Update Go toolchains to 1.17 in Actions workflows. (#7049)

This is intended to fix a test failure that occurs in the p2p state provider. The issue presents as the state provider timing out waiting for the consensus params response. 

The reason that this can occur is because the statesync reactor has the possibility of attempting to respond to the params request before the state provider is ready to read it. This results in the reactor hitting the `default` case seen here and then never sending on the channel. The stateprovider will then block waiting for a response and never receive one because the reactor opted not to send it.

.github/CODEOWNERS

@@ -7,4 +7,4 @@
 # global owners are only requested if there isn't a more specific
 # codeowner specified below. For this reason, the global codeowners
 # are often repeated in package-level definitions.
-*       @alexanderbez @ebuchman @cmwaters @tessr @tychoish @williambanfield @creachadair
+*      @ebuchman @cmwaters @tychoish @williambanfield @creachadair

.github/mergify.yml

@@ -6,7 +6,7 @@ pull_request_rules:
     actions:
       merge:
         method: squash
-        strict: true
+        strict: smart+fasttrack
         commit_message: title+body
   - name: backport patches to v0.34.x branch
     conditions:

.github/workflows/coverage.yml

@@ -4,7 +4,6 @@ on:
   push:
     paths:
       - "**.go"
-      - "!test/"
     branches:
       - master
       - release/**
@@ -47,7 +46,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.16"
+          go-version: "1.17"
       - uses: actions/checkout@v2.3.4
       - uses: technote-space/get-diff-action@v5
         with:
@@ -70,7 +69,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.16"
+          go-version: "1.17"
       - uses: actions/checkout@v2.3.4
       - uses: technote-space/get-diff-action@v5
         with:
@@ -86,10 +85,10 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: "1.17"
       - name: test & coverage report creation
         run: |
-          cat pkgs.txt.part.${{ matrix.part }} | xargs go test -mod=readonly -timeout 8m -race -coverprofile=${{ matrix.part }}profile.out -covermode=atomic
+          cat pkgs.txt.part.${{ matrix.part }} | xargs go test -mod=readonly -timeout 8m -race -coverprofile=${{ matrix.part }}profile.out
         if: env.GIT_DIFF
       - uses: actions/upload-artifact@v2
         with:
@@ -125,7 +124,7 @@ jobs:
           name: "${{ github.sha }}-03-coverage"
         if: env.GIT_DIFF
       - run: |
-          cat ./*profile.out | grep -v "mode: atomic" >> coverage.txt
+          cat ./*profile.out | grep -v "mode: set" >> coverage.txt
         if: env.GIT_DIFF
       - uses: codecov/codecov-action@v2.1.0
         with:

.github/workflows/e2e-nightly-34x.yml

@@ -17,13 +17,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        group: ['00', '01', '02', '03']
+        group: ['00', '01']
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: '1.16'
+          go-version: '1.17'
 
       - uses: actions/checkout@v2.3.4
         with:
@@ -37,7 +37,7 @@ jobs:
       - name: Generate testnets
         working-directory: test/e2e
         # When changing -g, also change the matrix groups above
-        run: ./build/generator -g 4 -d networks/nightly
+        run: ./build/generator -g 2 -d networks/nightly
 
       - name: Run testnets in group ${{ matrix.group }}
         working-directory: test/e2e

.github/workflows/e2e-nightly-master.yml

@@ -17,13 +17,13 @@ jobs:
       fail-fast: false
       matrix:
         p2p: ['legacy', 'new', 'hybrid']
-        group: ['00', '01']
+        group: ['00', '01', '02', '03']
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: '1.16'
+          go-version: '1.17'
 
       - uses: actions/checkout@v2.3.4
 
@@ -35,7 +35,7 @@ jobs:
       - name: Generate testnets
         working-directory: test/e2e
         # When changing -g, also change the matrix groups above
-        run: ./build/generator -g 2 -d networks/nightly/${{ matrix.p2p }} -p ${{ matrix.p2p }}
+        run: ./build/generator -g 4 -d networks/nightly/${{ matrix.p2p }} -p ${{ matrix.p2p }}
 
       - name: Run ${{ matrix.p2p }} p2p testnets in group ${{ matrix.group }}
         working-directory: test/e2e

.github/workflows/e2e.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: '1.16'
+          go-version: '1.17'
       - uses: actions/checkout@v2.3.4
       - uses: technote-space/get-diff-action@v5
         with:

.github/workflows/fuzz-nightly.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: '1.16'
+          go-version: '1.17'
 
       - uses: actions/checkout@v2.3.4
 

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
 
       - uses: actions/setup-go@v2
         with:
-          go-version: '1.16'
+          go-version: '1.17'
 
       - name: Build
         uses: goreleaser/goreleaser-action@v2

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.16"
+          go-version: "1.17"
       - uses: actions/checkout@v2.3.4
       - uses: technote-space/get-diff-action@v5
         with:
@@ -49,7 +49,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.16"
+          go-version: "1.17"
       - uses: actions/checkout@v2.3.4
       - uses: technote-space/get-diff-action@v5
         with:
@@ -80,7 +80,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.16"
+          go-version: "1.17"
       - uses: actions/checkout@v2.3.4
       - uses: technote-space/get-diff-action@v5
         with:

CHANGELOG.md

@@ -1,8 +1,30 @@
 # Changelog
 
-Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
+Friendly reminder: We have a [bug bounty program](https://hackerone.com/cosmos).
 
-## v0.35
+## v0.35.0-rc2
+
+September 27, 2021
+
+### BREAKING CHANGES
+
+- Go API
+
+  - [crypto/armor]: [\#6963](https://github.com/tendermint/tendermint/pull/6963) remove package which is unused, and based on
+    deprecated fundamentals. Downstream users should maintain this
+    library. (@tychoish)
+  - [state] [store] [proxy] [rpc/core]: [\#6937](https://github.com/tendermint/tendermint/pull/6937) move packages to
+    `internal` to prevent consumption of these internal APIs by
+    external users. (@tychoish)
+
+### FEATURES
+
+- [\#6982](https://github.com/tendermint/tendermint/pull/6982) tendermint binary has built-in suppport for running the e2e application (with state sync support) (@cmwaters).
+
+
+## v0.35.0-rc1
+
+September 8, 2021
 
 Special thanks to external contributors on this release: @JayT106, @bipulprasad, @alessio, @Yawning, @silasdavis,
 @cuonglm, @tanyabouman, @JoeKash, @githubsands, @jeebster, @crypto-facs, @liamsi, and @gotjoshua
@@ -10,151 +32,151 @@ Special thanks to external contributors on this release: @JayT106, @bipulprasad,
 ### BREAKING CHANGES
 
 - CLI/RPC/Config
-  - [pubsub/events] \#6634 The `ResultEvent.Events` field is now of type `[]abci.Event` preserving event order instead of `map[string][]string`. (@alexanderbez)
-  - [config] \#5598 The `test_fuzz` and `test_fuzz_config` P2P settings have been removed. (@erikgrinaker)
-  - [config] \#5728 `fastsync.version = "v1"` is no longer supported (@melekes)
-  - [cli] \#5772 `gen_node_key` prints JSON-encoded `NodeKey` rather than ID and does not save it to `node_key.json` (@melekes)
-  - [cli] \#5777 use hyphen-case instead of snake_case for all cli commands and config parameters (@cmwaters)
-  - [rpc] \#6019 standardise RPC errors and return the correct status code (@bipulprasad & @cmwaters)
-  - [rpc] \#6168 Change default sorting to desc for `/tx_search` results (@melekes)
-  - [cli] \#6282 User must specify the node mode when using `tendermint init` (@cmwaters)
-  - [state/indexer] \#6382 reconstruct indexer, move txindex into the indexer package (@JayT106)
-  - [cli] \#6372 Introduce `BootstrapPeers` as part of the new p2p stack. Peers to be connected on  startup (@cmwaters)
-  - [config] \#6462 Move `PrivValidator` configuration out of `BaseConfig` into its own section. (@tychoish)
-  - [rpc] \#6610 Add MaxPeerBlockHeight into /status rpc call (@JayT106)
-  - [blocksync/rpc] \#6620 Add TotalSyncedTime & RemainingTime to SyncInfo in /status RPC  (@JayT106)
-  - [rpc/grpc] \#6725 Mark gRPC in the RPC layer as deprecated.
-  - [blocksync/v2] \#6730 Fast Sync v2 is deprecated, please use v0
+  - [pubsub/events] [\#6634](https://github.com/tendermint/tendermint/pull/6634) The `ResultEvent.Events` field is now of type `[]abci.Event` preserving event order instead of `map[string][]string`. (@alexanderbez)
+  - [config] [\#5598](https://github.com/tendermint/tendermint/pull/5598) The `test_fuzz` and `test_fuzz_config` P2P settings have been removed. (@erikgrinaker)
+  - [config] [\#5728](https://github.com/tendermint/tendermint/pull/5728) `fastsync.version = "v1"` is no longer supported (@melekes)
+  - [cli] [\#5772](https://github.com/tendermint/tendermint/pull/5772) `gen_node_key` prints JSON-encoded `NodeKey` rather than ID and does not save it to `node_key.json` (@melekes)
+  - [cli] [\#5777](https://github.com/tendermint/tendermint/pull/5777) use hyphen-case instead of snake_case for all cli commands and config parameters (@cmwaters)
+  - [rpc] [\#6019](https://github.com/tendermint/tendermint/pull/6019) standardise RPC errors and return the correct status code (@bipulprasad & @cmwaters)
+  - [rpc] [\#6168](https://github.com/tendermint/tendermint/pull/6168) Change default sorting to desc for `/tx_search` results (@melekes)
+  - [cli] [\#6282](https://github.com/tendermint/tendermint/pull/6282) User must specify the node mode when using `tendermint init` (@cmwaters)
+  - [state/indexer] [\#6382](https://github.com/tendermint/tendermint/pull/6382) reconstruct indexer, move txindex into the indexer package (@JayT106)
+  - [cli] [\#6372](https://github.com/tendermint/tendermint/pull/6372) Introduce `BootstrapPeers` as part of the new p2p stack. Peers to be connected on  startup (@cmwaters)
+  - [config] [\#6462](https://github.com/tendermint/tendermint/pull/6462) Move `PrivValidator` configuration out of `BaseConfig` into its own section. (@tychoish)
+  - [rpc] [\#6610](https://github.com/tendermint/tendermint/pull/6610) Add MaxPeerBlockHeight into /status rpc call (@JayT106)
+  - [blocksync/rpc] [\#6620](https://github.com/tendermint/tendermint/pull/6620) Add TotalSyncedTime & RemainingTime to SyncInfo in /status RPC  (@JayT106)
+  - [rpc/grpc] [\#6725](https://github.com/tendermint/tendermint/pull/6725) Mark gRPC in the RPC layer as deprecated.
+  - [blocksync/v2] [\#6730](https://github.com/tendermint/tendermint/pull/6730) Fast Sync v2 is deprecated, please use v0
   - [rpc] Add genesis_chunked method to support paginated and parallel fetching of large genesis documents.
-  - [rpc/jsonrpc/server] \#6785 `Listen` function updated to take an `int` argument, `maxOpenConnections`, instead of an entire config object. (@williambanfield)
-  - [rpc] \#6820 Update RPC methods to reflect changes in the p2p layer, disabling support for `UnsafeDialPeers` and `UnsafeDialPeers` when used with the new p2p layer, and changing the response format of the peer list in `NetInfo` for all users.
-  - [cli] \#6854 Remove deprecated snake case commands. (@tychoish)
+  - [rpc/jsonrpc/server] [\#6785](https://github.com/tendermint/tendermint/pull/6785) `Listen` function updated to take an `int` argument, `maxOpenConnections`, instead of an entire config object. (@williambanfield)
+  - [rpc] [\#6820](https://github.com/tendermint/tendermint/pull/6820) Update RPC methods to reflect changes in the p2p layer, disabling support for `UnsafeDialPeers` and `UnsafeDialPeers` when used with the new p2p layer, and changing the response format of the peer list in `NetInfo` for all users.
+  - [cli] [\#6854](https://github.com/tendermint/tendermint/pull/6854) Remove deprecated snake case commands. (@tychoish)
 
 - Apps
-  - [ABCI] \#6408 Change the `key` and `value` fields from `[]byte` to `string` in the `EventAttribute` type. (@alexanderbez)
-  - [ABCI] \#5447 Remove `SetOption` method from `ABCI.Client` interface
-  - [ABCI] \#5447 Reset `Oneof` indexes for  `Request` and `Response`.
-  - [ABCI] \#5818 Use protoio for msg length delimitation. Migrates from int64 to uint64 length delimiters.
-  - [ABCI] \#3546 Add `mempool_error` field to `ResponseCheckTx`. This field will contain an error string if Tendermint encountered an error while adding a transaction to the mempool. (@williambanfield)
-  - [Version] \#6494 `TMCoreSemVer` has been renamed to `TMVersion`.
+  - [ABCI] [\#6408](https://github.com/tendermint/tendermint/pull/6408) Change the `key` and `value` fields from `[]byte` to `string` in the `EventAttribute` type. (@alexanderbez)
+  - [ABCI] [\#5447](https://github.com/tendermint/tendermint/pull/5447) Remove `SetOption` method from `ABCI.Client` interface
+  - [ABCI] [\#5447](https://github.com/tendermint/tendermint/pull/5447) Reset `Oneof` indexes for  `Request` and `Response`.
+  - [ABCI] [\#5818](https://github.com/tendermint/tendermint/pull/5818) Use protoio for msg length delimitation. Migrates from int64 to uint64 length delimiters.
+  - [ABCI] [\#3546](https://github.com/tendermint/tendermint/pull/3546) Add `mempool_error` field to `ResponseCheckTx`. This field will contain an error string if Tendermint encountered an error while adding a transaction to the mempool. (@williambanfield)
+  - [Version] [\#6494](https://github.com/tendermint/tendermint/pull/6494) `TMCoreSemVer` has been renamed to `TMVersion`.
 	- It is not required any longer to set ldflags to set version strings
-  - [abci/counter] \#6684 Delete counter example app
+  - [abci/counter] [\#6684](https://github.com/tendermint/tendermint/pull/6684) Delete counter example app
 
 - Go API
-  - [pubsub] \#6634 The `Query#Matches` method along with other pubsub methods, now accepts a `[]abci.Event` instead of `map[string][]string`. (@alexanderbez)
-  - [p2p] \#6618 \#6583 Move `p2p.NodeInfo`, `p2p.NodeID` and `p2p.NetAddress` into `types` to support use in external packages. (@tychoish)
-  - [node] \#6540 Reduce surface area of the `node` package by making most of the implementation details private. (@tychoish)
-  - [p2p] \#6547 Move the entire `p2p` package and all reactor implementations into `internal`.  (@tychoish)
-  - [libs/log] \#6534 Remove the existing custom Tendermint logger backed by go-kit. The logging interface, `Logger`, remains. Tendermint still provides a default logger backed by the performant zerolog logger. (@alexanderbez)
-  - [libs/time] \#6495 Move types/time to libs/time to improve consistency. (@tychoish)
-  - [mempool] \#6529 The `Context` field has been removed from the `TxInfo` type. `CheckTx` now requires a `Context` argument. (@alexanderbez)
-  - [abci/client, proxy] \#5673 `Async` funcs return an error, `Sync` and `Async` funcs accept `context.Context` (@melekes)
+  - [pubsub] [\#6634](https://github.com/tendermint/tendermint/pull/6634) The `Query#Matches` method along with other pubsub methods, now accepts a `[]abci.Event` instead of `map[string][]string`. (@alexanderbez)
+  - [p2p] [\#6618](https://github.com/tendermint/tendermint/pull/6618) [\#6583](https://github.com/tendermint/tendermint/pull/6583) Move `p2p.NodeInfo`, `p2p.NodeID` and `p2p.NetAddress` into `types` to support use in external packages. (@tychoish)
+  - [node] [\#6540](https://github.com/tendermint/tendermint/pull/6540) Reduce surface area of the `node` package by making most of the implementation details private. (@tychoish)
+  - [p2p] [\#6547](https://github.com/tendermint/tendermint/pull/6547) Move the entire `p2p` package and all reactor implementations into `internal`.  (@tychoish)
+  - [libs/log] [\#6534](https://github.com/tendermint/tendermint/pull/6534) Remove the existing custom Tendermint logger backed by go-kit. The logging interface, `Logger`, remains. Tendermint still provides a default logger backed by the performant zerolog logger. (@alexanderbez)
+  - [libs/time] [\#6495](https://github.com/tendermint/tendermint/pull/6495) Move types/time to libs/time to improve consistency. (@tychoish)
+  - [mempool] [\#6529](https://github.com/tendermint/tendermint/pull/6529) The `Context` field has been removed from the `TxInfo` type. `CheckTx` now requires a `Context` argument. (@alexanderbez)
+  - [abci/client, proxy] [\#5673](https://github.com/tendermint/tendermint/pull/5673) `Async` funcs return an error, `Sync` and `Async` funcs accept `context.Context` (@melekes)
   - [p2p] Remove unused function `MakePoWTarget`. (@erikgrinaker)
-  - [libs/bits] \#5720 Validate `BitArray` in `FromProto`, which now returns an error (@melekes)
+  - [libs/bits] [\#5720](https://github.com/tendermint/tendermint/pull/5720) Validate `BitArray` in `FromProto`, which now returns an error (@melekes)
   - [proto/p2p] Rename `DefaultNodeInfo` and `DefaultNodeInfoOther` to `NodeInfo` and `NodeInfoOther` (@erikgrinaker)
   - [proto/p2p] Rename `NodeInfo.default_node_id` to `node_id` (@erikgrinaker)
   - [libs/os] Kill() and {Must,}{Read,Write}File() functions have been removed. (@alessio)
-  - [store] \#5848 Remove block store state in favor of using the db iterators directly (@cmwaters)
-  - [state] \#5864 Use an iterator when pruning state (@cmwaters)
-  - [types] \#6023 Remove `tm2pb.Header`, `tm2pb.BlockID`, `tm2pb.PartSetHeader` and `tm2pb.NewValidatorUpdate`.
+  - [store] [\#5848](https://github.com/tendermint/tendermint/pull/5848) Remove block store state in favor of using the db iterators directly (@cmwaters)
+  - [state] [\#5864](https://github.com/tendermint/tendermint/pull/5864) Use an iterator when pruning state (@cmwaters)
+  - [types] [\#6023](https://github.com/tendermint/tendermint/pull/6023) Remove `tm2pb.Header`, `tm2pb.BlockID`, `tm2pb.PartSetHeader` and `tm2pb.NewValidatorUpdate`.
 	- Each of the above types has a `ToProto` and `FromProto` method or function which replaced this logic.
-  - [light] \#6054 Move `MaxRetryAttempt` option from client to provider.
+  - [light] [\#6054](https://github.com/tendermint/tendermint/pull/6054) Move `MaxRetryAttempt` option from client to provider.
 	- `NewWithOptions` now sets the max retry attempts and timeouts (@cmwaters)
-  - [all] \#6077 Change spelling from British English to American (@cmwaters)
+  - [all] [\#6077](https://github.com/tendermint/tendermint/pull/6077) Change spelling from British English to American (@cmwaters)
 	- Rename "Subscription.Cancelled()" to "Subscription.Canceled()" in libs/pubsub
 	- Rename "behaviour" pkg to "behavior" and internalized it in blocksync v2
-  - [rpc/client/http] \#6176 Remove `endpoint` arg from `New`, `NewWithTimeout` and `NewWithClient` (@melekes)
-  - [rpc/client/http] \#6176 Unexpose `WSEvents` (@melekes)
-  - [rpc/jsonrpc/client/ws_client] \#6176 `NewWS` no longer accepts options (use `NewWSWithOptions` and `OnReconnect` funcs to configure the client) (@melekes)
-  - [internal/libs] \#6366 Move `autofile`, `clist`,`fail`,`flowrate`, `protoio`, `sync`, `tempfile`, `test` and `timer` lib packages to an internal folder
-  - [libs/rand] \#6364 Remove most of libs/rand in favour of standard lib's `math/rand` (@liamsi)
-  - [mempool] \#6466 The original mempool reactor has been versioned as `v0` and moved to a sub-package under the root `mempool` package.
+  - [rpc/client/http] [\#6176](https://github.com/tendermint/tendermint/pull/6176) Remove `endpoint` arg from `New`, `NewWithTimeout` and `NewWithClient` (@melekes)
+  - [rpc/client/http] [\#6176](https://github.com/tendermint/tendermint/pull/6176) Unexpose `WSEvents` (@melekes)
+  - [rpc/jsonrpc/client/ws_client] [\#6176](https://github.com/tendermint/tendermint/pull/6176) `NewWS` no longer accepts options (use `NewWSWithOptions` and `OnReconnect` funcs to configure the client) (@melekes)
+  - [internal/libs] [\#6366](https://github.com/tendermint/tendermint/pull/6366) Move `autofile`, `clist`,`fail`,`flowrate`, `protoio`, `sync`, `tempfile`, `test` and `timer` lib packages to an internal folder
+  - [libs/rand] [\#6364](https://github.com/tendermint/tendermint/pull/6364) Remove most of libs/rand in favour of standard lib's `math/rand` (@liamsi)
+  - [mempool] [\#6466](https://github.com/tendermint/tendermint/pull/6466) The original mempool reactor has been versioned as `v0` and moved to a sub-package under the root `mempool` package.
 	Some core types have been kept in the `mempool` package such as `TxCache` and it's implementations, the `Mempool` interface itself
 	and `TxInfo`. (@alexanderbez)
-  - [crypto/sr25519] \#6526 Do not re-execute the Ed25519-style key derivation step when doing signing and verification.  The derivation is now done once and only once.  This breaks `sr25519.GenPrivKeyFromSecret` output compatibility. (@Yawning)
-  - [types] \#6627 Move `NodeKey` to types to make the type public.
-  - [config] \#6627 Extend `config` to contain methods `LoadNodeKeyID` and `LoadorGenNodeKeyID`
-  - [blocksync] \#6755 Rename `FastSync` and `Blockchain` package to `BlockSync` (@cmwaters)
+  - [crypto/sr25519] [\#6526](https://github.com/tendermint/tendermint/pull/6526) Do not re-execute the Ed25519-style key derivation step when doing signing and verification.  The derivation is now done once and only once.  This breaks `sr25519.GenPrivKeyFromSecret` output compatibility. (@Yawning)
+  - [types] [\#6627](https://github.com/tendermint/tendermint/pull/6627) Move `NodeKey` to types to make the type public.
+  - [config] [\#6627](https://github.com/tendermint/tendermint/pull/6627) Extend `config` to contain methods `LoadNodeKeyID` and `LoadorGenNodeKeyID`
+  - [blocksync] [\#6755](https://github.com/tendermint/tendermint/pull/6755) Rename `FastSync` and `Blockchain` package to `BlockSync` (@cmwaters)
 
 - Data Storage
-  - [store/state/evidence/light] \#5771 Use an order-preserving varint key encoding (@cmwaters)
-  - [mempool] \#6396 Remove mempool's write ahead log (WAL), (previously unused by the tendermint code). (@tychoish)
-  - [state] \#6541 Move pruneBlocks from consensus/state to state/execution. (@JayT106)
+  - [store/state/evidence/light] [\#5771](https://github.com/tendermint/tendermint/pull/5771) Use an order-preserving varint key encoding (@cmwaters)
+  - [mempool] [\#6396](https://github.com/tendermint/tendermint/pull/6396) Remove mempool's write ahead log (WAL), (previously unused by the tendermint code). (@tychoish)
+  - [state] [\#6541](https://github.com/tendermint/tendermint/pull/6541) Move pruneBlocks from consensus/state to state/execution. (@JayT106)
 
 - Tooling
-  - [tools] \#6498 Set OS home dir to instead of the hardcoded PATH. (@JayT106)
-  - [cli/indexer] \#6676 Reindex events command line tooling. (@JayT106)
+  - [tools] [\#6498](https://github.com/tendermint/tendermint/pull/6498) Set OS home dir to instead of the hardcoded PATH. (@JayT106)
+  - [cli/indexer] [\#6676](https://github.com/tendermint/tendermint/pull/6676) Reindex events command line tooling. (@JayT106)
 
 ### FEATURES
 
 - [config] Add `--mode` flag and config variable. See [ADR-52](https://github.com/tendermint/tendermint/blob/master/docs/architecture/adr-052-tendermint-mode.md) @dongsam
-- [rpc] \#6329 Don't cap page size in unsafe mode (@gotjoshua, @cmwaters)
-- [pex] \#6305 v2 pex reactor with backwards compatability. Introduces two new pex messages to
+- [rpc] [\#6329](https://github.com/tendermint/tendermint/pull/6329) Don't cap page size in unsafe mode (@gotjoshua, @cmwaters)
+- [pex] [\#6305](https://github.com/tendermint/tendermint/pull/6305) v2 pex reactor with backwards compatability. Introduces two new pex messages to
   accomodate for the new p2p stack. Removes the notion of seeds and crawling. All peer
   exchange reactors behave the same. (@cmwaters)
-- [crypto] \#6376 Enable sr25519 as a validator key type
-- [mempool] \#6466 Introduction of a prioritized mempool. (@alexanderbez)
+- [crypto] [\#6376](https://github.com/tendermint/tendermint/pull/6376) Enable sr25519 as a validator key type
+- [mempool] [\#6466](https://github.com/tendermint/tendermint/pull/6466) Introduction of a prioritized mempool. (@alexanderbez)
   - `Priority` and `Sender` have been introduced into the `ResponseCheckTx` type, where the `priority` will determine the prioritization of
   the transaction when a proposer reaps transactions for a block proposal. The `sender` field acts as an index.
   - Operators may toggle between the legacy mempool reactor, `v0`, and the new prioritized reactor, `v1`, by setting the
   `mempool.version` configuration, where `v1` is the default configuration.
   - Applications that do not specify a priority, i.e. zero, will have transactions reaped by the order in which they are received by the node.
   - Transactions are gossiped in FIFO order as they are in `v0`.
-- [config/indexer] \#6411 Introduce support for custom event indexing data sources, specifically PostgreSQL. (@JayT106)
-- [blocksync/event] \#6619 Emit blocksync status event when switching consensus/blocksync (@JayT106)
-- [statesync/event] \#6700 Emit statesync status start/end event (@JayT106)
-- [inspect] \#6785 Add a new `inspect` command for introspecting the state and block store of a crashed tendermint node. (@williambanfield)
+- [config/indexer] [\#6411](https://github.com/tendermint/tendermint/pull/6411) Introduce support for custom event indexing data sources, specifically PostgreSQL. (@JayT106)
+- [blocksync/event] [\#6619](https://github.com/tendermint/tendermint/pull/6619) Emit blocksync status event when switching consensus/blocksync (@JayT106)
+- [statesync/event] [\#6700](https://github.com/tendermint/tendermint/pull/6700) Emit statesync status start/end event (@JayT106)
+- [inspect] [\#6785](https://github.com/tendermint/tendermint/pull/6785) Add a new `inspect` command for introspecting the state and block store of a crashed tendermint node. (@williambanfield)
 
 ### IMPROVEMENTS
 
-- [libs/log] Console log formatting changes as a result of \#6534 and \#6589. (@tychoish)
-- [statesync] \#6566 Allow state sync fetchers and request timeout to be configurable. (@alexanderbez)
-- [types] \#6478 Add `block_id` to `newblock` event (@jeebster)
-- [crypto/ed25519] \#5632 Adopt zip215 `ed25519` verification. (@marbar3778)
-- [crypto/ed25519] \#6526 Use [curve25519-voi](https://github.com/oasisprotocol/curve25519-voi) for `ed25519` signing and verification. (@Yawning)
-- [crypto/sr25519] \#6526 Use [curve25519-voi](https://github.com/oasisprotocol/curve25519-voi) for `sr25519` signing and verification. (@Yawning)
-- [privval] \#5603 Add `--key` to `init`, `gen_validator`, `testnet` & `unsafe_reset_priv_validator` for use in generating `secp256k1` keys.
-- [privval] \#5725 Add gRPC support to private validator.
-- [privval] \#5876 `tendermint show-validator` will query the remote signer if gRPC is being used (@marbar3778)
-- [abci/client] \#5673 `Async` requests return an error if queue is full (@melekes)
-- [mempool] \#5673 Cancel `CheckTx` requests if RPC client disconnects or times out (@melekes)
-- [abci] \#5706 Added `AbciVersion` to `RequestInfo` allowing applications to check ABCI version when connecting to Tendermint. (@marbar3778)
-- [blocksync/v1] \#5728 Remove blocksync v1 (@melekes)
-- [blocksync/v0] \#5741 Relax termination conditions and increase sync timeout (@melekes)
-- [cli] \#5772 `gen_node_key` output now contains node ID (`id` field) (@melekes)
-- [blocksync/v2] \#5774 Send status request when new peer joins (@melekes)
-- [store] \#5888 store.SaveBlock saves using batches instead of transactions for now to improve ACID properties. This is a quick fix for underlying issues around tm-db and ACID guarantees. (@githubsands)
-- [consensus] \#5987 and \#5792 Remove the `time_iota_ms` consensus parameter. Merge `tmproto.ConsensusParams` and `abci.ConsensusParams`. (@marbar3778, @valardragon)
-- [types] \#5994 Reduce the use of protobuf types in core logic. (@marbar3778)
+- [libs/log] Console log formatting changes as a result of [\#6534](https://github.com/tendermint/tendermint/pull/6534) and [\#6589](https://github.com/tendermint/tendermint/pull/6589). (@tychoish)
+- [statesync] [\#6566](https://github.com/tendermint/tendermint/pull/6566) Allow state sync fetchers and request timeout to be configurable. (@alexanderbez)
+- [types] [\#6478](https://github.com/tendermint/tendermint/pull/6478) Add `block_id` to `newblock` event (@jeebster)
+- [crypto/ed25519] [\#5632](https://github.com/tendermint/tendermint/pull/5632) Adopt zip215 `ed25519` verification. (@marbar3778)
+- [crypto/ed25519] [\#6526](https://github.com/tendermint/tendermint/pull/6526) Use [curve25519-voi](https://github.com/oasisprotocol/curve25519-voi) for `ed25519` signing and verification. (@Yawning)
+- [crypto/sr25519] [\#6526](https://github.com/tendermint/tendermint/pull/6526) Use [curve25519-voi](https://github.com/oasisprotocol/curve25519-voi) for `sr25519` signing and verification. (@Yawning)
+- [privval] [\#5603](https://github.com/tendermint/tendermint/pull/5603) Add `--key` to `init`, `gen_validator`, `testnet` & `unsafe_reset_priv_validator` for use in generating `secp256k1` keys.
+- [privval] [\#5725](https://github.com/tendermint/tendermint/pull/5725) Add gRPC support to private validator.
+- [privval] [\#5876](https://github.com/tendermint/tendermint/pull/5876) `tendermint show-validator` will query the remote signer if gRPC is being used (@marbar3778)
+- [abci/client] [\#5673](https://github.com/tendermint/tendermint/pull/5673) `Async` requests return an error if queue is full (@melekes)
+- [mempool] [\#5673](https://github.com/tendermint/tendermint/pull/5673) Cancel `CheckTx` requests if RPC client disconnects or times out (@melekes)
+- [abci] [\#5706](https://github.com/tendermint/tendermint/pull/5706) Added `AbciVersion` to `RequestInfo` allowing applications to check ABCI version when connecting to Tendermint. (@marbar3778)
+- [blocksync/v1] [\#5728](https://github.com/tendermint/tendermint/pull/5728) Remove blocksync v1 (@melekes)
+- [blocksync/v0] [\#5741](https://github.com/tendermint/tendermint/pull/5741) Relax termination conditions and increase sync timeout (@melekes)
+- [cli] [\#5772](https://github.com/tendermint/tendermint/pull/5772) `gen_node_key` output now contains node ID (`id` field) (@melekes)
+- [blocksync/v2] [\#5774](https://github.com/tendermint/tendermint/pull/5774) Send status request when new peer joins (@melekes)
+- [store] [\#5888](https://github.com/tendermint/tendermint/pull/5888) store.SaveBlock saves using batches instead of transactions for now to improve ACID properties. This is a quick fix for underlying issues around tm-db and ACID guarantees. (@githubsands)
+- [consensus] [\#5987](https://github.com/tendermint/tendermint/pull/5987) and [\#5792](https://github.com/tendermint/tendermint/pull/5792) Remove the `time_iota_ms` consensus parameter. Merge `tmproto.ConsensusParams` and `abci.ConsensusParams`. (@marbar3778, @valardragon)
+- [types] [\#5994](https://github.com/tendermint/tendermint/pull/5994) Reduce the use of protobuf types in core logic. (@marbar3778)
   - `ConsensusParams`, `BlockParams`, `ValidatorParams`, `EvidenceParams`, `VersionParams`, `sm.Version` and `version.Consensus` have become native types. They still utilize protobuf when being sent over the wire or written to disk.
-- [rpc/client/http] \#6163 Do not drop events even if the `out` channel is full (@melekes)
-- [node] \#6059 Validate and complete genesis doc before saving to state store (@silasdavis)
-- [state] \#6067 Batch save state data (@githubsands & @cmwaters)
-- [crypto] \#6120 Implement batch verification interface for ed25519 and sr25519. (@marbar3778)
-- [types] \#6120 use batch verification for verifying commits signatures.
+- [rpc/client/http] [\#6163](https://github.com/tendermint/tendermint/pull/6163) Do not drop events even if the `out` channel is full (@melekes)
+- [node] [\#6059](https://github.com/tendermint/tendermint/pull/6059) Validate and complete genesis doc before saving to state store (@silasdavis)
+- [state] [\#6067](https://github.com/tendermint/tendermint/pull/6067) Batch save state data (@githubsands & @cmwaters)
+- [crypto] [\#6120](https://github.com/tendermint/tendermint/pull/6120) Implement batch verification interface for ed25519 and sr25519. (@marbar3778)
+- [types] [\#6120](https://github.com/tendermint/tendermint/pull/6120) use batch verification for verifying commits signatures.
   - If the key type supports the batch verification API it will try to batch verify. If the verification fails we will single verify each signature.
-- [privval/file] \#6185 Return error on `LoadFilePV`, `LoadFilePVEmptyState`. Allows for better programmatic control of Tendermint.
-- [privval] \#6240 Add `context.Context` to privval interface.
-- [rpc] \#6265 set cache control in http-rpc response header (@JayT106)
-- [statesync] \#6378 Retry requests for snapshots and add a minimum discovery time (5s) for new snapshots.
-- [node/state] \#6370 graceful shutdown in the consensus reactor (@JayT106)
-- [crypto/merkle] \#6443 Improve HashAlternatives performance (@cuonglm)
-- [crypto/merkle] \#6513 Optimize HashAlternatives (@marbar3778)
-- [p2p/pex] \#6509 Improve addrBook.hash performance (@cuonglm)
-- [consensus/metrics] \#6549 Change block_size gauge to a histogram for better observability over time (@marbar3778)
-- [statesync] \#6587 Increase chunk priority and re-request chunks that don't arrive (@cmwaters)
-- [state/privval] \#6578 No GetPubKey retry beyond the proposal/voting window (@JayT106)
-- [rpc] \#6615 Add TotalGasUsed to block_results response (@crypto-facs)
-- [cmd/tendermint/commands] \#6623 replace `$HOME/.some/test/dir` with `t.TempDir` (@tanyabouman)
+- [privval/file] [\#6185](https://github.com/tendermint/tendermint/pull/6185) Return error on `LoadFilePV`, `LoadFilePVEmptyState`. Allows for better programmatic control of Tendermint.
+- [privval] [\#6240](https://github.com/tendermint/tendermint/pull/6240) Add `context.Context` to privval interface.
+- [rpc] [\#6265](https://github.com/tendermint/tendermint/pull/6265) set cache control in http-rpc response header (@JayT106)
+- [statesync] [\#6378](https://github.com/tendermint/tendermint/pull/6378) Retry requests for snapshots and add a minimum discovery time (5s) for new snapshots.
+- [node/state] [\#6370](https://github.com/tendermint/tendermint/pull/6370) graceful shutdown in the consensus reactor (@JayT106)
+- [crypto/merkle] [\#6443](https://github.com/tendermint/tendermint/pull/6443) Improve HashAlternatives performance (@cuonglm)
+- [crypto/merkle] [\#6513](https://github.com/tendermint/tendermint/pull/6513) Optimize HashAlternatives (@marbar3778)
+- [p2p/pex] [\#6509](https://github.com/tendermint/tendermint/pull/6509) Improve addrBook.hash performance (@cuonglm)
+- [consensus/metrics] [\#6549](https://github.com/tendermint/tendermint/pull/6549) Change block_size gauge to a histogram for better observability over time (@marbar3778)
+- [statesync] [\#6587](https://github.com/tendermint/tendermint/pull/6587) Increase chunk priority and re-request chunks that don't arrive (@cmwaters)
+- [state/privval] [\#6578](https://github.com/tendermint/tendermint/pull/6578) No GetPubKey retry beyond the proposal/voting window (@JayT106)
+- [rpc] [\#6615](https://github.com/tendermint/tendermint/pull/6615) Add TotalGasUsed to block_results response (@crypto-facs)
+- [cmd/tendermint/commands] [\#6623](https://github.com/tendermint/tendermint/pull/6623) replace `$HOME/.some/test/dir` with `t.TempDir` (@tanyabouman)
 - [statesync] \6807 Implement P2P state provider as an alternative to RPC (@cmwaters)
 
 ### BUG FIXES
 
-- [privval] \#5638 Increase read/write timeout to 5s and calculate ping interval based on it (@JoeKash)
-- [evidence] \#6375 Fix bug with inconsistent LightClientAttackEvidence hashing (cmwaters)
-- [rpc] \#6507 Ensure RPC client can handle URLs without ports (@JayT106)
-- [statesync] \#6463 Adds Reverse Sync feature to fetch historical light blocks after state sync in order to verify any evidence (@cmwaters)
-- [blocksync] \#6590 Update the metrics during blocksync (@JayT106)
+- [privval] [\#5638](https://github.com/tendermint/tendermint/pull/5638) Increase read/write timeout to 5s and calculate ping interval based on it (@JoeKash)
+- [evidence] [\#6375](https://github.com/tendermint/tendermint/pull/6375) Fix bug with inconsistent LightClientAttackEvidence hashing (cmwaters)
+- [rpc] [\#6507](https://github.com/tendermint/tendermint/pull/6507) Ensure RPC client can handle URLs without ports (@JayT106)
+- [statesync] [\#6463](https://github.com/tendermint/tendermint/pull/6463) Adds Reverse Sync feature to fetch historical light blocks after state sync in order to verify any evidence (@cmwaters)
+- [blocksync] [\#6590](https://github.com/tendermint/tendermint/pull/6590) Update the metrics during blocksync (@JayT106)
 
 ## v0.34.13
 

CHANGELOG_PENDING.md

@@ -1,10 +1,12 @@
 # Unreleased Changes
 
+Friendly reminder: We have a [bug bounty program](https://hackerone.com/cosmos).
+
 ## vX.X
 
-Special thanks to external contributors on this release:
+Month, DD, YYYY
 
-Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
+Special thanks to external contributors on this release:
 
 ### BREAKING CHANGES
 
@@ -23,4 +25,3 @@ Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermi
 ### IMPROVEMENTS
 
 ### BUG FIXES
-

CONTRIBUTING.md

@@ -249,6 +249,7 @@ The author of the original pull request is responsible for solving the conflicts
 merging the pull request.
 
 #### Creating a backport branch
+
 If this is the first release candidate for a major release, you get to have the honor of creating
 the backport branch!
 
@@ -334,6 +335,14 @@ If there were no release candidates, begin by creating a backport branch, as des
    - `git tag -a v0.35.0 -m 'Release v0.35.0'`
    - `git push origin v0.35.0`
 7. Make sure that `master` is updated with the latest `CHANGELOG.md`, `CHANGELOG_PENDING.md`, and `UPGRADING.md`.
+8. Add the release to the documentation site generator config (see
+   [DOCS_README.md](./docs/DOCS_README.md) for more details). In summary:
+   - Start on branch `master`.
+   - Add a new line at the bottom of [`docs/versions`](./docs/versions) to
+     ensure the newest release is the default for the landing page.
+   - Add a new entry to `themeConfig.versions` in
+     [`docs/.vuepress/config.js`](./docs/.vuepress/config.js) to include the
+	 release in the dropdown versions menu.
 
 #### Minor release (point releases)
 

Makefile

@@ -131,11 +131,11 @@ generate_test_cert:
 	# generate server cerificate
 	@certstrap request-cert -cn server -ip 127.0.0.1
 	# self-sign server cerificate with rootCA
-	@certstrap sign server --CA "root CA" 
+	@certstrap sign server --CA "root CA"
 	# generate client cerificate
 	@certstrap request-cert -cn client -ip 127.0.0.1
 	# self-sign client cerificate with rootCA
-	@certstrap sign client --CA "root CA" 
+	@certstrap sign client --CA "root CA"
 .PHONY: generate_test_cert
 
 ###############################################################################
@@ -214,7 +214,7 @@ DESTINATION = ./index.html.md
 build-docs:
 	@cd docs && \
 	while read -r branch path_prefix; do \
-		(git checkout $${branch} && npm install && VUEPRESS_BASE="/$${path_prefix}/" npm run build) ; \
+		(git checkout $${branch} && npm ci && VUEPRESS_BASE="/$${path_prefix}/" npm run build) ; \
 		mkdir -p ~/output/$${path_prefix} ; \
 		cp -r .vuepress/dist/* ~/output/$${path_prefix}/ ; \
 		cp ~/output/$${path_prefix}/index.html ~/output ; \

README.md

@@ -9,7 +9,7 @@ Or [Blockchain](<https://en.wikipedia.org/wiki/Blockchain_(database)>), for shor
 [![version](https://img.shields.io/github/tag/tendermint/tendermint.svg)](https://github.com/tendermint/tendermint/releases/latest)
 [![API Reference](https://camo.githubusercontent.com/915b7be44ada53c290eb157634330494ebe3e30a/68747470733a2f2f676f646f632e6f72672f6769746875622e636f6d2f676f6c616e672f6764646f3f7374617475732e737667)](https://pkg.go.dev/github.com/tendermint/tendermint)
 [![Go version](https://img.shields.io/badge/go-1.16-blue.svg)](https://github.com/moovweb/gvm)
-[![Discord chat](https://img.shields.io/discord/669268347736686612.svg)](https://discord.gg/vcExX9T)
+[![Discord chat](https://img.shields.io/discord/669268347736686612.svg)](https://discord.gg/cosmosnetwork)
 [![license](https://img.shields.io/github/license/tendermint/tendermint.svg)](https://github.com/tendermint/tendermint/blob/master/LICENSE)
 [![tendermint/tendermint](https://tokei.rs/b1/github/tendermint/tendermint?category=lines)](https://github.com/tendermint/tendermint)
 [![Sourcegraph](https://sourcegraph.com/github.com/tendermint/tendermint/-/badge.svg)](https://sourcegraph.com/github.com/tendermint/tendermint?badge)
@@ -33,7 +33,7 @@ Tendermint has been in the production of private and public environments, most n
 See below for more details about [versioning](#versioning).
 
 In any case, if you intend to run Tendermint in production, we're happy to help. You can
-contact us [over email](mailto:hello@interchain.berlin) or [join the chat](https://discord.gg/vcExX9T).
+contact us [over email](mailto:hello@interchain.berlin) or [join the chat](https://discord.gg/cosmosnetwork).
 
 ## Security
 

abci/client/client.go

@@ -1,4 +1,4 @@
-package abcicli
+package abciclient
 
 import (
 	"context"

abci/client/creators.go

@@ -0,0 +1,35 @@
+package abciclient
+
+import (
+	"fmt"
+
+	"github.com/tendermint/tendermint/abci/types"
+	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
+)
+
+// Creator creates new ABCI clients.
+type Creator func() (Client, error)
+
+// NewLocalCreator returns a Creator for the given app,
+// which will be running locally.
+func NewLocalCreator(app types.Application) Creator {
+	mtx := new(tmsync.RWMutex)
+
+	return func() (Client, error) {
+		return NewLocalClient(mtx, app), nil
+	}
+}
+
+// NewRemoteCreator returns a Creator for the given address (e.g.
+// "192.168.0.1") and transport (e.g. "tcp"). Set mustConnect to true if you
+// want the client to connect before reporting success.
+func NewRemoteCreator(addr, transport string, mustConnect bool) Creator {
+	return func() (Client, error) {
+		remoteApp, err := NewClient(addr, transport, mustConnect)
+		if err != nil {
+			return nil, fmt.Errorf("failed to connect to proxy: %w", err)
+		}
+
+		return remoteApp, nil
+	}
+}

abci/client/doc.go

@@ -1,4 +1,4 @@
-// Package abcicli provides an ABCI implementation in Go.
+// Package abciclient provides an ABCI implementation in Go.
 //
 // There are 3 clients available:
 //		1. socket (unix or TCP)
@@ -26,4 +26,4 @@
 //
 // sync: waits for all Async calls to complete (essentially what Flush does in
 // the socket client) and calls Sync method.
-package abcicli
+package abciclient

abci/client/grpc_client.go

@@ -1,4 +1,4 @@
-package abcicli
+package abciclient
 
 import (
 	"context"

abci/client/local_client.go

@@ -1,4 +1,4 @@
-package abcicli
+package abciclient
 
 import (
 	"context"

abci/client/mocks/client.go

@@ -5,7 +5,7 @@ package mocks
 import (
 	context "context"
 
-	abcicli "github.com/tendermint/tendermint/abci/client"
+	abciclient "github.com/tendermint/tendermint/abci/client"
 
 	log "github.com/tendermint/tendermint/libs/log"
 
@@ -20,15 +20,15 @@ type Client struct {
 }
 
 // ApplySnapshotChunkAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) ApplySnapshotChunkAsync(_a0 context.Context, _a1 types.RequestApplySnapshotChunk) (*abcicli.ReqRes, error) {
+func (_m *Client) ApplySnapshotChunkAsync(_a0 context.Context, _a1 types.RequestApplySnapshotChunk) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestApplySnapshotChunk) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestApplySnapshotChunk) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -66,15 +66,15 @@ func (_m *Client) ApplySnapshotChunkSync(_a0 context.Context, _a1 types.RequestA
 }
 
 // BeginBlockAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) BeginBlockAsync(_a0 context.Context, _a1 types.RequestBeginBlock) (*abcicli.ReqRes, error) {
+func (_m *Client) BeginBlockAsync(_a0 context.Context, _a1 types.RequestBeginBlock) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestBeginBlock) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestBeginBlock) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -112,15 +112,15 @@ func (_m *Client) BeginBlockSync(_a0 context.Context, _a1 types.RequestBeginBloc
 }
 
 // CheckTxAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) CheckTxAsync(_a0 context.Context, _a1 types.RequestCheckTx) (*abcicli.ReqRes, error) {
+func (_m *Client) CheckTxAsync(_a0 context.Context, _a1 types.RequestCheckTx) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestCheckTx) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestCheckTx) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -158,15 +158,15 @@ func (_m *Client) CheckTxSync(_a0 context.Context, _a1 types.RequestCheckTx) (*t
 }
 
 // CommitAsync provides a mock function with given fields: _a0
-func (_m *Client) CommitAsync(_a0 context.Context) (*abcicli.ReqRes, error) {
+func (_m *Client) CommitAsync(_a0 context.Context) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context) *abciclient.ReqRes); ok {
 		r0 = rf(_a0)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -204,15 +204,15 @@ func (_m *Client) CommitSync(_a0 context.Context) (*types.ResponseCommit, error)
 }
 
 // DeliverTxAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) DeliverTxAsync(_a0 context.Context, _a1 types.RequestDeliverTx) (*abcicli.ReqRes, error) {
+func (_m *Client) DeliverTxAsync(_a0 context.Context, _a1 types.RequestDeliverTx) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestDeliverTx) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestDeliverTx) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -250,15 +250,15 @@ func (_m *Client) DeliverTxSync(_a0 context.Context, _a1 types.RequestDeliverTx)
 }
 
 // EchoAsync provides a mock function with given fields: ctx, msg
-func (_m *Client) EchoAsync(ctx context.Context, msg string) (*abcicli.ReqRes, error) {
+func (_m *Client) EchoAsync(ctx context.Context, msg string) (*abciclient.ReqRes, error) {
 	ret := _m.Called(ctx, msg)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, string) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, string) *abciclient.ReqRes); ok {
 		r0 = rf(ctx, msg)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -296,15 +296,15 @@ func (_m *Client) EchoSync(ctx context.Context, msg string) (*types.ResponseEcho
 }
 
 // EndBlockAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) EndBlockAsync(_a0 context.Context, _a1 types.RequestEndBlock) (*abcicli.ReqRes, error) {
+func (_m *Client) EndBlockAsync(_a0 context.Context, _a1 types.RequestEndBlock) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestEndBlock) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestEndBlock) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -356,15 +356,15 @@ func (_m *Client) Error() error {
 }
 
 // FlushAsync provides a mock function with given fields: _a0
-func (_m *Client) FlushAsync(_a0 context.Context) (*abcicli.ReqRes, error) {
+func (_m *Client) FlushAsync(_a0 context.Context) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context) *abciclient.ReqRes); ok {
 		r0 = rf(_a0)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -393,15 +393,15 @@ func (_m *Client) FlushSync(_a0 context.Context) error {
 }
 
 // InfoAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) InfoAsync(_a0 context.Context, _a1 types.RequestInfo) (*abcicli.ReqRes, error) {
+func (_m *Client) InfoAsync(_a0 context.Context, _a1 types.RequestInfo) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestInfo) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestInfo) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -439,15 +439,15 @@ func (_m *Client) InfoSync(_a0 context.Context, _a1 types.RequestInfo) (*types.R
 }
 
 // InitChainAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) InitChainAsync(_a0 context.Context, _a1 types.RequestInitChain) (*abcicli.ReqRes, error) {
+func (_m *Client) InitChainAsync(_a0 context.Context, _a1 types.RequestInitChain) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestInitChain) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestInitChain) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -499,15 +499,15 @@ func (_m *Client) IsRunning() bool {
 }
 
 // ListSnapshotsAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) ListSnapshotsAsync(_a0 context.Context, _a1 types.RequestListSnapshots) (*abcicli.ReqRes, error) {
+func (_m *Client) ListSnapshotsAsync(_a0 context.Context, _a1 types.RequestListSnapshots) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestListSnapshots) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestListSnapshots) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -545,15 +545,15 @@ func (_m *Client) ListSnapshotsSync(_a0 context.Context, _a1 types.RequestListSn
 }
 
 // LoadSnapshotChunkAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) LoadSnapshotChunkAsync(_a0 context.Context, _a1 types.RequestLoadSnapshotChunk) (*abcicli.ReqRes, error) {
+func (_m *Client) LoadSnapshotChunkAsync(_a0 context.Context, _a1 types.RequestLoadSnapshotChunk) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestLoadSnapshotChunk) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestLoadSnapshotChunk) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -591,15 +591,15 @@ func (_m *Client) LoadSnapshotChunkSync(_a0 context.Context, _a1 types.RequestLo
 }
 
 // OfferSnapshotAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) OfferSnapshotAsync(_a0 context.Context, _a1 types.RequestOfferSnapshot) (*abcicli.ReqRes, error) {
+func (_m *Client) OfferSnapshotAsync(_a0 context.Context, _a1 types.RequestOfferSnapshot) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestOfferSnapshot) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestOfferSnapshot) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -670,15 +670,15 @@ func (_m *Client) OnStop() {
 }
 
 // QueryAsync provides a mock function with given fields: _a0, _a1
-func (_m *Client) QueryAsync(_a0 context.Context, _a1 types.RequestQuery) (*abcicli.ReqRes, error) {
+func (_m *Client) QueryAsync(_a0 context.Context, _a1 types.RequestQuery) (*abciclient.ReqRes, error) {
 	ret := _m.Called(_a0, _a1)
 
-	var r0 *abcicli.ReqRes
-	if rf, ok := ret.Get(0).(func(context.Context, types.RequestQuery) *abcicli.ReqRes); ok {
+	var r0 *abciclient.ReqRes
+	if rf, ok := ret.Get(0).(func(context.Context, types.RequestQuery) *abciclient.ReqRes); ok {
 		r0 = rf(_a0, _a1)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*abcicli.ReqRes)
+			r0 = ret.Get(0).(*abciclient.ReqRes)
 		}
 	}
 
@@ -751,7 +751,7 @@ func (_m *Client) SetLogger(_a0 log.Logger) {
 }
 
 // SetResponseCallback provides a mock function with given fields: _a0
-func (_m *Client) SetResponseCallback(_a0 abcicli.Callback) {
+func (_m *Client) SetResponseCallback(_a0 abciclient.Callback) {
 	_m.Called(_a0)
 }
 

abci/client/socket_client.go

@@ -1,4 +1,4 @@
-package abcicli
+package abciclient
 
 import (
 	"bufio"
@@ -13,7 +13,6 @@ import (
 
 	"github.com/tendermint/tendermint/abci/types"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
-	"github.com/tendermint/tendermint/internal/libs/timer"
 	tmnet "github.com/tendermint/tendermint/libs/net"
 	"github.com/tendermint/tendermint/libs/service"
 )
@@ -22,8 +21,6 @@ const (
 	// reqQueueSize is the max number of queued async requests.
 	// (memory: 256MB max assuming 1MB transactions)
 	reqQueueSize = 256
-	// Don't wait longer than...
-	flushThrottleMS = 20
 )
 
 type reqResWithContext struct {
@@ -40,8 +37,7 @@ type socketClient struct {
 	mustConnect bool
 	conn        net.Conn
 
-	reqQueue   chan *reqResWithContext
-	flushTimer *timer.ThrottleTimer
+	reqQueue chan *reqResWithContext
 
 	mtx     tmsync.RWMutex
 	err     error
@@ -57,7 +53,6 @@ var _ Client = (*socketClient)(nil)
 func NewSocketClient(addr string, mustConnect bool) Client {
 	cli := &socketClient{
 		reqQueue:    make(chan *reqResWithContext, reqQueueSize),
-		flushTimer:  timer.NewThrottleTimer("socketClient", flushThrottleMS),
 		mustConnect: mustConnect,
 
 		addr:    addr,
@@ -102,8 +97,7 @@ func (cli *socketClient) OnStop() {
 		cli.conn.Close()
 	}
 
-	cli.flushQueue()
-	cli.flushTimer.Stop()
+	cli.drainQueue()
 }
 
 // Error returns an error if the client was stopped abruptly.
@@ -126,38 +120,25 @@ func (cli *socketClient) SetResponseCallback(resCb Callback) {
 //----------------------------------------
 
 func (cli *socketClient) sendRequestsRoutine(conn io.Writer) {
-	w := bufio.NewWriter(conn)
+	bw := bufio.NewWriter(conn)
 	for {
 		select {
 		case reqres := <-cli.reqQueue:
-			// cli.Logger.Debug("Sent request", "requestType", reflect.TypeOf(reqres.Request), "request", reqres.Request)
-
 			if reqres.C.Err() != nil {
 				cli.Logger.Debug("Request's context is done", "req", reqres.R, "err", reqres.C.Err())
 				continue
 			}
-
 			cli.willSendReq(reqres.R)
-			err := types.WriteMessage(reqres.R.Request, w)
-			if err != nil {
+
+			if err := types.WriteMessage(reqres.R.Request, bw); err != nil {
 				cli.stopForError(fmt.Errorf("write to buffer: %w", err))
 				return
 			}
+			if err := bw.Flush(); err != nil {
+				cli.stopForError(fmt.Errorf("flush buffer: %w", err))
+				return
+			}
 
-			// If it's a flush request, flush the current buffer.
-			if _, ok := reqres.R.Request.Value.(*types.Request_Flush); ok {
-				err = w.Flush()
-				if err != nil {
-					cli.stopForError(fmt.Errorf("flush buffer: %w", err))
-					return
-				}
-			}
-		case <-cli.flushTimer.Ch: // flush queue
-			select {
-			case cli.reqQueue <- &reqResWithContext{R: NewReqRes(types.ToRequestFlush()), C: context.Background()}:
-			default:
-				// Probably will fill the buffer, or retry later.
-			}
 		case <-cli.Quit():
 			return
 		}
@@ -492,14 +473,6 @@ func (cli *socketClient) queueRequest(ctx context.Context, req *types.Request, s
 		}
 	}
 
-	// Maybe auto-flush, or unset auto-flush
-	switch req.Value.(type) {
-	case *types.Request_Flush:
-		cli.flushTimer.Unset()
-	default:
-		cli.flushTimer.Set()
-	}
-
 	return reqres, nil
 }
 
@@ -537,7 +510,9 @@ func queueErr(e error) error {
 	return fmt.Errorf("can't queue req: %w", e)
 }
 
-func (cli *socketClient) flushQueue() {
+// drainQueue marks as complete and discards all remaining pending requests
+// from the queue.
+func (cli *socketClient) drainQueue() {
 	cli.mtx.Lock()
 	defer cli.mtx.Unlock()
 
@@ -547,14 +522,17 @@ func (cli *socketClient) flushQueue() {
 		reqres.Done()
 	}
 
-	// mark all queued messages as resolved
-LOOP:
+	// Mark all queued messages as resolved.
+	//
+	// TODO(creachadair): We can't simply range the channel, because it is never
+	// closed, and the writer continues to add work.
+	// See https://github.com/tendermint/tendermint/issues/6996.
 	for {
 		select {
 		case reqres := <-cli.reqQueue:
 			reqres.R.Done()
 		default:
-			break LOOP
+			return
 		}
 	}
 }

abci/client/socket_client_test.go

@@ -1,4 +1,4 @@
-package abcicli_test
+package abciclient_test
 
 import (
 	"context"
@@ -11,7 +11,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	abcicli "github.com/tendermint/tendermint/abci/client"
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/server"
 	"github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/libs/service"
@@ -100,7 +100,7 @@ func TestHangingSyncCalls(t *testing.T) {
 }
 
 func setupClientServer(t *testing.T, app types.Application) (
-	service.Service, abcicli.Client) {
+	service.Service, abciclient.Client) {
 	// some port between 20k and 30k
 	port := 20000 + rand.Int31()%10000
 	addr := fmt.Sprintf("localhost:%d", port)
@@ -110,7 +110,7 @@ func setupClientServer(t *testing.T, app types.Application) (
 	err = s.Start()
 	require.NoError(t, err)
 
-	c := abcicli.NewSocketClient(addr, true)
+	c := abciclient.NewSocketClient(addr, true)
 	err = c.Start()
 	require.NoError(t, err)
 

abci/cmd/abci-cli/abci-cli.go

@@ -15,7 +15,7 @@ import (
 	"github.com/tendermint/tendermint/libs/log"
 	tmos "github.com/tendermint/tendermint/libs/os"
 
-	abcicli "github.com/tendermint/tendermint/abci/client"
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/code"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	"github.com/tendermint/tendermint/abci/server"
@@ -27,7 +27,7 @@ import (
 
 // client is a global variable so it can be reused by the console
 var (
-	client abcicli.Client
+	client abciclient.Client
 	logger log.Logger
 
 	ctx = context.Background()
@@ -67,7 +67,7 @@ var RootCmd = &cobra.Command{
 
 		if client == nil {
 			var err error
-			client, err = abcicli.NewClient(flagAddress, flagAbci, false)
+			client, err = abciclient.NewClient(flagAddress, flagAbci, false)
 			if err != nil {
 				return err
 			}

abci/example/example_test.go

@@ -17,7 +17,7 @@ import (
 	"github.com/tendermint/tendermint/libs/log"
 	tmnet "github.com/tendermint/tendermint/libs/net"
 
-	abcicli "github.com/tendermint/tendermint/abci/client"
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/code"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	abciserver "github.com/tendermint/tendermint/abci/server"
@@ -61,7 +61,7 @@ func testStream(t *testing.T, app types.Application) {
 	})
 
 	// Connect to the socket
-	client := abcicli.NewSocketClient(socket, false)
+	client := abciclient.NewSocketClient(socket, false)
 	client.SetLogger(log.TestingLogger().With("module", "abci-client"))
 	err = client.Start()
 	require.NoError(t, err)

abci/example/kvstore/kvstore_test.go

@@ -12,7 +12,7 @@ import (
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/libs/service"
 
-	abcicli "github.com/tendermint/tendermint/abci/client"
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/code"
 	abciserver "github.com/tendermint/tendermint/abci/server"
 	"github.com/tendermint/tendermint/abci/types"
@@ -229,7 +229,7 @@ func valsEqual(t *testing.T, vals1, vals2 []types.ValidatorUpdate) {
 	}
 }
 
-func makeSocketClientServer(app types.Application, name string) (abcicli.Client, service.Service, error) {
+func makeSocketClientServer(app types.Application, name string) (abciclient.Client, service.Service, error) {
 	// Start the listener
 	socket := fmt.Sprintf("unix://%s.sock", name)
 	logger := log.TestingLogger()
@@ -241,7 +241,7 @@ func makeSocketClientServer(app types.Application, name string) (abcicli.Client,
 	}
 
 	// Connect to the socket
-	client := abcicli.NewSocketClient(socket, false)
+	client := abciclient.NewSocketClient(socket, false)
 	client.SetLogger(logger.With("module", "abci-client"))
 	if err := client.Start(); err != nil {
 		if err = server.Stop(); err != nil {
@@ -253,7 +253,7 @@ func makeSocketClientServer(app types.Application, name string) (abcicli.Client,
 	return client, server, nil
 }
 
-func makeGRPCClientServer(app types.Application, name string) (abcicli.Client, service.Service, error) {
+func makeGRPCClientServer(app types.Application, name string) (abciclient.Client, service.Service, error) {
 	// Start the listener
 	socket := fmt.Sprintf("unix://%s.sock", name)
 	logger := log.TestingLogger()
@@ -265,7 +265,7 @@ func makeGRPCClientServer(app types.Application, name string) (abcicli.Client, s
 		return nil, nil, err
 	}
 
-	client := abcicli.NewGRPCClient(socket, true)
+	client := abciclient.NewGRPCClient(socket, true)
 	client.SetLogger(logger.With("module", "abci-client"))
 	if err := client.Start(); err != nil {
 		if err := server.Stop(); err != nil {
@@ -313,7 +313,7 @@ func TestClientServer(t *testing.T) {
 	runClientTests(t, gclient)
 }
 
-func runClientTests(t *testing.T, client abcicli.Client) {
+func runClientTests(t *testing.T, client abciclient.Client) {
 	// run some tests....
 	key := testKey
 	value := key
@@ -325,7 +325,7 @@ func runClientTests(t *testing.T, client abcicli.Client) {
 	testClient(t, client, tx, key, value)
 }
 
-func testClient(t *testing.T, app abcicli.Client, tx []byte, key, value string) {
+func testClient(t *testing.T, app abciclient.Client, tx []byte, key, value string) {
 	ar, err := app.DeliverTxSync(ctx, types.RequestDeliverTx{Tx: tx})
 	require.NoError(t, err)
 	require.False(t, ar.IsErr(), ar)

abci/example/kvstore/persistent_kvstore.go

@@ -11,9 +11,9 @@ import (
 
 	"github.com/tendermint/tendermint/abci/example/code"
 	"github.com/tendermint/tendermint/abci/types"
-	cryptoenc "github.com/tendermint/tendermint/crypto/encoding"
+	"github.com/tendermint/tendermint/crypto/encoding"
 	"github.com/tendermint/tendermint/libs/log"
-	pc "github.com/tendermint/tendermint/proto/tendermint/crypto"
+	cryptoproto "github.com/tendermint/tendermint/proto/tendermint/crypto"
 )
 
 const (
@@ -30,7 +30,7 @@ type PersistentKVStoreApplication struct {
 	// validator set
 	ValUpdates []types.ValidatorUpdate
 
-	valAddrToPubKeyMap map[string]pc.PublicKey
+	valAddrToPubKeyMap map[string]cryptoproto.PublicKey
 
 	logger log.Logger
 }
@@ -46,7 +46,7 @@ func NewPersistentKVStoreApplication(dbDir string) *PersistentKVStoreApplication
 
 	return &PersistentKVStoreApplication{
 		app:                &Application{state: state},
-		valAddrToPubKeyMap: make(map[string]pc.PublicKey),
+		valAddrToPubKeyMap: make(map[string]cryptoproto.PublicKey),
 		logger:             log.NewNopLogger(),
 	}
 }
@@ -194,8 +194,8 @@ func (app *PersistentKVStoreApplication) Validators() (validators []types.Valida
 	return
 }
 
-func MakeValSetChangeTx(pubkey pc.PublicKey, power int64) []byte {
-	pk, err := cryptoenc.PubKeyFromProto(pubkey)
+func MakeValSetChangeTx(pubkey cryptoproto.PublicKey, power int64) []byte {
+	pk, err := encoding.PubKeyFromProto(pubkey)
 	if err != nil {
 		panic(err)
 	}
@@ -243,7 +243,7 @@ func (app *PersistentKVStoreApplication) execValidatorTx(tx []byte) types.Respon
 
 // add, update, or remove a validator
 func (app *PersistentKVStoreApplication) updateValidator(v types.ValidatorUpdate) types.ResponseDeliverTx {
-	pubkey, err := cryptoenc.PubKeyFromProto(v.PubKey)
+	pubkey, err := encoding.PubKeyFromProto(v.PubKey)
 	if err != nil {
 		panic(fmt.Errorf("can't decode public key: %w", err))
 	}

abci/server/socket_server.go

@@ -240,22 +240,15 @@ func (s *SocketServer) handleRequest(req *types.Request, responses chan<- *types
 
 // Pull responses from 'responses' and write them to conn.
 func (s *SocketServer) handleResponses(closeConn chan error, conn io.Writer, responses <-chan *types.Response) {
-	var count int
-	var bufWriter = bufio.NewWriter(conn)
-	for {
-		var res = <-responses
-		err := types.WriteMessage(res, bufWriter)
-		if err != nil {
+	bw := bufio.NewWriter(conn)
+	for res := range responses {
+		if err := types.WriteMessage(res, bw); err != nil {
 			closeConn <- fmt.Errorf("error writing message: %w", err)
 			return
 		}
-		if _, ok := res.Value.(*types.Response_Flush); ok {
-			err = bufWriter.Flush()
-			if err != nil {
-				closeConn <- fmt.Errorf("error flushing write buffer: %w", err)
-				return
-			}
+		if err := bw.Flush(); err != nil {
+			closeConn <- fmt.Errorf("error flushing write buffer: %w", err)
+			return
 		}
-		count++
 	}
 }

abci/tests/client_server_test.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 
-	abciclient "github.com/tendermint/tendermint/abci/client"
+	abciclientent "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	abciserver "github.com/tendermint/tendermint/abci/server"
 )
@@ -20,7 +20,7 @@ func TestClientServerNoAddrPrefix(t *testing.T) {
 	err = server.Start()
 	assert.NoError(t, err, "expected no error on server.Start")
 
-	client, err := abciclient.NewClient(addr, transport, true)
+	client, err := abciclientent.NewClient(addr, transport, true)
 	assert.NoError(t, err, "expected no error on NewClient")
 	err = client.Start()
 	assert.NoError(t, err, "expected no error on client.Start")

abci/tests/server/client.go

@@ -7,14 +7,14 @@ import (
 	"fmt"
 	mrand "math/rand"
 
-	abcicli "github.com/tendermint/tendermint/abci/client"
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/types"
 	tmrand "github.com/tendermint/tendermint/libs/rand"
 )
 
 var ctx = context.Background()
 
-func InitChain(client abcicli.Client) error {
+func InitChain(client abciclient.Client) error {
 	total := 10
 	vals := make([]types.ValidatorUpdate, total)
 	for i := 0; i < total; i++ {
@@ -34,7 +34,7 @@ func InitChain(client abcicli.Client) error {
 	return nil
 }
 
-func Commit(client abcicli.Client, hashExp []byte) error {
+func Commit(client abciclient.Client, hashExp []byte) error {
 	res, err := client.CommitSync(ctx)
 	data := res.Data
 	if err != nil {
@@ -51,7 +51,7 @@ func Commit(client abcicli.Client, hashExp []byte) error {
 	return nil
 }
 
-func DeliverTx(client abcicli.Client, txBytes []byte, codeExp uint32, dataExp []byte) error {
+func DeliverTx(client abciclient.Client, txBytes []byte, codeExp uint32, dataExp []byte) error {
 	res, _ := client.DeliverTxSync(ctx, types.RequestDeliverTx{Tx: txBytes})
 	code, data, log := res.Code, res.Data, res.Log
 	if code != codeExp {
@@ -70,7 +70,7 @@ func DeliverTx(client abcicli.Client, txBytes []byte, codeExp uint32, dataExp []
 	return nil
 }
 
-func CheckTx(client abcicli.Client, txBytes []byte, codeExp uint32, dataExp []byte) error {
+func CheckTx(client abciclient.Client, txBytes []byte, codeExp uint32, dataExp []byte) error {
 	res, _ := client.CheckTxSync(ctx, types.RequestCheckTx{Tx: txBytes})
 	code, data, log := res.Code, res.Data, res.Log
 	if code != codeExp {

abci/types/client.go

@@ -0,0 +1 @@
+package types

abci/types/pubkey.go

@@ -4,7 +4,7 @@ import (
 	fmt "fmt"
 
 	"github.com/tendermint/tendermint/crypto/ed25519"
-	cryptoenc "github.com/tendermint/tendermint/crypto/encoding"
+	"github.com/tendermint/tendermint/crypto/encoding"
 	"github.com/tendermint/tendermint/crypto/secp256k1"
 	"github.com/tendermint/tendermint/crypto/sr25519"
 )
@@ -12,7 +12,7 @@ import (
 func Ed25519ValidatorUpdate(pk []byte, power int64) ValidatorUpdate {
 	pke := ed25519.PubKey(pk)
 
-	pkp, err := cryptoenc.PubKeyToProto(pke)
+	pkp, err := encoding.PubKeyToProto(pke)
 	if err != nil {
 		panic(err)
 	}
@@ -29,7 +29,7 @@ func UpdateValidator(pk []byte, power int64, keyType string) ValidatorUpdate {
 		return Ed25519ValidatorUpdate(pk, power)
 	case secp256k1.KeyType:
 		pke := secp256k1.PubKey(pk)
-		pkp, err := cryptoenc.PubKeyToProto(pke)
+		pkp, err := encoding.PubKeyToProto(pke)
 		if err != nil {
 			panic(err)
 		}
@@ -39,7 +39,7 @@ func UpdateValidator(pk []byte, power int64, keyType string) ValidatorUpdate {
 		}
 	case sr25519.KeyType:
 		pke := sr25519.PubKey(pk)
-		pkp, err := cryptoenc.PubKeyToProto(pke)
+		pkp, err := encoding.PubKeyToProto(pke)
 		if err != nil {
 			panic(err)
 		}

cmd/tendermint/commands/debug/dump.go

@@ -11,7 +11,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/libs/cli"
 	rpchttp "github.com/tendermint/tendermint/rpc/client/http"
 )
@@ -65,9 +65,9 @@ func dumpCmdHandler(_ *cobra.Command, args []string) error {
 	}
 
 	home := viper.GetString(cli.HomeFlag)
-	conf := cfg.DefaultConfig()
+	conf := config.DefaultConfig()
 	conf = conf.SetRoot(home)
-	cfg.EnsureRoot(conf.RootDir)
+	config.EnsureRoot(conf.RootDir)
 
 	dumpDebugData(outDir, conf, rpc)
 
@@ -79,7 +79,7 @@ func dumpCmdHandler(_ *cobra.Command, args []string) error {
 	return nil
 }
 
-func dumpDebugData(outDir string, conf *cfg.Config, rpc *rpchttp.HTTP) {
+func dumpDebugData(outDir string, conf *config.Config, rpc *rpchttp.HTTP) {
 	start := time.Now().UTC()
 
 	tmpDir, err := ioutil.TempDir(outDir, "tendermint_debug_tmp")

cmd/tendermint/commands/debug/kill.go

@@ -14,7 +14,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/libs/cli"
 	rpchttp "github.com/tendermint/tendermint/rpc/client/http"
 )
@@ -50,9 +50,9 @@ func killCmdHandler(cmd *cobra.Command, args []string) error {
 	}
 
 	home := viper.GetString(cli.HomeFlag)
-	conf := cfg.DefaultConfig()
+	conf := config.DefaultConfig()
 	conf = conf.SetRoot(home)
-	cfg.EnsureRoot(conf.RootDir)
+	config.EnsureRoot(conf.RootDir)
 
 	// Create a temporary directory which will contain all the state dumps and
 	// relevant files and directories that will be compressed into a file.

cmd/tendermint/commands/debug/util.go

@@ -9,7 +9,7 @@ import (
 	"path"
 	"path/filepath"
 
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	rpchttp "github.com/tendermint/tendermint/rpc/client/http"
 )
 
@@ -48,7 +48,7 @@ func dumpConsensusState(rpc *rpchttp.HTTP, dir, filename string) error {
 
 // copyWAL copies the Tendermint node's WAL file. It returns an error if the
 // WAL file cannot be read or copied.
-func copyWAL(conf *cfg.Config, dir string) error {
+func copyWAL(conf *config.Config, dir string) error {
 	walPath := conf.Consensus.WalFile()
 	walFile := filepath.Base(walPath)
 

cmd/tendermint/commands/inspect.go

@@ -8,12 +8,7 @@ import (
 
 	"github.com/spf13/cobra"
 
-	cfg "github.com/tendermint/tendermint/config"
-	"github.com/tendermint/tendermint/inspect"
-	"github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/state/indexer/sink"
-	"github.com/tendermint/tendermint/store"
-	"github.com/tendermint/tendermint/types"
+	"github.com/tendermint/tendermint/internal/inspect"
 )
 
 // InspectCmd is the command for starting an inspect server.
@@ -55,29 +50,10 @@ func runInspect(cmd *cobra.Command, args []string) error {
 		cancel()
 	}()
 
-	blockStoreDB, err := cfg.DefaultDBProvider(&cfg.DBContext{ID: "blockstore", Config: config})
+	ins, err := inspect.NewFromConfig(logger, config)
 	if err != nil {
 		return err
 	}
-	blockStore := store.NewBlockStore(blockStoreDB)
-	stateDB, err := cfg.DefaultDBProvider(&cfg.DBContext{ID: "state", Config: config})
-	if err != nil {
-		if err := blockStoreDB.Close(); err != nil {
-			logger.Error("error closing block store db", "error", err)
-		}
-		return err
-	}
-	genDoc, err := types.GenesisDocFromFile(config.GenesisFile())
-	if err != nil {
-		return err
-	}
-	sinks, err := sink.EventSinksFromConfig(config, cfg.DefaultDBProvider, genDoc.ChainID)
-	if err != nil {
-		return err
-	}
-	stateStore := state.NewStore(stateDB)
-
-	ins := inspect.New(config.RPC, blockStore, stateStore, sinks, logger)
 
 	logger.Info("starting inspect server")
 	if err := ins.Run(ctx); err != nil {

cmd/tendermint/commands/light.go

@@ -11,7 +11,6 @@ import (
 	"time"
 
 	"github.com/spf13/cobra"
-
 	dbm "github.com/tendermint/tm-db"
 
 	"github.com/tendermint/tendermint/libs/log"

cmd/tendermint/commands/reindex_event.go

@@ -6,17 +6,17 @@ import (
 	"strings"
 
 	"github.com/spf13/cobra"
-	tmdb "github.com/tendermint/tm-db"
+	dbm "github.com/tendermint/tm-db"
 
 	abcitypes "github.com/tendermint/tendermint/abci/types"
 	tmcfg "github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/internal/libs/progressbar"
-	ctypes "github.com/tendermint/tendermint/rpc/core/types"
-	"github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/state/indexer"
-	"github.com/tendermint/tendermint/state/indexer/sink/kv"
-	"github.com/tendermint/tendermint/state/indexer/sink/psql"
-	"github.com/tendermint/tendermint/store"
+	"github.com/tendermint/tendermint/internal/state"
+	"github.com/tendermint/tendermint/internal/state/indexer"
+	"github.com/tendermint/tendermint/internal/state/indexer/sink/kv"
+	"github.com/tendermint/tendermint/internal/state/indexer/sink/psql"
+	"github.com/tendermint/tendermint/internal/store"
+	"github.com/tendermint/tendermint/rpc/coretypes"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -129,17 +129,17 @@ func loadEventSinks(cfg *tmcfg.Config) ([]indexer.EventSink, error) {
 }
 
 func loadStateAndBlockStore(cfg *tmcfg.Config) (*store.BlockStore, state.Store, error) {
-	dbType := tmdb.BackendType(cfg.DBBackend)
+	dbType := dbm.BackendType(cfg.DBBackend)
 
 	// Get BlockStore
-	blockStoreDB, err := tmdb.NewDB("blockstore", dbType, cfg.DBDir())
+	blockStoreDB, err := dbm.NewDB("blockstore", dbType, cfg.DBDir())
 	if err != nil {
 		return nil, nil, err
 	}
 	blockStore := store.NewBlockStore(blockStoreDB)
 
 	// Get StateStore
-	stateDB, err := tmdb.NewDB("state", dbType, cfg.DBDir())
+	stateDB, err := dbm.NewDB("state", dbType, cfg.DBDir())
 	if err != nil {
 		return nil, nil, err
 	}
@@ -221,14 +221,15 @@ func checkValidHeight(bs state.BlockStore) error {
 	}
 
 	if startHeight < base {
-		return fmt.Errorf("%s (requested start height: %d, base height: %d)", ctypes.ErrHeightNotAvailable, startHeight, base)
+		return fmt.Errorf("%s (requested start height: %d, base height: %d)",
+			coretypes.ErrHeightNotAvailable, startHeight, base)
 	}
 
 	height := bs.Height()
 
 	if startHeight > height {
 		return fmt.Errorf(
-			"%s (requested start height: %d, store height: %d)", ctypes.ErrHeightNotAvailable, startHeight, height)
+			"%s (requested start height: %d, store height: %d)", coretypes.ErrHeightNotAvailable, startHeight, height)
 	}
 
 	if endHeight == 0 || endHeight > height {
@@ -238,13 +239,13 @@ func checkValidHeight(bs state.BlockStore) error {
 
 	if endHeight < base {
 		return fmt.Errorf(
-			"%s (requested end height: %d, base height: %d)", ctypes.ErrHeightNotAvailable, endHeight, base)
+			"%s (requested end height: %d, base height: %d)", coretypes.ErrHeightNotAvailable, endHeight, base)
 	}
 
 	if endHeight < startHeight {
 		return fmt.Errorf(
 			"%s (requested the end height: %d is less than the start height: %d)",
-			ctypes.ErrInvalidRequest, startHeight, endHeight)
+			coretypes.ErrInvalidRequest, startHeight, endHeight)
 	}
 
 	return nil

cmd/tendermint/commands/reindex_event_test.go

@@ -11,9 +11,9 @@ import (
 
 	abcitypes "github.com/tendermint/tendermint/abci/types"
 	tmcfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/internal/state/indexer"
+	"github.com/tendermint/tendermint/internal/state/mocks"
 	prototmstate "github.com/tendermint/tendermint/proto/tendermint/state"
-	"github.com/tendermint/tendermint/state/indexer"
-	"github.com/tendermint/tendermint/state/mocks"
 	"github.com/tendermint/tendermint/types"
 )
 

cmd/tendermint/commands/run_node.go

@@ -65,7 +65,7 @@ func AddNodeFlags(cmd *cobra.Command) {
 		"proxy-app",
 		config.ProxyApp,
 		"proxy app address, or one of: 'kvstore',"+
-			" 'persistent_kvstore' or 'noop' for local testing.")
+			" 'persistent_kvstore', 'e2e' or 'noop' for local testing.")
 	cmd.Flags().String("abci", config.ABCI, "specify abci transport (socket | grpc)")
 
 	// rpc flags

cmd/tendermint/main.go

@@ -6,9 +6,9 @@ import (
 
 	cmd "github.com/tendermint/tendermint/cmd/tendermint/commands"
 	"github.com/tendermint/tendermint/cmd/tendermint/commands/debug"
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/libs/cli"
-	nm "github.com/tendermint/tendermint/node"
+	"github.com/tendermint/tendermint/node"
 )
 
 func main() {
@@ -42,12 +42,12 @@ func main() {
 	//	* Provide their own DB implementation
 	// can copy this file and use something other than the
 	// node.NewDefault function
-	nodeFunc := nm.NewDefault
+	nodeFunc := node.NewDefault
 
 	// Create & start node
 	rootCmd.AddCommand(cmd.NewRunNodeCmd(nodeFunc))
 
-	cmd := cli.PrepareBaseCmd(rootCmd, "TM", os.ExpandEnv(filepath.Join("$HOME", cfg.DefaultTendermintDir)))
+	cmd := cli.PrepareBaseCmd(rootCmd, "TM", os.ExpandEnv(filepath.Join("$HOME", config.DefaultTendermintDir)))
 	if err := cmd.Execute(); err != nil {
 		panic(err)
 	}

config/db.go

@@ -1,9 +1,10 @@
 package config
 
 import (
+	dbm "github.com/tendermint/tm-db"
+
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/libs/service"
-	db "github.com/tendermint/tm-db"
 )
 
 // ServiceProvider takes a config and a logger and returns a ready to go Node.
@@ -16,11 +17,11 @@ type DBContext struct {
 }
 
 // DBProvider takes a DBContext and returns an instantiated DB.
-type DBProvider func(*DBContext) (db.DB, error)
+type DBProvider func(*DBContext) (dbm.DB, error)
 
 // DefaultDBProvider returns a database using the DBBackend and DBDir
 // specified in the Config.
-func DefaultDBProvider(ctx *DBContext) (db.DB, error) {
-	dbType := db.BackendType(ctx.Config.DBBackend)
-	return db.NewDB(ctx.ID, dbType, ctx.Config.DBDir())
+func DefaultDBProvider(ctx *DBContext) (dbm.DB, error) {
+	dbType := dbm.BackendType(ctx.Config.DBBackend)
+	return dbm.NewDB(ctx.ID, dbType, ctx.Config.DBDir())
 }

config/toml.go

@@ -159,15 +159,15 @@ state-file = "{{ js .PrivValidator.State }}"
 # when the listenAddr is prefixed with grpc instead of tcp it will use the gRPC Client
 laddr = "{{ .PrivValidator.ListenAddr }}"
 
-# Client certificate generated while creating needed files for secure connection.
+# Path to the client certificate generated while creating needed files for secure connection.
 # If a remote validator address is provided but no certificate, the connection will be insecure
 client-certificate-file = "{{ js .PrivValidator.ClientCertificate }}"
 
 # Client key generated while creating certificates for secure connection
-validator-client-key-file = "{{ js .PrivValidator.ClientKey }}"
+client-key-file = "{{ js .PrivValidator.ClientKey }}"
 
-# Path Root Certificate Authority used to sign both client and server certificates
-certificate-authority = "{{ js .PrivValidator.RootCA }}"
+# Path to the Root Certificate Authority used to sign both client and server certificates
+root-ca-file = "{{ js .PrivValidator.RootCA }}"
 
 
 #######################################################################
@@ -331,18 +331,28 @@ max-incoming-connection-attempts = {{ .P2P.MaxIncomingConnectionAttempts }}
 unconditional-peer-ids = "{{ .P2P.UnconditionalPeerIDs }}"
 
 # Maximum pause when redialing a persistent peer (if zero, exponential backoff is used)
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 persistent-peers-max-dial-period = "{{ .P2P.PersistentPeersMaxDialPeriod }}"
 
 # Time to wait before flushing messages out on the connection
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 flush-throttle-timeout = "{{ .P2P.FlushThrottleTimeout }}"
 
 # Maximum size of a message packet payload, in bytes
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 max-packet-msg-payload-size = {{ .P2P.MaxPacketMsgPayloadSize }}
 
 # Rate at which packets can be sent, in bytes/second
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 send-rate = {{ .P2P.SendRate }}
 
 # Rate at which packets can be received, in bytes/second
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 recv-rate = {{ .P2P.RecvRate }}
 
 # Set true to enable the peer-exchange reactor
@@ -437,8 +447,8 @@ rpc-servers = "{{ StringsJoin .StateSync.RPCServers "," }}"
 trust-height = {{ .StateSync.TrustHeight }}
 trust-hash = "{{ .StateSync.TrustHash }}"
 
-# The trust period should be set so that Tendermint can detect and gossip misbehavior before 
-# it is considered expired. For chains based on the Cosmos SDK, one day less than the unbonding 
+# The trust period should be set so that Tendermint can detect and gossip misbehavior before
+# it is considered expired. For chains based on the Cosmos SDK, one day less than the unbonding
 # period should suffice.
 trust-period = "{{ .StateSync.TrustPeriod }}"
 
@@ -519,7 +529,7 @@ peer-query-maj23-sleep-duration = "{{ .Consensus.PeerQueryMaj23SleepDuration }}"
 [tx-index]
 
 # The backend database list to back the indexer.
-# If list contains null, meaning no indexer service will be used.
+# If list contains "null" or "", meaning no indexer service will be used.
 #
 # The application will set which txs to index. In some cases a node operator will be able
 # to decide which txs to index based on configuration set in the application.
@@ -527,8 +537,8 @@ peer-query-maj23-sleep-duration = "{{ .Consensus.PeerQueryMaj23SleepDuration }}"
 # Options:
 #   1) "null"
 #   2) "kv" (default) - the simplest possible indexer, backed by key-value storage (defaults to levelDB; see DBBackend).
-# 		- When "kv" is chosen "tx.height" and "tx.hash" will always be indexed.
 #   3) "psql" - the indexer services backed by PostgreSQL.
+# When "kv" or "psql" is chosen "tx.height" and "tx.hash" will always be indexed.
 indexer = [{{ range $i, $e := .TxIndex.Indexer }}{{if $i}}, {{end}}{{ printf "%q" $e}}{{end}}]
 
 # The PostgreSQL connection configuration, the connection format:

crypto/armor/armor.go

@@ -1,39 +0,0 @@
-package armor
-
-import (
-	"bytes"
-	"fmt"
-	"io/ioutil"
-
-	"golang.org/x/crypto/openpgp/armor"
-)
-
-func EncodeArmor(blockType string, headers map[string]string, data []byte) string {
-	buf := new(bytes.Buffer)
-	w, err := armor.Encode(buf, blockType, headers)
-	if err != nil {
-		panic(fmt.Errorf("could not encode ascii armor: %s", err))
-	}
-	_, err = w.Write(data)
-	if err != nil {
-		panic(fmt.Errorf("could not encode ascii armor: %s", err))
-	}
-	err = w.Close()
-	if err != nil {
-		panic(fmt.Errorf("could not encode ascii armor: %s", err))
-	}
-	return buf.String()
-}
-
-func DecodeArmor(armorStr string) (blockType string, headers map[string]string, data []byte, err error) {
-	buf := bytes.NewBufferString(armorStr)
-	block, err := armor.Decode(buf)
-	if err != nil {
-		return "", nil, nil, err
-	}
-	data, err = ioutil.ReadAll(block.Body)
-	if err != nil {
-		return "", nil, nil, err
-	}
-	return block.Type, block.Header, data, nil
-}

crypto/armor/armor_test.go

@@ -1,20 +0,0 @@
-package armor
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestArmor(t *testing.T) {
-	blockType := "MINT TEST"
-	data := []byte("somedata")
-	armorStr := EncodeArmor(blockType, nil, data)
-
-	// Decode armorStr and test for equivalence.
-	blockType2, _, data2, err := DecodeArmor(armorStr)
-	require.Nil(t, err, "%+v", err)
-	assert.Equal(t, blockType, blockType2)
-	assert.Equal(t, data, data2)
-}

crypto/encoding/codec.go

@@ -8,34 +8,34 @@ import (
 	"github.com/tendermint/tendermint/crypto/secp256k1"
 	"github.com/tendermint/tendermint/crypto/sr25519"
 	"github.com/tendermint/tendermint/libs/json"
-	pc "github.com/tendermint/tendermint/proto/tendermint/crypto"
+	cryptoproto "github.com/tendermint/tendermint/proto/tendermint/crypto"
 )
 
 func init() {
-	json.RegisterType((*pc.PublicKey)(nil), "tendermint.crypto.PublicKey")
-	json.RegisterType((*pc.PublicKey_Ed25519)(nil), "tendermint.crypto.PublicKey_Ed25519")
-	json.RegisterType((*pc.PublicKey_Secp256K1)(nil), "tendermint.crypto.PublicKey_Secp256K1")
+	json.RegisterType((*cryptoproto.PublicKey)(nil), "tendermint.crypto.PublicKey")
+	json.RegisterType((*cryptoproto.PublicKey_Ed25519)(nil), "tendermint.crypto.PublicKey_Ed25519")
+	json.RegisterType((*cryptoproto.PublicKey_Secp256K1)(nil), "tendermint.crypto.PublicKey_Secp256K1")
 }
 
 // PubKeyToProto takes crypto.PubKey and transforms it to a protobuf Pubkey
-func PubKeyToProto(k crypto.PubKey) (pc.PublicKey, error) {
-	var kp pc.PublicKey
+func PubKeyToProto(k crypto.PubKey) (cryptoproto.PublicKey, error) {
+	var kp cryptoproto.PublicKey
 	switch k := k.(type) {
 	case ed25519.PubKey:
-		kp = pc.PublicKey{
-			Sum: &pc.PublicKey_Ed25519{
+		kp = cryptoproto.PublicKey{
+			Sum: &cryptoproto.PublicKey_Ed25519{
 				Ed25519: k,
 			},
 		}
 	case secp256k1.PubKey:
-		kp = pc.PublicKey{
-			Sum: &pc.PublicKey_Secp256K1{
+		kp = cryptoproto.PublicKey{
+			Sum: &cryptoproto.PublicKey_Secp256K1{
 				Secp256K1: k,
 			},
 		}
 	case sr25519.PubKey:
-		kp = pc.PublicKey{
-			Sum: &pc.PublicKey_Sr25519{
+		kp = cryptoproto.PublicKey{
+			Sum: &cryptoproto.PublicKey_Sr25519{
 				Sr25519: k,
 			},
 		}
@@ -46,9 +46,9 @@ func PubKeyToProto(k crypto.PubKey) (pc.PublicKey, error) {
 }
 
 // PubKeyFromProto takes a protobuf Pubkey and transforms it to a crypto.Pubkey
-func PubKeyFromProto(k pc.PublicKey) (crypto.PubKey, error) {
+func PubKeyFromProto(k cryptoproto.PublicKey) (crypto.PubKey, error) {
 	switch k := k.Sum.(type) {
-	case *pc.PublicKey_Ed25519:
+	case *cryptoproto.PublicKey_Ed25519:
 		if len(k.Ed25519) != ed25519.PubKeySize {
 			return nil, fmt.Errorf("invalid size for PubKeyEd25519. Got %d, expected %d",
 				len(k.Ed25519), ed25519.PubKeySize)
@@ -56,7 +56,7 @@ func PubKeyFromProto(k pc.PublicKey) (crypto.PubKey, error) {
 		pk := make(ed25519.PubKey, ed25519.PubKeySize)
 		copy(pk, k.Ed25519)
 		return pk, nil
-	case *pc.PublicKey_Secp256K1:
+	case *cryptoproto.PublicKey_Secp256K1:
 		if len(k.Secp256K1) != secp256k1.PubKeySize {
 			return nil, fmt.Errorf("invalid size for PubKeySecp256k1. Got %d, expected %d",
 				len(k.Secp256K1), secp256k1.PubKeySize)
@@ -64,7 +64,7 @@ func PubKeyFromProto(k pc.PublicKey) (crypto.PubKey, error) {
 		pk := make(secp256k1.PubKey, secp256k1.PubKeySize)
 		copy(pk, k.Secp256K1)
 		return pk, nil
-	case *pc.PublicKey_Sr25519:
+	case *cryptoproto.PublicKey_Sr25519:
 		if len(k.Sr25519) != sr25519.PubKeySize {
 			return nil, fmt.Errorf("invalid size for PubKeySr25519. Got %d, expected %d",
 				len(k.Sr25519), sr25519.PubKeySize)

crypto/secp256k1/secp256k1_test.go

@@ -5,14 +5,13 @@ import (
 	"math/big"
 	"testing"
 
+	underlyingSecp256k1 "github.com/btcsuite/btcd/btcec"
 	"github.com/btcsuite/btcutil/base58"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
 	"github.com/tendermint/tendermint/crypto"
 	"github.com/tendermint/tendermint/crypto/secp256k1"
-
-	underlyingSecp256k1 "github.com/btcsuite/btcd/btcec"
 )
 
 type keyData struct {

crypto/xchacha20poly1305/xchachapoly_test.go

@@ -2,8 +2,8 @@ package xchacha20poly1305
 
 import (
 	"bytes"
-	cr "crypto/rand"
-	mr "math/rand"
+	crand "crypto/rand"
+	mrand "math/rand"
 	"testing"
 )
 
@@ -19,23 +19,23 @@ func TestRandom(t *testing.T) {
 		var nonce [24]byte
 		var key [32]byte
 
-		al := mr.Intn(128)
-		pl := mr.Intn(16384)
+		al := mrand.Intn(128)
+		pl := mrand.Intn(16384)
 		ad := make([]byte, al)
 		plaintext := make([]byte, pl)
-		_, err := cr.Read(key[:])
+		_, err := crand.Read(key[:])
 		if err != nil {
 			t.Errorf("error on read: %w", err)
 		}
-		_, err = cr.Read(nonce[:])
+		_, err = crand.Read(nonce[:])
 		if err != nil {
 			t.Errorf("error on read: %w", err)
 		}
-		_, err = cr.Read(ad)
+		_, err = crand.Read(ad)
 		if err != nil {
 			t.Errorf("error on read: %w", err)
 		}
-		_, err = cr.Read(plaintext)
+		_, err = crand.Read(plaintext)
 		if err != nil {
 			t.Errorf("error on read: %w", err)
 		}
@@ -59,7 +59,7 @@ func TestRandom(t *testing.T) {
 		}
 
 		if len(ad) > 0 {
-			alterAdIdx := mr.Intn(len(ad))
+			alterAdIdx := mrand.Intn(len(ad))
 			ad[alterAdIdx] ^= 0x80
 			if _, err := aead.Open(nil, nonce[:], ct, ad); err == nil {
 				t.Errorf("random #%d: Open was successful after altering additional data", i)
@@ -67,14 +67,14 @@ func TestRandom(t *testing.T) {
 			ad[alterAdIdx] ^= 0x80
 		}
 
-		alterNonceIdx := mr.Intn(aead.NonceSize())
+		alterNonceIdx := mrand.Intn(aead.NonceSize())
 		nonce[alterNonceIdx] ^= 0x80
 		if _, err := aead.Open(nil, nonce[:], ct, ad); err == nil {
 			t.Errorf("random #%d: Open was successful after altering nonce", i)
 		}
 		nonce[alterNonceIdx] ^= 0x80
 
-		alterCtIdx := mr.Intn(len(ct))
+		alterCtIdx := mrand.Intn(len(ct))
 		ct[alterCtIdx] ^= 0x80
 		if _, err := aead.Open(nil, nonce[:], ct, ad); err == nil {
 			t.Errorf("random #%d: Open was successful after altering ciphertext", i)

docs/.vuepress/config.js

@@ -78,7 +78,7 @@ module.exports = {
     },
     footer: {
       question: {
-        text: 'Chat with Tendermint developers in <a href=\'https://discord.gg/vcExX9T\' target=\'_blank\'>Discord</a> or reach out on the <a href=\'https://forum.cosmos.network/c/tendermint\' target=\'_blank\'>Tendermint Forum</a> to learn more.'
+        text: 'Chat with Tendermint developers in <a href=\'https://discord.gg/cosmosnetwork\' target=\'_blank\'>Discord</a> or reach out on the <a href=\'https://forum.cosmos.network/c/tendermint\' target=\'_blank\'>Tendermint Forum</a> to learn more.'
       },
       logo: '/logo-bw.svg',
       textLink: {

docs/DOCS_README.md

@@ -2,17 +2,27 @@
 
 The documentation for Tendermint Core is hosted at:
 
-- <https://docs.tendermint.com/master/>
+- <https://docs.tendermint.com/>
 
-built from the files in this (`/docs`) directory for
-[master](https://github.com/tendermint/tendermint/tree/master/docs) respectively.
+built from the files in this [`docs` directory for `master`](https://github.com/tendermint/tendermint/tree/master/docs)
+and other supported release branches.
 
 ## How It Works
 
-There is a CircleCI job listening for changes in the `/docs` directory, on both
-the `master` branch. Any updates to files in this directory
-on those branches will automatically trigger a website deployment. Under the hood,
-the private website repository has a `make build-docs` target consumed by a CircleCI job in that repo.
+There is a [GitHub Actions workflow](https://github.com/tendermint/docs/actions/workflows/deployment.yml)
+in the `tendermint/docs` repository that clones and builds the documentation
+site from the contents of this `docs` directory, for `master` and for each
+supported release branch. Under the hood, this workflow runs `make build-docs`
+from the [Makefile](../Makefile#L214).
+
+The list of supported versions are defined in [`config.js`](./.vuepress/config.js),
+which defines the UI menu on the documentation site, and also in
+[`docs/versions`](./versions), which determines which branches are built.
+
+The last entry in the `docs/versions` file determines which version is linked
+by default from the generated `index.html`. This should generally be the most
+recent release, rather than `master`, so that new users are not confused by
+documentation for unreleased features.
 
 ## README
 

docs/networks/README.md

@@ -2,7 +2,7 @@
 order: 1
 parent:
   title: Networks
-  order: 6
+  order: 1
 ---
 
 # Overview

docs/nodes/configuration.md

@@ -16,8 +16,7 @@ the parameters set with their default values. It will look something
 like the file below, however, double check by inspecting the
 `config.toml` created with your version of `tendermint` installed:
 
-```toml
-# This is a TOML config file.
+```toml# This is a TOML config file.
 # For more information, see https://github.com/toml-lang/toml
 
 # NOTE: Any path below can be absolute (e.g. "/var/myawesomeapp/data") or
@@ -34,14 +33,14 @@ like the file below, however, double check by inspecting the
 proxy-app = "tcp://127.0.0.1:26658"
 
 # A custom human readable name for this node
-moniker = "anonymous"
+moniker = "ape"
 
 
 # Mode of Node: full | validator | seed (default: "validator")
 # * validator node (default)
 #   - all reactors
 #   - with priv_validator_key.json, priv_validator_state.json
-# * full node 
+# * full node
 #   - all reactors
 #   - No priv_validator_key.json, priv_validator_state.json
 # * seed node
@@ -49,6 +48,11 @@ moniker = "anonymous"
 #   - No priv_validator_key.json, priv_validator_state.json
 mode = "validator"
 
+# If this node is many blocks behind the tip of the chain, FastSync
+# allows them to catchup quickly by downloading blocks in parallel
+# and verifying their commits
+fast-sync = true
+
 # Database backend: goleveldb | cleveldb | boltdb | rocksdb | badgerdb
 # * goleveldb (github.com/syndtr/goleveldb - most popular implementation)
 #   - pure go
@@ -84,16 +88,6 @@ log-format = "plain"
 # Path to the JSON file containing the initial validator set and other meta data
 genesis-file = "config/genesis.json"
 
-# Path to the JSON file containing the private key to use as a validator in the consensus protocol
-priv-validator-key-file = "config/priv_validator_key.json"
-
-# Path to the JSON file containing the last sign state of a validator
-priv-validator-state-file = "data/priv_validator_state.json"
-
-# TCP or UNIX socket address for Tendermint to listen on for
-# connections from an external PrivValidator process
-priv-validator-laddr = ""
-
 # Path to the JSON file containing the private key to use for node authentication in the p2p protocol
 node-key-file = "config/node_key.json"
 
@@ -105,6 +99,33 @@ abci = "socket"
 filter-peers = false
 
 
+#######################################################
+###       Priv Validator Configuration              ###
+#######################################################
+[priv-validator]
+
+# Path to the JSON file containing the private key to use as a validator in the consensus protocol
+key-file = "config/priv_validator_key.json"
+
+# Path to the JSON file containing the last sign state of a validator
+state-file = "data/priv_validator_state.json"
+
+# TCP or UNIX socket address for Tendermint to listen on for
+# connections from an external PrivValidator process
+# when the listenAddr is prefixed with grpc instead of tcp it will use the gRPC Client
+laddr = ""
+
+# Path to the client certificate generated while creating needed files for secure connection.
+# If a remote validator address is provided but no certificate, the connection will be insecure
+client-certificate-file = ""
+
+# Client key generated while creating certificates for secure connection
+validator-client-key-file = ""
+
+# Path to the Root Certificate Authority used to sign both client and server certificates
+certificate-authority = ""
+
+
 #######################################################################
 ###                 Advanced Configuration Options                  ###
 #######################################################################
@@ -130,6 +151,7 @@ cors-allowed-headers = ["Origin", "Accept", "Content-Type", "X-Requested-With",
 
 # TCP or UNIX socket address for the gRPC server to listen on
 # NOTE: This server only supports /broadcast_tx_commit
+# Deprecated gRPC  in the RPC layer of Tendermint will be deprecated in 0.36.
 grpc-laddr = ""
 
 # Maximum number of simultaneous connections.
@@ -139,9 +161,10 @@ grpc-laddr = ""
 # 0 - unlimited.
 # Should be < {ulimit -Sn} - {MaxNumInboundPeers} - {MaxNumOutboundPeers} - {N of wal, db and other open files}
 # 1024 - 40 - 10 - 50 = 924 = ~900
+# Deprecated gRPC  in the RPC layer of Tendermint will be deprecated in 0.36.
 grpc-max-open-connections = 900
 
-# Activate unsafe RPC commands like /dial_seeds and /unsafe_flush_mempool
+# Activate unsafe RPC commands like /dial-seeds and /unsafe-flush-mempool
 unsafe = false
 
 # Maximum number of simultaneous connections (including WebSocket).
@@ -198,18 +221,34 @@ pprof-laddr = ""
 #######################################################
 [p2p]
 
+# Enable the legacy p2p layer.
+use-legacy = false
+
+# Select the p2p internal queue
+queue-type = "priority"
+
 # Address to listen for incoming connections
 laddr = "tcp://0.0.0.0:26656"
 
 # Address to advertise to peers for them to dial
 # If empty, will use the same port as the laddr,
 # and will introspect on the listener or use UPnP
-# to figure out the address.
+# to figure out the address. ip and port are required
+# example: 159.89.10.97:26656
 external-address = ""
 
 # Comma separated list of seed nodes to connect to
+# We only use these if we can’t connect to peers in the addrbook
+# NOTE: not used by the new PEX reactor. Please use BootstrapPeers instead.
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 seeds = ""
 
+# Comma separated list of peers to be added to the peer store
+# on startup. Either BootstrapPeers or PersistentPeers are
+# needed for peer discovery
+bootstrap-peers = ""
+
 # Comma separated list of nodes to keep persistent connections to
 persistent-peers = ""
 
@@ -217,6 +256,8 @@ persistent-peers = ""
 upnp = false
 
 # Path to address book
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 addr-book-file = "config/addrbook.json"
 
 # Set true for strict address routability rules
@@ -224,9 +265,15 @@ addr-book-file = "config/addrbook.json"
 addr-book-strict = true
 
 # Maximum number of inbound peers
+#
+# TODO: Remove once p2p refactor is complete in favor of MaxConnections.
+# ref: https://github.com/tendermint/tendermint/issues/5670
 max-num-inbound-peers = 40
 
 # Maximum number of outbound peers to connect to, excluding persistent peers
+#
+# TODO: Remove once p2p refactor is complete in favor of MaxConnections.
+# ref: https://github.com/tendermint/tendermint/issues/5670
 max-num-outbound-peers = 10
 
 # Maximum number of connections (inbound and outbound).
@@ -236,27 +283,40 @@ max-connections = 64
 max-incoming-connection-attempts = 100
 
 # List of node IDs, to which a connection will be (re)established ignoring any existing limits
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 unconditional-peer-ids = ""
 
 # Maximum pause when redialing a persistent peer (if zero, exponential backoff is used)
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 persistent-peers-max-dial-period = "0s"
 
 # Time to wait before flushing messages out on the connection
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 flush-throttle-timeout = "100ms"
 
 # Maximum size of a message packet payload, in bytes
-max-packet-msg-payload-size = 1024
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
+max-packet-msg-payload-size = 1400
 
 # Rate at which packets can be sent, in bytes/second
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 send-rate = 5120000
 
 # Rate at which packets can be received, in bytes/second
+# TODO: Remove once p2p refactor is complete
+# ref: https:#github.com/tendermint/tendermint/issues/5670
 recv-rate = 5120000
 
 # Set true to enable the peer-exchange reactor
 pex = true
 
 # Comma separated list of peer IDs to keep private (will not be gossiped to other peers)
+# Warning: IPs will be exposed at /net_info, for more information https://github.com/tendermint/tendermint/issues/3055
 private-peer-ids = ""
 
 # Toggle to disable guard against peers connecting from the same ip.
@@ -349,8 +409,15 @@ discovery-time = "15s"
 # Will create a new, randomly named directory within, and remove it when done.
 temp-dir = ""
 
+# The timeout duration before re-requesting a chunk, possibly from a different
+# peer (default: 15 seconds).
+chunk-request-timeout = "15s"
+
+# The number of concurrent chunk and block fetchers to run (default: 4).
+fetchers = "4"
+
 #######################################################
-###       BlockSync Configuration Connections       ###
+###       Block Sync Configuration Connections       ###
 #######################################################
 [blocksync]
 
@@ -410,7 +477,8 @@ peer-query-maj23-sleep-duration = "2s"
 #######################################################
 [tx-index]
 
-# What indexer to use for transactions
+# The backend database list to back the indexer.
+# If list contains "null" or "", meaning no indexer service will be used.
 #
 # The application will set which txs to index. In some cases a node operator will be able
 # to decide which txs to index based on configuration set in the application.
@@ -418,8 +486,13 @@ peer-query-maj23-sleep-duration = "2s"
 # Options:
 #   1) "null"
 #   2) "kv" (default) - the simplest possible indexer, backed by key-value storage (defaults to levelDB; see DBBackend).
-#   - When "kv" is chosen "tx.height" and "tx.hash" will always be indexed.
-indexer = "kv"
+#   3) "psql" - the indexer services backed by PostgreSQL.
+# When "kv" or "psql" is chosen "tx.height" and "tx.hash" will always be indexed.
+indexer = ["kv"]
+
+# The PostgreSQL connection configuration, the connection format:
+#   postgresql://<user>:<password>@<host>:<port>/<db>?<opts>
+psql-conn = ""
 
 #######################################################
 ###       Instrumentation Configuration Options     ###
@@ -520,10 +593,61 @@ This section will cover settings within the p2p section of the `config.toml`.
 
 - `external-address` = is the address that will be advertised for other nodes to use. We recommend setting this field with your public IP and p2p port.
   - > We recommend setting an external address. When used in a private network, Tendermint Core currently doesn't advertise the node's public address. There is active and ongoing work to improve the P2P system, but this is a helpful workaround for now.
-- `seeds` = is a list of comma separated seed nodes that you will connect upon a start and ask for peers. A seed node is a node that does not participate in consensus but only helps propagate peers to nodes in the networks
 - `persistent-peers` = is a list of comma separated peers that you will always want to be connected to. If you're already connected to the maximum number of peers, persistent peers will not be added.
-- `max-num-inbound-peers` = is the maximum number of peers you will accept inbound connections from at one time (where they dial your address and initiate the connection).
-- `max-num-outbound-peers` = is the maximum number of peers you will initiate outbound connects to at one time (where you dial their address and initiate the connection).
-- `unconditional-peer-ids` = is similar to `persistent-peers` except that these peers will be connected to even if you are already connected to the maximum number of peers. This can be a validator node ID on your sentry node.
 - `pex` = turns the peer exchange reactor on or off. Validator node will want the `pex` turned off so it would not begin gossiping to unknown peers on the network. PeX can also be turned off for statically configured networks with fixed network connectivity. For full nodes on open, dynamic networks, it should be turned on.
 - `private-peer-ids` = is a comma-separated list of node ids that will _not_ be exposed to other peers (i.e., you will not tell other peers about the ids in this list). This can be filled with a validator's node id.
+
+Recently the Tendermint Team conducted a refactor of the p2p layer. This lead to multiple config paramters being deprecated and/or replaced. 
+
+We will cover the new and deprecated parameters below.
+### New Parameters
+
+There are three new parameters, which are enabled if use-legacy is set to false.
+
+- `queue-type` = sets a type of queue to use in the p2p layer. There are three options available `fifo`, `priority` and `wdrr`. The default is priority
+- `bootstrap-peers` = is a list of comma seperated peers which will be used to bootstrap the address book. 
+- `max-connections` = is the max amount of allowed inbound and outbound connections.
+### Deprecated Parameters
+
+> Note: For Tendermint 0.35, there are two p2p implementations. The old version is used by deafult with the deprecated fields. The new implementation uses different config parameters, explained above.
+
+- `max-num-inbound-peers` = is the maximum number of peers you will accept inbound connections from at one time (where they dial your address and initiate the connection). *This was replaced by `max-connections`*
+- `max-num-outbound-peers` = is the maximum number of peers you will initiate outbound connects to at one time (where you dial their address and initiate the connection).*This was replaced by `max-connections`*
+- `unconditional-peer-ids` = is similar to `persistent-peers` except that these peers will be connected to even if you are already connected to the maximum number of peers. This can be a validator node ID on your sentry node. *Deprecated*
+- `seeds` = is a list of comma separated seed nodes that you will connect upon a start and ask for peers. A seed node is a node that does not participate in consensus but only helps propagate peers to nodes in the networks *Deprecated, replaced by bootstrap peers*
+
+## Indexing Settings
+
+Operators can configure indexing via the `[tx_index]` section. The `indexer`
+field takes a series of supported indexers. If `null` is included, indexing will
+be turned off regardless of other values provided.
+
+### Supported Indexers
+
+#### KV
+
+The `kv` indexer type is an embedded key-value store supported by the main
+underlying Tendermint database. Using the `kv` indexer type allows you to query
+for block and transaction events directly against Tendermint's RPC. However, the
+query syntax is limited and so this indexer type might be deprecated or removed
+entirely in the future.
+
+#### PostgreSQL
+
+The `psql` indexer type allows an operator to enable block and transaction event
+indexing by proxying it to an external PostgreSQL instance allowing for the events
+to be stored in relational models. Since the events are stored in a RDBMS, operators
+can leverage SQL to perform a series of rich and complex queries that are not
+supported by the `kv` indexer type. Since operators can leverage SQL directly,
+searching is not enabled for the `psql` indexer type via Tendermint's RPC -- any
+such query will fail.
+
+Note, the SQL schema is stored in `state/indexer/sink/psql/schema.sql` and operators
+must explicitly create the relations prior to starting Tendermint and enabling
+the `psql` indexer type.
+
+Example:
+
+```shell
+$ psql ... -f state/indexer/sink/psql/schema.sql
+```

docs/rfc/README.md

@@ -40,5 +40,8 @@ sections.
 - [RFC-000: P2P Roadmap](./rfc-000-p2p-roadmap.rst)
 - [RFC-001: Storage Engines](./rfc-001-storage-engine.rst)
 - [RFC-002: Interprocess Communication](./rfc-002-ipc-ecosystem.md)
+- [RFC-003: Performance Taxonomy](./rfc-003-performance-questions.md)
+- [RFC-004: E2E Test Framework Enhancements](./rfc-004-e2e-framework.md)
+- [RFC-005: Event System](./rfc-005-event-system.rst)
 
 <!-- - [RFC-NNN: Title](./rfc-NNN-title.md) -->

docs/rfc/rfc-000-p2p-roadmap.rst

@@ -40,15 +40,15 @@ Critique of Current Peer-to-Peer Infrastructure
 
 The current (refactored) P2P stack is an improvement on the previous iteration
 (legacy), but as of 0.35, there remains room for improvement in the design and
-implementation of the P2P layer. 
+implementation of the P2P layer.
 
 Some limitations of the current stack include:
 
 - heavy reliance on buffering to avoid backups in the flow of components,
   which is fragile to maintain and can lead to unexpected memory usage
   patterns and forces the routing layer to make decisions about when messages
-  should be discarded. 
-  
+  should be discarded.
+
 - the current p2p stack relies on convention (rather than the compiler) to
   enforce the API boundaries and conventions between reactors and the router,
   making it very easy to write "wrong" reactor code or introduce a bad
@@ -64,7 +64,7 @@ Some limitations of the current stack include:
   difficult to expose that information to monitoring/observability tools. This
   general opacity also makes it difficult to interact with the peer system
   from other areas of the code base (e.g. tests, reactors).
-  
+
 - the legacy stack provided some control to operators to force the system to
   dial new peers or seed nodes or manipulate the topology of the system _in
   situ_. The current stack can't easily provide this, and while the new stack
@@ -94,16 +94,16 @@ blocksync and consensus) from procedure calls to message passing.
 This is a relatively simple change and could be implemented with the following
 components:
 
-- a constant to represent "local" delivery as  the ``To``` field on
+- a constant to represent "local" delivery as  the ``To`` field on
   ``p2p.Envelope``.
-  
+
 - special path for routing local messages that doesn't require message
   serialization (protobuf marshalling/unmarshaling).
-  
+
 Adding these semantics, particularly if in conjunction with synchronous
 semantics provides a solution to dependency graph problems currently present
 in the Tendermint codebase, which will simplify development, make it possible
-to isolate components for testing. 
+to isolate components for testing.
 
 Eventually, this will also make it possible to have a logical Tendermint node
 running in multiple processes or in a collection of containers, although the
@@ -129,7 +129,7 @@ of request/response ID to allow identifying out-of-order responses over a
 single connection. Additionally, expanded the programming model of the
 ``p2p.Channel`` to accommodate some kind of _future_ or similar paradigm to
 make it viable to write reactor code without needing for the reactor developer
-to wrestle with lower level concurency constructs.
+to wrestle with lower level concurrency constructs.
 
 
 Timeout Handling (QoS)
@@ -143,7 +143,7 @@ detect or attribute. Additionally, the current system provides three main
 parameters to control quality of service:
 
 - buffer sizes for channels and queues.
-  
+
 - priorities for channels
 
 - queue implementation details for shedding load.
@@ -151,13 +151,13 @@ parameters to control quality of service:
 These end up being quite coarse controls, and changing the settings are
 difficult because as the queues and channels are able to buffer large numbers
 of messages it can be hard to see the impact of a given change, particularly
-in our extant test environment. In general, we should endeavor to: 
+in our extant test environment. In general, we should endeavor to:
 
 - set real timeouts, via contexts, on most message send operations, so that
   senders rather than queues can be responsible for timeout
   logic. Additionally, this will make it possible to avoid sending messages
   during shutdown.
-  
+
 - reduce (to the greatest extent possible) the amount of buffering in
   channels and the queues, to more readily surface backpressure and reduce the
   potential for buildup of stale messages.
@@ -173,8 +173,8 @@ transport types and makes it more likely that message-based caching and rate
 limiting will be implemented at the transport layer rather than at a more
 appropriate level.
 
-The transport then, would be responsible for negitating the connection and the
-handshake and otherwise behave like a socket/file discriptor with ``Read` and
+The transport then, would be responsible for negotiating the connection and the
+handshake and otherwise behave like a socket/file descriptor with ``Read`` and
 ``Write`` methods.
 
 While this was included in the initial design for the new P2P layer, it may be
@@ -185,7 +185,7 @@ Service Discovery
 ~~~~~~~~~~~~~~~~~
 
 In the current system, Tendermint assumes that all nodes in a network are
-largely equivelent, and nodes tend to be "chatty" making many requests of
+largely equivalent, and nodes tend to be "chatty" making many requests of
 large numbers of peers and waiting for peers to (hopefully) respond. While
 this works and has allowed Tendermint to get to a certain point, this both
 produces a theoretical scaling bottle neck and makes it harder to test and
@@ -194,7 +194,7 @@ verify components of the system.
 In addition to peer's identity and connection information, peers should be
 able to advertise a number of services or capabilities, and node operators or
 developers should be able to specify peer capability requirements (e.g. target
-at least <x>-percent of peers with <y> capability.)  
+at least <x>-percent of peers with <y> capability.)
 
 These capabilities may be useful in selecting peers to send messages to, it
 may make sense to extend Tendermint's message addressing capability to allow
@@ -215,7 +215,7 @@ Continued Homegrown Implementation
 The current peer system is homegrown and is conceptually compatible with the
 needs of the project, and while there are limitations to the system, the p2p
 layer is not (currently as of 0.35) a major source of bugs or friction during
-development. 
+development.
 
 However, the current implementation makes a number of allowances for
 interoperability, and there are a collection of iterative improvements that
@@ -228,18 +228,18 @@ implementation, upcoming work would include:
   connections using different protocols (e.g. QUIC, etc.)
 
 - entirely remove the constructs and implementations of the legacy peer
-  implementation. 
-  
+  implementation.
+
 - establish and enforce clearer chains of responsibility for connection
   establishment (e.g. handshaking, setup,) which is currently shared between
-  three components. 
+  three components.
 
 - report better metrics regarding the into the state of peers and network
   connectivity, which are opaque outside of the system. This is constrained at
   the moment as a side effect of the split responsibility for connection
   establishment.
-  
-- extend the PEX system to include service information so that ndoes in the
+
+- extend the PEX system to include service information so that nodes in the
   network weren't necessarily homogeneous.
 
 While maintaining a bespoke peer management layer would seem to distract from
@@ -272,20 +272,20 @@ case that our internal systems need to know much less about peers than
 otherwise specified. Similarly, the current system has a notion of peer
 scoring that cannot be communicated to libp2p, which may be fine as this is
 only used to support peer exchange (PEX,) which would become a property libp2p
-and not expressed in it's current higher-level form. 
+and not expressed in it's current higher-level form.
 
-In general, the effort to switch to libp2p would involve: 
+In general, the effort to switch to libp2p would involve:
 
 - timing it during an appropriate protocol-breaking window, as it doesn't seem
-  viable to support both libp2p *and* the current p2p protocol. 
-  
+  viable to support both libp2p *and* the current p2p protocol.
+
 - providing some in-memory testing network to support the use case that the
   current ``p2p.MemoryNetwork`` provides.
 
 - re-homing the ``p2p.Router`` implementation on top of libp2p components to
   be able to maintain the current reactor implementations.
-  
-Open question include: 
+
+Open question include:
 
 - how much local buffering should we be doing? It sort of seems like we should
   figure out what the expected behavior is for libp2p for QoS-type
@@ -302,7 +302,7 @@ Open question include:
 
 - how do efforts to select "the best" (healthy, close, well-behaving, etc.)
   peers work out if Tendermint is not maintaining a local peer database?
-  
+
 - would adding additional higher level semantics (internal message passing,
   request/response pairs, service discovery, etc.) facilitate removing some of
   the direct linkages between constructs/components in the system and reduce
@@ -311,6 +311,6 @@ Open question include:
 References
 ----------
 
-- `Tracking Ticket for P2P Refactor Project <https://github.com/tendermint/tendermint/issues/5670>`_ 
+- `Tracking Ticket for P2P Refactor Project <https://github.com/tendermint/tendermint/issues/5670>`_
 - `ADR 61: P2P Refactor Scope <../architecture/adr-061-p2p-refactor-scope.md>`_
 - `ADR 62: P2P Architecture and Abstraction <../architecture/adr-061-p2p-architecture.md>`_

docs/rfc/rfc-003-performance-questions.md

@@ -0,0 +1,283 @@
+# RFC 003: Taxonomy of potential performance issues in Tendermint 
+
+## Changelog
+
+- 2021-09-02: Created initial draft (@wbanfield)
+- 2021-09-14: Add discussion of the event system (@wbanfield)
+
+## Abstract
+
+This document discusses the various sources of performance issues in Tendermint and
+attempts to clarify what work may be required to understand and address them.
+
+## Background
+
+Performance, loosely defined as the ability of a software process to perform its work
+quickly and efficiently under load and within reasonable resource limits, is a frequent
+topic of discussion in the Tendermint project.
+To effectively address any issues with Tendermint performance we need to
+categorize the various issues, understand their potential sources, and gauge their
+impact on users.
+
+Categorizing the different known performance issues will allow us to discuss and fix them
+more systematically. This document proposes a rough taxonomy of performance issues
+and highlights areas where more research into potential performance problems is required.
+
+Understanding Tendermint's performance limitations will also be critically important
+as we make changes to many of its subsystems. Performance is a central concern for
+upcoming decisions regarding the `p2p` protocol, RPC message encoding and structure,
+database usage and selection, and consensus protocol updates.
+
+
+## Discussion
+
+This section attempts to delineate the different sections of Tendermint functionality
+that are often cited as having performance issues. It raises questions and suggests
+lines of inquiry that may be valuable for better understanding Tendermint's performance issues.
+
+As a note: We should avoid quickly adding many microbenchmarks or package level benchmarks. 
+These are prone to being worse than useless as they can obscure what _should_ be
+focused on: performance of the system from the perspective of a user. We should,
+instead, tune performance with an eye towards user needs and actions users make. These users comprise
+both operators of Tendermint chains and the people generating transactions for
+Tendermint chains. Both of these sets of users are largely aligned in wanting an end-to-end
+system that operates quickly and efficiently.
+
+REQUEST: The list below may be incomplete, if there are additional sections that are often
+cited as creating poor performance, please comment so that they may be included.
+
+### P2P
+
+#### Claim: Tendermint cannot scale to large numbers of nodes
+
+A complaint has been reported that Tendermint networks cannot scale to large numbers of nodes.
+The listed number of nodes a user reported as causing issue was in the thousands.
+We don't currently have evidence about what the upper-limit of nodes that Tendermint's
+P2P stack can scale to.
+
+We need to more concretely understand the source of issues and determine what layer
+is causing a problem. It's possible that the P2P layer, in the absence of any reactors
+sending data, is perfectly capable of managing thousands of peer connections. For
+a reasonable networking and application setup, thousands of connections should not present any
+issue for the application.
+
+We need more data to understand the problem directly. We want to drive the popularity
+and adoption of Tendermint and this will mean allowing for chains with more validators.
+We should follow up with users experiencing this issue. We may then want to add
+a series of metrics to the P2P layer to better understand the inefficiencies it produces.
+
+The following metrics can help us understand the sources of latency in the Tendermint P2P stack:
+
+* Number of messages sent and received per second
+* Time of a message spent on the P2P layer send and receive queues
+
+The following metrics exist and should be leveraged in addition to those added:
+
+* Number of peers node's connected to
+* Number of bytes per channel sent and received from each peer
+
+### Sync
+
+#### Claim: Block Syncing is slow
+
+Bootstrapping a new node in a network to the height of the rest of the network is believed to
+take longer than users would like. Block sync requires fetching all of the blocks from
+peers and placing them into the local disk for storage. A useful line of inquiry
+is understanding how quickly a perfectly tuned system _could_ fetch all of the state
+over a network so that we understand how much overhead Tendermint actually adds.
+
+The operation is likely to be _incredibly_ dependent on the environment in which
+the node is being run. The factors that will influence syncing include:
+1. Number of peers that a syncing node may fetch from.
+2. Speed of the disk that a validator is writing to.
+3. Speed of the network connection between the different peers that node is
+syncing from.
+
+We should calculate how quickly this operation _could possibly_ complete for common chains and nodes.
+To calculate how quickly this operation could possibly complete, we should assume that
+a node is reading at line-rate of the NIC and writing at the full drive speed to its
+local storage. Comparing this theoretical upper-limit to the actual sync times
+observed by node operators will give us a good point of comparison for understanding
+how much overhead Tendermint incurs.
+
+We should additionally add metrics to the blocksync operation to more clearly pinpoint
+slow operations. The following metrics should be added to the block syncing operation:
+
+* Time to fetch and validate each block
+* Time to execute a block
+* Blocks sync'd per unit time
+
+### Application
+
+Applications performing complex state transitions have the potential to bottleneck
+the Tendermint node.
+
+#### Claim: ABCI block delivery could cause slowdown
+
+ABCI delivers blocks in several methods: `BeginBlock`, `DeliverTx`, `EndBlock`, `Commit`.
+
+Tendermint delivers transactions one-by-one via the `DeliverTx` call. Most of the 
+transaction delivery in Tendermint occurs asynchronously and therefore appears unlikely to
+form a bottleneck in ABCI.
+
+After delivering all transactions, Tendermint then calls the `Commit` ABCI method.
+Tendermint [locks all access to the mempool][abci-commit-description] while `Commit`
+proceeds. This means that an application that is slow to execute all of its
+transactions or finalize state during the `Commit` method will prevent any new
+transactions from being added to the mempool.  Apps that are slow to commit will
+prevent consensus from proceeded to the next consensus height since Tendermint
+cannot validate block proposals or produce block proposals without the
+AppHash obtained from the `Commit` method. We should add a metric for each
+step in the ABCI protocol to track the amount of time that a node spends communicating
+with the application at each step.
+
+#### Claim: ABCI serialization overhead causes slowdown
+
+The most common way to run a Tendermint application is using the Cosmos-SDK.
+The Cosmos-SDK runs the ABCI application within the same process as Tendermint.
+When an application is run in the same process as Tendermint, a serialization penalty
+is not paid. This is because the local ABCI client does not serialize method calls
+and instead passes the protobuf type through directly. This can be seen
+in [local_client.go][abci-local-client-code].
+
+Serialization and deserialization in the gRPC and socket protocol ABCI methods
+may cause slowdown. While these may cause issue, they are not part of the primary
+usecase of Tendermint and do not necessarily need to be addressed at this time.
+
+### RPC
+
+#### Claim: The Query API is slow.
+
+The query API locks a mutex across the ABCI connections. This causes consensus to
+slow during queries, as ABCI is no longer able to make progress. This is known
+to be causing issue in the cosmos-sdk and is being addressed [in the sdk][sdk-query-fix]
+but a more robust solution may be required. Adding metrics to each ABCI client connection
+and message as described in the Application section of this document would allow us
+to further introspect the issue here. 
+
+#### Claim: RPC Serialization may cause slowdown
+
+The Tendermint RPC uses a modified version of JSON-RPC. This RPC powers the `broadcast_tx_*` methods,
+which is a critical method for adding transactions to Tendermint at the moment. This method is
+likely invoked quite frequently on popular networks. Being able to perform efficiently
+on this common and critical operation is very important. The current JSON-RPC implementation
+relies heavily on type introspection via reflection, which is known to be very slow in
+Go. We should therefore produce benchmarks of this method to determine how much overhead
+we are adding to what, is likely to be, a very common operation.
+
+The other JSON-RPC methods are much less critical to the core functionality of Tendermint.
+While there may other points of performance consideration within the RPC, methods that do not
+receive high volumes of requests should not be prioritized for performance consideration.
+
+NOTE: Previous discussion of the RPC framework was done in [ADR 57][adr-57] and 
+there is ongoing work to inspect and alter the JSON-RPC framework in [RFC 002][rfc-002]. 
+Much of these RPC-related performance considerations can either wait until the work of RFC 002 work is done or be
+considered concordantly with the in-flight changes to the JSON-RPC.
+
+### Protocol
+
+#### Claim: Gossiping messages is a slow process
+
+Currently, for any validator to successfully vote in a consensus _step_, it must
+receive votes from greater than 2/3 of the validators on the network. In many cases,
+it's preferable to receive as many votes as possible from correct validators.
+
+This produces a quadratic increase in messages that are communicated as more validators join the network.
+(Each of the N validators must communicate with all other N-1 validators).
+
+This large number of messages communicated per step has been identified to impact
+performance of the protocol. Given that the number of messages communicated has been
+identified as a bottleneck, it would be extremely valuable to gather data on how long
+it takes for popular chains with many validators to gather all votes within a step.
+
+Metrics that would improve visibility into this include:
+
+* Amount of time for a node to gather votes in a step.
+* Amount of time for a node to gather all block parts.
+* Number of votes each node sends to gossip (i.e. not its own votes, but votes it is
+transmitting for a peer).
+* Total number of votes each node sends to receives (A node may receive duplicate votes
+so understanding how frequently this occurs will be valuable in evaluating the performance
+of the gossip system).
+
+#### Claim: Hashing Txs causes slowdown in Tendermint
+
+Using a faster hash algorithm for Tx hashes is currently a point of discussion
+in Tendermint. Namely, it is being considered as part of the [modular hashing proposal][modular-hashing].
+It is currently unknown if hashing transactions in the Mempool forms a significant bottleneck.
+Although it does not appear to be documented as slow, there are a few open github
+issues that indicate a possible user preference for a faster hashing algorithm,
+including [issue 2187][issue-2187] and [issue 2186][issue-2186]. 
+
+It is likely worth investigating what order of magnitude Tx hashing takes in comparison to other
+aspects of adding a Tx to the mempool. It is not currently clear if the rate of adding Tx
+to the mempool is a source of user pain. We should not endeavor to make large changes to
+consensus critical components without first being certain that the change is highly
+valuable and impactful.
+
+### Digital Signatures
+
+#### Claim: Verification of digital signatures may cause slowdown in Tendermint
+
+Working with cryptographic signatures can be computationally expensive. The cosmos
+hub uses [ed25519 signatures][hub-signature]. The library performing signature
+verification in Tendermint on votes is [benchmarked][ed25519-bench] to be able to perform an `ed25519`
+signature in 75μs on a decently fast CPU. A validator in the Cosmos Hub performs
+3 sets of verifications on the signatures of the 140 validators in the Hub
+in a consensus round, during block verification, when verifying the prevotes, and
+when verifying the precommits. With no batching, this would be roughly `3ms` per
+round. It is quite unlikely, therefore, that this accounts for any serious amount
+of the ~7 seconds of block time per height in the Hub.
+
+This may cause slowdown when syncing, since the process needs to constantly verify
+signatures. It's possible that improved signature aggregation will lead to improved
+light client or other syncing performance. In general, a metric should be added
+to track block rate while blocksyncing.
+
+#### Claim: Our use of digital signatures in the consensus protocol contributes to performance issue
+
+Currently, Tendermint's digital signature verification requires that all validators
+receive all vote messages. Each validator must receive the complete digital signature
+along with the vote message that it corresponds to. This means that all N validators
+must receive messages from at least 2/3 of the N validators in each consensus
+round. Given the potential for oddly shaped network topologies and the expected
+variable network roundtrip times of a few hundred milliseconds in a blockchain,
+it is highly likely that this amount of gossiping is leading to a significant amount
+of the slowdown in the Cosmos Hub and in Tendermint consensus.
+
+### Tendermint Event System
+
+#### Claim: The event system is a bottleneck in Tendermint
+
+The Tendermint Event system is used to communicate and store information about
+internal Tendermint execution. The system uses channels internally to send messages
+to different subscribers. Sending an event [blocks on the internal channel][event-send].
+The default configuration is to [use an unbuffered channel for event publishes][event-buffer-capacity].
+Several consumers of the event system also use an unbuffered channel for reads.
+An example of this is the [event indexer][event-indexer-unbuffered], which takes an
+unbuffered subscription to the event system. The result is that these unbuffered readers
+can cause writes to the event system to block or slow down depending on contention in the
+event system. This has implications for the consensus system, which [publishes events][consensus-event-send].
+To better understand the performance of the event system, we should add metrics to track the timing of
+event sends. The following metrics would be a good start for tracking this performance:
+
+* Time in event send, labeled by Event Type
+* Time in event receive, labeled by subscriber
+* Event throughput, measured in events per unit time.
+
+### References
+[modular-hashing]: https://github.com/tendermint/tendermint/pull/6773
+[issue-2186]: https://github.com/tendermint/tendermint/issues/2186
+[issue-2187]: https://github.com/tendermint/tendermint/issues/2187
+[rfc-002]: https://github.com/tendermint/tendermint/pull/6913
+[adr-57]: https://github.com/tendermint/tendermint/blob/master/docs/architecture/adr-057-RPC.md
+[issue-1319]: https://github.com/tendermint/tendermint/issues/1319
+[abci-commit-description]: https://github.com/tendermint/spec/blob/master/spec/abci/apps.md#commit
+[abci-local-client-code]: https://github.com/tendermint/tendermint/blob/511bd3eb7f037855a793a27ff4c53c12f085b570/abci/client/local_client.go#L84
+[hub-signature]: https://github.com/cosmos/gaia/blob/0ecb6ed8a244d835807f1ced49217d54a9ca2070/docs/resources/genesis.md#consensus-parameters
+[ed25519-bench]: https://github.com/oasisprotocol/curve25519-voi/blob/d2e7fc59fe38c18ca990c84c4186cba2cc45b1f9/PERFORMANCE.md
+[event-send]: https://github.com/tendermint/tendermint/blob/5bd3b286a2b715737f6d6c33051b69061d38f8ef/libs/pubsub/pubsub.go#L338
+[event-buffer-capacity]: https://github.com/tendermint/tendermint/blob/5bd3b286a2b715737f6d6c33051b69061d38f8ef/types/event_bus.go#L14
+[event-indexer-unbuffered]: https://github.com/tendermint/tendermint/blob/5bd3b286a2b715737f6d6c33051b69061d38f8ef/state/indexer/indexer_service.go#L39
+[consensus-event-send]: https://github.com/tendermint/tendermint/blob/5bd3b286a2b715737f6d6c33051b69061d38f8ef/internal/consensus/state.go#L1573
+[sdk-query-fix]: https://github.com/cosmos/cosmos-sdk/pull/10045

docs/rfc/rfc-004-e2e-framework.rst

@@ -0,0 +1,213 @@
+========================================
+RFC 004: E2E Test Framework Enhancements
+========================================
+
+Changelog
+---------
+
+- 2021-09-14: started initial draft (@tychoish)
+
+Abstract
+--------
+
+This document discusses a series of improvements to the e2e test framework
+that we can consider during the next few releases to help boost confidence in
+Tendermint releases, and improve developer efficiency.
+
+Background
+----------
+
+During the 0.35 release cycle, the E2E tests were a source of great
+value, helping to identify a number of bugs before release. At the same time,
+the tests were not consistently passing during this time, thereby reducing
+their value, and forcing the core development team to allocate time and energy
+to maintaining and chasing down issues with the e2e tests and the test
+harness. The experience of this release cycle calls to mind a series of
+improvements to the test framework, and this document attempts to capture
+these improvements, along with motivations, and potential for impact.
+
+Projects
+--------
+
+Flexible Workload Generation
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Presently the e2e suite contains a single workload generation pattern, which
+exists simply to ensure that the test networks have some work during their
+runs. However, the shape and volume of the work is very consistent and is very
+gentle to help ensure test reliability.
+
+We don't need a complex workload generation framework, but being able to have 
+a few different workload shapes available for test networks, both generated and
+hand-crafted, would be useful.
+
+Workload patterns/configurations might include:
+
+- transaction targeting patterns (include light nodes, round robin, target
+  individual nodes)
+
+- variable transaction size over time.
+
+- transaction broadcast option (synchronously, checked, fire-and-forget,
+  mixed).
+
+- number of transactions to submit.
+
+- non-transaction workloads: (evidence submission, query, event subscription.)
+
+Configurable Generator
+~~~~~~~~~~~~~~~~~~~~~~
+
+The nightly e2e suite is defined by the `testnet generator
+<https://github.com/tendermint/tendermint/blob/master/test/e2e/generator/generate.go#L13-L65>`_,
+and it's difficult to add dimensions or change the focus of the test suite in
+any way without modifying the implementation of the generator. If the
+generator were more configurable, potentially via a file rather than in
+the Go implementation, we could modify the focus of the test suite on the
+fly.
+
+Features that we might want to configure:
+
+- number of test networks to generate of various topologies, to improve
+  coverage of different configurations.
+
+- test application configurations (to modify the latency of ABCI calls, etc.)
+
+- size of test networks.
+
+- workload shape and behavior.
+
+- initial sync and catch-up configurations.
+
+The workload generator currently provides runtime options for limiting the
+generator to specific types of P2P stacks, and for generating multiple groups
+of test cases to support parallelism. The goal is to extend this pattern and
+avoid hardcoding the matrix of test cases in the generator code.  Once the
+testnet configuration generation behavior is configurable at runtime,
+developers may be able to use the e2e framework to validate changes before
+landing changes that break e2e tests a day later.
+
+In addition to the autogenerated suite, it might make sense to maintain a
+small collection of hand-crafted cases that exercise configurations of
+concern, to run as part of the nightly (or less frequent) loop.
+
+Implementation Plan Structure
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+As a development team, we should determine the features should impact the e2e
+testing early in the development cycle, and if we intend to modify the e2e
+tests to exercise a feature, we should identify this early and begin the
+integration process as early as possible.
+
+To facilitate this, we should adopt a practice whereby we exercise specific
+features that are currently under development more rigorously in the e2e
+suite, and then as development stabilizes we can reduce the number or weight
+of these features in the suite.
+
+As of 0.35 there are essentially two end to end tests: the suite of 64
+generated test networks, and the hand crafted `ci.toml` test case. The
+generated test cases help provide systemtic coverage, while the `ci` run 
+provides coverage for a large number of features. 
+
+Reduce Cycle Time
+~~~~~~~~~~~~~~~~~
+
+One of the barriers to leveraging the e2e framework, and one of the challenges
+in debugging failures, is the cycle time of running a single test iteration is
+quite high: 5 minutes to build the docker image, plus the time to run the test
+or tests.
+
+There are a number of improvements and enhancements that can reduce the cycle
+time in practice:
+
+- reduce the amount of time required to build the docker image used in these
+  tests. Without the dependency on CGo, the tendermint binaries could be
+  (cross) compiled outside of the docker container and then injected into
+  them, which would take better advantage of docker's native caching,
+  although, without the dependency on CGo there would be no hard requirement
+  for the e2e tests to use docker.
+
+- support test parallelism. Because of the way the testnets are orchestrated
+  a single system can really only run one network at a time. For executions
+  (local or remote) with more resources, there's no reason to run a few
+  networks in parallel to reduce the feedback time.
+
+- prune testnet configurations that are unlikely to provide good signal, to
+  shorten the time to feedback.
+
+- apply some kind of tiered approach to test execution, to improve the
+  legibility of the test result. For example order tests by the dependency of
+  their features, or run test networks without perturbations before running
+  that configuration with perturbations, to be able to isolate the impact of
+  specific features.
+
+- orchestrate the test harness directly from go test rather than via a special
+  harness and shell scripts so e2e tests may more naively fit into developers
+  existing workflows.
+
+Many of these improvements, particularly, reducing the build time will also
+reduce the time to get feedback during automated builds.
+
+Deeper Insights
+~~~~~~~~~~~~~~~
+
+When a test network fails, it's incredibly difficult to understand _why_ the
+network failed, as the current system provides very little insight into the
+system outside of the process logs. When a test network stalls or fails
+developers should be able to quickly and easily get a sense of the state of
+the network and all nodes.
+
+Improvements in persuit of this goal, include functionality that would help
+node operators in production environments by improving the quality and utility
+of the logging messages and other reported metrics, but also provide some
+tools to collect and aggregate this data for developers in the context of test
+networks.
+
+- Interleave messages from all nodes in the network to be able to correlate
+  events during the test run.
+
+- Collect structured metrics of the system operation (CPU/MEM/IO) during the
+  test run, as well as from each tendermint/application process.
+
+- Build (simple) tools to be able to render and summarize the data collected
+  during the test run to answer basic questions about test outcome.
+
+Flexible Assertions
+~~~~~~~~~~~~~~~~~~~
+
+Currently, all assertions run for every test network, which makes the
+assertions pretty bland, and the framework primarily useful as a smoke-test
+framework, but it might be useful to be able to write and run different
+tests for different configurations. This could allow us to test outside of the
+happy-path.
+
+In general our existing assertions occupy a fraction of the total test time,
+so the relative cost of adding a few extra test assertions would be of limited
+cost, and could help build confidence.
+
+Additional Kinds of Testing
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The existing e2e suite, exercises networks of nodes that have homogeneous
+tendermint version, stable configuration, that are expected to make
+progress. There are many other possible test configurations that may be
+interesting to engage with. These could include dimensions, such as:
+
+- Multi-version testing to exercise our compatibility guarantees for networks
+  that might have different tendermint versions.
+
+- As a flavor or mult-version testing, include upgrade testing, to build
+  confidence in migration code and procedures.
+
+- Additional test applications, particularly practical-type applciations
+  including some that use gaiad and/or the cosmos-sdk. Test-only applications
+  that simulate other kinds of applications (e.g. variable application
+  operation latency.)
+
+- Tests of "non-viable" configurations that ensure that forbidden combinations
+  lead to halts.
+
+References
+----------
+
+- `ADR 66: End-to-End Testing <../architecture/adr-66-e2e-testing.md>`_

docs/rfc/rfc-005-event-system.rst

@@ -0,0 +1,122 @@
+=====================
+RFC 005: Event System
+=====================
+
+Changelog
+---------
+
+- 2021-09-17: Initial Draft (@tychoish)
+
+Abstract
+--------
+
+The event system within Tendermint, which supports a lot of core
+functionality, also represents a major infrastructural liability. As part of
+our upcoming review of the RPC interfaces and our ongoing thoughts about
+stability and performance, as well as the preparation for Tendermint 1.0, we
+should revisit the design and implementation of the event system. This
+document discusses both the current state of the system and potential
+directions for future improvement.
+
+Background
+----------
+
+Current State of Events
+~~~~~~~~~~~~~~~~~~~~~~~
+
+The event system makes it possible for clients, both internal and external,
+to receive notifications of state replication events, such as new blocks,
+new transactions, validator set changes, as well as intermediate events during
+consensus. Because the event system is very cross cutting, the behavior and
+performance of the event publication and subscription system has huge impacts
+for all of Tendermint.
+
+The subscription service is exposed over the RPC interface, but also powers
+the indexing (e.g. to an external database,) and is the mechanism by which
+`BroadcastTxCommit` is able to wait for transactions to land in a block.
+
+The current pubsub mechanism relies on a couple of buffered channels,
+primarily between all event creators and subscribers, but also for each
+subscription. The result of this design is that, in some situations with the
+right collection of slow subscription consumers the event system can put
+backpressure on the consensus state machine and message gossiping in the
+network, thereby causing nodes to lag.
+
+Improvements
+~~~~~~~~~~~~
+
+The current system relies on implicit, bounded queues built by the buffered channels,
+and though threadsafe, can force all activity within Tendermint to serialize,
+which does not need to happen. Additionally, timeouts for subscription
+consumers related to the implementation of the RPC layer, may complicate the
+use of the system.
+
+References
+~~~~~~~~~~
+
+- Legacy Implementation
+  - `publication of events <https://github.com/tendermint/tendermint/blob/master/libs/pubsub/pubsub.go#L333-L345>`_ 
+  - `send operation <https://github.com/tendermint/tendermint/blob/master/libs/pubsub/pubsub.go#L489-L527>`_ 
+  - `send loop <https://github.com/tendermint/tendermint/blob/master/libs/pubsub/pubsub.go#L381-L402>`_
+- Related RFCs 
+  - `RFC 002: IPC Ecosystem <./rfc-002-ipc-ecosystem.md>`_ 
+  - `RFC 003: Performance Questions <./rfc-003-performance-questions.md>`_ 
+
+Discussion
+----------
+
+Changes to Published Events
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+As part of this process, the Tendermint team should do a study of the existing
+event types and ensure that there are viable production use cases for
+subscriptions to all event types. Instinctively it seems plausible that some
+of the events may not be useable outside of tendermint, (e.g. ``TimeoutWait``
+or ``NewRoundStep``) and it might make sense to remove them. Certainly, it
+would be good to make sure that we don't maintain infrastructure for unused or
+un-useful message indefinitely.
+
+Blocking Subscription
+~~~~~~~~~~~~~~~~~~~~~
+
+The blocking subscription mechanism makes it possible to have *send*
+operations into the subscription channel be un-buffered (the event processing
+channel is still buffered.) In the blocking case, events from one subscription
+can block processing that event for other non-blocking subscriptions. The main
+case, it seems for blocking subscriptions is ensuring that a transaction has
+been committed to a block for ``BroadcastTxCommit``. Removing blocking
+subscriptions entirely, and potentially finding another way to implement
+``BroadcastTxCommit``, could lead to important simplifications and
+improvements to throughput without requiring large changes.
+
+Subscription Identification
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Before `#6386 <https://github.com/tendermint/tendermint/pull/6386>`_, all
+subscriptions were identified by the combination of a client ID and a query,
+and with that change, it became possible to identify all subscription given
+only an ID, but compatibility with the legacy identification means that there's a
+good deal of legacy code as well as client side efficiency that could be
+improved. 
+
+Pubsub Changes
+~~~~~~~~~~~~~~
+
+The pubsub core should be implemented in a way that removes the possibility of
+backpressure from the event system to impact the core system *or* for one
+subscription to impact the behavior of another area of the
+system. Additionally, because the current system is implemented entirely in
+terms of a collection of buffered channels, the event system (and large
+numbers of subscriptions) can be a source of memory pressure. 
+
+These changes could include: 
+
+- explicit cancellation and timeouts promulgated from callers (e.g. RPC end
+  points, etc,) this should be done using contexts.
+
+- subscription system should be able to spill to disk to avoid putting memory
+  pressure on the core behavior of the node (consensus, gossip).
+  
+- subscriptions implemented as cursors rather than channels, with either
+  condition variables to simulate the existing "push" API or a client side
+  iterator API with some kind of long polling-type interface. 

docs/tools/debugging/pro.md

@@ -99,7 +99,7 @@ We’re hoping that these Tendermint tools will become de facto the first respon
 
 Let us know what your experience has been so far! Have you had a chance to try `tendermint debug` or `tendermint inspect` yet?
 
-Join our [discord chat](https://discord.gg/vcExX9T), where we discuss the current issues and future improvements.
+Join our [discord chat](https://discord.gg/cosmosnetwork), where we discuss the current issues and future improvements.
 
 —
 

docs/tutorials/go-built-in.md

@@ -23,6 +23,8 @@ yourself with the syntax.
 By following along with this guide, you'll create a Tendermint Core project
 called kvstore, a (very) simple distributed BFT key-value store.
 
+> Note: please use a released version of Tendermint with this guide. The guides will work with the latest version. Please, do not use master. 
+
 ## Built-in app vs external app
 
 Running your application inside the same process as Tendermint Core will give
@@ -50,10 +52,13 @@ We'll start by creating a new Go project.
 ```bash
 mkdir kvstore
 cd kvstore
+go mod init github.com/<github_username>/<repo_name>
 ```
 
 Inside the example directory create a `main.go` file with the following content:
 
+> Note: there is no need to clone or fork Tendermint in this tutorial. 
+
 ```go
 package main
 
@@ -430,7 +435,7 @@ func newTendermint(app abci.Application, configFile string) (*nm.Node, error) {
   config,
   pv,
   nodeKey,
-  proxy.NewLocalClientCreator(app),
+  abcicli.NewLocalClientCreator(app),
   nm.DefaultGenesisDocProviderFunc(config),
   nm.DefaultDBProvider,
   nm.DefaultMetricsProvider(config.Instrumentation),
@@ -482,7 +487,7 @@ node, err := nm.NewNode(
  config,
  pv,
  nodeKey,
- proxy.NewLocalClientCreator(app),
+ abcicli.NewLocalClientCreator(app),
  nm.DefaultGenesisDocProviderFunc(config),
  nm.DefaultDBProvider,
  nm.DefaultMetricsProvider(config.Instrumentation),
@@ -495,7 +500,7 @@ if err != nil {
 `NewNode` requires a few things including a configuration file, a private
 validator, a node key and a few others in order to construct the full node.
 
-Note we use `proxy.NewLocalClientCreator` here to create a local client instead
+Note we use `abcicli.NewLocalClientCreator` here to create a local client instead
 of one communicating through a socket or gRPC.
 
 [viper](https://github.com/spf13/viper) is being used for reading the config,

docs/versions

@@ -1,4 +1,4 @@
+master                  master
 v0.32.x                 v0.32
 v0.33.x                 v0.33
 v0.34.x                 v0.34
-master                  master

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/btcsuite/btcd v0.22.0-beta
 	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce
 	github.com/fortytw2/leaktest v1.3.0
-	github.com/go-kit/kit v0.11.0
+	github.com/go-kit/kit v0.12.0
 	github.com/gogo/protobuf v1.3.2
 	github.com/golang/protobuf v1.5.2
 	github.com/golangci/golangci-lint v1.42.1
@@ -31,14 +31,14 @@ require (
 	github.com/sasha-s/go-deadlock v0.2.1-0.20190427202633-1595213edefa
 	github.com/snikch/goodman v0.0.0-20171125024755-10e37e294daa
 	github.com/spf13/cobra v1.2.1
-	github.com/spf13/viper v1.8.1
+	github.com/spf13/viper v1.9.0
 	github.com/stretchr/testify v1.7.0
 	github.com/tendermint/tm-db v0.6.4
-	github.com/vektra/mockery/v2 v2.9.0
-	golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a
-	golang.org/x/net v0.0.0-20210428140749-89ef3d95e781
+	github.com/vektra/mockery/v2 v2.9.4
+	golang.org/x/crypto v0.0.0-20210915214749-c084706c2272
+	golang.org/x/net v0.0.0-20210917221730-978cfadd31cf
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	google.golang.org/grpc v1.40.0
+	google.golang.org/grpc v1.41.0
 	gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect
 	pgregory.net/rapid v0.4.7
 )

go.sum

@@ -22,6 +22,11 @@ cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmW
 cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
 cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
 cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
+cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY=
+cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM=
+cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY=
+cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ=
+cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
@@ -31,6 +36,7 @@ cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM7
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
+cloud.google.com/go/firestore v1.6.0/go.mod h1:afJwI0vaXwAG54kI7A//lP/lSPDkQORQuMkv56TxEPU=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
@@ -52,10 +58,13 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
 github.com/BurntSushi/toml v0.4.1 h1:GaI7EiDXDRfa8VshkTj7Fym7ha+y8/XxIgD2okUIjLw=
 github.com/BurntSushi/toml v0.4.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
 github.com/DataDog/zstd v1.4.1 h1:3oxKN3wbHibqx897utPC2LTQU4J+IHWWJO+glkAkpFM=
 github.com/DataDog/zstd v1.4.1/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
 github.com/Djarvur/go-err113 v0.0.0-20210108212216-aea10b59be24 h1:sHglBQTwgx+rWPdisA5ynNEsoARbiCBOyGcJM4/OzsM=
 github.com/Djarvur/go-err113 v0.0.0-20210108212216-aea10b59be24/go.mod h1:4UJr5HIiMZrwgkSPdsjy2uOQExX/WEILpIrO9UPGuXs=
+github.com/HdrHistogram/hdrhistogram-go v1.1.0/go.mod h1:yDgFjdqOqDEKOvasDdhWNXYg9BVp4O+o5f6V/ehm6Oo=
+github.com/HdrHistogram/hdrhistogram-go v1.1.2/go.mod h1:yDgFjdqOqDEKOvasDdhWNXYg9BVp4O+o5f6V/ehm6Oo=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Masterminds/goutils v1.1.0/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
 github.com/Masterminds/semver v1.4.2/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
@@ -82,6 +91,7 @@ github.com/adlio/schema v1.1.13 h1:LeNMVg5Z1FX+Qgz8tJUijBLRdcpbFUElz+d1489On98=
 github.com/adlio/schema v1.1.13/go.mod h1:L5Z7tw+7lRK1Fnpi/LT/ooCP1elkXn0krMWBQHUhEDE=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
+github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
@@ -96,6 +106,7 @@ github.com/aokoli/goutils v1.0.1/go.mod h1:SijmP0QR8LtwsmDs8Yii5Z/S4trXFGFC2oO5g
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
+github.com/armon/go-metrics v0.3.9/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
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@@ -105,10 +116,11 @@ github.com/ashanbrown/makezero v0.0.0-20210520155254-b6261585ddde/go.mod h1:oG9D
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@@ -134,14 +146,16 @@ github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku
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@@ -149,14 +163,16 @@ github.com/chavacava/garif v0.0.0-20210405164556-e8a0a408d6af/go.mod h1:Qjyv4H3/
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@@ -212,6 +228,7 @@ github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5y
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@@ -231,13 +248,15 @@ github.com/fatih/color v1.12.0 h1:mRhaKNwANqRgUBGKmnI5ZxEk7QXmjQeCcuYFMX2bfcc=
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@@ -251,12 +270,14 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2
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@@ -297,12 +318,15 @@ github.com/gogo/protobuf v1.3.0/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXP
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@@ -311,6 +335,7 @@ github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
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@@ -331,8 +356,9 @@ github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx
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@@ -368,12 +394,14 @@ github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -388,6 +416,9 @@ github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLe
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@@ -399,8 +430,8 @@ github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
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@@ -441,19 +472,24 @@ github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t
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@@ -476,7 +512,7 @@ github.com/hashicorp/serf v0.9.5/go.mod h1:UWDWwZeL5cuWDJdl0C6wrvrUwEqtQ4ZKBKKEN
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@@ -505,17 +541,19 @@ github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX
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@@ -527,7 +565,8 @@ github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+o
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@@ -581,8 +620,9 @@ github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hd
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@@ -601,6 +641,7 @@ github.com/mgechev/revive v1.1.1/go.mod h1:PKqk4L74K6wVNwY2b6fr+9Qqr/3hIsHVfZCJd
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@@ -618,14 +659,16 @@ github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS4
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 github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778/go.mod h1:2MuV+tbUrU1zIOPMxZ5EncGwgmMJsa+9ucAQZXxsObs=
@@ -935,14 +987,18 @@ go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/goleak v1.1.11-0.20210813005559-691160354723/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
 go.uber.org/multierr v1.4.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
+go.uber.org/multierr v1.7.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
+go.uber.org/zap v1.19.1/go.mod h1:j3DNczoxDZroyBnOT1L/Q79cfUMGZxlv/9dzN7SM1rI=
 golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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@@ -960,9 +1016,15 @@ golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
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 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
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 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
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@@ -973,6 +1035,7 @@ golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
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 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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@@ -1048,8 +1111,12 @@ golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
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@@ -1062,6 +1129,10 @@ golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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@@ -1139,6 +1210,7 @@ golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -1146,9 +1218,16 @@ golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1159,19 +1238,22 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
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+golang.org/x/tools v0.0.0-20190206041539-40960b6deb8e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190307163923-6a08e3108db3/go.mod h1:25r3+/G6/xytQM8iWZKq3Hn0kr0rgFKPUNVEL/dr3z4=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
@@ -1261,6 +1343,7 @@ golang.org/x/tools v0.0.0-20210104081019-d8d6ddbec6ee/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
+golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
@@ -1271,6 +1354,10 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
+gonum.org/v1/gonum v0.8.2/go.mod h1:oe/vMfY3deqTw+1EZJhuvEW2iwGF1bW9wwu7XCu0+v0=
+gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
+gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
@@ -1294,6 +1381,12 @@ google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjR
 google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
 google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
 google.golang.org/api v0.44.0/go.mod h1:EBOGZqzyhtvMDoxwS97ctnh0zUmYY6CxqXsc1AvkYD8=
+google.golang.org/api v0.47.0/go.mod h1:Wbvgpq1HddcWVtzsVLyfLp8lDg6AA241LmgIL59tHXo=
+google.golang.org/api v0.48.0/go.mod h1:71Pr1vy+TAZRPkPs/xlCf5SsU8WjuAWv1Pfjbtukyy4=
+google.golang.org/api v0.50.0/go.mod h1:4bNT5pAuq5ji4SRZm+5QIkjny9JAyVD/3gaSihNefaw=
+google.golang.org/api v0.51.0/go.mod h1:t4HdrdoNgyN5cbEfm7Lum0lcLDLiise1F8qDKX00sOU=
+google.golang.org/api v0.54.0/go.mod h1:7C4bFFOvVDGXjfDTAsgGwDgAxRDeQ4X8NvUedIt6z3k=
+google.golang.org/api v0.56.0/go.mod h1:38yMfeP1kfjsl8isn0tliTjIb1rJXcQi4UXlbqivdVE=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -1348,8 +1441,20 @@ google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
-google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c h1:wtujag7C+4D6KMoulW9YauvK2lgdvCMS260jsqqBXr0=
+google.golang.org/genproto v0.0.0-20210513213006-bf773b8c8384/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
 google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
+google.golang.org/genproto v0.0.0-20210604141403-392c879c8b08/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
+google.golang.org/genproto v0.0.0-20210608205507-b6d2f5bf0d7d/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
+google.golang.org/genproto v0.0.0-20210624195500-8bfb893ecb84/go.mod h1:SzzZ/N+nwJDaO1kznhnlzqS8ocJICar6hYhVyhi++24=
+google.golang.org/genproto v0.0.0-20210713002101-d411969a0d9a/go.mod h1:AxrInvYm1dci+enl5hChSFPOmmUF1+uAa/UsgNRWd7k=
+google.golang.org/genproto v0.0.0-20210716133855-ce7ef5c701ea/go.mod h1:AxrInvYm1dci+enl5hChSFPOmmUF1+uAa/UsgNRWd7k=
+google.golang.org/genproto v0.0.0-20210728212813-7823e685a01f/go.mod h1:ob2IJxKrgPT52GcgX759i1sleT07tiKowYBGbczaW48=
+google.golang.org/genproto v0.0.0-20210805201207-89edb61ffb67/go.mod h1:ob2IJxKrgPT52GcgX759i1sleT07tiKowYBGbczaW48=
+google.golang.org/genproto v0.0.0-20210813162853-db860fec028c/go.mod h1:cFeNkxwySK631ADgubI+/XFU/xp8FD5KIVV4rj8UC5w=
+google.golang.org/genproto v0.0.0-20210821163610-241b8fcbd6c8/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
+google.golang.org/genproto v0.0.0-20210828152312-66f60bf46e71/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
+google.golang.org/genproto v0.0.0-20210917145530-b395a37504d4 h1:ysnBoUyeL/H6RCvNRhWHjKoDEmguI+mPU+qHgK8qv/w=
+google.golang.org/genproto v0.0.0-20210917145530-b395a37504d4/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
 google.golang.org/grpc v1.8.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
@@ -1374,9 +1479,15 @@ google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA5
 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.40.0 h1:AGJ0Ih4mHjSeibYkFGh1dD9KJ/eOtZ93I6hoHhukQ5Q=
+google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
+google.golang.org/grpc v1.39.1/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
 google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
+google.golang.org/grpc v1.41.0 h1:f+PlOh7QV4iIJkPrx5NQ7qaNGFQ3OTse67yaDHfju4E=
+google.golang.org/grpc v1.41.0/go.mod h1:U3l9uK9J0sini8mHphKoXyaqDA/8VyGnDee1zzIUK6k=
+google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -1406,8 +1517,9 @@ gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
 gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
 gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.63.2 h1:tGK/CyBg7SMzb60vP1M03vNZ3VDu3wGQJwn7Sxi9r3c=
+gopkg.in/ini.v1 v1.63.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
@@ -1448,6 +1560,7 @@ mvdan.cc/unparam v0.0.0-20210104141923-aac4ce9116a7/go.mod h1:hBpJkZE8H/sb+VRFvw
 pgregory.net/rapid v0.4.7 h1:MTNRktPuv5FNqOO151TM9mDTa+XHcX6ypYeISDVD14g=
 pgregory.net/rapid v0.4.7/go.mod h1:UYpPVyjFHzYBGHIxLFoupi8vwk6rXNzRY9OMvVxFIOU=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

internal/blocksync/v0/reactor.go

@@ -6,15 +6,15 @@ import (
 	"sync"
 	"time"
 
-	bc "github.com/tendermint/tendermint/internal/blocksync"
-	cons "github.com/tendermint/tendermint/internal/consensus"
+	"github.com/tendermint/tendermint/internal/blocksync"
+	"github.com/tendermint/tendermint/internal/consensus"
 	"github.com/tendermint/tendermint/internal/p2p"
+	sm "github.com/tendermint/tendermint/internal/state"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/libs/service"
-	tmSync "github.com/tendermint/tendermint/libs/sync"
+	tmsync "github.com/tendermint/tendermint/libs/sync"
 	bcproto "github.com/tendermint/tendermint/proto/tendermint/blocksync"
-	sm "github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -36,7 +36,7 @@ var (
 				Priority:            5,
 				SendQueueCapacity:   1000,
 				RecvBufferCapacity:  1024,
-				RecvMessageCapacity: bc.MaxMsgSize,
+				RecvMessageCapacity: blocksync.MaxMsgSize,
 				MaxSendBytes:        100,
 			},
 		},
@@ -85,7 +85,7 @@ type Reactor struct {
 	store       *store.BlockStore
 	pool        *BlockPool
 	consReactor consensusReactor
-	blockSync   *tmSync.AtomicBool
+	blockSync   *tmsync.AtomicBool
 
 	blockSyncCh *p2p.Channel
 	// blockSyncOutBridgeCh defines a channel that acts as a bridge between sending Envelope
@@ -107,7 +107,7 @@ type Reactor struct {
 	// stopping the p2p Channel(s).
 	poolWG sync.WaitGroup
 
-	metrics *cons.Metrics
+	metrics *consensus.Metrics
 
 	syncStartTime time.Time
 }
@@ -122,7 +122,7 @@ func NewReactor(
 	blockSyncCh *p2p.Channel,
 	peerUpdates *p2p.PeerUpdates,
 	blockSync bool,
-	metrics *cons.Metrics,
+	metrics *consensus.Metrics,
 ) (*Reactor, error) {
 	if state.LastBlockHeight != store.Height() {
 		return nil, fmt.Errorf("state (%v) and store (%v) height mismatch", state.LastBlockHeight, store.Height())
@@ -142,7 +142,7 @@ func NewReactor(
 		store:                store,
 		pool:                 NewBlockPool(startHeight, requestsCh, errorsCh),
 		consReactor:          consReactor,
-		blockSync:            tmSync.NewBool(blockSync),
+		blockSync:            tmsync.NewBool(blockSync),
 		requestsCh:           requestsCh,
 		errorsCh:             errorsCh,
 		blockSyncCh:          blockSyncCh,
@@ -169,6 +169,8 @@ func (r *Reactor) OnStart() error {
 		if err := r.pool.Start(); err != nil {
 			return err
 		}
+		r.poolWG.Add(1)
+		go r.requestRoutine()
 
 		r.poolWG.Add(1)
 		go r.poolRoutine(false)
@@ -384,6 +386,9 @@ func (r *Reactor) SwitchToBlockSync(state sm.State) error {
 
 	r.syncStartTime = time.Now()
 
+	r.poolWG.Add(1)
+	go r.requestRoutine()
+
 	r.poolWG.Add(1)
 	go r.poolRoutine(true)
 
@@ -394,7 +399,6 @@ func (r *Reactor) requestRoutine() {
 	statusUpdateTicker := time.NewTicker(statusUpdateIntervalSeconds * time.Second)
 	defer statusUpdateTicker.Stop()
 
-	r.poolWG.Add(1)
 	defer r.poolWG.Done()
 
 	for {
@@ -455,8 +459,6 @@ func (r *Reactor) poolRoutine(stateSynced bool) {
 	defer trySyncTicker.Stop()
 	defer switchToConsensusTicker.Stop()
 
-	go r.requestRoutine()
-
 	defer r.poolWG.Done()
 
 FOR_LOOP:
@@ -605,6 +607,8 @@ FOR_LOOP:
 
 		case <-r.closeCh:
 			break FOR_LOOP
+		case <-r.pool.Quit():
+			break FOR_LOOP
 		}
 	}
 }

internal/blocksync/v0/reactor_test.go

@@ -6,22 +6,23 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/require"
+	dbm "github.com/tendermint/tm-db"
 
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	abci "github.com/tendermint/tendermint/abci/types"
-	cfg "github.com/tendermint/tendermint/config"
-	cons "github.com/tendermint/tendermint/internal/consensus"
+	"github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/internal/consensus"
 	"github.com/tendermint/tendermint/internal/mempool/mock"
 	"github.com/tendermint/tendermint/internal/p2p"
 	"github.com/tendermint/tendermint/internal/p2p/p2ptest"
+	"github.com/tendermint/tendermint/internal/proxy"
+	sm "github.com/tendermint/tendermint/internal/state"
+	sf "github.com/tendermint/tendermint/internal/state/test/factory"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	"github.com/tendermint/tendermint/libs/log"
 	bcproto "github.com/tendermint/tendermint/proto/tendermint/blocksync"
-	"github.com/tendermint/tendermint/proxy"
-	sm "github.com/tendermint/tendermint/state"
-	sf "github.com/tendermint/tendermint/state/test/factory"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
-	dbm "github.com/tendermint/tm-db"
 )
 
 type reactorTestSuite struct {
@@ -97,7 +98,7 @@ func (rts *reactorTestSuite) addNode(t *testing.T,
 	t.Helper()
 
 	rts.nodes = append(rts.nodes, nodeID)
-	rts.app[nodeID] = proxy.NewAppConns(proxy.NewLocalClientCreator(&abci.BaseApplication{}))
+	rts.app[nodeID] = proxy.NewAppConns(abciclient.NewLocalCreator(&abci.BaseApplication{}))
 	require.NoError(t, rts.app[nodeID].Start())
 
 	blockDB := dbm.NewMemDB()
@@ -164,7 +165,7 @@ func (rts *reactorTestSuite) addNode(t *testing.T,
 		rts.blockSyncChannels[nodeID],
 		rts.peerUpdates[nodeID],
 		rts.blockSync,
-		cons.NopMetrics())
+		consensus.NopMetrics())
 	require.NoError(t, err)
 
 	require.NoError(t, rts.reactors[nodeID].Start())
@@ -181,10 +182,10 @@ func (rts *reactorTestSuite) start(t *testing.T) {
 }
 
 func TestReactor_AbruptDisconnect(t *testing.T) {
-	config := cfg.ResetTestRoot("block_sync_reactor_test")
-	defer os.RemoveAll(config.RootDir)
+	cfg := config.ResetTestRoot("block_sync_reactor_test")
+	defer os.RemoveAll(cfg.RootDir)
 
-	genDoc, privVals := factory.RandGenesisDoc(config, 1, false, 30)
+	genDoc, privVals := factory.RandGenesisDoc(cfg, 1, false, 30)
 	maxBlockHeight := int64(64)
 
 	rts := setup(t, genDoc, privVals[0], []int64{maxBlockHeight, 0}, 0)
@@ -216,10 +217,10 @@ func TestReactor_AbruptDisconnect(t *testing.T) {
 }
 
 func TestReactor_SyncTime(t *testing.T) {
-	config := cfg.ResetTestRoot("block_sync_reactor_test")
-	defer os.RemoveAll(config.RootDir)
+	cfg := config.ResetTestRoot("block_sync_reactor_test")
+	defer os.RemoveAll(cfg.RootDir)
 
-	genDoc, privVals := factory.RandGenesisDoc(config, 1, false, 30)
+	genDoc, privVals := factory.RandGenesisDoc(cfg, 1, false, 30)
 	maxBlockHeight := int64(101)
 
 	rts := setup(t, genDoc, privVals[0], []int64{maxBlockHeight, 0}, 0)
@@ -239,10 +240,10 @@ func TestReactor_SyncTime(t *testing.T) {
 }
 
 func TestReactor_NoBlockResponse(t *testing.T) {
-	config := cfg.ResetTestRoot("block_sync_reactor_test")
-	defer os.RemoveAll(config.RootDir)
+	cfg := config.ResetTestRoot("block_sync_reactor_test")
+	defer os.RemoveAll(cfg.RootDir)
 
-	genDoc, privVals := factory.RandGenesisDoc(config, 1, false, 30)
+	genDoc, privVals := factory.RandGenesisDoc(cfg, 1, false, 30)
 	maxBlockHeight := int64(65)
 
 	rts := setup(t, genDoc, privVals[0], []int64{maxBlockHeight, 0}, 0)
@@ -286,11 +287,11 @@ func TestReactor_BadBlockStopsPeer(t *testing.T) {
 	// See: https://github.com/tendermint/tendermint/issues/6005
 	t.SkipNow()
 
-	config := cfg.ResetTestRoot("block_sync_reactor_test")
-	defer os.RemoveAll(config.RootDir)
+	cfg := config.ResetTestRoot("block_sync_reactor_test")
+	defer os.RemoveAll(cfg.RootDir)
 
 	maxBlockHeight := int64(48)
-	genDoc, privVals := factory.RandGenesisDoc(config, 1, false, 30)
+	genDoc, privVals := factory.RandGenesisDoc(cfg, 1, false, 30)
 
 	rts := setup(t, genDoc, privVals[0], []int64{maxBlockHeight, 0, 0, 0, 0}, 1000)
 
@@ -324,7 +325,7 @@ func TestReactor_BadBlockStopsPeer(t *testing.T) {
 	//
 	// XXX: This causes a potential race condition.
 	// See: https://github.com/tendermint/tendermint/issues/6005
-	otherGenDoc, otherPrivVals := factory.RandGenesisDoc(config, 1, false, 30)
+	otherGenDoc, otherPrivVals := factory.RandGenesisDoc(cfg, 1, false, 30)
 	newNode := rts.network.MakeNode(t, p2ptest.NodeOptions{
 		MaxPeers:     uint16(len(rts.nodes) + 1),
 		MaxConnected: uint16(len(rts.nodes) + 1),

internal/blocksync/v2/io.go

@@ -5,8 +5,8 @@ import (
 
 	"github.com/gogo/protobuf/proto"
 	"github.com/tendermint/tendermint/internal/p2p"
+	"github.com/tendermint/tendermint/internal/state"
 	bcproto "github.com/tendermint/tendermint/proto/tendermint/blocksync"
-	"github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
 )
 

internal/blocksync/v2/processor.go

@@ -3,7 +3,7 @@ package v2
 import (
 	"fmt"
 
-	tmState "github.com/tendermint/tendermint/state"
+	tmstate "github.com/tendermint/tendermint/internal/state"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -36,7 +36,7 @@ func (e pcBlockProcessed) String() string {
 type pcFinished struct {
 	priorityNormal
 	blocksSynced int
-	tmState      tmState.State
+	tmState      tmstate.State
 }
 
 func (p pcFinished) Error() string {
@@ -148,11 +148,11 @@ func (state *pcState) handle(event Event) (Event, error) {
 		return noOp, nil
 
 	case rProcessBlock:
-		tmState := state.context.tmState()
+		tmstate := state.context.tmState()
 		firstItem, secondItem, err := state.nextTwo()
 		if err != nil {
 			if state.draining {
-				return pcFinished{tmState: tmState, blocksSynced: state.blocksSynced}, nil
+				return pcFinished{tmState: tmstate, blocksSynced: state.blocksSynced}, nil
 			}
 			return noOp, nil
 		}
@@ -164,7 +164,7 @@ func (state *pcState) handle(event Event) (Event, error) {
 		)
 
 		// verify if +second+ last commit "confirms" +first+ block
-		err = state.context.verifyCommit(tmState.ChainID, firstID, first.Height, second.LastCommit)
+		err = state.context.verifyCommit(tmstate.ChainID, firstID, first.Height, second.LastCommit)
 		if err != nil {
 			state.purgePeer(firstItem.peerID)
 			if firstItem.peerID != secondItem.peerID {

internal/blocksync/v2/processor_context.go

@@ -3,8 +3,8 @@ package v2
 import (
 	"fmt"
 
-	cons "github.com/tendermint/tendermint/internal/consensus"
-	"github.com/tendermint/tendermint/state"
+	"github.com/tendermint/tendermint/internal/consensus"
+	"github.com/tendermint/tendermint/internal/state"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -21,10 +21,10 @@ type pContext struct {
 	store   blockStore
 	applier blockApplier
 	state   state.State
-	metrics *cons.Metrics
+	metrics *consensus.Metrics
 }
 
-func newProcessorContext(st blockStore, ex blockApplier, s state.State, m *cons.Metrics) *pContext {
+func newProcessorContext(st blockStore, ex blockApplier, s state.State, m *consensus.Metrics) *pContext {
 	return &pContext{
 		store:   st,
 		applier: ex,

internal/blocksync/v2/processor_test.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 
-	tmState "github.com/tendermint/tendermint/state"
+	tmstate "github.com/tendermint/tendermint/internal/state"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -33,7 +33,7 @@ func makePcBlock(height int64) *types.Block {
 // makeState takes test parameters and creates a specific processor state.
 func makeState(p *params) *pcState {
 	var (
-		tmState = tmState.State{LastBlockHeight: p.height}
+		tmState = tmstate.State{LastBlockHeight: p.height}
 		context = newMockProcessorContext(tmState, p.verBL, p.appBL)
 	)
 	state := newPcState(context)
@@ -207,7 +207,7 @@ func TestRProcessBlockSuccess(t *testing.T) {
 				{ // finish when H+1 or/and H+2 are missing
 					event:         rProcessBlock{},
 					wantState:     &params{height: 1, items: []pcBlock{{"P2", 2}, {"P1", 4}}, blocksSynced: 1, draining: true},
-					wantNextEvent: pcFinished{tmState: tmState.State{LastBlockHeight: 1}, blocksSynced: 1},
+					wantNextEvent: pcFinished{tmState: tmstate.State{LastBlockHeight: 1}, blocksSynced: 1},
 				},
 			},
 		},
@@ -271,7 +271,7 @@ func TestScFinishedEv(t *testing.T) {
 				{
 					currentState: &params{height: 100, items: []pcBlock{}, blocksSynced: 100}, event: scFinishedEv{},
 					wantState:     &params{height: 100, items: []pcBlock{}, blocksSynced: 100},
-					wantNextEvent: pcFinished{tmState: tmState.State{LastBlockHeight: 100}, blocksSynced: 100},
+					wantNextEvent: pcFinished{tmState: tmstate.State{LastBlockHeight: 100}, blocksSynced: 100},
 				},
 			},
 		},
@@ -282,7 +282,7 @@ func TestScFinishedEv(t *testing.T) {
 					currentState: &params{height: 100, items: []pcBlock{
 						{"P1", 101}}, blocksSynced: 100}, event: scFinishedEv{},
 					wantState:     &params{height: 100, items: []pcBlock{{"P1", 101}}, blocksSynced: 100},
-					wantNextEvent: pcFinished{tmState: tmState.State{LastBlockHeight: 100}, blocksSynced: 100},
+					wantNextEvent: pcFinished{tmState: tmstate.State{LastBlockHeight: 100}, blocksSynced: 100},
 				},
 			},
 		},

internal/blocksync/v2/reactor.go

@@ -5,17 +5,17 @@ import (
 	"fmt"
 	"time"
 
-	proto "github.com/gogo/protobuf/proto"
+	"github.com/gogo/protobuf/proto"
 
-	bc "github.com/tendermint/tendermint/internal/blocksync"
+	"github.com/tendermint/tendermint/internal/blocksync"
 	"github.com/tendermint/tendermint/internal/blocksync/v2/internal/behavior"
-	cons "github.com/tendermint/tendermint/internal/consensus"
+	"github.com/tendermint/tendermint/internal/consensus"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
 	"github.com/tendermint/tendermint/internal/p2p"
+	"github.com/tendermint/tendermint/internal/state"
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/libs/sync"
 	bcproto "github.com/tendermint/tendermint/proto/tendermint/blocksync"
-	"github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -61,7 +61,7 @@ type blockApplier interface {
 
 // XXX: unify naming in this package around tmState
 func newReactor(state state.State, store blockStore, reporter behavior.Reporter,
-	blockApplier blockApplier, blockSync bool, metrics *cons.Metrics) *BlockchainReactor {
+	blockApplier blockApplier, blockSync bool, metrics *consensus.Metrics) *BlockchainReactor {
 	initHeight := state.LastBlockHeight + 1
 	if initHeight == 1 {
 		initHeight = state.InitialHeight
@@ -91,7 +91,7 @@ func NewBlockchainReactor(
 	blockApplier blockApplier,
 	store blockStore,
 	blockSync bool,
-	metrics *cons.Metrics) *BlockchainReactor {
+	metrics *consensus.Metrics) *BlockchainReactor {
 	reporter := behavior.NewMockReporter()
 	return newReactor(state, store, reporter, blockApplier, blockSync, metrics)
 }
@@ -605,7 +605,7 @@ func (r *BlockchainReactor) GetChannels() []*p2p.ChannelDescriptor {
 			Priority:            5,
 			SendQueueCapacity:   2000,
 			RecvBufferCapacity:  1024,
-			RecvMessageCapacity: bc.MaxMsgSize,
+			RecvMessageCapacity: blocksync.MaxMsgSize,
 		},
 	}
 }

internal/blocksync/v2/reactor_test.go

@@ -13,21 +13,22 @@ import (
 	"github.com/stretchr/testify/require"
 	dbm "github.com/tendermint/tm-db"
 
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	abci "github.com/tendermint/tendermint/abci/types"
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/internal/blocksync/v2/internal/behavior"
-	cons "github.com/tendermint/tendermint/internal/consensus"
+	"github.com/tendermint/tendermint/internal/consensus"
 	"github.com/tendermint/tendermint/internal/mempool/mock"
 	"github.com/tendermint/tendermint/internal/p2p"
 	"github.com/tendermint/tendermint/internal/p2p/conn"
+	"github.com/tendermint/tendermint/internal/proxy"
+	sm "github.com/tendermint/tendermint/internal/state"
+	sf "github.com/tendermint/tendermint/internal/state/test/factory"
+	tmstore "github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/libs/service"
 	bcproto "github.com/tendermint/tendermint/proto/tendermint/blocksync"
-	"github.com/tendermint/tendermint/proxy"
-	sm "github.com/tendermint/tendermint/state"
-	sf "github.com/tendermint/tendermint/state/test/factory"
-	tmstore "github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -163,7 +164,7 @@ func newTestReactor(t *testing.T, p testReactorParams) *BlockchainReactor {
 		appl = &mockBlockApplier{}
 	} else {
 		app := &testApp{}
-		cc := proxy.NewLocalClientCreator(app)
+		cc := abciclient.NewLocalCreator(app)
 		proxyApp := proxy.NewAppConns(cc)
 		err := proxyApp.Start()
 		require.NoError(t, err)
@@ -176,7 +177,7 @@ func newTestReactor(t *testing.T, p testReactorParams) *BlockchainReactor {
 		require.NoError(t, err)
 	}
 
-	r := newReactor(state, store, reporter, appl, true, cons.NopMetrics())
+	r := newReactor(state, store, reporter, appl, true, consensus.NopMetrics())
 	logger := log.TestingLogger()
 	r.SetLogger(logger.With("module", "blockchain"))
 
@@ -187,176 +188,176 @@ func newTestReactor(t *testing.T, p testReactorParams) *BlockchainReactor {
 // future improvement in [#4482](https://github.com/tendermint/tendermint/issues/4482).
 // func TestReactorTerminationScenarios(t *testing.T) {
 
-// 	config := cfg.ResetTestRoot("blockchain_reactor_v2_test")
-// 	defer os.RemoveAll(config.RootDir)
-// 	genDoc, privVals := randGenesisDoc(config.ChainID(), 1, false, 30)
-// 	refStore, _, _ := newReactorStore(genDoc, privVals, 20)
+//	config := cfg.ResetTestRoot("blockchain_reactor_v2_test")
+//	defer os.RemoveAll(config.RootDir)
+//	genDoc, privVals := randGenesisDoc(config.ChainID(), 1, false, 30)
+//	refStore, _, _ := newReactorStore(genDoc, privVals, 20)
 
-// 	params := testReactorParams{
-// 		logger:      log.TestingLogger(),
-// 		genDoc:      genDoc,
-// 		privVals:    privVals,
-// 		startHeight: 10,
-// 		bufferSize:  100,
-// 		mockA:       true,
-// 	}
+//	params := testReactorParams{
+//		logger:      log.TestingLogger(),
+//		genDoc:      genDoc,
+//		privVals:    privVals,
+//		startHeight: 10,
+//		bufferSize:  100,
+//		mockA:       true,
+//	}
 
-// 	type testEvent struct {
-// 		evType string
-// 		peer   string
-// 		height int64
-// 	}
+//	type testEvent struct {
+//		evType string
+//		peer   string
+//		height int64
+//	}
 
-// 	tests := []struct {
-// 		name   string
-// 		params testReactorParams
-// 		msgs   []testEvent
-// 	}{
-// 		{
-// 			name:   "simple termination on max peer height - one peer",
-// 			params: params,
-// 			msgs: []testEvent{
-// 				{evType: "AddPeer", peer: "P1"},
-// 				{evType: "ReceiveS", peer: "P1", height: 13},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P1", height: 11},
-// 				{evType: "BlockReq"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P1", height: 12},
-// 				{evType: "Process"},
-// 				{evType: "ReceiveB", peer: "P1", height: 13},
-// 				{evType: "Process"},
-// 			},
-// 		},
-// 		{
-// 			name:   "simple termination on max peer height - two peers",
-// 			params: params,
-// 			msgs: []testEvent{
-// 				{evType: "AddPeer", peer: "P1"},
-// 				{evType: "AddPeer", peer: "P2"},
-// 				{evType: "ReceiveS", peer: "P1", height: 13},
-// 				{evType: "ReceiveS", peer: "P2", height: 15},
-// 				{evType: "BlockReq"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P1", height: 11},
-// 				{evType: "ReceiveB", peer: "P2", height: 12},
-// 				{evType: "Process"},
-// 				{evType: "BlockReq"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P1", height: 13},
-// 				{evType: "Process"},
-// 				{evType: "ReceiveB", peer: "P2", height: 14},
-// 				{evType: "Process"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P2", height: 15},
-// 				{evType: "Process"},
-// 			},
-// 		},
-// 		{
-// 			name:   "termination on max peer height - two peers, noBlock error",
-// 			params: params,
-// 			msgs: []testEvent{
-// 				{evType: "AddPeer", peer: "P1"},
-// 				{evType: "AddPeer", peer: "P2"},
-// 				{evType: "ReceiveS", peer: "P1", height: 13},
-// 				{evType: "ReceiveS", peer: "P2", height: 15},
-// 				{evType: "BlockReq"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveNB", peer: "P1", height: 11},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P2", height: 12},
-// 				{evType: "ReceiveB", peer: "P2", height: 11},
-// 				{evType: "Process"},
-// 				{evType: "BlockReq"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P2", height: 13},
-// 				{evType: "Process"},
-// 				{evType: "ReceiveB", peer: "P2", height: 14},
-// 				{evType: "Process"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P2", height: 15},
-// 				{evType: "Process"},
-// 			},
-// 		},
-// 		{
-// 			name:   "termination on max peer height - two peers, remove one peer",
-// 			params: params,
-// 			msgs: []testEvent{
-// 				{evType: "AddPeer", peer: "P1"},
-// 				{evType: "AddPeer", peer: "P2"},
-// 				{evType: "ReceiveS", peer: "P1", height: 13},
-// 				{evType: "ReceiveS", peer: "P2", height: 15},
-// 				{evType: "BlockReq"},
-// 				{evType: "BlockReq"},
-// 				{evType: "RemovePeer", peer: "P1"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P2", height: 12},
-// 				{evType: "ReceiveB", peer: "P2", height: 11},
-// 				{evType: "Process"},
-// 				{evType: "BlockReq"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P2", height: 13},
-// 				{evType: "Process"},
-// 				{evType: "ReceiveB", peer: "P2", height: 14},
-// 				{evType: "Process"},
-// 				{evType: "BlockReq"},
-// 				{evType: "ReceiveB", peer: "P2", height: 15},
-// 				{evType: "Process"},
-// 			},
-// 		},
-// 	}
+//	tests := []struct {
+//		name   string
+//		params testReactorParams
+//		msgs   []testEvent
+//	}{
+//		{
+//			name:   "simple termination on max peer height - one peer",
+//			params: params,
+//			msgs: []testEvent{
+//				{evType: "AddPeer", peer: "P1"},
+//				{evType: "ReceiveS", peer: "P1", height: 13},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P1", height: 11},
+//				{evType: "BlockReq"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P1", height: 12},
+//				{evType: "Process"},
+//				{evType: "ReceiveB", peer: "P1", height: 13},
+//				{evType: "Process"},
+//			},
+//		},
+//		{
+//			name:   "simple termination on max peer height - two peers",
+//			params: params,
+//			msgs: []testEvent{
+//				{evType: "AddPeer", peer: "P1"},
+//				{evType: "AddPeer", peer: "P2"},
+//				{evType: "ReceiveS", peer: "P1", height: 13},
+//				{evType: "ReceiveS", peer: "P2", height: 15},
+//				{evType: "BlockReq"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P1", height: 11},
+//				{evType: "ReceiveB", peer: "P2", height: 12},
+//				{evType: "Process"},
+//				{evType: "BlockReq"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P1", height: 13},
+//				{evType: "Process"},
+//				{evType: "ReceiveB", peer: "P2", height: 14},
+//				{evType: "Process"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P2", height: 15},
+//				{evType: "Process"},
+//			},
+//		},
+//		{
+//			name:   "termination on max peer height - two peers, noBlock error",
+//			params: params,
+//			msgs: []testEvent{
+//				{evType: "AddPeer", peer: "P1"},
+//				{evType: "AddPeer", peer: "P2"},
+//				{evType: "ReceiveS", peer: "P1", height: 13},
+//				{evType: "ReceiveS", peer: "P2", height: 15},
+//				{evType: "BlockReq"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveNB", peer: "P1", height: 11},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P2", height: 12},
+//				{evType: "ReceiveB", peer: "P2", height: 11},
+//				{evType: "Process"},
+//				{evType: "BlockReq"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P2", height: 13},
+//				{evType: "Process"},
+//				{evType: "ReceiveB", peer: "P2", height: 14},
+//				{evType: "Process"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P2", height: 15},
+//				{evType: "Process"},
+//			},
+//		},
+//		{
+//			name:   "termination on max peer height - two peers, remove one peer",
+//			params: params,
+//			msgs: []testEvent{
+//				{evType: "AddPeer", peer: "P1"},
+//				{evType: "AddPeer", peer: "P2"},
+//				{evType: "ReceiveS", peer: "P1", height: 13},
+//				{evType: "ReceiveS", peer: "P2", height: 15},
+//				{evType: "BlockReq"},
+//				{evType: "BlockReq"},
+//				{evType: "RemovePeer", peer: "P1"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P2", height: 12},
+//				{evType: "ReceiveB", peer: "P2", height: 11},
+//				{evType: "Process"},
+//				{evType: "BlockReq"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P2", height: 13},
+//				{evType: "Process"},
+//				{evType: "ReceiveB", peer: "P2", height: 14},
+//				{evType: "Process"},
+//				{evType: "BlockReq"},
+//				{evType: "ReceiveB", peer: "P2", height: 15},
+//				{evType: "Process"},
+//			},
+//		},
+//	}
 
-// 	for _, tt := range tests {
-// 		tt := tt
-// 		t.Run(tt.name, func(t *testing.T) {
-// 			reactor := newTestReactor(params)
-// 			reactor.Start()
-// 			reactor.reporter = behavior.NewMockReporter()
-// 			mockSwitch := &mockSwitchIo{switchedToConsensus: false}
-// 			reactor.io = mockSwitch
-// 			// time for go routines to start
-// 			time.Sleep(time.Millisecond)
+//	for _, tt := range tests {
+//		tt := tt
+//		t.Run(tt.name, func(t *testing.T) {
+//			reactor := newTestReactor(params)
+//			reactor.Start()
+//			reactor.reporter = behavior.NewMockReporter()
+//			mockSwitch := &mockSwitchIo{switchedToConsensus: false}
+//			reactor.io = mockSwitch
+//			// time for go routines to start
+//			time.Sleep(time.Millisecond)
 
-// 			for _, step := range tt.msgs {
-// 				switch step.evType {
-// 				case "AddPeer":
-// 					reactor.scheduler.send(bcAddNewPeer{peerID: p2p.ID(step.peer)})
-// 				case "RemovePeer":
-// 					reactor.scheduler.send(bcRemovePeer{peerID: p2p.ID(step.peer)})
-// 				case "ReceiveS":
-// 					reactor.scheduler.send(bcStatusResponse{
-// 						peerID: p2p.ID(step.peer),
-// 						height: step.height,
-// 						time:   time.Now(),
-// 					})
-// 				case "ReceiveB":
-// 					reactor.scheduler.send(bcBlockResponse{
-// 						peerID: p2p.ID(step.peer),
-// 						block:  refStore.LoadBlock(step.height),
-// 						size:   10,
-// 						time:   time.Now(),
-// 					})
-// 				case "ReceiveNB":
-// 					reactor.scheduler.send(bcNoBlockResponse{
-// 						peerID: p2p.ID(step.peer),
-// 						height: step.height,
-// 						time:   time.Now(),
-// 					})
-// 				case "BlockReq":
-// 					reactor.scheduler.send(rTrySchedule{time: time.Now()})
-// 				case "Process":
-// 					reactor.processor.send(rProcessBlock{})
-// 				}
-// 				// give time for messages to propagate between routines
-// 				time.Sleep(time.Millisecond)
-// 			}
+//			for _, step := range tt.msgs {
+//				switch step.evType {
+//				case "AddPeer":
+//					reactor.scheduler.send(bcAddNewPeer{peerID: p2p.ID(step.peer)})
+//				case "RemovePeer":
+//					reactor.scheduler.send(bcRemovePeer{peerID: p2p.ID(step.peer)})
+//				case "ReceiveS":
+//					reactor.scheduler.send(bcStatusResponse{
+//						peerID: p2p.ID(step.peer),
+//						height: step.height,
+//						time:   time.Now(),
+//					})
+//				case "ReceiveB":
+//					reactor.scheduler.send(bcBlockResponse{
+//						peerID: p2p.ID(step.peer),
+//						block:  refStore.LoadBlock(step.height),
+//						size:   10,
+//						time:   time.Now(),
+//					})
+//				case "ReceiveNB":
+//					reactor.scheduler.send(bcNoBlockResponse{
+//						peerID: p2p.ID(step.peer),
+//						height: step.height,
+//						time:   time.Now(),
+//					})
+//				case "BlockReq":
+//					reactor.scheduler.send(rTrySchedule{time: time.Now()})
+//				case "Process":
+//					reactor.processor.send(rProcessBlock{})
+//				}
+//				// give time for messages to propagate between routines
+//				time.Sleep(time.Millisecond)
+//			}
 
-// 			// time for processor to finish and reactor to switch to consensus
-// 			time.Sleep(20 * time.Millisecond)
-// 			assert.True(t, mockSwitch.hasSwitchedToConsensus())
-// 			reactor.Stop()
-// 		})
-// 	}
+//			// time for processor to finish and reactor to switch to consensus
+//			time.Sleep(20 * time.Millisecond)
+//			assert.True(t, mockSwitch.hasSwitchedToConsensus())
+//			reactor.Stop()
+//		})
+//	}
 // }
 
 func TestReactorHelperMode(t *testing.T) {
@@ -364,9 +365,9 @@ func TestReactorHelperMode(t *testing.T) {
 		channelID = byte(0x40)
 	)
 
-	config := cfg.ResetTestRoot("blockchain_reactor_v2_test")
-	defer os.RemoveAll(config.RootDir)
-	genDoc, privVals := factory.RandGenesisDoc(config, 1, false, 30)
+	cfg := config.ResetTestRoot("blockchain_reactor_v2_test")
+	defer os.RemoveAll(cfg.RootDir)
+	genDoc, privVals := factory.RandGenesisDoc(cfg, 1, false, 30)
 
 	params := testReactorParams{
 		logger:      log.TestingLogger(),
@@ -454,9 +455,9 @@ func TestReactorHelperMode(t *testing.T) {
 }
 
 func TestReactorSetSwitchNil(t *testing.T) {
-	config := cfg.ResetTestRoot("blockchain_reactor_v2_test")
-	defer os.RemoveAll(config.RootDir)
-	genDoc, privVals := factory.RandGenesisDoc(config, 1, false, 30)
+	cfg := config.ResetTestRoot("blockchain_reactor_v2_test")
+	defer os.RemoveAll(cfg.RootDir)
+	genDoc, privVals := factory.RandGenesisDoc(cfg, 1, false, 30)
 
 	reactor := newTestReactor(t, testReactorParams{
 		logger:   log.TestingLogger(),
@@ -482,7 +483,7 @@ func newReactorStore(
 
 	require.Len(t, privVals, 1)
 	app := &testApp{}
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	proxyApp := proxy.NewAppConns(cc)
 	err := proxyApp.Start()
 	if err != nil {

internal/blocksync/v2/scheduler_test.go

@@ -10,7 +10,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/tendermint/tendermint/state"
+	"github.com/tendermint/tendermint/internal/state"
 	"github.com/tendermint/tendermint/types"
 )
 

internal/consensus/byzantine_test.go

@@ -10,20 +10,21 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	abcicli "github.com/tendermint/tendermint/abci/client"
+	dbm "github.com/tendermint/tm-db"
+
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	abci "github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/internal/evidence"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
 	mempoolv0 "github.com/tendermint/tendermint/internal/mempool/v0"
 	"github.com/tendermint/tendermint/internal/p2p"
+	sm "github.com/tendermint/tendermint/internal/state"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	"github.com/tendermint/tendermint/libs/log"
 	tmcons "github.com/tendermint/tendermint/proto/tendermint/consensus"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	sm "github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
-	dbm "github.com/tendermint/tm-db"
 )
 
 // Byzantine node sends two different prevotes (nil and blockID) to the same
@@ -62,8 +63,8 @@ func TestByzantinePrevoteEquivocation(t *testing.T) {
 
 			// one for mempool, one for consensus
 			mtx := new(tmsync.RWMutex)
-			proxyAppConnMem := abcicli.NewLocalClient(mtx, app)
-			proxyAppConnCon := abcicli.NewLocalClient(mtx, app)
+			proxyAppConnMem := abciclient.NewLocalClient(mtx, app)
+			proxyAppConnCon := abciclient.NewLocalClient(mtx, app)
 
 			// Make Mempool
 			mempool := mempoolv0.NewCListMempool(thisConfig.Mempool, proxyAppConnMem, 0)

internal/consensus/common_test.go

@@ -7,24 +7,24 @@ import (
 	"io"
 	"io/ioutil"
 	"os"
+	"path"
 	"path/filepath"
 	"sync"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/require"
-
-	"path"
-
 	dbm "github.com/tendermint/tm-db"
 
-	abcicli "github.com/tendermint/tendermint/abci/client"
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	abci "github.com/tendermint/tendermint/abci/types"
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	cstypes "github.com/tendermint/tendermint/internal/consensus/types"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
 	mempoolv0 "github.com/tendermint/tendermint/internal/mempool/v0"
+	sm "github.com/tendermint/tendermint/internal/state"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	tmbytes "github.com/tendermint/tendermint/libs/bytes"
 	"github.com/tendermint/tendermint/libs/log"
@@ -33,8 +33,6 @@ import (
 	tmtime "github.com/tendermint/tendermint/libs/time"
 	"github.com/tendermint/tendermint/privval"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	sm "github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -49,10 +47,10 @@ const (
 // test.
 type cleanupFunc func()
 
-func configSetup(t *testing.T) *cfg.Config {
+func configSetup(t *testing.T) *config.Config {
 	t.Helper()
 
-	config := ResetConfig("consensus_reactor_test")
+	cfg := ResetConfig("consensus_reactor_test")
 
 	consensusReplayConfig := ResetConfig("consensus_replay_test")
 	configStateTest := ResetConfig("consensus_state_test")
@@ -60,13 +58,13 @@ func configSetup(t *testing.T) *cfg.Config {
 	configByzantineTest := ResetConfig("consensus_byzantine_test")
 
 	t.Cleanup(func() {
-		os.RemoveAll(config.RootDir)
+		os.RemoveAll(cfg.RootDir)
 		os.RemoveAll(consensusReplayConfig.RootDir)
 		os.RemoveAll(configStateTest.RootDir)
 		os.RemoveAll(configMempoolTest.RootDir)
 		os.RemoveAll(configByzantineTest.RootDir)
 	})
-	return config
+	return cfg
 }
 
 func ensureDir(dir string, mode os.FileMode) {
@@ -75,8 +73,8 @@ func ensureDir(dir string, mode os.FileMode) {
 	}
 }
 
-func ResetConfig(name string) *cfg.Config {
-	return cfg.ResetTestRoot(name)
+func ResetConfig(name string) *config.Config {
+	return config.ResetTestRoot(name)
 }
 
 //-------------------------------------------------------------------------------
@@ -102,7 +100,7 @@ func newValidatorStub(privValidator types.PrivValidator, valIndex int32) *valida
 }
 
 func (vs *validatorStub) signVote(
-	config *cfg.Config,
+	cfg *config.Config,
 	voteType tmproto.SignedMsgType,
 	hash []byte,
 	header types.PartSetHeader) (*types.Vote, error) {
@@ -122,7 +120,7 @@ func (vs *validatorStub) signVote(
 		BlockID:          types.BlockID{Hash: hash, PartSetHeader: header},
 	}
 	v := vote.ToProto()
-	if err := vs.PrivValidator.SignVote(context.Background(), config.ChainID(), v); err != nil {
+	if err := vs.PrivValidator.SignVote(context.Background(), cfg.ChainID(), v); err != nil {
 		return nil, fmt.Errorf("sign vote failed: %w", err)
 	}
 
@@ -141,12 +139,12 @@ func (vs *validatorStub) signVote(
 // Sign vote for type/hash/header
 func signVote(
 	vs *validatorStub,
-	config *cfg.Config,
+	cfg *config.Config,
 	voteType tmproto.SignedMsgType,
 	hash []byte,
 	header types.PartSetHeader) *types.Vote {
 
-	v, err := vs.signVote(config, voteType, hash, header)
+	v, err := vs.signVote(cfg, voteType, hash, header)
 	if err != nil {
 		panic(fmt.Errorf("failed to sign vote: %v", err))
 	}
@@ -157,14 +155,14 @@ func signVote(
 }
 
 func signVotes(
-	config *cfg.Config,
+	cfg *config.Config,
 	voteType tmproto.SignedMsgType,
 	hash []byte,
 	header types.PartSetHeader,
 	vss ...*validatorStub) []*types.Vote {
 	votes := make([]*types.Vote, len(vss))
 	for i, vs := range vss {
-		votes[i] = signVote(vs, config, voteType, hash, header)
+		votes[i] = signVote(vs, cfg, voteType, hash, header)
 	}
 	return votes
 }
@@ -255,14 +253,14 @@ func addVotes(to *State, votes ...*types.Vote) {
 }
 
 func signAddVotes(
-	config *cfg.Config,
+	cfg *config.Config,
 	to *State,
 	voteType tmproto.SignedMsgType,
 	hash []byte,
 	header types.PartSetHeader,
 	vss ...*validatorStub,
 ) {
-	votes := signVotes(config, voteType, hash, header, vss...)
+	votes := signVotes(cfg, voteType, hash, header, vss...)
 	addVotes(to, votes...)
 }
 
@@ -387,12 +385,12 @@ func subscribeToVoter(cs *State, addr []byte) <-chan tmpubsub.Message {
 // consensus states
 
 func newState(state sm.State, pv types.PrivValidator, app abci.Application) *State {
-	config := cfg.ResetTestRoot("consensus_state_test")
-	return newStateWithConfig(config, state, pv, app)
+	cfg := config.ResetTestRoot("consensus_state_test")
+	return newStateWithConfig(cfg, state, pv, app)
 }
 
 func newStateWithConfig(
-	thisConfig *cfg.Config,
+	thisConfig *config.Config,
 	state sm.State,
 	pv types.PrivValidator,
 	app abci.Application,
@@ -402,7 +400,7 @@ func newStateWithConfig(
 }
 
 func newStateWithConfigAndBlockStore(
-	thisConfig *cfg.Config,
+	thisConfig *config.Config,
 	state sm.State,
 	pv types.PrivValidator,
 	app abci.Application,
@@ -410,8 +408,8 @@ func newStateWithConfigAndBlockStore(
 ) *State {
 	// one for mempool, one for consensus
 	mtx := new(tmsync.RWMutex)
-	proxyAppConnMem := abcicli.NewLocalClient(mtx, app)
-	proxyAppConnCon := abcicli.NewLocalClient(mtx, app)
+	proxyAppConnMem := abciclient.NewLocalClient(mtx, app)
+	proxyAppConnCon := abciclient.NewLocalClient(mtx, app)
 
 	// Make Mempool
 	mempool := mempoolv0.NewCListMempool(thisConfig.Mempool, proxyAppConnMem, 0)
@@ -444,10 +442,10 @@ func newStateWithConfigAndBlockStore(
 	return cs
 }
 
-func loadPrivValidator(config *cfg.Config) *privval.FilePV {
-	privValidatorKeyFile := config.PrivValidator.KeyFile()
+func loadPrivValidator(cfg *config.Config) *privval.FilePV {
+	privValidatorKeyFile := cfg.PrivValidator.KeyFile()
 	ensureDir(filepath.Dir(privValidatorKeyFile), 0700)
-	privValidatorStateFile := config.PrivValidator.StateFile()
+	privValidatorStateFile := cfg.PrivValidator.StateFile()
 	privValidator, err := privval.LoadOrGenFilePV(privValidatorKeyFile, privValidatorStateFile)
 	if err != nil {
 		panic(err)
@@ -456,9 +454,9 @@ func loadPrivValidator(config *cfg.Config) *privval.FilePV {
 	return privValidator
 }
 
-func randState(config *cfg.Config, nValidators int) (*State, []*validatorStub) {
+func randState(cfg *config.Config, nValidators int) (*State, []*validatorStub) {
 	// Get State
-	state, privVals := randGenesisState(config, nValidators, false, 10)
+	state, privVals := randGenesisState(cfg, nValidators, false, 10)
 
 	vss := make([]*validatorStub, nValidators)
 
@@ -704,15 +702,15 @@ func consensusLogger() log.Logger {
 
 func randConsensusState(
 	t *testing.T,
-	config *cfg.Config,
+	cfg *config.Config,
 	nValidators int,
 	testName string,
 	tickerFunc func() TimeoutTicker,
 	appFunc func() abci.Application,
-	configOpts ...func(*cfg.Config),
+	configOpts ...func(*config.Config),
 ) ([]*State, cleanupFunc) {
 
-	genDoc, privVals := factory.RandGenesisDoc(config, nValidators, false, 30)
+	genDoc, privVals := factory.RandGenesisDoc(cfg, nValidators, false, 30)
 	css := make([]*State, nValidators)
 	logger := consensusLogger()
 
@@ -759,18 +757,18 @@ func randConsensusState(
 
 // nPeers = nValidators + nNotValidator
 func randConsensusNetWithPeers(
-	config *cfg.Config,
+	cfg *config.Config,
 	nValidators,
 	nPeers int,
 	testName string,
 	tickerFunc func() TimeoutTicker,
 	appFunc func(string) abci.Application,
-) ([]*State, *types.GenesisDoc, *cfg.Config, cleanupFunc) {
-	genDoc, privVals := factory.RandGenesisDoc(config, nValidators, false, testMinPower)
+) ([]*State, *types.GenesisDoc, *config.Config, cleanupFunc) {
+	genDoc, privVals := factory.RandGenesisDoc(cfg, nValidators, false, testMinPower)
 	css := make([]*State, nPeers)
 	logger := consensusLogger()
 
-	var peer0Config *cfg.Config
+	var peer0Config *config.Config
 	configRootDirs := make([]string, 0, nPeers)
 	for i := 0; i < nPeers; i++ {
 		state, _ := sm.MakeGenesisState(genDoc)
@@ -799,7 +797,7 @@ func randConsensusNetWithPeers(
 			}
 		}
 
-		app := appFunc(path.Join(config.DBDir(), fmt.Sprintf("%s_%d", testName, i)))
+		app := appFunc(path.Join(cfg.DBDir(), fmt.Sprintf("%s_%d", testName, i)))
 		vals := types.TM2PB.ValidatorUpdates(state.Validators)
 		if _, ok := app.(*kvstore.PersistentKVStoreApplication); ok {
 			// simulate handshake, receive app version. If don't do this, replay test will fail
@@ -820,12 +818,12 @@ func randConsensusNetWithPeers(
 }
 
 func randGenesisState(
-	config *cfg.Config,
+	cfg *config.Config,
 	numValidators int,
 	randPower bool,
 	minPower int64) (sm.State, []types.PrivValidator) {
 
-	genDoc, privValidators := factory.RandGenesisDoc(config, numValidators, randPower, minPower)
+	genDoc, privValidators := factory.RandGenesisDoc(cfg, numValidators, randPower, minPower)
 	s0, _ := sm.MakeGenesisState(genDoc)
 	return s0, privValidators
 }

internal/consensus/mempool_test.go

@@ -10,20 +10,19 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-
 	dbm "github.com/tendermint/tm-db"
 
 	"github.com/tendermint/tendermint/abci/example/code"
 	abci "github.com/tendermint/tendermint/abci/types"
-	mempl "github.com/tendermint/tendermint/internal/mempool"
-	sm "github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/store"
+	"github.com/tendermint/tendermint/internal/mempool"
+	sm "github.com/tendermint/tendermint/internal/state"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/types"
 )
 
 // for testing
-func assertMempool(txn txNotifier) mempl.Mempool {
-	return txn.(mempl.Mempool)
+func assertMempool(txn txNotifier) mempool.Mempool {
+	return txn.(mempool.Mempool)
 }
 
 func TestMempoolNoProgressUntilTxsAvailable(t *testing.T) {
@@ -113,7 +112,7 @@ func deliverTxsRange(cs *State, start, end int) {
 	for i := start; i < end; i++ {
 		txBytes := make([]byte, 8)
 		binary.BigEndian.PutUint64(txBytes, uint64(i))
-		err := assertMempool(cs.txNotifier).CheckTx(context.Background(), txBytes, nil, mempl.TxInfo{})
+		err := assertMempool(cs.txNotifier).CheckTx(context.Background(), txBytes, nil, mempool.TxInfo{})
 		if err != nil {
 			panic(fmt.Sprintf("Error after CheckTx: %v", err))
 		}
@@ -179,7 +178,7 @@ func TestMempoolRmBadTx(t *testing.T) {
 				return
 			}
 			checkTxRespCh <- struct{}{}
-		}, mempl.TxInfo{})
+		}, mempool.TxInfo{})
 		if err != nil {
 			t.Errorf("error after CheckTx: %v", err)
 			return

internal/consensus/mocks/cons_sync_reactor.go

@@ -4,7 +4,7 @@ package mocks
 
 import (
 	mock "github.com/stretchr/testify/mock"
-	state "github.com/tendermint/tendermint/state"
+	state "github.com/tendermint/tendermint/internal/state"
 )
 
 // ConsSyncReactor is an autogenerated mock type for the ConsSyncReactor type

internal/consensus/mocks/fast_sync_reactor.go

@@ -4,7 +4,7 @@ package mocks
 
 import (
 	mock "github.com/stretchr/testify/mock"
-	state "github.com/tendermint/tendermint/state"
+	state "github.com/tendermint/tendermint/internal/state"
 
 	time "time"
 )

internal/consensus/reactor.go

@@ -8,13 +8,13 @@ import (
 	cstypes "github.com/tendermint/tendermint/internal/consensus/types"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
 	"github.com/tendermint/tendermint/internal/p2p"
+	sm "github.com/tendermint/tendermint/internal/state"
 	"github.com/tendermint/tendermint/libs/bits"
 	tmevents "github.com/tendermint/tendermint/libs/events"
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/libs/service"
 	tmcons "github.com/tendermint/tendermint/proto/tendermint/consensus"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
 )
 

internal/consensus/reactor_test.go

@@ -12,26 +12,26 @@ import (
 	"github.com/fortytw2/leaktest"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
+	dbm "github.com/tendermint/tm-db"
 
-	abcicli "github.com/tendermint/tendermint/abci/client"
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	abci "github.com/tendermint/tendermint/abci/types"
-	cfg "github.com/tendermint/tendermint/config"
-	cryptoenc "github.com/tendermint/tendermint/crypto/encoding"
+	"github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/crypto/encoding"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
 	"github.com/tendermint/tendermint/internal/mempool"
 	mempoolv0 "github.com/tendermint/tendermint/internal/mempool/v0"
 	"github.com/tendermint/tendermint/internal/p2p"
 	"github.com/tendermint/tendermint/internal/p2p/p2ptest"
+	sm "github.com/tendermint/tendermint/internal/state"
+	statemocks "github.com/tendermint/tendermint/internal/state/mocks"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	"github.com/tendermint/tendermint/libs/log"
 	tmpubsub "github.com/tendermint/tendermint/libs/pubsub"
 	tmcons "github.com/tendermint/tendermint/proto/tendermint/consensus"
-	sm "github.com/tendermint/tendermint/state"
-	statemocks "github.com/tendermint/tendermint/state/mocks"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
-	dbm "github.com/tendermint/tm-db"
 )
 
 var (
@@ -273,11 +273,11 @@ func ensureBlockSyncStatus(t *testing.T, msg tmpubsub.Message, complete bool, he
 }
 
 func TestReactorBasic(t *testing.T) {
-	config := configSetup(t)
+	cfg := configSetup(t)
 
 	n := 4
 	states, cleanup := randConsensusState(t,
-		config, n, "consensus_reactor_test",
+		cfg, n, "consensus_reactor_test",
 		newMockTickerFunc(true), newKVStore)
 	t.Cleanup(cleanup)
 
@@ -316,14 +316,14 @@ func TestReactorBasic(t *testing.T) {
 }
 
 func TestReactorWithEvidence(t *testing.T) {
-	config := configSetup(t)
+	cfg := configSetup(t)
 
 	n := 4
 	testName := "consensus_reactor_test"
 	tickerFunc := newMockTickerFunc(true)
 	appFunc := newKVStore
 
-	genDoc, privVals := factory.RandGenesisDoc(config, n, false, 30)
+	genDoc, privVals := factory.RandGenesisDoc(cfg, n, false, 30)
 	states := make([]*State, n)
 	logger := consensusLogger()
 
@@ -347,8 +347,8 @@ func TestReactorWithEvidence(t *testing.T) {
 
 		// one for mempool, one for consensus
 		mtx := new(tmsync.RWMutex)
-		proxyAppConnMem := abcicli.NewLocalClient(mtx, app)
-		proxyAppConnCon := abcicli.NewLocalClient(mtx, app)
+		proxyAppConnMem := abciclient.NewLocalClient(mtx, app)
+		proxyAppConnCon := abciclient.NewLocalClient(mtx, app)
 
 		mempool := mempoolv0.NewCListMempool(thisConfig.Mempool, proxyAppConnMem, 0)
 		mempool.SetLogger(log.TestingLogger().With("module", "mempool"))
@@ -360,7 +360,7 @@ func TestReactorWithEvidence(t *testing.T) {
 		// everyone includes evidence of another double signing
 		vIdx := (i + 1) % n
 
-		ev := types.NewMockDuplicateVoteEvidenceWithValidator(1, defaultTestTime, privVals[vIdx], config.ChainID())
+		ev := types.NewMockDuplicateVoteEvidenceWithValidator(1, defaultTestTime, privVals[vIdx], cfg.ChainID())
 		evpool := &statemocks.EvidencePool{}
 		evpool.On("CheckEvidence", mock.AnythingOfType("types.EvidenceList")).Return(nil)
 		evpool.On("PendingEvidence", mock.AnythingOfType("int64")).Return([]types.Evidence{
@@ -412,17 +412,17 @@ func TestReactorWithEvidence(t *testing.T) {
 }
 
 func TestReactorCreatesBlockWhenEmptyBlocksFalse(t *testing.T) {
-	config := configSetup(t)
+	cfg := configSetup(t)
 
 	n := 4
 	states, cleanup := randConsensusState(
 		t,
-		config,
+		cfg,
 		n,
 		"consensus_reactor_test",
 		newMockTickerFunc(true),
 		newKVStore,
-		func(c *cfg.Config) {
+		func(c *config.Config) {
 			c.Consensus.CreateEmptyBlocks = false
 		},
 	)
@@ -462,11 +462,11 @@ func TestReactorCreatesBlockWhenEmptyBlocksFalse(t *testing.T) {
 }
 
 func TestReactorRecordsVotesAndBlockParts(t *testing.T) {
-	config := configSetup(t)
+	cfg := configSetup(t)
 
 	n := 4
 	states, cleanup := randConsensusState(t,
-		config, n, "consensus_reactor_test",
+		cfg, n, "consensus_reactor_test",
 		newMockTickerFunc(true), newKVStore)
 	t.Cleanup(cleanup)
 
@@ -521,12 +521,12 @@ func TestReactorRecordsVotesAndBlockParts(t *testing.T) {
 }
 
 func TestReactorVotingPowerChange(t *testing.T) {
-	config := configSetup(t)
+	cfg := configSetup(t)
 
 	n := 4
 	states, cleanup := randConsensusState(
 		t,
-		config,
+		cfg,
 		n,
 		"consensus_voting_power_changes_test",
 		newMockTickerFunc(true),
@@ -573,7 +573,7 @@ func TestReactorVotingPowerChange(t *testing.T) {
 	val1PubKey, err := states[0].privValidator.GetPubKey(context.Background())
 	require.NoError(t, err)
 
-	val1PubKeyABCI, err := cryptoenc.PubKeyToProto(val1PubKey)
+	val1PubKeyABCI, err := encoding.PubKeyToProto(val1PubKey)
 	require.NoError(t, err)
 
 	updateValidatorTx := kvstore.MakeValSetChangeTx(val1PubKeyABCI, 25)
@@ -622,12 +622,12 @@ func TestReactorVotingPowerChange(t *testing.T) {
 }
 
 func TestReactorValidatorSetChanges(t *testing.T) {
-	config := configSetup(t)
+	cfg := configSetup(t)
 
 	nPeers := 7
 	nVals := 4
 	states, _, _, cleanup := randConsensusNetWithPeers(
-		config,
+		cfg,
 		nVals,
 		nPeers,
 		"consensus_val_set_changes_test",
@@ -668,7 +668,7 @@ func TestReactorValidatorSetChanges(t *testing.T) {
 	newValidatorPubKey1, err := states[nVals].privValidator.GetPubKey(context.Background())
 	require.NoError(t, err)
 
-	valPubKey1ABCI, err := cryptoenc.PubKeyToProto(newValidatorPubKey1)
+	valPubKey1ABCI, err := encoding.PubKeyToProto(newValidatorPubKey1)
 	require.NoError(t, err)
 
 	newValidatorTx1 := kvstore.MakeValSetChangeTx(valPubKey1ABCI, testMinPower)
@@ -701,7 +701,7 @@ func TestReactorValidatorSetChanges(t *testing.T) {
 	updateValidatorPubKey1, err := states[nVals].privValidator.GetPubKey(context.Background())
 	require.NoError(t, err)
 
-	updatePubKey1ABCI, err := cryptoenc.PubKeyToProto(updateValidatorPubKey1)
+	updatePubKey1ABCI, err := encoding.PubKeyToProto(updateValidatorPubKey1)
 	require.NoError(t, err)
 
 	updateValidatorTx1 := kvstore.MakeValSetChangeTx(updatePubKey1ABCI, 25)
@@ -721,7 +721,7 @@ func TestReactorValidatorSetChanges(t *testing.T) {
 	newValidatorPubKey2, err := states[nVals+1].privValidator.GetPubKey(context.Background())
 	require.NoError(t, err)
 
-	newVal2ABCI, err := cryptoenc.PubKeyToProto(newValidatorPubKey2)
+	newVal2ABCI, err := encoding.PubKeyToProto(newValidatorPubKey2)
 	require.NoError(t, err)
 
 	newValidatorTx2 := kvstore.MakeValSetChangeTx(newVal2ABCI, testMinPower)
@@ -729,7 +729,7 @@ func TestReactorValidatorSetChanges(t *testing.T) {
 	newValidatorPubKey3, err := states[nVals+2].privValidator.GetPubKey(context.Background())
 	require.NoError(t, err)
 
-	newVal3ABCI, err := cryptoenc.PubKeyToProto(newValidatorPubKey3)
+	newVal3ABCI, err := encoding.PubKeyToProto(newValidatorPubKey3)
 	require.NoError(t, err)
 
 	newValidatorTx3 := kvstore.MakeValSetChangeTx(newVal3ABCI, testMinPower)

internal/consensus/replay.go

@@ -11,9 +11,9 @@ import (
 
 	abci "github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/crypto/merkle"
+	"github.com/tendermint/tendermint/internal/proxy"
+	sm "github.com/tendermint/tendermint/internal/state"
 	"github.com/tendermint/tendermint/libs/log"
-	"github.com/tendermint/tendermint/proxy"
-	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
 )
 

internal/consensus/replay_file.go

@@ -12,13 +12,13 @@ import (
 
 	dbm "github.com/tendermint/tm-db"
 
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/internal/proxy"
+	sm "github.com/tendermint/tendermint/internal/state"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/libs/log"
 	tmos "github.com/tendermint/tendermint/libs/os"
 	tmpubsub "github.com/tendermint/tendermint/libs/pubsub"
-	"github.com/tendermint/tendermint/proxy"
-	sm "github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -31,8 +31,8 @@ const (
 // replay messages interactively or all at once
 
 // replay the wal file
-func RunReplayFile(config cfg.BaseConfig, csConfig *cfg.ConsensusConfig, console bool) {
-	consensusState := newConsensusStateForReplay(config, csConfig)
+func RunReplayFile(cfg config.BaseConfig, csConfig *config.ConsensusConfig, console bool) {
+	consensusState := newConsensusStateForReplay(cfg, csConfig)
 
 	if err := consensusState.ReplayFile(csConfig.WalFile(), console); err != nil {
 		tmos.Exit(fmt.Sprintf("Error during consensus replay: %v", err))
@@ -286,22 +286,22 @@ func (pb *playback) replayConsoleLoop() int {
 //--------------------------------------------------------------------------------
 
 // convenience for replay mode
-func newConsensusStateForReplay(config cfg.BaseConfig, csConfig *cfg.ConsensusConfig) *State {
-	dbType := dbm.BackendType(config.DBBackend)
+func newConsensusStateForReplay(cfg config.BaseConfig, csConfig *config.ConsensusConfig) *State {
+	dbType := dbm.BackendType(cfg.DBBackend)
 	// Get BlockStore
-	blockStoreDB, err := dbm.NewDB("blockstore", dbType, config.DBDir())
+	blockStoreDB, err := dbm.NewDB("blockstore", dbType, cfg.DBDir())
 	if err != nil {
 		tmos.Exit(err.Error())
 	}
 	blockStore := store.NewBlockStore(blockStoreDB)
 
 	// Get State
-	stateDB, err := dbm.NewDB("state", dbType, config.DBDir())
+	stateDB, err := dbm.NewDB("state", dbType, cfg.DBDir())
 	if err != nil {
 		tmos.Exit(err.Error())
 	}
 	stateStore := sm.NewStore(stateDB)
-	gdoc, err := sm.MakeGenesisDocFromFile(config.GenesisFile())
+	gdoc, err := sm.MakeGenesisDocFromFile(cfg.GenesisFile())
 	if err != nil {
 		tmos.Exit(err.Error())
 	}
@@ -311,7 +311,7 @@ func newConsensusStateForReplay(config cfg.BaseConfig, csConfig *cfg.ConsensusCo
 	}
 
 	// Create proxyAppConn connection (consensus, mempool, query)
-	clientCreator, _ := proxy.DefaultClientCreator(config.ProxyApp, config.ABCI, config.DBDir())
+	clientCreator, _ := proxy.DefaultClientCreator(cfg.ProxyApp, cfg.ABCI, cfg.DBDir())
 	proxyApp := proxy.NewAppConns(clientCreator)
 	err = proxyApp.Start()
 	if err != nil {

internal/consensus/replay_stubs.go

@@ -3,11 +3,12 @@ package consensus
 import (
 	"context"
 
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	abci "github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/internal/libs/clist"
-	mempl "github.com/tendermint/tendermint/internal/mempool"
+	"github.com/tendermint/tendermint/internal/mempool"
+	"github.com/tendermint/tendermint/internal/proxy"
 	tmstate "github.com/tendermint/tendermint/proto/tendermint/state"
-	"github.com/tendermint/tendermint/proxy"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -15,12 +16,12 @@ import (
 
 type emptyMempool struct{}
 
-var _ mempl.Mempool = emptyMempool{}
+var _ mempool.Mempool = emptyMempool{}
 
 func (emptyMempool) Lock()     {}
 func (emptyMempool) Unlock()   {}
 func (emptyMempool) Size() int { return 0 }
-func (emptyMempool) CheckTx(_ context.Context, _ types.Tx, _ func(*abci.Response), _ mempl.TxInfo) error {
+func (emptyMempool) CheckTx(_ context.Context, _ types.Tx, _ func(*abci.Response), _ mempool.TxInfo) error {
 	return nil
 }
 func (emptyMempool) ReapMaxBytesMaxGas(_, _ int64) types.Txs { return types.Txs{} }
@@ -29,8 +30,8 @@ func (emptyMempool) Update(
 	_ int64,
 	_ types.Txs,
 	_ []*abci.ResponseDeliverTx,
-	_ mempl.PreCheckFunc,
-	_ mempl.PostCheckFunc,
+	_ mempool.PreCheckFunc,
+	_ mempool.PostCheckFunc,
 ) error {
 	return nil
 }
@@ -53,11 +54,11 @@ func (emptyMempool) CloseWAL()      {}
 // the real app.
 
 func newMockProxyApp(appHash []byte, abciResponses *tmstate.ABCIResponses) proxy.AppConnConsensus {
-	clientCreator := proxy.NewLocalClientCreator(&mockProxyApp{
+	clientCreator := abciclient.NewLocalCreator(&mockProxyApp{
 		appHash:       appHash,
 		abciResponses: abciResponses,
 	})
-	cli, _ := clientCreator.NewABCIClient()
+	cli, _ := clientCreator()
 	err := cli.Start()
 	if err != nil {
 		panic(err)

internal/consensus/replay_test.go

@@ -19,22 +19,23 @@ import (
 	"github.com/stretchr/testify/require"
 	dbm "github.com/tendermint/tm-db"
 
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	abci "github.com/tendermint/tendermint/abci/types"
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/crypto"
-	cryptoenc "github.com/tendermint/tendermint/crypto/encoding"
-	mempl "github.com/tendermint/tendermint/internal/mempool"
+	"github.com/tendermint/tendermint/crypto/encoding"
+	"github.com/tendermint/tendermint/internal/mempool"
+	"github.com/tendermint/tendermint/internal/proxy"
+	sm "github.com/tendermint/tendermint/internal/state"
+	sf "github.com/tendermint/tendermint/internal/state/test/factory"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	"github.com/tendermint/tendermint/libs/log"
 	tmrand "github.com/tendermint/tendermint/libs/rand"
 	"github.com/tendermint/tendermint/privval"
 	tmstate "github.com/tendermint/tendermint/proto/tendermint/state"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	"github.com/tendermint/tendermint/proxy"
-	sm "github.com/tendermint/tendermint/state"
-	sf "github.com/tendermint/tendermint/state/test/factory"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -53,7 +54,7 @@ import (
 // and which ones we need the wal for - then we'd also be able to only flush the
 // wal writer when we need to, instead of with every message.
 
-func startNewStateAndWaitForBlock(t *testing.T, consensusReplayConfig *cfg.Config,
+func startNewStateAndWaitForBlock(t *testing.T, consensusReplayConfig *config.Config,
 	lastBlockHeight int64, blockDB dbm.DB, stateStore sm.Store) {
 	logger := log.TestingLogger()
 	state, err := sm.MakeGenesisStateFromFile(consensusReplayConfig.GenesisFile())
@@ -102,7 +103,7 @@ func sendTxs(ctx context.Context, cs *State) {
 			return
 		default:
 			tx := []byte{byte(i)}
-			if err := assertMempool(cs.txNotifier).CheckTx(context.Background(), tx, nil, mempl.TxInfo{}); err != nil {
+			if err := assertMempool(cs.txNotifier).CheckTx(context.Background(), tx, nil, mempool.TxInfo{}); err != nil {
 				panic(err)
 			}
 			i++
@@ -136,7 +137,7 @@ func TestWALCrash(t *testing.T) {
 	}
 }
 
-func crashWALandCheckLiveness(t *testing.T, consensusReplayConfig *cfg.Config,
+func crashWALandCheckLiveness(t *testing.T, consensusReplayConfig *config.Config,
 	initFn func(dbm.DB, *State, context.Context), heightToStop int64) {
 	walPanicked := make(chan error)
 	crashingWal := &crashingWAL{panicCh: walPanicked, heightToStop: heightToStop}
@@ -285,12 +286,12 @@ func (w *crashingWAL) Wait()        { w.next.Wait() }
 //------------------------------------------------------------------------------------------
 type simulatorTestSuite struct {
 	GenesisState sm.State
-	Config       *cfg.Config
+	Config       *config.Config
 	Chain        []*types.Block
 	Commits      []*types.Commit
 	CleanupFunc  cleanupFunc
 
-	Mempool mempl.Mempool
+	Mempool mempool.Mempool
 	Evpool  sm.EvidencePool
 }
 
@@ -310,7 +311,7 @@ var modes = []uint{0, 1, 2, 3}
 // This is actually not a test, it's for storing validator change tx data for testHandshakeReplay
 func setupSimulator(t *testing.T) *simulatorTestSuite {
 	t.Helper()
-	config := configSetup(t)
+	cfg := configSetup(t)
 
 	sim := &simulatorTestSuite{
 		Mempool: emptyMempool{},
@@ -320,14 +321,14 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 	nPeers := 7
 	nVals := 4
 
-	css, genDoc, config, cleanup := randConsensusNetWithPeers(
-		config,
+	css, genDoc, cfg, cleanup := randConsensusNetWithPeers(
+		cfg,
 		nVals,
 		nPeers,
 		"replay_test",
 		newMockTickerFunc(true),
 		newPersistentKVStoreWithPath)
-	sim.Config = config
+	sim.Config = cfg
 	sim.GenesisState, _ = sm.MakeGenesisState(genDoc)
 	sim.CleanupFunc = cleanup
 
@@ -360,10 +361,10 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 	incrementHeight(vss...)
 	newValidatorPubKey1, err := css[nVals].privValidator.GetPubKey(context.Background())
 	require.NoError(t, err)
-	valPubKey1ABCI, err := cryptoenc.PubKeyToProto(newValidatorPubKey1)
+	valPubKey1ABCI, err := encoding.PubKeyToProto(newValidatorPubKey1)
 	require.NoError(t, err)
 	newValidatorTx1 := kvstore.MakeValSetChangeTx(valPubKey1ABCI, testMinPower)
-	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), newValidatorTx1, nil, mempl.TxInfo{})
+	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), newValidatorTx1, nil, mempool.TxInfo{})
 	assert.Nil(t, err)
 	propBlock, _ := css[0].createProposalBlock() // changeProposer(t, cs1, vs2)
 	propBlockParts := propBlock.MakePartSet(partSize)
@@ -371,7 +372,7 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 
 	proposal := types.NewProposal(vss[1].Height, round, -1, blockID)
 	p := proposal.ToProto()
-	if err := vss[1].SignProposal(context.Background(), config.ChainID(), p); err != nil {
+	if err := vss[1].SignProposal(context.Background(), cfg.ChainID(), p); err != nil {
 		t.Fatal("failed to sign bad proposal", err)
 	}
 	proposal.Signature = p.Signature
@@ -392,10 +393,10 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 	incrementHeight(vss...)
 	updateValidatorPubKey1, err := css[nVals].privValidator.GetPubKey(context.Background())
 	require.NoError(t, err)
-	updatePubKey1ABCI, err := cryptoenc.PubKeyToProto(updateValidatorPubKey1)
+	updatePubKey1ABCI, err := encoding.PubKeyToProto(updateValidatorPubKey1)
 	require.NoError(t, err)
 	updateValidatorTx1 := kvstore.MakeValSetChangeTx(updatePubKey1ABCI, 25)
-	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), updateValidatorTx1, nil, mempl.TxInfo{})
+	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), updateValidatorTx1, nil, mempool.TxInfo{})
 	assert.Nil(t, err)
 	propBlock, _ = css[0].createProposalBlock() // changeProposer(t, cs1, vs2)
 	propBlockParts = propBlock.MakePartSet(partSize)
@@ -403,7 +404,7 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 
 	proposal = types.NewProposal(vss[2].Height, round, -1, blockID)
 	p = proposal.ToProto()
-	if err := vss[2].SignProposal(context.Background(), config.ChainID(), p); err != nil {
+	if err := vss[2].SignProposal(context.Background(), cfg.ChainID(), p); err != nil {
 		t.Fatal("failed to sign bad proposal", err)
 	}
 	proposal.Signature = p.Signature
@@ -424,17 +425,17 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 	incrementHeight(vss...)
 	newValidatorPubKey2, err := css[nVals+1].privValidator.GetPubKey(context.Background())
 	require.NoError(t, err)
-	newVal2ABCI, err := cryptoenc.PubKeyToProto(newValidatorPubKey2)
+	newVal2ABCI, err := encoding.PubKeyToProto(newValidatorPubKey2)
 	require.NoError(t, err)
 	newValidatorTx2 := kvstore.MakeValSetChangeTx(newVal2ABCI, testMinPower)
-	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), newValidatorTx2, nil, mempl.TxInfo{})
+	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), newValidatorTx2, nil, mempool.TxInfo{})
 	assert.Nil(t, err)
 	newValidatorPubKey3, err := css[nVals+2].privValidator.GetPubKey(context.Background())
 	require.NoError(t, err)
-	newVal3ABCI, err := cryptoenc.PubKeyToProto(newValidatorPubKey3)
+	newVal3ABCI, err := encoding.PubKeyToProto(newValidatorPubKey3)
 	require.NoError(t, err)
 	newValidatorTx3 := kvstore.MakeValSetChangeTx(newVal3ABCI, testMinPower)
-	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), newValidatorTx3, nil, mempl.TxInfo{})
+	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), newValidatorTx3, nil, mempool.TxInfo{})
 	assert.Nil(t, err)
 	propBlock, _ = css[0].createProposalBlock() // changeProposer(t, cs1, vs2)
 	propBlockParts = propBlock.MakePartSet(partSize)
@@ -462,7 +463,7 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 
 	proposal = types.NewProposal(vss[3].Height, round, -1, blockID)
 	p = proposal.ToProto()
-	if err := vss[3].SignProposal(context.Background(), config.ChainID(), p); err != nil {
+	if err := vss[3].SignProposal(context.Background(), cfg.ChainID(), p); err != nil {
 		t.Fatal("failed to sign bad proposal", err)
 	}
 	proposal.Signature = p.Signature
@@ -474,7 +475,7 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 	ensureNewProposal(proposalCh, height, round)
 
 	removeValidatorTx2 := kvstore.MakeValSetChangeTx(newVal2ABCI, 0)
-	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), removeValidatorTx2, nil, mempl.TxInfo{})
+	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), removeValidatorTx2, nil, mempool.TxInfo{})
 	assert.Nil(t, err)
 
 	rs = css[0].GetRoundState()
@@ -513,7 +514,7 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 	height++
 	incrementHeight(vss...)
 	removeValidatorTx3 := kvstore.MakeValSetChangeTx(newVal3ABCI, 0)
-	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), removeValidatorTx3, nil, mempl.TxInfo{})
+	err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), removeValidatorTx3, nil, mempool.TxInfo{})
 	assert.Nil(t, err)
 	propBlock, _ = css[0].createProposalBlock() // changeProposer(t, cs1, vs2)
 	propBlockParts = propBlock.MakePartSet(partSize)
@@ -525,7 +526,7 @@ func setupSimulator(t *testing.T) *simulatorTestSuite {
 	selfIndex = valIndexFn(0)
 	proposal = types.NewProposal(vss[1].Height, round, -1, blockID)
 	p = proposal.ToProto()
-	if err := vss[1].SignProposal(context.Background(), config.ChainID(), p); err != nil {
+	if err := vss[1].SignProposal(context.Background(), cfg.ChainID(), p); err != nil {
 		t.Fatal("failed to sign bad proposal", err)
 	}
 	proposal.Signature = p.Signature
@@ -610,8 +611,8 @@ func TestHandshakeReplayNone(t *testing.T) {
 // Test mockProxyApp should not panic when app return ABCIResponses with some empty ResponseDeliverTx
 func TestMockProxyApp(t *testing.T) {
 	sim := setupSimulator(t) // setup config and simulator
-	config := sim.Config
-	assert.NotNil(t, config)
+	cfg := sim.Config
+	assert.NotNil(t, cfg)
 
 	logger := log.TestingLogger()
 	var validTxs, invalidTxs = 0, 0
@@ -686,7 +687,7 @@ func testHandshakeReplay(t *testing.T, sim *simulatorTestSuite, nBlocks int, mod
 	var stateDB dbm.DB
 	var genesisState sm.State
 
-	config := sim.Config
+	cfg := sim.Config
 
 	if testValidatorsChange {
 		testConfig := ResetConfig(fmt.Sprintf("%s_%v_m", t.Name(), mode))
@@ -694,19 +695,19 @@ func testHandshakeReplay(t *testing.T, sim *simulatorTestSuite, nBlocks int, mod
 		stateDB = dbm.NewMemDB()
 
 		genesisState = sim.GenesisState
-		config = sim.Config
+		cfg = sim.Config
 		chain = append([]*types.Block{}, sim.Chain...) // copy chain
 		commits = sim.Commits
-		store = newMockBlockStore(config, genesisState.ConsensusParams)
+		store = newMockBlockStore(cfg, genesisState.ConsensusParams)
 	} else { // test single node
 		testConfig := ResetConfig(fmt.Sprintf("%s_%v_s", t.Name(), mode))
 		defer func() { _ = os.RemoveAll(testConfig.RootDir) }()
 		walBody, err := WALWithNBlocks(t, numBlocks)
 		require.NoError(t, err)
 		walFile := tempWALWithData(walBody)
-		config.Consensus.SetWalFile(walFile)
+		cfg.Consensus.SetWalFile(walFile)
 
-		privVal, err := privval.LoadFilePV(config.PrivValidator.KeyFile(), config.PrivValidator.StateFile())
+		privVal, err := privval.LoadFilePV(cfg.PrivValidator.KeyFile(), cfg.PrivValidator.StateFile())
 		require.NoError(t, err)
 
 		wal, err := NewWAL(walFile)
@@ -723,7 +724,7 @@ func testHandshakeReplay(t *testing.T, sim *simulatorTestSuite, nBlocks int, mod
 		require.NoError(t, err)
 		pubKey, err := privVal.GetPubKey(context.Background())
 		require.NoError(t, err)
-		stateDB, genesisState, store = stateAndStore(config, pubKey, kvstore.ProtocolVersion)
+		stateDB, genesisState, store = stateAndStore(cfg, pubKey, kvstore.ProtocolVersion)
 
 	}
 	stateStore := sm.NewStore(stateDB)
@@ -732,15 +733,15 @@ func testHandshakeReplay(t *testing.T, sim *simulatorTestSuite, nBlocks int, mod
 
 	state := genesisState.Copy()
 	// run the chain through state.ApplyBlock to build up the tendermint state
-	state = buildTMStateFromChain(config, sim.Mempool, sim.Evpool, stateStore, state, chain, nBlocks, mode, store)
+	state = buildTMStateFromChain(cfg, sim.Mempool, sim.Evpool, stateStore, state, chain, nBlocks, mode, store)
 	latestAppHash := state.AppHash
 
 	// make a new client creator
 	kvstoreApp := kvstore.NewPersistentKVStoreApplication(
-		filepath.Join(config.DBDir(), fmt.Sprintf("replay_test_%d_%d_a_r%d", nBlocks, mode, rand.Int())))
+		filepath.Join(cfg.DBDir(), fmt.Sprintf("replay_test_%d_%d_a_r%d", nBlocks, mode, rand.Int())))
 	t.Cleanup(func() { require.NoError(t, kvstoreApp.Close()) })
 
-	clientCreator2 := proxy.NewLocalClientCreator(kvstoreApp)
+	clientCreator2 := abciclient.NewLocalCreator(kvstoreApp)
 	if nBlocks > 0 {
 		// run nBlocks against a new client to build up the app state.
 		// use a throwaway tendermint state
@@ -762,7 +763,7 @@ func testHandshakeReplay(t *testing.T, sim *simulatorTestSuite, nBlocks int, mod
 	}
 
 	// now start the app using the handshake - it should sync
-	genDoc, _ := sm.MakeGenesisDocFromFile(config.GenesisFile())
+	genDoc, _ := sm.MakeGenesisDocFromFile(cfg.GenesisFile())
 	handshaker := NewHandshaker(stateStore, state, store, genDoc)
 	proxyApp := proxy.NewAppConns(clientCreator2)
 	if err := proxyApp.Start(); err != nil {
@@ -810,7 +811,7 @@ func testHandshakeReplay(t *testing.T, sim *simulatorTestSuite, nBlocks int, mod
 }
 
 func applyBlock(stateStore sm.Store,
-	mempool mempl.Mempool,
+	mempool mempool.Mempool,
 	evpool sm.EvidencePool,
 	st sm.State,
 	blk *types.Block,
@@ -830,7 +831,7 @@ func applyBlock(stateStore sm.Store,
 func buildAppStateFromChain(
 	proxyApp proxy.AppConns,
 	stateStore sm.Store,
-	mempool mempl.Mempool,
+	mempool mempool.Mempool,
 	evpool sm.EvidencePool,
 	state sm.State,
 	chain []*types.Block,
@@ -877,8 +878,8 @@ func buildAppStateFromChain(
 }
 
 func buildTMStateFromChain(
-	config *cfg.Config,
-	mempool mempl.Mempool,
+	cfg *config.Config,
+	mempool mempool.Mempool,
 	evpool sm.EvidencePool,
 	stateStore sm.Store,
 	state sm.State,
@@ -888,9 +889,9 @@ func buildTMStateFromChain(
 	blockStore *mockBlockStore) sm.State {
 	// run the whole chain against this client to build up the tendermint state
 	kvstoreApp := kvstore.NewPersistentKVStoreApplication(
-		filepath.Join(config.DBDir(), fmt.Sprintf("replay_test_%d_%d_t", nBlocks, mode)))
+		filepath.Join(cfg.DBDir(), fmt.Sprintf("replay_test_%d_%d_t", nBlocks, mode)))
 	defer kvstoreApp.Close()
-	clientCreator := proxy.NewLocalClientCreator(kvstoreApp)
+	clientCreator := abciclient.NewLocalCreator(kvstoreApp)
 
 	proxyApp := proxy.NewAppConns(clientCreator)
 	if err := proxyApp.Start(); err != nil {
@@ -937,16 +938,16 @@ func TestHandshakePanicsIfAppReturnsWrongAppHash(t *testing.T) {
 	//		- 0x01
 	//		- 0x02
 	//		- 0x03
-	config := ResetConfig("handshake_test_")
-	t.Cleanup(func() { os.RemoveAll(config.RootDir) })
-	privVal, err := privval.LoadFilePV(config.PrivValidator.KeyFile(), config.PrivValidator.StateFile())
+	cfg := ResetConfig("handshake_test_")
+	t.Cleanup(func() { os.RemoveAll(cfg.RootDir) })
+	privVal, err := privval.LoadFilePV(cfg.PrivValidator.KeyFile(), cfg.PrivValidator.StateFile())
 	require.NoError(t, err)
 	const appVersion = 0x0
 	pubKey, err := privVal.GetPubKey(context.Background())
 	require.NoError(t, err)
-	stateDB, state, store := stateAndStore(config, pubKey, appVersion)
+	stateDB, state, store := stateAndStore(cfg, pubKey, appVersion)
 	stateStore := sm.NewStore(stateDB)
-	genDoc, _ := sm.MakeGenesisDocFromFile(config.GenesisFile())
+	genDoc, _ := sm.MakeGenesisDocFromFile(cfg.GenesisFile())
 	state.LastValidators = state.Validators.Copy()
 	// mode = 0 for committing all the blocks
 	blocks := sf.MakeBlocks(3, &state, privVal)
@@ -958,7 +959,7 @@ func TestHandshakePanicsIfAppReturnsWrongAppHash(t *testing.T) {
 	//		- 0x03
 	{
 		app := &badApp{numBlocks: 3, allHashesAreWrong: true}
-		clientCreator := proxy.NewLocalClientCreator(app)
+		clientCreator := abciclient.NewLocalCreator(app)
 		proxyApp := proxy.NewAppConns(clientCreator)
 		err := proxyApp.Start()
 		require.NoError(t, err)
@@ -982,7 +983,7 @@ func TestHandshakePanicsIfAppReturnsWrongAppHash(t *testing.T) {
 	//		- RANDOM HASH
 	{
 		app := &badApp{numBlocks: 3, onlyLastHashIsWrong: true}
-		clientCreator := proxy.NewLocalClientCreator(app)
+		clientCreator := abciclient.NewLocalCreator(app)
 		proxyApp := proxy.NewAppConns(clientCreator)
 		err := proxyApp.Start()
 		require.NoError(t, err)
@@ -1152,14 +1153,14 @@ func readPieceFromWAL(msg *TimedWALMessage) interface{} {
 
 // fresh state and mock store
 func stateAndStore(
-	config *cfg.Config,
+	cfg *config.Config,
 	pubKey crypto.PubKey,
 	appVersion uint64) (dbm.DB, sm.State, *mockBlockStore) {
 	stateDB := dbm.NewMemDB()
 	stateStore := sm.NewStore(stateDB)
-	state, _ := sm.MakeGenesisStateFromFile(config.GenesisFile())
+	state, _ := sm.MakeGenesisStateFromFile(cfg.GenesisFile())
 	state.Version.Consensus.App = appVersion
-	store := newMockBlockStore(config, state.ConsensusParams)
+	store := newMockBlockStore(cfg, state.ConsensusParams)
 	if err := stateStore.Save(state); err != nil {
 		panic(err)
 	}
@@ -1170,7 +1171,7 @@ func stateAndStore(
 // mock block store
 
 type mockBlockStore struct {
-	config  *cfg.Config
+	cfg     *config.Config
 	params  types.ConsensusParams
 	chain   []*types.Block
 	commits []*types.Commit
@@ -1178,8 +1179,8 @@ type mockBlockStore struct {
 }
 
 // TODO: NewBlockStore(db.NewMemDB) ...
-func newMockBlockStore(config *cfg.Config, params types.ConsensusParams) *mockBlockStore {
-	return &mockBlockStore{config, params, nil, nil, 0}
+func newMockBlockStore(cfg *config.Config, params types.ConsensusParams) *mockBlockStore {
+	return &mockBlockStore{cfg, params, nil, nil, 0}
 }
 
 func (bs *mockBlockStore) Height() int64                       { return int64(len(bs.chain)) }
@@ -1225,22 +1226,22 @@ func TestHandshakeUpdatesValidators(t *testing.T) {
 	val, _ := factory.RandValidator(true, 10)
 	vals := types.NewValidatorSet([]*types.Validator{val})
 	app := &initChainApp{vals: types.TM2PB.ValidatorUpdates(vals)}
-	clientCreator := proxy.NewLocalClientCreator(app)
+	clientCreator := abciclient.NewLocalCreator(app)
 
-	config := ResetConfig("handshake_test_")
-	t.Cleanup(func() { _ = os.RemoveAll(config.RootDir) })
+	cfg := ResetConfig("handshake_test_")
+	t.Cleanup(func() { _ = os.RemoveAll(cfg.RootDir) })
 
-	privVal, err := privval.LoadFilePV(config.PrivValidator.KeyFile(), config.PrivValidator.StateFile())
+	privVal, err := privval.LoadFilePV(cfg.PrivValidator.KeyFile(), cfg.PrivValidator.StateFile())
 	require.NoError(t, err)
 	pubKey, err := privVal.GetPubKey(context.Background())
 	require.NoError(t, err)
-	stateDB, state, store := stateAndStore(config, pubKey, 0x0)
+	stateDB, state, store := stateAndStore(cfg, pubKey, 0x0)
 	stateStore := sm.NewStore(stateDB)
 
 	oldValAddr := state.Validators.Validators[0].Address
 
 	// now start the app using the handshake - it should sync
-	genDoc, _ := sm.MakeGenesisDocFromFile(config.GenesisFile())
+	genDoc, _ := sm.MakeGenesisDocFromFile(cfg.GenesisFile())
 	handshaker := NewHandshaker(stateStore, state, store, genDoc)
 	proxyApp := proxy.NewAppConns(clientCreator)
 	if err := proxyApp.Start(); err != nil {

internal/consensus/state.go

@@ -12,11 +12,12 @@ import (
 
 	"github.com/gogo/protobuf/proto"
 
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/crypto"
 	cstypes "github.com/tendermint/tendermint/internal/consensus/types"
 	"github.com/tendermint/tendermint/internal/libs/fail"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
+	sm "github.com/tendermint/tendermint/internal/state"
 	tmevents "github.com/tendermint/tendermint/libs/events"
 	tmjson "github.com/tendermint/tendermint/libs/json"
 	"github.com/tendermint/tendermint/libs/log"
@@ -27,7 +28,6 @@ import (
 	"github.com/tendermint/tendermint/privval"
 	tmgrpc "github.com/tendermint/tendermint/privval/grpc"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -80,7 +80,7 @@ type State struct {
 	service.BaseService
 
 	// config details
-	config            *cfg.ConsensusConfig
+	config            *config.ConsensusConfig
 	privValidator     types.PrivValidator // for signing votes
 	privValidatorType types.PrivValidatorType
 
@@ -137,7 +137,7 @@ type State struct {
 	done chan struct{}
 
 	// synchronous pubsub between consensus state and reactor.
-	// state only emits EventNewRoundStep and EventVote
+	// state only emits EventNewRoundStep, EventValidBlock, and EventVote
 	evsw tmevents.EventSwitch
 
 	// for reporting metrics
@@ -152,7 +152,7 @@ type StateOption func(*State)
 
 // NewState returns a new State.
 func NewState(
-	config *cfg.ConsensusConfig,
+	cfg *config.ConsensusConfig,
 	state sm.State,
 	blockExec *sm.BlockExecutor,
 	blockStore sm.BlockStore,
@@ -161,7 +161,7 @@ func NewState(
 	options ...StateOption,
 ) *State {
 	cs := &State{
-		config:           config,
+		config:           cfg,
 		blockExec:        blockExec,
 		blockStore:       blockStore,
 		txNotifier:       txNotifier,
@@ -241,8 +241,12 @@ func (cs *State) GetLastHeight() int64 {
 // GetRoundState returns a shallow copy of the internal consensus state.
 func (cs *State) GetRoundState() *cstypes.RoundState {
 	cs.mtx.RLock()
+	defer cs.mtx.RUnlock()
+
+	// NOTE: this might be dodgy, as RoundState itself isn't thread
+	// safe as it contains a number of pointers and is explicitly
+	// not thread safe.
 	rs := cs.RoundState // copy
-	cs.mtx.RUnlock()
 	return &rs
 }
 

internal/consensus/state_test.go

@@ -331,7 +331,7 @@ func TestStateFullRound1(t *testing.T) {
 		t.Error(err)
 	}
 
-	voteCh := subscribeUnBuffered(cs.eventBus, types.EventQueryVote)
+	voteCh := subscribe(cs.eventBus, types.EventQueryVote)
 	propCh := subscribe(cs.eventBus, types.EventQueryCompleteProposal)
 	newRoundCh := subscribe(cs.eventBus, types.EventQueryNewRound)
 
@@ -361,7 +361,7 @@ func TestStateFullRoundNil(t *testing.T) {
 	cs, vss := randState(config, 1)
 	height, round := cs.Height, cs.Round
 
-	voteCh := subscribeUnBuffered(cs.eventBus, types.EventQueryVote)
+	voteCh := subscribe(cs.eventBus, types.EventQueryVote)
 
 	cs.enterPrevote(height, round)
 	cs.startRoutines(4)
@@ -382,7 +382,7 @@ func TestStateFullRound2(t *testing.T) {
 	vs2 := vss[1]
 	height, round := cs1.Height, cs1.Round
 
-	voteCh := subscribeUnBuffered(cs1.eventBus, types.EventQueryVote)
+	voteCh := subscribe(cs1.eventBus, types.EventQueryVote)
 	newBlockCh := subscribe(cs1.eventBus, types.EventQueryNewBlock)
 
 	// start round and wait for propose and prevote
@@ -428,7 +428,7 @@ func TestStateLockNoPOL(t *testing.T) {
 
 	timeoutProposeCh := subscribe(cs1.eventBus, types.EventQueryTimeoutPropose)
 	timeoutWaitCh := subscribe(cs1.eventBus, types.EventQueryTimeoutWait)
-	voteCh := subscribeUnBuffered(cs1.eventBus, types.EventQueryVote)
+	voteCh := subscribe(cs1.eventBus, types.EventQueryVote)
 	proposalCh := subscribe(cs1.eventBus, types.EventQueryCompleteProposal)
 	newRoundCh := subscribe(cs1.eventBus, types.EventQueryNewRound)
 
@@ -1971,12 +1971,3 @@ func subscribe(eventBus *types.EventBus, q tmpubsub.Query) <-chan tmpubsub.Messa
 	}
 	return sub.Out()
 }
-
-// subscribe subscribes test client to the given query and returns a channel with cap = 0.
-func subscribeUnBuffered(eventBus *types.EventBus, q tmpubsub.Query) <-chan tmpubsub.Message {
-	sub, err := eventBus.SubscribeUnbuffered(context.Background(), testSubscriber, q)
-	if err != nil {
-		panic(fmt.Sprintf("failed to subscribe %s to %v", testSubscriber, q))
-	}
-	return sub.Out()
-}

internal/consensus/types/height_vote_set_test.go

@@ -6,7 +6,7 @@ import (
 	"os"
 	"testing"
 
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/crypto/tmhash"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	tmrand "github.com/tendermint/tendermint/libs/rand"
@@ -15,19 +15,19 @@ import (
 	"github.com/tendermint/tendermint/types"
 )
 
-var config *cfg.Config // NOTE: must be reset for each _test.go file
+var cfg *config.Config // NOTE: must be reset for each _test.go file
 
 func TestMain(m *testing.M) {
-	config = cfg.ResetTestRoot("consensus_height_vote_set_test")
+	cfg = config.ResetTestRoot("consensus_height_vote_set_test")
 	code := m.Run()
-	os.RemoveAll(config.RootDir)
+	os.RemoveAll(cfg.RootDir)
 	os.Exit(code)
 }
 
 func TestPeerCatchupRounds(t *testing.T) {
 	valSet, privVals := factory.RandValidatorSet(10, 1)
 
-	hvs := NewHeightVoteSet(config.ChainID(), 1, valSet)
+	hvs := NewHeightVoteSet(cfg.ChainID(), 1, valSet)
 
 	vote999_0 := makeVoteHR(t, 1, 0, 999, privVals)
 	added, err := hvs.AddVote(vote999_0, "peer1")
@@ -75,7 +75,7 @@ func makeVoteHR(t *testing.T, height int64, valIndex, round int32, privVals []ty
 		Type:             tmproto.PrecommitType,
 		BlockID:          types.BlockID{Hash: randBytes, PartSetHeader: types.PartSetHeader{}},
 	}
-	chainID := config.ChainID()
+	chainID := cfg.ChainID()
 
 	v := vote.ToProto()
 	err = privVal.SignVote(context.Background(), chainID, v)

internal/consensus/wal_generator.go

@@ -11,15 +11,16 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/require"
-	db "github.com/tendermint/tm-db"
+	dbm "github.com/tendermint/tm-db"
 
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/internal/proxy"
+	sm "github.com/tendermint/tendermint/internal/state"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/privval"
-	"github.com/tendermint/tendermint/proxy"
-	sm "github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -29,9 +30,9 @@ import (
 // (byteBufferWAL) and waits until numBlocks are created.
 // If the node fails to produce given numBlocks, it returns an error.
 func WALGenerateNBlocks(t *testing.T, wr io.Writer, numBlocks int) (err error) {
-	config := getConfig(t)
+	cfg := getConfig(t)
 
-	app := kvstore.NewPersistentKVStoreApplication(filepath.Join(config.DBDir(), "wal_generator"))
+	app := kvstore.NewPersistentKVStoreApplication(filepath.Join(cfg.DBDir(), "wal_generator"))
 	t.Cleanup(func() { require.NoError(t, app.Close()) })
 
 	logger := log.TestingLogger().With("wal_generator", "wal_generator")
@@ -40,17 +41,17 @@ func WALGenerateNBlocks(t *testing.T, wr io.Writer, numBlocks int) (err error) {
 	// COPY PASTE FROM node.go WITH A FEW MODIFICATIONS
 	// NOTE: we can't import node package because of circular dependency.
 	// NOTE: we don't do handshake so need to set state.Version.Consensus.App directly.
-	privValidatorKeyFile := config.PrivValidator.KeyFile()
-	privValidatorStateFile := config.PrivValidator.StateFile()
+	privValidatorKeyFile := cfg.PrivValidator.KeyFile()
+	privValidatorStateFile := cfg.PrivValidator.StateFile()
 	privValidator, err := privval.LoadOrGenFilePV(privValidatorKeyFile, privValidatorStateFile)
 	if err != nil {
 		return err
 	}
-	genDoc, err := types.GenesisDocFromFile(config.GenesisFile())
+	genDoc, err := types.GenesisDocFromFile(cfg.GenesisFile())
 	if err != nil {
 		return fmt.Errorf("failed to read genesis file: %w", err)
 	}
-	blockStoreDB := db.NewMemDB()
+	blockStoreDB := dbm.NewMemDB()
 	stateDB := blockStoreDB
 	stateStore := sm.NewStore(stateDB)
 	state, err := sm.MakeGenesisState(genDoc)
@@ -64,7 +65,7 @@ func WALGenerateNBlocks(t *testing.T, wr io.Writer, numBlocks int) (err error) {
 
 	blockStore := store.NewBlockStore(blockStoreDB)
 
-	proxyApp := proxy.NewAppConns(proxy.NewLocalClientCreator(app))
+	proxyApp := proxy.NewAppConns(abciclient.NewLocalCreator(app))
 	proxyApp.SetLogger(logger.With("module", "proxy"))
 	if err := proxyApp.Start(); err != nil {
 		return fmt.Errorf("failed to start proxy app connections: %w", err)
@@ -88,7 +89,7 @@ func WALGenerateNBlocks(t *testing.T, wr io.Writer, numBlocks int) (err error) {
 	mempool := emptyMempool{}
 	evpool := sm.EmptyEvidencePool{}
 	blockExec := sm.NewBlockExecutor(stateStore, log.TestingLogger(), proxyApp.Consensus(), mempool, evpool, blockStore)
-	consensusState := NewState(config.Consensus, state.Copy(), blockExec, blockStore, mempool, evpool)
+	consensusState := NewState(cfg.Consensus, state.Copy(), blockExec, blockStore, mempool, evpool)
 	consensusState.SetLogger(logger)
 	consensusState.SetEventBus(eventBus)
 	if privValidator != nil && privValidator != (*privval.FilePV)(nil) {
@@ -152,8 +153,8 @@ func makeAddrs() (string, string, string) {
 }
 
 // getConfig returns a config for test cases
-func getConfig(t *testing.T) *cfg.Config {
-	c := cfg.ResetTestRoot(t.Name())
+func getConfig(t *testing.T) *config.Config {
+	c := config.ResetTestRoot(t.Name())
 
 	// and we use random ports to run in parallel
 	tm, rpc, grpc := makeAddrs()

internal/evidence/pool.go

@@ -14,9 +14,9 @@ import (
 	dbm "github.com/tendermint/tm-db"
 
 	clist "github.com/tendermint/tendermint/internal/libs/clist"
+	sm "github.com/tendermint/tendermint/internal/state"
 	"github.com/tendermint/tendermint/libs/log"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
 )
 

internal/evidence/pool_test.go

@@ -13,12 +13,12 @@ import (
 
 	"github.com/tendermint/tendermint/internal/evidence"
 	"github.com/tendermint/tendermint/internal/evidence/mocks"
+	sm "github.com/tendermint/tendermint/internal/state"
+	smmocks "github.com/tendermint/tendermint/internal/state/mocks"
+	sf "github.com/tendermint/tendermint/internal/state/test/factory"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	"github.com/tendermint/tendermint/libs/log"
-	sm "github.com/tendermint/tendermint/state"
-	smmocks "github.com/tendermint/tendermint/state/mocks"
-	sf "github.com/tendermint/tendermint/state/test/factory"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
 	"github.com/tendermint/tendermint/version"
 )

internal/evidence/reactor_test.go

@@ -20,9 +20,9 @@ import (
 	"github.com/tendermint/tendermint/internal/evidence/mocks"
 	"github.com/tendermint/tendermint/internal/p2p"
 	"github.com/tendermint/tendermint/internal/p2p/p2ptest"
+	sm "github.com/tendermint/tendermint/internal/state"
 	"github.com/tendermint/tendermint/libs/log"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
 )
 

internal/evidence/verify_test.go

@@ -8,18 +8,17 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-
 	dbm "github.com/tendermint/tm-db"
 
 	"github.com/tendermint/tendermint/crypto"
 	"github.com/tendermint/tendermint/crypto/tmhash"
 	"github.com/tendermint/tendermint/internal/evidence"
 	"github.com/tendermint/tendermint/internal/evidence/mocks"
+	sm "github.com/tendermint/tendermint/internal/state"
+	smmocks "github.com/tendermint/tendermint/internal/state/mocks"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	"github.com/tendermint/tendermint/libs/log"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	sm "github.com/tendermint/tendermint/state"
-	smmocks "github.com/tendermint/tendermint/state/mocks"
 	"github.com/tendermint/tendermint/types"
 )
 

internal/inspect/inspect.go

@@ -7,14 +7,14 @@ import (
 	"net"
 
 	"github.com/tendermint/tendermint/config"
-	"github.com/tendermint/tendermint/inspect/rpc"
+	"github.com/tendermint/tendermint/internal/inspect/rpc"
+	rpccore "github.com/tendermint/tendermint/internal/rpc/core"
+	"github.com/tendermint/tendermint/internal/state"
+	"github.com/tendermint/tendermint/internal/state/indexer"
+	"github.com/tendermint/tendermint/internal/state/indexer/sink"
+	"github.com/tendermint/tendermint/internal/store"
 	"github.com/tendermint/tendermint/libs/log"
 	tmstrings "github.com/tendermint/tendermint/libs/strings"
-	rpccore "github.com/tendermint/tendermint/rpc/core"
-	"github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/state/indexer"
-	"github.com/tendermint/tendermint/state/indexer/sink"
-	"github.com/tendermint/tendermint/store"
 	"github.com/tendermint/tendermint/types"
 
 	"golang.org/x/sync/errgroup"
@@ -58,7 +58,7 @@ func New(cfg *config.RPCConfig, bs state.BlockStore, ss state.Store, es []indexe
 }
 
 // NewFromConfig constructs an Inspector using the values defined in the passed in config.
-func NewFromConfig(cfg *config.Config) (*Inspector, error) {
+func NewFromConfig(logger log.Logger, cfg *config.Config) (*Inspector, error) {
 	bsDB, err := config.DefaultDBProvider(&config.DBContext{ID: "blockstore", Config: cfg})
 	if err != nil {
 		return nil, err
@@ -76,7 +76,6 @@ func NewFromConfig(cfg *config.Config) (*Inspector, error) {
 	if err != nil {
 		return nil, err
 	}
-	logger := log.MustNewDefaultLogger(log.LogFormatPlain, log.LogLevelInfo, false)
 	ss := state.NewStore(sDB)
 	return New(cfg.RPC, bs, ss, sinks, logger), nil
 }

internal/inspect/inspect_test.go

@@ -15,23 +15,25 @@ import (
 	"github.com/stretchr/testify/require"
 	abcitypes "github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/config"
-	"github.com/tendermint/tendermint/inspect"
+	"github.com/tendermint/tendermint/internal/inspect"
+	"github.com/tendermint/tendermint/internal/state/indexer"
+	indexermocks "github.com/tendermint/tendermint/internal/state/indexer/mocks"
+	statemocks "github.com/tendermint/tendermint/internal/state/mocks"
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/libs/pubsub/query"
 	"github.com/tendermint/tendermint/proto/tendermint/state"
 	httpclient "github.com/tendermint/tendermint/rpc/client/http"
-	"github.com/tendermint/tendermint/state/indexer"
-	indexermocks "github.com/tendermint/tendermint/state/indexer/mocks"
-	statemocks "github.com/tendermint/tendermint/state/mocks"
 	"github.com/tendermint/tendermint/types"
 )
 
 func TestInspectConstructor(t *testing.T) {
 	cfg := config.ResetTestRoot("test")
+	testLogger := log.TestingLogger()
 	t.Cleanup(leaktest.Check(t))
 	defer func() { _ = os.RemoveAll(cfg.RootDir) }()
 	t.Run("from config", func(t *testing.T) {
-		d, err := inspect.NewFromConfig(cfg)
+		logger := testLogger.With(t.Name())
+		d, err := inspect.NewFromConfig(logger, cfg)
 		require.NoError(t, err)
 		require.NotNil(t, d)
 	})
@@ -40,10 +42,12 @@ func TestInspectConstructor(t *testing.T) {
 
 func TestInspectRun(t *testing.T) {
 	cfg := config.ResetTestRoot("test")
+	testLogger := log.TestingLogger()
 	t.Cleanup(leaktest.Check(t))
 	defer func() { _ = os.RemoveAll(cfg.RootDir) }()
 	t.Run("from config", func(t *testing.T) {
-		d, err := inspect.NewFromConfig(cfg)
+		logger := testLogger.With(t.Name())
+		d, err := inspect.NewFromConfig(logger, cfg)
 		require.NoError(t, err)
 		ctx, cancel := context.WithCancel(context.Background())
 		stoppedWG := &sync.WaitGroup{}

internal/inspect/rpc/rpc.go

@@ -9,12 +9,12 @@ import (
 
 	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/internal/consensus"
+	"github.com/tendermint/tendermint/internal/rpc/core"
+	"github.com/tendermint/tendermint/internal/state"
+	"github.com/tendermint/tendermint/internal/state/indexer"
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/libs/pubsub"
-	"github.com/tendermint/tendermint/rpc/core"
 	"github.com/tendermint/tendermint/rpc/jsonrpc/server"
-	"github.com/tendermint/tendermint/state"
-	"github.com/tendermint/tendermint/state/indexer"
 	"github.com/tendermint/tendermint/types"
 )
 

internal/mempool/mock/mempool.go

@@ -5,19 +5,19 @@ import (
 
 	abci "github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/internal/libs/clist"
-	mempl "github.com/tendermint/tendermint/internal/mempool"
+	"github.com/tendermint/tendermint/internal/mempool"
 	"github.com/tendermint/tendermint/types"
 )
 
 // Mempool is an empty implementation of a Mempool, useful for testing.
 type Mempool struct{}
 
-var _ mempl.Mempool = Mempool{}
+var _ mempool.Mempool = Mempool{}
 
 func (Mempool) Lock()     {}
 func (Mempool) Unlock()   {}
 func (Mempool) Size() int { return 0 }
-func (Mempool) CheckTx(_ context.Context, _ types.Tx, _ func(*abci.Response), _ mempl.TxInfo) error {
+func (Mempool) CheckTx(_ context.Context, _ types.Tx, _ func(*abci.Response), _ mempool.TxInfo) error {
 	return nil
 }
 func (Mempool) ReapMaxBytesMaxGas(_, _ int64) types.Txs { return types.Txs{} }
@@ -26,8 +26,8 @@ func (Mempool) Update(
 	_ int64,
 	_ types.Txs,
 	_ []*abci.ResponseDeliverTx,
-	_ mempl.PreCheckFunc,
-	_ mempl.PostCheckFunc,
+	_ mempool.PreCheckFunc,
+	_ mempool.PostCheckFunc,
 ) error {
 	return nil
 }

internal/mempool/v0/bench_test.go

@@ -6,14 +6,14 @@ import (
 	"sync/atomic"
 	"testing"
 
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	"github.com/tendermint/tendermint/internal/mempool"
-	"github.com/tendermint/tendermint/proxy"
 )
 
 func BenchmarkReap(b *testing.B) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 	mp.config.Size = 100000
@@ -34,7 +34,7 @@ func BenchmarkReap(b *testing.B) {
 
 func BenchmarkCheckTx(b *testing.B) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 
@@ -56,7 +56,7 @@ func BenchmarkCheckTx(b *testing.B) {
 
 func BenchmarkParallelCheckTx(b *testing.B) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 
@@ -81,7 +81,7 @@ func BenchmarkParallelCheckTx(b *testing.B) {
 
 func BenchmarkCheckDuplicateTx(b *testing.B) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 

internal/mempool/v0/cache_test.go

@@ -7,16 +7,16 @@ import (
 
 	"github.com/stretchr/testify/require"
 
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	abci "github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/internal/mempool"
-	"github.com/tendermint/tendermint/proxy"
 	"github.com/tendermint/tendermint/types"
 )
 
 func TestCacheAfterUpdate(t *testing.T) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 

internal/mempool/v0/clist_mempool.go

@@ -8,13 +8,13 @@ import (
 	"sync/atomic"
 
 	abci "github.com/tendermint/tendermint/abci/types"
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/internal/libs/clist"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
 	"github.com/tendermint/tendermint/internal/mempool"
+	"github.com/tendermint/tendermint/internal/proxy"
 	"github.com/tendermint/tendermint/libs/log"
 	tmmath "github.com/tendermint/tendermint/libs/math"
-	"github.com/tendermint/tendermint/proxy"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -32,7 +32,7 @@ type CListMempool struct {
 	notifiedTxsAvailable bool
 	txsAvailable         chan struct{} // fires once for each height, when the mempool is not empty
 
-	config *cfg.MempoolConfig
+	config *config.MempoolConfig
 
 	// Exclusive mutex for Update method to prevent concurrent execution of
 	// CheckTx or ReapMaxBytesMaxGas(ReapMaxTxs) methods.
@@ -69,14 +69,14 @@ type CListMempoolOption func(*CListMempool)
 // NewCListMempool returns a new mempool with the given configuration and
 // connection to an application.
 func NewCListMempool(
-	config *cfg.MempoolConfig,
+	cfg *config.MempoolConfig,
 	proxyAppConn proxy.AppConnMempool,
 	height int64,
 	options ...CListMempoolOption,
 ) *CListMempool {
 
 	mp := &CListMempool{
-		config:        config,
+		config:        cfg,
 		proxyAppConn:  proxyAppConn,
 		txs:           clist.New(),
 		height:        height,
@@ -86,8 +86,8 @@ func NewCListMempool(
 		metrics:       mempool.NopMetrics(),
 	}
 
-	if config.CacheSize > 0 {
-		mp.cache = mempool.NewLRUTxCache(config.CacheSize)
+	if cfg.CacheSize > 0 {
+		mp.cache = mempool.NewLRUTxCache(cfg.CacheSize)
 	} else {
 		mp.cache = mempool.NopTxCache{}
 	}

internal/mempool/v0/clist_mempool_test.go

@@ -15,15 +15,15 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	abciserver "github.com/tendermint/tendermint/abci/server"
 	abci "github.com/tendermint/tendermint/abci/types"
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/internal/mempool"
 	"github.com/tendermint/tendermint/libs/log"
 	tmrand "github.com/tendermint/tendermint/libs/rand"
 	"github.com/tendermint/tendermint/libs/service"
-	"github.com/tendermint/tendermint/proxy"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -31,22 +31,22 @@ import (
 // test.
 type cleanupFunc func()
 
-func newMempoolWithApp(cc proxy.ClientCreator) (*CListMempool, cleanupFunc) {
-	return newMempoolWithAppAndConfig(cc, cfg.ResetTestRoot("mempool_test"))
+func newMempoolWithApp(cc abciclient.Creator) (*CListMempool, cleanupFunc) {
+	return newMempoolWithAppAndConfig(cc, config.ResetTestRoot("mempool_test"))
 }
 
-func newMempoolWithAppAndConfig(cc proxy.ClientCreator, config *cfg.Config) (*CListMempool, cleanupFunc) {
-	appConnMem, _ := cc.NewABCIClient()
+func newMempoolWithAppAndConfig(cc abciclient.Creator, cfg *config.Config) (*CListMempool, cleanupFunc) {
+	appConnMem, _ := cc()
 	appConnMem.SetLogger(log.TestingLogger().With("module", "abci-client", "connection", "mempool"))
 	err := appConnMem.Start()
 	if err != nil {
 		panic(err)
 	}
 
-	mp := NewCListMempool(config.Mempool, appConnMem, 0)
+	mp := NewCListMempool(cfg.Mempool, appConnMem, 0)
 	mp.SetLogger(log.TestingLogger())
 
-	return mp, func() { os.RemoveAll(config.RootDir) }
+	return mp, func() { os.RemoveAll(cfg.RootDir) }
 }
 
 func ensureNoFire(t *testing.T, ch <-chan struct{}, timeoutMS int) {
@@ -92,7 +92,7 @@ func checkTxs(t *testing.T, mp mempool.Mempool, count int, peerID uint16) types.
 
 func TestReapMaxBytesMaxGas(t *testing.T) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 
@@ -141,7 +141,7 @@ func TestReapMaxBytesMaxGas(t *testing.T) {
 
 func TestMempoolFilters(t *testing.T) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 	emptyTxArr := []types.Tx{[]byte{}}
@@ -180,7 +180,7 @@ func TestMempoolFilters(t *testing.T) {
 
 func TestMempoolUpdate(t *testing.T) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 
@@ -216,8 +216,8 @@ func TestMempoolUpdate(t *testing.T) {
 
 func TestMempool_KeepInvalidTxsInCache(t *testing.T) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
-	wcfg := cfg.DefaultConfig()
+	cc := abciclient.NewLocalCreator(app)
+	wcfg := config.DefaultConfig()
 	wcfg.Mempool.KeepInvalidTxsInCache = true
 	mp, cleanup := newMempoolWithAppAndConfig(cc, wcfg)
 	defer cleanup()
@@ -264,7 +264,7 @@ func TestMempool_KeepInvalidTxsInCache(t *testing.T) {
 
 func TestTxsAvailable(t *testing.T) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 	mp.EnableTxsAvailable()
@@ -308,12 +308,12 @@ func TestTxsAvailable(t *testing.T) {
 
 func TestSerialReap(t *testing.T) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 
 	mp, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 
-	appConnCon, _ := cc.NewABCIClient()
+	appConnCon, _ := cc()
 	appConnCon.SetLogger(log.TestingLogger().With("module", "abci-client", "connection", "consensus"))
 	err := appConnCon.Start()
 	require.Nil(t, err)
@@ -419,7 +419,7 @@ func TestSerialReap(t *testing.T) {
 
 func TestMempool_CheckTxChecksTxSize(t *testing.T) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
+	cc := abciclient.NewLocalCreator(app)
 	mempl, cleanup := newMempoolWithApp(cc)
 	defer cleanup()
 
@@ -464,10 +464,10 @@ func TestMempool_CheckTxChecksTxSize(t *testing.T) {
 
 func TestMempoolTxsBytes(t *testing.T) {
 	app := kvstore.NewApplication()
-	cc := proxy.NewLocalClientCreator(app)
-	config := cfg.ResetTestRoot("mempool_test")
-	config.Mempool.MaxTxsBytes = 10
-	mp, cleanup := newMempoolWithAppAndConfig(cc, config)
+	cc := abciclient.NewLocalCreator(app)
+	cfg := config.ResetTestRoot("mempool_test")
+	cfg.Mempool.MaxTxsBytes = 10
+	mp, cleanup := newMempoolWithAppAndConfig(cc, cfg)
 	defer cleanup()
 
 	// 1. zero by default
@@ -507,7 +507,7 @@ func TestMempoolTxsBytes(t *testing.T) {
 
 	// 6. zero after tx is rechecked and removed due to not being valid anymore
 	app2 := kvstore.NewApplication()
-	cc = proxy.NewLocalClientCreator(app2)
+	cc = abciclient.NewLocalCreator(app2)
 	mp, cleanup = newMempoolWithApp(cc)
 	defer cleanup()
 
@@ -518,7 +518,7 @@ func TestMempoolTxsBytes(t *testing.T) {
 	require.NoError(t, err)
 	assert.EqualValues(t, 8, mp.SizeBytes())
 
-	appConnCon, _ := cc.NewABCIClient()
+	appConnCon, _ := cc()
 	appConnCon.SetLogger(log.TestingLogger().With("module", "abci-client", "connection", "consensus"))
 	err = appConnCon.Start()
 	require.Nil(t, err)
@@ -564,8 +564,8 @@ func TestMempoolRemoteAppConcurrency(t *testing.T) {
 			t.Error(err)
 		}
 	})
-	config := cfg.ResetTestRoot("mempool_test")
-	mp, cleanup := newMempoolWithAppAndConfig(cc, config)
+	cfg := config.ResetTestRoot("mempool_test")
+	mp, cleanup := newMempoolWithAppAndConfig(cc, cfg)
 	defer cleanup()
 
 	// generate small number of txs
@@ -577,7 +577,7 @@ func TestMempoolRemoteAppConcurrency(t *testing.T) {
 	}
 
 	// simulate a group of peers sending them over and over
-	N := config.Mempool.Size
+	N := cfg.Mempool.Size
 	maxPeers := 5
 	for i := 0; i < N; i++ {
 		peerID := mrand.Intn(maxPeers)
@@ -597,10 +597,10 @@ func newRemoteApp(
 	addr string,
 	app abci.Application,
 ) (
-	clientCreator proxy.ClientCreator,
+	clientCreator abciclient.Creator,
 	server service.Service,
 ) {
-	clientCreator = proxy.NewRemoteClientCreator(addr, "socket", true)
+	clientCreator = abciclient.NewRemoteCreator(addr, "socket", true)
 
 	// Start server
 	server = abciserver.NewSocketServer(addr, app)

internal/mempool/v0/reactor.go

@@ -8,7 +8,7 @@ import (
 	"sync"
 	"time"
 
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/internal/libs/clist"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
 	"github.com/tendermint/tendermint/internal/mempool"
@@ -37,7 +37,7 @@ type PeerManager interface {
 type Reactor struct {
 	service.BaseService
 
-	config  *cfg.MempoolConfig
+	cfg     *config.MempoolConfig
 	mempool *CListMempool
 	ids     *mempool.MempoolIDs
 
@@ -61,7 +61,7 @@ type Reactor struct {
 // NewReactor returns a reference to a new reactor.
 func NewReactor(
 	logger log.Logger,
-	config *cfg.MempoolConfig,
+	cfg *config.MempoolConfig,
 	peerMgr PeerManager,
 	mp *CListMempool,
 	mempoolCh *p2p.Channel,
@@ -69,7 +69,7 @@ func NewReactor(
 ) *Reactor {
 
 	r := &Reactor{
-		config:       config,
+		cfg:          cfg,
 		peerMgr:      peerMgr,
 		mempool:      mp,
 		ids:          mempool.NewMempoolIDs(),
@@ -90,8 +90,8 @@ func NewReactor(
 //
 // TODO: Remove once p2p refactor is complete.
 // ref: https://github.com/tendermint/tendermint/issues/5670
-func GetChannelShims(config *cfg.MempoolConfig) map[p2p.ChannelID]*p2p.ChannelDescriptorShim {
-	largestTx := make([]byte, config.MaxTxBytes)
+func GetChannelShims(cfg *config.MempoolConfig) map[p2p.ChannelID]*p2p.ChannelDescriptorShim {
+	largestTx := make([]byte, cfg.MaxTxBytes)
 	batchMsg := protomem.Message{
 		Sum: &protomem.Message_Txs{
 			Txs: &protomem.Txs{Txs: [][]byte{largestTx}},
@@ -117,7 +117,7 @@ func GetChannelShims(config *cfg.MempoolConfig) map[p2p.ChannelID]*p2p.ChannelDe
 // messages on that p2p channel accordingly. The caller must be sure to execute
 // OnStop to ensure the outbound p2p Channels are closed.
 func (r *Reactor) OnStart() error {
-	if !r.config.Broadcast {
+	if !r.cfg.Broadcast {
 		r.Logger.Info("tx broadcasting is disabled")
 	}
 
@@ -254,7 +254,7 @@ func (r *Reactor) processPeerUpdate(peerUpdate p2p.PeerUpdate) {
 			return
 		}
 
-		if r.config.Broadcast {
+		if r.cfg.Broadcast {
 			// Check if we've already started a goroutine for this peer, if not we create
 			// a new done channel so we can explicitly close the goroutine if the peer
 			// is later removed, we increment the waitgroup so the reactor can stop

internal/mempool/v0/reactor_test.go

@@ -8,16 +8,16 @@ import (
 
 	"github.com/stretchr/testify/require"
 
+	abciclient "github.com/tendermint/tendermint/abci/client"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	abci "github.com/tendermint/tendermint/abci/types"
-	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/internal/mempool"
 	"github.com/tendermint/tendermint/internal/p2p"
 	"github.com/tendermint/tendermint/internal/p2p/p2ptest"
 	"github.com/tendermint/tendermint/libs/log"
 	tmrand "github.com/tendermint/tendermint/libs/rand"
 	protomem "github.com/tendermint/tendermint/proto/tendermint/mempool"
-	"github.com/tendermint/tendermint/proxy"
 	"github.com/tendermint/tendermint/types"
 )
 
@@ -36,7 +36,7 @@ type reactorTestSuite struct {
 	nodes []types.NodeID
 }
 
-func setup(t *testing.T, cfg *cfg.MempoolConfig, numNodes int, chBuf uint) *reactorTestSuite {
+func setup(t *testing.T, config *config.MempoolConfig, numNodes int, chBuf uint) *reactorTestSuite {
 	t.Helper()
 
 	rts := &reactorTestSuite{
@@ -55,7 +55,7 @@ func setup(t *testing.T, cfg *cfg.MempoolConfig, numNodes int, chBuf uint) *reac
 
 	for nodeID := range rts.network.Nodes {
 		rts.kvstores[nodeID] = kvstore.NewApplication()
-		cc := proxy.NewLocalClientCreator(rts.kvstores[nodeID])
+		cc := abciclient.NewLocalCreator(rts.kvstores[nodeID])
 
 		mempool, memCleanup := newMempoolWithApp(cc)
 		t.Cleanup(memCleanup)
@@ -68,7 +68,7 @@ func setup(t *testing.T, cfg *cfg.MempoolConfig, numNodes int, chBuf uint) *reac
 
 		rts.reactors[nodeID] = NewReactor(
 			rts.logger.With("nodeID", nodeID),
-			cfg,
+			config,
 			rts.network.Nodes[nodeID].PeerManager,
 			mempool,
 			rts.mempoolChnnels[nodeID],
@@ -158,9 +158,9 @@ func (rts *reactorTestSuite) waitForTxns(t *testing.T, txs types.Txs, ids ...typ
 func TestReactorBroadcastTxs(t *testing.T) {
 	numTxs := 1000
 	numNodes := 10
-	config := cfg.TestConfig()
+	cfg := config.TestConfig()
 
-	rts := setup(t, config.Mempool, numNodes, 0)
+	rts := setup(t, cfg.Mempool, numNodes, 0)
 
 	primary := rts.nodes[0]
 	secondaries := rts.nodes[1:]
@@ -185,9 +185,9 @@ func TestReactorBroadcastTxs(t *testing.T) {
 func TestReactorConcurrency(t *testing.T) {
 	numTxs := 5
 	numNodes := 2
-	config := cfg.TestConfig()
+	cfg := config.TestConfig()
 
-	rts := setup(t, config.Mempool, numNodes, 0)
+	rts := setup(t, cfg.Mempool, numNodes, 0)
 
 	primary := rts.nodes[0]
 	secondary := rts.nodes[1]
@@ -244,9 +244,9 @@ func TestReactorConcurrency(t *testing.T) {
 func TestReactorNoBroadcastToSender(t *testing.T) {
 	numTxs := 1000
 	numNodes := 2
-	config := cfg.TestConfig()
+	cfg := config.TestConfig()
 
-	rts := setup(t, config.Mempool, numNodes, uint(numTxs))
+	rts := setup(t, cfg.Mempool, numNodes, uint(numTxs))
 
 	primary := rts.nodes[0]
 	secondary := rts.nodes[1]
@@ -267,16 +267,16 @@ func TestReactorNoBroadcastToSender(t *testing.T) {
 
 func TestReactor_MaxTxBytes(t *testing.T) {
 	numNodes := 2
-	config := cfg.TestConfig()
+	cfg := config.TestConfig()
 
-	rts := setup(t, config.Mempool, numNodes, 0)
+	rts := setup(t, cfg.Mempool, numNodes, 0)
 
 	primary := rts.nodes[0]
 	secondary := rts.nodes[1]
 
 	// Broadcast a tx, which has the max size and ensure it's received by the
 	// second reactor.
-	tx1 := tmrand.Bytes(config.Mempool.MaxTxBytes)
+	tx1 := tmrand.Bytes(cfg.Mempool.MaxTxBytes)
 	err := rts.reactors[primary].mempool.CheckTx(
 		context.Background(),
 		tx1,
@@ -297,7 +297,7 @@ func TestReactor_MaxTxBytes(t *testing.T) {
 	rts.reactors[secondary].mempool.Flush()
 
 	// broadcast a tx, which is beyond the max size and ensure it's not sent
-	tx2 := tmrand.Bytes(config.Mempool.MaxTxBytes + 1)
+	tx2 := tmrand.Bytes(cfg.Mempool.MaxTxBytes + 1)
 	err = rts.mempools[primary].CheckTx(context.Background(), tx2, nil, mempool.TxInfo{SenderID: mempool.UnknownPeerID})
 	require.Error(t, err)
 
@@ -305,11 +305,11 @@ func TestReactor_MaxTxBytes(t *testing.T) {
 }
 
 func TestDontExhaustMaxActiveIDs(t *testing.T) {
-	config := cfg.TestConfig()
+	cfg := config.TestConfig()
 
 	// we're creating a single node network, but not starting the
 	// network.
-	rts := setup(t, config.Mempool, 1, mempool.MaxActiveIDs+1)
+	rts := setup(t, cfg.Mempool, 1, mempool.MaxActiveIDs+1)
 
 	nodeID := rts.nodes[0]
 
@@ -374,9 +374,9 @@ func TestBroadcastTxForPeerStopsWhenPeerStops(t *testing.T) {
 		t.Skip("skipping test in short mode")
 	}
 
-	config := cfg.TestConfig()
+	cfg := config.TestConfig()
 
-	rts := setup(t, config.Mempool, 2, 0)
+	rts := setup(t, cfg.Mempool, 2, 0)
 
 	primary := rts.nodes[0]
 	secondary := rts.nodes[1]