Fix execution.go

(cherry picked from commit befd669794)

Co-authored-by: Sam Kleinman <garen@tychoish.com>

.golangci.yml

@@ -6,6 +6,7 @@ linters:
     - dogsled
     - dupl
     - errcheck
+    - exportloopref
     # - funlen
     # - gochecknoglobals
     # - gochecknoinits
@@ -26,7 +27,7 @@ linters:
     # - maligned
     - nakedret
     - prealloc
-    - scopelint
+    # - scopelint
     - staticcheck
     - structcheck
     - stylecheck

CHANGELOG.md

@@ -1,11 +1,40 @@
 # Changelog
 
+Friendly reminder, we have a [bug bounty program](https://hackerone.com/cosmos).
+
+## v0.34.14
+
+This release backports the `rollback` feature to allow recovery in the event of an incorrect app hash.
+
+### FEATURES
+
+- [\#6982](https://github.com/tendermint/tendermint/pull/6982) The tendermint binary now has built-in suppport for running the end-to-end test application (with state sync support) (@cmwaters).
+- [cli] [#7033](https://github.com/tendermint/tendermint/pull/7033) Add a `rollback` command to rollback to the previous tendermint state. This may be useful in the event of non-determinstic app hash or when reverting an upgrade. @cmwaters
+
+### IMPROVEMENTS
+
+- [\#7103](https://github.com/tendermint/tendermint/pull/7104) Remove IAVL dependency (backport of #6550) (@cmwaters)
+
+### BUG FIXES
+
+- [\#7057](https://github.com/tendermint/tendermint/pull/7057) Import Postgres driver support for the psql indexer (@creachadair).
+- [ABCI] [\#7110](https://github.com/tendermint/tendermint/issues/7110) Revert "change client to use multi-reader mutexes (#6873)" (@tychoish).
+
+## v0.34.13
+
+This release backports improvements to state synchronization and ABCI
+performance under concurrent load, and the PostgreSQL event indexer.
+
+### IMPROVEMENTS
+
+- [statesync] [\#6881](https://github.com/tendermint/tendermint/issues/6881) improvements to stateprovider logic (@cmwaters)
+- [ABCI] [\#6873](https://github.com/tendermint/tendermint/issues/6873) change client to use multi-reader mutexes (@tychoish)
+- [indexing] [\#6906](https://github.com/tendermint/tendermint/issues/6906) enable the PostgreSQL indexer sink (@creachadair)
+
 ## v0.34.12
 
 Special thanks to external contributors on this release: @JayT106.
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### FEATURES
 
 - [rpc] [\#6717](https://github.com/tendermint/tendermint/pull/6717) introduce
@@ -28,8 +57,6 @@ Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermi
 This release improves the robustness of statesync; tweaking channel priorities and timeouts and
 adding two new parameters to the state sync config.
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES
 
 - Apps
@@ -53,8 +80,6 @@ This release fixes a bug where peers would sometimes try to send messages
 on incorrect channels. Special thanks to our friends at Oasis Labs for surfacing
 this issue!
 
-Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
-
 - [p2p/node] [\#6339](https://github.com/tendermint/tendermint/issues/6339) Fix bug with using custom channels (@cmwaters)
 - [light] [\#6346](https://github.com/tendermint/tendermint/issues/6346) Correctly handle too high errors to improve client robustness (@cmwaters)
 
@@ -70,8 +95,6 @@ This release also includes a small Go API-breaking change, to reduce panics in t
 
 Special thanks to our external contributors on this release: @gchaincl
 
-Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES
 
 - Go API
@@ -94,8 +117,6 @@ Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermi
 This release, in conjunction with [a fix in the Cosmos SDK](https://github.com/cosmos/cosmos-sdk/pull/8641),
 introduces changes that should mean the logs are much, much quieter. 🎉
 
-Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### IMPROVEMENTS
 
 - [libs/log] [\#6174](https://github.com/tendermint/tendermint/issues/6174) Include timestamp (`ts` field; `time.RFC3339Nano` format) in JSON logger output (@melekes)
@@ -133,8 +154,6 @@ use remote signer implementations instead of `FilePV` in production.
 Thank you to @joe-bowman for his assistance with this vulnerability and a particular
 shout-out to @marbar3778 for diagnosing it quickly.
 
-Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BUG FIXES
 
 - [consensus] [\#6128](https://github.com/tendermint/tendermint/pull/6128) Remove privValidator from log call (@tessr)
@@ -155,8 +174,6 @@ Thank you to our friends at Crypto.com for the initial report of this memory lea
 
 Special thanks to other external contributors on this release: @yayajacky, @odidev, @laniehei, and @c29r3!
 
-Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BUG FIXES
 
 - [light] [\#6022](https://github.com/tendermint/tendermint/pull/6022) Fix a bug when the number of validators equals 100 (@melekes)
@@ -176,8 +193,6 @@ or https://nvd.nist.gov/vuln/detail/CVE-2021-21271.
 Tendermint Core v0.34.3 also updates GoGo Protobuf to 1.3.2 in order to pick up the fix for
 https://nvd.nist.gov/vuln/detail/CVE-2021-3121.
 
-Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BUG FIXES
 
 - [evidence] [[security fix]](https://github.com/tendermint/tendermint/security/advisories/GHSA-p658-8693-mhvg) Use correct source of evidence time (@cmwaters)
@@ -191,8 +206,6 @@ This release fixes a substantial bug in evidence handling where evidence could
 sometimes be broadcast before the block containing that evidence was fully committed,
 resulting in some nodes panicking when trying to verify said evidence.
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES
 
 - Go API
@@ -216,8 +229,6 @@ disconnecting from this node. As a temporary remedy (until the mempool package
 is refactored), the `max-batch-bytes` was disabled. Transactions will be sent
 one by one without batching.
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES
 
 - CLI/RPC/Config
@@ -246,8 +257,6 @@ Holy smokes, this is a big one! For a more reader-friendly overview of the chang
 Special thanks to external contributors on this release: @james-ray, @fedekunze, @favadi, @alessio,
 @joe-bowman, @cuonglm, @SadPencil and @dongsam.
 
-And as always, friendly reminder, that we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES
 
 - CLI/RPC/Config
@@ -488,9 +497,6 @@ as 2/3+ of the signatures are checked._
 
 Special thanks to @njmurarka at Bluzelle Networks for reporting this.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### SECURITY:
 
 - [consensus] Do not allow signatures for a wrong block in commits (@ebuchman)
@@ -506,8 +512,6 @@ need to update your code.**
 
 Special thanks to external contributors on this release: @tau3,
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 - Go API
@@ -567,8 +571,6 @@ Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermi
 
 Special thanks to external contributors on this release: @whylee259, @greg-szabo
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 - Go API
@@ -655,9 +657,6 @@ Notes:
 Special thanks to [fudongbai](https://hackerone.com/fudongbai) for finding
 and reporting this.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### SECURITY:
 
 - [mempool] Reserve IDs in InitPeer instead of AddPeer (@tessr)
@@ -670,8 +669,6 @@ program](https://hackerone.com/tendermint).
 Special thanks to external contributors on this release:
 @antho1404, @michaelfig, @gterzian, @tau3, @Shivani912
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 - CLI/RPC/Config
@@ -722,9 +719,6 @@ Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermi
 Special thanks to external contributors on this release:
 @princesinha19
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### FEATURES:
 
 - [rpc] [\#3333](https://github.com/tendermint/tendermint/issues/3333) Add `order_by` to `/tx_search` endpoint, allowing to change default ordering from asc to desc (@princesinha19)
@@ -743,9 +737,6 @@ program](https://hackerone.com/tendermint).
 
 Special thanks to external contributors on this release: @mrekucci, @PSalant726, @princesinha19, @greg-szabo, @dongsam, @cuonglm, @jgimeno, @yenkhoon
 
-Friendly reminder, we have a [bug bounty
-program.](https://hackerone.com/tendermint).
-
 *January 14, 2020*
 
 This release contains breaking changes to the `Block#Header`, specifically
@@ -974,9 +965,6 @@ Notes:
 Special thanks to [fudongbai](https://hackerone.com/fudongbai) for finding
 and reporting this.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### SECURITY:
 
 - [mempool] Reserve IDs in InitPeer instead of AddPeer (@tessr)
@@ -988,9 +976,6 @@ _January, 9, 2020_
 
 Special thanks to external contributors on this release: @greg-szabo, @gregzaitsev, @yenkhoon
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### FEATURES:
 
 - [rpc/lib] [\#4248](https://github.com/tendermint/tendermint/issues/4248) RPC client basic authentication support (@greg-szabo)
@@ -1012,9 +997,6 @@ program](https://hackerone.com/tendermint).
 
 Special thanks to external contributors on this release: @erikgrinaker, @guagualvcha, @hsyis, @cosmostuba, @whunmr, @austinabell
 
-Friendly reminder, we have a [bug bounty
-program.](https://hackerone.com/tendermint).
-
 
 ### BREAKING CHANGES:
 
@@ -1054,9 +1036,6 @@ identified and fixed here.
 Special thanks to [elvishacker](https://hackerone.com/elvishacker) for finding
 and reporting this.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 - Go API
@@ -1083,9 +1062,6 @@ accepting new peers and only allowing `ed25519` pubkeys.
 Special thanks to [fudongbai](https://hackerone.com/fudongbai) for pointing
 this out.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### SECURITY:
 
 - [p2p] [\#4030](https://github.com/tendermint/tendermint/issues/4030) Only allow ed25519 pubkeys when connecting
@@ -1101,9 +1077,6 @@ All clients are recommended to upgrade. See
 Special thanks to [fudongbai](https://hackerone.com/fudongbai) for discovering
 and reporting this issue.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### SECURITY:
 
 - [p2p] [\#4030](https://github.com/tendermint/tendermint/issues/4030) Fix for panic on nil public key send to a peer
@@ -1114,9 +1087,6 @@ program](https://hackerone.com/tendermint).
 
 Special thanks to external contributors on this release: @jon-certik, @gracenoah, @PSalant726, @gchaincl
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 - CLI/RPC/Config
@@ -1152,9 +1122,6 @@ guide.
 Special thanks to external contributors on this release:
 @gchaincl, @bluele, @climber73
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### IMPROVEMENTS:
 
 - [consensus] [\#3839](https://github.com/tendermint/tendermint/issues/3839) Reduce "Error attempting to add vote" message severity (Error -> Info)
@@ -1175,9 +1142,6 @@ program](https://hackerone.com/tendermint).
 Special thanks to external contributors on this release:
 @ruseinov, @bluele, @guagualvcha
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 - Go API
@@ -1217,9 +1181,6 @@ This release contains a minor enhancement to the ABCI and some breaking changes
 - CheckTx requests include a `CheckTxType` enum that can be set to `Recheck` to indicate to the application that this transaction was already checked/validated and certain expensive operations (like checking signatures) can be skipped
 - Removed various functions from `libs` pkgs
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 - Go API
@@ -1265,9 +1226,6 @@ and the RPC, namely:
   [docs](https://github.com/tendermint/tendermint/blob/60827f75623b92eff132dc0eff5b49d2025c591e/docs/spec/abci/abci.md#events)
 - Bind RPC to localhost by default, not to the public interface [UPGRADING/RPC_Changes](./UPGRADING.md#rpc_changes)
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 * CLI/RPC/Config
@@ -1368,9 +1326,6 @@ Notes:
 Special thanks to [fudongbai](https://hackerone.com/fudongbai) for finding
 and reporting this.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### SECURITY:
 
 - [mempool] Reserve IDs in InitPeer instead of AddPeer (@tessr)
@@ -1390,9 +1345,6 @@ identified and fixed here.
 Special thanks to [elvishacker](https://hackerone.com/elvishacker) for finding
 and reporting this.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 - Go API
@@ -1419,9 +1371,6 @@ accepting new peers and only allowing `ed25519` pubkeys.
 Special thanks to [fudongbai](https://hackerone.com/fudongbai) for pointing
 this out.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### SECURITY:
 
 - [p2p] [\#4030](https://github.com/tendermint/tendermint/issues/4030) Only allow ed25519 pubkeys when connecting
@@ -1437,9 +1386,6 @@ All clients are recommended to upgrade. See
 Special thanks to [fudongbai](https://hackerone.com/fudongbai) for discovering
 and reporting this issue.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### SECURITY:
 
 - [p2p] [\#4030](https://github.com/tendermint/tendermint/issues/4030) Fix for panic on nil public key send to a peer
@@ -1734,9 +1680,6 @@ See the [v0.31.0
 Milestone](https://github.com/tendermint/tendermint/milestone/19?closed=1) for
 more details.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 * CLI/RPC/Config
@@ -1867,7 +1810,7 @@ For more, see issues marked
 
 This release also includes a fix to prevent Tendermint from including the same
 piece of evidence in more than one block. This issue was reported by @chengwenxi in our
-[bug bounty program](https://hackerone.com/tendermint).
+[bug bounty program](https://hackerone.com/cosmos).
 
 ### BREAKING CHANGES:
 
@@ -1956,9 +1899,6 @@ This release contains two important fixes: one for p2p layer where we sometimes
 were not closing connections and one for consensus layer where consensus with
 no empty blocks (`create_empty_blocks = false`) could halt.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### IMPROVEMENTS:
 - [pex] [\#3037](https://github.com/tendermint/tendermint/issues/3037) Only log "Reached max attempts to dial" once
 - [rpc] [\#3159](https://github.com/tendermint/tendermint/issues/3159) Expose
@@ -1997,9 +1937,6 @@ While we are trying to stabilize the Block protocol to preserve compatibility
 with old chains, there may be some final changes yet to come before Cosmos
 launch as we continue to audit and test the software.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 * CLI/RPC/Config
@@ -2047,9 +1984,6 @@ program](https://hackerone.com/tendermint).
 Special thanks to external contributors on this release:
 @HaoyangLiu
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BUG FIXES:
 - [consensus] Fix consensus halt from proposing blocks with too much evidence
 
@@ -2177,9 +2111,6 @@ Special thanks to @dlguddus for discovering a [major
 issue](https://github.com/tendermint/tendermint/issues/2718#issuecomment-440888677)
 in the proposer selection algorithm.
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 This release is primarily about fixes to the proposer selection algorithm
 in preparation for the [Cosmos Game of
 Stakes](https://blog.cosmos.network/the-game-of-stakes-is-open-for-registration-83a404746ee6).
@@ -2241,9 +2172,6 @@ Special thanks to external contributors on this release:
 @ackratos, @goolAdapter, @james-ray, @joe-bowman, @kostko,
 @nagarajmanjunath, @tomtau
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### FEATURES:
 
 - [rpc] [\#2747](https://github.com/tendermint/tendermint/issues/2747) Enable subscription to tags emitted from `BeginBlock`/`EndBlock` (@kostko)
@@ -2282,9 +2210,6 @@ program](https://hackerone.com/tendermint).
 Special thanks to external contributors on this release:
 @danil-lashin, @kevlubkcm, @krhubert, @srmo
 
-Friendly reminder, we have a [bug bounty
-program](https://hackerone.com/tendermint).
-
 ### BREAKING CHANGES:
 
 * Go API
@@ -2328,8 +2253,6 @@ program](https://hackerone.com/tendermint).
 
 Special thanks to external contributors on this release: @hleb-albau, @zhuzeyu
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### FEATURES:
 
 - [rpc] [\#2582](https://github.com/tendermint/tendermint/issues/2582) Enable CORS on RPC API (@hleb-albau)
@@ -2347,8 +2270,6 @@ Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermi
 
 Special thanks to external contributors on this release: @katakonst
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 ### IMPROVEMENTS:
 
 - [consensus] [\#2704](https://github.com/tendermint/tendermint/issues/2704) Simplify valid POL round logic
@@ -2376,7 +2297,7 @@ Special thanks to external contributors on this release:
 @james-ray, @overbool, @phymbert, @Slamper, @Uzair1995, @yutianwu.
 
 Special thanks to @Slamper for a series of bug reports in our [bug bounty
-program](https://hackerone.com/tendermint) which are fixed in this release.
+program](https://hackerone.com/cosmos) which are fixed in this release.
 
 This release is primarily about adding Version fields to various data structures,
 optimizing consensus messages for signing and verification in
@@ -2522,8 +2443,6 @@ It also addresses some issues found via security audit, removes various unused
 functions from `libs/common`, and implements
 [ADR-012](https://github.com/tendermint/tendermint/blob/develop/docs/architecture/adr-012-peer-transport.md).
 
-Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
 BREAKING CHANGES:
 
 * CLI/RPC/Config

CHANGELOG_PENDING.md

@@ -1,6 +1,6 @@
 # Unreleased Changes
 
-## v0.34.13
+## v0.34.15
 
 Special thanks to external contributors on this release:
 
@@ -22,5 +22,7 @@ Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermi
 
 ### IMPROVEMENTS
 
+### BUG FIXES
 
-### BUG FIXES
+- [\#7057](https://github.com/tendermint/tendermint/pull/7057) Import Postgres driver support for the psql indexer (@creachadair).
+- [\#7106](https://github.com/tendermint/tendermint/pull/7106) Revert mutex change to ABCI Clients (@tychoish).

abci/client/local_client.go

@@ -20,6 +20,12 @@ type localClient struct {
 	Callback
 }
 
+var _ Client = (*localClient)(nil)
+
+// NewLocalClient creates a local client, which will be directly calling the
+// methods of the given app.
+//
+// Both Async and Sync methods ignore the given context.Context parameter.
 func NewLocalClient(mtx *tmsync.Mutex, app types.Application) Client {
 	if mtx == nil {
 		mtx = new(tmsync.Mutex)

abci/types/types.pb.go

@@ -761,9 +761,12 @@ func (m *RequestQuery) GetProve() bool {
 
 type RequestBeginBlock struct {
 	Hash                []byte         `protobuf:"bytes,1,opt,name=hash,proto3" json:"hash,omitempty"`
-	Header              types1.Header  `protobuf:"bytes,2,opt,name=header,proto3" json:"header"`
 	LastCommitInfo      LastCommitInfo `protobuf:"bytes,3,opt,name=last_commit_info,json=lastCommitInfo,proto3" json:"last_commit_info"`
 	ByzantineValidators []Evidence     `protobuf:"bytes,4,rep,name=byzantine_validators,json=byzantineValidators,proto3" json:"byzantine_validators"`
+	Height              int64          `protobuf:"varint,5,opt,name=height,proto3" json:"height,omitempty"`
+	Time                time.Time      `protobuf:"bytes,6,opt,name=time,proto3,stdtime" json:"time"`
+	NextValidatorsHash  []byte         `protobuf:"bytes,7,opt,name=next_validators_hash,json=nextValidatorsHash,proto3" json:"next_validators_hash,omitempty"`
+	ProposerAddress     []byte         `protobuf:"bytes,8,opt,name=proposer_address,json=proposerAddress,proto3" json:"proposer_address,omitempty"`
 }
 
 func (m *RequestBeginBlock) Reset()         { *m = RequestBeginBlock{} }
@@ -806,13 +809,6 @@ func (m *RequestBeginBlock) GetHash() []byte {
 	return nil
 }
 
-func (m *RequestBeginBlock) GetHeader() types1.Header {
-	if m != nil {
-		return m.Header
-	}
-	return types1.Header{}
-}
-
 func (m *RequestBeginBlock) GetLastCommitInfo() LastCommitInfo {
 	if m != nil {
 		return m.LastCommitInfo
@@ -827,6 +823,34 @@ func (m *RequestBeginBlock) GetByzantineValidators() []Evidence {
 	return nil
 }
 
+func (m *RequestBeginBlock) GetHeight() int64 {
+	if m != nil {
+		return m.Height
+	}
+	return 0
+}
+
+func (m *RequestBeginBlock) GetTime() time.Time {
+	if m != nil {
+		return m.Time
+	}
+	return time.Time{}
+}
+
+func (m *RequestBeginBlock) GetNextValidatorsHash() []byte {
+	if m != nil {
+		return m.NextValidatorsHash
+	}
+	return nil
+}
+
+func (m *RequestBeginBlock) GetProposerAddress() []byte {
+	if m != nil {
+		return m.ProposerAddress
+	}
+	return nil
+}
+
 type RequestCheckTx struct {
 	Tx   []byte      `protobuf:"bytes,1,opt,name=tx,proto3" json:"tx,omitempty"`
 	Type CheckTxType `protobuf:"varint,2,opt,name=type,proto3,enum=tendermint.abci.CheckTxType" json:"type,omitempty"`
@@ -3199,179 +3223,181 @@ func init() {
 func init() { proto.RegisterFile("tendermint/abci/types.proto", fileDescriptor_252557cfdd89a31a) }
 
 var fileDescriptor_252557cfdd89a31a = []byte{
-	// 2741 bytes of a gzipped FileDescriptorProto
+	// 2769 bytes of a gzipped FileDescriptorProto
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+	0x74, 0x24, 0xd1, 0x10, 0xd0, 0x0c, 0x32, 0x7f, 0x81, 0xab, 0xee, 0xf2, 0x45, 0x1a, 0x94, 0xd5,
+	0xfa, 0xd7, 0x4f, 0x36, 0xa2, 0xdf, 0x3c, 0xd9, 0x88, 0xfe, 0xed, 0xc9, 0x46, 0xf4, 0xcb, 0xa7,
+	0x1b, 0x91, 0x6f, 0x9e, 0x6e, 0x44, 0xfe, 0xf2, 0x74, 0x23, 0xf2, 0x8b, 0x57, 0x7b, 0x3a, 0xed,
+	0x8f, 0xdb, 0x5b, 0x1d, 0x73, 0xb8, 0xed, 0xff, 0x1f, 0xce, 0xac, 0x7f, 0xff, 0xb4, 0x53, 0xfc,
+	0xa0, 0xba, 0xf9, 0xdf, 0x00, 0x00, 0x00, 0xff, 0xff, 0xba, 0x12, 0xce, 0x82, 0x1d, 0x24, 0x00,
+	0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -4583,6 +4609,33 @@ func (m *RequestBeginBlock) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if len(m.ProposerAddress) > 0 {
+		i -= len(m.ProposerAddress)
+		copy(dAtA[i:], m.ProposerAddress)
+		i = encodeVarintTypes(dAtA, i, uint64(len(m.ProposerAddress)))
+		i--
+		dAtA[i] = 0x42
+	}
+	if len(m.NextValidatorsHash) > 0 {
+		i -= len(m.NextValidatorsHash)
+		copy(dAtA[i:], m.NextValidatorsHash)
+		i = encodeVarintTypes(dAtA, i, uint64(len(m.NextValidatorsHash)))
+		i--
+		dAtA[i] = 0x3a
+	}
+	n18, err18 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Time, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Time):])
+	if err18 != nil {
+		return 0, err18
+	}
+	i -= n18
+	i = encodeVarintTypes(dAtA, i, uint64(n18))
+	i--
+	dAtA[i] = 0x32
+	if m.Height != 0 {
+		i = encodeVarintTypes(dAtA, i, uint64(m.Height))
+		i--
+		dAtA[i] = 0x28
+	}
 	if len(m.ByzantineValidators) > 0 {
 		for iNdEx := len(m.ByzantineValidators) - 1; iNdEx >= 0; iNdEx-- {
 			{
@@ -4607,16 +4660,6 @@ func (m *RequestBeginBlock) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	}
 	i--
 	dAtA[i] = 0x1a
-	{
-		size, err := m.Header.MarshalToSizedBuffer(dAtA[:i])
-		if err != nil {
-			return 0, err
-		}
-		i -= size
-		i = encodeVarintTypes(dAtA, i, uint64(size))
-	}
-	i--
-	dAtA[i] = 0x12
 	if len(m.Hash) > 0 {
 		i -= len(m.Hash)
 		copy(dAtA[i:], m.Hash)
@@ -6860,8 +6903,6 @@ func (m *RequestBeginBlock) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovTypes(uint64(l))
 	}
-	l = m.Header.Size()
-	n += 1 + l + sovTypes(uint64(l))
 	l = m.LastCommitInfo.Size()
 	n += 1 + l + sovTypes(uint64(l))
 	if len(m.ByzantineValidators) > 0 {
@@ -6870,6 +6911,19 @@ func (m *RequestBeginBlock) Size() (n int) {
 			n += 1 + l + sovTypes(uint64(l))
 		}
 	}
+	if m.Height != 0 {
+		n += 1 + sovTypes(uint64(m.Height))
+	}
+	l = github_com_gogo_protobuf_types.SizeOfStdTime(m.Time)
+	n += 1 + l + sovTypes(uint64(l))
+	l = len(m.NextValidatorsHash)
+	if l > 0 {
+		n += 1 + l + sovTypes(uint64(l))
+	}
+	l = len(m.ProposerAddress)
+	if l > 0 {
+		n += 1 + l + sovTypes(uint64(l))
+	}
 	return n
 }
 
@@ -9152,39 +9206,6 @@ func (m *RequestBeginBlock) Unmarshal(dAtA []byte) error {
 				m.Hash = []byte{}
 			}
 			iNdEx = postIndex
-		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Header", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			if err := m.Header.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
 		case 3:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field LastCommitInfo", wireType)
@@ -9252,6 +9273,126 @@ func (m *RequestBeginBlock) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 5:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Height", wireType)
+			}
+			m.Height = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Height |= int64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Time", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthTypes
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := github_com_gogo_protobuf_types.StdTimeUnmarshal(&m.Time, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NextValidatorsHash", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTypes
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.NextValidatorsHash = append(m.NextValidatorsHash[:0], dAtA[iNdEx:postIndex]...)
+			if m.NextValidatorsHash == nil {
+				m.NextValidatorsHash = []byte{}
+			}
+			iNdEx = postIndex
+		case 8:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ProposerAddress", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTypes
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ProposerAddress = append(m.ProposerAddress[:0], dAtA[iNdEx:postIndex]...)
+			if m.ProposerAddress == nil {
+				m.ProposerAddress = []byte{}
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTypes(dAtA[iNdEx:])

cmd/tendermint/commands/rollback.go

@@ -0,0 +1,69 @@
+package commands
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	dbm "github.com/tendermint/tm-db"
+
+	cfg "github.com/tendermint/tendermint/config"
+	"github.com/tendermint/tendermint/state"
+	"github.com/tendermint/tendermint/store"
+)
+
+var RollbackStateCmd = &cobra.Command{
+	Use:   "rollback",
+	Short: "rollback tendermint state by one height",
+	Long: `
+A state rollback is performed to recover from an incorrect application state transition,
+when Tendermint has persisted an incorrect app hash and is thus unable to make
+progress. Rollback overwrites a state at height n with the state at height n - 1.
+The application should also roll back to height n - 1. No blocks are removed, so upon
+restarting Tendermint the transactions in block n will be re-executed against the
+application.
+`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		height, hash, err := RollbackState(config)
+		if err != nil {
+			return fmt.Errorf("failed to rollback state: %w", err)
+		}
+
+		fmt.Printf("Rolled back state to height %d and hash %v", height, hash)
+		return nil
+	},
+}
+
+// RollbackState takes the state at the current height n and overwrites it with the state
+// at height n - 1. Note state here refers to tendermint state not application state.
+// Returns the latest state height and app hash alongside an error if there was one.
+func RollbackState(config *cfg.Config) (int64, []byte, error) {
+	// use the parsed config to load the block and state store
+	blockStore, stateStore, err := loadStateAndBlockStore(config)
+	if err != nil {
+		return -1, nil, err
+	}
+
+	// rollback the last state
+	return state.Rollback(blockStore, stateStore)
+}
+
+func loadStateAndBlockStore(config *cfg.Config) (*store.BlockStore, state.Store, error) {
+	dbType := dbm.BackendType(config.DBBackend)
+
+	// Get BlockStore
+	blockStoreDB, err := dbm.NewDB("blockstore", dbType, config.DBDir())
+	if err != nil {
+		return nil, nil, err
+	}
+	blockStore := store.NewBlockStore(blockStoreDB)
+
+	// Get StateStore
+	stateDB, err := dbm.NewDB("state", dbType, config.DBDir())
+	if err != nil {
+		return nil, nil, err
+	}
+	stateStore := state.NewStore(stateDB)
+
+	return blockStore, stateStore, nil
+}

cmd/tendermint/commands/run_node.go

@@ -46,9 +46,7 @@ func AddNodeFlags(cmd *cobra.Command) {
 		"proxy_app",
 		config.ProxyApp,
 		"proxy app address, or one of: 'kvstore',"+
-			" 'persistent_kvstore',"+
-			" 'counter',"+
-			" 'counter_serial' or 'noop' for local testing.")
+			" 'persistent_kvstore', 'counter', 'e2e' or 'noop' for local testing.")
 	cmd.Flags().String("abci", config.ABCI, "specify abci transport (socket | grpc)")
 
 	// rpc flags

cmd/tendermint/main.go

@@ -27,6 +27,7 @@ func main() {
 		cmd.ShowNodeIDCmd,
 		cmd.GenNodeKeyCmd,
 		cmd.VersionCmd,
+		cmd.RollbackStateCmd,
 		debug.DebugCmd,
 		cli.NewCompletionCmd(rootCmd, true),
 	)

config/config.go

@@ -1017,7 +1017,12 @@ type TxIndexConfig struct {
 	//   1) "null"
 	//   2) "kv" (default) - the simplest possible indexer,
 	//      backed by key-value storage (defaults to levelDB; see DBBackend).
+	//   3) "psql" - the indexer services backed by PostgreSQL.
 	Indexer string `mapstructure:"indexer"`
+
+	// The PostgreSQL connection configuration, the connection format:
+	// postgresql://<user>:<password>@<host>:<port>/<db>?<opts>
+	PsqlConn string `mapstructure:"psql-conn"`
 }
 
 // DefaultTxIndexConfig returns a default configuration for the transaction indexer.

consensus/state.go

@@ -866,8 +866,8 @@ func (cs *State) handleMsg(mi msgInfo) {
 			"height", cs.Height,
 			"round", cs.Round,
 			"peer", peerID,
+			"msg_type", fmt.Sprintf("%T", msg),
 			"err", err,
-			"msg", msg,
 		)
 	}
 }

docs/app-dev/indexing-transactions.md

@@ -31,24 +31,61 @@ For example:
 
 would be equal to the composite key of `jack.account.number`.
 
-Let's take a look at the `[tx_index]` config section:
+By default, Tendermint will index all transactions by their respective hashes
+and height and blocks by their height.
+
+## Configuration
+
+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.
 
 ```toml
-##### transactions indexer configuration options #####
-[tx_index]
+[tx-index]
 
-# What indexer to use for transactions
+# The backend database to back the indexer.
+# If indexer is "null", 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.
 #
 # Options:
 #   1) "null"
 #   2) "kv" (default) - the simplest possible indexer, backed by key-value storage (defaults to levelDB; see DBBackend).
-indexer = "kv"
+#     - When "kv" is chosen "tx.height" and "tx.hash" will always be indexed.
+#   3) "psql" - the indexer services backed by PostgreSQL.
+# indexer = "kv"
 ```
 
-By default, Tendermint will index all transactions by their respective hashes
-and height and blocks by their height.
+### Supported Indexers
 
-You can turn off indexing completely by setting `tx_index` to `null`.
+#### 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
+```
 
 ## Default Indexes
 

go.mod

@@ -3,23 +3,27 @@ module github.com/tendermint/tendermint
 go 1.15
 
 require (
+	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/BurntSushi/toml v0.3.1
 	github.com/ChainSafe/go-schnorrkel v0.0.0-20200405005733-88cbf1b4c40d
+	github.com/Microsoft/go-winio v0.5.0 // indirect
 	github.com/Workiva/go-datastructures v1.0.52
+	github.com/adlio/schema v1.1.13
 	github.com/btcsuite/btcd v0.21.0-beta
 	github.com/btcsuite/btcutil v1.0.2
-	github.com/confio/ics23/go v0.6.3
-	github.com/cosmos/iavl v0.15.3
 	github.com/fortytw2/leaktest v1.3.0
 	github.com/go-kit/kit v0.10.0
 	github.com/go-logfmt/logfmt v0.5.0
 	github.com/gogo/protobuf v1.3.2
-	github.com/golang/protobuf v1.4.3
+	github.com/golang/protobuf v1.5.0
 	github.com/google/orderedcode v0.0.1
 	github.com/gorilla/websocket v1.4.2
 	github.com/gtank/merlin v0.1.1
+	github.com/lib/pq v1.2.0
 	github.com/libp2p/go-buffer-pool v0.0.2
 	github.com/minio/highwayhash v1.0.1
+	github.com/opencontainers/runc v1.0.2 // indirect
+	github.com/ory/dockertest v3.3.5+incompatible
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.8.0
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0
@@ -31,6 +35,7 @@ require (
 	github.com/stretchr/testify v1.7.0
 	github.com/tendermint/tm-db v0.6.4
 	golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9
-	golang.org/x/net v0.0.0-20201021035429-f5854403a974
+	golang.org/x/net v0.0.0-20210903162142-ad29c8ab022f
+	golang.org/x/sys v0.0.0-20210903071746-97244b99971b // indirect
 	google.golang.org/grpc v1.37.0
 )

go.sum

@@ -11,6 +11,9 @@ cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqCl
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
+github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
+github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
@@ -19,6 +22,11 @@ github.com/ChainSafe/go-schnorrkel v0.0.0-20200405005733-88cbf1b4c40d/go.mod h1:
 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/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
+github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
+github.com/Microsoft/go-winio v0.5.0 h1:Elr9Wn+sGKPlkaBvwu4mTrxtmOp3F3yV9qhaHbXGjwU=
+github.com/Microsoft/go-winio v0.5.0/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
+github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 h1:TngWCqHvy9oXAN6lEVMRuU21PR1EtLVZJmdB18Gu3Rw=
+github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5/go.mod h1:lmUJ/7eu/Q8D7ML55dXQrVaamCz2vxCfdQBasLZfHKk=
 github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
@@ -27,6 +35,8 @@ github.com/VividCortex/gohistogram v1.0.0 h1:6+hBz+qvs0JOrrNhhmR7lFxo5sINxBCGXrd
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
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@@ -34,7 +44,6 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
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@@ -50,6 +59,7 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
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@@ -66,21 +76,23 @@ github.com/btcsuite/snappy-go v1.0.0/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg
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@@ -89,24 +101,21 @@ github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee
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@@ -115,6 +124,10 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm
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@@ -125,7 +138,6 @@ github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaB
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@@ -140,12 +152,12 @@ github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8
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@@ -157,12 +169,11 @@ github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG
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@@ -175,7 +186,6 @@ github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFU
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
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-github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
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 github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
@@ -183,8 +193,9 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
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 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
-github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
 github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.0 h1:LUVKkCeviFUMKqHa4tXIIij/lbhnMbP7Fn5wKdKkRh4=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
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@@ -195,8 +206,10 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
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 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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@@ -214,20 +227,15 @@ github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51
 github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
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-github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
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@@ -280,7 +288,6 @@ github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfV
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@@ -288,9 +295,13 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxv
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
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@@ -319,10 +330,12 @@ github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0Qu
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
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@@ -332,8 +345,6 @@ github.com/nats-io/nats.go v1.9.1/go.mod h1:ZjDU1L/7fJ09jvUSRVBR2e7+RnLiiIQyqyzE
 github.com/nats-io/nkeys v0.1.0/go.mod h1:xpnFELMwJABBLVhffcfd1MZx6VsNRFpEugbxziKVo7w=
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@@ -351,6 +362,15 @@ github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7J
 github.com/onsi/gomega v1.10.1 h1:o0+MgICZLuZ7xjH7Vx6zS/zcu93/BEp1VwkIW1mEXCE=
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@@ -359,6 +379,8 @@ github.com/openzipkin-contrib/zipkin-go-opentracing v0.4.5/go.mod h1:/wsWhb9smxS
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@@ -413,7 +435,6 @@ github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqn
 github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 h1:MkV+77GLUNo5oJ0jf870itWm3D0Sjh7+Za9gazKc5LQ=
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@@ -421,14 +442,18 @@ github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR
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@@ -456,7 +480,6 @@ github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnIn
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@@ -470,28 +493,24 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
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@@ -527,8 +546,6 @@ golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPh
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@@ -551,7 +567,6 @@ golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCc
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@@ -569,24 +584,22 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -611,33 +624,43 @@ golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7w
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-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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@@ -645,7 +668,6 @@ golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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@@ -666,7 +688,6 @@ golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -695,16 +716,10 @@ google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
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 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
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@@ -715,13 +730,6 @@ google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
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@@ -733,16 +741,15 @@ google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzi
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
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@@ -756,7 +763,6 @@ gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRN
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
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-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -764,6 +770,8 @@ gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
+gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

light/client.go

@@ -239,7 +239,7 @@ func NewClientFromTrustedStore(
 	}
 
 	// Validate the number of witnesses.
-	if len(c.witnesses) < 1 {
+	if len(c.witnesses) == 0 {
 		return nil, ErrNoWitnesses
 	}
 
@@ -1001,14 +1001,14 @@ func (c *Client) lightBlockFromPrimary(ctx context.Context, height int64) (*type
 
 	case provider.ErrNoResponse, provider.ErrLightBlockNotFound, provider.ErrHeightTooHigh:
 		// we find a new witness to replace the primary
-		c.logger.Debug("error from light block request from primary, replacing...",
+		c.logger.Info("error from light block request from primary, replacing...",
 			"error", err, "height", height, "primary", c.primary)
 		return c.findNewPrimary(ctx, height, false)
 
 	default:
 		// The light client has most likely received either provider.ErrUnreliableProvider or provider.ErrBadLightBlock
 		// These errors mean that the light client should drop the primary and try with another provider instead
-		c.logger.Error("error from light block request from primary, removing...",
+		c.logger.Info("error from light block request from primary, removing...",
 			"error", err, "height", height, "primary", c.primary)
 		return c.findNewPrimary(ctx, height, true)
 	}
@@ -1046,7 +1046,7 @@ func (c *Client) findNewPrimary(ctx context.Context, height int64, remove bool)
 	c.providerMutex.Lock()
 	defer c.providerMutex.Unlock()
 
-	if len(c.witnesses) <= 1 {
+	if len(c.witnesses) == 0 {
 		return nil, ErrNoWitnesses
 	}
 
@@ -1117,6 +1117,11 @@ func (c *Client) findNewPrimary(ctx context.Context, height int64, remove bool)
 		}
 	}
 
+	// remove witnesses marked as bad. Removal is done in descending order
+	if err := c.removeWitnesses(witnessesToRemove); err != nil {
+		c.logger.Error("failed to remove witnesses", "err", err, "witnessesToRemove", witnessesToRemove)
+	}
+
 	return nil, lastError
 }
 
@@ -1129,7 +1134,7 @@ func (c *Client) compareFirstHeaderWithWitnesses(ctx context.Context, h *types.S
 	c.providerMutex.Lock()
 	defer c.providerMutex.Unlock()
 
-	if len(c.witnesses) < 1 {
+	if len(c.witnesses) == 0 {
 		return ErrNoWitnesses
 	}
 
@@ -1171,7 +1176,7 @@ and remove witness. Otherwise, use the different primary`, e.WitnessIndex), "wit
 
 	// remove witnesses that have misbehaved
 	if err := c.removeWitnesses(witnessesToRemove); err != nil {
-		return err
+		c.logger.Error("failed to remove witnesses", "err", err, "witnessesToRemove", witnessesToRemove)
 	}
 
 	return nil

light/rpc/client_test.go

@@ -1,152 +0,0 @@
-package rpc
-
-import (
-	"context"
-	"encoding/hex"
-	"fmt"
-	"testing"
-
-	ics23 "github.com/confio/ics23/go"
-	"github.com/cosmos/iavl"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/mock"
-	"github.com/stretchr/testify/require"
-	dbm "github.com/tendermint/tm-db"
-
-	abci "github.com/tendermint/tendermint/abci/types"
-	"github.com/tendermint/tendermint/crypto/merkle"
-	"github.com/tendermint/tendermint/libs/bytes"
-	lcmock "github.com/tendermint/tendermint/light/rpc/mocks"
-	tmcrypto "github.com/tendermint/tendermint/proto/tendermint/crypto"
-	rpcmock "github.com/tendermint/tendermint/rpc/client/mocks"
-	ctypes "github.com/tendermint/tendermint/rpc/core/types"
-	"github.com/tendermint/tendermint/types"
-)
-
-// TestABCIQuery tests ABCIQuery requests and verifies proofs. HAPPY PATH 😀
-func TestABCIQuery(t *testing.T) {
-	tree, err := iavl.NewMutableTree(dbm.NewMemDB(), 100)
-	require.NoError(t, err)
-
-	var (
-		key   = []byte("foo")
-		value = []byte("bar")
-	)
-	tree.Set(key, value)
-
-	commitmentProof, err := tree.GetMembershipProof(key)
-	require.NoError(t, err)
-
-	op := &testOp{
-		Spec:  ics23.IavlSpec,
-		Key:   key,
-		Proof: commitmentProof,
-	}
-
-	next := &rpcmock.Client{}
-	next.On(
-		"ABCIQueryWithOptions",
-		context.Background(),
-		mock.AnythingOfType("string"),
-		bytes.HexBytes(key),
-		mock.AnythingOfType("client.ABCIQueryOptions"),
-	).Return(&ctypes.ResultABCIQuery{
-		Response: abci.ResponseQuery{
-			Code:   0,
-			Key:    key,
-			Value:  value,
-			Height: 1,
-			ProofOps: &tmcrypto.ProofOps{
-				Ops: []tmcrypto.ProofOp{op.ProofOp()},
-			},
-		},
-	}, nil)
-
-	lc := &lcmock.LightClient{}
-	appHash, _ := hex.DecodeString("5EFD44055350B5CC34DBD26085347A9DBBE44EA192B9286A9FC107F40EA1FAC5")
-	lc.On("VerifyLightBlockAtHeight", context.Background(), int64(2), mock.AnythingOfType("time.Time")).Return(
-		&types.LightBlock{
-			SignedHeader: &types.SignedHeader{
-				Header: &types.Header{AppHash: appHash},
-			},
-		},
-		nil,
-	)
-
-	c := NewClient(next, lc,
-		KeyPathFn(func(_ string, key []byte) (merkle.KeyPath, error) {
-			kp := merkle.KeyPath{}
-			kp = kp.AppendKey(key, merkle.KeyEncodingURL)
-			return kp, nil
-		}))
-	c.RegisterOpDecoder("ics23:iavl", testOpDecoder)
-	res, err := c.ABCIQuery(context.Background(), "/store/accounts/key", key)
-	require.NoError(t, err)
-
-	assert.NotNil(t, res)
-}
-
-type testOp struct {
-	Spec  *ics23.ProofSpec
-	Key   []byte
-	Proof *ics23.CommitmentProof
-}
-
-var _ merkle.ProofOperator = testOp{}
-
-func (op testOp) GetKey() []byte {
-	return op.Key
-}
-
-func (op testOp) ProofOp() tmcrypto.ProofOp {
-	bz, err := op.Proof.Marshal()
-	if err != nil {
-		panic(err.Error())
-	}
-	return tmcrypto.ProofOp{
-		Type: "ics23:iavl",
-		Key:  op.Key,
-		Data: bz,
-	}
-}
-
-func (op testOp) Run(args [][]byte) ([][]byte, error) {
-	// calculate root from proof
-	root, err := op.Proof.Calculate()
-	if err != nil {
-		return nil, fmt.Errorf("could not calculate root for proof: %v", err)
-	}
-	// Only support an existence proof or nonexistence proof (batch proofs currently unsupported)
-	switch len(args) {
-	case 0:
-		// Args are nil, so we verify the absence of the key.
-		absent := ics23.VerifyNonMembership(op.Spec, root, op.Proof, op.Key)
-		if !absent {
-			return nil, fmt.Errorf("proof did not verify absence of key: %s", string(op.Key))
-		}
-	case 1:
-		// Args is length 1, verify existence of key with value args[0]
-		if !ics23.VerifyMembership(op.Spec, root, op.Proof, op.Key, args[0]) {
-			return nil, fmt.Errorf("proof did not verify existence of key %s with given value %x", op.Key, args[0])
-		}
-	default:
-		return nil, fmt.Errorf("args must be length 0 or 1, got: %d", len(args))
-	}
-
-	return [][]byte{root}, nil
-}
-
-func testOpDecoder(pop tmcrypto.ProofOp) (merkle.ProofOperator, error) {
-	proof := &ics23.CommitmentProof{}
-	err := proof.Unmarshal(pop.Data)
-	if err != nil {
-		return nil, err
-	}
-
-	op := testOp{
-		Key:   pop.Key,
-		Spec:  ics23.IavlSpec,
-		Proof: proof,
-	}
-	return op, nil
-}

node/node.go

@@ -7,7 +7,6 @@ import (
 	"fmt"
 	"net"
 	"net/http"
-	_ "net/http/pprof" // nolint: gosec // securely exposed on separate, optional port
 	"strings"
 	"time"
 
@@ -41,6 +40,7 @@ import (
 	"github.com/tendermint/tendermint/state/indexer"
 	blockidxkv "github.com/tendermint/tendermint/state/indexer/block/kv"
 	blockidxnull "github.com/tendermint/tendermint/state/indexer/block/null"
+	"github.com/tendermint/tendermint/state/indexer/sink/psql"
 	"github.com/tendermint/tendermint/state/txindex"
 	"github.com/tendermint/tendermint/state/txindex/kv"
 	"github.com/tendermint/tendermint/state/txindex/null"
@@ -49,6 +49,10 @@ import (
 	"github.com/tendermint/tendermint/types"
 	tmtime "github.com/tendermint/tendermint/types/time"
 	"github.com/tendermint/tendermint/version"
+
+	_ "net/http/pprof" // nolint: gosec // securely exposed on separate, optional port
+
+	_ "github.com/lib/pq" // provide the psql db driver
 )
 
 //------------------------------------------------------------------------------
@@ -259,6 +263,7 @@ func createAndStartEventBus(logger log.Logger) (*types.EventBus, error) {
 
 func createAndStartIndexerService(
 	config *cfg.Config,
+	chainID string,
 	dbProvider DBProvider,
 	eventBus *types.EventBus,
 	logger log.Logger,
@@ -278,6 +283,18 @@ func createAndStartIndexerService(
 
 		txIndexer = kv.NewTxIndex(store)
 		blockIndexer = blockidxkv.New(dbm.NewPrefixDB(store, []byte("block_events")))
+
+	case "psql":
+		if config.TxIndex.PsqlConn == "" {
+			return nil, nil, nil, errors.New(`no psql-conn is set for the "psql" indexer`)
+		}
+		es, err := psql.NewEventSink(config.TxIndex.PsqlConn, chainID)
+		if err != nil {
+			return nil, nil, nil, fmt.Errorf("creating psql indexer: %w", err)
+		}
+		txIndexer = es.TxIndexer()
+		blockIndexer = es.BlockIndexer()
+
 	default:
 		txIndexer = &null.TxIndex{}
 		blockIndexer = &blockidxnull.BlockerIndexer{}
@@ -681,7 +698,8 @@ func NewNode(config *cfg.Config,
 		return nil, err
 	}
 
-	indexerService, txIndexer, blockIndexer, err := createAndStartIndexerService(config, dbProvider, eventBus, logger)
+	indexerService, txIndexer, blockIndexer, err := createAndStartIndexerService(config,
+		genDoc.ChainID, dbProvider, eventBus, logger)
 	if err != nil {
 		return nil, err
 	}

proto/tendermint/abci/types.proto

@@ -6,7 +6,6 @@ option go_package = "github.com/tendermint/tendermint/abci/types";
 // For more information on gogo.proto, see:
 // https://github.com/gogo/protobuf/blob/master/extensions.md
 import "tendermint/crypto/proof.proto";
-import "tendermint/types/types.proto";
 import "tendermint/crypto/keys.proto";
 import "tendermint/types/params.proto";
 import "google/protobuf/timestamp.proto";
@@ -75,10 +74,13 @@ message RequestQuery {
 }
 
 message RequestBeginBlock {
-  bytes                   hash                 = 1;
-  tendermint.types.Header header               = 2 [(gogoproto.nullable) = false];
-  LastCommitInfo          last_commit_info     = 3 [(gogoproto.nullable) = false];
-  repeated Evidence       byzantine_validators = 4 [(gogoproto.nullable) = false];
+  bytes                     hash                 = 1;
+  LastCommitInfo            last_commit_info     = 3 [(gogoproto.nullable) = false];
+  repeated Evidence         byzantine_validators = 4 [(gogoproto.nullable) = false];
+  int64                     height               = 5;
+  google.protobuf.Timestamp time                 = 6 [(gogoproto.nullable) = false, (gogoproto.stdtime) = true];
+  bytes                     next_validators_hash = 7;   // validators for the next block
+  bytes                     proposer_address     = 8;
 }
 
 enum CheckTxType {

proxy/client.go

@@ -8,6 +8,7 @@ import (
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	"github.com/tendermint/tendermint/abci/types"
 	tmsync "github.com/tendermint/tendermint/libs/sync"
+	e2e "github.com/tendermint/tendermint/test/e2e/app"
 )
 
 // ClientCreator creates new ABCI clients.
@@ -79,6 +80,12 @@ func DefaultClientCreator(addr, transport, dbDir string) ClientCreator {
 		return NewLocalClientCreator(kvstore.NewApplication())
 	case "persistent_kvstore":
 		return NewLocalClientCreator(kvstore.NewPersistentKVStoreApplication(dbDir))
+	case "e2e":
+		app, err := e2e.NewApplication(e2e.DefaultConfig(dbDir))
+		if err != nil {
+			panic(err)
+		}
+		return NewLocalClientCreator(app)
 	case "noop":
 		return NewLocalClientCreator(types.NewBaseApplication())
 	default:

state/execution.go

@@ -306,9 +306,12 @@ func execBlockOnProxyApp(
 
 	abciResponses.BeginBlock, err = proxyAppConn.BeginBlockSync(abci.RequestBeginBlock{
 		Hash:                block.Hash(),
-		Header:              *pbh,
 		LastCommitInfo:      commitInfo,
 		ByzantineValidators: byzVals,
+		Height:              pbh.Height,
+		Time:                pbh.Time,
+		NextValidatorsHash:  pbh.NextValidatorsHash,
+		ProposerAddress:     pbh.ProposerAddress,
 	})
 	if err != nil {
 		logger.Error("error in proxyAppConn.BeginBlock", "err", err)

state/indexer/sink/psql/backport.go

@@ -0,0 +1,88 @@
+package psql
+
+// This file adds code to the psql package that is needed for integration with
+// v0.34, but which is not part of the original implementation.
+//
+// In v0.35, ADR 65 was implemented in which the TxIndexer and BlockIndexer
+// interfaces were merged into a hybrid EventSink interface. The Backport*
+// types defined here bridge the psql EventSink (which was built in terms of
+// the v0.35 interface) to the old interfaces.
+//
+// We took this narrower approach to backporting to avoid pulling in a much
+// wider-reaching set of changes in v0.35 that would have broken several of the
+// v0.34.x APIs. The result is sufficient to work with the node plumbing as it
+// exists in the v0.34 branch.
+
+import (
+	"context"
+	"errors"
+
+	abci "github.com/tendermint/tendermint/abci/types"
+	"github.com/tendermint/tendermint/libs/pubsub/query"
+	"github.com/tendermint/tendermint/state/txindex"
+	"github.com/tendermint/tendermint/types"
+)
+
+const (
+	eventTypeBeginBlock = "begin_block"
+	eventTypeEndBlock   = "end_block"
+)
+
+// TxIndexer returns a bridge from es to the Tendermint v0.34 transaction indexer.
+func (es *EventSink) TxIndexer() BackportTxIndexer {
+	return BackportTxIndexer{psql: es}
+}
+
+// BackportTxIndexer implements the txindex.TxIndexer interface by delegating
+// indexing operations to an underlying PostgreSQL event sink.
+type BackportTxIndexer struct{ psql *EventSink }
+
+// AddBatch indexes a batch of transactions in Postgres, as part of TxIndexer.
+func (b BackportTxIndexer) AddBatch(batch *txindex.Batch) error {
+	return b.psql.IndexTxEvents(batch.Ops)
+}
+
+// Index indexes a single transaction result in Postgres, as part of TxIndexer.
+func (b BackportTxIndexer) Index(txr *abci.TxResult) error {
+	return b.psql.IndexTxEvents([]*abci.TxResult{txr})
+}
+
+// Get is implemented to satisfy the TxIndexer interface, but is not supported
+// by the psql event sink and reports an error for all inputs.
+func (BackportTxIndexer) Get([]byte) (*abci.TxResult, error) {
+	return nil, errors.New("the TxIndexer.Get method is not supported")
+}
+
+// Search is implemented to satisfy the TxIndexer interface, but it is not
+// supported by the psql event sink and reports an error for all inputs.
+func (BackportTxIndexer) Search(context.Context, *query.Query) ([]*abci.TxResult, error) {
+	return nil, errors.New("the TxIndexer.Search method is not supported")
+}
+
+// BlockIndexer returns a bridge that implements the Tendermint v0.34 block
+// indexer interface, using the Postgres event sink as a backing store.
+func (es *EventSink) BlockIndexer() BackportBlockIndexer {
+	return BackportBlockIndexer{psql: es}
+}
+
+// BackportBlockIndexer implements the indexer.BlockIndexer interface by
+// delegating indexing operations to an underlying PostgreSQL event sink.
+type BackportBlockIndexer struct{ psql *EventSink }
+
+// Has is implemented to satisfy the BlockIndexer interface, but it is not
+// supported by the psql event sink and reports an error for all inputs.
+func (BackportBlockIndexer) Has(height int64) (bool, error) {
+	return false, errors.New("the BlockIndexer.Has method is not supported")
+}
+
+// Index indexes block begin and end events for the specified block.  It is
+// part of the BlockIndexer interface.
+func (b BackportBlockIndexer) Index(block types.EventDataNewBlockHeader) error {
+	return b.psql.IndexBlockEvents(block)
+}
+
+// Search is implemented to satisfy the BlockIndexer interface, but it is not
+// supported by the psql event sink and reports an error for all inputs.
+func (BackportBlockIndexer) Search(context.Context, *query.Query) ([]int64, error) {
+	return nil, errors.New("the BlockIndexer.Search method is not supported")
+}

state/indexer/sink/psql/backport_test.go

@@ -0,0 +1,11 @@
+package psql
+
+import (
+	"github.com/tendermint/tendermint/state/indexer"
+	"github.com/tendermint/tendermint/state/txindex"
+)
+
+var (
+	_ indexer.BlockIndexer = BackportBlockIndexer{}
+	_ txindex.TxIndexer    = BackportTxIndexer{}
+)

state/indexer/sink/psql/psql.go

@@ -0,0 +1,253 @@
+// Package psql implements an event sink backed by a PostgreSQL database.
+package psql
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/gogo/protobuf/proto"
+	abci "github.com/tendermint/tendermint/abci/types"
+	"github.com/tendermint/tendermint/libs/pubsub/query"
+	"github.com/tendermint/tendermint/types"
+)
+
+const (
+	tableBlocks     = "blocks"
+	tableTxResults  = "tx_results"
+	tableEvents     = "events"
+	tableAttributes = "attributes"
+	driverName      = "postgres"
+)
+
+// EventSink is an indexer backend providing the tx/block index services.  This
+// implementation stores records in a PostgreSQL database using the schema
+// defined in state/indexer/sink/psql/schema.sql.
+type EventSink struct {
+	store   *sql.DB
+	chainID string
+}
+
+// NewEventSink constructs an event sink associated with the PostgreSQL
+// database specified by connStr. Events written to the sink are attributed to
+// the specified chainID.
+func NewEventSink(connStr, chainID string) (*EventSink, error) {
+	db, err := sql.Open(driverName, connStr)
+	if err != nil {
+		return nil, err
+	}
+
+	return &EventSink{
+		store:   db,
+		chainID: chainID,
+	}, nil
+}
+
+// DB returns the underlying Postgres connection used by the sink.
+// This is exported to support testing.
+func (es *EventSink) DB() *sql.DB { return es.store }
+
+// runInTransaction executes query in a fresh database transaction.
+// If query reports an error, the transaction is rolled back and the
+// error from query is reported to the caller.
+// Otherwise, the result of committing the transaction is returned.
+func runInTransaction(db *sql.DB, query func(*sql.Tx) error) error {
+	dbtx, err := db.Begin()
+	if err != nil {
+		return err
+	}
+	if err := query(dbtx); err != nil {
+		_ = dbtx.Rollback() // report the initial error, not the rollback
+		return err
+	}
+	return dbtx.Commit()
+}
+
+// queryWithID executes the specified SQL query with the given arguments,
+// expecting a single-row, single-column result containing an ID. If the query
+// succeeds, the ID from the result is returned.
+func queryWithID(tx *sql.Tx, query string, args ...interface{}) (uint32, error) {
+	var id uint32
+	if err := tx.QueryRow(query, args...).Scan(&id); err != nil {
+		return 0, err
+	}
+	return id, nil
+}
+
+// insertEvents inserts a slice of events and any indexed attributes of those
+// events into the database associated with dbtx.
+//
+// If txID > 0, the event is attributed to the Tendermint transaction with that
+// ID; otherwise it is recorded as a block event.
+func insertEvents(dbtx *sql.Tx, blockID, txID uint32, evts []abci.Event) error {
+	// Populate the transaction ID field iff one is defined (> 0).
+	var txIDArg interface{}
+	if txID > 0 {
+		txIDArg = txID
+	}
+
+	// Add each event to the events table, and retrieve its row ID to use when
+	// adding any attributes the event provides.
+	for _, evt := range evts {
+		// Skip events with an empty type.
+		if evt.Type == "" {
+			continue
+		}
+
+		eid, err := queryWithID(dbtx, `
+INSERT INTO `+tableEvents+` (block_id, tx_id, type) VALUES ($1, $2, $3)
+  RETURNING rowid;
+`, blockID, txIDArg, evt.Type)
+		if err != nil {
+			return err
+		}
+
+		// Add any attributes flagged for indexing.
+		for _, attr := range evt.Attributes {
+			if !attr.Index {
+				continue
+			}
+			compositeKey := evt.Type + "." + string(attr.Key)
+			if _, err := dbtx.Exec(`
+INSERT INTO `+tableAttributes+` (event_id, key, composite_key, value)
+  VALUES ($1, $2, $3, $4);
+`, eid, attr.Key, compositeKey, attr.Value); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+// makeIndexedEvent constructs an event from the specified composite key and
+// value. If the key has the form "type.name", the event will have a single
+// attribute with that name and the value; otherwise the event will have only
+// a type and no attributes.
+func makeIndexedEvent(compositeKey, value string) abci.Event {
+	i := strings.Index(compositeKey, ".")
+	if i < 0 {
+		return abci.Event{Type: compositeKey}
+	}
+	return abci.Event{Type: compositeKey[:i], Attributes: []abci.EventAttribute{
+		{Key: []byte(compositeKey[i+1:]), Value: []byte(value), Index: true},
+	}}
+}
+
+// IndexBlockEvents indexes the specified block header, part of the
+// indexer.EventSink interface.
+func (es *EventSink) IndexBlockEvents(h types.EventDataNewBlockHeader) error {
+	ts := time.Now().UTC()
+
+	return runInTransaction(es.store, func(dbtx *sql.Tx) error {
+		// Add the block to the blocks table and report back its row ID for use
+		// in indexing the events for the block.
+		blockID, err := queryWithID(dbtx, `
+INSERT INTO `+tableBlocks+` (height, chain_id, created_at)
+  VALUES ($1, $2, $3)
+  ON CONFLICT DO NOTHING
+  RETURNING rowid;
+`, h.Header.Height, es.chainID, ts)
+		if err == sql.ErrNoRows {
+			return nil // we already saw this block; quietly succeed
+		} else if err != nil {
+			return fmt.Errorf("indexing block header: %w", err)
+		}
+
+		// Insert the special block meta-event for height.
+		if err := insertEvents(dbtx, blockID, 0, []abci.Event{
+			makeIndexedEvent(types.BlockHeightKey, fmt.Sprint(h.Header.Height)),
+		}); err != nil {
+			return fmt.Errorf("block meta-events: %w", err)
+		}
+		// Insert all the block events. Order is important here,
+		if err := insertEvents(dbtx, blockID, 0, h.ResultBeginBlock.Events); err != nil {
+			return fmt.Errorf("begin-block events: %w", err)
+		}
+		if err := insertEvents(dbtx, blockID, 0, h.ResultEndBlock.Events); err != nil {
+			return fmt.Errorf("end-block events: %w", err)
+		}
+		return nil
+	})
+}
+
+func (es *EventSink) IndexTxEvents(txrs []*abci.TxResult) error {
+	ts := time.Now().UTC()
+
+	for _, txr := range txrs {
+		// Encode the result message in protobuf wire format for indexing.
+		resultData, err := proto.Marshal(txr)
+		if err != nil {
+			return fmt.Errorf("marshaling tx_result: %w", err)
+		}
+
+		// Index the hash of the underlying transaction as a hex string.
+		txHash := fmt.Sprintf("%X", types.Tx(txr.Tx).Hash())
+
+		if err := runInTransaction(es.store, func(dbtx *sql.Tx) error {
+			// Find the block associated with this transaction. The block header
+			// must have been indexed prior to the transactions belonging to it.
+			blockID, err := queryWithID(dbtx, `
+SELECT rowid FROM `+tableBlocks+` WHERE height = $1 AND chain_id = $2;
+`, txr.Height, es.chainID)
+			if err != nil {
+				return fmt.Errorf("finding block ID: %w", err)
+			}
+
+			// Insert a record for this tx_result and capture its ID for indexing events.
+			txID, err := queryWithID(dbtx, `
+INSERT INTO `+tableTxResults+` (block_id, index, created_at, tx_hash, tx_result)
+  VALUES ($1, $2, $3, $4, $5)
+  ON CONFLICT DO NOTHING
+  RETURNING rowid;
+`, blockID, txr.Index, ts, txHash, resultData)
+			if err == sql.ErrNoRows {
+				return nil // we already saw this transaction; quietly succeed
+			} else if err != nil {
+				return fmt.Errorf("indexing tx_result: %w", err)
+			}
+
+			// Insert the special transaction meta-events for hash and height.
+			if err := insertEvents(dbtx, blockID, txID, []abci.Event{
+				makeIndexedEvent(types.TxHashKey, txHash),
+				makeIndexedEvent(types.TxHeightKey, fmt.Sprint(txr.Height)),
+			}); err != nil {
+				return fmt.Errorf("indexing transaction meta-events: %w", err)
+			}
+			// Index any events packaged with the transaction.
+			if err := insertEvents(dbtx, blockID, txID, txr.Result.Events); err != nil {
+				return fmt.Errorf("indexing transaction events: %w", err)
+			}
+			return nil
+
+		}); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// SearchBlockEvents is not implemented by this sink, and reports an error for all queries.
+func (es *EventSink) SearchBlockEvents(ctx context.Context, q *query.Query) ([]int64, error) {
+	return nil, errors.New("block search is not supported via the postgres event sink")
+}
+
+// SearchTxEvents is not implemented by this sink, and reports an error for all queries.
+func (es *EventSink) SearchTxEvents(ctx context.Context, q *query.Query) ([]*abci.TxResult, error) {
+	return nil, errors.New("tx search is not supported via the postgres event sink")
+}
+
+// GetTxByHash is not implemented by this sink, and reports an error for all queries.
+func (es *EventSink) GetTxByHash(hash []byte) (*abci.TxResult, error) {
+	return nil, errors.New("getTxByHash is not supported via the postgres event sink")
+}
+
+// HasBlock is not implemented by this sink, and reports an error for all queries.
+func (es *EventSink) HasBlock(h int64) (bool, error) {
+	return false, errors.New("hasBlock is not supported via the postgres event sink")
+}
+
+// Stop closes the underlying PostgreSQL database.
+func (es *EventSink) Stop() error { return es.store.Close() }

state/indexer/sink/psql/psql_test.go

@@ -0,0 +1,341 @@
+package psql
+
+import (
+	"context"
+	"database/sql"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"os/signal"
+	"testing"
+	"time"
+
+	"github.com/adlio/schema"
+	"github.com/gogo/protobuf/proto"
+	"github.com/ory/dockertest"
+	"github.com/ory/dockertest/docker"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	abci "github.com/tendermint/tendermint/abci/types"
+	"github.com/tendermint/tendermint/types"
+
+	// Register the Postgres database driver.
+	_ "github.com/lib/pq"
+)
+
+var (
+	doPauseAtExit = flag.Bool("pause-at-exit", false,
+		"If true, pause the test until interrupted at shutdown, to allow debugging")
+
+	// A hook that test cases can call to obtain the shared database instance
+	// used for testing the sink. This is initialized in TestMain (see below).
+	testDB func() *sql.DB
+)
+
+const (
+	user     = "postgres"
+	password = "secret"
+	port     = "5432"
+	dsn      = "postgres://%s:%s@localhost:%s/%s?sslmode=disable"
+	dbName   = "postgres"
+	chainID  = "test-chainID"
+
+	viewBlockEvents = "block_events"
+	viewTxEvents    = "tx_events"
+)
+
+func TestMain(m *testing.M) {
+	flag.Parse()
+
+	// Set up docker and start a container running PostgreSQL.
+	pool, err := dockertest.NewPool(os.Getenv("DOCKER_URL"))
+	if err != nil {
+		log.Fatalf("Creating docker pool: %v", err)
+	}
+
+	resource, err := pool.RunWithOptions(&dockertest.RunOptions{
+		Repository: "postgres",
+		Tag:        "13",
+		Env: []string{
+			"POSTGRES_USER=" + user,
+			"POSTGRES_PASSWORD=" + password,
+			"POSTGRES_DB=" + dbName,
+			"listen_addresses = '*'",
+		},
+		ExposedPorts: []string{port},
+	}, func(config *docker.HostConfig) {
+		// set AutoRemove to true so that stopped container goes away by itself
+		config.AutoRemove = true
+		config.RestartPolicy = docker.RestartPolicy{
+			Name: "no",
+		}
+	})
+	if err != nil {
+		log.Fatalf("Starting docker pool: %v", err)
+	}
+
+	if *doPauseAtExit {
+		log.Print("Pause at exit is enabled, containers will not expire")
+	} else {
+		const expireSeconds = 60
+		_ = resource.Expire(expireSeconds)
+		log.Printf("Container expiration set to %d seconds", expireSeconds)
+	}
+
+	// Connect to the database, clear any leftover data, and install the
+	// indexing schema.
+	conn := fmt.Sprintf(dsn, user, password, resource.GetPort(port+"/tcp"), dbName)
+	var db *sql.DB
+
+	if err := pool.Retry(func() error {
+		sink, err := NewEventSink(conn, chainID)
+		if err != nil {
+			return err
+		}
+		db = sink.DB() // set global for test use
+		return db.Ping()
+	}); err != nil {
+		log.Fatalf("Connecting to database: %v", err)
+	}
+
+	if err := resetDatabase(db); err != nil {
+		log.Fatalf("Flushing database: %v", err)
+	}
+
+	sm, err := readSchema()
+	if err != nil {
+		log.Fatalf("Reading schema: %v", err)
+	} else if err := schema.NewMigrator().Apply(db, sm); err != nil {
+		log.Fatalf("Applying schema: %v", err)
+	}
+
+	// Set up the hook for tests to get the shared database handle.
+	testDB = func() *sql.DB { return db }
+
+	// Run the selected test cases.
+	code := m.Run()
+
+	// Clean up and shut down the database container.
+	if *doPauseAtExit {
+		log.Print("Testing complete, pausing for inspection. Send SIGINT to resume teardown")
+		waitForInterrupt()
+		log.Print("(resuming)")
+	}
+	log.Print("Shutting down database")
+	if err := pool.Purge(resource); err != nil {
+		log.Printf("WARNING: Purging pool failed: %v", err)
+	}
+	if err := db.Close(); err != nil {
+		log.Printf("WARNING: Closing database failed: %v", err)
+	}
+
+	os.Exit(code)
+}
+
+func TestIndexing(t *testing.T) {
+	t.Run("IndexBlockEvents", func(t *testing.T) {
+		indexer := &EventSink{store: testDB(), chainID: chainID}
+		require.NoError(t, indexer.IndexBlockEvents(newTestBlockHeader()))
+
+		verifyBlock(t, 1)
+		verifyBlock(t, 2)
+
+		verifyNotImplemented(t, "hasBlock", func() (bool, error) { return indexer.HasBlock(1) })
+		verifyNotImplemented(t, "hasBlock", func() (bool, error) { return indexer.HasBlock(2) })
+
+		verifyNotImplemented(t, "block search", func() (bool, error) {
+			v, err := indexer.SearchBlockEvents(context.Background(), nil)
+			return v != nil, err
+		})
+
+		require.NoError(t, verifyTimeStamp(tableBlocks))
+
+		// Attempting to reindex the same events should gracefully succeed.
+		require.NoError(t, indexer.IndexBlockEvents(newTestBlockHeader()))
+	})
+
+	t.Run("IndexTxEvents", func(t *testing.T) {
+		indexer := &EventSink{store: testDB(), chainID: chainID}
+
+		txResult := txResultWithEvents([]abci.Event{
+			makeIndexedEvent("account.number", "1"),
+			makeIndexedEvent("account.owner", "Ivan"),
+			makeIndexedEvent("account.owner", "Yulieta"),
+
+			{Type: "", Attributes: []abci.EventAttribute{
+				{
+					Key:   []byte("not_allowed"),
+					Value: []byte("Vlad"),
+					Index: true,
+				},
+			}},
+		})
+		require.NoError(t, indexer.IndexTxEvents([]*abci.TxResult{txResult}))
+
+		txr, err := loadTxResult(types.Tx(txResult.Tx).Hash())
+		require.NoError(t, err)
+		assert.Equal(t, txResult, txr)
+
+		require.NoError(t, verifyTimeStamp(tableTxResults))
+		require.NoError(t, verifyTimeStamp(viewTxEvents))
+
+		verifyNotImplemented(t, "getTxByHash", func() (bool, error) {
+			txr, err := indexer.GetTxByHash(types.Tx(txResult.Tx).Hash())
+			return txr != nil, err
+		})
+		verifyNotImplemented(t, "tx search", func() (bool, error) {
+			txr, err := indexer.SearchTxEvents(context.Background(), nil)
+			return txr != nil, err
+		})
+
+		// try to insert the duplicate tx events.
+		err = indexer.IndexTxEvents([]*abci.TxResult{txResult})
+		require.NoError(t, err)
+	})
+}
+
+func TestStop(t *testing.T) {
+	indexer := &EventSink{store: testDB()}
+	require.NoError(t, indexer.Stop())
+}
+
+// newTestBlockHeader constructs a fresh copy of a block header containing
+// known test values to exercise the indexer.
+func newTestBlockHeader() types.EventDataNewBlockHeader {
+	return types.EventDataNewBlockHeader{
+		Header: types.Header{Height: 1},
+		ResultBeginBlock: abci.ResponseBeginBlock{
+			Events: []abci.Event{
+				makeIndexedEvent("begin_event.proposer", "FCAA001"),
+				makeIndexedEvent("thingy.whatzit", "O.O"),
+			},
+		},
+		ResultEndBlock: abci.ResponseEndBlock{
+			Events: []abci.Event{
+				makeIndexedEvent("end_event.foo", "100"),
+				makeIndexedEvent("thingy.whatzit", "-.O"),
+			},
+		},
+	}
+}
+
+// readSchema loads the indexing database schema file
+func readSchema() ([]*schema.Migration, error) {
+	const filename = "schema.sql"
+	contents, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read sql file from '%s': %w", filename, err)
+	}
+
+	return []*schema.Migration{{
+		ID:     time.Now().Local().String() + " db schema",
+		Script: string(contents),
+	}}, nil
+}
+
+// resetDB drops all the data from the test database.
+func resetDatabase(db *sql.DB) error {
+	_, err := db.Exec(`DROP TABLE IF EXISTS blocks,tx_results,events,attributes CASCADE;`)
+	if err != nil {
+		return fmt.Errorf("dropping tables: %v", err)
+	}
+	_, err = db.Exec(`DROP VIEW IF EXISTS event_attributes,block_events,tx_events CASCADE;`)
+	if err != nil {
+		return fmt.Errorf("dropping views: %v", err)
+	}
+	return nil
+}
+
+// txResultWithEvents constructs a fresh transaction result with fixed values
+// for testing, that includes the specified events.
+func txResultWithEvents(events []abci.Event) *abci.TxResult {
+	return &abci.TxResult{
+		Height: 1,
+		Index:  0,
+		Tx:     types.Tx("HELLO WORLD"),
+		Result: abci.ResponseDeliverTx{
+			Data:   []byte{0},
+			Code:   abci.CodeTypeOK,
+			Log:    "",
+			Events: events,
+		},
+	}
+}
+
+func loadTxResult(hash []byte) (*abci.TxResult, error) {
+	hashString := fmt.Sprintf("%X", hash)
+	var resultData []byte
+	if err := testDB().QueryRow(`
+SELECT tx_result FROM `+tableTxResults+` WHERE tx_hash = $1;
+`, hashString).Scan(&resultData); err != nil {
+		return nil, fmt.Errorf("lookup transaction for hash %q failed: %v", hashString, err)
+	}
+
+	txr := new(abci.TxResult)
+	if err := proto.Unmarshal(resultData, txr); err != nil {
+		return nil, fmt.Errorf("unmarshaling txr: %v", err)
+	}
+
+	return txr, nil
+}
+
+func verifyTimeStamp(tableName string) error {
+	return testDB().QueryRow(fmt.Sprintf(`
+SELECT DISTINCT %[1]s.created_at
+  FROM %[1]s
+  WHERE %[1]s.created_at >= $1;
+`, tableName), time.Now().Add(-2*time.Second)).Err()
+}
+
+func verifyBlock(t *testing.T, height int64) {
+	// Check that the blocks table contains an entry for this height.
+	if err := testDB().QueryRow(`
+SELECT height FROM `+tableBlocks+` WHERE height = $1;
+`, height).Err(); err == sql.ErrNoRows {
+		t.Errorf("No block found for height=%d", height)
+	} else if err != nil {
+		t.Fatalf("Database query failed: %v", err)
+	}
+
+	// Verify the presence of begin_block and end_block events.
+	if err := testDB().QueryRow(`
+SELECT type, height, chain_id FROM `+viewBlockEvents+`
+  WHERE height = $1 AND type = $2 AND chain_id = $3;
+`, height, eventTypeBeginBlock, chainID).Err(); err == sql.ErrNoRows {
+		t.Errorf("No %q event found for height=%d", eventTypeBeginBlock, height)
+	} else if err != nil {
+		t.Fatalf("Database query failed: %v", err)
+	}
+
+	if err := testDB().QueryRow(`
+SELECT type, height, chain_id FROM `+viewBlockEvents+`
+  WHERE height = $1 AND type = $2 AND chain_id = $3;
+`, height, eventTypeEndBlock, chainID).Err(); err == sql.ErrNoRows {
+		t.Errorf("No %q event found for height=%d", eventTypeEndBlock, height)
+	} else if err != nil {
+		t.Fatalf("Database query failed: %v", err)
+	}
+}
+
+// verifyNotImplemented calls f and verifies that it returns both a
+// false-valued flag and a non-nil error whose string matching the expected
+// "not supported" message with label prefixed.
+func verifyNotImplemented(t *testing.T, label string, f func() (bool, error)) {
+	t.Helper()
+	t.Logf("Verifying that %q reports it is not implemented", label)
+
+	want := label + " is not supported via the postgres event sink"
+	ok, err := f()
+	assert.False(t, ok)
+	require.NotNil(t, err)
+	assert.Equal(t, want, err.Error())
+}
+
+// waitForInterrupt blocks until a SIGINT is received by the process.
+func waitForInterrupt() {
+	ch := make(chan os.Signal, 1)
+	signal.Notify(ch, os.Interrupt)
+	<-ch
+}

state/indexer/sink/psql/schema.sql

@@ -0,0 +1,85 @@
+/*
+  This file defines the database schema for the PostgresQL ("psql") event sink
+  implementation in Tendermint. The operator must create a database and install
+  this schema before using the database to index events.
+ */
+
+-- The blocks table records metadata about each block.
+-- The block record does not include its events or transactions (see tx_results).
+CREATE TABLE blocks (
+  rowid      BIGSERIAL PRIMARY KEY,
+
+  height     BIGINT NOT NULL,
+  chain_id   VARCHAR NOT NULL,
+
+  -- When this block header was logged into the sink, in UTC.
+  created_at TIMESTAMPTZ NOT NULL,
+
+  UNIQUE (height, chain_id)
+);
+
+-- Index blocks by height and chain, since we need to resolve block IDs when
+-- indexing transaction records and transaction events.
+CREATE INDEX idx_blocks_height_chain ON blocks(height, chain_id);
+
+-- The tx_results table records metadata about transaction results.  Note that
+-- the events from a transaction are stored separately.
+CREATE TABLE tx_results (
+  rowid BIGSERIAL PRIMARY KEY,
+
+  -- The block to which this transaction belongs.
+  block_id BIGINT NOT NULL REFERENCES blocks(rowid),
+  -- The sequential index of the transaction within the block.
+  index INTEGER NOT NULL,
+  -- When this result record was logged into the sink, in UTC.
+  created_at TIMESTAMPTZ NOT NULL,
+  -- The hex-encoded hash of the transaction.
+  tx_hash VARCHAR NOT NULL,
+  -- The protobuf wire encoding of the TxResult message.
+  tx_result BYTEA NOT NULL,
+
+  UNIQUE (block_id, index)
+);
+
+-- The events table records events. All events (both block and transaction) are
+-- associated with a block ID; transaction events also have a transaction ID.
+CREATE TABLE events (
+  rowid BIGSERIAL PRIMARY KEY,
+
+  -- The block and transaction this event belongs to.
+  -- If tx_id is NULL, this is a block event.
+  block_id BIGINT NOT NULL REFERENCES blocks(rowid),
+  tx_id    BIGINT NULL REFERENCES tx_results(rowid),
+
+  -- The application-defined type label for the event.
+  type VARCHAR NOT NULL
+);
+
+-- The attributes table records event attributes.
+CREATE TABLE attributes (
+   event_id      BIGINT NOT NULL REFERENCES events(rowid),
+   key           VARCHAR NOT NULL, -- bare key
+   composite_key VARCHAR NOT NULL, -- composed type.key
+   value         VARCHAR NULL,
+
+   UNIQUE (event_id, key)
+);
+
+-- A joined view of events and their attributes. Events that do not have any
+-- attributes are represented as a single row with empty key and value fields.
+CREATE VIEW event_attributes AS
+  SELECT block_id, tx_id, type, key, composite_key, value
+  FROM events LEFT JOIN attributes ON (events.rowid = attributes.event_id);
+
+-- A joined view of all block events (those having tx_id NULL).
+CREATE VIEW block_events AS
+  SELECT blocks.rowid as block_id, height, chain_id, type, key, composite_key, value
+  FROM blocks JOIN event_attributes ON (blocks.rowid = event_attributes.block_id)
+  WHERE event_attributes.tx_id IS NULL;
+
+-- A joined view of all transaction events.
+CREATE VIEW tx_events AS
+  SELECT height, index, chain_id, type, key, composite_key, value, tx_results.created_at
+  FROM blocks JOIN tx_results ON (blocks.rowid = tx_results.block_id)
+  JOIN event_attributes ON (tx_results.rowid = event_attributes.tx_id)
+  WHERE event_attributes.tx_id IS NOT NULL;

state/mocks/block_store.go

@@ -0,0 +1,194 @@
+// Code generated by mockery 2.9.0. DO NOT EDIT.
+
+package mocks
+
+import (
+	mock "github.com/stretchr/testify/mock"
+
+	types "github.com/tendermint/tendermint/types"
+)
+
+// BlockStore is an autogenerated mock type for the BlockStore type
+type BlockStore struct {
+	mock.Mock
+}
+
+// Base provides a mock function with given fields:
+func (_m *BlockStore) Base() int64 {
+	ret := _m.Called()
+
+	var r0 int64
+	if rf, ok := ret.Get(0).(func() int64); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(int64)
+	}
+
+	return r0
+}
+
+// Height provides a mock function with given fields:
+func (_m *BlockStore) Height() int64 {
+	ret := _m.Called()
+
+	var r0 int64
+	if rf, ok := ret.Get(0).(func() int64); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(int64)
+	}
+
+	return r0
+}
+
+// LoadBaseMeta provides a mock function with given fields:
+func (_m *BlockStore) LoadBaseMeta() *types.BlockMeta {
+	ret := _m.Called()
+
+	var r0 *types.BlockMeta
+	if rf, ok := ret.Get(0).(func() *types.BlockMeta); ok {
+		r0 = rf()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*types.BlockMeta)
+		}
+	}
+
+	return r0
+}
+
+// LoadBlock provides a mock function with given fields: height
+func (_m *BlockStore) LoadBlock(height int64) *types.Block {
+	ret := _m.Called(height)
+
+	var r0 *types.Block
+	if rf, ok := ret.Get(0).(func(int64) *types.Block); ok {
+		r0 = rf(height)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*types.Block)
+		}
+	}
+
+	return r0
+}
+
+// LoadBlockByHash provides a mock function with given fields: hash
+func (_m *BlockStore) LoadBlockByHash(hash []byte) *types.Block {
+	ret := _m.Called(hash)
+
+	var r0 *types.Block
+	if rf, ok := ret.Get(0).(func([]byte) *types.Block); ok {
+		r0 = rf(hash)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*types.Block)
+		}
+	}
+
+	return r0
+}
+
+// LoadBlockCommit provides a mock function with given fields: height
+func (_m *BlockStore) LoadBlockCommit(height int64) *types.Commit {
+	ret := _m.Called(height)
+
+	var r0 *types.Commit
+	if rf, ok := ret.Get(0).(func(int64) *types.Commit); ok {
+		r0 = rf(height)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*types.Commit)
+		}
+	}
+
+	return r0
+}
+
+// LoadBlockMeta provides a mock function with given fields: height
+func (_m *BlockStore) LoadBlockMeta(height int64) *types.BlockMeta {
+	ret := _m.Called(height)
+
+	var r0 *types.BlockMeta
+	if rf, ok := ret.Get(0).(func(int64) *types.BlockMeta); ok {
+		r0 = rf(height)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*types.BlockMeta)
+		}
+	}
+
+	return r0
+}
+
+// LoadBlockPart provides a mock function with given fields: height, index
+func (_m *BlockStore) LoadBlockPart(height int64, index int) *types.Part {
+	ret := _m.Called(height, index)
+
+	var r0 *types.Part
+	if rf, ok := ret.Get(0).(func(int64, int) *types.Part); ok {
+		r0 = rf(height, index)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*types.Part)
+		}
+	}
+
+	return r0
+}
+
+// LoadSeenCommit provides a mock function with given fields: height
+func (_m *BlockStore) LoadSeenCommit(height int64) *types.Commit {
+	ret := _m.Called(height)
+
+	var r0 *types.Commit
+	if rf, ok := ret.Get(0).(func(int64) *types.Commit); ok {
+		r0 = rf(height)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*types.Commit)
+		}
+	}
+
+	return r0
+}
+
+// PruneBlocks provides a mock function with given fields: height
+func (_m *BlockStore) PruneBlocks(height int64) (uint64, error) {
+	ret := _m.Called(height)
+
+	var r0 uint64
+	if rf, ok := ret.Get(0).(func(int64) uint64); ok {
+		r0 = rf(height)
+	} else {
+		r0 = ret.Get(0).(uint64)
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func(int64) error); ok {
+		r1 = rf(height)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+// SaveBlock provides a mock function with given fields: block, blockParts, seenCommit
+func (_m *BlockStore) SaveBlock(block *types.Block, blockParts *types.PartSet, seenCommit *types.Commit) {
+	_m.Called(block, blockParts, seenCommit)
+}
+
+// Size provides a mock function with given fields:
+func (_m *BlockStore) Size() int64 {
+	ret := _m.Called()
+
+	var r0 int64
+	if rf, ok := ret.Get(0).(func() int64); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(int64)
+	}
+
+	return r0
+}

state/mocks/evidence_pool.go

@@ -1,4 +1,4 @@
-// Code generated by mockery v2.1.0. DO NOT EDIT.
+// Code generated by mockery 2.9.0. DO NOT EDIT.
 
 package mocks
 

state/mocks/store.go

@@ -1,4 +1,4 @@
-// Code generated by mockery v2.1.0. DO NOT EDIT.
+// Code generated by mockery 2.9.0. DO NOT EDIT.
 
 package mocks
 

state/rollback.go

@@ -0,0 +1,89 @@
+package state
+
+import (
+	"errors"
+	"fmt"
+
+	tmstate "github.com/tendermint/tendermint/proto/tendermint/state"
+	tmversion "github.com/tendermint/tendermint/proto/tendermint/version"
+	"github.com/tendermint/tendermint/version"
+)
+
+// Rollback overwrites the current Tendermint state (height n) with the most
+// recent previous state (height n - 1).
+// Note that this function does not affect application state.
+func Rollback(bs BlockStore, ss Store) (int64, []byte, error) {
+	invalidState, err := ss.Load()
+	if err != nil {
+		return -1, nil, err
+	}
+	if invalidState.IsEmpty() {
+		return -1, nil, errors.New("no state found")
+	}
+
+	rollbackHeight := invalidState.LastBlockHeight
+	rollbackBlock := bs.LoadBlockMeta(rollbackHeight)
+	if rollbackBlock == nil {
+		return -1, nil, fmt.Errorf("block at height %d not found", rollbackHeight)
+	}
+
+	previousValidatorSet, err := ss.LoadValidators(rollbackHeight - 1)
+	if err != nil {
+		return -1, nil, err
+	}
+
+	previousParams, err := ss.LoadConsensusParams(rollbackHeight)
+	if err != nil {
+		return -1, nil, err
+	}
+
+	valChangeHeight := invalidState.LastHeightValidatorsChanged
+	// this can only happen if the validator set changed since the last block
+	if valChangeHeight > rollbackHeight {
+		valChangeHeight = rollbackHeight
+	}
+
+	paramsChangeHeight := invalidState.LastHeightConsensusParamsChanged
+	// this can only happen if params changed from the last block
+	if paramsChangeHeight > rollbackHeight {
+		paramsChangeHeight = rollbackHeight
+	}
+
+	// build the new state from the old state and the prior block
+	rolledBackState := State{
+		Version: tmstate.Version{
+			Consensus: tmversion.Consensus{
+				Block: version.BlockProtocol,
+				App:   previousParams.Version.AppVersion,
+			},
+			Software: version.TMCoreSemVer,
+		},
+		// immutable fields
+		ChainID:       invalidState.ChainID,
+		InitialHeight: invalidState.InitialHeight,
+
+		LastBlockHeight: invalidState.LastBlockHeight - 1,
+		LastBlockID:     rollbackBlock.Header.LastBlockID,
+		LastBlockTime:   rollbackBlock.Header.Time,
+
+		NextValidators:              invalidState.Validators,
+		Validators:                  invalidState.LastValidators,
+		LastValidators:              previousValidatorSet,
+		LastHeightValidatorsChanged: valChangeHeight,
+
+		ConsensusParams:                  previousParams,
+		LastHeightConsensusParamsChanged: paramsChangeHeight,
+
+		LastResultsHash: rollbackBlock.Header.LastResultsHash,
+		AppHash:         rollbackBlock.Header.AppHash,
+	}
+
+	// persist the new state. This overrides the invalid one. NOTE: this will also
+	// persist the validator set and consensus params over the existing structures,
+	// but both should be the same
+	if err := ss.Save(rolledBackState); err != nil {
+		return -1, nil, fmt.Errorf("failed to save rolled back state: %w", err)
+	}
+
+	return rolledBackState.LastBlockHeight, rolledBackState.AppHash, nil
+}

state/rollback_test.go

@@ -0,0 +1,165 @@
+package state_test
+
+import (
+	"crypto/rand"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	dbm "github.com/tendermint/tm-db"
+
+	"github.com/tendermint/tendermint/crypto/tmhash"
+	tmstate "github.com/tendermint/tendermint/proto/tendermint/state"
+	tmversion "github.com/tendermint/tendermint/proto/tendermint/version"
+	"github.com/tendermint/tendermint/state"
+	"github.com/tendermint/tendermint/state/mocks"
+	"github.com/tendermint/tendermint/types"
+	"github.com/tendermint/tendermint/version"
+)
+
+func TestRollback(t *testing.T) {
+	stateStore := state.NewStore(dbm.NewMemDB())
+	blockStore := &mocks.BlockStore{}
+	var (
+		height     int64  = 100
+		appVersion uint64 = 10
+	)
+
+	valSet, _ := types.RandValidatorSet(5, 10)
+
+	params := types.DefaultConsensusParams()
+	params.Version.AppVersion = appVersion
+	newParams := types.DefaultConsensusParams()
+	newParams.Block.MaxBytes = 10000
+
+	initialState := state.State{
+		Version: tmstate.Version{
+			Consensus: tmversion.Consensus{
+				Block: version.BlockProtocol,
+				App:   10,
+			},
+			Software: version.TMCoreSemVer,
+		},
+		ChainID:                          "test-chain",
+		InitialHeight:                    10,
+		LastBlockID:                      makeBlockIDRandom(),
+		AppHash:                          tmhash.Sum([]byte("app_hash")),
+		LastResultsHash:                  tmhash.Sum([]byte("last_results_hash")),
+		LastBlockHeight:                  height,
+		LastValidators:                   valSet,
+		Validators:                       valSet.CopyIncrementProposerPriority(1),
+		NextValidators:                   valSet.CopyIncrementProposerPriority(2),
+		LastHeightValidatorsChanged:      height + 1,
+		ConsensusParams:                  *params,
+		LastHeightConsensusParamsChanged: height + 1,
+	}
+	require.NoError(t, stateStore.Bootstrap(initialState))
+
+	height++
+	block := &types.BlockMeta{
+		Header: types.Header{
+			Height:          height,
+			AppHash:         initialState.AppHash,
+			LastBlockID:     initialState.LastBlockID,
+			LastResultsHash: initialState.LastResultsHash,
+		},
+	}
+	blockStore.On("LoadBlockMeta", height).Return(block)
+
+	appVersion++
+	newParams.Version.AppVersion = appVersion
+	nextState := initialState.Copy()
+	nextState.LastBlockHeight = height
+	nextState.Version.Consensus.App = appVersion
+	nextState.LastBlockID = makeBlockIDRandom()
+	nextState.AppHash = tmhash.Sum([]byte("next_app_hash"))
+	nextState.LastValidators = initialState.Validators
+	nextState.Validators = initialState.NextValidators
+	nextState.NextValidators = initialState.NextValidators.CopyIncrementProposerPriority(1)
+	nextState.ConsensusParams = *newParams
+	nextState.LastHeightConsensusParamsChanged = height + 1
+	nextState.LastHeightValidatorsChanged = height + 1
+
+	// update the state
+	require.NoError(t, stateStore.Save(nextState))
+
+	// rollback the state
+	rollbackHeight, rollbackHash, err := state.Rollback(blockStore, stateStore)
+	require.NoError(t, err)
+	require.EqualValues(t, int64(100), rollbackHeight)
+	require.EqualValues(t, initialState.AppHash, rollbackHash)
+	blockStore.AssertExpectations(t)
+
+	// assert that we've recovered the prior state
+	loadedState, err := stateStore.Load()
+	require.NoError(t, err)
+	require.EqualValues(t, initialState, loadedState)
+}
+
+func TestRollbackNoState(t *testing.T) {
+	stateStore := state.NewStore(dbm.NewMemDB())
+	blockStore := &mocks.BlockStore{}
+
+	_, _, err := state.Rollback(blockStore, stateStore)
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "no state found")
+}
+
+func TestRollbackNoBlocks(t *testing.T) {
+	stateStore := state.NewStore(dbm.NewMemDB())
+	blockStore := &mocks.BlockStore{}
+	var (
+		height     int64  = 100
+		appVersion uint64 = 10
+	)
+
+	valSet, _ := types.RandValidatorSet(5, 10)
+
+	params := types.DefaultConsensusParams()
+	params.Version.AppVersion = appVersion
+	newParams := types.DefaultConsensusParams()
+	newParams.Block.MaxBytes = 10000
+
+	initialState := state.State{
+		Version: tmstate.Version{
+			Consensus: tmversion.Consensus{
+				Block: version.BlockProtocol,
+				App:   10,
+			},
+			Software: version.TMCoreSemVer,
+		},
+		ChainID:                          "test-chain",
+		InitialHeight:                    10,
+		LastBlockID:                      makeBlockIDRandom(),
+		AppHash:                          tmhash.Sum([]byte("app_hash")),
+		LastResultsHash:                  tmhash.Sum([]byte("last_results_hash")),
+		LastBlockHeight:                  height,
+		LastValidators:                   valSet,
+		Validators:                       valSet.CopyIncrementProposerPriority(1),
+		NextValidators:                   valSet.CopyIncrementProposerPriority(2),
+		LastHeightValidatorsChanged:      height + 1,
+		ConsensusParams:                  *params,
+		LastHeightConsensusParamsChanged: height + 1,
+	}
+	require.NoError(t, stateStore.Save(initialState))
+	blockStore.On("LoadBlockMeta", height).Return(nil)
+
+	_, _, err := state.Rollback(blockStore, stateStore)
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "block at height 100 not found")
+}
+
+func makeBlockIDRandom() types.BlockID {
+	var (
+		blockHash   = make([]byte, tmhash.Size)
+		partSetHash = make([]byte, tmhash.Size)
+	)
+	rand.Read(blockHash)   //nolint: errcheck // ignore errcheck for read
+	rand.Read(partSetHash) //nolint: errcheck // ignore errcheck for read
+	return types.BlockID{
+		Hash: blockHash,
+		PartSetHeader: types.PartSetHeader{
+			Total: 123,
+			Hash:  partSetHash,
+		},
+	}
+}

state/services.go

@@ -12,6 +12,8 @@ import (
 //------------------------------------------------------
 // blockstore
 
+//go:generate mockery --case underscore --name BlockStore
+
 // BlockStore defines the interface used by the ConsensusState.
 type BlockStore interface {
 	Base() int64

statesync/snapshots.go

@@ -1,12 +1,10 @@
 package statesync
 
 import (
-	"context"
 	"crypto/sha256"
 	"fmt"
 	"math/rand"
 	"sort"
-	"time"
 
 	tmsync "github.com/tendermint/tendermint/libs/sync"
 	"github.com/tendermint/tendermint/p2p"
@@ -42,8 +40,6 @@ func (s *snapshot) Key() snapshotKey {
 
 // snapshotPool discovers and aggregates snapshots across peers.
 type snapshotPool struct {
-	stateProvider StateProvider
-
 	tmsync.Mutex
 	snapshots     map[snapshotKey]*snapshot
 	snapshotPeers map[snapshotKey]map[p2p.ID]p2p.Peer
@@ -60,9 +56,8 @@ type snapshotPool struct {
 }
 
 // newSnapshotPool creates a new snapshot pool. The state source is used for
-func newSnapshotPool(stateProvider StateProvider) *snapshotPool {
+func newSnapshotPool() *snapshotPool {
 	return &snapshotPool{
-		stateProvider:     stateProvider,
 		snapshots:         make(map[snapshotKey]*snapshot),
 		snapshotPeers:     make(map[snapshotKey]map[p2p.ID]p2p.Peer),
 		formatIndex:       make(map[uint32]map[snapshotKey]bool),
@@ -78,14 +73,6 @@ func newSnapshotPool(stateProvider StateProvider) *snapshotPool {
 // returns true if this was a new, non-blacklisted snapshot. The snapshot height is verified using
 // the light client, and the expected app hash is set for the snapshot.
 func (p *snapshotPool) Add(peer p2p.Peer, snapshot *snapshot) (bool, error) {
-	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
-	defer cancel()
-
-	appHash, err := p.stateProvider.AppHash(ctx, snapshot.Height)
-	if err != nil {
-		return false, err
-	}
-	snapshot.trustedAppHash = appHash
 	key := snapshot.Key()
 
 	p.Lock()

statesync/snapshots_test.go

@@ -4,12 +4,10 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
 
 	"github.com/tendermint/tendermint/p2p"
 	p2pmocks "github.com/tendermint/tendermint/p2p/mocks"
-	"github.com/tendermint/tendermint/statesync/mocks"
 )
 
 func TestSnapshot_Key(t *testing.T) {
@@ -41,14 +39,11 @@ func TestSnapshot_Key(t *testing.T) {
 }
 
 func TestSnapshotPool_Add(t *testing.T) {
-	stateProvider := &mocks.StateProvider{}
-	stateProvider.On("AppHash", mock.Anything, uint64(1)).Return([]byte("app_hash"), nil)
-
 	peer := &p2pmocks.Peer{}
 	peer.On("ID").Return(p2p.ID("id"))
 
 	// Adding to the pool should work
-	pool := newSnapshotPool(stateProvider)
+	pool := newSnapshotPool()
 	added, err := pool.Add(peer, &snapshot{
 		Height: 1,
 		Format: 1,
@@ -73,15 +68,10 @@ func TestSnapshotPool_Add(t *testing.T) {
 	// The pool should have populated the snapshot with the trusted app hash
 	snapshot := pool.Best()
 	require.NotNil(t, snapshot)
-	assert.Equal(t, []byte("app_hash"), snapshot.trustedAppHash)
-
-	stateProvider.AssertExpectations(t)
 }
 
 func TestSnapshotPool_GetPeer(t *testing.T) {
-	stateProvider := &mocks.StateProvider{}
-	stateProvider.On("AppHash", mock.Anything, mock.Anything).Return([]byte("app_hash"), nil)
-	pool := newSnapshotPool(stateProvider)
+	pool := newSnapshotPool()
 
 	s := &snapshot{Height: 1, Format: 1, Chunks: 1, Hash: []byte{1}}
 	peerA := &p2pmocks.Peer{}
@@ -115,9 +105,7 @@ func TestSnapshotPool_GetPeer(t *testing.T) {
 }
 
 func TestSnapshotPool_GetPeers(t *testing.T) {
-	stateProvider := &mocks.StateProvider{}
-	stateProvider.On("AppHash", mock.Anything, mock.Anything).Return([]byte("app_hash"), nil)
-	pool := newSnapshotPool(stateProvider)
+	pool := newSnapshotPool()
 
 	s := &snapshot{Height: 1, Format: 1, Chunks: 1, Hash: []byte{1}}
 	peerA := &p2pmocks.Peer{}
@@ -139,9 +127,7 @@ func TestSnapshotPool_GetPeers(t *testing.T) {
 }
 
 func TestSnapshotPool_Ranked_Best(t *testing.T) {
-	stateProvider := &mocks.StateProvider{}
-	stateProvider.On("AppHash", mock.Anything, mock.Anything).Return([]byte("app_hash"), nil)
-	pool := newSnapshotPool(stateProvider)
+	pool := newSnapshotPool()
 
 	// snapshots in expected order (best to worst). Highest height wins, then highest format.
 	// Snapshots with different chunk hashes are considered different, and the most peers is
@@ -184,9 +170,7 @@ func TestSnapshotPool_Ranked_Best(t *testing.T) {
 }
 
 func TestSnapshotPool_Reject(t *testing.T) {
-	stateProvider := &mocks.StateProvider{}
-	stateProvider.On("AppHash", mock.Anything, mock.Anything).Return([]byte("app_hash"), nil)
-	pool := newSnapshotPool(stateProvider)
+	pool := newSnapshotPool()
 	peer := &p2pmocks.Peer{}
 	peer.On("ID").Return(p2p.ID("id"))
 
@@ -214,9 +198,7 @@ func TestSnapshotPool_Reject(t *testing.T) {
 }
 
 func TestSnapshotPool_RejectFormat(t *testing.T) {
-	stateProvider := &mocks.StateProvider{}
-	stateProvider.On("AppHash", mock.Anything, mock.Anything).Return([]byte("app_hash"), nil)
-	pool := newSnapshotPool(stateProvider)
+	pool := newSnapshotPool()
 	peer := &p2pmocks.Peer{}
 	peer.On("ID").Return(p2p.ID("id"))
 
@@ -245,9 +227,7 @@ func TestSnapshotPool_RejectFormat(t *testing.T) {
 }
 
 func TestSnapshotPool_RejectPeer(t *testing.T) {
-	stateProvider := &mocks.StateProvider{}
-	stateProvider.On("AppHash", mock.Anything, mock.Anything).Return([]byte("app_hash"), nil)
-	pool := newSnapshotPool(stateProvider)
+	pool := newSnapshotPool()
 
 	peerA := &p2pmocks.Peer{}
 	peerA.On("ID").Return(p2p.ID("a"))
@@ -287,9 +267,7 @@ func TestSnapshotPool_RejectPeer(t *testing.T) {
 }
 
 func TestSnapshotPool_RemovePeer(t *testing.T) {
-	stateProvider := &mocks.StateProvider{}
-	stateProvider.On("AppHash", mock.Anything, mock.Anything).Return([]byte("app_hash"), nil)
-	pool := newSnapshotPool(stateProvider)
+	pool := newSnapshotPool()
 
 	peerA := &p2pmocks.Peer{}
 	peerA.On("ID").Return(p2p.ID("a"))

statesync/stateprovider.go

@@ -106,10 +106,6 @@ func (s *lightClientStateProvider) AppHash(ctx context.Context, height uint64) (
 	if err != nil {
 		return nil, err
 	}
-	_, err = s.lc.VerifyLightBlockAtHeight(ctx, int64(height), time.Now())
-	if err != nil {
-		return nil, err
-	}
 	return header.AppHash, nil
 }
 

statesync/syncer.go

@@ -11,6 +11,7 @@ import (
 	"github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/libs/log"
 	tmsync "github.com/tendermint/tendermint/libs/sync"
+	"github.com/tendermint/tendermint/light"
 	"github.com/tendermint/tendermint/p2p"
 	ssproto "github.com/tendermint/tendermint/proto/tendermint/statesync"
 	"github.com/tendermint/tendermint/proxy"
@@ -78,7 +79,7 @@ func newSyncer(
 		stateProvider: stateProvider,
 		conn:          conn,
 		connQuery:     connQuery,
-		snapshots:     newSnapshotPool(stateProvider),
+		snapshots:     newSnapshotPool(),
 		tempDir:       tempDir,
 		chunkFetchers: cfg.ChunkFetchers,
 		retryTimeout:  cfg.ChunkRequestTimeout,
@@ -247,30 +248,51 @@ func (s *syncer) Sync(snapshot *snapshot, chunks *chunkQueue) (sm.State, *types.
 		s.mtx.Unlock()
 	}()
 
+	hctx, cancel := context.WithTimeout(context.TODO(), 30*time.Second)
+	defer cancel()
+
+	appHash, err := s.stateProvider.AppHash(hctx, snapshot.Height)
+	if err != nil {
+		s.logger.Info("failed to fetch and verify app hash", "err", err)
+		if err == light.ErrNoWitnesses {
+			return sm.State{}, nil, err
+		}
+		return sm.State{}, nil, errRejectSnapshot
+	}
+	snapshot.trustedAppHash = appHash
+
 	// Offer snapshot to ABCI app.
-	err := s.offerSnapshot(snapshot)
+	err = s.offerSnapshot(snapshot)
 	if err != nil {
 		return sm.State{}, nil, err
 	}
 
 	// Spawn chunk fetchers. They will terminate when the chunk queue is closed or context cancelled.
-	ctx, cancel := context.WithCancel(context.Background())
+	fetchCtx, cancel := context.WithCancel(context.TODO())
 	defer cancel()
 	for i := int32(0); i < s.chunkFetchers; i++ {
-		go s.fetchChunks(ctx, snapshot, chunks)
+		go s.fetchChunks(fetchCtx, snapshot, chunks)
 	}
 
-	pctx, pcancel := context.WithTimeout(context.Background(), 15*time.Second)
+	pctx, pcancel := context.WithTimeout(context.TODO(), 30*time.Second)
 	defer pcancel()
 
 	// Optimistically build new state, so we don't discover any light client failures at the end.
 	state, err := s.stateProvider.State(pctx, snapshot.Height)
 	if err != nil {
-		return sm.State{}, nil, fmt.Errorf("failed to build new state: %w", err)
+		s.logger.Info("failed to fetch and verify tendermint state", "err", err)
+		if err == light.ErrNoWitnesses {
+			return sm.State{}, nil, err
+		}
+		return sm.State{}, nil, errRejectSnapshot
 	}
 	commit, err := s.stateProvider.Commit(pctx, snapshot.Height)
 	if err != nil {
-		return sm.State{}, nil, fmt.Errorf("failed to fetch commit: %w", err)
+		s.logger.Info("failed to fetch and verify commit", "err", err)
+		if err == light.ErrNoWitnesses {
+			return sm.State{}, nil, err
+		}
+		return sm.State{}, nil, errRejectSnapshot
 	}
 
 	// Restore snapshot

test/e2e/Makefile

@@ -6,8 +6,8 @@ docker:
 # We need to build support for database backends into the app in
 # order to build a binary with a Tendermint node in it (for built-in
 # ABCI testing).
-app:
-	go build -o build/app -tags badgerdb,boltdb,cleveldb,rocksdb ./app
+node:
+	go build -o build/node -tags badgerdb,boltdb,cleveldb,rocksdb ./node
 	
 # To be used primarily by the e2e docker instance. If you want to produce this binary
 # elsewhere, then run go build in the maverick directory. 
@@ -20,4 +20,4 @@ generator:
 runner:
 	go build -o build/runner ./runner
 
-.PHONY: all app docker generator maverick runner 
+.PHONY: all node docker generator maverick runner 

test/e2e/README.md

@@ -122,10 +122,42 @@ Docker does not enable IPv6 by default. To do so, enter the following in
 }
 ```
 
-## Benchmarking testnets
+## Benchmarking Testnets
 
 It is also possible to run a simple benchmark on a testnet. This is done through the `benchmark` command. This manages the entire process: setting up the environment, starting the test net, waiting for a considerable amount of blocks to be used (currently 100), and then returning the following metrics from the sample of the blockchain:
 
 - Average time to produce a block
 - Standard deviation of producing a block
 - Minimum and maximum time to produce a block
+
+## Running Individual Nodes
+
+The E2E test harness is designed to run several nodes of varying configurations within docker. It is also possible to run a single node in the case of running larger, geographically-dispersed testnets. To run a single node you can either run:
+
+**Built-in**
+
+```bash
+make node
+tendermint init validator
+TMHOME=$HOME/.tendermint ./build/node ./node/built-in.toml
+```
+
+To make things simpler the e2e application can also be run in the tendermint binary
+by running
+
+```bash
+tendermint start --proxy-app e2e
+```
+
+However this won't offer the same level of configurability of the application.
+
+**Socket**
+
+```bash
+make node
+tendermint init validator
+tendermint start
+./build/node ./node.socket.toml
+```
+
+Check `node/config.go` to see how the settings of the test application can be tweaked.

test/e2e/app/app.go

@@ -1,4 +1,4 @@
-package main
+package app
 
 import (
 	"bytes"
@@ -28,6 +28,55 @@ type Application struct {
 	restoreChunks   [][]byte
 }
 
+// Config allows for the setting of high level parameters for running the e2e Application
+// KeyType and ValidatorUpdates must be the same for all nodes running the same application.
+type Config struct {
+	// The directory with which state.json will be persisted in. Usually $HOME/.tendermint/data
+	Dir string `toml:"dir"`
+
+	// SnapshotInterval specifies the height interval at which the application
+	// will take state sync snapshots. Defaults to 0 (disabled).
+	SnapshotInterval uint64 `toml:"snapshot_interval"`
+
+	// RetainBlocks specifies the number of recent blocks to retain. Defaults to
+	// 0, which retains all blocks. Must be greater that PersistInterval,
+	// SnapshotInterval and EvidenceAgeHeight.
+	RetainBlocks uint64 `toml:"retain_blocks"`
+
+	// KeyType sets the curve that will be used by validators.
+	// Options are ed25519 & secp256k1
+	KeyType string `toml:"key_type"`
+
+	// PersistInterval specifies the height interval at which the application
+	// will persist state to disk. Defaults to 1 (every height), setting this to
+	// 0 disables state persistence.
+	PersistInterval uint64 `toml:"persist_interval"`
+
+	// ValidatorUpdates is a map of heights to validator names and their power,
+	// and will be returned by the ABCI application. For example, the following
+	// changes the power of validator01 and validator02 at height 1000:
+	//
+	// [validator_update.1000]
+	// validator01 = 20
+	// validator02 = 10
+	//
+	// Specifying height 0 returns the validator update during InitChain. The
+	// application returns the validator updates as-is, i.e. removing a
+	// validator must be done by returning it with power 0, and any validators
+	// not specified are not changed.
+	//
+	// height <-> pubkey <-> voting power
+	ValidatorUpdates map[string]map[string]uint8 `toml:"validator_update"`
+}
+
+func DefaultConfig(dir string) *Config {
+	return &Config{
+		PersistInterval:  1,
+		SnapshotInterval: 100,
+		Dir:              dir,
+	}
+}
+
 // NewApplication creates the application.
 func NewApplication(cfg *Config) (*Application, error) {
 	state, err := NewState(filepath.Join(cfg.Dir, "state.json"), cfg.PersistInterval)

test/e2e/app/snapshots.go

@@ -1,5 +1,5 @@
 // nolint: gosec
-package main
+package app
 
 import (
 	"encoding/json"

test/e2e/app/state.go

@@ -1,5 +1,5 @@
 //nolint: gosec
-package main
+package app
 
 import (
 	"crypto/sha256"

test/e2e/docker/Dockerfile

@@ -19,7 +19,7 @@ COPY . .
 RUN make build && cp build/tendermint /usr/bin/tendermint
 COPY test/e2e/docker/entrypoint* /usr/bin/
 RUN cd test/e2e && make maverick && cp build/maverick /usr/bin/maverick
-RUN cd test/e2e && make app && cp build/app /usr/bin/app
+RUN cd test/e2e && make node && cp build/node /usr/bin/app
 
 # Set up runtime directory. We don't use a separate runtime image since we need
 # e.g. leveldb and rocksdb which are already installed in the build image.

test/e2e/generator/generate.go

@@ -15,7 +15,6 @@ var (
 	// separate testnet for each combination (Cartesian product) of options.
 	testnetCombinations = map[string][]interface{}{
 		"topology":      {"single", "quad", "large"},
-		"ipv6":          {false, true},
 		"initialHeight": {0, 1000},
 		"initialState": {
 			map[string]string{},
@@ -26,11 +25,12 @@ var (
 
 	// The following specify randomly chosen values for testnet nodes.
 	nodeDatabases = uniformChoice{"goleveldb", "cleveldb", "rocksdb", "boltdb", "badgerdb"}
+	ipv6          = uniformChoice{false, true}
 	// FIXME: grpc disabled due to https://github.com/tendermint/tendermint/issues/5439
 	nodeABCIProtocols    = uniformChoice{"unix", "tcp", "builtin"} // "grpc"
 	nodePrivvalProtocols = uniformChoice{"file", "unix", "tcp"}
 	// FIXME: v2 disabled due to flake
-	nodeFastSyncs         = uniformChoice{"", "v0"} // "v2"
+	nodeFastSyncs         = uniformChoice{"v0"} // "v2"
 	nodeStateSyncs        = uniformChoice{false, true}
 	nodePersistIntervals  = uniformChoice{0, 1, 5}
 	nodeSnapshotIntervals = uniformChoice{0, 3}
@@ -66,7 +66,8 @@ func Generate(r *rand.Rand) ([]e2e.Manifest, error) {
 // generateTestnet generates a single testnet with the given options.
 func generateTestnet(r *rand.Rand, opt map[string]interface{}) (e2e.Manifest, error) {
 	manifest := e2e.Manifest{
-		IPv6:             opt["ipv6"].(bool),
+		IPv6:             ipv6.Choose(r).(bool),
+		ABCIProtocol:     nodeABCIProtocols.Choose(r).(string),
 		InitialHeight:    int64(opt["initialHeight"].(int)),
 		InitialState:     opt["initialState"].(map[string]string),
 		Validators:       &map[string]int64{},
@@ -207,7 +208,6 @@ func generateNode(
 		Mode:             string(mode),
 		StartAt:          startAt,
 		Database:         nodeDatabases.Choose(r).(string),
-		ABCIProtocol:     nodeABCIProtocols.Choose(r).(string),
 		PrivvalProtocol:  nodePrivvalProtocols.Choose(r).(string),
 		FastSync:         nodeFastSyncs.Choose(r).(string),
 		StateSync:        nodeStateSyncs.Choose(r).(bool) && startAt > 0,
@@ -264,7 +264,6 @@ func generateLightNode(r *rand.Rand, startAt int64, providers []string) *e2e.Man
 		Mode:            string(e2e.ModeLight),
 		StartAt:         startAt,
 		Database:        nodeDatabases.Choose(r).(string),
-		ABCIProtocol:    "builtin",
 		PersistInterval: ptrUint64(0),
 		PersistentPeers: providers,
 	}

test/e2e/node/built-in.toml

@@ -0,0 +1,4 @@
+snapshot_interval = 100
+persist_interval = 1
+chain_id = "test-chain"
+protocol = "builtin"

test/e2e/node/config.go

@@ -6,6 +6,8 @@ import (
 	"fmt"
 
 	"github.com/BurntSushi/toml"
+
+	"github.com/tendermint/tendermint/test/e2e/app"
 )
 
 // Config is the application configuration.
@@ -26,6 +28,18 @@ type Config struct {
 	KeyType          string                      `toml:"key_type"`
 }
 
+// App extracts out the application specific configuration parameters
+func (cfg *Config) App() *app.Config {
+	return &app.Config{
+		Dir:              cfg.Dir,
+		SnapshotInterval: cfg.SnapshotInterval,
+		RetainBlocks:     cfg.RetainBlocks,
+		KeyType:          cfg.KeyType,
+		ValidatorUpdates: cfg.ValidatorUpdates,
+		PersistInterval:  cfg.PersistInterval,
+	}
+}
+
 // LoadConfig loads the configuration from disk.
 func LoadConfig(file string) (*Config, error) {
 	cfg := &Config{

test/e2e/node/main.go

@@ -28,6 +28,7 @@ import (
 	"github.com/tendermint/tendermint/privval"
 	"github.com/tendermint/tendermint/proxy"
 	rpcserver "github.com/tendermint/tendermint/rpc/jsonrpc/server"
+	"github.com/tendermint/tendermint/test/e2e/app"
 	e2e "github.com/tendermint/tendermint/test/e2e/pkg"
 	mcs "github.com/tendermint/tendermint/test/maverick/consensus"
 	maverick "github.com/tendermint/tendermint/test/maverick/node"
@@ -98,7 +99,7 @@ func run(configFile string) error {
 
 // startApp starts the application server, listening for connections from Tendermint.
 func startApp(cfg *Config) error {
-	app, err := NewApplication(cfg)
+	app, err := app.NewApplication(cfg.App())
 	if err != nil {
 		return err
 	}
@@ -119,7 +120,7 @@ func startApp(cfg *Config) error {
 //
 // FIXME There is no way to simply load the configuration from a file, so we need to pull in Viper.
 func startNode(cfg *Config) error {
-	app, err := NewApplication(cfg)
+	app, err := app.NewApplication(cfg.App())
 	if err != nil {
 		return err
 	}
@@ -205,7 +206,7 @@ func startLightClient(cfg *Config) error {
 // startMaverick starts a Maverick node that runs the application directly. It assumes the Tendermint
 // configuration is in $TMHOME/config/tendermint.toml.
 func startMaverick(cfg *Config) error {
-	app, err := NewApplication(cfg)
+	app, err := app.NewApplication(cfg.App())
 	if err != nil {
 		return err
 	}

test/e2e/node/socket.toml

@@ -0,0 +1,5 @@
+snapshot_interval = 100
+persist_interval = 1
+chain_id = "test-chain"
+protocol = "socket"
+listen = "tcp://127.0.0.1:26658"

test/e2e/pkg/manifest.go

@@ -50,6 +50,12 @@ type Manifest struct {
 	// KeyType sets the curve that will be used by validators.
 	// Options are ed25519 & secp256k1
 	KeyType string `toml:"key_type"`
+
+	// ABCIProtocol specifies the protocol used to communicate with the ABCI
+	// application: "unix", "tcp", "grpc", or "builtin". Defaults to builtin.
+	// builtin will build a complete Tendermint node into the application and
+	// launch it instead of launching a separate Tendermint process.
+	ABCIProtocol string `toml:"abci_protocol"`
 }
 
 // ManifestNode represents a node in a testnet manifest.
@@ -72,12 +78,6 @@ type ManifestNode struct {
 	// "rocksdb", "boltdb", or "badgerdb". Defaults to goleveldb.
 	Database string `toml:"database"`
 
-	// ABCIProtocol specifies the protocol used to communicate with the ABCI
-	// application: "unix", "tcp", "grpc", or "builtin". Defaults to unix.
-	// builtin will build a complete Tendermint node into the application and
-	// launch it instead of launching a separate Tendermint process.
-	ABCIProtocol string `toml:"abci_protocol"`
-
 	// PrivvalProtocol specifies the protocol used to sign consensus messages:
 	// "file", "unix", or "tcp". Defaults to "file". For unix and tcp, the ABCI
 	// application will launch a remote signer client in a separate goroutine.

test/e2e/pkg/testnet.go

@@ -60,6 +60,7 @@ type Testnet struct {
 	ValidatorUpdates map[int64]map[*Node]int64
 	Nodes            []*Node
 	KeyType          string
+	ABCIProtocol     string
 }
 
 // Node represents a Tendermint node in a testnet.
@@ -122,10 +123,17 @@ func LoadTestnet(file string) (*Testnet, error) {
 		Validators:       map[*Node]int64{},
 		ValidatorUpdates: map[int64]map[*Node]int64{},
 		Nodes:            []*Node{},
+		ABCIProtocol:     manifest.ABCIProtocol,
+	}
+	if len(manifest.KeyType) != 0 {
+		testnet.KeyType = manifest.KeyType
 	}
 	if manifest.InitialHeight > 0 {
 		testnet.InitialHeight = manifest.InitialHeight
 	}
+	if testnet.ABCIProtocol == "" {
+		testnet.ABCIProtocol = string(ProtocolBuiltin)
+	}
 
 	// Set up nodes, in alphabetical order (IPs and ports get same order).
 	nodeNames := []string{}
@@ -145,7 +153,7 @@ func LoadTestnet(file string) (*Testnet, error) {
 			ProxyPort:        proxyPortGen.Next(),
 			Mode:             ModeValidator,
 			Database:         "goleveldb",
-			ABCIProtocol:     ProtocolBuiltin,
+			ABCIProtocol:     Protocol(testnet.ABCIProtocol),
 			PrivvalProtocol:  ProtocolFile,
 			StartAt:          nodeManifest.StartAt,
 			FastSync:         nodeManifest.FastSync,
@@ -162,12 +170,12 @@ func LoadTestnet(file string) (*Testnet, error) {
 		if nodeManifest.Mode != "" {
 			node.Mode = Mode(nodeManifest.Mode)
 		}
+		if node.Mode == ModeLight {
+			node.ABCIProtocol = ProtocolBuiltin
+		}
 		if nodeManifest.Database != "" {
 			node.Database = nodeManifest.Database
 		}
-		if nodeManifest.ABCIProtocol != "" {
-			node.ABCIProtocol = Protocol(nodeManifest.ABCIProtocol)
-		}
 		if nodeManifest.PrivvalProtocol != "" {
 			node.PrivvalProtocol = Protocol(nodeManifest.PrivvalProtocol)
 		}

test/e2e/runner/start.go

@@ -9,6 +9,9 @@ import (
 )
 
 func Start(testnet *e2e.Testnet) error {
+	if len(testnet.Nodes) == 0 {
+		return fmt.Errorf("no nodes in testnet")
+	}
 
 	// Nodes are already sorted by name. Sort them by name then startAt,
 	// which gives the overall order startAt, mode, name.
@@ -25,12 +28,11 @@ func Start(testnet *e2e.Testnet) error {
 		}
 		return false
 	})
+
 	sort.SliceStable(nodeQueue, func(i, j int) bool {
 		return nodeQueue[i].StartAt < nodeQueue[j].StartAt
 	})
-	if len(nodeQueue) == 0 {
-		return fmt.Errorf("no nodes in testnet")
-	}
+
 	if nodeQueue[0].StartAt > 0 {
 		return fmt.Errorf("no initial nodes in testnet")
 	}
@@ -49,9 +51,15 @@ func Start(testnet *e2e.Testnet) error {
 		logger.Info(fmt.Sprintf("Node %v up on http://127.0.0.1:%v", node.Name, node.ProxyPort))
 	}
 
+	networkHeight := testnet.InitialHeight
+
 	// Wait for initial height
-	logger.Info(fmt.Sprintf("Waiting for initial height %v...", testnet.InitialHeight))
-	block, blockID, err := waitForHeight(testnet, testnet.InitialHeight)
+	logger.Info("Waiting for initial height",
+		"height", networkHeight,
+		"nodes", len(testnet.Nodes)-len(nodeQueue),
+		"pending", len(nodeQueue))
+
+	block, blockID, err := waitForHeight(testnet, networkHeight)
 	if err != nil {
 		return err
 	}
@@ -66,12 +74,28 @@ func Start(testnet *e2e.Testnet) error {
 		}
 	}
 
-	// Start up remaining nodes
 	for _, node := range nodeQueue {
-		logger.Info(fmt.Sprintf("Starting node %v at height %v...", node.Name, node.StartAt))
-		if _, _, err := waitForHeight(testnet, node.StartAt); err != nil {
-			return err
+		if node.StartAt > networkHeight {
+			// if we're starting a node that's ahead of
+			// the last known height of the network, then
+			// we should make sure that the rest of the
+			// network has reached at least the height
+			// that this node will start at before we
+			// start the node.
+
+			networkHeight = node.StartAt
+
+			logger.Info("Waiting for network to advance before starting catch up node",
+				"node", node.Name,
+				"height", networkHeight)
+
+			if _, _, err := waitForHeight(testnet, networkHeight); err != nil {
+				return err
+			}
 		}
+
+		logger.Info("Starting catch up node", "node", node.Name, "height", node.StartAt)
+
 		if err := execCompose(testnet.Dir, "up", "-d", node.Name); err != nil {
 			return err
 		}

test/e2e/tests/app_test.go

@@ -17,9 +17,6 @@ import (
 // Tests that any initial state given in genesis has made it into the app.
 func TestApp_InitialState(t *testing.T) {
 	testNode(t, func(t *testing.T, node e2e.Node) {
-		if node.Stateless() {
-			return
-		}
 		if len(node.Testnet.InitialState) == 0 {
 			return
 		}
@@ -39,12 +36,6 @@ func TestApp_InitialState(t *testing.T) {
 // block and the node sync status.
 func TestApp_Hash(t *testing.T) {
 	testNode(t, func(t *testing.T, node e2e.Node) {
-		// disables tests for light clients
-		// see https://github.com/tendermint/tendermint/issues/6671
-		if node.Mode == e2e.ModeSeed || node.Mode == e2e.ModeLight {
-			return
-		}
-
 		client, err := node.Client()
 		require.NoError(t, err)
 		info, err := client.ABCIInfo(ctx)
@@ -66,12 +57,6 @@ func TestApp_Hash(t *testing.T) {
 // Tests that we can set a value and retrieve it.
 func TestApp_Tx(t *testing.T) {
 	testNode(t, func(t *testing.T, node e2e.Node) {
-		// disables tests for light clients
-		// see https://github.com/tendermint/tendermint/issues/6671
-		if node.Mode == e2e.ModeSeed || node.Mode == e2e.ModeLight {
-			return
-		}
-
 		client, err := node.Client()
 		require.NoError(t, err)
 

test/e2e/tests/e2e_test.go

@@ -50,6 +50,10 @@ func testNode(t *testing.T, testFunc func(*testing.T, e2e.Node)) {
 	}
 
 	for _, node := range nodes {
+		if node.Stateless() {
+			continue
+		}
+
 		node := *node
 		t.Run(node.Name, func(t *testing.T) {
 			t.Parallel()

tests.mk

@@ -37,6 +37,7 @@ test_integrations:
 	make build_docker_test_image
 	make tools
 	make install
+	make install_abci
 	make test_cover
 	make test_apps
 	make test_abci_apps

version/version.go

@@ -7,7 +7,7 @@ var (
 const (
 	// TMVersionDefault is the used as the fallback version of Tendermint Core
 	// when not using git describe. It is formatted with semantic versioning.
-	TMVersionDefault = "0.34.11"
+	TMVersionDefault = "0.34.14"
 	// ABCISemVer is the semantic version of the ABCI library
 	ABCISemVer = "0.17.0"