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Sergio Mena 53999f9e78 PrepareProposal/ProcessProposal: Dealing with block data exposed to App (#9219) 
* [cherrypicked] abci++: only include meaningful header fields in data passed-through to application (#8216)

* make proto-gen

* Fix kvstore tests

* Small changes to abci protobufs taken from v0.36.x

* make proto-gen (again)

* [Partial cherrypick] Restore `Commit` to the ABCI++ spec, and other late modifications (backport #8796) (#8936)

* Restore `Commit` to the ABCI++ spec, and other late modifications (#8796)

* Added VoteExtensionsEnableHeight

* Fix reference to `modified`

* Removed old pseudo-code, now included in spec

* Removed markdown warnings in abci++_basic_concepts_002_draft.md

* Restored `Commit` in the Methods section

* Addressed remaining markdown warnings

* Revisited intro and basic concepts section

* Extra pass at all spec sections to recover Commit, and other ABCI++ spec modifications

* Fixed links

* make proto-gen

* Remove _primes_ from spec notation

* Update proto/tendermint/abci/types.proto

Co-authored-by: Callum Waters <cmwaters19@gmail.com>

* Update spec/abci++/abci++_tmint_expected_behavior_002_draft.md

Co-authored-by: Callum Waters <cmwaters19@gmail.com>

* Addressed @cmwaters' comments

* Addressed @angbrav's and @mpoke's comments on spec

* make proto-gen

* Fix MD anchor reference

* Clarify throughout the spec when `ProcessProposal` and `VerifyVoteExtension` are called

* Update spec/abci++/abci++_app_requirements_002_draft.md

Co-authored-by: M. J. Fromberger <fromberger@interchain.io>

* Update spec/abci++/abci++_app_requirements_002_draft.md

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* Update spec/abci++/abci++_app_requirements_002_draft.md

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* Update spec/abci++/abci++_basic_concepts_002_draft.md

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* Update spec/abci++/abci++_basic_concepts_002_draft.md

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* Update spec/abci++/abci++_basic_concepts_002_draft.md

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* Update spec/abci++/abci++_methods_002_draft.md

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* Update spec/abci++/abci++_tmint_expected_behavior_002_draft.md

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* Addresed comments

* Renamed 'draft' files

* Adatped links to new filenames

* Fixed links and minor cosmetic changes

* Renamed 'byzantine_validators' to 'misbehavior' in ABCI++ spec and protobufs

* make proto-gen

* Renamed 'byzantine_validators' to 'misbehavior' in the code

* Fixed link

* Update spec/abci++/abci++_basic_concepts.md

Co-authored-by: Daniel <daniel.cason@usi.ch>

* Update spec/abci++/abci++_basic_concepts.md

Co-authored-by: Daniel <daniel.cason@usi.ch>

* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

Co-authored-by: Daniel <daniel.cason@usi.ch>

* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_basic_concepts.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

Co-authored-by: Daniel <daniel.cason@usi.ch>

* Update spec/abci++/abci++_methods.md

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* Update spec/abci++/abci++_methods.md

Co-authored-by: Daniel <daniel.cason@usi.ch>

* Update spec/abci++/abci++_methods.md

Co-authored-by: Daniel <daniel.cason@usi.ch>

* Update spec/abci++/abci++_methods.md

Co-authored-by: Daniel <daniel.cason@usi.ch>

* Update spec/abci++/abci++_methods.md

Co-authored-by: Daniel <daniel.cason@usi.ch>

* Update spec/abci++/abci++_methods.md

Co-authored-by: Daniel <daniel.cason@usi.ch>

* Addressed @cason's comments

* Clarified conditions for `ProcessProposal` call at proposer

Co-authored-by: Callum Waters <cmwaters19@gmail.com>
Co-authored-by: M. J. Fromberger <fromberger@interchain.io>
Co-authored-by: William Banfield <4561443+williambanfield@users.noreply.github.com>
Co-authored-by: Daniel <daniel.cason@usi.ch>
(cherry picked from commit 331860c2a8)

* Fixed merge conflicts

Co-authored-by: Sergio Mena <sergio@informal.systems>

* make proto-gen (and again)

* make build

* fix UTs

Co-authored-by: William Banfield <4561443+williambanfield@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2022-08-15 20:11:17 +02:00
..
helpers.go
test/e2e: fix secp failures (#5649)
2020-11-18 15:21:52 +01:00
kvstore_test.go
build(deps): Bump google.golang.org/grpc from 1.38.0 to 1.42.0 (#7232)
2021-11-08 12:39:15 -05:00
kvstore.go
abci: implement process proposal to spec (#9122)
2022-08-15 20:11:16 +02:00
persistent_kvstore.go
PrepareProposal/ProcessProposal: Dealing with block data exposed to App (#9219)
2022-08-15 20:11:17 +02:00
README.md
lint: add markdown linter (#5254)
2020-08-17 16:40:50 +02:00

README.md

KVStore

There are two app's here: the KVStoreApplication and the PersistentKVStoreApplication.

KVStoreApplication

The KVStoreApplication is a simple merkle key-value store. Transactions of the form key=value are stored as key-value pairs in the tree. Transactions without an = sign set the value to the key. The app has no replay protection (other than what the mempool provides).

PersistentKVStoreApplication

The PersistentKVStoreApplication wraps the KVStoreApplication and provides two additional features:

  1. persistence of state across app restarts (using Tendermint's ABCI-Handshake mechanism)
  2. validator set changes

The state is persisted in leveldb along with the last block committed, and the Handshake allows any necessary blocks to be replayed. Validator set changes are effected using the following transaction format:

"val:pubkey1!power1,pubkey2!power2,pubkey3!power3"

where pubkeyN is a base64-encoded 32-byte ed25519 key and powerN is a new voting power for the validator with pubkeyN (possibly a new one). To remove a validator from the validator set, set power to 0. There is no sybil protection against new validators joining.