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Feature branch Attesteer System WIP #173
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Summary of Changes
Hello @randygrok, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request introduces significant changes to support multi-validator functionality and improve the attestation system within Rollkit. It includes new testing infrastructure for multi-validator scenarios, refactors how validator hashes are handled during block conversion, and updates the RPC layer to expose a full validator set. These changes lay crucial groundwork for a more robust and decentralized block finalization process.
Highlights
- Multi-Validator Testing: I've added a new comprehensive test file (
modules/rollkitmngr/keeper/rollkit_block_test.go
) that simulates multi-validator block production, commit signing, and light client verification. This includes a scenario demonstrating asynchronous validator signatures, which is crucial for the 'Attesteer System'. - Validator Hash Handling Refactor: I've refactored the
ToABCIBlock
function inpkg/cometcompat/convert.go
to no longer compute the validator hash internally. Instead, it now expects theValidatorHash
to be pre-computed and available directly within theSignedHeader
. This streamlines the block conversion process. - Dynamic Validator Set Support: The
Validators
RPC endpoint inpkg/rpc/core/consensus.go
has been updated to return all configured genesis validators, rather than a single hardcoded one. This is a foundational change for supporting dynamic or multi-validator sets. - Validator Hasher Integration: I've introduced a new
ValidatorHasher
function inpkg/adapter/store.go
and integrated it into the Rollkit node setup (server/start.go
). This provides the node with a mechanism to retrieve the current validator set hash from the store's state, supporting the refactored validator hash handling.
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Code Review
This pull request introduces multi-validator support and attestation features. However, there are critical compilation errors due to mismatched function signatures for cometcompat.ToABCIBlock
. Additionally, consider improving context handling and removing debug statements.
cometBlock, err := cometcompat.ToABCIBlock(&cometCompatBlock, data, lastCommit, valSet) | ||
require.NoError(t, err, "Failed to convert to CometBFT block for block %d", i+1) |
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@@ -256,7 +256,7 @@ func signBlock(t *testing.T, header types.Header, data *types.Data, privKey cryp | |||
Signature: types.Signature(make([]byte, 64)), | |||
} | |||
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abciBlock, err := cometcompat.ToABCIBlock(tempSignedHeader, data, tempCommit) | |||
abciBlock, err := cometcompat.ToABCIBlock(tempSignedHeader, data, tempCommit, nil) // todo (Alex): set correct valset |
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func ValidatorHasher(store *Store) func() (rollkittypes.Hash, error) { | ||
return func() (rollkittypes.Hash, error) { | ||
s, err := store.LoadState(context.Background()) |
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hash := s.Validators.Hash() | ||
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fmt.Printf("validator hash: %x\n", hash) |
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Overview