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feat(protocol): allow resetting genesis hash on L1 before 1st block is proposed #17078

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merged 11 commits into from
May 10, 2024
Merged

feat(protocol): allow resetting genesis hash on L1 before 1st block is proposed #17078

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97a3476
regenesis
dantaik May 10, 2024
1fa099a
Merge branch 'main' into regenesis
dantaik May 10, 2024
33ad571
forge fmt & update contract layout table
dantaik May 10, 2024
3e3fa1b
Update LibVerifying.sol
dantaik May 10, 2024
ebfae53
Merge branch 'regenesis' of ssh://github.com/taikoxyz/taiko-mono into…
dantaik May 10, 2024
abd777f
Update LibVerifying.sol
dantaik May 10, 2024
6260ab5
Merge branch 'main' into regenesis
dantaik May 10, 2024
8560b6c
Update LibVerifying.sol
dantaik May 10, 2024
2de0683
Merge branch 'regenesis' of ssh://github.com/taikoxyz/taiko-mono into…
dantaik May 10, 2024
b9e669b
fix
dantaik May 10, 2024
db699e0
Update LibVerifying.sol
dantaik May 10, 2024
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4 changes: 4 additions & 0 deletions packages/protocol/contracts/L1/TaikoL1.sol
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Expand Up @@ -66,6 +66,10 @@ contract TaikoL1 is EssentialContract, ITaikoL1, TaikoEvents, TaikoErrors {
state.__reserve1 = 0;
}

function init3(bytes32 _genesisBlockHash) external onlyOwner reinitializer(3) {
LibVerifying.resetGenesisHash(state, _genesisBlockHash);
}

/// @inheritdoc ITaikoL1
function proposeBlock(
bytes calldata _params,
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20 changes: 20 additions & 0 deletions packages/protocol/contracts/L1/libs/LibVerifying.sol
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Expand Up @@ -83,6 +83,26 @@ library LibVerifying {
});
}

function resetGenesisHash(TaikoData.State storage _state, bytes32 _genesisBlockHash) internal {
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if (_genesisBlockHash == 0 || _state.slotB.numBlocks != 1) return;

// Init the first state transition
TaikoData.TransitionState storage ts = _state.transitions[0][1];

if (ts.blockHash == _genesisBlockHash) return;

ts.blockHash = _genesisBlockHash;
ts.timestamp = uint64(block.timestamp);

emit BlockVerified({
blockId: 0,
prover: address(0),
blockHash: _genesisBlockHash,
stateRoot: 0,
tier: 0
});
}

/// @dev Verifies up to N blocks.
function verifyBlocks(
TaikoData.State storage _state,
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