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20 lines
596 B
Go
20 lines
596 B
Go
package utils
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import (
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"math/big"
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"github.com/scroll-tech/go-ethereum/common"
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"github.com/scroll-tech/go-ethereum/crypto"
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)
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// ComputeBatchID compute a unique hash for a batch using "endBlockHash" & "endBlockHash in last batch"
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// & "batch height", following the logic in `_computeBatchId` in contracts/src/L1/rollup/ZKRollup.sol
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func ComputeBatchID(endBlockHash common.Hash, lastEndBlockHash common.Hash, index *big.Int) string {
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indexBytes := make([]byte, 32)
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return crypto.Keccak256Hash(
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endBlockHash.Bytes(),
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lastEndBlockHash.Bytes(),
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index.FillBytes(indexBytes),
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).String()
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}
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