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rollup: add rollup/withdrawtrie package (#543)

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HAOYUatHZ 2023-10-24 16:06:16 +08:00 committed by GitHub
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rollup/withdrawtrie/withdraw_trie.go Normal file
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package withdrawtrie
import (
"github.com/scroll-tech/go-ethereum/common"
"github.com/scroll-tech/go-ethereum/rollup/rcfg"
)
// StateDB represents the StateDB interface
// required to get withdraw trie root
type StateDB interface {
GetState(common.Address, common.Hash) common.Hash
}
// ReadWTRSlot reads WithdrawTrieRoot slot in L2MessageQueue predeploy, i.e., `messageRoot`
// in contracts/src/libraries/common/AppendOnlyMerkleTree.sol
func ReadWTRSlot(addr common.Address, state StateDB) common.Hash {
return state.GetState(addr, rcfg.WithdrawTrieRootSlot)
}