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Modify the copy function in CommitStateDB #720

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Jan 15, 2021
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Modify the copy function in CommitStateDB #720

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8 changes: 8 additions & 0 deletions x/evm/types/statedb.go
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Original file line number Diff line number Diff line change
Expand Up @@ -784,6 +784,14 @@ func CopyCommitStateDB(from, to *CommitStateDB) {
to.preimages = make([]preimageEntry, len(from.preimages))
to.hashToPreimageIndex = make(map[ethcmn.Hash]int, len(from.hashToPreimageIndex))
to.journal = newJournal()
to.thash = from.thash
to.bhash = from.bhash
to.txIndex = from.txIndex
validRevisions := make([]revision, len(from.validRevisions))
copy(validRevisions, from.validRevisions)
to.validRevisions = validRevisions
to.nextRevisionID = from.nextRevisionID
to.accessList = from.accessList.Copy()

// copy the dirty states, logs, and preimages
for _, dirty := range from.journal.dirties {
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