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core/state: fix deep copy

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Aaron Chen 2024-04-15 22:54:50 +08:00 committed by GitHub
parent 67422e2a56
commit 81f265ed41
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1 changed files with 7 additions and 3 deletions
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10
core/state/statedb.go
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@ -19,7 +19,6 @@ package state
import (
"fmt"
"maps"
"math/big"
"slices"
"sort"
@ -751,7 +750,9 @@ func (s *StateDB) Copy() *StateDB {
state.stateObjectsDirty[addr] = struct{}{}
}
// Deep copy the destruction markers.
state.stateObjectsDestruct = maps.Clone(s.stateObjectsDestruct)
for addr, account := range s.stateObjectsDestruct {
state.stateObjectsDestruct[addr] = account.Copy()
}
// Deep copy the state changes made in the scope of block
// along with their original values.
@ -770,7 +771,10 @@ func (s *StateDB) Copy() *StateDB {
state.logs[hash] = cpy
}
// Deep copy the preimages occurred in the scope of block
state.preimages = maps.Clone(s.preimages)
for hash, preimage := range s.preimages {
state.preimages[hash] = common.CopyBytes(preimage)
}
// Do we need to copy the access list and transient storage?
// In practice: No. At the start of a transaction, these two lists are empty.
// In practice, we only ever copy state _between_ transactions/blocks, never