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PEVM-fix: check in ValidatePlainTxDAG #195

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merged 1 commit into from
Oct 11, 2024
Merged

PEVM-fix: check in ValidatePlainTxDAG #195

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16 changes: 9 additions & 7 deletions core/types/dag.go
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Original file line number Diff line number Diff line change
Expand Up @@ -160,21 +160,23 @@ func ValidatePlainTxDAG(d TxDAG, txCnt int) error {
return fmt.Errorf("PlainTxDAG contains wrong txs count, expect: %v, actual: %v", txCnt, d.TxCount())
}
for i := 0; i < txCnt; i++ {
dep := d.TxDep(i)
if dep == nil {
dp := d.TxDep(i)
if dp == nil {
return fmt.Errorf("PlainTxDAG contains nil txdep, tx: %v", i)
}
for j, tx := range dep.TxIndexes {
if dp.Flags != nil && *dp.Flags & ^TxDepFlagMask > 0 {
return fmt.Errorf("PlainTxDAG contains unknown flags, flags: %v", *dp.Flags)
}
dep := TxDependency(d, i)
for j, tx := range dep {
if tx >= uint64(i) || tx >= uint64(txCnt) {
return fmt.Errorf("PlainTxDAG contains the exceed range dependency, tx: %v", i)
}
if j > 0 && dep.TxIndexes[j] <= dep.TxIndexes[j-1] {
if j > 0 && dep[j] <= dep[j-1] {
return fmt.Errorf("PlainTxDAG contains unordered dependency, tx: %v", i)
}
}
if dep.Flags != nil && *dep.Flags & ^TxDepFlagMask > 0 {
return fmt.Errorf("PlainTxDAG contains unknown flags, flags: %v", *dep.Flags)
}

}
return nil
}
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