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core: treat state.Coin as a bitfield

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As it was intended to.
This commit is contained in:
Roman Khimov 2020-03-09 17:18:04 +03:00
parent 377fb382aa
commit e1f194ea7b
2 changed files with 2 additions and 2 deletions
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2
pkg/core/blockchain.go
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@ -501,7 +501,7 @@ func (bc *Blockchain) storeBlock(block *block.Block) error {
} }
oldSpentCoinLen := len(spentCoin.Items) oldSpentCoinLen := len(spentCoin.Items)
for _, input := range inputs { for _, input := range inputs {
unspent.States[input.PrevIndex] = state.CoinSpent unspent.States[input.PrevIndex] |= state.CoinSpent
prevTXOutput := prevTX.Outputs[input.PrevIndex] prevTXOutput := prevTX.Outputs[input.PrevIndex]
account, err := cache.GetAccountStateOrNew(prevTXOutput.ScriptHash) account, err := cache.GetAccountStateOrNew(prevTXOutput.ScriptHash)
if err != nil { if err != nil {

2
pkg/core/dao.go
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@ -590,7 +590,7 @@ func (dao *dao) IsDoubleSpend(tx *transaction.Transaction) bool {
return false return false
} }
for _, input := range inputs { for _, input := range inputs {
if int(input.PrevIndex) >= len(unspent.States) || unspent.States[input.PrevIndex] == state.CoinSpent { if int(input.PrevIndex) >= len(unspent.States) || (unspent.States[input.PrevIndex]&state.CoinSpent) != 0 {
return true return true
} }
} }