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core: adjust prevHeader nil check

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prevHeader is never nil.

Refs #3419

Signed-off-by: Ekaterina Pavlova <ekt@morphbits.io>
This commit is contained in:
Ekaterina Pavlova 2024-06-05 11:51:44 +03:00
parent cd525a1df5
commit 5c408f7fe4
1 changed files with 1 additions and 6 deletions
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7
pkg/core/blockchain.go
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@ -3017,12 +3017,7 @@ func (bc *Blockchain) verifyTxWitnesses(t *transaction.Transaction, block *block
// verifyHeaderWitnesses is a block-specific implementation of VerifyWitnesses logic. // verifyHeaderWitnesses is a block-specific implementation of VerifyWitnesses logic.
func (bc *Blockchain) verifyHeaderWitnesses(currHeader, prevHeader *block.Header) error { func (bc *Blockchain) verifyHeaderWitnesses(currHeader, prevHeader *block.Header) error {
var hash util.Uint160 hash := prevHeader.NextConsensus
if prevHeader == nil && currHeader.PrevHash.Equals(util.Uint256{}) {
hash = currHeader.Script.ScriptHash()
} else {
hash = prevHeader.NextConsensus
}
_, err := bc.VerifyWitness(hash, currHeader, &currHeader.Script, HeaderVerificationGasLimit) _, err := bc.VerifyWitness(hash, currHeader, &currHeader.Script, HeaderVerificationGasLimit)
return err return err
} }