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core/vm: refactor to use bitutil.TestBytes (#32434)

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cui 2025-08-15 15:10:44 +08:00 committed by GitHub
parent a002a6c03f
commit ccf684f1ba
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2 changed files with 2 additions and 10 deletions
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9
core/vm/common.go
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@ -84,12 +84,3 @@ func toWordSize(size uint64) uint64 {
return (size + 31) / 32 return (size + 31) / 32
} }
func allZero(b []byte) bool {
for _, byte := range b {
if byte != 0 {
return false
}
}
return true
}

3
core/vm/contracts.go
View file

@ -30,6 +30,7 @@ import (
"github.com/consensys/gnark-crypto/ecc/bls12-381/fp" "github.com/consensys/gnark-crypto/ecc/bls12-381/fp"
"github.com/consensys/gnark-crypto/ecc/bls12-381/fr" "github.com/consensys/gnark-crypto/ecc/bls12-381/fr"
"github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/bitutil"
"github.com/ethereum/go-ethereum/core/tracing" "github.com/ethereum/go-ethereum/core/tracing"
"github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/crypto/blake2b" "github.com/ethereum/go-ethereum/crypto/blake2b"
@ -289,7 +290,7 @@ func (c *ecrecover) Run(input []byte) ([]byte, error) {
v := input[63] - 27 v := input[63] - 27
// tighter sig s values input homestead only apply to tx sigs // tighter sig s values input homestead only apply to tx sigs
if !allZero(input[32:63]) || !crypto.ValidateSignatureValues(v, r, s, false) { if bitutil.TestBytes(input[32:63]) || !crypto.ValidateSignatureValues(v, r, s, false) {
return nil, nil return nil, nil
} }
// We must make sure not to modify the 'input', so placing the 'v' along with // We must make sure not to modify the 'input', so placing the 'v' along with