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core/vm: minor trivial clean up (#25880)

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This commit is contained in:
Daniel Liu 2024-09-25 17:53:44 +08:00 committed by Daniel Liu
parent 69cb57a0f4
commit 480adaf960
2 changed files with 5 additions and 14 deletions
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4
core/vm/instructions.go
View file

@ -22,8 +22,8 @@ import (
"github.com/XinFinOrg/XDPoSChain/common"
"github.com/XinFinOrg/XDPoSChain/core/types"
"github.com/XinFinOrg/XDPoSChain/params"
"github.com/XinFinOrg/XDPoSChain/crypto"
"github.com/holiman/uint256"
"golang.org/x/crypto/sha3"
)
func opAdd(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
@ -238,7 +238,7 @@ func opKeccak256(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) (
data := scope.Memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
if interpreter.hasher == nil {
interpreter.hasher = sha3.NewLegacyKeccak256().(keccakState)
interpreter.hasher = crypto.NewKeccakState()
} else {
interpreter.hasher.Reset()
}

15
core/vm/interpreter.go
View file

@ -17,10 +17,9 @@
package vm
import (
"hash"
"github.com/XinFinOrg/XDPoSChain/common"
"github.com/XinFinOrg/XDPoSChain/common/math"
"github.com/XinFinOrg/XDPoSChain/crypto"
"github.com/XinFinOrg/XDPoSChain/log"
)
@ -68,21 +67,13 @@ type ScopeContext struct {
Contract *Contract
}
// keccakState wraps sha3.state. In addition to the usual hash methods, it also supports
// Read to get a variable amount of data from the hash state. Read is faster than Sum
// because it doesn't copy the internal state, but also modifies the internal state.
type keccakState interface {
hash.Hash
Read([]byte) (int, error)
}
// EVMInterpreter represents an EVM interpreter
type EVMInterpreter struct {
evm *EVM
cfg Config
hasher keccakState // Keccak256 hasher instance shared across opcodes
hasherBuf common.Hash // Keccak256 hasher result array shared aross opcodes
hasher crypto.KeccakState // Keccak256 hasher instance shared across opcodes
hasherBuf common.Hash // Keccak256 hasher result array shared aross opcodes
readOnly bool // Whether to throw on stateful modifications
returnData []byte // Last CALL's return data for subsequent reuse