cerc-io/plugeth
18
0
Fork 1
Code Issues 4 Pull Requests Packages Projects Releases Wiki Activity

core: using math.MaxUint64 instead of 0xffffffffffffffff (#29022)

Browse Source
This commit is contained in:
cui 2024-02-19 20:03:58 +08:00 committed by GitHub
parent 034bc4669f
commit 5d984796af
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
core/vm/instructions.go
View File

@ -17,6 +17,8 @@
package vm package vm
import ( import (
"math"
"github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/crypto"
@ -359,7 +361,7 @@ func opCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
) )
uint64CodeOffset, overflow := codeOffset.Uint64WithOverflow() uint64CodeOffset, overflow := codeOffset.Uint64WithOverflow()
if overflow { if overflow {
uint64CodeOffset = 0xffffffffffffffff uint64CodeOffset = math.MaxUint64
} }
codeCopy := getData(scope.Contract.Code, uint64CodeOffset, length.Uint64()) codeCopy := getData(scope.Contract.Code, uint64CodeOffset, length.Uint64())
scope.Memory.Set(memOffset.Uint64(), length.Uint64(), codeCopy) scope.Memory.Set(memOffset.Uint64(), length.Uint64(), codeCopy)
@ -377,7 +379,7 @@ func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
) )
uint64CodeOffset, overflow := codeOffset.Uint64WithOverflow() uint64CodeOffset, overflow := codeOffset.Uint64WithOverflow()
if overflow { if overflow {
uint64CodeOffset = 0xffffffffffffffff uint64CodeOffset = math.MaxUint64
} }
addr := common.Address(a.Bytes20()) addr := common.Address(a.Bytes20())
codeCopy := getData(interpreter.evm.StateDB.GetCode(addr), uint64CodeOffset, length.Uint64()) codeCopy := getData(interpreter.evm.StateDB.GetCode(addr), uint64CodeOffset, length.Uint64())