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core/vm: add push* functions

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This commit is contained in:
Marius van der Wijden 2024-11-05 15:08:43 +01:00
parent cf2eb01815
commit f237940141
2 changed files with 29 additions and 13 deletions
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24
core/vm/instructions.go
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@ -231,7 +231,7 @@ func opSAR(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte
}
func opKeccak256(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
offset, size := scope.Stack.pop(), scope.Stack.peek()
offset, size := scope.Stack.pop(), scope.Stack.pop()
data := scope.Memory.GetPtr(offset.Uint64(), size.Uint64())
if interpreter.hasher == nil {
@ -246,29 +246,29 @@ func opKeccak256(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) (
if evm.Config.EnablePreimageRecording {
evm.StateDB.AddPreimage(interpreter.hasherBuf, data)
}
size.SetBytes(interpreter.hasherBuf[:])
scope.Stack.pushBytes(interpreter.hasherBuf[:])
return nil, nil
}
func opAddress(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(scope.Contract.Address().Bytes()))
scope.Stack.pushBytes(scope.Contract.Address().Bytes())
return nil, nil
}
func opBalance(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
slot := scope.Stack.peek()
slot := scope.Stack.pop()
address := common.Address(slot.Bytes20())
slot.Set(interpreter.evm.StateDB.GetBalance(address))
scope.Stack.push(interpreter.evm.StateDB.GetBalance(address))
return nil, nil
}
func opOrigin(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(interpreter.evm.Origin.Bytes()))
scope.Stack.pushBytes(interpreter.evm.Origin.Bytes())
return nil, nil
}
func opCaller(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(scope.Contract.Caller().Bytes()))
scope.Stack.pushBytes(scope.Contract.Caller().Bytes())
return nil, nil
}
@ -289,7 +289,7 @@ func opCallDataLoad(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
}
func opCallDataSize(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(uint64(len(scope.Contract.Input))))
scope.Stack.pushU64(uint64(len(scope.Contract.Input)))
return nil, nil
}
@ -312,7 +312,7 @@ func opCallDataCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
}
func opReturnDataSize(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(uint64(len(interpreter.returnData))))
scope.Stack.pushU64(uint64(len(interpreter.returnData)))
return nil, nil
}
@ -339,13 +339,13 @@ func opReturnDataCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeConte
}
func opExtCodeSize(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
slot := scope.Stack.peek()
slot.SetUint64(uint64(interpreter.evm.StateDB.GetCodeSize(slot.Bytes20())))
slot := scope.Stack.pop()
scope.Stack.pushU64(uint64(interpreter.evm.StateDB.GetCodeSize(slot.Bytes20())))
return nil, nil
}
func opCodeSize(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(uint64(len(scope.Contract.Code))))
scope.Stack.pushU64(uint64(len(scope.Contract.Code)))
return nil, nil
}

18
core/vm/stack.go
View file

@ -56,11 +56,27 @@ func (st *Stack) push(d *uint256.Int) {
if st.size == len(st.data) {
st.data = append(st.data, *d)
} else {
st.data[st.size] = *d
st.data[st.size].Set(d)
}
st.size++
}
func (st *Stack) pushBytes(d []byte) {
if st.size == len(st.data) {
st.data = append(st.data, uint256.Int{})
}
st.data[st.size].SetBytes(d)
st.size++
}
func (st *Stack) pushU64(d uint64) {
if st.size == len(st.data) {
st.data = append(st.data, uint256.Int{})
}
st.data[st.size].SetUint64(d)
st.size++
}
func (st *Stack) pop() (ret uint256.Int) {
ret = st.data[st.size-1]
st.size--