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Use native SSTORE and SLOAD

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This commit is contained in:
Mason Fischer 2020-01-24 10:18:45 -05:00
parent d30dd58a7e
commit 681f566af3
1 changed files with 14 additions and 11 deletions
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25
core/vm/instructions.go
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@ -771,18 +771,21 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory
// Get the arguments from the memory.
args := memory.GetPtr(inOffset.Int64(), inSize.Int64())
methodId := args[0:4]
if bytes.Equal(toAddr.Bytes(), OvmContractAddress) && bytes.Equal(args[0:4], OvmSLOADMethodId) {
loc := common.BytesToHash(args[4:36])
val := interpreter.evm.StateDB.GetState(contract.Address(), loc)
memory.Set(retOffset.Uint64(), retSize.Uint64(), val.Bytes())
stack.push(interpreter.intPool.get().SetUint64(1))
return val.Bytes(), nil
} else if bytes.Equal(toAddr.Bytes(), OvmContractAddress) && bytes.Equal(args[0:4], OvmSSTOREMethodId) {
loc := common.BytesToHash(args[4:36])
val := common.BytesToHash(args[36:68])
interpreter.evm.StateDB.SetState(contract.Address(), loc, val)
interpreter.intPool.put(val.Big())
if bytes.Equal(toAddr.Bytes(), OvmContractAddress) && bytes.Equal(methodId, OvmSLOADMethodId) {
storageSlot := new(big.Int).SetBytes(args[4:36])
stack.push(storageSlot)
opSload(pc, interpreter, contract, memory, stack)
storageValue := stack.peek()
memory.Set(retOffset.Uint64(), retSize.Uint64(), storageValue.Bytes())
return storageValue.Bytes(), nil
} else if bytes.Equal(toAddr.Bytes(), OvmContractAddress) && bytes.Equal(methodId, OvmSSTOREMethodId) {
storageSlot := new(big.Int).SetBytes(args[4:36])
storageValue := new(big.Int).SetBytes(args[36:68])
stack.push(storageValue)
stack.push(storageSlot)
opSstore(pc, interpreter, contract, memory, stack)
stack.push(interpreter.intPool.get().SetUint64(1))
return nil, nil
} else {