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evm: refactor state transition (#41)

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* evm: keeper statedb refactor

* keeper: implement stateDB account, balance, nonce and suicide functions

* keeper: implement stateDB code and iterator functions

* keeper: implement stateDB log and preimage functions

* update code to use CommitStateDB

* tests updates

* journal changes (wip)

* cache fields

* journal and logs

* minor cleanup

* evm: state transition refactor

* evm: unpack revert errors

* evm: update state transition (wip)

* evm: remove journal related changes

* evm: delete empty account code and storage state

* update gas limit

* evm: header hash to/from context

* evm: minor params and state transition changes

* ante: state transition changes

* ante: refactor default sig gas consumer

* ante: ignore gas costs from ops other than intrinsic gas

* ante: CanTransferDecorator

* evm: refund gas

* update comments

* state transition comments

* ante: CanTransfer and AccessList decorator tests

* evm: cleanup state transition

* ignore nonce increment during ante handler on contract creation

* fix ante tests

* more test fixes
This commit is contained in:
Federico Kunze
2021-06-02 04:52:53 -04:00
committed by GitHub
parent 3cf3854529
commit b77aab43bb
7 changed files with 612 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ethereum/rpc/eth_api.go
+13 -36
View File
@@ -3,7 +3,6 @@ package rpc
import (
"bytes"
"context"
"encoding/json"
"fmt"
"math/big"
"strings"
@@ -470,30 +469,16 @@ func (e *PublicEthAPI) Call(args rpctypes.CallArgs, blockNr rpctypes.BlockNumber
return []byte{}, err
}
if len(simRes.Result.Log) > 0 {
var logs []rpctypes.SDKTxLogs
if err := json.Unmarshal([]byte(simRes.Result.Log), &logs); err != nil {
e.logger.WithError(err).Errorln("failed to unmarshal simRes.Result.Log")
}
if len(logs) > 0 && logs[0].Log == rpctypes.LogRevertedFlag {
data, err := evmtypes.DecodeTxResponse(simRes.Result.Data)
if err != nil {
e.logger.WithError(err).Warningln("call result decoding failed")
return []byte{}, err
}
return []byte{}, rpctypes.ErrRevertedWith(data.Ret)
}
}
data, err := evmtypes.DecodeTxResponse(simRes.Result.Data)
if err != nil {
e.logger.WithError(err).Warningln("call result decoding failed")
return []byte{}, err
}
if data.Reverted {
return []byte{}, rpctypes.ErrRevertedWith(data.Ret)
}
return (hexutil.Bytes)(data.Ret), nil
}
@@ -620,25 +605,17 @@ func (e *PublicEthAPI) EstimateGas(args rpctypes.CallArgs) (hexutil.Uint64, erro
return 0, err
}
if len(simRes.Result.Log) > 0 {
var logs []rpctypes.SDKTxLogs
if err := json.Unmarshal([]byte(simRes.Result.Log), &logs); err != nil {
e.logger.WithError(err).Errorln("failed to unmarshal simRes.Result.Log")
return 0, err
}
if len(logs) > 0 && logs[0].Log == rpctypes.LogRevertedFlag {
data, err := evmtypes.DecodeTxResponse(simRes.Result.Data)
if err != nil {
e.logger.WithError(err).Warningln("call result decoding failed")
return 0, err
}
return 0, rpctypes.ErrRevertedWith(data.Ret)
}
data, err := evmtypes.DecodeTxResponse(simRes.Result.Data)
if err != nil {
e.logger.WithError(err).Warningln("call result decoding failed")
return 0, err
}
// TODO: change 1000 buffer for more accurate buffer (eg: SDK's gasAdjusted)
if data.Reverted {
return 0, rpctypes.ErrRevertedWith(data.Ret)
}
// TODO: Add Gas Info from state transition to MsgEthereumTxResponse fields and return that instead
estimatedGas := simRes.GasInfo.GasUsed
gas := estimatedGas + 200000