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Merge branch 'jsonrpc' into qt5.4

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This commit is contained in:
obscuren 2015-01-28 10:29:29 +01:00
commit 4c5968097d
12 changed files with 965 additions and 353 deletions
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2
.gitignore vendored
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@ -15,3 +15,5 @@
.#*
*#
*~
.project
.settings

8
cmd/utils/cmd.go
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@ -40,6 +40,7 @@ import (
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/websocket"
"github.com/ethereum/go-ethereum/xeth"
)
@ -200,6 +201,13 @@ func StartRpc(ethereum *eth.Ethereum, RpcPort int) {
}
}
func StartWebSockets(eth *eth.Ethereum) {
clilogger.Infoln("Starting WebSockets")
sock := websocket.NewWebSocketServer(eth)
go sock.Serv()
}
var gminer *miner.Miner
func GetMiner() *miner.Miner {

218
rpc/args.go Normal file
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@ -0,0 +1,218 @@
package rpc
import (
"encoding/json"
)
type GetBlockArgs struct {
BlockNumber int32
Hash string
}
func (obj *GetBlockArgs) UnmarshalJSON(b []byte) (err error) {
argint, argstr := int32(0), ""
if err = json.Unmarshal(b, &argint); err == nil {
obj.BlockNumber = argint
return
}
if err = json.Unmarshal(b, &argstr); err == nil {
obj.Hash = argstr
return
}
return NewErrorResponse(ErrorDecodeArgs)
}
func (obj *GetBlockArgs) requirements() error {
if obj.BlockNumber == 0 && obj.Hash == "" {
return NewErrorResponse("GetBlock requires either a block 'number' or a block 'hash' as argument")
}
return nil
}
type NewTxArgs struct {
Sec string `json:"sec"`
Recipient string `json:"recipient"`
Value string `json:"value"`
Gas string `json:"gas"`
GasPrice string `json:"gasprice"`
Init string `json:"init"`
Body string `json:"body"`
}
// type TxResponse struct {
// Hash string
// }
func (obj *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
if err = json.Unmarshal(b, obj); err == nil {
return
}
return NewErrorResponse(ErrorDecodeArgs)
}
func (a *NewTxArgs) requirements() error {
if a.Recipient == "" {
return NewErrorResponse("Transact requires a 'recipient' address as argument")
}
if a.Value == "" {
return NewErrorResponse("Transact requires a 'value' as argument")
}
if a.Gas == "" {
return NewErrorResponse("Transact requires a 'gas' value as argument")
}
if a.GasPrice == "" {
return NewErrorResponse("Transact requires a 'gasprice' value as argument")
}
return nil
}
func (a *NewTxArgs) requirementsContract() error {
if a.Value == "" {
return NewErrorResponse("Create requires a 'value' as argument")
}
if a.Gas == "" {
return NewErrorResponse("Create requires a 'gas' value as argument")
}
if a.GasPrice == "" {
return NewErrorResponse("Create requires a 'gasprice' value as argument")
}
if a.Body == "" {
return NewErrorResponse("Create requires a 'body' value as argument")
}
return nil
}
type PushTxArgs struct {
Tx string `json:"tx"`
}
func (obj *PushTxArgs) UnmarshalJSON(b []byte) (err error) {
arg0 := ""
if err = json.Unmarshal(b, arg0); err == nil {
obj.Tx = arg0
return
}
return NewErrorResponse(ErrorDecodeArgs)
}
func (a *PushTxArgs) requirementsPushTx() error {
if a.Tx == "" {
return NewErrorResponse("PushTx requires a 'tx' as argument")
}
return nil
}
type GetStorageArgs struct {
Address string
Key string
}
func (obj *GetStorageArgs) UnmarshalJSON(b []byte) (err error) {
arg0 := ""
if err = json.Unmarshal(b, arg0); err == nil {
obj.Address = arg0
return
}
return NewErrorResponse(ErrorDecodeArgs)
}
func (a *GetStorageArgs) requirements() error {
if a.Address == "" {
return NewErrorResponse("GetStorageAt requires an 'address' value as argument")
}
if a.Key == "" {
return NewErrorResponse("GetStorageAt requires an 'key' value as argument")
}
return nil
}
type GetStorageAtRes struct {
Key string `json:"key"`
Value string `json:"value"`
Address string `json:"address"`
}
type GetTxCountArgs struct {
Address string `json:"address"`
}
// type GetTxCountRes struct {
// Nonce int `json:"nonce"`
// }
func (obj *GetTxCountArgs) UnmarshalJSON(b []byte) (err error) {
arg0 := ""
if err = json.Unmarshal(b, arg0); err == nil {
obj.Address = arg0
return
}
return NewErrorResponse("Could not determine JSON parameters")
}
func (a *GetTxCountArgs) requirements() error {
if a.Address == "" {
return NewErrorResponse("GetTxCountAt requires an 'address' value as argument")
}
return nil
}
// type GetPeerCountRes struct {
// PeerCount int `json:"peerCount"`
// }
// type GetListeningRes struct {
// IsListening bool `json:"isListening"`
// }
// type GetCoinbaseRes struct {
// Coinbase string `json:"coinbase"`
// }
// type GetMiningRes struct {
// IsMining bool `json:"isMining"`
// }
type GetBalanceArgs struct {
Address string
}
func (obj *GetBalanceArgs) UnmarshalJSON(b []byte) (err error) {
arg0 := ""
if err = json.Unmarshal(b, &arg0); err == nil {
obj.Address = arg0
return
}
return NewErrorResponse("Could not determine JSON parameters")
}
func (a *GetBalanceArgs) requirements() error {
if a.Address == "" {
return NewErrorResponse("GetBalanceAt requires an 'address' value as argument")
}
return nil
}
type BalanceRes struct {
Balance string `json:"balance"`
Address string `json:"address"`
}
type GetCodeAtArgs struct {
Address string
}
func (obj *GetCodeAtArgs) UnmarshalJSON(b []byte) (err error) {
arg0 := ""
if err = json.Unmarshal(b, &arg0); err == nil {
obj.Address = arg0
return
}
return NewErrorResponse(ErrorDecodeArgs)
}
func (a *GetCodeAtArgs) requirements() error {
if a.Address == "" {
return NewErrorResponse("GetCodeAt requires an 'address' value as argument")
}
return nil
}

37
rpc/json.go
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@ -1,8 +1,25 @@
/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
package rpc
import (
"encoding/json"
"io"
"net/http"
)
type jsonWrapper struct{}
@ -11,10 +28,30 @@ func (self jsonWrapper) Send(writer io.Writer, v interface{}) (n int, err error)
var payload []byte
payload, err = json.Marshal(v)
if err != nil {
jsonlogger.Fatalln("Error marshalling JSON", err)
return 0, err
}
jsonlogger.Infof("Sending payload: %s", payload)
return writer.Write(payload)
}
func (self jsonWrapper) ParseRequestBody(req *http.Request) (RpcRequest, error) {
var reqParsed RpcRequest
// Convert JSON to native types
d := json.NewDecoder(req.Body)
// d.UseNumber()
defer req.Body.Close()
err := d.Decode(&reqParsed)
if err != nil {
jsonlogger.Errorln("Error decoding JSON: ", err)
return reqParsed, err
}
jsonlogger.DebugDetailf("Parsed request: %s", reqParsed)
return reqParsed, nil
}
var JSON jsonWrapper

169
rpc/message.go
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@ -1,14 +1,167 @@
/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
package rpc
import "github.com/ethereum/go-ethereum/ethutil"
import (
"bytes"
"encoding/json"
"errors"
)
type Message struct {
Call string `json:"call"`
Args []interface{} `json:"args"`
Id int `json:"_id"`
Data interface{} `json:"data"`
const (
ErrorArguments = "Error: Insufficient arguments"
ErrorNotImplemented = "Error: Method not implemented"
ErrorUnknown = "Error: Unknown error"
ErrorParseRequest = "Error: Could not parse request"
ErrorDecodeArgs = "Error: Could not decode arguments"
)
type ErrorResponse struct {
Error bool `json:"error"`
ErrorText string `json:"errorText"`
}
func (self *Message) Arguments() *ethutil.Value {
return ethutil.NewValue(self.Args)
type RpcSuccessResponse struct {
ID int `json:"id"`
JsonRpc string `json:"jsonrpc"`
Error bool `json:"error"`
Result interface{} `json:"result"`
}
type RpcErrorResponse struct {
ID int `json:"id"`
JsonRpc string `json:"jsonrpc"`
Error bool `json:"error"`
ErrorText string `json:"errortext"`
}
type RpcRequest struct {
JsonRpc string `json:"jsonrpc"`
ID int `json:"id"`
Method string `json:"method"`
Params []json.RawMessage `json:"params"`
}
func (req *RpcRequest) ToGetBlockArgs() (*GetBlockArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetBlockArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
jsonlogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToNewTxArgs() (*NewTxArgs, error) {
if len(req.Params) < 7 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(NewTxArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
jsonlogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToPushTxArgs() (*PushTxArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(PushTxArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
jsonlogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToGetStorageArgs() (*GetStorageArgs, error) {
if len(req.Params) < 2 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetStorageArgs)
// TODO need to pass both arguments
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
jsonlogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToGetTxCountArgs() (*GetTxCountArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetTxCountArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
jsonlogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToGetBalanceArgs() (*GetBalanceArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetBalanceArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
jsonlogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToGetCodeAtArgs() (*GetCodeAtArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetCodeAtArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
jsonlogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func NewErrorResponse(msg string) error {
return errors.New(msg)
}

319
rpc/packages.go
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@ -1,8 +1,31 @@
/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/*
For each request type, define the following:
1. RpcRequest "To" method [message.go], which does basic validation and conversion to "Args" type via json.Decoder()
2. json.Decoder() calls "UnmarshalJSON" defined on each "Args" struct
3. EthereumApi method, taking the "Args" type and replying with an interface to be marshalled to JSON
*/
package rpc
import (
"encoding/json"
"errors"
"math/big"
"strings"
@ -14,185 +37,57 @@ type EthereumApi struct {
pipe *xeth.JSXEth
}
type JsonArgs interface {
requirements() error
}
type BlockResponse struct {
JsonResponse
}
type GetBlockArgs struct {
BlockNumber int
Hash string
}
type ErrorResponse struct {
Error bool `json:"error"`
ErrorText string `json:"errorText"`
}
type JsonResponse interface {
}
type SuccessRes struct {
Error bool `json:"error"`
Result JsonResponse `json:"result"`
}
func NewSuccessRes(object JsonResponse) string {
e := SuccessRes{Error: false, Result: object}
res, err := json.Marshal(e)
if err != nil {
// This should never happen
panic("Creating json error response failed, help")
}
success := string(res)
return success
}
func NewErrorResponse(msg string) error {
e := ErrorResponse{Error: true, ErrorText: msg}
res, err := json.Marshal(e)
if err != nil {
// This should never happen
panic("Creating json error response failed, help")
}
newErr := errors.New(string(res))
return newErr
}
func (b *GetBlockArgs) requirements() error {
if b.BlockNumber == 0 && b.Hash == "" {
return NewErrorResponse("GetBlock requires either a block 'number' or a block 'hash' as argument")
}
return nil
}
func (p *EthereumApi) GetBlock(args *GetBlockArgs, reply *string) error {
func (p *EthereumApi) GetBlock(args *GetBlockArgs, reply *interface{}) error {
err := args.requirements()
if err != nil {
return err
}
block := p.pipe.BlockByHash(args.Hash)
*reply = NewSuccessRes(block)
return nil
}
type NewTxArgs struct {
Sec string
Recipient string
Value string
Gas string
GasPrice string
Init string
Body string
}
type TxResponse struct {
Hash string
}
func (a *NewTxArgs) requirements() error {
if a.Recipient == "" {
return NewErrorResponse("Transact requires a 'recipient' address as argument")
}
if a.Value == "" {
return NewErrorResponse("Transact requires a 'value' as argument")
}
if a.Gas == "" {
return NewErrorResponse("Transact requires a 'gas' value as argument")
}
if a.GasPrice == "" {
return NewErrorResponse("Transact requires a 'gasprice' value as argument")
if args.BlockNumber > 0 {
*reply = p.pipe.BlockByNumber(args.BlockNumber)
} else {
*reply = p.pipe.BlockByHash(args.Hash)
}
return nil
}
func (a *NewTxArgs) requirementsContract() error {
if a.Value == "" {
return NewErrorResponse("Create requires a 'value' as argument")
}
if a.Gas == "" {
return NewErrorResponse("Create requires a 'gas' value as argument")
}
if a.GasPrice == "" {
return NewErrorResponse("Create requires a 'gasprice' value as argument")
}
if a.Body == "" {
return NewErrorResponse("Create requires a 'body' value as argument")
}
return nil
}
func (p *EthereumApi) Transact(args *NewTxArgs, reply *string) error {
func (p *EthereumApi) Transact(args *NewTxArgs, reply *interface{}) error {
err := args.requirements()
if err != nil {
return err
}
result, _ := p.pipe.Transact(p.pipe.Key().PrivateKey, args.Recipient, args.Value, args.Gas, args.GasPrice, args.Body)
*reply = NewSuccessRes(result)
*reply = result
return nil
}
func (p *EthereumApi) Create(args *NewTxArgs, reply *string) error {
func (p *EthereumApi) Create(args *NewTxArgs, reply *interface{}) error {
err := args.requirementsContract()
if err != nil {
return err
}
result, _ := p.pipe.Transact(p.pipe.Key().PrivateKey, "", args.Value, args.Gas, args.GasPrice, args.Body)
*reply = NewSuccessRes(result)
*reply = result
return nil
}
type PushTxArgs struct {
Tx string
}
func (a *PushTxArgs) requirementsPushTx() error {
if a.Tx == "" {
return NewErrorResponse("PushTx requires a 'tx' as argument")
}
return nil
}
func (p *EthereumApi) PushTx(args *PushTxArgs, reply *string) error {
func (p *EthereumApi) PushTx(args *PushTxArgs, reply *interface{}) error {
err := args.requirementsPushTx()
if err != nil {
return err
}
result, _ := p.pipe.PushTx(args.Tx)
*reply = NewSuccessRes(result)
*reply = result
return nil
}
func (p *EthereumApi) GetKey(args interface{}, reply *string) error {
*reply = NewSuccessRes(p.pipe.Key())
func (p *EthereumApi) GetKey(args interface{}, reply *interface{}) error {
*reply = p.pipe.Key()
return nil
}
type GetStorageArgs struct {
Address string
Key string
}
func (a *GetStorageArgs) requirements() error {
if a.Address == "" {
return NewErrorResponse("GetStorageAt requires an 'address' value as argument")
}
if a.Key == "" {
return NewErrorResponse("GetStorageAt requires an 'key' value as argument")
}
return nil
}
type GetStorageAtRes struct {
Key string `json:"key"`
Value string `json:"value"`
Address string `json:"address"`
}
func (p *EthereumApi) GetStorageAt(args *GetStorageArgs, reply *string) error {
func (p *EthereumApi) GetStorageAt(args *GetStorageArgs, reply *interface{}) error {
err := args.requirements()
if err != nil {
return err
@ -210,102 +105,104 @@ func (p *EthereumApi) GetStorageAt(args *GetStorageArgs, reply *string) error {
}
jsonlogger.Debugf("GetStorageAt(%s, %s)\n", args.Address, hx)
value := state.Storage(ethutil.Hex2Bytes(hx))
*reply = NewSuccessRes(GetStorageAtRes{Address: args.Address, Key: args.Key, Value: value.Str()})
*reply = GetStorageAtRes{Address: args.Address, Key: args.Key, Value: value.Str()}
return nil
}
type GetTxCountArgs struct {
Address string `json:"address"`
}
type GetTxCountRes struct {
Nonce int `json:"nonce"`
}
func (a *GetTxCountArgs) requirements() error {
if a.Address == "" {
return NewErrorResponse("GetTxCountAt requires an 'address' value as argument")
}
func (p *EthereumApi) GetPeerCount(reply *interface{}) error {
*reply = p.pipe.PeerCount()
return nil
}
type GetPeerCountRes struct {
PeerCount int `json:"peerCount"`
}
func (p *EthereumApi) GetPeerCount(args *interface{}, reply *string) error {
*reply = NewSuccessRes(GetPeerCountRes{PeerCount: p.pipe.PeerCount()})
func (p *EthereumApi) GetIsListening(reply *interface{}) error {
*reply = p.pipe.IsListening()
return nil
}
type GetListeningRes struct {
IsListening bool `json:"isListening"`
}
func (p *EthereumApi) GetIsListening(args *interface{}, reply *string) error {
*reply = NewSuccessRes(GetListeningRes{IsListening: p.pipe.IsListening()})
func (p *EthereumApi) GetCoinbase(reply *interface{}) error {
*reply = p.pipe.CoinBase()
return nil
}
type GetCoinbaseRes struct {
Coinbase string `json:"coinbase"`
}
func (p *EthereumApi) GetCoinbase(args *interface{}, reply *string) error {
*reply = NewSuccessRes(GetCoinbaseRes{Coinbase: p.pipe.CoinBase()})
func (p *EthereumApi) GetIsMining(reply *interface{}) error {
*reply = p.pipe.IsMining()
return nil
}
type GetMiningRes struct {
IsMining bool `json:"isMining"`
}
func (p *EthereumApi) GetIsMining(args *interface{}, reply *string) error {
*reply = NewSuccessRes(GetMiningRes{IsMining: p.pipe.IsMining()})
return nil
}
func (p *EthereumApi) GetTxCountAt(args *GetTxCountArgs, reply *string) error {
func (p *EthereumApi) GetTxCountAt(args *GetTxCountArgs, reply *interface{}) error {
err := args.requirements()
if err != nil {
return err
}
state := p.pipe.TxCountAt(args.Address)
*reply = NewSuccessRes(GetTxCountRes{Nonce: state})
*reply = p.pipe.TxCountAt(args.Address)
return nil
}
type GetBalanceArgs struct {
Address string
}
func (a *GetBalanceArgs) requirements() error {
if a.Address == "" {
return NewErrorResponse("GetBalanceAt requires an 'address' value as argument")
}
return nil
}
type BalanceRes struct {
Balance string `json:"balance"`
Address string `json:"address"`
}
func (p *EthereumApi) GetBalanceAt(args *GetBalanceArgs, reply *string) error {
func (p *EthereumApi) GetBalanceAt(args *GetBalanceArgs, reply *interface{}) error {
err := args.requirements()
if err != nil {
return err
}
state := p.pipe.World().SafeGet(ethutil.Hex2Bytes(args.Address))
*reply = NewSuccessRes(BalanceRes{Balance: state.Balance().String(), Address: args.Address})
*reply = BalanceRes{Balance: state.Balance().String(), Address: args.Address}
return nil
}
type TestRes struct {
JsonResponse `json:"-"`
Answer int `json:"answer"`
}
func (p *EthereumApi) Test(args *GetBlockArgs, reply *string) error {
*reply = NewSuccessRes(TestRes{Answer: 15})
func (p *EthereumApi) GetCodeAt(args *GetCodeAtArgs, reply *interface{}) error {
err := args.requirements()
if err != nil {
return err
}
*reply = p.pipe.CodeAt(args.Address)
return nil
}
func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error {
// Spec at https://github.com/ethereum/wiki/wiki/Generic-JSON-RPC
jsonlogger.DebugDetailf("%T %s", req.Params, req.Params)
switch req.Method {
case "eth_coinbase":
return p.GetCoinbase(reply)
case "eth_listening":
return p.GetIsListening(reply)
case "eth_mining":
return p.GetIsMining(reply)
case "eth_peerCount":
return p.GetPeerCount(reply)
case "eth_countAt":
args, err := req.ToGetTxCountArgs()
if err != nil {
return err
}
return p.GetTxCountAt(args, reply)
case "eth_codeAt":
args, err := req.ToGetCodeAtArgs()
if err != nil {
return err
}
return p.GetCodeAt(args, reply)
case "eth_balanceAt":
args, err := req.ToGetBalanceArgs()
if err != nil {
return err
}
return p.GetBalanceAt(args, reply)
case "eth_stateAt":
args, err := req.ToGetStorageArgs()
if err != nil {
return err
}
return p.GetStorageAt(args, reply)
case "eth_blockByNumber", "eth_blockByHash":
args, err := req.ToGetBlockArgs()
if err != nil {
return err
}
return p.GetBlock(args, reply)
default:
return NewErrorResponse(ErrorNotImplemented)
}
jsonlogger.DebugDetailf("Reply: %T %s", reply, reply)
return nil
}

59
rpc/server.go
View File

@ -1,10 +1,25 @@
/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
package rpc
import (
"fmt"
"net"
"net/rpc"
"net/rpc/jsonrpc"
"net/http"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/xeth"
@ -38,17 +53,14 @@ func (s *JsonRpcServer) Stop() {
func (s *JsonRpcServer) Start() {
jsonlogger.Infoln("Starting JSON-RPC server")
go s.exitHandler()
rpc.Register(&EthereumApi{pipe: s.pipe})
rpc.HandleHTTP()
for {
conn, err := s.listener.Accept()
h := apiHandler(&EthereumApi{pipe: s.pipe})
http.Handle("/", h)
err := http.Serve(s.listener, nil)
// FIX Complains on shutdown due to listner already being closed
if err != nil {
jsonlogger.Infoln("Error starting JSON-RPC:", err)
break
}
jsonlogger.Debugln("Incoming request.")
go jsonrpc.ServeConn(conn)
jsonlogger.Errorln("Error on JSON-RPC interface:", err)
}
}
@ -65,3 +77,28 @@ func NewJsonRpcServer(pipe *xeth.JSXEth, port int) (*JsonRpcServer, error) {
pipe: pipe,
}, nil
}
func apiHandler(xeth *EthereumApi) http.Handler {
fn := func(w http.ResponseWriter, req *http.Request) {
jsonlogger.Debugln("Handling request")
reqParsed, reqerr := JSON.ParseRequestBody(req)
if reqerr != nil {
JSON.Send(w, &RpcErrorResponse{JsonRpc: reqParsed.JsonRpc, ID: reqParsed.ID, Error: true, ErrorText: ErrorParseRequest})
return
}
var response interface{}
reserr := xeth.GetRequestReply(&reqParsed, &response)
if reserr != nil {
jsonlogger.Errorln(reserr)
JSON.Send(w, &RpcErrorResponse{JsonRpc: reqParsed.JsonRpc, ID: reqParsed.ID, Error: true, ErrorText: reserr.Error()})
return
}
jsonlogger.Debugf("Generated response: %T %s", response, response)
JSON.Send(w, &RpcSuccessResponse{JsonRpc: reqParsed.JsonRpc, ID: reqParsed.ID, Error: false, Result: response})
}
return http.HandlerFunc(fn)
}

75
rpc/writer.go
View File

@ -1,75 +0,0 @@
package rpc
/*
func pack(id int, v ...interface{}) Message {
return Message{Data: v, Id: id}
}
func WriteOn(msg *Message, writer io.Writer) {
//msg := &Message{Seed: seed, Data: data}
switch msg.Call {
case "compile":
data := ethutil.NewValue(msg.Args)
bcode, err := ethutil.Compile(data.Get(0).Str(), false)
if err != nil {
JSON.Send(writer, pack(msg.Id, err.Error()))
}
code := ethutil.Bytes2Hex(bcode)
JSON.Send(writer, pack(msg.Id, code, nil))
case "block":
args := msg.Arguments()
block := pipe.BlockByNumber(int32(args.Get(0).Uint()))
JSON.Send(writer, pack(msg.Id, block))
case "transact":
if mp, ok := msg.Args[0].(map[string]interface{}); ok {
object := mapToTxParams(mp)
JSON.Send(
writer,
pack(msg.Id, args(pipe.Transact(object["from"], object["to"], object["value"], object["gas"], object["gasPrice"], object["data"]))),
)
}
case "coinbase":
JSON.Send(writer, pack(msg.Id, pipe.CoinBase(), msg.Seed))
case "listening":
JSON.Send(writer, pack(msg.Id, pipe.IsListening()))
case "mining":
JSON.Send(writer, pack(msg.Id, pipe.IsMining()))
case "peerCoint":
JSON.Send(writer, pack(msg.Id, pipe.PeerCount()))
case "countAt":
args := msg.Arguments()
JSON.Send(writer, pack(msg.Id, pipe.TxCountAt(args.Get(0).Str())))
case "codeAt":
args := msg.Arguments()
JSON.Send(writer, pack(msg.Id, len(pipe.CodeAt(args.Get(0).Str()))))
case "stateAt":
args := msg.Arguments()
JSON.Send(writer, pack(msg.Id, pipe.StorageAt(args.Get(0).Str(), args.Get(1).Str())))
case "balanceAt":
args := msg.Arguments()
JSON.Send(writer, pack(msg.Id, pipe.BalanceAt(args.Get(0).Str())))
case "newFilter":
case "newFilterString":
case "messages":
// TODO
}
}
*/

18
tests/vm/gh_test.go
View File

@ -172,47 +172,47 @@ func RunVmTest(p string, t *testing.T) {
// I've created a new function for each tests so it's easier to identify where the problem lies if any of them fail.
func TestVMArithmetic(t *testing.T) {
const fn = "../files/vmtests/vmArithmeticTest.json"
const fn = "../files/VMTests/vmArithmeticTest.json"
RunVmTest(fn, t)
}
func TestBitwiseLogicOperation(t *testing.T) {
const fn = "../files/vmtests/vmBitwiseLogicOperationTest.json"
const fn = "../files/VMTests/vmBitwiseLogicOperationTest.json"
RunVmTest(fn, t)
}
func TestBlockInfo(t *testing.T) {
const fn = "../files/vmtests/vmBlockInfoTest.json"
const fn = "../files/VMTests/vmBlockInfoTest.json"
RunVmTest(fn, t)
}
func TestEnvironmentalInfo(t *testing.T) {
const fn = "../files/vmtests/vmEnvironmentalInfoTest.json"
const fn = "../files/VMTests/vmEnvironmentalInfoTest.json"
RunVmTest(fn, t)
}
func TestFlowOperation(t *testing.T) {
const fn = "../files/vmtests/vmIOandFlowOperationsTest.json"
const fn = "../files/VMTests/vmIOandFlowOperationsTest.json"
RunVmTest(fn, t)
}
func TestPushDupSwap(t *testing.T) {
const fn = "../files/vmtests/vmPushDupSwapTest.json"
const fn = "../files/VMTests/vmPushDupSwapTest.json"
RunVmTest(fn, t)
}
func TestVMSha3(t *testing.T) {
const fn = "../files/vmtests/vmSha3Test.json"
const fn = "../files/VMTests/vmSha3Test.json"
RunVmTest(fn, t)
}
func TestVm(t *testing.T) {
const fn = "../files/vmtests/vmtests.json"
const fn = "../files/VMTests/vmtests.json"
RunVmTest(fn, t)
}
func TestVmLog(t *testing.T) {
const fn = "../files/vmtests/vmLogTest.json"
const fn = "../files/VMTests/vmLogTest.json"
RunVmTest(fn, t)
}

356
vm/vm_jit.go
View File

@ -1,31 +1,371 @@
// +build evmjit
package vm
import "math/big"
/*
void* evmjit_create();
int evmjit_run(void* _jit, void* _data, void* _env);
void evmjit_destroy(void* _jit);
// Shared library evmjit (e.g. libevmjit.so) is expected to be installed in /usr/local/lib
// More: https://github.com/ethereum/evmjit
#cgo LDFLAGS: -levmjit
*/
import "C"
import (
"bytes"
"errors"
"fmt"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/state"
"math/big"
"unsafe"
)
type JitVm struct {
env Environment
backup *Vm
me ContextRef
callerAddr []byte
price *big.Int
data RuntimeData
}
type i256 [32]byte
type RuntimeData struct {
gas int64
gasPrice int64
callData *byte
callDataSize uint64
address i256
caller i256
origin i256
callValue i256
coinBase i256
difficulty i256
gasLimit i256
number uint64
timestamp int64
code *byte
codeSize uint64
}
func hash2llvm(h []byte) i256 {
var m i256
copy(m[len(m)-len(h):], h) // right aligned copy
return m
}
func llvm2hash(m *i256) []byte {
return C.GoBytes(unsafe.Pointer(m), C.int(len(m)))
}
func llvm2hashRef(m *i256) []byte {
return (*[1 << 30]byte)(unsafe.Pointer(m))[:len(m):len(m)]
}
func address2llvm(addr []byte) i256 {
n := hash2llvm(addr)
bswap(&n)
return n
}
// bswap swap bytes of the 256-bit integer on LLVM side
// TODO: Do not change memory on LLVM side, that can conflict with memory access optimizations
func bswap(m *i256) *i256 {
for i, l := 0, len(m); i < l/2; i++ {
m[i], m[l-i-1] = m[l-i-1], m[i]
}
return m
}
func trim(m []byte) []byte {
skip := 0
for i := 0; i < len(m); i++ {
if m[i] == 0 {
skip++
} else {
break
}
}
return m[skip:]
}
func getDataPtr(m []byte) *byte {
var p *byte
if len(m) > 0 {
p = &m[0]
}
return p
}
func big2llvm(n *big.Int) i256 {
m := hash2llvm(n.Bytes())
bswap(&m)
return m
}
func llvm2big(m *i256) *big.Int {
n := big.NewInt(0)
for i := 0; i < len(m); i++ {
b := big.NewInt(int64(m[i]))
b.Lsh(b, uint(i)*8)
n.Add(n, b)
}
return n
}
// llvm2bytesRef creates a []byte slice that references byte buffer on LLVM side (as of that not controller by GC)
// User must asure that referenced memory is available to Go until the data is copied or not needed any more
func llvm2bytesRef(data *byte, length uint64) []byte {
if length == 0 {
return nil
}
if data == nil {
panic("Unexpected nil data pointer")
}
return (*[1 << 30]byte)(unsafe.Pointer(data))[:length:length]
}
func untested(condition bool, message string) {
if condition {
panic("Condition `" + message + "` tested. Remove assert.")
}
}
func assert(condition bool, message string) {
if !condition {
panic("Assert `" + message + "` failed!")
}
}
func NewJitVm(env Environment) *JitVm {
backupVm := New(env)
return &JitVm{env: env, backup: backupVm}
return &JitVm{env: env}
}
func (self *JitVm) Run(me, caller ContextRef, code []byte, value, gas, price *big.Int, callData []byte) (ret []byte, err error) {
return self.backup.Run(me, caller, code, value, gas, price, callData)
// TODO: depth is increased but never checked by VM. VM should not know about it at all.
self.env.SetDepth(self.env.Depth() + 1)
// TODO: Move it to Env.Call() or sth
if Precompiled[string(me.Address())] != nil {
// if it's address of precopiled contract
// fallback to standard VM
stdVm := New(self.env)
return stdVm.Run(me, caller, code, value, gas, price, callData)
}
if self.me != nil {
panic("JitVm.Run() can be called only once per JitVm instance")
}
self.me = me
self.callerAddr = caller.Address()
self.price = price
self.data.gas = gas.Int64()
self.data.gasPrice = price.Int64()
self.data.callData = getDataPtr(callData)
self.data.callDataSize = uint64(len(callData))
self.data.address = address2llvm(self.me.Address())
self.data.caller = address2llvm(caller.Address())
self.data.origin = address2llvm(self.env.Origin())
self.data.callValue = big2llvm(value)
self.data.coinBase = address2llvm(self.env.Coinbase())
self.data.difficulty = big2llvm(self.env.Difficulty())
self.data.gasLimit = big2llvm(self.env.GasLimit())
self.data.number = self.env.BlockNumber().Uint64()
self.data.timestamp = self.env.Time()
self.data.code = getDataPtr(code)
self.data.codeSize = uint64(len(code))
jit := C.evmjit_create()
retCode := C.evmjit_run(jit, unsafe.Pointer(&self.data), unsafe.Pointer(self))
if retCode < 0 {
err = errors.New("OOG from JIT")
gas.SetInt64(0) // Set gas to 0, JIT does not bother
} else {
gas.SetInt64(self.data.gas)
if retCode == 1 { // RETURN
ret = C.GoBytes(unsafe.Pointer(self.data.callData), C.int(self.data.callDataSize))
} else if retCode == 2 { // SUICIDE
// TODO: Suicide support logic should be moved to Env to be shared by VM implementations
state := self.Env().State()
receiverAddr := llvm2hashRef(bswap(&self.data.address))
receiver := state.GetOrNewStateObject(receiverAddr)
balance := state.GetBalance(me.Address())
receiver.AddAmount(balance)
state.Delete(me.Address())
}
}
C.evmjit_destroy(jit);
return
}
func (self *JitVm) Printf(format string, v ...interface{}) VirtualMachine {
return self.backup.Printf(format, v)
return self
}
func (self *JitVm) Endl() VirtualMachine {
return self.backup.Endl()
return self
}
func (self *JitVm) Env() Environment {
return self.env
}
//go is nice
//export env_sha3
func env_sha3(dataPtr *byte, length uint64, resultPtr unsafe.Pointer) {
data := llvm2bytesRef(dataPtr, length)
hash := crypto.Sha3(data)
result := (*i256)(resultPtr)
*result = hash2llvm(hash)
}
//export env_sstore
func env_sstore(vmPtr unsafe.Pointer, indexPtr unsafe.Pointer, valuePtr unsafe.Pointer) {
vm := (*JitVm)(vmPtr)
index := llvm2hash(bswap((*i256)(indexPtr)))
value := llvm2hash(bswap((*i256)(valuePtr)))
value = trim(value)
if len(value) == 0 {
prevValue := vm.env.State().GetState(vm.me.Address(), index)
if len(prevValue) != 0 {
vm.Env().State().Refund(vm.callerAddr, GasSStoreRefund)
}
}
vm.env.State().SetState(vm.me.Address(), index, value)
}
//export env_sload
func env_sload(vmPtr unsafe.Pointer, indexPtr unsafe.Pointer, resultPtr unsafe.Pointer) {
vm := (*JitVm)(vmPtr)
index := llvm2hash(bswap((*i256)(indexPtr)))
value := vm.env.State().GetState(vm.me.Address(), index)
result := (*i256)(resultPtr)
*result = hash2llvm(value)
bswap(result)
}
//export env_balance
func env_balance(_vm unsafe.Pointer, _addr unsafe.Pointer, _result unsafe.Pointer) {
vm := (*JitVm)(_vm)
addr := llvm2hash((*i256)(_addr))
balance := vm.Env().State().GetBalance(addr)
result := (*i256)(_result)
*result = big2llvm(balance)
}
//export env_blockhash
func env_blockhash(_vm unsafe.Pointer, _number unsafe.Pointer, _result unsafe.Pointer) {
vm := (*JitVm)(_vm)
number := llvm2big((*i256)(_number))
result := (*i256)(_result)
currNumber := vm.Env().BlockNumber()
limit := big.NewInt(0).Sub(currNumber, big.NewInt(256))
if number.Cmp(limit) >= 0 && number.Cmp(currNumber) < 0 {
hash := vm.Env().GetHash(uint64(number.Int64()))
*result = hash2llvm(hash)
} else {
*result = i256{}
}
}
//export env_call
func env_call(_vm unsafe.Pointer, _gas unsafe.Pointer, _receiveAddr unsafe.Pointer, _value unsafe.Pointer, inDataPtr unsafe.Pointer, inDataLen uint64, outDataPtr *byte, outDataLen uint64, _codeAddr unsafe.Pointer) bool {
vm := (*JitVm)(_vm)
//fmt.Printf("env_call (depth %d)\n", vm.Env().Depth())
defer func() {
if r := recover(); r != nil {
fmt.Printf("Recovered in env_call (depth %d, out %p %d): %s\n", vm.Env().Depth(), outDataPtr, outDataLen, r)
}
}()
balance := vm.Env().State().GetBalance(vm.me.Address())
value := llvm2big((*i256)(_value))
if balance.Cmp(value) >= 0 {
receiveAddr := llvm2hash((*i256)(_receiveAddr))
inData := C.GoBytes(inDataPtr, C.int(inDataLen))
outData := llvm2bytesRef(outDataPtr, outDataLen)
codeAddr := llvm2hash((*i256)(_codeAddr))
llvmGas := (*i256)(_gas)
gas := llvm2big(llvmGas)
var out []byte
var err error
if bytes.Equal(codeAddr, receiveAddr) {
out, err = vm.env.Call(vm.me, codeAddr, inData, gas, vm.price, value)
} else {
out, err = vm.env.CallCode(vm.me, codeAddr, inData, gas, vm.price, value)
}
*llvmGas = big2llvm(gas)
if err == nil {
copy(outData, out)
return true
}
}
return false
}
//export env_create
func env_create(_vm unsafe.Pointer, _gas unsafe.Pointer, _value unsafe.Pointer, initDataPtr unsafe.Pointer, initDataLen uint64, _result unsafe.Pointer) {
vm := (*JitVm)(_vm)
value := llvm2big((*i256)(_value))
initData := C.GoBytes(initDataPtr, C.int(initDataLen)) // TODO: Unnecessary if low balance
result := (*i256)(_result)
*result = i256{}
llvmGas := (*i256)(_gas)
gas := llvm2big(llvmGas)
ret, suberr, ref := vm.env.Create(vm.me, nil, initData, gas, vm.price, value)
if suberr == nil {
dataGas := big.NewInt(int64(len(ret))) // TODO: Nto the best design. env.Create can do it, it has the reference to gas counter
dataGas.Mul(dataGas, GasCreateByte)
gas.Sub(gas, dataGas)
*result = hash2llvm(ref.Address())
}
*llvmGas = big2llvm(gas)
}
//export env_log
func env_log(_vm unsafe.Pointer, dataPtr unsafe.Pointer, dataLen uint64, _topic1 unsafe.Pointer, _topic2 unsafe.Pointer, _topic3 unsafe.Pointer, _topic4 unsafe.Pointer) {
vm := (*JitVm)(_vm)
data := C.GoBytes(dataPtr, C.int(dataLen))
topics := make([][]byte, 0, 4)
if _topic1 != nil {
topics = append(topics, llvm2hash((*i256)(_topic1)))
}
if _topic2 != nil {
topics = append(topics, llvm2hash((*i256)(_topic2)))
}
if _topic3 != nil {
topics = append(topics, llvm2hash((*i256)(_topic3)))
}
if _topic4 != nil {
topics = append(topics, llvm2hash((*i256)(_topic4)))
}
vm.Env().AddLog(state.NewLog(vm.me.Address(), topics, data))
}
//export env_extcode
func env_extcode(_vm unsafe.Pointer, _addr unsafe.Pointer, o_size *uint64) *byte {
vm := (*JitVm)(_vm)
addr := llvm2hash((*i256)(_addr))
code := vm.Env().State().GetCode(addr)
*o_size = uint64(len(code))
return getDataPtr(code)
}

10
vm/vm_jit_fake.go Normal file
View File

@ -0,0 +1,10 @@
// +build !evmjit
package vm
import "fmt"
func NewJitVm(env Environment) VirtualMachine {
fmt.Printf("Warning! EVM JIT not enabled.\n")
return New(env)
}

21
cmd/utils/websockets.go → websocket/util.go
View File

@ -14,11 +14,7 @@
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @authors
* Jeffrey Wilcke <i@jev.io>
*/
package utils
package websocket
import (
"github.com/ethereum/go-ethereum/core"
@ -26,15 +22,11 @@ import (
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/event/filter"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/ui"
"github.com/ethereum/go-ethereum/websocket"
"github.com/ethereum/go-ethereum/xeth"
)
var wslogger = logger.NewLogger("WS")
func args(v ...interface{}) []interface{} {
return v
}
@ -54,8 +46,8 @@ func NewWebSocketServer(eth *eth.Ethereum) *WebSocketServer {
func (self *WebSocketServer) Serv() {
pipe := xeth.NewJSXEth(self.eth)
wsServ := websocket.NewServer("/eth", ":40404")
wsServ.MessageFunc(func(c *websocket.Client, msg *websocket.Message) {
wsServ := NewServer("/eth", ":40404")
wsServ.MessageFunc(func(c *Client, msg *Message) {
switch msg.Call {
case "compile":
data := ethutil.NewValue(msg.Args)
@ -162,13 +154,6 @@ func toMessages(messages state.Messages) (msgs []xeth.JSMessage) {
return
}
func StartWebSockets(eth *eth.Ethereum) {
wslogger.Infoln("Starting WebSockets")
sock := NewWebSocketServer(eth)
go sock.Serv()
}
// TODO This is starting to become a generic method. Move to utils
func mapToTxParams(object map[string]interface{}) map[string]string {
// Default values