2014-10-21 04:24:48 -07:00
|
|
|
package rpc
|
|
|
|
|
|
|
|
import (
|
|
|
|
"encoding/json"
|
|
|
|
"errors"
|
|
|
|
"math/big"
|
|
|
|
"strings"
|
|
|
|
|
2014-10-23 06:01:27 -07:00
|
|
|
"github.com/ethereum/go-ethereum/ethpipe"
|
|
|
|
"github.com/ethereum/go-ethereum/ethutil"
|
2014-10-21 04:24:48 -07:00
|
|
|
)
|
|
|
|
|
|
|
|
type EthereumApi struct {
|
|
|
|
pipe *ethpipe.JSPipe
|
|
|
|
}
|
|
|
|
|
|
|
|
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 {
|
|
|
|
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")
|
|
|
|
}
|
|
|
|
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 {
|
|
|
|
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)
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (p *EthereumApi) Create(args *NewTxArgs, reply *string) 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)
|
|
|
|
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 {
|
|
|
|
err := args.requirementsPushTx()
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
result, _ := p.pipe.PushTx(args.Tx)
|
|
|
|
*reply = NewSuccessRes(result)
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (p *EthereumApi) GetKey(args interface{}, reply *string) error {
|
|
|
|
*reply = NewSuccessRes(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 {
|
|
|
|
err := args.requirements()
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
state := p.pipe.World().SafeGet(ethutil.Hex2Bytes(args.Address))
|
|
|
|
|
|
|
|
var hx string
|
|
|
|
if strings.Index(args.Key, "0x") == 0 {
|
|
|
|
hx = string([]byte(args.Key)[2:])
|
|
|
|
} else {
|
|
|
|
// Convert the incoming string (which is a bigint) into hex
|
|
|
|
i, _ := new(big.Int).SetString(args.Key, 10)
|
|
|
|
hx = ethutil.Bytes2Hex(i.Bytes())
|
|
|
|
}
|
2014-10-31 04:56:05 -07:00
|
|
|
jsonlogger.Debugf("GetStorageAt(%s, %s)\n", args.Address, hx)
|
2014-10-21 04:24:48 -07:00
|
|
|
value := state.Storage(ethutil.Hex2Bytes(hx))
|
|
|
|
*reply = NewSuccessRes(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")
|
|
|
|
}
|
|
|
|
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()})
|
|
|
|
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()})
|
|
|
|
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()})
|
|
|
|
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 {
|
|
|
|
err := args.requirements()
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
state := p.pipe.TxCountAt(args.Address)
|
|
|
|
*reply = NewSuccessRes(GetTxCountRes{Nonce: state})
|
|
|
|
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 {
|
|
|
|
err := args.requirements()
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
state := p.pipe.World().SafeGet(ethutil.Hex2Bytes(args.Address))
|
2014-10-22 16:01:26 -07:00
|
|
|
*reply = NewSuccessRes(BalanceRes{Balance: state.Balance().String(), Address: args.Address})
|
2014-10-21 04:24:48 -07:00
|
|
|
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})
|
|
|
|
return nil
|
|
|
|
}
|