601 lines
16 KiB
Go
601 lines
16 KiB
Go
package rpc
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import (
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"bytes"
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"encoding/json"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/xeth"
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)
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type EthereumApi struct {
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eth *xeth.XEth
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}
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func NewEthereumApi(xeth *xeth.XEth) *EthereumApi {
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api := &EthereumApi{
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eth: xeth,
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}
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return api
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}
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func (api *EthereumApi) xeth() *xeth.XEth {
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return api.eth
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}
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func (api *EthereumApi) xethAtStateNum(num int64) *xeth.XEth {
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return api.xeth().AtStateNum(num)
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}
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func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error {
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// Spec at https://github.com/ethereum/wiki/wiki/JSON-RPC
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glog.V(logger.Debug).Infof("%s %s", req.Method, req.Params)
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switch req.Method {
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case "web3_sha3":
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args := new(Sha3Args)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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*reply = common.ToHex(crypto.Sha3(common.FromHex(args.Data)))
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case "web3_clientVersion":
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*reply = api.xeth().ClientVersion()
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case "net_version":
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*reply = api.xeth().NetworkVersion()
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case "net_listening":
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*reply = api.xeth().IsListening()
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case "net_peerCount":
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*reply = newHexNum(api.xeth().PeerCount())
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case "eth_protocolVersion":
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*reply = api.xeth().EthVersion()
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case "eth_coinbase":
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*reply = newHexData(api.xeth().Coinbase())
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case "eth_mining":
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*reply = api.xeth().IsMining()
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case "eth_gasPrice":
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v := xeth.DefaultGasPrice()
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*reply = newHexNum(v.Bytes())
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case "eth_accounts":
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*reply = api.xeth().Accounts()
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case "eth_blockNumber":
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v := api.xeth().CurrentBlock().Number()
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*reply = newHexNum(v.Bytes())
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case "eth_getBalance":
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args := new(GetBalanceArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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*reply = api.xethAtStateNum(args.BlockNumber).BalanceAt(args.Address)
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//v := api.xethAtStateNum(args.BlockNumber).State().SafeGet(args.Address).Balance()
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//*reply = common.ToHex(v.Bytes())
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case "eth_getStorage", "eth_storageAt":
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args := new(GetStorageArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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*reply = api.xethAtStateNum(args.BlockNumber).State().SafeGet(args.Address).Storage()
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case "eth_getStorageAt":
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args := new(GetStorageAtArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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*reply = api.xethAtStateNum(args.BlockNumber).StorageAt(args.Address, args.Key)
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case "eth_getTransactionCount":
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args := new(GetTxCountArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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count := api.xethAtStateNum(args.BlockNumber).TxCountAt(args.Address)
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*reply = newHexNum(big.NewInt(int64(count)).Bytes())
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case "eth_getBlockTransactionCountByHash":
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args := new(HashArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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block := NewBlockRes(api.xeth().EthBlockByHash(args.Hash), false)
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if block == nil {
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*reply = nil
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} else {
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*reply = newHexNum(big.NewInt(int64(len(block.Transactions))).Bytes())
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}
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case "eth_getBlockTransactionCountByNumber":
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args := new(BlockNumArg)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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block := NewBlockRes(api.xeth().EthBlockByNumber(args.BlockNumber), false)
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if block == nil {
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*reply = nil
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break
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}
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*reply = newHexNum(big.NewInt(int64(len(block.Transactions))).Bytes())
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case "eth_getUncleCountByBlockHash":
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args := new(HashArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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block := api.xeth().EthBlockByHash(args.Hash)
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br := NewBlockRes(block, false)
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if br == nil {
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*reply = nil
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break
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}
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*reply = newHexNum(big.NewInt(int64(len(br.Uncles))).Bytes())
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case "eth_getUncleCountByBlockNumber":
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args := new(BlockNumArg)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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block := api.xeth().EthBlockByNumber(args.BlockNumber)
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br := NewBlockRes(block, false)
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if br == nil {
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*reply = nil
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break
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}
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*reply = newHexNum(big.NewInt(int64(len(br.Uncles))).Bytes())
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case "eth_getData", "eth_getCode":
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args := new(GetDataArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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v := api.xethAtStateNum(args.BlockNumber).CodeAtBytes(args.Address)
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*reply = newHexData(v)
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case "eth_sign":
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args := new(NewSigArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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v, err := api.xeth().Sign(args.From, args.Data, false)
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if err != nil {
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return err
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}
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*reply = v
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case "eth_sendTransaction", "eth_transact":
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args := new(NewTxArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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// nonce may be nil ("guess" mode)
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var nonce string
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if args.Nonce != nil {
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nonce = args.Nonce.String()
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}
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v, err := api.xeth().Transact(args.From, args.To, nonce, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data)
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if err != nil {
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return err
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}
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*reply = v
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case "eth_estimateGas":
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_, gas, err := api.doCall(req.Params)
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if err != nil {
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return err
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}
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// TODO unwrap the parent method's ToHex call
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if len(gas) == 0 {
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*reply = newHexNum(0)
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} else {
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*reply = newHexNum(gas)
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}
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case "eth_call":
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v, _, err := api.doCall(req.Params)
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if err != nil {
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return err
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}
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// TODO unwrap the parent method's ToHex call
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if v == "0x0" {
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*reply = newHexData([]byte{})
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} else {
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*reply = newHexData(common.FromHex(v))
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}
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case "eth_flush":
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return NewNotImplementedError(req.Method)
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case "eth_getBlockByHash":
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args := new(GetBlockByHashArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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block := api.xeth().EthBlockByHash(args.BlockHash)
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br := NewBlockRes(block, args.IncludeTxs)
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*reply = br
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case "eth_getBlockByNumber":
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args := new(GetBlockByNumberArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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block := api.xeth().EthBlockByNumber(args.BlockNumber)
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br := NewBlockRes(block, args.IncludeTxs)
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if args.BlockNumber == -2 {
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br.BlockHash = nil
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br.BlockNumber = nil
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br.Miner = nil
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br.Nonce = nil
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br.LogsBloom = nil
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}
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*reply = br
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case "eth_getTransactionByHash":
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args := new(HashArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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tx, bhash, bnum, txi := api.xeth().EthTransactionByHash(args.Hash)
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if tx != nil {
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v := NewTransactionRes(tx)
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// if the blockhash is 0, assume this is a pending transaction
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if bytes.Compare(bhash.Bytes(), []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}) != 0 {
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v.BlockHash = newHexData(bhash)
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v.BlockNumber = newHexNum(bnum)
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v.TxIndex = newHexNum(txi)
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}
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*reply = v
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}
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case "eth_getTransactionByBlockHashAndIndex":
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args := new(HashIndexArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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block := api.xeth().EthBlockByHash(args.Hash)
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br := NewBlockRes(block, true)
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if br == nil {
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*reply = nil
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break
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}
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if args.Index >= int64(len(br.Transactions)) || args.Index < 0 {
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// return NewValidationError("Index", "does not exist")
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*reply = nil
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} else {
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*reply = br.Transactions[args.Index]
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}
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case "eth_getTransactionByBlockNumberAndIndex":
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args := new(BlockNumIndexArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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block := api.xeth().EthBlockByNumber(args.BlockNumber)
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v := NewBlockRes(block, true)
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if v == nil {
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*reply = nil
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break
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}
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if args.Index >= int64(len(v.Transactions)) || args.Index < 0 {
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// return NewValidationError("Index", "does not exist")
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*reply = nil
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} else {
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*reply = v.Transactions[args.Index]
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}
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case "eth_getUncleByBlockHashAndIndex":
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args := new(HashIndexArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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br := NewBlockRes(api.xeth().EthBlockByHash(args.Hash), false)
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if br == nil {
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*reply = nil
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return nil
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}
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if args.Index >= int64(len(br.Uncles)) || args.Index < 0 {
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// return NewValidationError("Index", "does not exist")
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*reply = nil
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} else {
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*reply = br.Uncles[args.Index]
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}
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case "eth_getUncleByBlockNumberAndIndex":
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args := new(BlockNumIndexArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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block := api.xeth().EthBlockByNumber(args.BlockNumber)
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v := NewBlockRes(block, true)
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if v == nil {
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*reply = nil
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return nil
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}
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if args.Index >= int64(len(v.Uncles)) || args.Index < 0 {
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// return NewValidationError("Index", "does not exist")
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*reply = nil
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} else {
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*reply = v.Uncles[args.Index]
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}
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case "eth_getCompilers":
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var lang string
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if solc, _ := api.xeth().Solc(); solc != nil {
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lang = "Solidity"
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}
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c := []string{lang}
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*reply = c
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case "eth_compileLLL", "eth_compileSerpent":
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return NewNotImplementedError(req.Method)
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case "eth_compileSolidity":
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solc, _ := api.xeth().Solc()
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if solc == nil {
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return NewNotImplementedError(req.Method)
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}
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args := new(SourceArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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contract, err := solc.Compile(args.Source)
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if err != nil {
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return err
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}
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contract.Code = newHexData(contract.Code).String()
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*reply = contract
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case "eth_newFilter":
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args := new(BlockFilterArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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id := api.xeth().NewLogFilter(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics)
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*reply = newHexNum(big.NewInt(int64(id)).Bytes())
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case "eth_newBlockFilter":
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*reply = newHexNum(api.xeth().NewBlockFilter())
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case "eth_newPendingTransactionFilter":
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*reply = newHexNum(api.xeth().NewTransactionFilter())
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case "eth_uninstallFilter":
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args := new(FilterIdArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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*reply = api.xeth().UninstallFilter(args.Id)
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case "eth_getFilterChanges":
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args := new(FilterIdArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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switch api.xeth().GetFilterType(args.Id) {
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case xeth.BlockFilterTy:
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*reply = NewHashesRes(api.xeth().BlockFilterChanged(args.Id))
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case xeth.TransactionFilterTy:
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*reply = NewHashesRes(api.xeth().TransactionFilterChanged(args.Id))
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case xeth.LogFilterTy:
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*reply = NewLogsRes(api.xeth().LogFilterChanged(args.Id))
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default:
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*reply = []string{} // reply empty string slice
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}
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case "eth_getFilterLogs":
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args := new(FilterIdArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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*reply = NewLogsRes(api.xeth().Logs(args.Id))
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case "eth_getLogs":
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args := new(BlockFilterArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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*reply = NewLogsRes(api.xeth().AllLogs(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics))
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case "eth_getWork":
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api.xeth().SetMining(true, 0)
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*reply = api.xeth().RemoteMining().GetWork()
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case "eth_submitWork":
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args := new(SubmitWorkArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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*reply = api.xeth().RemoteMining().SubmitWork(args.Nonce, common.HexToHash(args.Digest), common.HexToHash(args.Header))
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case "db_putString":
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args := new(DbArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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if err := args.requirements(); err != nil {
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return err
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}
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api.xeth().DbPut([]byte(args.Database+args.Key), args.Value)
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*reply = true
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case "db_getString":
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args := new(DbArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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if err := args.requirements(); err != nil {
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return err
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}
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res, _ := api.xeth().DbGet([]byte(args.Database + args.Key))
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*reply = string(res)
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case "db_putHex":
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args := new(DbHexArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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if err := args.requirements(); err != nil {
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return err
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}
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api.xeth().DbPut([]byte(args.Database+args.Key), args.Value)
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*reply = true
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case "db_getHex":
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args := new(DbHexArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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if err := args.requirements(); err != nil {
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return err
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}
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res, _ := api.xeth().DbGet([]byte(args.Database + args.Key))
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*reply = newHexData(res)
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case "shh_version":
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// Short circuit if whisper is not running
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if api.xeth().Whisper() == nil {
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return NewNotAvailableError(req.Method, "whisper offline")
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}
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// Retrieves the currently running whisper protocol version
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*reply = api.xeth().WhisperVersion()
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case "shh_post":
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// Short circuit if whisper is not running
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if api.xeth().Whisper() == nil {
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return NewNotAvailableError(req.Method, "whisper offline")
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}
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// Injects a new message into the whisper network
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args := new(WhisperMessageArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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err := api.xeth().Whisper().Post(args.Payload, args.To, args.From, args.Topics, args.Priority, args.Ttl)
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if err != nil {
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return err
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}
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*reply = true
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case "shh_newIdentity":
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// Short circuit if whisper is not running
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if api.xeth().Whisper() == nil {
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return NewNotAvailableError(req.Method, "whisper offline")
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}
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// Creates a new whisper identity to use for sending/receiving messages
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*reply = api.xeth().Whisper().NewIdentity()
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case "shh_hasIdentity":
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// Short circuit if whisper is not running
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if api.xeth().Whisper() == nil {
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return NewNotAvailableError(req.Method, "whisper offline")
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}
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// Checks if an identity if owned or not
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args := new(WhisperIdentityArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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return err
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}
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*reply = api.xeth().Whisper().HasIdentity(args.Identity)
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case "shh_newFilter":
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// Short circuit if whisper is not running
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if api.xeth().Whisper() == nil {
|
|
return NewNotAvailableError(req.Method, "whisper offline")
|
|
}
|
|
// Create a new filter to watch and match messages with
|
|
args := new(WhisperFilterArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
id := api.xeth().NewWhisperFilter(args.To, args.From, args.Topics)
|
|
*reply = newHexNum(big.NewInt(int64(id)).Bytes())
|
|
|
|
case "shh_uninstallFilter":
|
|
// Short circuit if whisper is not running
|
|
if api.xeth().Whisper() == nil {
|
|
return NewNotAvailableError(req.Method, "whisper offline")
|
|
}
|
|
// Remove an existing filter watching messages
|
|
args := new(FilterIdArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
*reply = api.xeth().UninstallWhisperFilter(args.Id)
|
|
|
|
case "shh_getFilterChanges":
|
|
// Short circuit if whisper is not running
|
|
if api.xeth().Whisper() == nil {
|
|
return NewNotAvailableError(req.Method, "whisper offline")
|
|
}
|
|
// Retrieve all the new messages arrived since the last request
|
|
args := new(FilterIdArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
*reply = api.xeth().WhisperMessagesChanged(args.Id)
|
|
|
|
case "shh_getMessages":
|
|
// Short circuit if whisper is not running
|
|
if api.xeth().Whisper() == nil {
|
|
return NewNotAvailableError(req.Method, "whisper offline")
|
|
}
|
|
// Retrieve all the cached messages matching a specific, existing filter
|
|
args := new(FilterIdArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
*reply = api.xeth().WhisperMessages(args.Id)
|
|
|
|
case "eth_hashrate":
|
|
*reply = newHexNum(api.xeth().HashRate())
|
|
|
|
// case "eth_register":
|
|
// // Placeholder for actual type
|
|
// args := new(HashIndexArgs)
|
|
// if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
// return err
|
|
// }
|
|
// *reply = api.xeth().Register(args.Hash)
|
|
// case "eth_unregister":
|
|
// args := new(HashIndexArgs)
|
|
// if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
// return err
|
|
// }
|
|
// *reply = api.xeth().Unregister(args.Hash)
|
|
// case "eth_watchTx":
|
|
// args := new(HashIndexArgs)
|
|
// if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
// return err
|
|
// }
|
|
// *reply = api.xeth().PullWatchTx(args.Hash)
|
|
default:
|
|
return NewNotImplementedError(req.Method)
|
|
}
|
|
|
|
// glog.V(logger.Detail).Infof("Reply: %v\n", reply)
|
|
return nil
|
|
}
|
|
|
|
func (api *EthereumApi) doCall(params json.RawMessage) (string, string, error) {
|
|
args := new(CallArgs)
|
|
if err := json.Unmarshal(params, &args); err != nil {
|
|
return "", "", err
|
|
}
|
|
|
|
return api.xethAtStateNum(args.BlockNumber).Call(args.From, args.To, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data)
|
|
}
|