mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-23 11:57:17 +00:00
570 lines
15 KiB
Go
570 lines
15 KiB
Go
package rpc
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import (
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"encoding/json"
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"math/big"
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"path"
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"strings"
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"sync"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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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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xethMu sync.RWMutex
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// // Register keeps a list of accounts and transaction data
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// regmut sync.Mutex
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// register map[string][]*NewTxArgs
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db common.Database
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}
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func NewEthereumApi(eth *xeth.XEth, dataDir string) *EthereumApi {
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// What about when dataDir is empty?
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db, _ := ethdb.NewLDBDatabase(path.Join(dataDir, "dapps"))
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api := &EthereumApi{
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eth: eth,
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db: db,
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}
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return api
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}
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func (self *EthereumApi) xeth() *xeth.XEth {
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self.xethMu.RLock()
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defer self.xethMu.RUnlock()
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return self.eth
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}
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func (p *EthereumApi) Transact(args *NewTxArgs, reply *interface{}) (err error) {
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if err := args.requirements(); err != nil {
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return err
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}
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// TODO: align default values to have the same type, e.g. not depend on
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// common.Value conversions later on
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if args.Gas.Cmp(big.NewInt(0)) == 0 {
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args.Gas = p.xeth().DefaultGas()
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}
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if args.GasPrice.Cmp(big.NewInt(0)) == 0 {
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args.GasPrice = p.xeth().DefaultGasPrice()
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}
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*reply, err = p.xeth().Transact(args.From, args.To, 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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return nil
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}
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func (p *EthereumApi) Call(args *NewTxArgs, reply *interface{}) error {
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result, err := p.xeth().AtStateNum(args.BlockNumber).Call(args.From, args.To, 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 = result
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return nil
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}
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func (p *EthereumApi) GetStorageAt(args *GetStorageAtArgs, reply *interface{}) error {
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if err := args.requirements(); err != nil {
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return err
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}
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state := p.xeth().AtStateNum(args.BlockNumber).State().SafeGet(args.Address)
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value := state.StorageString(args.Key)
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var hx string
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if strings.Index(args.Key, "0x") == 0 {
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hx = string([]byte(args.Key)[2:])
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} else {
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// Convert the incoming string (which is a bigint) into hex
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i, _ := new(big.Int).SetString(args.Key, 10)
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hx = common.Bytes2Hex(i.Bytes())
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}
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rpclogger.Debugf("GetStateAt(%s, %s)\n", args.Address, hx)
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*reply = map[string]string{args.Key: value.Str()}
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return nil
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}
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func (p *EthereumApi) GetBlockByHash(blockhash string, includetx bool) (*BlockRes, error) {
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block := p.xeth().EthBlockByHash(blockhash)
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br := NewBlockRes(block)
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br.fullTx = includetx
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return br, nil
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}
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func (p *EthereumApi) GetBlockByNumber(blocknum int64, includetx bool) (*BlockRes, error) {
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block := p.xeth().EthBlockByNumber(blocknum)
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br := NewBlockRes(block)
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br.fullTx = includetx
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return br, nil
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}
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// func (self *EthereumApi) Register(args string, reply *interface{}) error {
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// self.regmut.Lock()
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// defer self.regmut.Unlock()
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// if _, ok := self.register[args]; ok {
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// self.register[args] = nil // register with empty
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// }
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// return nil
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// }
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// func (self *EthereumApi) Unregister(args string, reply *interface{}) error {
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// self.regmut.Lock()
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// defer self.regmut.Unlock()
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// delete(self.register, args)
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// return nil
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// }
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// func (self *EthereumApi) WatchTx(args string, reply *interface{}) error {
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// self.regmut.Lock()
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// defer self.regmut.Unlock()
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// txs := self.register[args]
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// self.register[args] = nil
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// *reply = txs
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// return nil
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// }
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func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error {
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// Spec at https://github.com/ethereum/wiki/wiki/Generic-JSON-RPC
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rpclogger.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 = p.xeth().Backend().Version()
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case "net_version":
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return NewNotImplementedError(req.Method)
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case "net_listening":
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*reply = p.xeth().IsListening()
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case "net_peerCount":
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*reply = common.ToHex(big.NewInt(int64(p.xeth().PeerCount())).Bytes())
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case "eth_coinbase":
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// TODO handling of empty coinbase due to lack of accounts
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res := p.xeth().Coinbase()
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if res == "0x" || res == "0x0" {
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*reply = nil
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} else {
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*reply = res
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}
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case "eth_mining":
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*reply = p.xeth().IsMining()
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case "eth_gasPrice":
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*reply = common.ToHex(p.xeth().DefaultGas().Bytes())
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case "eth_accounts":
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*reply = p.xeth().Accounts()
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case "eth_blockNumber":
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*reply = common.ToHex(p.xeth().Backend().ChainManager().CurrentBlock().Number().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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if err := args.requirements(); err != nil {
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return err
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}
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*reply = common.ToHex(p.xeth().AtStateNum(args.BlockNumber).State().SafeGet(args.Address).Balance().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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if err := args.requirements(); err != nil {
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return err
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}
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*reply = p.xeth().AtStateNum(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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return p.GetStorageAt(args, reply)
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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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err := args.requirements()
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if err != nil {
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return err
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}
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*reply = p.xeth().AtStateNum(args.BlockNumber).TxCountAt(args.Address)
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case "eth_getBlockTransactionCountByHash":
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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 := p.xeth().EthBlockByHash(args.BlockHash)
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br := NewBlockRes(block)
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*reply = common.ToHex(big.NewInt(int64(len(br.Transactions))).Bytes())
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case "eth_getBlockTransactionCountByNumber":
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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 := p.xeth().EthBlockByNumber(args.BlockNumber)
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br := NewBlockRes(block)
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*reply = common.ToHex(big.NewInt(int64(len(br.Transactions))).Bytes())
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case "eth_getUncleCountByBlockHash":
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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 := p.xeth().EthBlockByHash(args.BlockHash)
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br := NewBlockRes(block)
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*reply = common.ToHex(big.NewInt(int64(len(br.Uncles))).Bytes())
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case "eth_getUncleCountByBlockNumber":
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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 := p.xeth().EthBlockByNumber(args.BlockNumber)
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br := NewBlockRes(block)
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*reply = common.ToHex(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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if err := args.requirements(); err != nil {
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return err
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}
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*reply = p.xeth().AtStateNum(args.BlockNumber).CodeAt(args.Address)
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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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return p.Transact(args, reply)
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case "eth_call":
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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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return p.Call(args, reply)
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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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v, err := p.GetBlockByHash(args.BlockHash, args.IncludeTxs)
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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_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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v, err := p.GetBlockByNumber(args.BlockNumber, args.IncludeTxs)
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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_getTransactionByHash":
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// HashIndexArgs used, but only the "Hash" part we need.
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args := new(HashIndexArgs)
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if err := json.Unmarshal(req.Params, &args); err != nil {
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}
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tx := p.xeth().EthTransactionByHash(args.Hash)
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if tx != nil {
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*reply = NewTransactionRes(tx)
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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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v, err := p.GetBlockByHash(args.Hash, true)
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if err != nil {
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return err
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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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}
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*reply = v.Transactions[args.Index]
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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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v, err := p.GetBlockByNumber(args.BlockNumber, true)
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if err != nil {
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return err
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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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}
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*reply = v.Transactions[args.Index]
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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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v, err := p.GetBlockByHash(args.Hash, false)
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if err != nil {
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return err
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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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}
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uncle, err := p.GetBlockByHash(common.ToHex(v.Uncles[args.Index]), false)
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if err != nil {
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return err
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}
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*reply = uncle
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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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v, err := p.GetBlockByNumber(args.BlockNumber, true)
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if err != nil {
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return err
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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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}
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uncle, err := p.GetBlockByHash(common.ToHex(v.Uncles[args.Index]), false)
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if err != nil {
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return err
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}
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*reply = uncle
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case "eth_getCompilers":
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c := []string{""}
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*reply = c
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case "eth_compileSolidity", "eth_compileLLL", "eth_compileSerpent":
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return NewNotImplementedError(req.Method)
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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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opts := toFilterOptions(args)
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id := p.xeth().RegisterFilter(opts)
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*reply = common.ToHex(big.NewInt(int64(id)).Bytes())
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case "eth_newBlockFilter":
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args := new(FilterStringArgs)
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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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id := p.xeth().NewFilterString(args.Word)
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*reply = common.ToHex(big.NewInt(int64(id)).Bytes())
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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 = p.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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*reply = NewLogsRes(p.xeth().FilterChanged(args.Id))
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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(p.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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opts := toFilterOptions(args)
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*reply = NewLogsRes(p.xeth().AllLogs(opts))
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case "eth_getWork", "eth_submitWork":
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return NewNotImplementedError(req.Method)
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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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p.db.Put([]byte(args.Database+args.Key), []byte(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, _ := p.db.Get([]byte(args.Database + args.Key))
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*reply = string(res)
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case "db_putHex", "db_getHex":
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return NewNotImplementedError(req.Method)
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case "shh_post":
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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 := p.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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*reply = p.xeth().Whisper().NewIdentity()
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// case "shh_removeIdentity":
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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 = p.xeth().Whisper().RemoveIdentity(args.Identity)
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case "shh_hasIdentity":
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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 = p.xeth().Whisper().HasIdentity(args.Identity)
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case "shh_newGroup", "shh_addToGroup":
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return NewNotImplementedError(req.Method)
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case "shh_newFilter":
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args := new(WhisperFilterArgs)
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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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opts := new(xeth.Options)
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opts.From = args.From
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opts.To = args.To
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opts.Topics = args.Topics
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id := p.xeth().NewWhisperFilter(opts)
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*reply = common.ToHex(big.NewInt(int64(id)).Bytes())
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case "shh_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 = p.xeth().UninstallWhisperFilter(args.Id)
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case "shh_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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*reply = p.xeth().MessagesChanged(args.Id)
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case "shh_getMessages":
|
|
args := new(FilterIdArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
*reply = p.xeth().Whisper().Messages(args.Id)
|
|
// case "eth_register":
|
|
// args, err := req.ToRegisterArgs()
|
|
// if err != nil {
|
|
// return err
|
|
// }
|
|
// return p.Register(args, reply)
|
|
// case "eth_unregister":
|
|
// args, err := req.ToRegisterArgs()
|
|
// if err != nil {
|
|
// return err
|
|
// }
|
|
// return p.Unregister(args, reply)
|
|
// case "eth_watchTx":
|
|
// args, err := req.ToWatchTxArgs()
|
|
// if err != nil {
|
|
// return err
|
|
// }
|
|
// return p.WatchTx(args, reply)
|
|
default:
|
|
return NewNotImplementedError(req.Method)
|
|
}
|
|
|
|
rpclogger.DebugDetailf("Reply: %T %s", reply, reply)
|
|
return nil
|
|
}
|
|
|
|
func toFilterOptions(options *BlockFilterArgs) *core.FilterOptions {
|
|
var opts core.FilterOptions
|
|
|
|
// Convert optional address slice/string to byte slice
|
|
if str, ok := options.Address.(string); ok {
|
|
opts.Address = [][]byte{common.FromHex(str)}
|
|
} else if slice, ok := options.Address.([]interface{}); ok {
|
|
bslice := make([][]byte, len(slice))
|
|
for i, addr := range slice {
|
|
if saddr, ok := addr.(string); ok {
|
|
bslice[i] = common.FromHex(saddr)
|
|
}
|
|
}
|
|
opts.Address = bslice
|
|
}
|
|
|
|
opts.Earliest = options.Earliest
|
|
opts.Latest = options.Latest
|
|
|
|
topics := make([][][]byte, len(options.Topics))
|
|
for i, topicDat := range options.Topics {
|
|
if slice, ok := topicDat.([]interface{}); ok {
|
|
topics[i] = make([][]byte, len(slice))
|
|
for j, topic := range slice {
|
|
topics[i][j] = common.FromHex(topic.(string))
|
|
}
|
|
} else if str, ok := topicDat.(string); ok {
|
|
topics[i] = make([][]byte, 1)
|
|
topics[i][0] = common.FromHex(str)
|
|
}
|
|
}
|
|
opts.Topics = topics
|
|
|
|
return &opts
|
|
}
|