mirror of https://github.com/status-im/op-geth.git
685 lines
17 KiB
Go
685 lines
17 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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"strings"
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"sync"
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"time"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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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/ethutil"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/event/filter"
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"github.com/ethereum/go-ethereum/state"
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"github.com/ethereum/go-ethereum/xeth"
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)
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var (
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defaultGasPrice = big.NewInt(10000000000000)
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defaultGas = big.NewInt(10000)
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filterTickerTime = 15 * time.Second
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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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mux *event.TypeMux
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quit chan struct{}
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filterManager *filter.FilterManager
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logMut sync.RWMutex
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logs map[int]*logFilter
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messagesMut sync.RWMutex
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messages map[int]*whisperFilter
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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 ethutil.Database
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// defaultBlockAge int64
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}
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func NewEthereumApi(eth *xeth.XEth) *EthereumApi {
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db, _ := ethdb.NewLDBDatabase("dapps")
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api := &EthereumApi{
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eth: eth,
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mux: eth.Backend().EventMux(),
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quit: make(chan struct{}),
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filterManager: filter.NewFilterManager(eth.Backend().EventMux()),
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logs: make(map[int]*logFilter),
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messages: make(map[int]*whisperFilter),
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db: db,
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// defaultBlockAge: -1,
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}
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go api.filterManager.Start()
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go api.start()
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return api
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}
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// func (self *EthereumApi) setStateByBlockNumber(num int64) {
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// chain := self.xeth().Backend().ChainManager()
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// var block *types.Block
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// if self.defaultBlockAge < 0 {
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// num = chain.CurrentBlock().Number().Int64() + num + 1
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// }
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// block = chain.GetBlockByNumber(uint64(num))
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// if block != nil {
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// self.useState(state.New(block.Root(), self.xeth().Backend().StateDb()))
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// } else {
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// self.useState(chain.State())
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// }
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// }
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func (self *EthereumApi) start() {
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timer := time.NewTicker(filterTickerTime)
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// events := self.mux.Subscribe(core.ChainEvent{})
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done:
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for {
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select {
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// case ev := <-events.Chan():
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// switch ev.(type) {
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// case core.ChainEvent:
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// if self.defaultBlockAge < 0 {
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// self.setStateByBlockNumber(self.defaultBlockAge)
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// }
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// }
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case <-timer.C:
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self.logMut.Lock()
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self.messagesMut.Lock()
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for id, filter := range self.logs {
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if time.Since(filter.timeout) > 20*time.Second {
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self.filterManager.UninstallFilter(id)
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delete(self.logs, id)
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}
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}
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for id, filter := range self.messages {
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if time.Since(filter.timeout) > 20*time.Second {
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self.xeth().Whisper().Unwatch(id)
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delete(self.messages, id)
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}
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}
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self.logMut.Unlock()
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self.messagesMut.Unlock()
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case <-self.quit:
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break done
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}
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}
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}
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func (self *EthereumApi) stop() {
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close(self.quit)
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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 (self *EthereumApi) NewFilter(args *FilterOptions, reply *interface{}) error {
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var id int
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filter := core.NewFilter(self.xeth().Backend())
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filter.SetOptions(toFilterOptions(args))
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filter.LogsCallback = func(logs state.Logs) {
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self.logMut.Lock()
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defer self.logMut.Unlock()
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self.logs[id].add(logs...)
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}
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id = self.filterManager.InstallFilter(filter)
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self.logs[id] = &logFilter{timeout: time.Now()}
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*reply = id
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return nil
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}
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func (self *EthereumApi) UninstallFilter(id int, reply *interface{}) error {
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delete(self.logs, id)
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self.filterManager.UninstallFilter(id)
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*reply = true
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return nil
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}
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func (self *EthereumApi) NewFilterString(args string, reply *interface{}) error {
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var id int
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filter := core.NewFilter(self.xeth().Backend())
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callback := func(block *types.Block) {
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self.logMut.Lock()
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defer self.logMut.Unlock()
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self.logs[id].add(&state.StateLog{})
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}
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if args == "pending" {
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filter.PendingCallback = callback
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} else if args == "chain" {
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filter.BlockCallback = callback
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}
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id = self.filterManager.InstallFilter(filter)
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self.logs[id] = &logFilter{timeout: time.Now()}
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*reply = id
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return nil
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}
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func (self *EthereumApi) FilterChanged(id int, reply *interface{}) error {
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self.logMut.Lock()
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defer self.logMut.Unlock()
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if self.logs[id] != nil {
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*reply = toLogs(self.logs[id].get())
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}
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return nil
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}
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func (self *EthereumApi) Logs(id int, reply *interface{}) error {
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self.logMut.Lock()
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defer self.logMut.Unlock()
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filter := self.filterManager.GetFilter(id)
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if filter != nil {
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*reply = toLogs(filter.Find())
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}
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return nil
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}
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func (self *EthereumApi) AllLogs(args *FilterOptions, reply *interface{}) error {
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filter := core.NewFilter(self.xeth().Backend())
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filter.SetOptions(toFilterOptions(args))
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*reply = toLogs(filter.Find())
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return nil
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}
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func (p *EthereumApi) Transact(args *NewTxArgs, reply *interface{}) error {
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if args.Gas == ethutil.Big0 {
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args.Gas = defaultGas
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}
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if args.GasPrice == ethutil.Big0 {
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args.GasPrice = defaultGasPrice
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}
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// TODO if no_private_key then
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//if _, exists := p.register[args.From]; exists {
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// p.register[args.From] = append(p.register[args.From], args)
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//} else {
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/*
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account := accounts.Get(fromHex(args.From))
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if account != nil {
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if account.Unlocked() {
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if !unlockAccount(account) {
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return
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}
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}
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result, _ := account.Transact(fromHex(args.To), fromHex(args.Value), fromHex(args.Gas), fromHex(args.GasPrice), fromHex(args.Data))
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if len(result) > 0 {
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*reply = toHex(result)
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}
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} else if _, exists := p.register[args.From]; exists {
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p.register[ags.From] = append(p.register[args.From], args)
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}
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*/
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result, err := p.xeth().Transact( /* TODO specify account */ 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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//}
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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().Call( /* TODO specify account */ 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) GetBalance(args *GetBalanceArgs, 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().State().SafeGet(args.Address)
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*reply = toHex(state.Balance().Bytes())
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return nil
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}
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func (p *EthereumApi) GetStorage(args *GetStorageArgs, 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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*reply = p.xeth().State().SafeGet(args.Address).Storage()
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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().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 = ethutil.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) GetTxCountAt(args *GetTxCountArgs, reply *interface{}) error {
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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().TxCountAt(args.Address)
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return nil
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}
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func (p *EthereumApi) GetData(args *GetDataArgs, 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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*reply = p.xeth().CodeAt(args.Address)
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return nil
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}
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func (p *EthereumApi) GetCompilers(reply *interface{}) error {
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c := []string{""}
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*reply = c
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return nil
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}
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func (p *EthereumApi) DbPut(args *DbArgs, 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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p.db.Put([]byte(args.Database+args.Key), []byte(args.Value))
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*reply = true
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return nil
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}
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func (p *EthereumApi) DbGet(args *DbArgs, 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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res, _ := p.db.Get([]byte(args.Database + args.Key))
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*reply = string(res)
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return nil
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}
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func (p *EthereumApi) NewWhisperIdentity(reply *interface{}) error {
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*reply = p.xeth().Whisper().NewIdentity()
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return nil
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}
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func (p *EthereumApi) NewWhisperFilter(args *WhisperFilterArgs, reply *interface{}) error {
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var id int
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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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opts.Fn = func(msg xeth.WhisperMessage) {
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p.messagesMut.Lock()
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defer p.messagesMut.Unlock()
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p.messages[id].add(msg) // = append(p.messages[id], msg)
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}
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id = p.xeth().Whisper().Watch(opts)
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p.messages[id] = &whisperFilter{timeout: time.Now()}
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*reply = id
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return nil
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}
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func (self *EthereumApi) MessagesChanged(id int, reply *interface{}) error {
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self.messagesMut.Lock()
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defer self.messagesMut.Unlock()
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if self.messages[id] != nil {
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*reply = self.messages[id].get()
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}
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return nil
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}
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func (p *EthereumApi) WhisperPost(args *WhisperMessageArgs, reply *interface{}) error {
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err := p.xeth().Whisper().Post(args.Payload, args.To, args.From, args.Topic, 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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return nil
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}
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func (p *EthereumApi) HasWhisperIdentity(args string, reply *interface{}) error {
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*reply = p.xeth().Whisper().HasIdentity(args)
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return nil
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}
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func (p *EthereumApi) WhisperMessages(id int, reply *interface{}) error {
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*reply = p.xeth().Whisper().Messages(id)
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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.DebugDetailf("%T %s", req.Params, 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 = toHex(crypto.Sha3(fromHex(args.Data)))
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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 = toHex(big.NewInt(int64(p.xeth().PeerCount())).Bytes())
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case "eth_coinbase":
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*reply = p.xeth().Coinbase()
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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 = toHex(defaultGasPrice.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 = toHex(p.xeth().Backend().ChainManager().CurrentBlock().Number().Bytes())
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case "eth_getBalance":
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// TODO handle BlockNumber
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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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return p.GetBalance(args, reply)
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case "eth_getStorage":
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// TODO handle BlockNumber
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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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return p.GetStorage(args, reply)
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case "eth_getStorageAt":
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// TODO handle BlockNumber
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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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// TODO handle BlockNumber
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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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return p.GetTxCountAt(args, reply)
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case "eth_getBlockTransactionCountByHash":
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case "eth_getBlockTransactionCountByNumber":
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case "eth_getUncleCountByBlockHash":
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case "eth_getUncleCountByBlockNumber":
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return errNotImplemented
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case "eth_getData":
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// TODO handle BlockNumber
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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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return p.GetData(args, reply)
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case "eth_sendTransaction":
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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 errNotImplemented
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case "eth_getBlockByHash":
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// TODO handle second param for "include transaction objects"
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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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*reply = p.xeth().BlockByHash(args.BlockHash)
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case "eth_getBlockByNumber":
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// TODO handle second param for "include transaction objects"
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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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*reply = p.xeth().BlockByNumber(args.BlockNumber)
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case "eth_getTransactionByHash":
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case "eth_getTransactionByBlockHashAndIndex":
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case "eth_getTransactionByBlockNumberAndIndex":
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case "eth_getUncleByBlockHashAndIndex":
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case "eth_getUncleByBlockNumberAndIndex":
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return errNotImplemented
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case "eth_getCompilers":
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return p.GetCompilers(reply)
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case "eth_compileSolidity":
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case "eth_compileLLL":
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case "eth_compileSerpent":
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return errNotImplemented
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case "eth_newFilter":
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args := new(FilterOptions)
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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.NewFilter(args, reply)
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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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return p.NewFilterString(args.Word, reply)
|
|
case "eth_uninstallFilter":
|
|
args := new(FilterIdArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.UninstallFilter(args.Id, reply)
|
|
case "eth_getFilterChanges":
|
|
args := new(FilterIdArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.FilterChanged(args.Id, reply)
|
|
case "eth_getFilterLogs":
|
|
args := new(FilterIdArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.Logs(args.Id, reply)
|
|
case "eth_getLogs":
|
|
args := new(FilterOptions)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.AllLogs(args, reply)
|
|
case "eth_getWork":
|
|
case "eth_submitWork":
|
|
return errNotImplemented
|
|
case "db_put":
|
|
args := new(DbArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.DbPut(args, reply)
|
|
case "db_get":
|
|
args := new(DbArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.DbGet(args, reply)
|
|
case "shh_post":
|
|
args := new(WhisperMessageArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.WhisperPost(args, reply)
|
|
case "shh_newIdentity":
|
|
return p.NewWhisperIdentity(reply)
|
|
case "shh_hasIdentity":
|
|
args := new(WhisperIdentityArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.HasWhisperIdentity(args.Identity, reply)
|
|
case "shh_newGroup":
|
|
case "shh_addToGroup":
|
|
return errNotImplemented
|
|
case "shh_newFilter":
|
|
args := new(WhisperFilterArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.NewWhisperFilter(args, reply)
|
|
case "shh_uninstallFilter":
|
|
return errNotImplemented
|
|
case "shh_getFilterChanges":
|
|
args := new(FilterIdArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.MessagesChanged(args.Id, reply)
|
|
case "shh_getMessages":
|
|
args := new(FilterIdArgs)
|
|
if err := json.Unmarshal(req.Params, &args); err != nil {
|
|
return err
|
|
}
|
|
return p.WhisperMessages(args.Id, reply)
|
|
// 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 NewErrorWithMessage(errNotImplemented, req.Method)
|
|
}
|
|
|
|
rpclogger.DebugDetailf("Reply: %T %s", reply, reply)
|
|
return nil
|
|
}
|
|
|
|
func (self *EthereumApi) xeth() *xeth.XEth {
|
|
self.xethMu.RLock()
|
|
defer self.xethMu.RUnlock()
|
|
|
|
return self.eth
|
|
}
|
|
|
|
func (self *EthereumApi) useState(statedb *state.StateDB) {
|
|
self.xethMu.Lock()
|
|
defer self.xethMu.Unlock()
|
|
|
|
self.eth = self.eth.UseState(statedb)
|
|
}
|
|
|
|
func toFilterOptions(options *FilterOptions) core.FilterOptions {
|
|
var opts core.FilterOptions
|
|
|
|
// Convert optional address slice/string to byte slice
|
|
if str, ok := options.Address.(string); ok {
|
|
opts.Address = [][]byte{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] = 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] = fromHex(topic.(string))
|
|
}
|
|
} else if str, ok := topicDat.(string); ok {
|
|
topics[i] = make([][]byte, 1)
|
|
topics[i][0] = fromHex(str)
|
|
}
|
|
}
|
|
opts.Topics = topics
|
|
|
|
return opts
|
|
}
|