restructured eth rpc API
This commit is contained in:
parent
6609d45ef4
commit
2f55a1d798
12
rpc/api/api.go
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12
rpc/api/api.go
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@ -0,0 +1,12 @@
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package api
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import "github.com/ethereum/go-ethereum/rpc/shared"
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// Ethereum RPC API interface
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type EthereumApi interface {
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// Execute the given request and returns the response or an error
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Execute(*shared.Request) (interface{}, error)
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// List of supported RCP methods this API provides
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Methods() []string
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}
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42
rpc/api/api_test.go
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42
rpc/api/api_test.go
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package api
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import (
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"testing"
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"github.com/ethereum/go-ethereum/rpc/codec"
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)
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func TestParseApiString(t *testing.T) {
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apis, err := ParseApiString("", codec.JSON, nil, nil)
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if err == nil {
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t.Errorf("Expected an err from parsing empty API string but got nil")
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}
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if len(apis) != 0 {
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t.Errorf("Expected 0 apis from empty API string")
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}
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apis, err = ParseApiString("eth", codec.JSON, nil, nil)
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if err != nil {
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t.Errorf("Expected nil err from parsing empty API string but got %v", err)
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}
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if len(apis) != 1 {
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t.Errorf("Expected 1 apis but got %d - %v", apis, apis)
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}
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apis, err = ParseApiString("eth,eth", codec.JSON, nil, nil)
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if err != nil {
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t.Errorf("Expected nil err from parsing empty API string but got \"%v\"", err)
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}
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if len(apis) != 2 {
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t.Errorf("Expected 2 apis but got %d - %v", apis, apis)
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}
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apis, err = ParseApiString("eth,invalid", codec.JSON, nil, nil)
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if err == nil {
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t.Errorf("Expected an err but got no err")
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}
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}
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523
rpc/api/eth.go
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523
rpc/api/eth.go
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@ -0,0 +1,523 @@
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package api
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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/rpc/codec"
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"github.com/ethereum/go-ethereum/rpc/shared"
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"github.com/ethereum/go-ethereum/xeth"
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)
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// eth api provider
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// See https://github.com/ethereum/wiki/wiki/JSON-RPC
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type EthApi struct {
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xeth *xeth.XEth
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methods map[string]ethhandler
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codec codec.ApiCoder
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}
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// eth callback handler
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type ethhandler func(*EthApi, *shared.Request) (interface{}, error)
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var (
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ethMapping = map[string]ethhandler{
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"eth_accounts": (*EthApi).Accounts,
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"eth_blockNumber": (*EthApi).BlockNumber,
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"eth_getBalance": (*EthApi).GetBalance,
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"eth_protocolVersion": (*EthApi).ProtocolVersion,
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"eth_coinbase": (*EthApi).Coinbase,
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"eth_mining": (*EthApi).IsMining,
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"eth_gasPrice": (*EthApi).GasPrice,
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"eth_getStorage": (*EthApi).GetStorage,
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"eth_storageAt": (*EthApi).GetStorage,
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"eth_getStorageAt": (*EthApi).GetStorageAt,
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"eth_getTransactionCount": (*EthApi).GetTransactionCount,
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"eth_getBlockTransactionCountByHash": (*EthApi).GetBlockTransactionCountByHash,
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"eth_getBlockTransactionCountByNumber": (*EthApi).GetBlockTransactionCountByNumber,
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"eth_getUncleCountByBlockHash": (*EthApi).GetUncleCountByBlockHash,
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"eth_getUncleCountByBlockNumber": (*EthApi).GetUncleCountByBlockNumber,
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"eth_getData": (*EthApi).GetData,
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"eth_getCode": (*EthApi).GetData,
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"eth_sign": (*EthApi).Sign,
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"eth_sendTransaction": (*EthApi).SendTransaction,
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"eth_transact": (*EthApi).SendTransaction,
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"eth_estimateGas": (*EthApi).EstimateGas,
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"eth_call": (*EthApi).Call,
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"eth_flush": (*EthApi).Flush,
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"eth_getBlockByHash": (*EthApi).GetBlockByHash,
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"eth_getBlockByNumber": (*EthApi).GetBlockByNumber,
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"eth_getTransactionByHash": (*EthApi).GetTransactionByHash,
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"eth_getTransactionByBlockHashAndIndex": (*EthApi).GetTransactionByBlockHashAndIndex,
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"eth_getUncleByBlockHashAndIndex": (*EthApi).GetUncleByBlockHashAndIndex,
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"eth_getUncleByBlockNumberAndIndex": (*EthApi).GetUncleByBlockNumberAndIndex,
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"eth_getCompilers": (*EthApi).GetCompilers,
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"eth_compileSolidity": (*EthApi).CompileSolidity,
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"eth_newFilter": (*EthApi).NewFilter,
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"eth_newBlockFilter": (*EthApi).NewBlockFilter,
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"eth_newPendingTransactionFilter": (*EthApi).NewPendingTransactionFilter,
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"eth_uninstallFilter": (*EthApi).UninstallFilter,
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"eth_getFilterChanges": (*EthApi).GetFilterChanges,
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"eth_getFilterLogs": (*EthApi).GetFilterLogs,
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"eth_getLogs": (*EthApi).GetLogs,
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"eth_hashrate": (*EthApi).Hashrate,
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"eth_getWork": (*EthApi).GetWork,
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"eth_submitWork": (*EthApi).SubmitWork,
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}
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)
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// create new EthApi instance
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func NewEthApi(xeth *xeth.XEth, codec codec.Codec) *EthApi {
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return &EthApi{xeth, ethMapping, codec.New(nil)}
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}
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// collection with supported methods
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func (self *EthApi) Methods() []string {
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methods := make([]string, len(self.methods))
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i := 0
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for k := range self.methods {
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methods[i] = k
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i++
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}
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return methods
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}
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// Execute given request
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func (self *EthApi) Execute(req *shared.Request) (interface{}, error) {
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if callback, ok := self.methods[req.Method]; ok {
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return callback(self, req)
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}
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return nil, shared.NewNotImplementedError(req.Method)
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}
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func (self *EthApi) Accounts(req *shared.Request) (interface{}, error) {
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return self.xeth.Accounts(), nil
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}
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func (self *EthApi) Hashrate(req *shared.Request) (interface{}, error) {
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return newHexNum(self.xeth.HashRate()), nil
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}
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func (self *EthApi) BlockNumber(req *shared.Request) (interface{}, error) {
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return self.xeth.CurrentBlock().Number(), nil
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}
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func (self *EthApi) GetBalance(req *shared.Request) (interface{}, error) {
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args := new(GetBalanceArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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return self.xeth.AtStateNum(args.BlockNumber).BalanceAt(args.Address), nil
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}
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func (self *EthApi) ProtocolVersion(req *shared.Request) (interface{}, error) {
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return self.xeth.EthVersion(), nil
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}
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func (self *EthApi) Coinbase(req *shared.Request) (interface{}, error) {
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return newHexData(self.xeth.Coinbase()), nil
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}
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func (self *EthApi) IsMining(req *shared.Request) (interface{}, error) {
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return self.xeth.IsMining(), nil
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}
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func (self *EthApi) GasPrice(req *shared.Request) (interface{}, error) {
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return newHexNum(xeth.DefaultGasPrice().Bytes()), nil
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}
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func (self *EthApi) GetStorage(req *shared.Request) (interface{}, error) {
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args := new(GetStorageArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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return self.xeth.AtStateNum(args.BlockNumber).State().SafeGet(args.Address).Storage(), nil
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}
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func (self *EthApi) GetStorageAt(req *shared.Request) (interface{}, error) {
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args := new(GetStorageAtArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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return self.xeth.AtStateNum(args.BlockNumber).StorageAt(args.Address, args.Key), nil
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}
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func (self *EthApi) GetTransactionCount(req *shared.Request) (interface{}, error) {
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args := new(GetTxCountArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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count := self.xeth.AtStateNum(args.BlockNumber).TxCountAt(args.Address)
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return newHexNum(big.NewInt(int64(count)).Bytes()), nil
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}
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func (self *EthApi) GetBlockTransactionCountByHash(req *shared.Request) (interface{}, error) {
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args := new(HashArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := NewBlockRes(self.xeth.EthBlockByHash(args.Hash), false)
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if block == nil {
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return nil, nil
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} else {
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return newHexNum(big.NewInt(int64(len(block.Transactions))).Bytes()), nil
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}
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}
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func (self *EthApi) GetBlockTransactionCountByNumber(req *shared.Request) (interface{}, error) {
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args := new(BlockNumArg)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := NewBlockRes(self.xeth.EthBlockByNumber(args.BlockNumber), false)
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if block == nil {
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return nil, nil
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} else {
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return newHexNum(big.NewInt(int64(len(block.Transactions))).Bytes()), nil
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}
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}
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func (self *EthApi) GetUncleCountByBlockHash(req *shared.Request) (interface{}, error) {
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args := new(HashArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByHash(args.Hash)
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br := NewBlockRes(block, false)
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if br == nil {
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return nil, nil
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}
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return newHexNum(big.NewInt(int64(len(br.Uncles))).Bytes()), nil
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}
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func (self *EthApi) GetUncleCountByBlockNumber(req *shared.Request) (interface{}, error) {
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args := new(BlockNumArg)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByNumber(args.BlockNumber)
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br := NewBlockRes(block, false)
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if br == nil {
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return nil, nil
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}
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return newHexNum(big.NewInt(int64(len(br.Uncles))).Bytes()), nil
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}
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func (self *EthApi) GetData(req *shared.Request) (interface{}, error) {
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args := new(GetDataArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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v := self.xeth.AtStateNum(args.BlockNumber).CodeAtBytes(args.Address)
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return newHexData(v), nil
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}
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func (self *EthApi) Sign(req *shared.Request) (interface{}, error) {
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args := new(NewSignArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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v, err := self.xeth.Sign(args.From, args.Data, false)
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if err != nil {
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return nil, err
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}
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return v, nil
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}
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func (self *EthApi) SendTransaction(req *shared.Request) (interface{}, error) {
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args := new(NewTxArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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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 := self.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 nil, err
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}
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return v, nil
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}
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func (self *EthApi) EstimateGas(req *shared.Request) (interface{}, error) {
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_, gas, err := self.doCall(req.Params)
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if err != nil {
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return nil, 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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return newHexNum(0), nil
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} else {
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return newHexNum(gas), nil
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}
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}
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func (self *EthApi) Call(req *shared.Request) (interface{}, error) {
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v, _, err := self.doCall(req.Params)
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if err != nil {
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return nil, 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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return newHexData([]byte{}), nil
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} else {
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return newHexData(common.FromHex(v)), nil
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}
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}
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func (self *EthApi) Flush(req *shared.Request) (interface{}, error) {
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return nil, shared.NewNotImplementedError(req.Method)
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}
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func (self *EthApi) doCall(params json.RawMessage) (string, string, error) {
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args := new(CallArgs)
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if err := self.codec.Decode(params, &args); err != nil {
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return "", "", err
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}
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return self.xeth.AtStateNum(args.BlockNumber).Call(args.From, args.To, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data)
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}
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func (self *EthApi) GetBlockByHash(req *shared.Request) (interface{}, error) {
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args := new(GetBlockByHashArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByHash(args.BlockHash)
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return NewBlockRes(block, args.IncludeTxs), nil
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}
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func (self *EthApi) GetBlockByNumber(req *shared.Request) (interface{}, error) {
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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 nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByNumber(args.BlockNumber)
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br := NewBlockRes(block, args.IncludeTxs)
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// If request was for "pending", nil nonsensical fields
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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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return br, nil
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}
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func (self *EthApi) GetTransactionByHash(req *shared.Request) (interface{}, error) {
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args := new(HashArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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tx, bhash, bnum, txi := self.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(), bytes.Repeat([]byte{0}, 32)) != 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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return v, nil
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}
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return nil, nil
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}
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func (self *EthApi) GetTransactionByBlockHashAndIndex(req *shared.Request) (interface{}, error) {
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args := new(HashIndexArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByHash(args.Hash)
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br := NewBlockRes(block, true)
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if br == nil {
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return nil, nil
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}
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if args.Index >= int64(len(br.Transactions)) || args.Index < 0 {
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return nil, nil
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} else {
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return br.Transactions[args.Index], nil
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}
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}
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func (self *EthApi) GetTransactionByBlockNumberAndIndex(req *shared.Request) (interface{}, error) {
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args := new(BlockNumIndexArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByNumber(args.BlockNumber)
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v := NewBlockRes(block, true)
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if v == nil {
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return nil, nil
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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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return nil, nil
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}
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return v.Transactions[args.Index], nil
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}
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func (self *EthApi) GetUncleByBlockHashAndIndex(req *shared.Request) (interface{}, error) {
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args := new(HashIndexArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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br := NewBlockRes(self.xeth.EthBlockByHash(args.Hash), false)
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if br == nil {
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return nil, 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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return nil, nil
|
||||
}
|
||||
|
||||
return br.Uncles[args.Index], nil
|
||||
}
|
||||
|
||||
func (self *EthApi) GetUncleByBlockNumberAndIndex(req *shared.Request) (interface{}, error) {
|
||||
args := new(BlockNumIndexArgs)
|
||||
if err := self.codec.Decode(req.Params, &args); err != nil {
|
||||
return nil, shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
block := self.xeth.EthBlockByNumber(args.BlockNumber)
|
||||
v := NewBlockRes(block, true)
|
||||
|
||||
if v == nil {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
if args.Index >= int64(len(v.Uncles)) || args.Index < 0 {
|
||||
return nil, nil
|
||||
} else {
|
||||
return v.Uncles[args.Index], nil
|
||||
}
|
||||
}
|
||||
|
||||
func (self *EthApi) GetCompilers(req *shared.Request) (interface{}, error) {
|
||||
var lang string
|
||||
if solc, _ := self.xeth.Solc(); solc != nil {
|
||||
lang = "Solidity"
|
||||
}
|
||||
c := []string{lang}
|
||||
return c, nil
|
||||
}
|
||||
|
||||
func (self *EthApi) CompileSolidity(req *shared.Request) (interface{}, error) {
|
||||
solc, _ := self.xeth.Solc()
|
||||
if solc == nil {
|
||||
return nil, shared.NewNotAvailableError(req.Method, "solc (solidity compiler) not found")
|
||||
}
|
||||
|
||||
args := new(SourceArgs)
|
||||
if err := self.codec.Decode(req.Params, &args); err != nil {
|
||||
return nil, shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
contracts, err := solc.Compile(args.Source)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return contracts, nil
|
||||
}
|
||||
|
||||
func (self *EthApi) NewFilter(req *shared.Request) (interface{}, error) {
|
||||
args := new(BlockFilterArgs)
|
||||
if err := self.codec.Decode(req.Params, &args); err != nil {
|
||||
return nil, shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
id := self.xeth.NewLogFilter(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics)
|
||||
return newHexNum(big.NewInt(int64(id)).Bytes()), nil
|
||||
}
|
||||
|
||||
func (self *EthApi) NewBlockFilter(req *shared.Request) (interface{}, error) {
|
||||
return newHexNum(self.xeth.NewBlockFilter()), nil
|
||||
}
|
||||
|
||||
func (self *EthApi) NewPendingTransactionFilter(req *shared.Request) (interface{}, error) {
|
||||
return newHexNum(self.xeth.NewTransactionFilter()), nil
|
||||
}
|
||||
|
||||
func (self *EthApi) UninstallFilter(req *shared.Request) (interface{}, error) {
|
||||
args := new(FilterIdArgs)
|
||||
if err := self.codec.Decode(req.Params, &args); err != nil {
|
||||
return nil, shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
return self.xeth.UninstallFilter(args.Id), nil
|
||||
}
|
||||
|
||||
func (self *EthApi) GetFilterChanges(req *shared.Request) (interface{}, error) {
|
||||
args := new(FilterIdArgs)
|
||||
if err := self.codec.Decode(req.Params, &args); err != nil {
|
||||
return nil, shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
switch self.xeth.GetFilterType(args.Id) {
|
||||
case xeth.BlockFilterTy:
|
||||
return NewHashesRes(self.xeth.BlockFilterChanged(args.Id)), nil
|
||||
case xeth.TransactionFilterTy:
|
||||
return NewHashesRes(self.xeth.TransactionFilterChanged(args.Id)), nil
|
||||
case xeth.LogFilterTy:
|
||||
return NewLogsRes(self.xeth.LogFilterChanged(args.Id)), nil
|
||||
default:
|
||||
return []string{}, nil // reply empty string slice
|
||||
}
|
||||
}
|
||||
|
||||
func (self *EthApi) GetFilterLogs(req *shared.Request) (interface{}, error) {
|
||||
args := new(FilterIdArgs)
|
||||
if err := self.codec.Decode(req.Params, &args); err != nil {
|
||||
return nil, shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
return NewLogsRes(self.xeth.Logs(args.Id)), nil
|
||||
}
|
||||
|
||||
func (self *EthApi) GetLogs(req *shared.Request) (interface{}, error) {
|
||||
args := new(BlockFilterArgs)
|
||||
if err := self.codec.Decode(req.Params, &args); err != nil {
|
||||
return nil, shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
return NewLogsRes(self.xeth.AllLogs(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics)), nil
|
||||
}
|
||||
|
||||
func (self *EthApi) GetWork(req *shared.Request) (interface{}, error) {
|
||||
self.xeth.SetMining(true, 0)
|
||||
return self.xeth.RemoteMining().GetWork(), nil
|
||||
}
|
||||
|
||||
func (self *EthApi) SubmitWork(req *shared.Request) (interface{}, error) {
|
||||
args := new(SubmitWorkArgs)
|
||||
if err := self.codec.Decode(req.Params, &args); err != nil {
|
||||
return nil, shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
return self.xeth.RemoteMining().SubmitWork(args.Nonce, common.HexToHash(args.Digest), common.HexToHash(args.Header)), nil
|
||||
}
|
835
rpc/api/eth_args.go
Normal file
835
rpc/api/eth_args.go
Normal file
@ -0,0 +1,835 @@
|
||||
package api
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"math/big"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/state"
|
||||
"github.com/ethereum/go-ethereum/rpc/shared"
|
||||
)
|
||||
|
||||
const (
|
||||
defaultLogLimit = 100
|
||||
defaultLogOffset = 0
|
||||
)
|
||||
|
||||
type GetBalanceArgs struct {
|
||||
Address string
|
||||
BlockNumber int64
|
||||
}
|
||||
|
||||
func (args *GetBalanceArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
addstr, ok := obj[0].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("address", "not a string")
|
||||
}
|
||||
args.Address = addstr
|
||||
|
||||
if len(obj) > 1 {
|
||||
if err := blockHeight(obj[1], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
args.BlockNumber = -1
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type GetStorageArgs struct {
|
||||
Address string
|
||||
BlockNumber int64
|
||||
}
|
||||
|
||||
func (args *GetStorageArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
addstr, ok := obj[0].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("address", "not a string")
|
||||
}
|
||||
args.Address = addstr
|
||||
|
||||
if len(obj) > 1 {
|
||||
if err := blockHeight(obj[1], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
args.BlockNumber = -1
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type GetStorageAtArgs struct {
|
||||
Address string
|
||||
BlockNumber int64
|
||||
Key string
|
||||
}
|
||||
|
||||
func (args *GetStorageAtArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 2 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 2)
|
||||
}
|
||||
|
||||
addstr, ok := obj[0].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("address", "not a string")
|
||||
}
|
||||
args.Address = addstr
|
||||
|
||||
keystr, ok := obj[1].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("key", "not a string")
|
||||
}
|
||||
args.Key = keystr
|
||||
|
||||
if len(obj) > 2 {
|
||||
if err := blockHeight(obj[2], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
args.BlockNumber = -1
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type GetTxCountArgs struct {
|
||||
Address string
|
||||
BlockNumber int64
|
||||
}
|
||||
|
||||
func (args *GetTxCountArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
addstr, ok := obj[0].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("address", "not a string")
|
||||
}
|
||||
args.Address = addstr
|
||||
|
||||
if len(obj) > 1 {
|
||||
if err := blockHeight(obj[1], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
args.BlockNumber = -1
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type HashArgs struct {
|
||||
Hash string
|
||||
}
|
||||
|
||||
func (args *HashArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
arg0, ok := obj[0].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("hash", "not a string")
|
||||
}
|
||||
args.Hash = arg0
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type BlockNumArg struct {
|
||||
BlockNumber int64
|
||||
}
|
||||
|
||||
func (args *BlockNumArg) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
if err := blockHeight(obj[0], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type GetDataArgs struct {
|
||||
Address string
|
||||
BlockNumber int64
|
||||
}
|
||||
|
||||
func (args *GetDataArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
addstr, ok := obj[0].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("address", "not a string")
|
||||
}
|
||||
args.Address = addstr
|
||||
|
||||
if len(obj) > 1 {
|
||||
if err := blockHeight(obj[1], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
args.BlockNumber = -1
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type NewSignArgs struct {
|
||||
From string
|
||||
Data string
|
||||
}
|
||||
|
||||
func (args *NewSignArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []json.RawMessage
|
||||
var ext struct {
|
||||
From string
|
||||
Data string
|
||||
}
|
||||
|
||||
// Decode byte slice to array of RawMessages
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
// Check for sufficient params
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
// Decode 0th RawMessage to temporary struct
|
||||
if err := json.Unmarshal(obj[0], &ext); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(ext.From) == 0 {
|
||||
return shared.NewValidationError("from", "is required")
|
||||
}
|
||||
|
||||
if len(ext.Data) == 0 {
|
||||
return shared.NewValidationError("data", "is required")
|
||||
}
|
||||
|
||||
args.From = ext.From
|
||||
args.Data = ext.Data
|
||||
return nil
|
||||
}
|
||||
|
||||
type NewTxArgs struct {
|
||||
From string
|
||||
To string
|
||||
Nonce *big.Int
|
||||
Value *big.Int
|
||||
Gas *big.Int
|
||||
GasPrice *big.Int
|
||||
Data string
|
||||
|
||||
BlockNumber int64
|
||||
}
|
||||
|
||||
func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []json.RawMessage
|
||||
var ext struct {
|
||||
From string
|
||||
To string
|
||||
Nonce interface{}
|
||||
Value interface{}
|
||||
Gas interface{}
|
||||
GasPrice interface{}
|
||||
Data string
|
||||
}
|
||||
|
||||
// Decode byte slice to array of RawMessages
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
// Check for sufficient params
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
// Decode 0th RawMessage to temporary struct
|
||||
if err := json.Unmarshal(obj[0], &ext); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(ext.From) == 0 {
|
||||
return shared.NewValidationError("from", "is required")
|
||||
}
|
||||
|
||||
args.From = ext.From
|
||||
args.To = ext.To
|
||||
args.Data = ext.Data
|
||||
|
||||
var num *big.Int
|
||||
if ext.Nonce != nil {
|
||||
num, err = numString(ext.Nonce)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.Nonce = num
|
||||
|
||||
if ext.Value == nil {
|
||||
num = big.NewInt(0)
|
||||
} else {
|
||||
num, err = numString(ext.Value)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.Value = num
|
||||
|
||||
num = nil
|
||||
if ext.Gas == nil {
|
||||
num = big.NewInt(0)
|
||||
} else {
|
||||
if num, err = numString(ext.Gas); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.Gas = num
|
||||
|
||||
num = nil
|
||||
if ext.GasPrice == nil {
|
||||
num = big.NewInt(0)
|
||||
} else {
|
||||
if num, err = numString(ext.GasPrice); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.GasPrice = num
|
||||
|
||||
// Check for optional BlockNumber param
|
||||
if len(obj) > 1 {
|
||||
if err := blockHeightFromJson(obj[1], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
args.BlockNumber = -1
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type SourceArgs struct {
|
||||
Source string
|
||||
}
|
||||
|
||||
func (args *SourceArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
arg0, ok := obj[0].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("source code", "not a string")
|
||||
}
|
||||
args.Source = arg0
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type CallArgs struct {
|
||||
From string
|
||||
To string
|
||||
Value *big.Int
|
||||
Gas *big.Int
|
||||
GasPrice *big.Int
|
||||
Data string
|
||||
|
||||
BlockNumber int64
|
||||
}
|
||||
|
||||
func (args *CallArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []json.RawMessage
|
||||
var ext struct {
|
||||
From string
|
||||
To string
|
||||
Value interface{}
|
||||
Gas interface{}
|
||||
GasPrice interface{}
|
||||
Data string
|
||||
}
|
||||
|
||||
// Decode byte slice to array of RawMessages
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
// Check for sufficient params
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
// Decode 0th RawMessage to temporary struct
|
||||
if err := json.Unmarshal(obj[0], &ext); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
args.From = ext.From
|
||||
|
||||
if len(ext.To) == 0 {
|
||||
return shared.NewValidationError("to", "is required")
|
||||
}
|
||||
args.To = ext.To
|
||||
|
||||
var num *big.Int
|
||||
if ext.Value == nil {
|
||||
num = big.NewInt(0)
|
||||
} else {
|
||||
if num, err = numString(ext.Value); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.Value = num
|
||||
|
||||
if ext.Gas == nil {
|
||||
num = big.NewInt(0)
|
||||
} else {
|
||||
if num, err = numString(ext.Gas); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.Gas = num
|
||||
|
||||
if ext.GasPrice == nil {
|
||||
num = big.NewInt(0)
|
||||
} else {
|
||||
if num, err = numString(ext.GasPrice); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.GasPrice = num
|
||||
|
||||
args.Data = ext.Data
|
||||
|
||||
// Check for optional BlockNumber param
|
||||
if len(obj) > 1 {
|
||||
if err := blockHeightFromJson(obj[1], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
args.BlockNumber = -1
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type HashIndexArgs struct {
|
||||
Hash string
|
||||
Index int64
|
||||
}
|
||||
|
||||
func (args *HashIndexArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 2 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 2)
|
||||
}
|
||||
|
||||
arg0, ok := obj[0].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("hash", "not a string")
|
||||
}
|
||||
args.Hash = arg0
|
||||
|
||||
arg1, ok := obj[1].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("index", "not a string")
|
||||
}
|
||||
args.Index = common.Big(arg1).Int64()
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type BlockNumIndexArgs struct {
|
||||
BlockNumber int64
|
||||
Index int64
|
||||
}
|
||||
|
||||
func (args *BlockNumIndexArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 2 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 2)
|
||||
}
|
||||
|
||||
if err := blockHeight(obj[0], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
var arg1 *big.Int
|
||||
if arg1, err = numString(obj[1]); err != nil {
|
||||
return err
|
||||
}
|
||||
args.Index = arg1.Int64()
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type GetBlockByHashArgs struct {
|
||||
BlockHash string
|
||||
IncludeTxs bool
|
||||
}
|
||||
|
||||
func (args *GetBlockByHashArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 2 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 2)
|
||||
}
|
||||
|
||||
argstr, ok := obj[0].(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("blockHash", "not a string")
|
||||
}
|
||||
args.BlockHash = argstr
|
||||
|
||||
args.IncludeTxs = obj[1].(bool)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type GetBlockByNumberArgs struct {
|
||||
BlockNumber int64
|
||||
IncludeTxs bool
|
||||
}
|
||||
|
||||
func (args *GetBlockByNumberArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 2 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 2)
|
||||
}
|
||||
|
||||
if err := blockHeight(obj[0], &args.BlockNumber); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
args.IncludeTxs = obj[1].(bool)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type BlockFilterArgs struct {
|
||||
Earliest int64
|
||||
Latest int64
|
||||
Address []string
|
||||
Topics [][]string
|
||||
Skip int
|
||||
Max int
|
||||
}
|
||||
|
||||
func (args *BlockFilterArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []struct {
|
||||
FromBlock interface{} `json:"fromBlock"`
|
||||
ToBlock interface{} `json:"toBlock"`
|
||||
Limit interface{} `json:"limit"`
|
||||
Offset interface{} `json:"offset"`
|
||||
Address interface{} `json:"address"`
|
||||
Topics interface{} `json:"topics"`
|
||||
}
|
||||
|
||||
if err = json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
// args.Earliest, err = toNumber(obj[0].ToBlock)
|
||||
// if err != nil {
|
||||
// return shared.NewDecodeParamError(fmt.Sprintf("FromBlock %v", err))
|
||||
// }
|
||||
// args.Latest, err = toNumber(obj[0].FromBlock)
|
||||
// if err != nil {
|
||||
// return shared.NewDecodeParamError(fmt.Sprintf("ToBlock %v", err))
|
||||
|
||||
var num int64
|
||||
var numBig *big.Int
|
||||
|
||||
// if blank then latest
|
||||
if obj[0].FromBlock == nil {
|
||||
num = -1
|
||||
} else {
|
||||
if err := blockHeight(obj[0].FromBlock, &num); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
// if -2 or other "silly" number, use latest
|
||||
if num < 0 {
|
||||
args.Earliest = -1 //latest block
|
||||
} else {
|
||||
args.Earliest = num
|
||||
}
|
||||
|
||||
// if blank than latest
|
||||
if obj[0].ToBlock == nil {
|
||||
num = -1
|
||||
} else {
|
||||
if err := blockHeight(obj[0].ToBlock, &num); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.Latest = num
|
||||
|
||||
if obj[0].Limit == nil {
|
||||
numBig = big.NewInt(defaultLogLimit)
|
||||
} else {
|
||||
if numBig, err = numString(obj[0].Limit); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.Max = int(numBig.Int64())
|
||||
|
||||
if obj[0].Offset == nil {
|
||||
numBig = big.NewInt(defaultLogOffset)
|
||||
} else {
|
||||
if numBig, err = numString(obj[0].Offset); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
args.Skip = int(numBig.Int64())
|
||||
|
||||
if obj[0].Address != nil {
|
||||
marg, ok := obj[0].Address.([]interface{})
|
||||
if ok {
|
||||
v := make([]string, len(marg))
|
||||
for i, arg := range marg {
|
||||
argstr, ok := arg.(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError(fmt.Sprintf("address[%d]", i), "is not a string")
|
||||
}
|
||||
v[i] = argstr
|
||||
}
|
||||
args.Address = v
|
||||
} else {
|
||||
argstr, ok := obj[0].Address.(string)
|
||||
if ok {
|
||||
v := make([]string, 1)
|
||||
v[0] = argstr
|
||||
args.Address = v
|
||||
} else {
|
||||
return shared.NewInvalidTypeError("address", "is not a string or array")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if obj[0].Topics != nil {
|
||||
other, ok := obj[0].Topics.([]interface{})
|
||||
if ok {
|
||||
topicdbl := make([][]string, len(other))
|
||||
for i, iv := range other {
|
||||
if argstr, ok := iv.(string); ok {
|
||||
// Found a string, push into first element of array
|
||||
topicsgl := make([]string, 1)
|
||||
topicsgl[0] = argstr
|
||||
topicdbl[i] = topicsgl
|
||||
} else if argarray, ok := iv.([]interface{}); ok {
|
||||
// Found an array of other
|
||||
topicdbl[i] = make([]string, len(argarray))
|
||||
for j, jv := range argarray {
|
||||
if v, ok := jv.(string); ok {
|
||||
topicdbl[i][j] = v
|
||||
} else if jv == nil {
|
||||
topicdbl[i][j] = ""
|
||||
} else {
|
||||
return shared.NewInvalidTypeError(fmt.Sprintf("topic[%d][%d]", i, j), "is not a string")
|
||||
}
|
||||
}
|
||||
} else if iv == nil {
|
||||
topicdbl[i] = []string{""}
|
||||
} else {
|
||||
return shared.NewInvalidTypeError(fmt.Sprintf("topic[%d]", i), "not a string or array")
|
||||
}
|
||||
}
|
||||
args.Topics = topicdbl
|
||||
return nil
|
||||
} else {
|
||||
return shared.NewInvalidTypeError("topic", "is not a string or array")
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type FilterIdArgs struct {
|
||||
Id int
|
||||
}
|
||||
|
||||
func (args *FilterIdArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err := json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 1 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 1)
|
||||
}
|
||||
|
||||
var num *big.Int
|
||||
if num, err = numString(obj[0]); err != nil {
|
||||
return err
|
||||
}
|
||||
args.Id = int(num.Int64())
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type LogRes struct {
|
||||
Address *hexdata `json:"address"`
|
||||
Topics []*hexdata `json:"topics"`
|
||||
Data *hexdata `json:"data"`
|
||||
BlockNumber *hexnum `json:"blockNumber"`
|
||||
LogIndex *hexnum `json:"logIndex"`
|
||||
BlockHash *hexdata `json:"blockHash"`
|
||||
TransactionHash *hexdata `json:"transactionHash"`
|
||||
TransactionIndex *hexnum `json:"transactionIndex"`
|
||||
}
|
||||
|
||||
func NewLogRes(log *state.Log) LogRes {
|
||||
var l LogRes
|
||||
l.Topics = make([]*hexdata, len(log.Topics))
|
||||
for j, topic := range log.Topics {
|
||||
l.Topics[j] = newHexData(topic)
|
||||
}
|
||||
l.Address = newHexData(log.Address)
|
||||
l.Data = newHexData(log.Data)
|
||||
l.BlockNumber = newHexNum(log.Number)
|
||||
l.LogIndex = newHexNum(log.Index)
|
||||
l.TransactionHash = newHexData(log.TxHash)
|
||||
l.TransactionIndex = newHexNum(log.TxIndex)
|
||||
l.BlockHash = newHexData(log.BlockHash)
|
||||
|
||||
return l
|
||||
}
|
||||
|
||||
func NewLogsRes(logs state.Logs) (ls []LogRes) {
|
||||
ls = make([]LogRes, len(logs))
|
||||
|
||||
for i, log := range logs {
|
||||
ls[i] = NewLogRes(log)
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func NewHashesRes(hs []common.Hash) []string {
|
||||
hashes := make([]string, len(hs))
|
||||
|
||||
for i, hash := range hs {
|
||||
hashes[i] = hash.Hex()
|
||||
}
|
||||
|
||||
return hashes
|
||||
}
|
||||
|
||||
type SubmitWorkArgs struct {
|
||||
Nonce uint64
|
||||
Header string
|
||||
Digest string
|
||||
}
|
||||
|
||||
func (args *SubmitWorkArgs) UnmarshalJSON(b []byte) (err error) {
|
||||
var obj []interface{}
|
||||
if err = json.Unmarshal(b, &obj); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
|
||||
if len(obj) < 3 {
|
||||
return shared.NewInsufficientParamsError(len(obj), 3)
|
||||
}
|
||||
|
||||
var objstr string
|
||||
var ok bool
|
||||
if objstr, ok = obj[0].(string); !ok {
|
||||
return shared.NewInvalidTypeError("nonce", "not a string")
|
||||
}
|
||||
|
||||
args.Nonce = common.String2Big(objstr).Uint64()
|
||||
if objstr, ok = obj[1].(string); !ok {
|
||||
return shared.NewInvalidTypeError("header", "not a string")
|
||||
}
|
||||
|
||||
args.Header = objstr
|
||||
|
||||
if objstr, ok = obj[2].(string); !ok {
|
||||
return shared.NewInvalidTypeError("digest", "not a string")
|
||||
}
|
||||
|
||||
args.Digest = objstr
|
||||
|
||||
return nil
|
||||
}
|
3
rpc/api/eth_js.go
Normal file
3
rpc/api/eth_js.go
Normal file
@ -0,0 +1,3 @@
|
||||
package api
|
||||
|
||||
// JS api provided by web3.js
|
460
rpc/api/parsing.go
Normal file
460
rpc/api/parsing.go
Normal file
@ -0,0 +1,460 @@
|
||||
package api
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
"encoding/hex"
|
||||
"encoding/json"
|
||||
"math/big"
|
||||
"strings"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/ethereum/go-ethereum/rpc/shared"
|
||||
)
|
||||
|
||||
type hexdata struct {
|
||||
data []byte
|
||||
isNil bool
|
||||
}
|
||||
|
||||
func (d *hexdata) String() string {
|
||||
return "0x" + common.Bytes2Hex(d.data)
|
||||
}
|
||||
|
||||
func (d *hexdata) MarshalJSON() ([]byte, error) {
|
||||
if d.isNil {
|
||||
return json.Marshal(nil)
|
||||
}
|
||||
return json.Marshal(d.String())
|
||||
}
|
||||
|
||||
func newHexData(input interface{}) *hexdata {
|
||||
d := new(hexdata)
|
||||
|
||||
if input == nil {
|
||||
d.isNil = true
|
||||
return d
|
||||
}
|
||||
switch input := input.(type) {
|
||||
case []byte:
|
||||
d.data = input
|
||||
case common.Hash:
|
||||
d.data = input.Bytes()
|
||||
case *common.Hash:
|
||||
if input == nil {
|
||||
d.isNil = true
|
||||
} else {
|
||||
d.data = input.Bytes()
|
||||
}
|
||||
case common.Address:
|
||||
d.data = input.Bytes()
|
||||
case *common.Address:
|
||||
if input == nil {
|
||||
d.isNil = true
|
||||
} else {
|
||||
d.data = input.Bytes()
|
||||
}
|
||||
case types.Bloom:
|
||||
d.data = input.Bytes()
|
||||
case *types.Bloom:
|
||||
if input == nil {
|
||||
d.isNil = true
|
||||
} else {
|
||||
d.data = input.Bytes()
|
||||
}
|
||||
case *big.Int:
|
||||
if input == nil {
|
||||
d.isNil = true
|
||||
} else {
|
||||
d.data = input.Bytes()
|
||||
}
|
||||
case int64:
|
||||
d.data = big.NewInt(input).Bytes()
|
||||
case uint64:
|
||||
buff := make([]byte, 8)
|
||||
binary.BigEndian.PutUint64(buff, input)
|
||||
d.data = buff
|
||||
case int:
|
||||
d.data = big.NewInt(int64(input)).Bytes()
|
||||
case uint:
|
||||
d.data = big.NewInt(int64(input)).Bytes()
|
||||
case int8:
|
||||
d.data = big.NewInt(int64(input)).Bytes()
|
||||
case uint8:
|
||||
d.data = big.NewInt(int64(input)).Bytes()
|
||||
case int16:
|
||||
d.data = big.NewInt(int64(input)).Bytes()
|
||||
case uint16:
|
||||
buff := make([]byte, 2)
|
||||
binary.BigEndian.PutUint16(buff, input)
|
||||
d.data = buff
|
||||
case int32:
|
||||
d.data = big.NewInt(int64(input)).Bytes()
|
||||
case uint32:
|
||||
buff := make([]byte, 4)
|
||||
binary.BigEndian.PutUint32(buff, input)
|
||||
d.data = buff
|
||||
case string: // hexstring
|
||||
// aaargh ffs TODO: avoid back-and-forth hex encodings where unneeded
|
||||
bytes, err := hex.DecodeString(strings.TrimPrefix(input, "0x"))
|
||||
if err != nil {
|
||||
d.isNil = true
|
||||
} else {
|
||||
d.data = bytes
|
||||
}
|
||||
default:
|
||||
d.isNil = true
|
||||
}
|
||||
|
||||
return d
|
||||
}
|
||||
|
||||
type hexnum struct {
|
||||
data []byte
|
||||
isNil bool
|
||||
}
|
||||
|
||||
func (d *hexnum) String() string {
|
||||
// Get hex string from bytes
|
||||
out := common.Bytes2Hex(d.data)
|
||||
// Trim leading 0s
|
||||
out = strings.TrimLeft(out, "0")
|
||||
// Output "0x0" when value is 0
|
||||
if len(out) == 0 {
|
||||
out = "0"
|
||||
}
|
||||
return "0x" + out
|
||||
}
|
||||
|
||||
func (d *hexnum) MarshalJSON() ([]byte, error) {
|
||||
if d.isNil {
|
||||
return json.Marshal(nil)
|
||||
}
|
||||
return json.Marshal(d.String())
|
||||
}
|
||||
|
||||
func newHexNum(input interface{}) *hexnum {
|
||||
d := new(hexnum)
|
||||
|
||||
d.data = newHexData(input).data
|
||||
|
||||
return d
|
||||
}
|
||||
|
||||
type BlockRes struct {
|
||||
fullTx bool
|
||||
|
||||
BlockNumber *hexnum `json:"number"`
|
||||
BlockHash *hexdata `json:"hash"`
|
||||
ParentHash *hexdata `json:"parentHash"`
|
||||
Nonce *hexdata `json:"nonce"`
|
||||
Sha3Uncles *hexdata `json:"sha3Uncles"`
|
||||
LogsBloom *hexdata `json:"logsBloom"`
|
||||
TransactionRoot *hexdata `json:"transactionsRoot"`
|
||||
StateRoot *hexdata `json:"stateRoot"`
|
||||
Miner *hexdata `json:"miner"`
|
||||
Difficulty *hexnum `json:"difficulty"`
|
||||
TotalDifficulty *hexnum `json:"totalDifficulty"`
|
||||
Size *hexnum `json:"size"`
|
||||
ExtraData *hexdata `json:"extraData"`
|
||||
GasLimit *hexnum `json:"gasLimit"`
|
||||
GasUsed *hexnum `json:"gasUsed"`
|
||||
UnixTimestamp *hexnum `json:"timestamp"`
|
||||
Transactions []*TransactionRes `json:"transactions"`
|
||||
Uncles []*UncleRes `json:"uncles"`
|
||||
}
|
||||
|
||||
func (b *BlockRes) MarshalJSON() ([]byte, error) {
|
||||
if b.fullTx {
|
||||
var ext struct {
|
||||
BlockNumber *hexnum `json:"number"`
|
||||
BlockHash *hexdata `json:"hash"`
|
||||
ParentHash *hexdata `json:"parentHash"`
|
||||
Nonce *hexdata `json:"nonce"`
|
||||
Sha3Uncles *hexdata `json:"sha3Uncles"`
|
||||
LogsBloom *hexdata `json:"logsBloom"`
|
||||
TransactionRoot *hexdata `json:"transactionsRoot"`
|
||||
StateRoot *hexdata `json:"stateRoot"`
|
||||
Miner *hexdata `json:"miner"`
|
||||
Difficulty *hexnum `json:"difficulty"`
|
||||
TotalDifficulty *hexnum `json:"totalDifficulty"`
|
||||
Size *hexnum `json:"size"`
|
||||
ExtraData *hexdata `json:"extraData"`
|
||||
GasLimit *hexnum `json:"gasLimit"`
|
||||
GasUsed *hexnum `json:"gasUsed"`
|
||||
UnixTimestamp *hexnum `json:"timestamp"`
|
||||
Transactions []*TransactionRes `json:"transactions"`
|
||||
Uncles []*hexdata `json:"uncles"`
|
||||
}
|
||||
|
||||
ext.BlockNumber = b.BlockNumber
|
||||
ext.BlockHash = b.BlockHash
|
||||
ext.ParentHash = b.ParentHash
|
||||
ext.Nonce = b.Nonce
|
||||
ext.Sha3Uncles = b.Sha3Uncles
|
||||
ext.LogsBloom = b.LogsBloom
|
||||
ext.TransactionRoot = b.TransactionRoot
|
||||
ext.StateRoot = b.StateRoot
|
||||
ext.Miner = b.Miner
|
||||
ext.Difficulty = b.Difficulty
|
||||
ext.TotalDifficulty = b.TotalDifficulty
|
||||
ext.Size = b.Size
|
||||
ext.ExtraData = b.ExtraData
|
||||
ext.GasLimit = b.GasLimit
|
||||
ext.GasUsed = b.GasUsed
|
||||
ext.UnixTimestamp = b.UnixTimestamp
|
||||
ext.Transactions = b.Transactions
|
||||
ext.Uncles = make([]*hexdata, len(b.Uncles))
|
||||
for i, u := range b.Uncles {
|
||||
ext.Uncles[i] = u.BlockHash
|
||||
}
|
||||
return json.Marshal(ext)
|
||||
} else {
|
||||
var ext struct {
|
||||
BlockNumber *hexnum `json:"number"`
|
||||
BlockHash *hexdata `json:"hash"`
|
||||
ParentHash *hexdata `json:"parentHash"`
|
||||
Nonce *hexdata `json:"nonce"`
|
||||
Sha3Uncles *hexdata `json:"sha3Uncles"`
|
||||
LogsBloom *hexdata `json:"logsBloom"`
|
||||
TransactionRoot *hexdata `json:"transactionsRoot"`
|
||||
StateRoot *hexdata `json:"stateRoot"`
|
||||
Miner *hexdata `json:"miner"`
|
||||
Difficulty *hexnum `json:"difficulty"`
|
||||
TotalDifficulty *hexnum `json:"totalDifficulty"`
|
||||
Size *hexnum `json:"size"`
|
||||
ExtraData *hexdata `json:"extraData"`
|
||||
GasLimit *hexnum `json:"gasLimit"`
|
||||
GasUsed *hexnum `json:"gasUsed"`
|
||||
UnixTimestamp *hexnum `json:"timestamp"`
|
||||
Transactions []*hexdata `json:"transactions"`
|
||||
Uncles []*hexdata `json:"uncles"`
|
||||
}
|
||||
|
||||
ext.BlockNumber = b.BlockNumber
|
||||
ext.BlockHash = b.BlockHash
|
||||
ext.ParentHash = b.ParentHash
|
||||
ext.Nonce = b.Nonce
|
||||
ext.Sha3Uncles = b.Sha3Uncles
|
||||
ext.LogsBloom = b.LogsBloom
|
||||
ext.TransactionRoot = b.TransactionRoot
|
||||
ext.StateRoot = b.StateRoot
|
||||
ext.Miner = b.Miner
|
||||
ext.Difficulty = b.Difficulty
|
||||
ext.TotalDifficulty = b.TotalDifficulty
|
||||
ext.Size = b.Size
|
||||
ext.ExtraData = b.ExtraData
|
||||
ext.GasLimit = b.GasLimit
|
||||
ext.GasUsed = b.GasUsed
|
||||
ext.UnixTimestamp = b.UnixTimestamp
|
||||
ext.Transactions = make([]*hexdata, len(b.Transactions))
|
||||
for i, tx := range b.Transactions {
|
||||
ext.Transactions[i] = tx.Hash
|
||||
}
|
||||
ext.Uncles = make([]*hexdata, len(b.Uncles))
|
||||
for i, u := range b.Uncles {
|
||||
ext.Uncles[i] = u.BlockHash
|
||||
}
|
||||
return json.Marshal(ext)
|
||||
}
|
||||
}
|
||||
|
||||
func NewBlockRes(block *types.Block, fullTx bool) *BlockRes {
|
||||
if block == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
res := new(BlockRes)
|
||||
res.fullTx = fullTx
|
||||
res.BlockNumber = newHexNum(block.Number())
|
||||
res.BlockHash = newHexData(block.Hash())
|
||||
res.ParentHash = newHexData(block.ParentHash())
|
||||
res.Nonce = newHexData(block.Nonce())
|
||||
res.Sha3Uncles = newHexData(block.Header().UncleHash)
|
||||
res.LogsBloom = newHexData(block.Bloom())
|
||||
res.TransactionRoot = newHexData(block.Header().TxHash)
|
||||
res.StateRoot = newHexData(block.Root())
|
||||
res.Miner = newHexData(block.Header().Coinbase)
|
||||
res.Difficulty = newHexNum(block.Difficulty())
|
||||
res.TotalDifficulty = newHexNum(block.Td)
|
||||
res.Size = newHexNum(block.Size().Int64())
|
||||
res.ExtraData = newHexData(block.Header().Extra)
|
||||
res.GasLimit = newHexNum(block.GasLimit())
|
||||
res.GasUsed = newHexNum(block.GasUsed())
|
||||
res.UnixTimestamp = newHexNum(block.Time())
|
||||
|
||||
res.Transactions = make([]*TransactionRes, len(block.Transactions()))
|
||||
for i, tx := range block.Transactions() {
|
||||
res.Transactions[i] = NewTransactionRes(tx)
|
||||
res.Transactions[i].BlockHash = res.BlockHash
|
||||
res.Transactions[i].BlockNumber = res.BlockNumber
|
||||
res.Transactions[i].TxIndex = newHexNum(i)
|
||||
}
|
||||
|
||||
res.Uncles = make([]*UncleRes, len(block.Uncles()))
|
||||
for i, uncle := range block.Uncles() {
|
||||
res.Uncles[i] = NewUncleRes(uncle)
|
||||
}
|
||||
|
||||
return res
|
||||
}
|
||||
|
||||
type TransactionRes struct {
|
||||
Hash *hexdata `json:"hash"`
|
||||
Nonce *hexnum `json:"nonce"`
|
||||
BlockHash *hexdata `json:"blockHash"`
|
||||
BlockNumber *hexnum `json:"blockNumber"`
|
||||
TxIndex *hexnum `json:"transactionIndex"`
|
||||
From *hexdata `json:"from"`
|
||||
To *hexdata `json:"to"`
|
||||
Value *hexnum `json:"value"`
|
||||
Gas *hexnum `json:"gas"`
|
||||
GasPrice *hexnum `json:"gasPrice"`
|
||||
Input *hexdata `json:"input"`
|
||||
}
|
||||
|
||||
func NewTransactionRes(tx *types.Transaction) *TransactionRes {
|
||||
if tx == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
var v = new(TransactionRes)
|
||||
v.Hash = newHexData(tx.Hash())
|
||||
v.Nonce = newHexNum(tx.Nonce())
|
||||
// v.BlockHash =
|
||||
// v.BlockNumber =
|
||||
// v.TxIndex =
|
||||
from, _ := tx.From()
|
||||
v.From = newHexData(from)
|
||||
v.To = newHexData(tx.To())
|
||||
v.Value = newHexNum(tx.Value())
|
||||
v.Gas = newHexNum(tx.Gas())
|
||||
v.GasPrice = newHexNum(tx.GasPrice())
|
||||
v.Input = newHexData(tx.Data())
|
||||
return v
|
||||
}
|
||||
|
||||
type UncleRes struct {
|
||||
BlockNumber *hexnum `json:"number"`
|
||||
BlockHash *hexdata `json:"hash"`
|
||||
ParentHash *hexdata `json:"parentHash"`
|
||||
Nonce *hexdata `json:"nonce"`
|
||||
Sha3Uncles *hexdata `json:"sha3Uncles"`
|
||||
ReceiptHash *hexdata `json:"receiptHash"`
|
||||
LogsBloom *hexdata `json:"logsBloom"`
|
||||
TransactionRoot *hexdata `json:"transactionsRoot"`
|
||||
StateRoot *hexdata `json:"stateRoot"`
|
||||
Miner *hexdata `json:"miner"`
|
||||
Difficulty *hexnum `json:"difficulty"`
|
||||
ExtraData *hexdata `json:"extraData"`
|
||||
GasLimit *hexnum `json:"gasLimit"`
|
||||
GasUsed *hexnum `json:"gasUsed"`
|
||||
UnixTimestamp *hexnum `json:"timestamp"`
|
||||
}
|
||||
|
||||
func NewUncleRes(h *types.Header) *UncleRes {
|
||||
if h == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
var v = new(UncleRes)
|
||||
v.BlockNumber = newHexNum(h.Number)
|
||||
v.BlockHash = newHexData(h.Hash())
|
||||
v.ParentHash = newHexData(h.ParentHash)
|
||||
v.Sha3Uncles = newHexData(h.UncleHash)
|
||||
v.Nonce = newHexData(h.Nonce[:])
|
||||
v.LogsBloom = newHexData(h.Bloom)
|
||||
v.TransactionRoot = newHexData(h.TxHash)
|
||||
v.StateRoot = newHexData(h.Root)
|
||||
v.Miner = newHexData(h.Coinbase)
|
||||
v.Difficulty = newHexNum(h.Difficulty)
|
||||
v.ExtraData = newHexData(h.Extra)
|
||||
v.GasLimit = newHexNum(h.GasLimit)
|
||||
v.GasUsed = newHexNum(h.GasUsed)
|
||||
v.UnixTimestamp = newHexNum(h.Time)
|
||||
v.ReceiptHash = newHexData(h.ReceiptHash)
|
||||
|
||||
return v
|
||||
}
|
||||
|
||||
// type FilterLogRes struct {
|
||||
// Hash string `json:"hash"`
|
||||
// Address string `json:"address"`
|
||||
// Data string `json:"data"`
|
||||
// BlockNumber string `json:"blockNumber"`
|
||||
// TransactionHash string `json:"transactionHash"`
|
||||
// BlockHash string `json:"blockHash"`
|
||||
// TransactionIndex string `json:"transactionIndex"`
|
||||
// LogIndex string `json:"logIndex"`
|
||||
// }
|
||||
|
||||
// type FilterWhisperRes struct {
|
||||
// Hash string `json:"hash"`
|
||||
// From string `json:"from"`
|
||||
// To string `json:"to"`
|
||||
// Expiry string `json:"expiry"`
|
||||
// Sent string `json:"sent"`
|
||||
// Ttl string `json:"ttl"`
|
||||
// Topics string `json:"topics"`
|
||||
// Payload string `json:"payload"`
|
||||
// WorkProved string `json:"workProved"`
|
||||
// }
|
||||
|
||||
func numString(raw interface{}) (*big.Int, error) {
|
||||
var number *big.Int
|
||||
// Parse as integer
|
||||
num, ok := raw.(float64)
|
||||
if ok {
|
||||
number = big.NewInt(int64(num))
|
||||
return number, nil
|
||||
}
|
||||
|
||||
// Parse as string/hexstring
|
||||
str, ok := raw.(string)
|
||||
if ok {
|
||||
number = common.String2Big(str)
|
||||
return number, nil
|
||||
}
|
||||
|
||||
return nil, shared.NewInvalidTypeError("", "not a number or string")
|
||||
}
|
||||
|
||||
func blockHeight(raw interface{}, number *int64) error {
|
||||
// Parse as integer
|
||||
num, ok := raw.(float64)
|
||||
if ok {
|
||||
*number = int64(num)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Parse as string/hexstring
|
||||
str, ok := raw.(string)
|
||||
if !ok {
|
||||
return shared.NewInvalidTypeError("", "not a number or string")
|
||||
}
|
||||
|
||||
switch str {
|
||||
case "earliest":
|
||||
*number = 0
|
||||
case "latest":
|
||||
*number = -1
|
||||
case "pending":
|
||||
*number = -2
|
||||
default:
|
||||
if common.HasHexPrefix(str) {
|
||||
*number = common.String2Big(str).Int64()
|
||||
} else {
|
||||
return shared.NewInvalidTypeError("blockNumber", "is not a valid string")
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func blockHeightFromJson(msg json.RawMessage, number *int64) error {
|
||||
var raw interface{}
|
||||
if err := json.Unmarshal(msg, &raw); err != nil {
|
||||
return shared.NewDecodeParamError(err.Error())
|
||||
}
|
||||
return blockHeight(raw, number)
|
||||
}
|
36
rpc/api/utils.go
Normal file
36
rpc/api/utils.go
Normal file
@ -0,0 +1,36 @@
|
||||
package api
|
||||
|
||||
import (
|
||||
"strings"
|
||||
|
||||
"fmt"
|
||||
|
||||
"github.com/ethereum/go-ethereum/eth"
|
||||
"github.com/ethereum/go-ethereum/rpc/codec"
|
||||
"github.com/ethereum/go-ethereum/xeth"
|
||||
)
|
||||
|
||||
const (
|
||||
EthApiName = "eth"
|
||||
)
|
||||
|
||||
// Parse a comma separated API string to individual api's
|
||||
func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, eth *eth.Ethereum) ([]EthereumApi, error) {
|
||||
if len(strings.TrimSpace(apistr)) == 0 {
|
||||
return nil, fmt.Errorf("Empty apistr provided")
|
||||
}
|
||||
|
||||
names := strings.Split(apistr, ",")
|
||||
apis := make([]EthereumApi, len(names))
|
||||
|
||||
for i, name := range names {
|
||||
switch strings.ToLower(strings.TrimSpace(name)) {
|
||||
case EthApiName:
|
||||
apis[i] = NewEthApi(xeth, codec)
|
||||
default:
|
||||
return nil, fmt.Errorf("Unknown API '%s'", name)
|
||||
}
|
||||
}
|
||||
|
||||
return apis, nil
|
||||
}
|
47
rpc/codec/codec.go
Normal file
47
rpc/codec/codec.go
Normal file
@ -0,0 +1,47 @@
|
||||
package codec
|
||||
|
||||
import (
|
||||
"net"
|
||||
"strconv"
|
||||
|
||||
"github.com/ethereum/go-ethereum/rpc/shared"
|
||||
)
|
||||
|
||||
type Codec int
|
||||
|
||||
// (de)serialization support for rpc interface
|
||||
type ApiCoder interface {
|
||||
// Parse message to request from underlying stream
|
||||
ReadRequest() (*shared.Request, error)
|
||||
// Parse response message from underlying stream
|
||||
ReadResponse() (interface{}, error)
|
||||
// Encode response to encoded form in underlying stream
|
||||
WriteResponse(interface{}) error
|
||||
// Decode single message from data
|
||||
Decode([]byte, interface{}) error
|
||||
// Encode msg to encoded form
|
||||
Encode(msg interface{}) ([]byte, error)
|
||||
// close the underlying stream
|
||||
Close()
|
||||
}
|
||||
|
||||
// supported codecs
|
||||
const (
|
||||
JSON Codec = iota
|
||||
nCodecs
|
||||
)
|
||||
|
||||
var (
|
||||
// collection with supported coders
|
||||
coders = make([]func(net.Conn) ApiCoder, nCodecs)
|
||||
)
|
||||
|
||||
// create a new coder instance
|
||||
func (c Codec) New(conn net.Conn) ApiCoder {
|
||||
switch c {
|
||||
case JSON:
|
||||
return NewJsonCoder(conn)
|
||||
}
|
||||
|
||||
panic("codec: request for codec #" + strconv.Itoa(int(c)) + " is unavailable")
|
||||
}
|
75
rpc/codec/json.go
Normal file
75
rpc/codec/json.go
Normal file
@ -0,0 +1,75 @@
|
||||
package codec
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"net"
|
||||
|
||||
"github.com/ethereum/go-ethereum/rpc/shared"
|
||||
)
|
||||
|
||||
const (
|
||||
MAX_RESPONSE_SIZE = 64 * 1024
|
||||
)
|
||||
|
||||
// Json serialization support
|
||||
type JsonCodec struct {
|
||||
c net.Conn
|
||||
d *json.Decoder
|
||||
e *json.Encoder
|
||||
}
|
||||
|
||||
// Create new JSON coder instance
|
||||
func NewJsonCoder(conn net.Conn) ApiCoder {
|
||||
return &JsonCodec{
|
||||
c: conn,
|
||||
d: json.NewDecoder(conn),
|
||||
e: json.NewEncoder(conn),
|
||||
}
|
||||
}
|
||||
|
||||
// Serialize obj to JSON and write it to conn
|
||||
func (self *JsonCodec) ReadRequest() (*shared.Request, error) {
|
||||
req := shared.Request{}
|
||||
err := self.d.Decode(&req)
|
||||
if err == nil {
|
||||
return &req, nil
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
|
||||
func (self *JsonCodec) ReadResponse() (interface{}, error) {
|
||||
var err error
|
||||
buf := make([]byte, MAX_RESPONSE_SIZE)
|
||||
n, _ := self.c.Read(buf)
|
||||
|
||||
var failure shared.ErrorResponse
|
||||
if err = json.Unmarshal(buf[:n], &failure); err == nil && failure.Error != nil {
|
||||
return failure, nil
|
||||
}
|
||||
|
||||
var success shared.SuccessResponse
|
||||
if err = json.Unmarshal(buf[:n], &success); err == nil {
|
||||
return success, nil
|
||||
}
|
||||
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Encode response to encoded form in underlying stream
|
||||
func (self *JsonCodec) Decode(data []byte, msg interface{}) error {
|
||||
return json.Unmarshal(data, msg)
|
||||
}
|
||||
|
||||
func (self *JsonCodec) Encode(msg interface{}) ([]byte, error) {
|
||||
return json.Marshal(msg)
|
||||
}
|
||||
|
||||
// Parse JSON data from conn to obj
|
||||
func (self *JsonCodec) WriteResponse(res interface{}) error {
|
||||
return self.e.Encode(&res)
|
||||
}
|
||||
|
||||
// Close decoder and encoder
|
||||
func (self *JsonCodec) Close() {
|
||||
self.c.Close()
|
||||
}
|
96
rpc/shared/errors.go
Normal file
96
rpc/shared/errors.go
Normal file
@ -0,0 +1,96 @@
|
||||
package shared
|
||||
|
||||
import "fmt"
|
||||
|
||||
type InvalidTypeError struct {
|
||||
method string
|
||||
msg string
|
||||
}
|
||||
|
||||
func (e *InvalidTypeError) Error() string {
|
||||
return fmt.Sprintf("invalid type on field %s: %s", e.method, e.msg)
|
||||
}
|
||||
|
||||
func NewInvalidTypeError(method, msg string) *InvalidTypeError {
|
||||
return &InvalidTypeError{
|
||||
method: method,
|
||||
msg: msg,
|
||||
}
|
||||
}
|
||||
|
||||
type InsufficientParamsError struct {
|
||||
have int
|
||||
want int
|
||||
}
|
||||
|
||||
func (e *InsufficientParamsError) Error() string {
|
||||
return fmt.Sprintf("insufficient params, want %d have %d", e.want, e.have)
|
||||
}
|
||||
|
||||
func NewInsufficientParamsError(have int, want int) *InsufficientParamsError {
|
||||
return &InsufficientParamsError{
|
||||
have: have,
|
||||
want: want,
|
||||
}
|
||||
}
|
||||
|
||||
type NotImplementedError struct {
|
||||
Method string
|
||||
}
|
||||
|
||||
func (e *NotImplementedError) Error() string {
|
||||
return fmt.Sprintf("%s method not implemented", e.Method)
|
||||
}
|
||||
|
||||
func NewNotImplementedError(method string) *NotImplementedError {
|
||||
return &NotImplementedError{
|
||||
Method: method,
|
||||
}
|
||||
}
|
||||
|
||||
type DecodeParamError struct {
|
||||
err string
|
||||
}
|
||||
|
||||
func (e *DecodeParamError) Error() string {
|
||||
return fmt.Sprintf("could not decode, %s", e.err)
|
||||
|
||||
}
|
||||
|
||||
func NewDecodeParamError(errstr string) error {
|
||||
return &DecodeParamError{
|
||||
err: errstr,
|
||||
}
|
||||
}
|
||||
|
||||
type ValidationError struct {
|
||||
ParamName string
|
||||
msg string
|
||||
}
|
||||
|
||||
func (e *ValidationError) Error() string {
|
||||
return fmt.Sprintf("%s not valid, %s", e.ParamName, e.msg)
|
||||
}
|
||||
|
||||
func NewValidationError(param string, msg string) error {
|
||||
return &ValidationError{
|
||||
ParamName: param,
|
||||
msg: msg,
|
||||
}
|
||||
}
|
||||
|
||||
type NotAvailableError struct {
|
||||
Method string
|
||||
Reason string
|
||||
}
|
||||
|
||||
func (e *NotAvailableError) Error() string {
|
||||
return fmt.Sprintf("%s method not available: %s", e.Method, e.Reason)
|
||||
}
|
||||
|
||||
func NewNotAvailableError(method string, reason string) *NotAvailableError {
|
||||
return &NotAvailableError{
|
||||
Method: method,
|
||||
Reason: reason,
|
||||
}
|
||||
}
|
38
rpc/shared/types.go
Normal file
38
rpc/shared/types.go
Normal file
@ -0,0 +1,38 @@
|
||||
package shared
|
||||
|
||||
import "encoding/json"
|
||||
|
||||
// RPC request
|
||||
type Request struct {
|
||||
Id interface{} `json:"id"`
|
||||
Jsonrpc string `json:"jsonrpc"`
|
||||
Method string `json:"method"`
|
||||
Params json.RawMessage `json:"params"`
|
||||
}
|
||||
|
||||
// RPC response
|
||||
type Response struct {
|
||||
Id interface{} `json:"id"`
|
||||
Jsonrpc string `json:"jsonrpc"`
|
||||
}
|
||||
|
||||
// RPC success response
|
||||
type SuccessResponse struct {
|
||||
Id interface{} `json:"id"`
|
||||
Jsonrpc string `json:"jsonrpc"`
|
||||
Result interface{} `json:"result"`
|
||||
}
|
||||
|
||||
// RPC error response
|
||||
type ErrorResponse struct {
|
||||
Id interface{} `json:"id"`
|
||||
Jsonrpc string `json:"jsonrpc"`
|
||||
Error *ErrorObject `json:"error"`
|
||||
}
|
||||
|
||||
// RPC error response details
|
||||
type ErrorObject struct {
|
||||
Code int `json:"code"`
|
||||
Message string `json:"message"`
|
||||
// Data interface{} `json:"data"`
|
||||
}
|
Loading…
Reference in New Issue
Block a user