// Copyright 2015 The go-ethereum Authors // This file is part of the go-ethereum library. // // The go-ethereum library is free software: you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // The go-ethereum library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. // Package ethapi implements the general Ethereum API functions. package ethapi import ( "context" "math/big" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/bloombits" "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/core/vm" "github.com/ethereum/go-ethereum/eth/downloader" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/params" "github.com/ethereum/go-ethereum/rpc" ) // Backend interface provides the common API services (that are provided by // both full and light clients) with access to necessary functions. type Backend interface { // General Ethereum API Downloader() *downloader.Downloader ProtocolVersion() int SuggestPrice(ctx context.Context) (*big.Int, error) ChainDb() ethdb.Database EventMux() *event.TypeMux AccountManager() *accounts.Manager ExtRPCEnabled() bool RPCGasCap() *big.Int // global gas cap for eth_call over rpc: DoS protection // Blockchain API SetHead(number uint64) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error) BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) GetTd(hash common.Hash) *big.Int GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header) (*vm.EVM, func() error, error) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription // Transaction pool API SendTx(ctx context.Context, signedTx *types.Transaction) error GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error) GetPoolTransactions() (types.Transactions, error) GetPoolTransaction(txHash common.Hash) *types.Transaction GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error) Stats() (pending int, queued int) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions) SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription // Filter API BloomStatus() (uint64, uint64) GetLogs(ctx context.Context, blockHash common.Hash) ([][]*types.Log, error) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription ChainConfig() *params.ChainConfig CurrentBlock() *types.Block } func GetAPIs(apiBackend Backend) []rpc.API { nonceLock := new(AddrLocker) return []rpc.API{ { Namespace: "eth", Version: "1.0", Service: NewPublicEthereumAPI(apiBackend), Public: true, }, { Namespace: "eth", Version: "1.0", Service: NewPublicBlockChainAPI(apiBackend), Public: true, }, { Namespace: "eth", Version: "1.0", Service: NewPublicTransactionPoolAPI(apiBackend, nonceLock), Public: true, }, { Namespace: "txpool", Version: "1.0", Service: NewPublicTxPoolAPI(apiBackend), Public: true, }, { Namespace: "debug", Version: "1.0", Service: NewPublicDebugAPI(apiBackend), Public: true, }, { Namespace: "debug", Version: "1.0", Service: NewPrivateDebugAPI(apiBackend), }, { Namespace: "eth", Version: "1.0", Service: NewPublicAccountAPI(apiBackend.AccountManager()), Public: true, }, { Namespace: "personal", Version: "1.0", Service: NewPrivateAccountAPI(apiBackend, nonceLock), Public: false, }, } }