mirror of https://github.com/ethereum/go-ethereum
Merge pull request #2159 from zsfelfoldi/light-backend
eth: separate common and full node-specific API and backend servicepull/2759/head
Péter Szilágyi
9 years ago
committed by
GitHub
commit
1e50f5dd28
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// Copyright 2015 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package eth |
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import ( |
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"math/big" |
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"github.com/ethereum/go-ethereum/accounts" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/core" |
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"github.com/ethereum/go-ethereum/core/state" |
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"github.com/ethereum/go-ethereum/core/types" |
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"github.com/ethereum/go-ethereum/core/vm" |
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"github.com/ethereum/go-ethereum/eth/downloader" |
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"github.com/ethereum/go-ethereum/eth/gasprice" |
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"github.com/ethereum/go-ethereum/ethdb" |
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"github.com/ethereum/go-ethereum/event" |
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"github.com/ethereum/go-ethereum/internal/ethapi" |
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rpc "github.com/ethereum/go-ethereum/rpc" |
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"golang.org/x/net/context" |
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) |
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// EthApiBackend implements ethapi.Backend for full nodes
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type EthApiBackend struct { |
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eth *FullNodeService |
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gpo *gasprice.GasPriceOracle |
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} |
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func (b *EthApiBackend) SetHead(number uint64) { |
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b.eth.blockchain.SetHead(number) |
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} |
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func (b *EthApiBackend) HeaderByNumber(blockNr rpc.BlockNumber) *types.Header { |
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// Pending block is only known by the miner
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if blockNr == rpc.PendingBlockNumber { |
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block, _ := b.eth.miner.Pending() |
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return block.Header() |
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} |
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// Otherwise resolve and return the block
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if blockNr == rpc.LatestBlockNumber { |
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return b.eth.blockchain.CurrentBlock().Header() |
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} |
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return b.eth.blockchain.GetHeaderByNumber(uint64(blockNr)) |
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} |
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func (b *EthApiBackend) BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error) { |
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// Pending block is only known by the miner
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if blockNr == rpc.PendingBlockNumber { |
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block, _ := b.eth.miner.Pending() |
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return block, nil |
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} |
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// Otherwise resolve and return the block
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if blockNr == rpc.LatestBlockNumber { |
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return b.eth.blockchain.CurrentBlock(), nil |
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} |
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return b.eth.blockchain.GetBlockByNumber(uint64(blockNr)), nil |
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} |
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func (b *EthApiBackend) StateAndHeaderByNumber(blockNr rpc.BlockNumber) (ethapi.State, *types.Header, error) { |
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// Pending state is only known by the miner
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if blockNr == rpc.PendingBlockNumber { |
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block, state := b.eth.miner.Pending() |
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return EthApiState{state}, block.Header(), nil |
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} |
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// Otherwise resolve the block number and return its state
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header := b.HeaderByNumber(blockNr) |
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if header == nil { |
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return nil, nil, nil |
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} |
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stateDb, err := state.New(header.Root, b.eth.chainDb) |
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return EthApiState{stateDb}, header, err |
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} |
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func (b *EthApiBackend) GetBlock(ctx context.Context, blockHash common.Hash) (*types.Block, error) { |
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return b.eth.blockchain.GetBlockByHash(blockHash), nil |
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} |
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func (b *EthApiBackend) GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error) { |
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return core.GetBlockReceipts(b.eth.chainDb, blockHash, core.GetBlockNumber(b.eth.chainDb, blockHash)), nil |
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} |
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func (b *EthApiBackend) GetTd(blockHash common.Hash) *big.Int { |
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return b.eth.blockchain.GetTdByHash(blockHash) |
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} |
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func (b *EthApiBackend) GetVMEnv(ctx context.Context, msg core.Message, state ethapi.State, header *types.Header) (vm.Environment, func() error, error) { |
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stateDb := state.(EthApiState).state.Copy() |
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addr, _ := msg.From() |
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from := stateDb.GetOrNewStateObject(addr) |
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from.SetBalance(common.MaxBig) |
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vmError := func() error { return nil } |
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return core.NewEnv(stateDb, b.eth.chainConfig, b.eth.blockchain, msg, header, b.eth.chainConfig.VmConfig), vmError, nil |
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} |
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func (b *EthApiBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error { |
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b.eth.txMu.Lock() |
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defer b.eth.txMu.Unlock() |
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b.eth.txPool.SetLocal(signedTx) |
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return b.eth.txPool.Add(signedTx) |
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} |
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func (b *EthApiBackend) RemoveTx(txHash common.Hash) { |
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b.eth.txMu.Lock() |
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defer b.eth.txMu.Unlock() |
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b.eth.txPool.RemoveTx(txHash) |
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} |
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func (b *EthApiBackend) GetPoolTransactions() types.Transactions { |
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b.eth.txMu.Lock() |
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defer b.eth.txMu.Unlock() |
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return b.eth.txPool.GetTransactions() |
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} |
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func (b *EthApiBackend) GetPoolTransaction(txHash common.Hash) *types.Transaction { |
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b.eth.txMu.Lock() |
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defer b.eth.txMu.Unlock() |
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return b.eth.txPool.GetTransaction(txHash) |
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} |
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func (b *EthApiBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error) { |
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b.eth.txMu.Lock() |
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defer b.eth.txMu.Unlock() |
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return b.eth.txPool.State().GetNonce(addr), nil |
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} |
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func (b *EthApiBackend) Stats() (pending int, queued int) { |
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b.eth.txMu.Lock() |
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defer b.eth.txMu.Unlock() |
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return b.eth.txPool.Stats() |
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} |
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func (b *EthApiBackend) TxPoolContent() (map[common.Address]map[uint64][]*types.Transaction, map[common.Address]map[uint64][]*types.Transaction) { |
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b.eth.txMu.Lock() |
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defer b.eth.txMu.Unlock() |
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return b.eth.TxPool().Content() |
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} |
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func (b *EthApiBackend) Downloader() *downloader.Downloader { |
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return b.eth.Downloader() |
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} |
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func (b *EthApiBackend) ProtocolVersion() int { |
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return b.eth.EthVersion() |
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} |
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func (b *EthApiBackend) SuggestPrice(ctx context.Context) (*big.Int, error) { |
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return b.gpo.SuggestPrice(), nil |
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} |
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func (b *EthApiBackend) ChainDb() ethdb.Database { |
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return b.eth.ChainDb() |
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} |
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func (b *EthApiBackend) EventMux() *event.TypeMux { |
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return b.eth.EventMux() |
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} |
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func (b *EthApiBackend) AccountManager() *accounts.Manager { |
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return b.eth.AccountManager() |
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} |
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type EthApiState struct { |
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state *state.StateDB |
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} |
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func (s EthApiState) GetBalance(ctx context.Context, addr common.Address) (*big.Int, error) { |
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return s.state.GetBalance(addr), nil |
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} |
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func (s EthApiState) GetCode(ctx context.Context, addr common.Address) ([]byte, error) { |
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return s.state.GetCode(addr), nil |
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} |
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func (s EthApiState) GetState(ctx context.Context, a common.Address, b common.Hash) (common.Hash, error) { |
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return s.state.GetState(a, b), nil |
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} |
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func (s EthApiState) GetNonce(ctx context.Context, addr common.Address) (uint64, error) { |
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return s.state.GetNonce(addr), nil |
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} |
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File diff suppressed because it is too large
Load Diff
@ -0,0 +1,119 @@ |
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// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// Package ethapi implements the general Ethereum API functions.
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package ethapi |
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import ( |
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"math/big" |
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"github.com/ethereum/go-ethereum/accounts" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/common/compiler" |
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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/core/vm" |
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"github.com/ethereum/go-ethereum/eth/downloader" |
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"github.com/ethereum/go-ethereum/ethdb" |
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"github.com/ethereum/go-ethereum/event" |
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"github.com/ethereum/go-ethereum/rpc" |
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"golang.org/x/net/context" |
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) |
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// Backend interface provides the common API services (that are provided by
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// both full and light clients) with access to necessary functions.
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type Backend interface { |
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// general Ethereum API
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Downloader() *downloader.Downloader |
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ProtocolVersion() int |
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SuggestPrice(ctx context.Context) (*big.Int, error) |
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ChainDb() ethdb.Database |
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EventMux() *event.TypeMux |
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AccountManager() *accounts.Manager |
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// BlockChain API
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SetHead(number uint64) |
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HeaderByNumber(blockNr rpc.BlockNumber) *types.Header |
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BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error) |
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StateAndHeaderByNumber(blockNr rpc.BlockNumber) (State, *types.Header, error) |
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GetBlock(ctx context.Context, blockHash common.Hash) (*types.Block, error) |
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GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error) |
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GetTd(blockHash common.Hash) *big.Int |
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GetVMEnv(ctx context.Context, msg core.Message, state State, header *types.Header) (vm.Environment, func() error, error) |
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// TxPool API
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SendTx(ctx context.Context, signedTx *types.Transaction) error |
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RemoveTx(txHash common.Hash) |
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GetPoolTransactions() types.Transactions |
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GetPoolTransaction(txHash common.Hash) *types.Transaction |
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GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error) |
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Stats() (pending int, queued int) |
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TxPoolContent() (map[common.Address]map[uint64][]*types.Transaction, map[common.Address]map[uint64][]*types.Transaction) |
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} |
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type State interface { |
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GetBalance(ctx context.Context, addr common.Address) (*big.Int, error) |
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GetCode(ctx context.Context, addr common.Address) ([]byte, error) |
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GetState(ctx context.Context, a common.Address, b common.Hash) (common.Hash, error) |
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GetNonce(ctx context.Context, addr common.Address) (uint64, error) |
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} |
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func GetAPIs(apiBackend Backend, solcPath *string, solc **compiler.Solidity) []rpc.API { |
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return []rpc.API{ |
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{ |
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Namespace: "eth", |
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Version: "1.0", |
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Service: NewPublicEthereumAPI(apiBackend, solcPath, solc), |
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Public: true, |
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}, { |
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Namespace: "eth", |
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Version: "1.0", |
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Service: NewPublicBlockChainAPI(apiBackend), |
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Public: true, |
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}, { |
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Namespace: "eth", |
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Version: "1.0", |
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Service: NewPublicTransactionPoolAPI(apiBackend), |
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Public: true, |
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}, { |
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Namespace: "txpool", |
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Version: "1.0", |
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Service: NewPublicTxPoolAPI(apiBackend), |
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Public: true, |
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}, { |
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Namespace: "admin", |
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Version: "1.0", |
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Service: NewPrivateAdminAPI(apiBackend, solcPath, solc), |
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}, { |
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Namespace: "debug", |
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Version: "1.0", |
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Service: NewPublicDebugAPI(apiBackend), |
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Public: true, |
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}, { |
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Namespace: "debug", |
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Version: "1.0", |
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Service: NewPrivateDebugAPI(apiBackend), |
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}, { |
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Namespace: "eth", |
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Version: "1.0", |
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Service: NewPublicAccountAPI(apiBackend.AccountManager()), |
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Public: true, |
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}, { |
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Namespace: "personal", |
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Version: "1.0", |
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Service: NewPrivateAccountAPI(apiBackend), |
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Public: false, |
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}, |
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} |
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} |
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