mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
230 lines
7.4 KiB
230 lines
7.4 KiB
// 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 eth
|
|
|
|
import (
|
|
"context"
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum/accounts"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/common/math"
|
|
"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/eth/gasprice"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/event"
|
|
"github.com/ethereum/go-ethereum/params"
|
|
"github.com/ethereum/go-ethereum/rpc"
|
|
)
|
|
|
|
// EthAPIBackend implements ethapi.Backend for full nodes
|
|
type EthAPIBackend struct {
|
|
extRPCEnabled bool
|
|
eth *Ethereum
|
|
gpo *gasprice.Oracle
|
|
}
|
|
|
|
// ChainConfig returns the active chain configuration.
|
|
func (b *EthAPIBackend) ChainConfig() *params.ChainConfig {
|
|
return b.eth.blockchain.Config()
|
|
}
|
|
|
|
func (b *EthAPIBackend) CurrentBlock() *types.Block {
|
|
return b.eth.blockchain.CurrentBlock()
|
|
}
|
|
|
|
func (b *EthAPIBackend) SetHead(number uint64) {
|
|
b.eth.protocolManager.downloader.Cancel()
|
|
b.eth.blockchain.SetHead(number)
|
|
}
|
|
|
|
func (b *EthAPIBackend) HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error) {
|
|
// Pending block is only known by the miner
|
|
if blockNr == rpc.PendingBlockNumber {
|
|
block := b.eth.miner.PendingBlock()
|
|
return block.Header(), nil
|
|
}
|
|
// Otherwise resolve and return the block
|
|
if blockNr == rpc.LatestBlockNumber {
|
|
return b.eth.blockchain.CurrentBlock().Header(), nil
|
|
}
|
|
return b.eth.blockchain.GetHeaderByNumber(uint64(blockNr)), nil
|
|
}
|
|
|
|
func (b *EthAPIBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
|
|
return b.eth.blockchain.GetHeaderByHash(hash), nil
|
|
}
|
|
|
|
func (b *EthAPIBackend) BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error) {
|
|
// Pending block is only known by the miner
|
|
if blockNr == rpc.PendingBlockNumber {
|
|
block := b.eth.miner.PendingBlock()
|
|
return block, nil
|
|
}
|
|
// Otherwise resolve and return the block
|
|
if blockNr == rpc.LatestBlockNumber {
|
|
return b.eth.blockchain.CurrentBlock(), nil
|
|
}
|
|
return b.eth.blockchain.GetBlockByNumber(uint64(blockNr)), nil
|
|
}
|
|
|
|
func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
|
|
// Pending state is only known by the miner
|
|
if blockNr == rpc.PendingBlockNumber {
|
|
block, state := b.eth.miner.Pending()
|
|
return state, block.Header(), nil
|
|
}
|
|
// Otherwise resolve the block number and return its state
|
|
header, err := b.HeaderByNumber(ctx, blockNr)
|
|
if header == nil || err != nil {
|
|
return nil, nil, err
|
|
}
|
|
stateDb, err := b.eth.BlockChain().StateAt(header.Root)
|
|
return stateDb, header, err
|
|
}
|
|
|
|
func (b *EthAPIBackend) GetBlock(ctx context.Context, hash common.Hash) (*types.Block, error) {
|
|
return b.eth.blockchain.GetBlockByHash(hash), nil
|
|
}
|
|
|
|
func (b *EthAPIBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
|
|
return b.eth.blockchain.GetReceiptsByHash(hash), nil
|
|
}
|
|
|
|
func (b *EthAPIBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
|
|
receipts := b.eth.blockchain.GetReceiptsByHash(hash)
|
|
if receipts == nil {
|
|
return nil, nil
|
|
}
|
|
logs := make([][]*types.Log, len(receipts))
|
|
for i, receipt := range receipts {
|
|
logs[i] = receipt.Logs
|
|
}
|
|
return logs, nil
|
|
}
|
|
|
|
func (b *EthAPIBackend) GetTd(blockHash common.Hash) *big.Int {
|
|
return b.eth.blockchain.GetTdByHash(blockHash)
|
|
}
|
|
|
|
func (b *EthAPIBackend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header) (*vm.EVM, func() error, error) {
|
|
state.SetBalance(msg.From(), math.MaxBig256)
|
|
vmError := func() error { return nil }
|
|
|
|
context := core.NewEVMContext(msg, header, b.eth.BlockChain(), nil)
|
|
return vm.NewEVM(context, state, b.eth.blockchain.Config(), *b.eth.blockchain.GetVMConfig()), vmError, nil
|
|
}
|
|
|
|
func (b *EthAPIBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription {
|
|
return b.eth.BlockChain().SubscribeRemovedLogsEvent(ch)
|
|
}
|
|
|
|
func (b *EthAPIBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
|
|
return b.eth.BlockChain().SubscribeChainEvent(ch)
|
|
}
|
|
|
|
func (b *EthAPIBackend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription {
|
|
return b.eth.BlockChain().SubscribeChainHeadEvent(ch)
|
|
}
|
|
|
|
func (b *EthAPIBackend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription {
|
|
return b.eth.BlockChain().SubscribeChainSideEvent(ch)
|
|
}
|
|
|
|
func (b *EthAPIBackend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription {
|
|
return b.eth.BlockChain().SubscribeLogsEvent(ch)
|
|
}
|
|
|
|
func (b *EthAPIBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error {
|
|
return b.eth.txPool.AddLocal(signedTx)
|
|
}
|
|
|
|
func (b *EthAPIBackend) GetPoolTransactions() (types.Transactions, error) {
|
|
pending, err := b.eth.txPool.Pending()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var txs types.Transactions
|
|
for _, batch := range pending {
|
|
txs = append(txs, batch...)
|
|
}
|
|
return txs, nil
|
|
}
|
|
|
|
func (b *EthAPIBackend) GetPoolTransaction(hash common.Hash) *types.Transaction {
|
|
return b.eth.txPool.Get(hash)
|
|
}
|
|
|
|
func (b *EthAPIBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error) {
|
|
return b.eth.txPool.State().GetNonce(addr), nil
|
|
}
|
|
|
|
func (b *EthAPIBackend) Stats() (pending int, queued int) {
|
|
return b.eth.txPool.Stats()
|
|
}
|
|
|
|
func (b *EthAPIBackend) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions) {
|
|
return b.eth.TxPool().Content()
|
|
}
|
|
|
|
func (b *EthAPIBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
|
|
return b.eth.TxPool().SubscribeNewTxsEvent(ch)
|
|
}
|
|
|
|
func (b *EthAPIBackend) Downloader() *downloader.Downloader {
|
|
return b.eth.Downloader()
|
|
}
|
|
|
|
func (b *EthAPIBackend) ProtocolVersion() int {
|
|
return b.eth.EthVersion()
|
|
}
|
|
|
|
func (b *EthAPIBackend) SuggestPrice(ctx context.Context) (*big.Int, error) {
|
|
return b.gpo.SuggestPrice(ctx)
|
|
}
|
|
|
|
func (b *EthAPIBackend) ChainDb() ethdb.Database {
|
|
return b.eth.ChainDb()
|
|
}
|
|
|
|
func (b *EthAPIBackend) EventMux() *event.TypeMux {
|
|
return b.eth.EventMux()
|
|
}
|
|
|
|
func (b *EthAPIBackend) AccountManager() *accounts.Manager {
|
|
return b.eth.AccountManager()
|
|
}
|
|
|
|
func (b *EthAPIBackend) ExtRPCEnabled() bool {
|
|
return b.extRPCEnabled
|
|
}
|
|
|
|
func (b *EthAPIBackend) BloomStatus() (uint64, uint64) {
|
|
sections, _, _ := b.eth.bloomIndexer.Sections()
|
|
return params.BloomBitsBlocks, sections
|
|
}
|
|
|
|
func (b *EthAPIBackend) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession) {
|
|
for i := 0; i < bloomFilterThreads; i++ {
|
|
go session.Multiplex(bloomRetrievalBatch, bloomRetrievalWait, b.eth.bloomRequests)
|
|
}
|
|
}
|
|
|