3bbeb94c1c
This PR changes long-running chain tracing, so that it at some points releases the memory trie db, and switch over to a fresh disk-backed trie.
362 lines
12 KiB
Go
362 lines
12 KiB
Go
// Copyright 2015 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 eth
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import (
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"context"
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"errors"
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"math/big"
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"time"
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"github.com/ethereum/go-ethereum"
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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/consensus"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/bloombits"
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"github.com/ethereum/go-ethereum/core/rawdb"
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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/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/miner"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc"
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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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extRPCEnabled bool
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allowUnprotectedTxs bool
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eth *Ethereum
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gpo *gasprice.Oracle
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}
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// ChainConfig returns the active chain configuration.
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func (b *EthAPIBackend) ChainConfig() *params.ChainConfig {
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return b.eth.blockchain.Config()
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}
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func (b *EthAPIBackend) CurrentBlock() *types.Block {
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return b.eth.blockchain.CurrentBlock()
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}
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func (b *EthAPIBackend) SetHead(number uint64) {
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b.eth.handler.downloader.Cancel()
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b.eth.blockchain.SetHead(number)
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}
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func (b *EthAPIBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) {
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// Pending block is only known by the miner
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if number == rpc.PendingBlockNumber {
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block := b.eth.miner.PendingBlock()
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return block.Header(), nil
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}
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// Otherwise resolve and return the block
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if number == rpc.LatestBlockNumber {
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return b.eth.blockchain.CurrentBlock().Header(), nil
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}
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return b.eth.blockchain.GetHeaderByNumber(uint64(number)), nil
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}
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func (b *EthAPIBackend) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error) {
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if blockNr, ok := blockNrOrHash.Number(); ok {
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return b.HeaderByNumber(ctx, blockNr)
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}
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if hash, ok := blockNrOrHash.Hash(); ok {
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header := b.eth.blockchain.GetHeaderByHash(hash)
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if header == nil {
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return nil, errors.New("header for hash not found")
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}
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if blockNrOrHash.RequireCanonical && b.eth.blockchain.GetCanonicalHash(header.Number.Uint64()) != hash {
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return nil, errors.New("hash is not currently canonical")
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}
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return header, nil
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}
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return nil, errors.New("invalid arguments; neither block nor hash specified")
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}
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func (b *EthAPIBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
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return b.eth.blockchain.GetHeaderByHash(hash), nil
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}
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func (b *EthAPIBackend) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error) {
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// Pending block is only known by the miner
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if number == rpc.PendingBlockNumber {
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block := b.eth.miner.PendingBlock()
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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 number == 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(number)), nil
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}
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func (b *EthAPIBackend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error) {
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return b.eth.blockchain.GetBlockByHash(hash), nil
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}
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func (b *EthAPIBackend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error) {
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if blockNr, ok := blockNrOrHash.Number(); ok {
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return b.BlockByNumber(ctx, blockNr)
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}
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if hash, ok := blockNrOrHash.Hash(); ok {
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header := b.eth.blockchain.GetHeaderByHash(hash)
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if header == nil {
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return nil, errors.New("header for hash not found")
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}
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if blockNrOrHash.RequireCanonical && b.eth.blockchain.GetCanonicalHash(header.Number.Uint64()) != hash {
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return nil, errors.New("hash is not currently canonical")
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}
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block := b.eth.blockchain.GetBlock(hash, header.Number.Uint64())
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if block == nil {
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return nil, errors.New("header found, but block body is missing")
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}
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return block, nil
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}
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return nil, errors.New("invalid arguments; neither block nor hash specified")
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}
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func (b *EthAPIBackend) PendingBlockAndReceipts() (*types.Block, types.Receipts) {
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return b.eth.miner.PendingBlockAndReceipts()
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}
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func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
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// Pending state is only known by the miner
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if number == rpc.PendingBlockNumber {
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block, state := b.eth.miner.Pending()
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return 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, err := b.HeaderByNumber(ctx, number)
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if err != nil {
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return nil, nil, err
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}
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if header == nil {
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return nil, nil, errors.New("header not found")
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}
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stateDb, err := b.eth.BlockChain().StateAt(header.Root)
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return stateDb, header, err
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}
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func (b *EthAPIBackend) StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error) {
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if blockNr, ok := blockNrOrHash.Number(); ok {
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return b.StateAndHeaderByNumber(ctx, blockNr)
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}
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if hash, ok := blockNrOrHash.Hash(); ok {
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header, err := b.HeaderByHash(ctx, hash)
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if err != nil {
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return nil, nil, err
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}
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if header == nil {
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return nil, nil, errors.New("header for hash not found")
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}
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if blockNrOrHash.RequireCanonical && b.eth.blockchain.GetCanonicalHash(header.Number.Uint64()) != hash {
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return nil, nil, errors.New("hash is not currently canonical")
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}
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stateDb, err := b.eth.BlockChain().StateAt(header.Root)
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return stateDb, header, err
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}
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return nil, nil, errors.New("invalid arguments; neither block nor hash specified")
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}
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func (b *EthAPIBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
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return b.eth.blockchain.GetReceiptsByHash(hash), nil
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}
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func (b *EthAPIBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
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db := b.eth.ChainDb()
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number := rawdb.ReadHeaderNumber(db, hash)
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if number == nil {
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return nil, errors.New("failed to get block number from hash")
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}
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logs := rawdb.ReadLogs(db, hash, *number)
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if logs == nil {
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return nil, errors.New("failed to get logs for block")
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}
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return logs, nil
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}
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func (b *EthAPIBackend) GetTd(ctx context.Context, hash common.Hash) *big.Int {
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if header := b.eth.blockchain.GetHeaderByHash(hash); header != nil {
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return b.eth.blockchain.GetTd(hash, header.Number.Uint64())
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}
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return nil
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}
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func (b *EthAPIBackend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header, vmConfig *vm.Config) (*vm.EVM, func() error, error) {
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vmError := func() error { return nil }
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if vmConfig == nil {
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vmConfig = b.eth.blockchain.GetVMConfig()
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}
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txContext := core.NewEVMTxContext(msg)
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context := core.NewEVMBlockContext(header, b.eth.BlockChain(), nil)
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return vm.NewEVM(context, txContext, state, b.eth.blockchain.Config(), *vmConfig), vmError, nil
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}
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func (b *EthAPIBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription {
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return b.eth.BlockChain().SubscribeRemovedLogsEvent(ch)
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}
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func (b *EthAPIBackend) SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription {
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return b.eth.miner.SubscribePendingLogs(ch)
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}
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func (b *EthAPIBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
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return b.eth.BlockChain().SubscribeChainEvent(ch)
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}
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func (b *EthAPIBackend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription {
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return b.eth.BlockChain().SubscribeChainHeadEvent(ch)
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}
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func (b *EthAPIBackend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription {
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return b.eth.BlockChain().SubscribeChainSideEvent(ch)
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}
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func (b *EthAPIBackend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription {
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return b.eth.BlockChain().SubscribeLogsEvent(ch)
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}
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func (b *EthAPIBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error {
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return b.eth.txPool.AddLocal(signedTx)
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}
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func (b *EthAPIBackend) GetPoolTransactions() (types.Transactions, error) {
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pending := b.eth.txPool.Pending(false)
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var txs types.Transactions
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for _, batch := range pending {
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txs = append(txs, batch...)
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}
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return txs, nil
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}
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func (b *EthAPIBackend) GetPoolTransaction(hash common.Hash) *types.Transaction {
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return b.eth.txPool.Get(hash)
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}
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func (b *EthAPIBackend) GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error) {
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tx, blockHash, blockNumber, index := rawdb.ReadTransaction(b.eth.ChainDb(), txHash)
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return tx, blockHash, blockNumber, index, nil
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}
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func (b *EthAPIBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error) {
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return b.eth.txPool.Nonce(addr), nil
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}
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func (b *EthAPIBackend) Stats() (pending int, queued int) {
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return b.eth.txPool.Stats()
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}
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func (b *EthAPIBackend) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions) {
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return b.eth.TxPool().Content()
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}
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func (b *EthAPIBackend) TxPoolContentFrom(addr common.Address) (types.Transactions, types.Transactions) {
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return b.eth.TxPool().ContentFrom(addr)
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}
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func (b *EthAPIBackend) TxPool() *core.TxPool {
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return b.eth.TxPool()
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}
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func (b *EthAPIBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
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return b.eth.TxPool().SubscribeNewTxsEvent(ch)
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}
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func (b *EthAPIBackend) SyncProgress() ethereum.SyncProgress {
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return b.eth.Downloader().Progress()
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}
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func (b *EthAPIBackend) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
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return b.gpo.SuggestTipCap(ctx)
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}
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func (b *EthAPIBackend) FeeHistory(ctx context.Context, blockCount int, lastBlock rpc.BlockNumber, rewardPercentiles []float64) (firstBlock *big.Int, reward [][]*big.Int, baseFee []*big.Int, gasUsedRatio []float64, err error) {
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return b.gpo.FeeHistory(ctx, blockCount, lastBlock, rewardPercentiles)
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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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func (b *EthAPIBackend) ExtRPCEnabled() bool {
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return b.extRPCEnabled
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}
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func (b *EthAPIBackend) UnprotectedAllowed() bool {
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return b.allowUnprotectedTxs
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}
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func (b *EthAPIBackend) RPCGasCap() uint64 {
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return b.eth.config.RPCGasCap
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}
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func (b *EthAPIBackend) RPCEVMTimeout() time.Duration {
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return b.eth.config.RPCEVMTimeout
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}
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func (b *EthAPIBackend) RPCTxFeeCap() float64 {
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return b.eth.config.RPCTxFeeCap
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}
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func (b *EthAPIBackend) BloomStatus() (uint64, uint64) {
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sections, _, _ := b.eth.bloomIndexer.Sections()
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return params.BloomBitsBlocks, sections
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}
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func (b *EthAPIBackend) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession) {
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for i := 0; i < bloomFilterThreads; i++ {
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go session.Multiplex(bloomRetrievalBatch, bloomRetrievalWait, b.eth.bloomRequests)
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}
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}
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func (b *EthAPIBackend) Engine() consensus.Engine {
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return b.eth.engine
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}
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func (b *EthAPIBackend) CurrentHeader() *types.Header {
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return b.eth.blockchain.CurrentHeader()
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}
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func (b *EthAPIBackend) Miner() *miner.Miner {
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return b.eth.Miner()
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}
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func (b *EthAPIBackend) StartMining(threads int) error {
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return b.eth.StartMining(threads)
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}
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func (b *EthAPIBackend) StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, checkLive, preferDisk bool) (*state.StateDB, error) {
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return b.eth.stateAtBlock(block, reexec, base, checkLive, preferDisk)
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}
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func (b *EthAPIBackend) StateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (core.Message, vm.BlockContext, *state.StateDB, error) {
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return b.eth.stateAtTransaction(block, txIndex, reexec)
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}
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