207 lines
6.3 KiB
Go
207 lines
6.3 KiB
Go
|
// Copyright 2015 The go-ethereum Authors
|
||
|
|
// This file is part of go-ethereum.
|
||
|
|
//
|
||
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
||
|
|
// it under the terms of the GNU General Public License as published by
|
||
|
|
// the Free Software Foundation, either version 3 of the License, or
|
||
|
|
// (at your option) any later version.
|
||
|
|
//
|
||
|
|
// go-ethereum 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 General Public License for more details.
|
||
|
|
//
|
||
|
|
// You should have received a copy of the GNU General Public License
|
||
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
package eth
|
||
|
|
|
||
|
|
import (
|
||
|
|
"math/big"
|
||
|
|
|
||
|
|
"github.com/ethereum/go-ethereum/accounts"
|
||
|
|
"github.com/ethereum/go-ethereum/common"
|
||
|
|
"github.com/ethereum/go-ethereum/common/compiler"
|
||
|
|
"github.com/ethereum/go-ethereum/core"
|
||
|
|
"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/ethapi"
|
||
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
||
|
|
"github.com/ethereum/go-ethereum/event"
|
||
|
|
rpc "github.com/ethereum/go-ethereum/rpc"
|
||
|
|
"golang.org/x/net/context"
|
||
|
|
)
|
||
|
|
|
||
|
|
// EthApiBackend implements ethapi.Backend for full nodes
|
||
|
|
type EthApiBackend struct {
|
||
|
|
eth *FullNodeService
|
||
|
|
gpo *gasprice.GasPriceOracle
|
||
|
|
SolcPath string
|
||
|
|
solc *compiler.Solidity
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) SetHead(number uint64) {
|
||
|
|
b.eth.blockchain.SetHead(number)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) HeaderByNumber(blockNr rpc.BlockNumber) *types.Header {
|
||
|
|
// Pending block is only known by the miner
|
||
|
|
if blockNr == rpc.PendingBlockNumber {
|
||
|
|
block, _ := b.eth.miner.Pending()
|
||
|
|
return block.Header()
|
||
|
|
}
|
||
|
|
// Otherwise resolve and return the block
|
||
|
|
if blockNr == rpc.LatestBlockNumber {
|
||
|
|
return b.eth.blockchain.CurrentBlock().Header()
|
||
|
|
}
|
||
|
|
return b.eth.blockchain.GetHeaderByNumber(uint64(blockNr))
|
||
|
|
}
|
||
|
|
|
||
|
|
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.Pending()
|
||
|
|
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) StateByNumber(blockNr rpc.BlockNumber) (ethapi.State, error) {
|
||
|
|
// Pending state is only known by the miner
|
||
|
|
if blockNr == rpc.PendingBlockNumber {
|
||
|
|
_, state := b.eth.miner.Pending()
|
||
|
|
return &EthApiState{state}, nil
|
||
|
|
}
|
||
|
|
// Otherwise resolve the block number and return its state
|
||
|
|
header := b.HeaderByNumber(blockNr)
|
||
|
|
if header == nil {
|
||
|
|
return nil, nil
|
||
|
|
}
|
||
|
|
stateDb, err := state.New(header.Root, b.eth.chainDb)
|
||
|
|
return &EthApiState{stateDb}, err
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) GetBlock(ctx context.Context, blockHash common.Hash) (*types.Block, error) {
|
||
|
|
return b.eth.blockchain.GetBlock(blockHash), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) GetState(header *types.Header) (ethapi.State, error) {
|
||
|
|
stateDb, err := state.New(header.Root, b.eth.chainDb)
|
||
|
|
return &EthApiState{stateDb}, err
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error) {
|
||
|
|
return core.GetBlockReceipts(b.eth.chainDb, blockHash), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) GetTd(blockHash common.Hash) *big.Int {
|
||
|
|
return b.eth.blockchain.GetTd(blockHash)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) GetVMEnv(ctx context.Context, msg core.Message, header *types.Header) (vm.Environment, func() error, error) {
|
||
|
|
stateDb, err := state.New(header.Root, b.eth.chainDb)
|
||
|
|
if err != nil {
|
||
|
|
return nil, nil, err
|
||
|
|
}
|
||
|
|
stateDb = stateDb.Copy()
|
||
|
|
addr, _ := msg.From()
|
||
|
|
from := stateDb.GetOrNewStateObject(addr)
|
||
|
|
from.SetBalance(common.MaxBig)
|
||
|
|
vmError := func() error { return nil }
|
||
|
|
return core.NewEnv(stateDb, b.eth.chainConfig, b.eth.blockchain, msg, header, b.eth.chainConfig.VmConfig), vmError, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error {
|
||
|
|
b.eth.txPool.SetLocal(signedTx)
|
||
|
|
return b.eth.txPool.Add(signedTx)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) RemoveTx(txHash common.Hash) {
|
||
|
|
b.eth.txPool.RemoveTx(txHash)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) GetPoolTransactions() types.Transactions {
|
||
|
|
return b.eth.txPool.GetTransactions()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) GetPoolTransaction(txHash common.Hash) *types.Transaction {
|
||
|
|
return b.eth.txPool.GetTransaction(txHash)
|
||
|
|
}
|
||
|
|
|
||
|
|
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]map[uint64][]*types.Transaction, map[common.Address]map[uint64][]*types.Transaction) {
|
||
|
|
return b.eth.TxPool().Content()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) Solc() (*compiler.Solidity, error) {
|
||
|
|
var err error
|
||
|
|
if b.solc == nil {
|
||
|
|
b.solc, err = compiler.New(b.SolcPath)
|
||
|
|
}
|
||
|
|
return b.solc, err
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *EthApiBackend) SetSolc(solcPath string) (*compiler.Solidity, error) {
|
||
|
|
b.SolcPath = solcPath
|
||
|
|
b.solc = nil
|
||
|
|
return b.Solc()
|
||
|
|
}
|
||
|
|
|
||
|
|
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(), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
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()
|
||
|
|
}
|
||
|
|
|
||
|
|
type EthApiState struct {
|
||
|
|
state *state.StateDB
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *EthApiState) GetBalance(ctx context.Context, addr common.Address) (*big.Int, error) {
|
||
|
|
return s.state.GetBalance(addr), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *EthApiState) GetCode(ctx context.Context, addr common.Address) ([]byte, error) {
|
||
|
|
return s.state.GetCode(addr), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *EthApiState) GetState(ctx context.Context, a common.Address, b common.Hash) (common.Hash, error) {
|
||
|
|
return s.state.GetState(a, b), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *EthApiState) GetNonce(ctx context.Context, addr common.Address) (uint64, error) {
|
||
|
|
return s.state.GetNonce(addr), nil
|
||
|
|
}
|