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// 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, blockNr rpc.BlockNumber) (*types.Header, error)
HeaderByHash(ctx context.Context, blockHash common.Hash) (*types.Header, error)
BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error)
StateAndHeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*state.StateDB, *types.Header, error)
GetBlock(ctx context.Context, blockHash common.Hash) (*types.Block, error)
GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)
GetTd(blockHash 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,
},
}
}
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