add necessary code base

1 files changed, 130 insertions, 0 deletions

diff --git a/internal/ethapi/backend.go b/internal/ethapi/backend.go
new file mode 100644
index 0000000..06c6db3
--- /dev/null
+++ b/internal/ethapi/backend.go
@@ -0,0 +1,130 @@
+// 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, number rpc.BlockNumber) (*types.Header, error)
+	HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error)
+	BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
+	BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error)
+	StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error)
+	GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error)
+	GetTd(hash 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,
+		},
+	}
+}