github.com/FUSIONFoundation/efsn@v3.6.2-0.20200916075423-dbb5dd5d2cc7+incompatible/internal/ethapi/backend.go (about)

     1  // Copyright 2015 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  // Package ethapi implements the general Ethereum API functions.
    18  package ethapi
    19  
    20  import (
    21  	"context"
    22  	"math/big"
    23  
    24  	"github.com/FusionFoundation/efsn/accounts"
    25  	"github.com/FusionFoundation/efsn/common"
    26  	"github.com/FusionFoundation/efsn/core"
    27  	"github.com/FusionFoundation/efsn/core/state"
    28  	"github.com/FusionFoundation/efsn/core/types"
    29  	"github.com/FusionFoundation/efsn/core/vm"
    30  	"github.com/FusionFoundation/efsn/eth/downloader"
    31  	"github.com/FusionFoundation/efsn/ethdb"
    32  	"github.com/FusionFoundation/efsn/event"
    33  	"github.com/FusionFoundation/efsn/params"
    34  	"github.com/FusionFoundation/efsn/rpc"
    35  )
    36  
    37  // Backend interface provides the common API services (that are provided by
    38  // both full and light clients) with access to necessary functions.
    39  type Backend interface {
    40  	// General Ethereum API
    41  	Downloader() *downloader.Downloader
    42  	ProtocolVersion() int
    43  	SuggestPrice(ctx context.Context) (*big.Int, error)
    44  	ChainDb() ethdb.Database
    45  	EventMux() *event.TypeMux
    46  	AccountManager() *accounts.Manager
    47  
    48  	// BlockChain API
    49  	SetHead(number uint64)
    50  	HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error)
    51  	BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error)
    52  	StateAndHeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*state.StateDB, *types.Header, error)
    53  	GetBlock(ctx context.Context, blockHash common.Hash) (*types.Block, error)
    54  	GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)
    55  	GetTd(blockHash common.Hash) *big.Int
    56  	GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header, vmCfg vm.Config) (*vm.EVM, func() error, error)
    57  	SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
    58  	SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
    59  	SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription
    60  
    61  	// TxPool API
    62  	SendTx(ctx context.Context, signedTx *types.Transaction) error
    63  	GetPoolTransactions() (types.Transactions, error)
    64  	GetPoolTransaction(txHash common.Hash) *types.Transaction
    65  	GetPoolTransactionByPredicate(predicate func(*types.Transaction) bool) *types.Transaction
    66  	GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error)
    67  	Stats() (pending int, queued int)
    68  	TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions)
    69  	SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
    70  
    71  	ChainConfig() *params.ChainConfig
    72  	CurrentBlock() *types.Block
    73  
    74  	IsMining() bool
    75  	Coinbase() (common.Address, error)
    76  }
    77  
    78  func GetAPIs(apiBackend Backend) []rpc.API {
    79  	nonceLock := new(AddrLocker)
    80  	ppapi := NewPrivateAccountAPI(apiBackend, nonceLock)
    81  	txapi := NewPublicTransactionPoolAPI(apiBackend, nonceLock)
    82  	return []rpc.API{
    83  		{
    84  			Namespace: "eth",
    85  			Version:   "1.0",
    86  			Service:   NewPublicEthereumAPI(apiBackend),
    87  			Public:    true,
    88  		}, {
    89  			Namespace: "eth",
    90  			Version:   "1.0",
    91  			Service:   NewPublicBlockChainAPI(apiBackend),
    92  			Public:    true,
    93  		}, {
    94  			Namespace: "eth",
    95  			Version:   "1.0",
    96  			Service:   txapi,
    97  			Public:    true,
    98  		}, {
    99  			Namespace: "txpool",
   100  			Version:   "1.0",
   101  			Service:   NewPublicTxPoolAPI(apiBackend),
   102  			Public:    true,
   103  		}, {
   104  			Namespace: "debug",
   105  			Version:   "1.0",
   106  			Service:   NewPublicDebugAPI(apiBackend),
   107  			Public:    true,
   108  		}, {
   109  			Namespace: "debug",
   110  			Version:   "1.0",
   111  			Service:   NewPrivateDebugAPI(apiBackend),
   112  		}, {
   113  			Namespace: "eth",
   114  			Version:   "1.0",
   115  			Service:   NewPublicAccountAPI(apiBackend.AccountManager()),
   116  			Public:    true,
   117  		}, {
   118  			Namespace: "personal",
   119  			Version:   "1.0",
   120  			Service:   ppapi,
   121  			Public:    false,
   122  		}, {
   123  			Namespace: "fsn",
   124  			Version:   "1.0",
   125  			Service:   NewPublicFusionAPI(apiBackend),
   126  			Public:    true,
   127  		}, {
   128  			Namespace: "fsn",
   129  			Version:   "1.0",
   130  			Service:   NewPrivateFusionAPI(apiBackend, nonceLock, ppapi),
   131  			Public:    false,
   132  		}, {
   133  			Namespace: "fsntx",
   134  			Version:   "1.0",
   135  			Service:   NewFusionTransactionAPI(apiBackend, nonceLock, txapi),
   136  			Public:    false,
   137  		}, {
   138  			Namespace: "fsnbt",
   139  			Version:   "1.0",
   140  			Service:   NewPublicFusionAPI(apiBackend),
   141  			Public:    true,
   142  		},
   143  	}
   144  }