The core protocol of WoopChain
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woop/internal/hmyapi/backend.go

99 lines
3.4 KiB

package hmyapi
import (
"context"
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"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rpc"
"github.com/harmony-one/harmony/accounts"
"github.com/harmony-one/harmony/core"
"github.com/harmony-one/harmony/core/state"
"github.com/harmony-one/harmony/core/types"
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"github.com/harmony-one/harmony/core/vm"
)
// Backend interface provides the common API services (that are provided by
// both full and light clients) with access to necessary functions.
// implementations:
// * hmy/api_backend.go
type Backend interface {
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// NOTE(ricl): this is not in ETH Backend inteface. They put it directly in eth object.
NetVersion() uint64
// 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
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RPCGasCap() *big.Int // global gas cap for hmy_call over rpc: DoS protection
// BlockChain API
// SetHead(number uint64)
HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error)
BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error)
StateAndHeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*state.DB, *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
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GetEVM(ctx context.Context, msg core.Message, state *state.DB, 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
// TxPool 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
ChainConfig() *params.ChainConfig
CurrentBlock() *types.Block
// Get balance
GetBalance(address common.Address) (*hexutil.Big, error)
}
// GetAPIs returns all the APIs.
func GetAPIs(b Backend) []rpc.API {
nonceLock := new(AddrLocker)
return []rpc.API{
{
Namespace: "hmy",
Version: "1.0",
Service: NewPublicHarmonyAPI(b),
Public: true,
},
{
Namespace: "hmy",
Version: "1.0",
Service: NewPublicBlockChainAPI(b),
Public: true,
}, {
Namespace: "hmy",
Version: "1.0",
Service: NewPublicTransactionPoolAPI(b, nonceLock),
Public: true,
}, {
Namespace: "hmy",
Version: "1.0",
Service: NewPublicAccountAPI(b.AccountManager()),
Public: true,
}, {
Namespace: "hmy",
Version: "1.0",
Service: NewDebugAPI(b),
Public: true, // FIXME: change to false once IPC implemented
},
}
}