82 lines
3.6 KiB
Go
82 lines
3.6 KiB
Go
package interfaces
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import (
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"context"
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"math/big"
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"encoding/json"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/bloombits"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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//"github.com/ethereum/go-ethereum/core/vm/logger"
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"github.com/ethereum/go-ethereum/eth/downloader"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc"
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)
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// Backend interface provides the common API services (that are provided by
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// both full and light clients) with access to necessary functions.
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type Backend interface {
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// General Ethereum API
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Downloader() *downloader.Downloader
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SuggestGasTipCap(ctx context.Context) (*big.Int, error)
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ChainDb() ethdb.Database
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ExtRPCEnabled() bool
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RPCGasCap() uint64 // global gas cap for eth_call over rpc: DoS protection
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RPCTxFeeCap() float64 // global tx fee cap for all transaction related APIs
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UnprotectedAllowed() bool // allows only for EIP155 transactions.
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// Blockchain API
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SetHead(number uint64)
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HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error)
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HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error)
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HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error)
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CurrentHeader() *types.Header
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CurrentBlock() *types.Block
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BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
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BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error)
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BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error)
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StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error)
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StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error)
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GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error)
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GetTd(ctx context.Context, hash common.Hash) *big.Int
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GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header, cfg *vm.Config) (*vm.EVM, func() error, error)
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SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
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SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
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SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription
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// Transaction pool API
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SendTx(ctx context.Context, signedTx *types.Transaction) error
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GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error)
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GetPoolTransactions() (types.Transactions, error)
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GetPoolTransaction(txHash common.Hash) *types.Transaction
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GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error)
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Stats() (pending int, queued int)
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TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions)
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SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
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// Filter API
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BloomStatus() (uint64, uint64)
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GetLogs(ctx context.Context, blockHash common.Hash) ([][]*types.Log, error)
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ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)
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SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
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SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription
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SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
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ChainConfig() *params.ChainConfig
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Engine() consensus.Engine
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}
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type TracerResult interface {
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vm.EVMLogger
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GetResult() (json.RawMessage, error)
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Stop(error)
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}
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