Package org.web3j.protocol

Interface Web3j

All Superinterfaces:

Batcher, Ethereum, Web3jRx

All Known Subinterfaces:

Admin

All Known Implementing Classes:

JsonRpc2_0Admin, JsonRpc2_0Web3j

public interface Web3j
extends Ethereum, Web3jRx, Batcher

JSON-RPC Request object building factory.

Method Summary

Modifier and Type	Method	Description
static Web3j	build(Web3jService web3jService)	Construct a new Web3j instance.
static Web3j	build(Web3jService web3jService, long pollingInterval, ScheduledExecutorService scheduledExecutorService)	Construct a new Web3j instance.
void	shutdown()	Shutdowns a Web3j instance and closes opened resources.

Methods inherited from interface org.web3j.protocol.core.Batcher

newBatch

Methods inherited from interface org.web3j.protocol.core.Ethereum

adminAddPeer, adminDataDir, adminNodeInfo, adminPeers, adminRemovePeer, dbGetHex, dbGetString, dbPutHex, dbPutString, ethAccounts, ethBlockNumber, ethCall, ethChainId, ethCoinbase, ethCompileLLL, ethCompileSerpent, ethCompileSolidity, ethEstimateGas, ethFeeHistory, ethGasPrice, ethGetBalance, ethGetBlockByHash, ethGetBlockByNumber, ethGetBlockReceipts, ethGetBlockTransactionCountByHash, ethGetBlockTransactionCountByNumber, ethGetCode, ethGetCompilers, ethGetFilterChanges, ethGetFilterLogs, ethGetLogs, ethGetStorageAt, ethGetTransactionByBlockHashAndIndex, ethGetTransactionByBlockNumberAndIndex, ethGetTransactionByHash, ethGetTransactionCount, ethGetTransactionReceipt, ethGetUncleByBlockHashAndIndex, ethGetUncleByBlockNumberAndIndex, ethGetUncleCountByBlockHash, ethGetUncleCountByBlockNumber, ethGetWork, ethHashrate, ethMaxPriorityFeePerGas, ethMining, ethNewBlockFilter, ethNewFilter, ethNewPendingTransactionFilter, ethProtocolVersion, ethSendRawTransaction, ethSendTransaction, ethSign, ethSubmitHashrate, ethSubmitWork, ethSyncing, ethUninstallFilter, netListening, netPeerCount, netVersion, shhAddToGroup, shhGetFilterChanges, shhGetMessages, shhHasIdentity, shhNewFilter, shhNewGroup, shhNewIdentity, shhPost, shhUninstallFilter, shhVersion, txPoolStatus, web3ClientVersion, web3Sha3

Methods inherited from interface org.web3j.protocol.rx.Web3jRx

blockFlowable, ethBlockHashFlowable, ethLogFlowable, ethPendingTransactionHashFlowable, logsNotifications, newHeadsNotifications, pendingTransactionFlowable, replayPastAndFutureBlocksFlowable, replayPastAndFutureTransactionsFlowable, replayPastBlocksFlowable, replayPastBlocksFlowable, replayPastBlocksFlowable, replayPastBlocksFlowable, replayPastTransactionsFlowable, replayPastTransactionsFlowable, transactionFlowable

Method Details

build

static Web3j build(Web3jService web3jService)

Construct a new Web3j instance.

Parameters:

web3jService - web3j service instance - i.e. HTTP or IPC

Returns:

new Web3j instance

build

static Web3j build(Web3jService web3jService,
 long pollingInterval,
 ScheduledExecutorService scheduledExecutorService)

Construct a new Web3j instance.

Parameters:

web3jService - web3j service instance - i.e. HTTP or IPC

pollingInterval - polling interval for responses from network nodes

scheduledExecutorService - executor service to use for scheduled tasks. You are responsible for terminating this thread pool

Returns:

new Web3j instance

shutdown

void shutdown()

Shutdowns a Web3j instance and closes opened resources.