Java基于区块链的房屋租赁系统源码(课程设计).zip

package com.mokelock.houseleasing.blockchain; import io.reactivex.Flowable; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.concurrent.Callable; import org.web3j.abi.EventEncoder; import org.web3j.abi.TypeReference; import org.web3j.abi.datatypes.Address; import org.web3j.abi.datatypes.Event; import org.web3j.abi.datatypes.Function; import org.web3j.abi.datatypes.Type; import org.web3j.abi.datatypes.Utf8String; import org.web3j.abi.datatypes.generated.Int256; import org.web3j.abi.datatypes.generated.Uint256; import org.web3j.abi.datatypes.generated.Uint32; import org.web3j.abi.datatypes.generated.Uint8; import org.web3j.crypto.Credentials; import org.web3j.protocol.Web3j; import org.web3j.protocol.core.DefaultBlockParameter; import org.web3j.protocol.core.RemoteCall; import org.web3j.protocol.core.methods.request.EthFilter; import org.web3j.protocol.core.methods.response.Log; import org.web3j.protocol.core.methods.response.TransactionReceipt; import org.web3j.tuples.generated.Tuple3; import org.web3j.tuples.generated.Tuple6; import org.web3j.tuples.generated.Tuple8; import org.web3j.tx.Contract; import org.web3j.tx.TransactionManager; import org.web3j.tx.gas.ContractGasProvider; /** * <p>Auto generated code. * <p><strong>Do not modify!</strong> * <p>Please use the <a href="https://docs.web3j.io/command_line.html">web3j command line tools</a>, * or the org.web3j.codegen.SolidityFunctionWrapperGenerator in the * <a href="https://github.com/web3j/web3j/tree/master/codegen">codegen module</a> to update. * * <p>Generated with web3j version 4.3.0. */ public class HouseContract extends Contract { private static final String BINARY = 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