org.web3j.contracts.token

Interface ERC20Interface<R,T>

All Superinterfaces:

ERC20BasicInterface<T>

public interface ERC20Interface<R,T>
extends ERC20BasicInterface<T>

The Ethereum ERC-20 token standard.

Implementations should provide the concrete ApprovalEventResponse and TransferEventResponse from their token as the generic types "R" amd "T".

See Also:

EIPs/EIPS/eip-20-token-standard.md, ERC: Token standard #20

Method Summary

Modifier and Type	Method and Description
RemoteCall<java.math.BigInteger>	allowance(java.lang.String owner, java.lang.String spender)
io.reactivex.Flowable<R>	approvalEventFlowable(DefaultBlockParameter startBlock, DefaultBlockParameter endBlock)
RemoteCall<TransactionReceipt>	approve(java.lang.String spender, java.math.BigInteger value)
java.util.List<R>	getApprovalEvents(TransactionReceipt transactionReceipt)
RemoteCall<TransactionReceipt>	transferFrom(java.lang.String from, java.lang.String to, java.math.BigInteger value)

Methods inherited from interface org.web3j.contracts.token.ERC20BasicInterface

balanceOf, getTransferEvents, totalSupply, transfer, transferEventFlowable

Method Detail

allowance

RemoteCall<java.math.BigInteger> allowance(java.lang.String owner,
                                           java.lang.String spender)

approve

RemoteCall<TransactionReceipt> approve(java.lang.String spender,
                                       java.math.BigInteger value)

transferFrom

RemoteCall<TransactionReceipt> transferFrom(java.lang.String from,
                                            java.lang.String to,
                                            java.math.BigInteger value)

getApprovalEvents

java.util.List<R> getApprovalEvents(TransactionReceipt transactionReceipt)

approvalEventFlowable

io.reactivex.Flowable<R> approvalEventFlowable(DefaultBlockParameter startBlock,
                                               DefaultBlockParameter endBlock)