程序包 org.zlwl.wallet

类 ERC20TokenTool

java.lang.Object

org.zlwl.wallet.ERC20TokenTool

public class ERC20TokenTool
extends Object

作者:

ruanzh.eth

字段概要

字段

修饰符和类型	字段	说明
static final String	LINK_CONTRACT_RINKEBY
static final String	Ox00
static final String	USDT_CONTRACT_MAINNET

构造器概要

构造器

构造器	说明
ERC20TokenTool()

方法概要

修饰符和类型	方法	说明
static String	balanceOf(String address, String contract, org.web3j.protocol.Web3j web3j)
static org.web3j.protocol.core.methods.response.EthCall	balanceOf2(String address, String contract, org.web3j.protocol.Web3j web3j)
static BigInteger	decimals(String contract, org.web3j.protocol.Web3j web3j)
static String	legacyTransfer(String to, BigInteger amount, String contract, org.web3j.crypto.Credentials credentials, org.web3j.protocol.Web3j web3j)	ERC20代币转账
static void	main(String[] args)
static String	name(String contract, org.web3j.protocol.Web3j web3j)
static String	symbol(String contract, org.web3j.protocol.Web3j web3j)
static BigInteger	totalSupply(String contract, org.web3j.protocol.Web3j web3j)
static org.web3j.protocol.core.methods.response.EthSendTransaction	transfer(String to, BigInteger amount, String contract, BigInteger maxPriorityFeePerGas, BigInteger maxFeePerGas, org.web3j.crypto.Credentials credentials, org.web3j.protocol.Web3j web3j)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

Ox00

public static final String Ox00

另请参阅:

• 常量字段值

USDT_CONTRACT_MAINNET

public static final String USDT_CONTRACT_MAINNET

另请参阅:

• 常量字段值

LINK_CONTRACT_RINKEBY

public static final String LINK_CONTRACT_RINKEBY

另请参阅:

• 常量字段值

构造器详细资料

ERC20TokenTool

public ERC20TokenTool()

方法详细资料

totalSupply

public static BigInteger totalSupply(String contract,
 org.web3j.protocol.Web3j web3j)
                              throws ExecutionException,
InterruptedException

抛出:

ExecutionException

InterruptedException

decimals

public static BigInteger decimals(String contract,
 org.web3j.protocol.Web3j web3j)
                           throws ExecutionException,
InterruptedException

抛出:

ExecutionException

InterruptedException

name

public static String name(String contract,
 org.web3j.protocol.Web3j web3j)
                   throws ExecutionException,
InterruptedException

抛出:

ExecutionException

InterruptedException

symbol

public static String symbol(String contract,
 org.web3j.protocol.Web3j web3j)
                     throws ExecutionException,
InterruptedException

抛出:

ExecutionException

InterruptedException

balanceOf

public static String balanceOf(String address,
 String contract,
 org.web3j.protocol.Web3j web3j)
                        throws ExecutionException,
InterruptedException

抛出:

ExecutionException

InterruptedException

legacyTransfer

public static String legacyTransfer(String to,
 BigInteger amount,
 String contract,
 org.web3j.crypto.Credentials credentials,
 org.web3j.protocol.Web3j web3j)
                             throws ExecutionException,
InterruptedException,
IOException

ERC20代币转账

参数:

to - 收款地址

amount - 转账金额

contract - 代币合约地址

credentials - 密钥

web3j - client

返回:

交易哈希

抛出:

ExecutionException

InterruptedException

IOException

transfer

public static org.web3j.protocol.core.methods.response.EthSendTransaction transfer(String to,
 BigInteger amount,
 String contract,
 BigInteger maxPriorityFeePerGas,
 BigInteger maxFeePerGas,
 org.web3j.crypto.Credentials credentials,
 org.web3j.protocol.Web3j web3j)
                                                                            throws ExecutionException,
InterruptedException,
IOException

抛出:

ExecutionException

InterruptedException

IOException

balanceOf2

public static org.web3j.protocol.core.methods.response.EthCall balanceOf2(String address,
 String contract,
 org.web3j.protocol.Web3j web3j)
                                                                   throws IOException

抛出:

IOException

main

public static void main(String[] args)