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81 lines
2.3 KiB
81 lines
2.3 KiB
import abi from './EthAbi.js'
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const Web3 = require('web3');
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var Tx = require('ethereumjs-tx');
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let web3;
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if (typeof web3 !== 'undefined') {
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web3 = new Web3(web3.currentProvider);
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} else {
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web3 = new Web3(new Web3.providers.HttpProvider("https://ropsten.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161"));
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}
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let eth = {
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//获取主币eth余额
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getBalance: async function(address, type) {
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let balance = await web3.eth.getBalance(address);
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console.log("余额：",balance)
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return Number(balance) / Math.pow(10, 18);
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}
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,getTokenBalance: function(address,contract,resultfun){
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var myContract = new web3.eth.Contract(abi, contract, {
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from: address
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});
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console.log(myContract);
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myContract.methods.decimals().call()
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.then(function(decimals) {
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myContract.methods.balanceOf(address).call()
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.then(function(balance) {
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resultfun(Number(balance) / Math.pow(10, decimals));
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});
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});
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}
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,transaction: function(fromAddress,toAddress,value,privateKey){
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// 先获取当前账号交易的nonce
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web3.eth.getTransactionCount(fromAddress, web3.eth.defaultBlock.pending).then(function(nonce){
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// 获取交易数据
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var txData = {
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// nonce每次++，以免覆盖之前pending中的交易
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nonce: web3.utils.toHex(nonce++),
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// 设置gasLimit和gasPrice
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gasLimit: web3.utils.toHex(60000),
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gasPrice: web3.utils.toHex(web3.eth.getGasPrice()),
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// 要转账的哪个账号
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to: toAddress,
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// 从哪个账号转
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from: fromAddress,
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// 0.001 以太币
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value: web3.utils.toHex(web3.utils.toWei(value, 'ether')),
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data: '0x' + Buffer.from('asd').toString('hex')
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}
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var tx = new Tx(txData,{'chain':'ropsten'});
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// 引入私钥，并转换为16进制
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// 用私钥签署交易
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console.log(Buffer.from(privateKey, 'hex'))
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tx.sign( new Buffer(privateKey, 'hex'));
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// 序列化
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var serializedTx = tx.serialize().toString('hex');
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web3.eth.sendSignedTransaction('0x' + serializedTx.toString('hex'), function(err, hash) {
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if (!err) {
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console.log(hash);
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} else {
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console.error(err);
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}
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});
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});
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}
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}
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export default eth;
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