VRC-20合约交互
查询账户vrc-20余额
const VsWeb = require("visionweb");
const HttpProvider = VsWeb.providers.HttpProvider;
const PrivateKey = "your private key";
const FullNode = new HttpProvider("https://vpioneer.infragrid.v.network/");
const SolidityNode = new HttpProvider("https://vpioneer.infragrid.v.network/");
const EventServer = new HttpProvider("https://vpioneer.infragrid.v.network/");
const vsWeb = new VsWeb(FullNode, SolidityNode, EventServer, PrivateKey);
const contractObj = require('./BasicToken.json');
const abi = contractObj.abi;
const bytecode = contractObj.bytecode;
// invoke contract
(async function () {
// contract address
const contract = await vsWeb.contract().at("46e2d145ebd0d991f607b4badfb0fa14435a1efe3a");
// console.log(contract)
// search balance
const res = await contract.balanceOf("463a86B966369B5c98F0f7E0B009F4D2aBD4d97162").call();
console.log(Number(res))
})();
node .\vtest-testbalanceof.js
执行成功可返回账户余额:
![vrc20balance.jpg 788](https://files.readme.io/dc1db90-vrc20balance.jpg)
转账
const VsWeb = require("visionweb");
const HttpProvider = VsWeb.providers.HttpProvider;
const PrivateKey = "your private key";
const FullNode = new HttpProvider("https://vpioneer.infragrid.v.network/");
const SolidityNode = new HttpProvider("https://vpioneer.infragrid.v.network/");
const EventServer = new HttpProvider("https://vpioneer.infragrid.v.network/");
const vsWeb = new VsWeb(FullNode, SolidityNode, EventServer, PrivateKey);
const contractObj = require('./BasicToken.json');
const abi = contractObj.abi;
const bytecode = contractObj.bytecode;
// invoke contract
(async function () {
// contract address
const contract = await vsWeb.contract().at("469342bfc79bba12d45e68e9c26dd97076be8ef848");
let res = await contract.transfer("463a86B966369B5c98F0f7E0B009F4D2aBD4d97162", 100).send({
feeLimit: 100000000,
callValue: 0,
shouldPollResponse: true,
});
console.log(res);
})();
转币100VTK
![转账-返回01.jpg 771](https://files.readme.io/27c1f70--01.jpg)
Updated almost 3 years ago