contract.js

var Web3a = require("web3");
const AlayaAccounts = require("web3/packages/web3-eth-accounts");
async function main() {
    let web3a = new Web3a('http://47.241.91.2:6789');
    // // 生成公私秘钥对
    // let act = web3a.platon.accounts.create();
    // console.log(act.privateKey);
    // console.log(act.address);

    // !!!!将主网的私钥写到代码上并分享给别人是非常危险的操作!!!!
    // address for the privatekey below: atp1sznvsju6gjy3kmgnfgm526jf6e8x83twuctefh
    var privateKey="0x5ae02064df442340f861136acbfc4bd62b3d48393903bd6aac77ce0e7aaa9e5e";
    
    var chainId = 201030; //201018 for mainnet
    // // privatekey for the address below: 0x0727b77a246f2c01c1b7b068c26bd71b81700f7ea003dd1ba68a38885a69a1a5
    // var toAddress = "atp1jqtmpjme9gvg6wnuyphzqzgphslfmjtxcy8mt2";
    var act = new AlayaAccounts(web3a.currentProvider, "atp");
    act = act.privateKeyToAccount(privateKey);
    let from = act.address;
    let nonce = web3a.utils.numberToHex(await web3a.platon.getTransactionCount(from));
    let gasPrice = await web3a.platon.getGasPrice();
    let bytecode = "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";

    bytecode = "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"
    let tx = {
        from: from,
        chainId: chainId,
        gasPrice: gasPrice, 
        nonce: nonce,
        data: bytecode
    };
    let gas = await web3a.platon.estimateGas(tx);
    // console.log(gas);
    tx.gas = gas;
    // 签名交易
    // let signTx = await web3a.platon.accounts.signTransaction(tx, privateKey);
    let signTx = await act.signTransaction(tx);
    // 发送交易
    let receipt = await web3a.platon.sendSignedTransaction(signTx.rawTransaction);
    // console.log("The receipt of the transaction is: " + JSON.stringify(receipt));
    // console.log("sign tx data:\n", signTx.rawTransaction);
    // let contractAddress = "atp1pcvx85klajfw9mvy3tf07acmqxaek5nanuy5t6";
    let contractAddress = receipt.contractAddress;
    console.log("contract address: " + contractAddress);
    let abi = [
        {
          "constant": false,
          "inputs": [
            {
              "internalType": "string",
              "name": "_name",
              "type": "string"
            }
          ],
          "name": "setName",
          "outputs": [
            {
              "internalType": "string",
              "name": "",
              "type": "string"
            }
          ],
          "payable": false,
          "stateMutability": "nonpayable",
          "type": "function"
        },
        {
          "constant": true,
          "inputs": [],
          "name": "getName",
          "outputs": [
            {
              "internalType": "string",
              "name": "",
              "type": "string"
            }
          ],
          "payable": false,
          "stateMutability": "view",
          "type": "function"
        }
      ];
    let contract = new web3a.platon.Contract(abi, contractAddress);
    let name = await contract.methods.getName().call();
    console.log("name before change: " + name);
    let trans = contract.methods.setName("rileyge");
    let options ={
        to      : trans._parent._address,
        data    : trans.encodeABI(),
        gas     : await trans.estimateGas({from: from}),
        gasPrice: gasPrice,
        chainId: chainId
    }
    // let act = web3a.platon.accounts.privateKeyToAccount(privateKey);
    // signTx = await act.signTransaction(options);
    // signTx = await web3a.platon.accounts.signTransaction(options, privateKey);
    signTx = await act.signTransaction(options);
    // 发送交易
    
    receipt = await web3a.platon.sendSignedTransaction(signTx.rawTransaction);
    name = await contract.methods.getName().call();
    console.log("name after change: " + name);
}
main();