61 lines
1.7 KiB
JavaScript
61 lines
1.7 KiB
JavaScript
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const fs = require('fs');
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module.exports = class Account {
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constructor(web3) {
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this.web3 = web3;
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this.sender = null;
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}
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async init(argv) {
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if (argv["account"]) {
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if (!argv["passfile"]) {
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console.error("the ---passfile option must be specified when using the --account option");
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process.exit(1);
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}
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if (argv["sender"]) {
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console.warn("--account used, --sender will be ignored");
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}
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this.sender = this.loadAccount(argv["account"], argv["passfile"]);
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} else {
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this.sender = argv["sender"] || await this.getDefaultSender();
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}
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}
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async getDefaultSender() {
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let accounts = await this.web3.eth.getAccounts();
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return accounts[0];
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}
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loadAccount(account, passfile) {
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let json = fs.readFileSync(account, "utf-8");
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let pass = fs.readFileSync(passfile, "utf-8").split("\n")[0].replace("\r", "");
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return this.web3.eth.accounts.decrypt(json, pass);
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}
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async sendMethod(methodCall, to) {
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let receipt;
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if (typeof(this.sender) == "string") {
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let gasAmount = await methodCall.estimateGas({from: this.sender});
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receipt = await methodCall.send({from: this.sender, gas: gasAmount});
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} else {
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let gasAmount = await methodCall.estimateGas({from: this.sender.address});
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let data = methodCall.encodeABI();
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let signedTx = await this.sender.signTransaction({to: to, data: data, gas: gasAmount});
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receipt = await this.web3.eth.sendSignedTransaction(signedTx.rawTransaction);
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}
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return receipt;
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}
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senderAddress() {
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if (typeof(this.sender) == "string") {
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return this.sender;
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} else {
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return this.sender.address;
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}
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}
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}
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