42 lines
1002 B
JavaScript
42 lines
1002 B
JavaScript
const util = require('util');
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const Web3 = require('web3');
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const utils = require('j7/utils');
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const event = require('j7/event');
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const sync = require("j7/sync");
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const log = require("j7/log");
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const metaFactory = require('./metadata/factory');
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const C = require("./C");
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class BlockChain {
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constructor() {
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this.netId = 0;
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}
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async initInstance(user, address, jsonUrl) {
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const json = utils.readJsonFromFile(jsonUrl);
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return new this.web3.eth.Contract(
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json.abi,
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address,
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{ from: user }
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);
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}
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async init() {
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this.web3 = new Web3(metaFactory.getWeb3Conf()['block_server']);
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this.web3.eth.handleRevert = true;
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for (const data of metaFactory.getContracts()) {
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this[`${data.name}Instance`] = await this.initInstance
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(metaFactory.getUserAddress(), data.address, data.json);
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}
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event.emitEvent(C.BC_INITIALIZED_EVENT);
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}
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async getNetId() {
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return await this.web3.eth.getChainId();
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}
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}
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module.exports = new BlockChain();
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