machinomy/lib/ChannelContract.js

Micropayments powered by Ethereum

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const logger_1 = require("@machinomy/logger");
const ChannelInflator_1 = require("./ChannelInflator");
const LOG = new logger_1.default('channel-contract');
class ChannelContract {
    constructor(web3, channelsDao, channelEthContract, channelTokenContract) {
        this.channelEthContract = channelEthContract;
        this.channelTokenContract = channelTokenContract;
        this.channelsDao = channelsDao;
    }
    async open(sender, receiver, value, settlementPeriod, channelId, tokenContract) {
        if (ChannelInflator_1.default.isTokenContractDefined(tokenContract)) {
            return this.channelTokenContract.open(sender, receiver, value, settlementPeriod, tokenContract, channelId);
        }
        else {
            return this.channelEthContract.open(sender, receiver, value, settlementPeriod, channelId);
        }
    }
    async claim(receiver, channelId, value, signature) {
        const contract = await this.getContractByChannelId(channelId);
        return contract.claim(receiver, channelId, value, signature);
    }
    async deposit(sender, channelId, value, tokenContract) {
        if (ChannelInflator_1.default.isTokenContractDefined(tokenContract)) {
            return this.channelTokenContract.deposit(sender, channelId, value, tokenContract);
        }
        else {
            return this.channelEthContract.deposit(sender, channelId, value);
        }
    }
    async getState(channelId) {
        const contract = await this.getContractByChannelId(channelId);
        return contract.getState(channelId);
    }
    async getSettlementPeriod(channelId) {
        const contract = await this.getContractByChannelId(channelId);
        return contract.getSettlementPeriod(channelId);
    }
    async startSettle(account, channelId) {
        const contract = await this.getContractByChannelId(channelId);
        return contract.startSettle(account, channelId);
    }
    async finishSettle(account, channelId) {
        const contract = await this.getContractByChannelId(channelId);
        return contract.finishSettle(account, channelId);
    }
    async paymentDigest(channelId, value) {
        const channel = await this.channelsDao.firstById(channelId);
        if (channel) {
            const tokenContract = channel.tokenContract;
            if (ChannelInflator_1.default.isTokenContractDefined(tokenContract)) {
                return this.channelTokenContract.paymentDigest(channelId, value, tokenContract);
            }
            else {
                return this.channelEthContract.paymentDigest(channelId, value);
            }
        }
        else {
            throw new Error(`Channel ${channelId} is not found`);
        }
    }
    async canClaim(payment) {
        const channelId = payment.channelId;
        const value = payment.value;
        const receiver = payment.receiver;
        const signature = payment.signature;
        if (ChannelInflator_1.default.isTokenContractDefined(payment.tokenContract)) {
            return this.channelTokenContract.canClaim(channelId, value, receiver, signature);
        }
        else {
            return this.channelEthContract.canClaim(channelId, value, receiver, signature);
        }
    }
    async channelById(channelId) {
        const contract = await this.getContractByChannelId(channelId);
        return contract.channelById(channelId);
    }
    async getContractByChannelId(channelId) {
        const channel = await this.channelsDao.firstById(channelId);
        if (channel) {
            const tokenContract = channel.tokenContract;
            return ChannelInflator_1.default.isTokenContractDefined(tokenContract) ? this.channelTokenContract : this.channelEthContract;
        }
        else {
            LOG.info(`getContractByChannelId(): Channel ${channelId} is undefined`);
            return this.channelEthContract;
        }
    }
}
exports.default = ChannelContract;
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