machinomy/lib/storage/sqlite/SqlitePaymentsDatabase.js

Micropayments powered by Ethereum

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const AbstractPaymentsDatabase_1 = require("../AbstractPaymentsDatabase");
const payment_1 = require("../../payment");
async function createTable(client) {
    await client.run('CREATE TABLE IF NOT EXISTS payment ("channelId" TEXT, kind TEXT, token TEXT, sender TEXT, receiver TEXT,' +
        ' price INTEGER, value INTEGER, "channelValue" INTEGER, v INTEGER, r TEXT, s TEXT, meta TEXT, "contractAddress" TEXT, createdAt TEXT)');
}
class SqlitePaymentsDatabase extends AbstractPaymentsDatabase_1.default {
    async save(token, payment) {
        return this.engine.exec(async (client) => {
            await createTable(client);
            const serialized = payment_1.PaymentSerde.instance.serialize(payment);
            serialized.kind = this.kind;
            serialized.token = token;
            await client.run('INSERT INTO payment("channelId", kind, token, sender, receiver, price, value, ' +
                '"channelValue", v, r, s, meta, "contractAddress", "createdAt") VALUES($channelId, $kind, $token, $sender, ' +
                '$receiver, $price, $value, $channelValue, $v, $r, $s, $meta, $contractAddress, $createdAt)', {
                $channelId: serialized.channelId,
                $kind: serialized.kind,
                $token: serialized.token,
                $sender: serialized.sender,
                $receiver: serialized.receiver,
                $price: serialized.price,
                $value: serialized.value,
                $channelValue: serialized.channelValue,
                $v: serialized.v,
                $r: serialized.r,
                $s: serialized.s,
                $meta: serialized.meta,
                $contractAddress: serialized.contractAddress,
                $createdAt: Date.now()
            });
        });
    }
    async firstMaximum(channelId) {
        return this.engine.exec(async (client) => {
            await createTable(client);
            let row = await client.get('SELECT "channelId", kind, token, sender, receiver, price, value, ' +
                '"channelValue", v, r, s, meta, "contractAddress", "createdAt" FROM payment WHERE "channelId" = $channelId ' +
                'ORDER BY value DESC', {
                $channelId: channelId.toString()
            });
            return row ? this.inflatePayment(row) : null;
        });
    }
    async findByToken(token) {
        return this.engine.exec(async (client) => {
            await createTable(client);
            let row = await client.get('SELECT "channelId", kind, token, sender, receiver, price, value, ' +
                '"channelValue", v, r, s, meta, "contractAddress", "createdAt" FROM payment WHERE token = $token', {
                $token: token
            });
            return row ? this.inflatePayment(row) : null;
        });
    }
}
exports.default = SqlitePaymentsDatabase;
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