@sangaman/xud/dist/db/models/Pair.js

Exchange Union Daemon

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const enums_1 = require("../../types/enums");
exports.default = (sequelize, DataTypes) => {
    const attributes = {
        id: { type: DataTypes.STRING, primaryKey: true },
        baseCurrency: { type: DataTypes.STRING, allowNull: false },
        quoteCurrency: { type: DataTypes.STRING, allowNull: false },
        swapProtocol: {
            type: DataTypes.ENUM, values: Object.values(enums_1.SwapProtocol), allowNull: false,
        },
    };
    const options = {
        tableName: 'pairs',
        timestamps: false,
    };
    const Pair = sequelize.define('Pair', attributes, options);
    Pair.associate = (models) => {
        models.Pair.belongsTo(models.Currency, {
            foreignKey: 'baseCurrency',
        });
        models.Pair.belongsTo(models.Currency, {
            foreignKey: 'quoteCurrency',
        });
        const derivePairId = (pair) => {
            pair.id = `${pair.baseCurrency}/${pair.quoteCurrency}`;
        };
        models.Pair.beforeBulkCreate(pairs => pairs.forEach(pair => derivePairId(pair)));
        models.Pair.beforeCreate(pair => derivePairId(pair));
    };
    return Pair;
};
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