module.exports = function (sequelize, DataTypes, options) {
    const model = sequelize.define("extendedPublicKey", {
        id: {
            type: DataTypes.STRING,
            defaultValue: function() {
                return options.generateUniqueId()
            },
            primaryKey: true,
            unique: true
        },
        xpub: {
            type: DataTypes.STRING,
            allowNull: false,
            unique: true
        }
    }, {
        comment: "Extended Public Key belonging to the users of the system"
    });

    model.associate = (db) => {
        model.User = model.belongsTo(db.User);
    }

    return model;
};