auth.sigidli.com/persistence/models/challenge.js

const bcrypt = require('bcrypt');

module.exports = function (sequelize, DataTypes, options) {
    const model = sequelize.define("challenge", {
        id: {
            type: DataTypes.STRING,
            defaultValue: function() {
                return options.generateUniqueId()
            },
            primaryKey: true,
            unique: true
        },
        message: {
            type: DataTypes.STRING,
            allowNull: false
        },
        derivationPath: {
            type: DataTypes.STRING,
            allowNull: false
        },
        xpub: {
            type: DataTypes.STRING,
            allowNull: false
        },
        request: {
            type: DataTypes.JSON,
            allowNull: false
        },
        response: {
            type: DataTypes.JSON
        }
    }, {
        comment: "Challenge to be signed"
    });

    model.associate = (db) => {

    }

    return model;
};