before

ops/migrations/20180913000513_create_accounts.js

@@ -1,5 +1,5 @@
 exports.up = async knex => {
-    return knex.schema.createTable('users', table => {
+    return knex.schema.createTable('accounts', table => {
         table.uuid('id').primary();
         table.string('name', 42).notNullable().unique();
         table.string('password').notNullable();

ops/migrations/20180916221309_cryps_table.js

@@ -0,0 +1,14 @@
+exports.up = async knex => {
+    return knex.schema.createTable('cryps', table => {
+        table.uuid('id').primary();
+        table.uuid('account').notNullable()
+        table.foreign('account')
+          .references('id')
+          .inTable('accounts')
+          .onDelete('CASCADE');
+        table.binary('data').notNullable();
+        table.index('id');
+    });
+};
+
+exports.down = async () => {};