add project

apps/api/src/db/knexfile.ts

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+import type { Knex } from 'knex';
+import path from 'path';
+import dotenv from 'dotenv';
+
+// Load .env from repo root when running migrations directly
+dotenv.config({ path: path.resolve(__dirname, '../../../../.env') });
+
+const config: Knex.Config = {
+  client: 'pg',
+  connection: {
+    host: process.env.DB_HOST || 'localhost',
+    port: parseInt(process.env.DB_PORT || '5432'),
+    user: process.env.DB_USER || 'postgres',
+    password: process.env.DB_PASSWORD || 'postgres',
+    database: process.env.DB_NAME || 'cryptowallet_v2',
+  },
+  migrations: {
+    directory: path.resolve(__dirname, 'migrations'),
+    extension: __filename.endsWith('.js') ? 'js' : 'ts',
+  },
+};
+
+export default config;

apps/api/src/db/migrations/001_create_users.ts

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+import type { Knex } from 'knex';
+
+export async function up(knex: Knex): Promise<void> {
+  await knex.schema.createTable('users', (t) => {
+    t.string('id', 26).primary();
+    t.string('email', 255).notNullable().unique();
+    t.string('password_hash', 255).notNullable();
+    t.string('last_name', 128).nullable();
+    t.string('first_name', 128).nullable();
+    t.string('middle_name', 128).nullable();
+    t.date('birth_date').nullable();
+    t.string('crypto_wallet', 255).nullable();
+    t.string('phone', 16).nullable();
+    t.string('bik', 9).nullable();
+    t.string('account_number', 20).nullable();
+    t.string('card_number', 19).nullable();
+    t.string('inn', 12).nullable();
+    t.boolean('kyc_verified').notNullable().defaultTo(false);
+    t.timestamp('kyc_verified_at', { useTz: true }).nullable();
+    t.boolean('is_deleted').notNullable().defaultTo(false);
+    t.timestamp('created_at', { useTz: true }).notNullable().defaultTo(knex.fn.now());
+    t.timestamp('updated_at', { useTz: true }).notNullable().defaultTo(knex.fn.now());
+  });
+}
+
+export async function down(knex: Knex): Promise<void> {
+  await knex.schema.dropTableIfExists('users');
+}

apps/api/src/db/migrations/002_create_wallets.ts

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+import type { Knex } from 'knex';
+
+export async function up(knex: Knex): Promise<void> {
+  await knex.schema.createTable('wallets', (t) => {
+    t.string('id', 26).primary();
+    t.string('user_id', 26).notNullable().references('id').inTable('users').onDelete('CASCADE');
+    t.string('chain', 10).notNullable();
+    t.string('address', 256).notNullable();
+    t.string('derivation_path', 64).notNullable();
+    t.timestamp('created_at', { useTz: true }).notNullable().defaultTo(knex.fn.now());
+    t.unique(['user_id', 'chain']);
+  });
+
+  await knex.schema.raw('CREATE INDEX idx_wallets_user_id ON wallets(user_id)');
+  await knex.schema.raw('CREATE INDEX idx_wallets_address ON wallets(address)');
+}
+
+export async function down(knex: Knex): Promise<void> {
+  await knex.schema.dropTableIfExists('wallets');
+}

apps/api/src/db/migrations/003_create_sessions.ts

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+import type { Knex } from 'knex';
+
+export async function up(knex: Knex): Promise<void> {
+  await knex.schema.createTable('sessions', (t) => {
+    t.string('id', 26).primary();
+    t.string('sid', 26).notNullable().unique();
+    t.string('user_id', 26).notNullable().references('id').inTable('users').onDelete('CASCADE');
+    t.string('device_id', 26).nullable();
+    t.string('user_agent', 500).nullable();
+    t.string('first_ip', 64).nullable();
+    t.string('last_ip', 64).nullable();
+    t.timestamp('last_seen_at', { useTz: true }).nullable();
+    t.timestamp('revoked_at', { useTz: true }).nullable();
+    t.string('refresh_jti_hash', 255).nullable();
+    t.timestamp('refresh_expires_at', { useTz: true }).nullable();
+    t.timestamp('created_at', { useTz: true }).notNullable().defaultTo(knex.fn.now());
+    t.timestamp('updated_at', { useTz: true }).notNullable().defaultTo(knex.fn.now());
+  });
+
+  await knex.schema.raw('CREATE INDEX idx_sessions_user_id ON sessions(user_id)');
+  await knex.schema.raw('CREATE INDEX idx_sessions_sid ON sessions(sid)');
+}
+
+export async function down(knex: Knex): Promise<void> {
+  await knex.schema.dropTableIfExists('sessions');
+}