aitbc/apps/coordinator-api/migrations

Coordinator API Migrations

Database migration scripts for the Coordinator API.

Files

File	Description
001_initial_schema.sql	Initial database schema (tables)
002_indexes.sql	Performance indexes
003_data_migration.py	Data migration utilities

Running Migrations

Prerequisites

• PostgreSQL 14+
• Python 3.10+ (for data migrations)
• asyncpg package

Apply Schema

# Connect to database
psql -h localhost -U aitbc -d coordinator

# Run migrations in order
\i 001_initial_schema.sql
\i 002_indexes.sql

Run Data Migrations

# Install dependencies
pip install asyncpg

# Backfill job history
python 003_data_migration.py --action=backfill_history

# Update miner statistics
python 003_data_migration.py --action=update_stats

# Run all maintenance tasks
python 003_data_migration.py --action=all

# Migrate from SQLite
python 003_data_migration.py --action=migrate_jobs --input-file=/path/to/jobs.db

# Migrate receipts from JSON
python 003_data_migration.py --action=migrate_receipts --input-file=/path/to/receipts.json

Schema Overview

Tables

• jobs - AI compute jobs
• miners - Registered GPU miners
• receipts - Cryptographic receipts
• blocks - Blockchain blocks
• transactions - On-chain transactions
• api_keys - API authentication
• job_history - Event history for analytics

Key Indexes

• idx_jobs_pending - Fast pending job lookup
• idx_miners_available - Available miner selection
• idx_receipts_provider_created - Miner receipt history
• idx_receipts_client_created - Client receipt history

Rollback

To rollback migrations:

-- Drop all tables (DESTRUCTIVE)
DROP TABLE IF EXISTS job_history CASCADE;
DROP TABLE IF EXISTS api_keys CASCADE;
DROP TABLE IF EXISTS transactions CASCADE;
DROP TABLE IF EXISTS blocks CASCADE;
DROP TABLE IF EXISTS receipts CASCADE;
DROP TABLE IF EXISTS miners CASCADE;
DROP TABLE IF EXISTS jobs CASCADE;