nym/nyx-chain-watcher/pgsql/migrations/003_create_transactions_table.sql

CREATE TABLE IF NOT EXISTS transactions (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    tx_hash TEXT NOT NULL,
    height INTEGER NOT NULL,
    message_index INTEGER NOT NULL,
    sender TEXT NOT NULL,
    recipient TEXT NOT NULL,
    amount TEXT NOT NULL,
    memo TEXT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    UNIQUE(tx_hash, message_index)
);