-- 036: Indexed blockchain blocks (chain-indexer)
CREATE TABLE IF NOT EXISTS blocks (
    height BIGINT PRIMARY KEY,
    hash VARCHAR(128) NOT NULL UNIQUE,
    tx_count INT NOT NULL DEFAULT 0,
    indexed_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX idx_blocks_hash ON blocks(hash);
CREATE INDEX idx_blocks_created_at ON blocks(created_at DESC);