88 lines
2.8 KiB
SQL
88 lines
2.8 KiB
SQL
-- TimescaleDB schema for mempool transactions
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-- This extends the main database with time-series capabilities
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-- Mempool transactions hypertable
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CREATE TABLE IF NOT EXISTS mempool_transactions (
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time TIMESTAMPTZ NOT NULL,
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chain_id INTEGER NOT NULL,
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hash VARCHAR(66) NOT NULL,
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from_address VARCHAR(42) NOT NULL,
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to_address VARCHAR(42),
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value NUMERIC(78, 0),
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gas_price BIGINT,
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max_fee_per_gas BIGINT,
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max_priority_fee_per_gas BIGINT,
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gas_limit BIGINT,
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nonce BIGINT,
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input_data_length INTEGER,
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first_seen TIMESTAMPTZ NOT NULL,
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status VARCHAR(20) DEFAULT 'pending',
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confirmed_block_number BIGINT,
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confirmed_at TIMESTAMPTZ,
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PRIMARY KEY (time, chain_id, hash)
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);
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-- Convert to hypertable
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SELECT create_hypertable('mempool_transactions', 'time', if_not_exists => TRUE);
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-- Indexes
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CREATE INDEX IF NOT EXISTS idx_mempool_chain_hash ON mempool_transactions(chain_id, hash);
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CREATE INDEX IF NOT EXISTS idx_mempool_chain_from ON mempool_transactions(chain_id, from_address);
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CREATE INDEX IF NOT EXISTS idx_mempool_chain_status ON mempool_transactions(chain_id, status, time);
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-- Network metrics hypertable
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CREATE TABLE IF NOT EXISTS network_metrics (
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time TIMESTAMPTZ NOT NULL,
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chain_id INTEGER NOT NULL,
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block_number BIGINT,
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tps DOUBLE PRECISION,
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gps DOUBLE PRECISION,
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avg_gas_price BIGINT,
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pending_transactions INTEGER,
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block_time_seconds DOUBLE PRECISION,
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PRIMARY KEY (time, chain_id)
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);
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SELECT create_hypertable('network_metrics', 'time', if_not_exists => TRUE);
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CREATE INDEX IF NOT EXISTS idx_network_metrics_chain_time ON network_metrics(chain_id, time DESC);
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-- Gas price history hypertable
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CREATE TABLE IF NOT EXISTS gas_price_history (
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time TIMESTAMPTZ NOT NULL,
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chain_id INTEGER NOT NULL,
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block_number BIGINT,
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min_gas_price BIGINT,
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max_gas_price BIGINT,
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avg_gas_price BIGINT,
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p25_gas_price BIGINT,
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p50_gas_price BIGINT,
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p75_gas_price BIGINT,
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p95_gas_price BIGINT,
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p99_gas_price BIGINT,
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PRIMARY KEY (time, chain_id)
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);
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SELECT create_hypertable('gas_price_history', 'time', if_not_exists => TRUE);
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-- Continuous aggregate for 1-minute network metrics
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CREATE MATERIALIZED VIEW IF NOT EXISTS network_metrics_1m
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WITH (timescaledb.continuous) AS
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SELECT
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time_bucket('1 minute', time) AS bucket,
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chain_id,
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AVG(tps) AS avg_tps,
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AVG(gps) AS avg_gps,
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AVG(avg_gas_price) AS avg_gas_price,
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AVG(pending_transactions) AS avg_pending_tx
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FROM network_metrics
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GROUP BY bucket, chain_id;
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-- Add refresh policy for continuous aggregate
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SELECT add_continuous_aggregate_policy('network_metrics_1m',
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start_offset => INTERVAL '1 hour',
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end_offset => INTERVAL '1 minute',
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schedule_interval => INTERVAL '1 minute',
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if_not_exists => TRUE);
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