feat(token-aggregation): add historical pricing context, backfill, and indexer hardening

services/token-aggregation/scripts/bootstrap-lightweight-schema.sql

@@ -91,13 +91,21 @@ CREATE TABLE IF NOT EXISTS swap_events (
   id BIGSERIAL PRIMARY KEY,
   chain_id INTEGER NOT NULL,
   pool_address TEXT NOT NULL,
+  transaction_hash TEXT,
+  block_number BIGINT,
+  log_index INTEGER,
   token0_address TEXT NOT NULL,
   token1_address TEXT NOT NULL,
+  amount0_in NUMERIC(78, 0) NOT NULL DEFAULT 0,
+  amount1_in NUMERIC(78, 0) NOT NULL DEFAULT 0,
+  amount0_out NUMERIC(78, 0) NOT NULL DEFAULT 0,
+  amount1_out NUMERIC(78, 0) NOT NULL DEFAULT 0,
   amount_usd NUMERIC(38, 18) NOT NULL DEFAULT 0,
   price_usd NUMERIC(38, 18),
-  transaction_hash TEXT,
-  log_index INTEGER,
-  block_number BIGINT,
+  token0_price_usd NUMERIC(38, 18),
+  token1_price_usd NUMERIC(38, 18),
+  sender TEXT,
+  to_address TEXT,
   timestamp TIMESTAMPTZ NOT NULL
 );
 
@@ -105,13 +113,9 @@ CREATE INDEX IF NOT EXISTS idx_swap_events_pool_time
   ON swap_events (chain_id, pool_address, timestamp DESC);
 CREATE INDEX IF NOT EXISTS idx_swap_events_token_time
   ON swap_events (chain_id, token0_address, token1_address, timestamp DESC);
-CREATE UNIQUE INDEX IF NOT EXISTS idx_swap_events_unique_log
-  ON swap_events (
-    chain_id,
-    pool_address,
-    COALESCE(transaction_hash, ''),
-    COALESCE(log_index, -1)
-  );
+DROP INDEX IF EXISTS idx_swap_events_unique_log;
+CREATE UNIQUE INDEX IF NOT EXISTS idx_swap_events_chain_tx_log
+  ON swap_events (chain_id, transaction_hash, log_index);
 
 CREATE TABLE IF NOT EXISTS token_ohlcv (
   id BIGSERIAL PRIMARY KEY,