ipld-eth-server/db/migrations/1536710319_create_drip_drip_table.up.sql

CREATE TABLE maker.drip_drip (
  id            SERIAL PRIMARY KEY,
  header_id     INTEGER NOT NULL REFERENCES headers (id) ON DELETE CASCADE,
  ilk           TEXT,
  log_idx       INTEGER NOT NUll,
  tx_idx        INTEGER NOT NUll,
  raw_log       JSONB,
  UNIQUE (header_id, tx_idx, log_idx)
);