- UNIQUE KEY `source_mux_id` (`chain_id`,`source_mux_id`),
- UNIQUE KEY `source_tx_hash` (`chain_id`,`source_tx_hash`),
- UNIQUE KEY `source_blockhash_txidx` (`chain_id`,`source_block_hash`,`source_tx_index`),
- UNIQUE KEY `source_blockheight_txidx` (`chain_id`,`source_block_height`,`source_tx_index`),
- UNIQUE KEY `dest_tx_hash` (`chain_id`,`dest_tx_hash`),
- UNIQUE KEY `dest_blockhash_txidx` (`chain_id`,`dest_block_hash`,`dest_tx_index`),
- UNIQUE KEY `dest_blockheight_txidx` (`chain_id`,`dest_block_height`,`dest_tx_index`),
+ UNIQUE KEY `chain_id` (`chain_id`),
+ UNIQUE KEY `source_tx_hash` (`source_tx_hash`),
+ UNIQUE KEY `dest_tx_hash` (`dest_tx_hash`),