When HTLC created in response to already created HTLC in the other blockchain, then counterpart supposed to reveal the secret by redeeming it's HTLC. Function atomics_check_htlc_redeemed needed for the wallet, which created HTLC with the given htlc_hash, without knowing it's secret. By calling this function, owner can figure out if the HTLC had been redeemed and secret revealed by counterpart.
- htlc_tx_id - ID for transaction carrying HTLC.
- origin_secrete_as_hex - Revealed origin secret, encoded in HEX. If this field is empty, then HTLC have not been redeemed yet.
- redeem_tx_id - ID of transaction that redeem HTLC. Likely you won't need this field, put it here just in case.