Module scripts 

Bitcoin script helpers: HTLC, Timelock (CLTV/CSV), and Coin Selection.

Structs

CoinSelectionResult

Result of coin selection.

Utxo

A UTXO available for spending.

Functions

cltv_script

Build a CLTV (CheckLockTimeVerify, BIP-65) timelock script.

csv_script

Build a CSV (CheckSequenceVerify, BIP-112) relative timelock script.

htlc_claim_witness

Build the witness for claiming an HTLC (hashlock path).

htlc_payment_hash

Compute the SHA-256 hash of a preimage for HTLC usage.

htlc_refund_witness

Build the witness for refunding an HTLC (timelock path).

htlc_script

Build an HTLC (Hash Time-Locked Contract) script.

is_block_height_locktime

Check if a locktime value represents a block height or Unix timestamp.

select_coins_bnb

Select coins using Branch and Bound (BnB) algorithm.

select_coins_srd

Select coins using Single Random Draw (SRD) algorithm.