Returns the number of Refund signatures required for a NUT-11 P2PK secret.
The NUT-11 P2PK secret.
Number of Refund signatories (n_sigs_refund) required, or 0 if lock is inactive.
0
Returns 0 if the refund lock is currently inactive.
Proof may still be locked - use: getP2PKNSigs() to check!
If secret is not P2PK.
Returns the number of Refund signatures required for a NUT-11 P2PK secret.