f - re-use P2WPKH_WITNESS_WEIGHT

Author: jkczyz

lightning/src/sign/mod.rs

@@ -523,13 +523,7 @@ impl SpendableOutputDescriptor {
 						sequence: Sequence::ZERO,
 						witness: Witness::new(),
 					});
-					const STATIC_OUTPUT_WITNESS_WEIGHT: u64 = (1 /* witness items */
-						+ 1 /* sig push */
-						+ bitcoin::secp256k1::constants::MAX_SIGNATURE_SIZE
-						+ 1 /* pubkey push */
-						+ bitcoin::secp256k1::constants::PUBLIC_KEY_SIZE)
-						as u64;
-					witness_weight += STATIC_OUTPUT_WITNESS_WEIGHT;
+					witness_weight += P2WPKH_WITNESS_WEIGHT;
 					#[cfg(feature = "grind_signatures")]
 					{
 						// Guarantees a low R signature