feerate: add a 'common_weight' calculation for a tx

The bits of a transaction that are paid by the opener!
2026-02-19 21:14:38 +01:00 · 2020-09-09 16:50:52 +09:30
parent 6cfac5d2a6
commit b2170cf3f4
2 changed files with 15 additions and 0 deletions
--- a/bitcoin/feerate.h
+++ b/bitcoin/feerate.h
@@ -34,6 +34,11 @@
 */
 #define FEERATE_FLOOR 253

+/*
+ * This is the net common weight of a transaction.
+ */
+size_t common_weight(size_t num_inputs, size_t num_outputs);
+
 enum feerate_style {
 	FEERATE_PER_KSIPA,
 	FEERATE_PER_KBYTE