From 1bf3b513966e34b45ea359cbe7576383437f5d93 Mon Sep 17 00:00:00 2001
From: Suhas Daftuar <sdaftuar@chaincode.com>
Date: Thu, 30 Jan 2025 13:16:21 -0500
Subject: [PATCH] Add sigops adjusted weight calculator

---
 src/policy/policy.cpp | 7 ++++++-
 src/policy/policy.h   | 5 +++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp
index 3da6cb7489b..b159d616021 100644
--- a/src/policy/policy.cpp
+++ b/src/policy/policy.cpp
@@ -373,9 +373,14 @@ bool SpendsNonAnchorWitnessProg(const CTransaction& tx, const CCoinsViewCache& p
     return false;
 }
 
+int64_t GetSigOpsAdjustedWeight(int64_t weight, int64_t sigop_cost, unsigned int bytes_per_sigop)
+{
+    return std::max(weight, sigop_cost * bytes_per_sigop);
+}
+
 int64_t GetVirtualTransactionSize(int64_t nWeight, int64_t nSigOpCost, unsigned int bytes_per_sigop)
 {
-    return (std::max(nWeight, nSigOpCost * bytes_per_sigop) + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR;
+    return (GetSigOpsAdjustedWeight(nWeight, nSigOpCost, bytes_per_sigop) + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR;
 }
 
 int64_t GetVirtualTransactionSize(const CTransaction& tx, int64_t nSigOpCost, unsigned int bytes_per_sigop)
diff --git a/src/policy/policy.h b/src/policy/policy.h
index 0131b56b031..0e4314ea9d5 100644
--- a/src/policy/policy.h
+++ b/src/policy/policy.h
@@ -11,6 +11,7 @@
 #include <primitives/transaction.h>
 #include <script/interpreter.h>
 #include <script/solver.h>
+#include <util/feefrac.h>
 
 #include <cstdint>
 #include <string>
@@ -188,4 +189,8 @@ static inline int64_t GetVirtualTransactionInputSize(const CTxIn& tx)
     return GetVirtualTransactionInputSize(tx, 0, 0);
 }
 
+int64_t GetSigOpsAdjustedWeight(int64_t weight, int64_t sigop_cost, unsigned int bytes_per_sigop);
+
+static inline FeePerVSize ToFeePerVSize(FeePerWeight feerate) { return {feerate.fee, (feerate.size + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR}; }
+
 #endif // BITCOIN_POLICY_POLICY_H