1 files changed, 5 insertions, 2 deletions
diff --git a/src/core.h b/src/core.h
index 7b4c6af319..e61cad90ec 100644
--- a/src/core.h
+++ b/src/core.h
@@ -54,11 +54,11 @@ public:
 class CInPoint
 {
 public:
-    CTransaction* ptx;
+    const CTransaction* ptx;
     unsigned int n;
 
     CInPoint() { SetNull(); }
-    CInPoint(CTransaction* ptxIn, unsigned int nIn) { ptx = ptxIn; n = nIn; }
+    CInPoint(const CTransaction* ptxIn, unsigned int nIn) { ptx = ptxIn; n = nIn; }
     void SetNull() { ptx = NULL; n = (unsigned int) -1; }
     bool IsNull() const { return (ptx == NULL && n == (unsigned int) -1); }
 };
@@ -226,6 +226,9 @@ public:
     // GetValueIn() is a method on CCoinsViewCache, because
     // inputs must be known to compute value in.
 
+    // Compute priority, given priority of inputs and (optionally) tx size
+    double ComputePriority(double dPriorityInputs, unsigned int nTxSize=0) const;
+
     bool IsCoinBase() const
     {
         return (vin.size() == 1 && vin[0].prevout.IsNull());