Add virtual size to TX

The virtual size of a TX can be useful info to have, as it's what is used to calculate the fee when fee/byte is used. Allow users to get the virtual size.
goatpig · Dec 24, 2018 · fec1f39 · fec1f39
1 parent 8c0e848
commit fec1f39
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diff --git a/cppForSwig/TxClasses.cpp b/cppForSwig/TxClasses.cpp
@@ -480,6 +480,13 @@ size_t Tx::getTxWeight() const
    return size;
 }
 
+/////////////////////////////////////////////////////////////////////////////
+// Get the virtual size of the TX. Used in Bitcoin to determine minimum fees.
+size_t Tx::getVirtSize(void) const
+{
+   return std::ceil(static_cast<float>(getTxWeight()) / 4.0f);
+}
+
 /////////////////////////////////////////////////////////////////////////////
 void Tx::pprint(ostream & os, int nIndent, bool pBigendian)
 {

diff --git a/cppForSwig/TxClasses.h b/cppForSwig/TxClasses.h
@@ -328,6 +328,7 @@ class Tx
 
    //returns tx weight in bytes
    size_t getTxWeight(void) const;
+   size_t getVirtSize(void) const;
 
 private:
    // Full copy of the serialized tx