qa: Add RPC tests for weight in mempool entry

Author: esotericnonsense

test/functional/feature_segwit.py

@@ -226,6 +226,16 @@ def run_test(self):
         assert tx.wit.is_null()  # This should not be a segwit input
         assert txid1 in self.nodes[0].getrawmempool()
 
+        tx1_hex = self.nodes[0].gettransaction(txid1)['hex']
+        tx1 = FromHex(CTransaction(), tx1_hex)
+
+        # Check that wtxid is properly reported in mempool entry (txid1)
+        assert_equal(int(self.nodes[0].getmempoolentry(txid1)["wtxid"], 16), tx1.calc_sha256(True))
+
+        # Check that weight and vsize are properly reported in mempool entry (txid1)
+        assert_equal(self.nodes[0].getmempoolentry(txid1)["vsize"], (self.nodes[0].getmempoolentry(txid1)["weight"] + 3) // 4)
+        assert_equal(self.nodes[0].getmempoolentry(txid1)["weight"], len(tx1.serialize_without_witness())*3 + len(tx1.serialize_with_witness()))
+
         # Now create tx2, which will spend from txid1.
         tx = CTransaction()
         tx.vin.append(CTxIn(COutPoint(int(txid1, 16), 0), b''))
@@ -235,6 +245,13 @@ def run_test(self):
         tx = FromHex(CTransaction(), tx2_hex)
         assert not tx.wit.is_null()
 
+        # Check that wtxid is properly reported in mempool entry (txid2)
+        assert_equal(int(self.nodes[0].getmempoolentry(txid2)["wtxid"], 16), tx.calc_sha256(True))
+
+        # Check that weight and vsize are properly reported in mempool entry (txid2)
+        assert_equal(self.nodes[0].getmempoolentry(txid2)["vsize"], (self.nodes[0].getmempoolentry(txid2)["weight"] + 3) // 4)
+        assert_equal(self.nodes[0].getmempoolentry(txid2)["weight"], len(tx.serialize_without_witness())*3 + len(tx.serialize_with_witness()))
+
         # Now create tx3, which will spend from txid2
         tx = CTransaction()
         tx.vin.append(CTxIn(COutPoint(int(txid2, 16), 0), b""))
@@ -251,9 +268,13 @@ def run_test(self):
         assert txid2 in template_txids
         assert txid3 in template_txids
 
-        # Check that wtxid is properly reported in mempool entry
+        # Check that wtxid is properly reported in mempool entry (txid3)
         assert_equal(int(self.nodes[0].getmempoolentry(txid3)["wtxid"], 16), tx.calc_sha256(True))
 
+        # Check that weight and vsize are properly reported in mempool entry (txid3)
+        assert_equal(self.nodes[0].getmempoolentry(txid3)["vsize"], (self.nodes[0].getmempoolentry(txid3)["weight"] + 3) // 4)
+        assert_equal(self.nodes[0].getmempoolentry(txid3)["weight"], len(tx.serialize_without_witness())*3 + len(tx.serialize_with_witness()))
+
         # Mine a block to clear the gbt cache again.
         self.nodes[0].generate(1)