[Tests] Rename create_tx and move to blocktools.py

test/functional/mempool_resurrect.py

@@ -5,6 +5,7 @@
 """Test resurrection of mined transactions when the blockchain is re-organized."""
 
 from test_framework.test_framework import BitcoinTestFramework
+from test_framework.blocktools import create_raw_transaction
 from test_framework.util import *
 
 # Create one-input, one-output, no-fee transaction:
@@ -27,13 +28,13 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
 
         b = [ self.nodes[0].getblockhash(n) for n in range(1, 4) ]
         coinbase_txids = [ self.nodes[0].getblock(h)['tx'][0] for h in b ]
-        spends1_raw = [ create_tx(self.nodes[0], txid, node0_address, 49.99) for txid in coinbase_txids ]
+        spends1_raw = [ create_raw_transaction(self.nodes[0], txid, node0_address, 49.99) for txid in coinbase_txids ]
         spends1_id = [ self.nodes[0].sendrawtransaction(tx) for tx in spends1_raw ]
 
         blocks = []
         blocks.extend(self.nodes[0].generate(1))
 
-        spends2_raw = [ create_tx(self.nodes[0], txid, node0_address, 49.98) for txid in spends1_id ]
+        spends2_raw = [ create_raw_transaction(self.nodes[0], txid, node0_address, 49.98) for txid in spends1_id ]
         spends2_id = [ self.nodes[0].sendrawtransaction(tx) for tx in spends2_raw ]
 
         blocks.extend(self.nodes[0].generate(1))