test: Return dict in MiniWallet::send_to

test/functional/feature_coinstatsindex.py

@@ -145,14 +145,14 @@ class CoinStatsIndexTest(BitcoinTestFramework):
             self.block_sanity_check(res5['block_info'])
 
         # Generate and send a normal tx with two outputs
-        tx1_txid, tx1_vout = self.wallet.send_to(
+        tx1 = self.wallet.send_to(
             from_node=node,
             scriptPubKey=self.wallet.get_scriptPubKey(),
             amount=21 * COIN,
         )
 
         # Find the right position of the 21 BTC output
-        tx1_out_21 = self.wallet.get_utxo(txid=tx1_txid, vout=tx1_vout)
+        tx1_out_21 = self.wallet.get_utxo(txid=tx1["txid"], vout=tx1["sent_vout"])
 
         # Generate and send another tx with an OP_RETURN output (which is unspendable)
         tx2 = self.wallet.create_self_transfer(utxo_to_spend=tx1_out_21)['tx']

test/functional/feature_rbf.py

@@ -93,7 +93,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         confirmed - txout created will be confirmed in the blockchain;
                     unconfirmed otherwise.
         """
-        txid, n = self.wallet.send_to(from_node=node, scriptPubKey=scriptPubKey or self.wallet.get_scriptPubKey(), amount=amount)
+        tx = self.wallet.send_to(from_node=node, scriptPubKey=scriptPubKey or self.wallet.get_scriptPubKey(), amount=amount)
 
         if confirmed:
             mempool_size = len(node.getrawmempool())
@@ -105,7 +105,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
                 assert new_size < mempool_size
                 mempool_size = new_size
 
-        return self.wallet.get_utxo(txid=txid, vout=n)
+        return self.wallet.get_utxo(txid=tx["txid"], vout=tx["sent_vout"])
 
     def test_simple_doublespend(self):
         """Simple doublespend"""

test/functional/interface_rest.py

@@ -96,7 +96,7 @@ class RESTTest (BitcoinTestFramework):
         self.wallet = MiniWallet(self.nodes[0])
 
         self.log.info("Broadcast test transaction and sync nodes")
-        txid, _ = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=getnewdestination()[1], amount=int(0.1 * COIN))
+        txid = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=getnewdestination()[1], amount=int(0.1 * COIN))["txid"]
         self.sync_all()
 
         self.log.info("Test the /tx URI")
@@ -173,7 +173,7 @@ class RESTTest (BitcoinTestFramework):
         # found with or without /checkmempool.
 
         # do a tx and don't sync
-        txid, _ = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=getnewdestination()[1], amount=int(0.1 * COIN))
+        txid = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=getnewdestination()[1], amount=int(0.1 * COIN))["txid"]
         json_obj = self.test_rest_request(f"/tx/{txid}")
         # get the spent output to later check for utxo (should be spent by then)
         spent = (json_obj['vin'][0]['txid'], json_obj['vin'][0]['vout'])

test/functional/mempool_accept.py

@@ -350,7 +350,7 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
 
         self.log.info('A tiny transaction(in non-witness bytes) that is disallowed')
         tx = CTransaction()
-        tx.vin.append(CTxIn(COutPoint(int(seed_tx[0], 16), seed_tx[1]), b"", SEQUENCE_FINAL))
+        tx.vin.append(CTxIn(COutPoint(int(seed_tx["txid"], 16), seed_tx["sent_vout"]), b"", SEQUENCE_FINAL))
         tx.wit.vtxinwit = [CTxInWitness()]
         tx.wit.vtxinwit[0].scriptWitness.stack = [CScript([OP_TRUE])]
         tx.vout.append(CTxOut(0, CScript([OP_RETURN] + ([OP_0] * (MIN_PADDING - 2)))))

test/functional/mempool_sigoplimit.py

@@ -49,7 +49,7 @@ class BytesPerSigOpTest(BitcoinTestFramework):
         """Create a 1-input-1-output P2WSH spending transaction with only the
            witness script in the witness stack and the given output script."""
         # create P2WSH address and fund it via MiniWallet first
-        txid, vout = self.wallet.send_to(
+        fund = self.wallet.send_to(
             from_node=self.nodes[0],
             scriptPubKey=script_to_p2wsh_script(witness_script),
             amount=1000000,
@@ -57,7 +57,7 @@ class BytesPerSigOpTest(BitcoinTestFramework):
 
         # create spending transaction
         tx = CTransaction()
-        tx.vin = [CTxIn(COutPoint(int(txid, 16), vout))]
+        tx.vin = [CTxIn(COutPoint(int(fund["txid"], 16), fund["sent_vout"]))]
         tx.wit.vtxinwit = [CTxInWitness()]
         tx.wit.vtxinwit[0].scriptWitness.stack = [bytes(witness_script)]
         tx.vout = [CTxOut(500000, output_script)]

test/functional/p2p_filter.py

@@ -136,7 +136,7 @@ class FilterTest(BitcoinTestFramework):
         filter_peer = P2PBloomFilter()
 
         self.log.debug("Create a tx relevant to the peer before connecting")
-        txid, _ = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=filter_peer.watch_script_pubkey, amount=9 * COIN)
+        txid = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=filter_peer.watch_script_pubkey, amount=9 * COIN)["txid"]
 
         self.log.debug("Send a mempool msg after connecting and check that the tx is received")
         self.nodes[0].add_p2p_connection(filter_peer)
@@ -183,14 +183,14 @@ class FilterTest(BitcoinTestFramework):
 
         self.log.info('Check that we receive a tx if the filter matches a mempool tx')
         filter_peer.merkleblock_received = False
-        txid, _ = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=filter_peer.watch_script_pubkey, amount=9 * COIN)
+        txid = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=filter_peer.watch_script_pubkey, amount=9 * COIN)["txid"]
         filter_peer.wait_for_tx(txid)
         assert not filter_peer.merkleblock_received
 
         self.log.info('Check that after deleting filter all txs get relayed again')
         filter_peer.send_and_ping(msg_filterclear())
         for _ in range(5):
-            txid, _ = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=getnewdestination()[1], amount=7 * COIN)
+            txid = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=getnewdestination()[1], amount=7 * COIN)["txid"]
             filter_peer.wait_for_tx(txid)
 
         self.log.info('Check that request for filtered blocks is ignored if no filter is set')

test/functional/rpc_createmultisig.py

@@ -195,7 +195,7 @@ class RpcCreateMultiSigTest(BitcoinTestFramework):
             wmulti.unloadwallet()
 
         spk = address_to_scriptpubkey(madd)
-        txid, _ = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=spk, amount=1300)
+        txid = self.wallet.send_to(from_node=self.nodes[0], scriptPubKey=spk, amount=1300)["txid"]
         tx = node0.getrawtransaction(txid, True)
         vout = [v["n"] for v in tx["vout"] if madd == v["scriptPubKey"]["address"]]
         assert len(vout) == 1

test/functional/test_framework/wallet.py

@@ -256,15 +256,19 @@ class MiniWallet:
         Note that this method fails if there is no single internal utxo
         available that can cover the cost for the amount and the fixed fee
         (the utxo with the largest value is taken).
-
-        Returns a tuple (txid, n) referring to the created external utxo outpoint.
         """
         tx = self.create_self_transfer(fee_rate=0)["tx"]
         assert_greater_than_or_equal(tx.vout[0].nValue, amount + fee)
         tx.vout[0].nValue -= (amount + fee)           # change output -> MiniWallet
         tx.vout.append(CTxOut(amount, scriptPubKey))  # arbitrary output -> to be returned
         txid = self.sendrawtransaction(from_node=from_node, tx_hex=tx.serialize().hex())
-        return txid, 1
+        return {
+            "sent_vout": 1,
+            "txid": txid,
+            "wtxid": tx.getwtxid(),
+            "hex": tx.serialize().hex(),
+            "tx": tx,
+        }
 
     def send_self_transfer_multi(self, *, from_node, **kwargs):
         """Call create_self_transfer_multi and send the transaction."""