def METHOD_NAME(self):
    if self.options.segwit:
        output_type = "p2sh-segwit"
    else:
        output_type = "legacy"
    # All nodes should start with 1,250 BTC:
    starting_balance = 1250
    for i in range(4):
        assert_equal(self.nodes[i].getbalance(), starting_balance)
        self.nodes[
            i
        ].getnewaddress()  # bug workaround, coins generated assigned to first getnewaddress!
    self.nodes[0].settxfee(0.001)
    node0_address1 = self.nodes[0].getnewaddress(address_type=output_type)
    node0_txid1 = self.nodes[0].sendtoaddress(node0_address1, 1219)
    node0_tx1 = self.nodes[0].gettransaction(node0_txid1)
    node0_address2 = self.nodes[0].getnewaddress(address_type=output_type)
    node0_txid2 = self.nodes[0].sendtoaddress(node0_address2, 29)
    node0_tx2 = self.nodes[0].gettransaction(node0_txid2)
    assert_equal(
        self.nodes[0].getbalance(),
        starting_balance + node0_tx1["fee"] + node0_tx2["fee"],
    )
    # Coins are sent to node1_address
    node1_address = self.nodes[1].getnewaddress()
    # Send tx1, and another transaction tx2 that won't be cloned
    txid1 = self.nodes[0].sendtoaddress(node1_address, 40)
    txid2 = self.nodes[0].sendtoaddress(node1_address, 20)
    # Construct a clone of tx1, to be malleated
    rawtx1 = self.nodes[0].getrawtransaction(txid1, 1)
    clone_inputs = [
        {
            "txid": rawtx1["vin"][0]["txid"],
            "vout": rawtx1["vin"][0]["vout"],
            "sequence": rawtx1["vin"][0]["sequence"],
        }
    ]
    clone_outputs = {
        rawtx1["vout"][0]["scriptPubKey"]["addresses"][0]: rawtx1["vout"][0][
            "value"
        ],
        rawtx1["vout"][1]["scriptPubKey"]["addresses"][0]: rawtx1["vout"][1][
            "value"
        ],
    }
    clone_locktime = rawtx1["locktime"]
    clone_raw = self.nodes[0].createrawtransaction(
        clone_inputs, clone_outputs, clone_locktime
    )
    # createrawtransaction randomizes the order of its outputs, so swap them if necessary.
    clone_tx = CTransaction()
    clone_tx.deserialize(io.BytesIO(bytes.fromhex(clone_raw)))
    if (
        rawtx1["vout"][0]["value"] == 40
        and clone_tx.vout[0].nValue != 40 * COIN
        or rawtx1["vout"][0]["value"] != 40
        and clone_tx.vout[0].nValue == 40 * COIN
    ):
        (clone_tx.vout[0], clone_tx.vout[1]) = (clone_tx.vout[1], clone_tx.vout[0])
    # Use a different signature hash type to sign.  This creates an equivalent but malleated clone.
    # Don't send the clone anywhere yet
    tx1_clone = self.nodes[0].signrawtransactionwithwallet(
        clone_tx.serialize().hex(), None, "ALL|ANYONECANPAY"
    )
    assert_equal(tx1_clone["complete"], True)
    # Have node0 mine a block, if requested:
    if self.options.mine_block:
        self.nodes[0].generate(1)
        self.sync_blocks(self.nodes[0:2])
    tx1 = self.nodes[0].gettransaction(txid1)
    tx2 = self.nodes[0].gettransaction(txid2)
    # Node0's balance should be starting balance, plus 50BTC for another
    # matured block, minus tx1 and tx2 amounts, and minus transaction fees:
    expected = starting_balance + node0_tx1["fee"] + node0_tx2["fee"]
    if self.options.mine_block:
        expected += 50
    expected += tx1["amount"] + tx1["fee"]
    expected += tx2["amount"] + tx2["fee"]
    assert_equal(self.nodes[0].getbalance(), expected)
    if self.options.mine_block:
        assert_equal(tx1["confirmations"], 1)
        assert_equal(tx2["confirmations"], 1)
    else:
        assert_equal(tx1["confirmations"], 0)
        assert_equal(tx2["confirmations"], 0)
    # Send clone and its parent to miner
    self.nodes[2].sendrawtransaction(node0_tx1["hex"])
    txid1_clone = self.nodes[2].sendrawtransaction(tx1_clone["hex"])
    if self.options.segwit:
        assert_equal(txid1, txid1_clone)
        return
    # ... mine a block...
    self.nodes[2].generate(1)
    # Reconnect the split network, and sync chain:
    connect_nodes(self.nodes[1], 2)
    self.nodes[2].sendrawtransaction(node0_tx2["hex"])
    self.nodes[2].sendrawtransaction(tx2["hex"])
    self.nodes[2].generate(1)  # Mine another block to make sure we sync
    self.sync_blocks()
    # Re-fetch transaction info:
    tx1 = self.nodes[0].gettransaction(txid1)
    tx1_clone = self.nodes[0].gettransaction(txid1_clone)
    tx2 = self.nodes[0].gettransaction(txid2)
    # Verify expected confirmations
    assert_equal(tx1["confirmations"], -2)
    assert_equal(tx1_clone["confirmations"], 2)
    assert_equal(tx2["confirmations"], 1)
    # Check node0's total balance; should be same as before the clone, + 100 BTC for 2 matured,
    # less possible orphaned matured subsidy
    expected += 100
    if self.options.mine_block:
        expected -= 50
    assert_equal(self.nodes[0].getbalance(), expected)