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(.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"]}]
    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.
    # output 0 is at version+#inputs+input+sigstub+sequence+#outputs
    # 40 BTC serialized is 00286bee00000000
    pos0 = 2 * (4 + 1 + 36 + 1 + 4 + 1)
    hex40 = "00286bee00000000"
    output_len = 16 + 2 + 2 * int("0x" + clone_raw[pos0 + 16:pos0 + 16 + 2], 0)
    if (rawtx1["vout"][0]["value"] == 40 and clone_raw[pos0:pos0 + 16] != hex40 or rawtx1["vout"][0]["value"] != 40 and clone_raw[pos0:pos0 + 16] == hex40):
        output0 = clone_raw[pos0:pos0 + output_len]
        output1 = clone_raw[pos0 + output_len:pos0 + 2 * output_len]
        clone_raw = clone_raw[:pos0] + output1 + output0 + clone_raw[pos0 + 2 * output_len:]
    # 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_raw, 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)
        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
    sync_blocks(self.nodes)
    # 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)