message: test: use MiniWallet for p2p_leak_tx.py
  This test can now be run even with the Bitcoin Core wallet disabled.
diff: @@ -10,6 +10,7 @@ from test_framework.test_framework import BitcoinTestFramework
  from test_framework.util import (
  assert_equal,
  )
  +from test_framework.wallet import MiniWallet
  class P2PNode(P2PDataStore):
  @@ -21,12 +22,12 @@ class P2PLeakTxTest(BitcoinTestFramework):
  def set_test_params(self):
  self.num_nodes = 1
  - def skip_test_if_missing_module(self):
  - self.skip_if_no_wallet()
  -
  def run_test(self):
  gen_node = self.nodes[0] # The block and tx generating node
  - gen_node.generate(1)
  + miniwallet = MiniWallet(gen_node)
  + # Add enough mature utxos to the wallet, so that all txs spend confirmed coins
  + miniwallet.generate(1)
  + gen_node.generate(100)
  inbound_peer = self.nodes[0].add_p2p_connection(P2PNode()) # An "attacking" inbound peer
  @@ -34,7 +35,7 @@ class P2PLeakTxTest(BitcoinTestFramework):
  self.log.info("Running test up to {} times.".format(MAX_REPEATS))
  for i in range(MAX_REPEATS):
  self.log.info('Run repeat {}'.format(i + 1))
  - txid = gen_node.sendtoaddress(gen_node.getnewaddress(), 0.01)
  + txid = miniwallet.send_self_transfer(from_node=gen_node)['wtxid']
  want_tx = msg_getdata()
  want_tx.inv.append(CInv(t=MSG_TX, h=int(txid, 16)))
  