(node_factory, bitcoind, chainparams)
| 337 | @unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need') |
| 338 | @pytest.mark.openchannel('v2') |
| 339 | def test_v2_rbf_single(node_factory, bitcoind, chainparams): |
| 340 | l1, l2 = node_factory.get_nodes(2) |
| 341 | |
| 342 | l1.rpc.connect(l2.info['id'], 'localhost', l2.port) |
| 343 | amount = 2**24 |
| 344 | chan_amount = 100000 |
| 345 | bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['p2tr'], amount / 10**8 + 0.01) |
| 346 | bitcoind.generate_block(1) |
| 347 | # Wait for it to arrive. |
| 348 | wait_for(lambda: len(l1.rpc.listfunds()['outputs']) > 0) |
| 349 | |
| 350 | res = l1.rpc.fundchannel(l2.info['id'], chan_amount) |
| 351 | chan_id = res['channel_id'] |
| 352 | vins = bitcoind.rpc.decoderawtransaction(res['tx'])['vin'] |
| 353 | assert(only_one(vins)) |
| 354 | prev_utxos = ["{}:{}".format(vins[0]['txid'], vins[0]['vout'])] |
| 355 | |
| 356 | # Check that we're waiting for lockin |
| 357 | l1.daemon.wait_for_log(' to DUALOPEND_AWAITING_LOCKIN') |
| 358 | |
| 359 | next_feerate = find_next_feerate(l1, l2) |
| 360 | |
| 361 | # Check that feerate info is correct |
| 362 | info_1 = only_one(l1.rpc.listpeerchannels(l2.info['id'])['channels']) |
| 363 | assert info_1['initial_feerate'] == info_1['last_feerate'] |
| 364 | rate = int(info_1['last_feerate'][:-5]) |
| 365 | assert int(info_1['next_feerate'][:-5]) == rate * 25 // 24 |
| 366 | |
| 367 | # Initiate an RBF |
| 368 | startweight = 42 + 172 # base weight, funding output |
| 369 | initpsbt = l1.rpc.utxopsbt(chan_amount, next_feerate, startweight, |
| 370 | prev_utxos, reservedok=True, |
| 371 | excess_as_change=True) |
| 372 | |
| 373 | # Do the bump |
| 374 | bump = l1.rpc.openchannel_bump(chan_id, chan_amount, initpsbt['psbt']) |
| 375 | |
| 376 | update = l1.rpc.openchannel_update(chan_id, bump['psbt']) |
| 377 | assert update['commitments_secured'] |
| 378 | |
| 379 | # Check that feerate info has incremented |
| 380 | info_2 = only_one(l1.rpc.listpeerchannels(l2.info['id'])['channels']) |
| 381 | assert info_1['initial_feerate'] == info_2['initial_feerate'] |
| 382 | assert info_1['next_feerate'] == info_2['last_feerate'] |
| 383 | |
| 384 | rate = int(info_2['last_feerate'][:-5]) |
| 385 | assert int(info_2['next_feerate'][:-5]) == rate * 25 // 24 |
| 386 | |
| 387 | # Sign our inputs, and continue |
| 388 | signed_psbt = l1.rpc.signpsbt(update['psbt'])['signed_psbt'] |
| 389 | |
| 390 | l1.rpc.openchannel_signed(chan_id, signed_psbt) |
| 391 | |
| 392 | # Do it again, with a higher feerate |
| 393 | info_2 = only_one(l1.rpc.listpeerchannels(l2.info['id'])['channels']) |
| 394 | assert info_1['initial_feerate'] == info_2['initial_feerate'] |
| 395 | assert info_1['next_feerate'] == info_2['last_feerate'] |
| 396 | rate = int(info_2['last_feerate'][:-5]) |
nothing calls this directly
no test coverage detected