143 lines
6.2 KiB
143 lines
6.2 KiB
import traceback
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import sys
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import json
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import binascii
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import asyncio
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import time
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import os
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from lib.bitcoin import sha256
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from decimal import Decimal
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from lib.constants import set_testnet, set_simnet
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from lib.simple_config import SimpleConfig
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from lib.network import Network
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from lib.storage import WalletStorage
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from lib.wallet import Wallet
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from lib.lnbase import Peer, node_list, Outpoint, ChannelConfig, LocalState, RemoteState, Keypair, OnlyPubkeyKeypair, OpenChannel, ChannelConstraints, RevocationStore
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from lib.lightning_payencode.lnaddr import lnencode, LnAddr
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import lib.constants as constants
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is_key = lambda k: k.endswith("_basepoint") or k.endswith("_key")
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def maybeDecode(k, v):
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if k in ["pubkey", "privkey", "last_per_commitment_point", "next_per_commitment_point", "per_commitment_secret_seed"] and v is not None:
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return binascii.unhexlify(v)
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return v
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def decodeAll(v):
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return {i: maybeDecode(i, j) for i, j in v.items()} if isinstance(v, dict) else v
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def typeWrap(k, v, local):
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if is_key(k):
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if local:
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return Keypair(**v)
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else:
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return OnlyPubkeyKeypair(**v)
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return v
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def reconstruct_namedtuples(openingchannel):
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openingchannel=OpenChannel(**openingchannel)
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openingchannel = openingchannel._replace(funding_outpoint=Outpoint(**openingchannel.funding_outpoint))
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new_local_config = {k: typeWrap(k, decodeAll(v), True) for k, v in openingchannel.local_config.items()}
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openingchannel = openingchannel._replace(local_config=ChannelConfig(**new_local_config))
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new_remote_config = {k: typeWrap(k, decodeAll(v), False) for k, v in openingchannel.remote_config.items()}
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openingchannel = openingchannel._replace(remote_config=ChannelConfig(**new_remote_config))
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new_local_state = decodeAll(openingchannel.local_state)
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openingchannel = openingchannel._replace(local_state=LocalState(**new_local_state))
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new_remote_state = decodeAll(openingchannel.remote_state)
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new_remote_state["revocation_store"] = RevocationStore.from_json_obj(new_remote_state["revocation_store"])
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openingchannel = openingchannel._replace(remote_state=RemoteState(**new_remote_state))
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openingchannel = openingchannel._replace(constraints=ChannelConstraints(**openingchannel.constraints))
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return openingchannel
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def serialize_channels(channels):
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serialized_channels = []
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for chan in channels:
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namedtuples_to_dict = lambda v: {i: j._asdict() if isinstance(j, tuple) else j for i, j in v._asdict().items()}
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serialized_channels.append({k: namedtuples_to_dict(v) if isinstance(v, tuple) else v for k, v in chan._asdict().items()})
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class MyJsonEncoder(json.JSONEncoder):
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def default(self, o):
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if isinstance(o, bytes):
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return binascii.hexlify(o).decode("ascii")
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if isinstance(o, RevocationStore):
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return o.serialize()
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return super(MyJsonEncoder, self)
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dumped = MyJsonEncoder().encode(serialized_channels)
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roundtripped = json.loads(dumped)
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reconstructed = [reconstruct_namedtuples(x) for x in roundtripped]
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if reconstructed != channels:
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raise Exception("Channels did not roundtrip serialization without changes:\n" + repr(reconstructed) + "\n" + repr(channels))
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return roundtripped
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if __name__ == "__main__":
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if len(sys.argv) > 3:
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host, port, pubkey = sys.argv[3:6]
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else:
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host, port, pubkey = node_list[0]
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pubkey = binascii.unhexlify(pubkey)
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port = int(port)
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if sys.argv[1] not in ["new_channel", "reestablish_channel"]:
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raise Exception("first argument must be new_channel or reestablish_channel")
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if sys.argv[2] not in ["simnet", "testnet"]:
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raise Exception("second argument must be simnet or testnet")
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if sys.argv[2] == "simnet":
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set_simnet()
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config = SimpleConfig({'lnbase':True, 'simnet':True})
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else:
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set_testnet()
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config = SimpleConfig({'lnbase':True, 'testnet':True})
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# start network
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config.set_key('lightning_peers', [])
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network = Network(config)
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network.start()
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asyncio.set_event_loop(network.asyncio_loop)
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# wallet
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storage = WalletStorage(config.get_wallet_path())
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wallet = Wallet(storage)
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wallet.start_threads(network)
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# start peer
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privkey = sha256("0123456789")
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peer = Peer(host, port, pubkey, privkey, request_initial_sync=False, network=network)
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network.futures.append(asyncio.run_coroutine_threadsafe(peer.main_loop(), network.asyncio_loop))
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funding_satoshis = 1000000
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push_msat = 610000000
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# run blocking test
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async def async_test():
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payment_preimage = os.urandom(32)
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RHASH = sha256(payment_preimage)
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channels = wallet.storage.get("channels", None)
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if sys.argv[1] == "new_channel":
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openingchannel = await peer.channel_establishment_flow(wallet, config, None, funding_satoshis, push_msat, temp_channel_id=os.urandom(32))
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openchannel = await peer.wait_for_funding_locked(openingchannel, wallet)
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dumped = serialize_channels([openchannel])
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wallet.storage.put("channels", dumped)
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wallet.storage.write()
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return openchannel.channel_id
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if channels is None or len(channels) < 1:
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raise Exception("Can't reestablish: No channel saved")
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openchannel = channels[0]
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openchannel = reconstruct_namedtuples(openchannel)
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openchannel = await peer.reestablish_channel(openchannel)
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expected_received_sat = 200000
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pay_req = lnencode(LnAddr(RHASH, amount=Decimal("0.00000001")*expected_received_sat, tags=[('d', 'one cup of coffee')]), peer.privkey[:32])
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print("payment request", pay_req)
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advanced_channel = await peer.receive_commitment_revoke_ack(openchannel, expected_received_sat, payment_preimage)
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dumped = serialize_channels([advanced_channel])
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wallet.storage.put("channels", dumped)
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wallet.storage.write()
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fut = asyncio.run_coroutine_threadsafe(async_test(), network.asyncio_loop)
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while not fut.done():
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time.sleep(1)
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try:
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if fut.exception():
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raise fut.exception()
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except:
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traceback.print_exc()
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else:
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print("result", fut.result())
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finally:
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network.stop()
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