tln: remove EncumberedTransaction - electrum - Electrum Bitcoin wallet HTML git clone https://git.parazyd.org/electrum DIR Log DIR Files DIR Refs DIR Submodules --- DIR commit 2c1fcb2f54f3ad8740aa15ccfa4d43a2732ff60b DIR parent 60508725b6745edb7d1a5f961e5e88285ccfc390 HTML Author: Janus <ysangkok@gmail.com> Date: Thu, 20 Dec 2018 18:09:55 +0100 ln: remove EncumberedTransaction Diffstat: M electrum/lnsweep.py | 69 ++++++++++++++++++------------- M electrum/lnutil.py | 31 +++++-------------------------- M electrum/lnwatcher.py | 14 +++++++------- M electrum/tests/test_lnutil.py | 4 +++- M electrum/tests/test_transaction.py | 4 ++-- M electrum/transaction.py | 20 +++++++++++++++++++- 6 files changed, 76 insertions(+), 66 deletions(-) --- DIR diff --git a/electrum/lnsweep.py b/electrum/lnsweep.py t@@ -7,8 +7,7 @@ from typing import Optional, Dict, List, Tuple, TYPE_CHECKING from .util import bfh, bh2u, print_error from .bitcoin import TYPE_ADDRESS, redeem_script_to_address, dust_threshold from . import ecc -from .lnutil import (EncumberedTransaction, - make_commitment_output_to_remote_address, make_commitment_output_to_local_witness_script, +from .lnutil import (make_commitment_output_to_remote_address, make_commitment_output_to_local_witness_script, derive_privkey, derive_pubkey, derive_blinded_pubkey, derive_blinded_privkey, make_htlc_tx_witness, make_htlc_tx_with_open_channel, LOCAL, REMOTE, make_htlc_output_witness_script, UnknownPaymentHash, t@@ -49,11 +48,12 @@ def maybe_create_sweeptx_for_their_ctx_to_local(ctx: Transaction, revocation_pri witness_script=witness_script, privkey=revocation_privkey, is_revocation=True) + if sweep_tx is None: return None return sweep_tx def create_sweeptxs_for_their_just_revoked_ctx(chan: 'Channel', ctx: Transaction, per_commitment_secret: bytes, - sweep_address: str) -> Dict[str,EncumberedTransaction]: + sweep_address: str) -> Dict[str,Transaction]: """Presign sweeping transactions using the just received revoked pcs. These will only be utilised if the remote breaches. Sweep 'lo_local', and all the HTLCs (two cases: directly from ctx, or from HTLC tx). t@@ -73,7 +73,7 @@ def create_sweeptxs_for_their_just_revoked_ctx(chan: 'Channel', ctx: Transaction delayed_pubkey=this_delayed_pubkey, sweep_address=sweep_address) if sweep_tx: - txs[ctx.txid()] = EncumberedTransaction('their_ctx_to_local', sweep_tx, csv_delay=0, cltv_expiry=0) + txs[ctx.txid()] = sweep_tx # HTLCs def create_sweeptx_for_htlc(htlc: 'UpdateAddHtlc', is_received_htlc: bool) -> Tuple[Optional[Transaction], Optional[Transaction], t@@ -96,6 +96,8 @@ def create_sweeptxs_for_their_just_revoked_ctx(chan: 'Channel', ctx: Transaction is_revocation=True) # sweep from htlc tx secondstage_sweep_tx = create_sweeptx_that_spends_htlctx_that_spends_htlc_in_ctx( + 'their_htlctx_', + to_self_delay=0, htlc_tx=htlc_tx, htlctx_witness_script=htlc_tx_witness_script, sweep_address=sweep_address, t@@ -109,22 +111,22 @@ def create_sweeptxs_for_their_just_revoked_ctx(chan: 'Channel', ctx: Transaction for htlc in received_htlcs: direct_sweep_tx, secondstage_sweep_tx, htlc_tx = create_sweeptx_for_htlc(htlc, is_received_htlc=True) if direct_sweep_tx: - txs[ctx.txid()] = EncumberedTransaction(f'their_ctx_sweep_htlc_{bh2u(htlc.payment_hash)}', direct_sweep_tx, csv_delay=0, cltv_expiry=0) + txs[ctx.txid()] = direct_sweep_tx if secondstage_sweep_tx: - txs[htlc_tx.txid()] = EncumberedTransaction(f'their_htlctx_{bh2u(htlc.payment_hash)}', secondstage_sweep_tx, csv_delay=0, cltv_expiry=0) + txs[htlc_tx.txid()] = secondstage_sweep_tx # offered HTLCs, in their ctx offered_htlcs = chan.included_htlcs(REMOTE, REMOTE, False) for htlc in offered_htlcs: direct_sweep_tx, secondstage_sweep_tx, htlc_tx = create_sweeptx_for_htlc(htlc, is_received_htlc=False) if direct_sweep_tx: - txs[ctx.txid()] = EncumberedTransaction(f'their_ctx_sweep_htlc_{bh2u(htlc.payment_hash)}', direct_sweep_tx, csv_delay=0, cltv_expiry=0) + txs[ctx.txid()] = direct_sweep_tx if secondstage_sweep_tx: - txs[htlc_tx.txid()] = EncumberedTransaction(f'their_htlctx_{bh2u(htlc.payment_hash)}', secondstage_sweep_tx, csv_delay=0, cltv_expiry=0) + txs[htlc_tx.txid()] = secondstage_sweep_tx return txs def create_sweeptxs_for_our_latest_ctx(chan: 'Channel', ctx: Transaction, - sweep_address: str) -> Dict[str,EncumberedTransaction]: + sweep_address: str) -> Dict[str,Transaction]: """Handle the case where we force close unilaterally with our latest ctx. Construct sweep txns for 'to_local', and for all HTLCs (2 txns each). 'to_local' can be swept even if this is a breach (by us), t@@ -151,7 +153,7 @@ def create_sweeptxs_for_our_latest_ctx(chan: 'Channel', ctx: Transaction, remote_revocation_pubkey=other_revocation_pubkey, to_self_delay=to_self_delay) if sweep_tx: - txs[sweep_tx.prevout(0)] = EncumberedTransaction('our_ctx_to_local', sweep_tx, csv_delay=to_self_delay, cltv_expiry=0) + txs[sweep_tx.prevout(0)] = sweep_tx # HTLCs def create_txns_for_htlc(htlc: 'UpdateAddHtlc', is_received_htlc: bool) -> Tuple[Optional[Transaction], Optional[Transaction]]: if is_received_htlc: t@@ -171,6 +173,7 @@ def create_sweeptxs_for_our_latest_ctx(chan: 'Channel', ctx: Transaction, preimage=preimage, is_received_htlc=is_received_htlc) to_wallet_tx = create_sweeptx_that_spends_htlctx_that_spends_htlc_in_ctx( + 'our_ctx_htlc_tx_', to_self_delay=to_self_delay, htlc_tx=htlc_tx, htlctx_witness_script=htlctx_witness_script, t@@ -184,21 +187,21 @@ def create_sweeptxs_for_our_latest_ctx(chan: 'Channel', ctx: Transaction, for htlc in offered_htlcs: htlc_tx, to_wallet_tx = create_txns_for_htlc(htlc, is_received_htlc=False) if htlc_tx and to_wallet_tx: - txs[to_wallet_tx.prevout(0)] = EncumberedTransaction(f'second_stage_to_wallet_{bh2u(htlc.payment_hash)}', to_wallet_tx, csv_delay=to_self_delay, cltv_expiry=0) - txs[htlc_tx.prevout(0)] = EncumberedTransaction(f'our_ctx_htlc_tx_{bh2u(htlc.payment_hash)}', htlc_tx, csv_delay=0, cltv_expiry=htlc.cltv_expiry) + txs[to_wallet_tx.prevout(0)] = to_wallet_tx + txs[htlc_tx.prevout(0)] = htlc_tx # received HTLCs, in our ctx --> "success" # TODO consider carefully if "included_htlcs" is what we need here received_htlcs = list(chan.included_htlcs(LOCAL, REMOTE)) # type: List[UpdateAddHtlc] for htlc in received_htlcs: htlc_tx, to_wallet_tx = create_txns_for_htlc(htlc, is_received_htlc=True) if htlc_tx and to_wallet_tx: - txs[to_wallet_tx.prevout(0)] = EncumberedTransaction(f'second_stage_to_wallet_{bh2u(htlc.payment_hash)}', to_wallet_tx, csv_delay=to_self_delay, cltv_expiry=0) - txs[htlc_tx.prevout(0)] = EncumberedTransaction(f'our_ctx_htlc_tx_{bh2u(htlc.payment_hash)}', htlc_tx, csv_delay=0, cltv_expiry=0) + txs[to_wallet_tx.prevout(0)] = to_wallet_tx + txs[htlc_tx.prevout(0)] = htlc_tx return txs def create_sweeptxs_for_their_latest_ctx(chan: 'Channel', ctx: Transaction, - sweep_address: str) -> Dict[str,EncumberedTransaction]: + sweep_address: str) -> Dict[str,Transaction]: """Handle the case when the remote force-closes with their ctx. Regardless of it is a breach or not, construct sweep tx for 'to_remote'. If it is a breach, also construct sweep tx for 'to_local'. t@@ -244,13 +247,13 @@ def create_sweeptxs_for_their_latest_ctx(chan: 'Channel', ctx: Transaction, delayed_pubkey=this_delayed_pubkey, sweep_address=sweep_address) if sweep_tx: - txs[sweep_tx.prevout(0)] = EncumberedTransaction('their_ctx_to_local', sweep_tx, csv_delay=0, cltv_expiry=0) + txs[sweep_tx.prevout(0)] = sweep_tx # to_remote sweep_tx = maybe_create_sweeptx_for_their_ctx_to_remote(ctx=ctx, sweep_address=sweep_address, our_payment_privkey=other_payment_privkey) if sweep_tx: - txs[sweep_tx.prevout(0)] = EncumberedTransaction('their_ctx_to_remote', sweep_tx, csv_delay=0, cltv_expiry=0) + txs[sweep_tx.prevout(0)] = sweep_tx # HTLCs # from their ctx, we can only redeem HTLCs if the ctx was not revoked, # as old HTLCs are not stored. (if it was revoked, then we should have presigned txns t@@ -279,20 +282,21 @@ def create_sweeptxs_for_their_latest_ctx(chan: 'Channel', ctx: Transaction, htlc_output_witness_script=htlc_output_witness_script, privkey=other_htlc_privkey.get_secret_bytes(), preimage=preimage, - is_revocation=False) + is_revocation=False, + cltv_expiry=htlc.cltv_expiry if is_received_htlc else 0) return sweep_tx # received HTLCs, in their ctx --> "timeout" received_htlcs = chan.included_htlcs_in_their_latest_ctxs(LOCAL)[ctn] # type: List[UpdateAddHtlc] for htlc in received_htlcs: sweep_tx = create_sweeptx_for_htlc(htlc, is_received_htlc=True) if sweep_tx: - txs[sweep_tx.prevout(0)] = EncumberedTransaction(f'their_ctx_sweep_htlc_{bh2u(htlc.payment_hash)}', sweep_tx, csv_delay=0, cltv_expiry=htlc.cltv_expiry) + txs[sweep_tx.prevout(0)] = sweep_tx # offered HTLCs, in their ctx --> "success" offered_htlcs = chan.included_htlcs_in_their_latest_ctxs(REMOTE)[ctn] # type: List[UpdateAddHtlc] for htlc in offered_htlcs: sweep_tx = create_sweeptx_for_htlc(htlc, is_received_htlc=False) if sweep_tx: - txs[sweep_tx.prevout(0)] = EncumberedTransaction(f'their_ctx_sweep_htlc_{bh2u(htlc.payment_hash)}', sweep_tx, csv_delay=0, cltv_expiry=0) + txs[sweep_tx.prevout(0)] = sweep_tx return txs t@@ -327,7 +331,9 @@ def create_htlctx_that_spends_from_our_ctx(chan: 'Channel', our_pcp: bytes, for_us=True, we_receive=is_received_htlc, commit=ctx, - htlc=htlc) + htlc=htlc, + name=f'our_ctx_htlc_tx_{bh2u(htlc.payment_hash)}', + cltv_expiry=0 if is_received_htlc else htlc.cltv_expiry) remote_htlc_sig = chan.get_remote_htlc_sig_for_htlc(htlc, we_receive=is_received_htlc) local_htlc_sig = bfh(htlc_tx.sign_txin(0, local_htlc_privkey)) txin = htlc_tx.inputs()[0] t@@ -339,7 +345,7 @@ def create_htlctx_that_spends_from_our_ctx(chan: 'Channel', our_pcp: bytes, def maybe_create_sweeptx_for_their_ctx_htlc(ctx: Transaction, sweep_address: str, htlc_output_witness_script: bytes, privkey: bytes, is_revocation: bool, - preimage: Optional[bytes]) -> Optional[Transaction]: + preimage: Optional[bytes], cltv_expiry: int = 0) -> Optional[Transaction]: htlc_address = redeem_script_to_address('p2wsh', bh2u(htlc_output_witness_script)) # FIXME handle htlc_address collision # also: https://github.com/lightningnetwork/lightning-rfc/issues/448 t@@ -351,13 +357,14 @@ def maybe_create_sweeptx_for_their_ctx_htlc(ctx: Transaction, sweep_address: str preimage=preimage, output_idx=output_idx, privkey=privkey, - is_revocation=is_revocation) + is_revocation=is_revocation, + cltv_expiry=cltv_expiry) return sweep_tx def create_sweeptx_their_ctx_htlc(ctx: Transaction, witness_script: bytes, sweep_address: str, preimage: Optional[bytes], output_idx: int, - privkey: bytes, is_revocation: bool, + privkey: bytes, is_revocation: bool, cltv_expiry: int, fee_per_kb: int=None) -> Optional[Transaction]: preimage = preimage or b'' # preimage is required iff (not is_revocation and htlc is offered) val = ctx.outputs()[output_idx].value t@@ -378,7 +385,7 @@ def create_sweeptx_their_ctx_htlc(ctx: Transaction, witness_script: bytes, sweep outvalue = val - fee if outvalue <= dust_threshold(): return None sweep_outputs = [TxOutput(TYPE_ADDRESS, sweep_address, outvalue)] - tx = Transaction.from_io(sweep_inputs, sweep_outputs, version=2) + tx = Transaction.from_io(sweep_inputs, sweep_outputs, version=2, name=f'their_ctx_sweep_htlc_{bh2u(htlc.payment_hash)}', cltv_expiry=cltv_expiry) sig = bfh(tx.sign_txin(0, privkey)) if not is_revocation: t@@ -412,7 +419,7 @@ def create_sweeptx_their_ctx_to_remote(sweep_address: str, ctx: Transaction, out outvalue = val - fee if outvalue <= dust_threshold(): return None sweep_outputs = [TxOutput(TYPE_ADDRESS, sweep_address, outvalue)] - sweep_tx = Transaction.from_io(sweep_inputs, sweep_outputs) + sweep_tx = Transaction.from_io(sweep_inputs, sweep_outputs, name='their_ctx_to_remote') sweep_tx.set_rbf(True) sweep_tx.sign({our_payment_pubkey: (our_payment_privkey.get_secret_bytes(), True)}) if not sweep_tx.is_complete(): t@@ -451,7 +458,10 @@ def create_sweeptx_ctx_to_local(sweep_address: str, ctx: Transaction, output_idx outvalue = val - fee if outvalue <= dust_threshold(): return None sweep_outputs = [TxOutput(TYPE_ADDRESS, sweep_address, outvalue)] - sweep_tx = Transaction.from_io(sweep_inputs, sweep_outputs, version=2) + if is_revocation: + sweep_tx = Transaction.from_io(sweep_inputs, sweep_outputs, version=2, name='their_ctx_to_local') + else: + sweep_tx = Transaction.from_io(sweep_inputs, sweep_outputs, version=2, name='our_ctx_to_local', csv_delay=to_self_delay) sig = sweep_tx.sign_txin(0, privkey) witness = construct_witness([sig, int(is_revocation), witness_script]) sweep_tx.inputs()[0]['witness'] = witness t@@ -459,8 +469,9 @@ def create_sweeptx_ctx_to_local(sweep_address: str, ctx: Transaction, output_idx def create_sweeptx_that_spends_htlctx_that_spends_htlc_in_ctx( + name_prefix: str, htlc_tx: Transaction, htlctx_witness_script: bytes, sweep_address: str, - privkey: bytes, is_revocation: bool, to_self_delay: int=None, + privkey: bytes, is_revocation: bool, to_self_delay: int, fee_per_kb: int=None) -> Optional[Transaction]: val = htlc_tx.outputs()[0].value sweep_inputs = [{ t@@ -483,7 +494,7 @@ def create_sweeptx_that_spends_htlctx_that_spends_htlc_in_ctx( outvalue = val - fee if outvalue <= dust_threshold(): return None sweep_outputs = [TxOutput(TYPE_ADDRESS, sweep_address, outvalue)] - tx = Transaction.from_io(sweep_inputs, sweep_outputs, version=2) + tx = Transaction.from_io(sweep_inputs, sweep_outputs, version=2, name=name_prefix + htlc_tx.txid(), csv_delay=to_self_delay) sig = bfh(tx.sign_txin(0, privkey)) witness = construct_witness([sig, int(is_revocation), htlctx_witness_script]) DIR diff --git a/electrum/lnutil.py b/electrum/lnutil.py t@@ -269,10 +269,10 @@ def make_htlc_tx_inputs(htlc_output_txid: str, htlc_output_index: int, }] return c_inputs -def make_htlc_tx(cltv_timeout, inputs, output): +def make_htlc_tx(cltv_timeout, inputs, output, name, cltv_expiry): assert type(cltv_timeout) is int c_outputs = [output] - tx = Transaction.from_io(inputs, c_outputs, locktime=cltv_timeout, version=2) + tx = Transaction.from_io(inputs, c_outputs, locktime=cltv_timeout, version=2, name=name, cltv_expiry=cltv_expiry) return tx def make_offered_htlc(revocation_pubkey: bytes, remote_htlcpubkey: bytes, t@@ -336,7 +336,7 @@ def get_ordered_channel_configs(chan: 'Channel', for_us: bool) -> Tuple[Union[Lo def make_htlc_tx_with_open_channel(chan: 'Channel', pcp: bytes, for_us: bool, we_receive: bool, commit: Transaction, - htlc: 'UpdateAddHtlc') -> Tuple[bytes, Transaction]: + htlc: 'UpdateAddHtlc', name: str = None, cltv_expiry: int = 0) -> Tuple[bytes, Transaction]: amount_msat, cltv_expiry, payment_hash = htlc.amount_msat, htlc.cltv_expiry, htlc.payment_hash conf, other_conf = get_ordered_channel_configs(chan=chan, for_us=for_us) t@@ -371,7 +371,8 @@ def make_htlc_tx_with_open_channel(chan: 'Channel', pcp: bytes, for_us: bool, witness_script=bh2u(preimage_script)) if is_htlc_success: cltv_expiry = 0 - htlc_tx = make_htlc_tx(cltv_expiry, inputs=htlc_tx_inputs, output=htlc_tx_output) + htlc_tx = make_htlc_tx(cltv_expiry, inputs=htlc_tx_inputs, output=htlc_tx_output, + name=name, cltv_expiry=cltv_expiry) return script, htlc_tx def make_funding_input(local_funding_pubkey: bytes, remote_funding_pubkey: bytes, t@@ -639,28 +640,6 @@ def generate_keypair(ln_keystore: BIP32_KeyStore, key_family: LnKeyFamily, index return Keypair(*ln_keystore.get_keypair([key_family, 0, index], None)) -class EncumberedTransaction(NamedTuple("EncumberedTransaction", [('name', str), - ('tx', Transaction), - ('csv_delay', int), - ('cltv_expiry', int),])): - def to_json(self) -> dict: - return { - 'name': self.name, - 'tx': str(self.tx), - 'csv_delay': self.csv_delay, - 'cltv_expiry': self.cltv_expiry, - } - - @classmethod - def from_json(cls, d: dict): - d2 = dict(d) - d2['tx'] = Transaction(d['tx']) - return EncumberedTransaction(**d2) - - def __str__(self): - return super().__str__()[:-1] + ", txid: " + self.tx.txid() + ")" - - NUM_MAX_HOPS_IN_PAYMENT_PATH = 20 NUM_MAX_EDGES_IN_PAYMENT_PATH = NUM_MAX_HOPS_IN_PAYMENT_PATH + 1 DIR diff --git a/electrum/lnwatcher.py b/electrum/lnwatcher.py t@@ -13,10 +13,10 @@ from typing import NamedTuple, Dict import jsonrpclib from .util import PrintError, bh2u, bfh, log_exceptions, ignore_exceptions -from .lnutil import EncumberedTransaction from . import wallet from .storage import WalletStorage from .address_synchronizer import AddressSynchronizer, TX_HEIGHT_LOCAL, TX_HEIGHT_UNCONF_PARENT, TX_HEIGHT_UNCONFIRMED +from .transaction import Transaction if TYPE_CHECKING: from .network import Network t@@ -46,14 +46,14 @@ class LNWatcher(AddressSynchronizer): self.start_network(network) self.lock = threading.RLock() self.channel_info = storage.get('channel_info', {}) # access with 'lock' - # [funding_outpoint_str][prev_txid] -> set of EncumberedTransaction + # [funding_outpoint_str][prev_txid] -> set of Transaction # prev_txid is the txid of a tx that is watched for confirmations # access with 'lock' self.sweepstore = defaultdict(lambda: defaultdict(set)) for funding_outpoint, ctxs in storage.get('sweepstore', {}).items(): for txid, set_of_txns in ctxs.items(): for e_tx in set_of_txns: - e_tx2 = EncumberedTransaction.from_json(e_tx) + e_tx2 = Transaction.from_dict(e_tx) self.sweepstore[funding_outpoint][txid].add(e_tx2) self.network.register_callback(self.on_network_update, t@@ -100,7 +100,7 @@ class LNWatcher(AddressSynchronizer): for funding_outpoint, ctxs in self.sweepstore.items(): sweepstore[funding_outpoint] = {} for prev_txid, set_of_txns in ctxs.items(): - sweepstore[funding_outpoint][prev_txid] = [e_tx.to_json() for e_tx in set_of_txns] + sweepstore[funding_outpoint][prev_txid] = [e_tx.as_dict() for e_tx in set_of_txns] storage.put('sweepstore', sweepstore) storage.write() t@@ -184,11 +184,11 @@ class LNWatcher(AddressSynchronizer): self.print_error(e_tx.name, f'could not publish encumbered tx: {str(e_tx)}, prev_txid: {prev_txid}') async def broadcast_or_log(self, funding_outpoint, e_tx): - height = self.get_tx_height(e_tx.tx.txid()).height + height = self.get_tx_height(e_tx.txid()).height if height != TX_HEIGHT_LOCAL: return try: - txid = await self.network.broadcast_transaction(e_tx.tx) + txid = await self.network.broadcast_transaction(e_tx) except Exception as e: self.print_error(f'broadcast: {e_tx.name}: failure: {repr(e)}') else: t@@ -199,7 +199,7 @@ class LNWatcher(AddressSynchronizer): @with_watchtower def add_sweep_tx(self, funding_outpoint: str, prev_txid: str, sweeptx): - encumbered_sweeptx = EncumberedTransaction.from_json(sweeptx) + encumbered_sweeptx = Transaction.from_dict(sweeptx) with self.lock: self.sweepstore[funding_outpoint][prev_txid].add(encumbered_sweeptx) self.write_to_disk() DIR diff --git a/electrum/tests/test_lnutil.py b/electrum/tests/test_lnutil.py t@@ -556,7 +556,9 @@ class TestLNUtil(unittest.TestCase): witness_script=bh2u(htlc)) our_htlc_tx = make_htlc_tx(cltv_timeout, inputs=our_htlc_tx_inputs, - output=our_htlc_tx_output) + output=our_htlc_tx_output, + name='test', + cltv_expiry=0) local_sig = our_htlc_tx.sign_txin(0, local_privkey[:-1]) DIR diff --git a/electrum/tests/test_transaction.py b/electrum/tests/test_transaction.py t@@ -86,7 +86,7 @@ class TestTransaction(SequentialTestCase): self.assertEqual(tx.deserialize(), expected) self.assertEqual(tx.deserialize(), None) - self.assertEqual(tx.as_dict(), {'hex': unsigned_blob, 'complete': False, 'final': True}) + self.assertEqual(tx.as_dict(), {'hex': unsigned_blob, 'complete': False, 'final': True, 'csv_delay': 0, 'cltv_expiry': 0, 'name': None}) self.assertEqual(tx.get_outputs_for_UI(), [TxOutputForUI('14CHYaaByjJZpx4oHBpfDMdqhTyXnZ3kVs', 1000000)]) self.assertTrue(tx.has_address('14CHYaaByjJZpx4oHBpfDMdqhTyXnZ3kVs')) t@@ -127,7 +127,7 @@ class TestTransaction(SequentialTestCase): tx = transaction.Transaction(signed_blob) self.assertEqual(tx.deserialize(), expected) self.assertEqual(tx.deserialize(), None) - self.assertEqual(tx.as_dict(), {'hex': signed_blob, 'complete': True, 'final': True}) + self.assertEqual(tx.as_dict(), {'hex': signed_blob, 'complete': True, 'final': True, 'csv_delay': 0, 'cltv_expiry': 0, 'name': None}) self.assertEqual(tx.serialize(), signed_blob) DIR diff --git a/electrum/transaction.py b/electrum/transaction.py t@@ -605,6 +605,9 @@ class Transaction: self._outputs = None # type: List[TxOutput] self.locktime = 0 self.version = 2 + self.name = None + self.csv_delay = 0 + self.cltv_expiry = 0 # by default we assume this is a partial txn; # this value will get properly set when deserializing self.is_partial_originally = True t@@ -715,13 +718,16 @@ class Transaction: return d @classmethod - def from_io(klass, inputs, outputs, locktime=0, version=None): + def from_io(klass, inputs, outputs, locktime=0, version=None, name=None, csv_delay=0, cltv_expiry=0): self = klass(None) self._inputs = inputs self._outputs = outputs self.locktime = locktime if version is not None: self.version = version + self.name = name + self.csv_delay = csv_delay + self.cltv_expiry = cltv_expiry self.BIP69_sort() return self t@@ -1223,9 +1229,21 @@ class Transaction: 'hex': self.raw, 'complete': self.is_complete(), 'final': self.is_final(), + 'name': self.name, + 'csv_delay': self.csv_delay, + 'cltv_expiry': self.cltv_expiry, } return out + @classmethod + def from_dict(cls, d): + tx = cls(d['hex']) + tx.deserialize(True) + tx.name = d.get('name') + tx.csv_delay = d.get('csv_delay', 0) + tx.cltv_expiry = d.get('cltv_expiry', 0) + return tx + def tx_from_str(txt: str) -> str: """Sanitizes tx-describing input (json or raw hex or base43) into