URI: 
       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