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101 lines
4.0 KiB
101 lines
4.0 KiB
from jmbase import utxo_to_utxostr |
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general_custom_change_warning = """You are attempting to send change to a custom change |
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address. Change outputs are usually directly linkable to |
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your CoinJoin inputs, and incautious combination of |
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custom change UTXOs can catastrophically compromise |
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your CoinJoin privacy, especially if those UTXOs are from |
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different mixdepths. |
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Are you sure you know what you're doing?""" |
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nonwallet_custom_change_warning =""" |
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The custom change address type is different from your wallet |
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address type. |
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Be extremely careful here: It will be obvious to any blockchain |
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observer that this output was disposed of by the taker (i.e. |
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you) and is directly linkable to your CoinJoin inputs. |
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Sending change in a one-off transaction to a party with a |
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different address type than this wallet is otherwise probably |
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OK. |
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HOWEVER, if you regularly send your change to unusual |
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address types, especially multisig P2(W)SH addresses, you |
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seriously risk linking ALL of those CoinJoins to you, |
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REGARDLESS of how carefully you spend those custom change |
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UTXOs. |
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Are you sure you want to continue?""" |
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sweep_custom_change_warning = \ |
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"Custom change cannot be set while doing a sweep (zero amount)." |
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def fmt_utxos(utxos, wallet_service, prefix=''): |
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output = [] |
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for u in utxos: |
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utxo_str = '{}{} - {}'.format( |
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prefix, fmt_utxo(u), fmt_tx_data(utxos[u], wallet_service)) |
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output.append(utxo_str) |
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return '\n'.join(output) |
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def fmt_utxo(utxo): |
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success, utxostr = utxo_to_utxostr(utxo) |
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assert success |
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return utxostr |
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def fmt_tx_data(tx_data, wallet_service): |
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return 'path: {}, address: {}, value: {}'.format( |
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wallet_service.get_path_repr(wallet_service.script_to_path(tx_data['script'])), |
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wallet_service.script_to_addr(tx_data['script']), tx_data['value']) |
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def generate_podle_error_string(priv_utxo_pairs, to, ts, wallet_service, cjamount, |
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taker_utxo_age, taker_utxo_amtpercent): |
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"""Gives detailed error information on why commitment sourcing failed. |
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""" |
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errmsg = "" |
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errmsgheader = ("Failed to source a commitment; this debugging information" |
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" may help:\n\n") |
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errmsg += ("1: Utxos that passed age and size limits, but have " |
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"been used too many times (see taker_utxo_retries " |
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"in the config):\n") |
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if len(priv_utxo_pairs) == 0: |
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errmsg += ("None\n") |
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else: |
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for p, u in priv_utxo_pairs: |
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errmsg += (fmt_utxo(u) + "\n") |
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errmsg += "2: Utxos that have less than " + taker_utxo_age + " confirmations:\n" |
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if len(to) == 0: |
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errmsg += ("None\n") |
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else: |
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for t in to: |
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errmsg += (fmt_utxo(t) + "\n") |
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errmsg += ("3: Utxos that were not at least " + taker_utxo_amtpercent + \ |
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"% of the size of the coinjoin amount " + str(cjamount) + "\n") |
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if len(ts) == 0: |
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errmsg += ("None\n") |
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else: |
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for t in ts: |
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errmsg += (fmt_utxo(t) + "\n") |
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errmsg += ('***\n') |
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errmsg += ("Utxos that appeared in item 1 cannot be used again.\n") |
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errmsg += ("Utxos only in item 2 can be used by waiting for more " |
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"confirmations, (set by the value of taker_utxo_age).\n") |
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errmsg += ("Utxos only in item 3 are not big enough for this " |
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"coinjoin transaction, set by the value " |
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"of taker_utxo_amtpercent.\n") |
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errmsg += ("If you cannot source a utxo from your spending mixdepth according " |
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"to these rules, use the tool add-utxo.py to source a " |
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"utxo from another mixdepth or a " |
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"utxo external to your joinmarket wallet. Read the help " |
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"with 'python add-utxo.py --help'\n\n") |
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errmsg += ("***\nFor reference, here are the utxos in your wallet:\n") |
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for md, utxos in wallet_service.get_utxos_by_mixdepth().items(): |
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if not utxos: |
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continue |
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errmsg += ("\nmixdepth {}:\n{}".format( |
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md, fmt_utxos(utxos, wallet_service, prefix=' '))) |
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return (errmsgheader, errmsg)
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