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spectrum

In wallet_send.jinja, there is also a very shallow validity check in validAddress (not empty, address.length < 14, no whitespace). Passing that stupidiy test, currently we get an exception like this:

Traceback (most recent call last):
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/embit/script.py", line 183, in address_to_scriptpubkey
    data = base58.decode_check(addr)
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/embit/base58.py", line 76, in decode_check
    raise ValueError(
ValueError: Checksum mismatch: expected b'\xc7\xce\xdb\xb0', calculated b'\x92\x14W\xba'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/flask/app.py", line 1523, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/flask/app.py", line 1509, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/flask_login/utils.py", line 269, in decorated_view
    return func(*args, **kwargs)
  File "/home/kim/src/specter-desktop/src/cryptoadvance/specter/server_endpoints/wallets/wallets.py", line 531, in send_new
    psbt = psbt_creator.create_psbt(wallet)
  File "/home/kim/src/specter-desktop/src/cryptoadvance/specter/commands/psbt_creator.py", line 120, in create_psbt
    self.psbt_as_object: SpecterPSBT = wallet.createpsbt(
  File "/home/kim/src/specter-desktop/src/cryptoadvance/specter/wallet.py", line 1684, in createpsbt
    r = self.rpc.walletcreatefundedpsbt(
  File "/home/kim/src/specter-desktop/src/cryptoadvance/specter/rpc.py", line 495, in fn
    r = self.multi([(method, *args)], **kwargs)[0]
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/cryptoadvance/specterext/spectrum/bridge_rpc.py", line 86, in multi
    result = [self.spectrum.jsonrpc(item,wallet_name=self.wallet_name, catch_exceptions=False) for item in payload]
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/cryptoadvance/specterext/spectrum/bridge_rpc.py", line 86, in <listcomp>
    result = [self.spectrum.jsonrpc(item,wallet_name=self.wallet_name, catch_exceptions=False) for item in payload]
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/cryptoadvance/spectrum/spectrum.py", line 353, in jsonrpc
    raise e
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/cryptoadvance/spectrum/spectrum.py", line 343, in jsonrpc
    res = m(wallet, *args, **kwargs)
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/cryptoadvance/spectrum/spectrum.py", line 57, in wrapper
    return f(*args, **kwargs)
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/cryptoadvance/spectrum/spectrum.py", line 986, in walletcreatefundedpsbt
    btc_to_sat(amount), EmbitScript.from_address(addr)
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/embit/script.py", line 86, in from_address
    return address_to_scriptpubkey(addr)
  File "/home/kim/src/specter-desktop/.env/lib/python3.10/site-packages/embit/script.py", line 195, in address_to_scriptpubkey
    raise EmbitError("Invalid bech32 address")
embit.base.EmbitError: Invalid bech32 address

Bitcoin Core

After passing the stupidity test, we get a SpecterError which comes from a RPC-Error:

ToDo

I guess we need to catch the embit.base.EmbitError in https://github.com/cryptoadvance/spectrum/blob/master/src/cryptoadvance/spectrum/spectrum.py#L986 and raise an Spectrum.RPCError with the text: "Invalid Bitcoin address: {invalid_address}".

Address validation in Spectrum #11

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