payment identifier types as enum
This commit is contained in:
Sander van Grieken
@@ -182,6 +182,17 @@ class PaymentIdentifierState(IntEnum):
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MERCHANT_ERROR = 52 # PI failed notifying the merchant after broadcasting onchain TX
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INVALID_AMOUNT = 53 # Specified amount not accepted
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class PaymentIdentifierType(IntEnum):
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UNKNOWN = 0
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SPK = 1
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BIP21 = 2
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BIP70 = 3
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MULTILINE = 4
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BOLT11 = 5
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LNURLP = 6
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EMAILLIKE = 7
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OPENALIAS = 8
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LNADDR = 9
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class PaymentIdentifier(Logger):
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"""
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@@ -203,7 +214,7 @@ class PaymentIdentifier(Logger):
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self.contacts = wallet.contacts if wallet is not None else None
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self.config = wallet.config if wallet is not None else None
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self.text = text.strip()
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self._type = None
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self._type = PaymentIdentifierType.UNKNOWN
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self.error = None # if set, GUI should show error and stop
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self.warning = None # if set, GUI should ask user if they want to proceed
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# more than one of those may be set
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@@ -262,16 +273,16 @@ class PaymentIdentifier(Logger):
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return self.is_multiline() and self._is_max
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def is_amount_locked(self):
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if self._type == 'spk':
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if self._type == PaymentIdentifierType.SPK:
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return False
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elif self._type == 'bip21':
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elif self._type == PaymentIdentifierType.BIP21:
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return bool(self.bip21.get('amount'))
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elif self._type == 'bip70':
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elif self._type == PaymentIdentifierType.BIP70:
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return True # TODO always given?
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elif self._type == 'bolt11':
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elif self._type == PaymentIdentifierType.BOLT11:
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lnaddr = lndecode(self.bolt11)
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return bool(lnaddr.amount)
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elif self._type == 'lnurl' or self._type == 'lightningaddress':
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elif self._type in [PaymentIdentifierType.LNURLP, PaymentIdentifierType.LNADDR]:
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# amount limits known after resolve, might be specific amount or locked to range
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if self.need_resolve():
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return True
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@@ -279,11 +290,11 @@ class PaymentIdentifier(Logger):
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self.logger.debug(f'lnurl f {self.lnurl_data.min_sendable_sat}-{self.lnurl_data.max_sendable_sat}')
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return not (self.lnurl_data.min_sendable_sat < self.lnurl_data.max_sendable_sat)
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return True
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elif self._type == 'multiline':
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elif self._type == PaymentIdentifierType.MULTILINE:
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return True
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elif self._type == 'emaillike':
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elif self._type == PaymentIdentifierType.EMAILLIKE:
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return False
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elif self._type == 'openalias':
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elif self._type == PaymentIdentifierType.OPENALIAS:
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return False
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def is_error(self) -> bool:
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@@ -298,7 +309,7 @@ class PaymentIdentifier(Logger):
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if not text:
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return
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if outputs := self._parse_as_multiline(text):
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self._type = 'multiline'
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self._type = PaymentIdentifierType.MULTILINE
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self.multiline_outputs = outputs
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if self.error:
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self.set_state(PaymentIdentifierState.INVALID)
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@@ -306,7 +317,7 @@ class PaymentIdentifier(Logger):
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self.set_state(PaymentIdentifierState.AVAILABLE)
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elif invoice_or_lnurl := maybe_extract_lightning_payment_identifier(text):
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if invoice_or_lnurl.startswith('lnurl'):
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self._type = 'lnurl'
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self._type = PaymentIdentifierType.LNURLP
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try:
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self.lnurl = decode_lnurl(invoice_or_lnurl)
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self.set_state(PaymentIdentifierState.NEED_RESOLVE)
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@@ -315,7 +326,7 @@ class PaymentIdentifier(Logger):
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self.set_state(PaymentIdentifierState.INVALID)
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return
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else:
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self._type = 'bolt11'
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self._type = PaymentIdentifierType.BOLT11
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try:
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lndecode(invoice_or_lnurl)
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except LnInvoiceException as e:
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@@ -338,10 +349,10 @@ class PaymentIdentifier(Logger):
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self.bip21 = out
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self.bip70 = out.get('r')
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if self.bip70:
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self._type = 'bip70'
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self._type = PaymentIdentifierType.BIP70
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self.set_state(PaymentIdentifierState.NEED_RESOLVE)
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else:
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self._type = 'bip21'
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self._type = PaymentIdentifierType.BIP21
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# check optional lightning in bip21, set self.bolt11 if valid
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bolt11 = out.get('lightning')
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if bolt11:
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@@ -355,11 +366,11 @@ class PaymentIdentifier(Logger):
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self.logger.debug(_("Invoice requires unknown or incompatible Lightning feature") + f":\n{e!r}")
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self.set_state(PaymentIdentifierState.AVAILABLE)
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elif scriptpubkey := self.parse_output(text):
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self._type = 'spk'
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self._type = PaymentIdentifierType.SPK
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self.spk = scriptpubkey
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self.set_state(PaymentIdentifierState.AVAILABLE)
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elif re.match(RE_EMAIL, text):
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self._type = 'emaillike'
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self._type = PaymentIdentifierType.EMAILLIKE
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self.emaillike = text
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self.set_state(PaymentIdentifierState.NEED_RESOLVE)
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elif self.error is None:
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@@ -390,7 +401,7 @@ class PaymentIdentifier(Logger):
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'security check, DNSSEC, and thus may not be correct.').format(self.emaillike)
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try:
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scriptpubkey = self.parse_output(address)
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self._type = 'openalias'
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self._type = PaymentIdentifierType.OPENALIAS
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self.spk = scriptpubkey
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self.set_state(PaymentIdentifierState.AVAILABLE)
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except Exception as e:
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@@ -400,7 +411,7 @@ class PaymentIdentifier(Logger):
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lnurl = lightning_address_to_url(self.emaillike)
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try:
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data = await request_lnurl(lnurl)
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self._type = 'lightningaddress'
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self._type = PaymentIdentifierType.LNADDR
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self.lnurl = lnurl
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self.lnurl_data = data
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self.set_state(PaymentIdentifierState.LNURLP_FINALIZE)
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