merchant

Co-Authored-By: itsdeka <dario.moceri@bitfinex.com>

bfxapi/rest/endpoints/rest_authenticated_endpoints.py

@@ -302,13 +302,13 @@ class RestAuthenticatedEndpoints(Middleware):
 
         return serializers._Notification[DepositAddress](serializers.DepositAddress).parse(*self._POST("auth/w/deposit/address", body=body))
 
-    def generate_deposit_invoice(self, wallet: str, currency: str, amount: Union[Decimal, float, str]) -> Invoice:
+    def generate_deposit_invoice(self, wallet: str, currency: str, amount: Union[Decimal, float, str]) -> LightningNetworkInvoice:
         body = {
             "wallet": wallet, "currency": currency,
             "amount": amount
         }
 
-        return serializers.Invoice.parse(*self._POST("auth/w/deposit/invoice", body=body))
+        return serializers.LightningNetworkInvoice.parse(*self._POST("auth/w/deposit/invoice", body=body))
 
     def get_movements(self, currency: Optional[str] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None) -> List[Movement]:
         if currency == None:
@@ -321,3 +321,21 @@ class RestAuthenticatedEndpoints(Middleware):
         }
 
         return [ serializers.Movement.parse(*sub_data) for sub_data in self._POST(endpoint, body=body) ]
+
+    def submit_invoice(self, amount: Union[Decimal, float, str], currency: str, order_id: str, 
+                       customer_info: CustomerInfo, pay_currencies: List[str], duration: Optional[int] = None,
+                       webhook: Optional[str] = None, redirect_url: Optional[str] = None) -> InvoiceSubmission:
+        data = self._POST("auth/w/ext/pay/invoice/create", body={
+            "amount": amount, "currency": currency, "order_id": order_id,
+            "customer_info": customer_info, "pay_currencies": pay_currencies, "duration": duration,
+            "webhook": webhook, "redirect_url": redirect_url
+        })
+
+        if "customer_info" in data and data["customer_info"] != None:
+            data["customer_info"] = CustomerInfo(**data["customer_info"])
+
+        if "invoices" in data and data["invoices"] != None:
+            for index, invoice in enumerate(data["invoices"]):
+                data["invoices"][index] = Invoice(**invoice)
+        
+        return InvoiceSubmission(**data)

bfxapi/rest/serializers.py

@@ -18,7 +18,7 @@ __serializers__ = [
     "FundingOffer", "FundingCredit", "FundingLoan",
     "FundingAutoRenew", "FundingInfo", "Wallet",
     "Transfer", "Withdrawal", "DepositAddress",
-    "Invoice", "Movement", "SymbolMarginInfo",
+    "LightningNetworkInvoice", "Movement", "SymbolMarginInfo",
     "BaseMarginInfo", "PositionClaim", "PositionIncreaseInfo",
     "PositionIncrease", "PositionHistory", "PositionSnapshot",
     "PositionAudit", "DerivativePositionCollateral", "DerivativePositionCollateralLimits",
@@ -581,7 +581,7 @@ DepositAddress = generate_labeler_serializer("DepositAddress", klass=types.Depos
     "pool_address"
 ])
 
-Invoice = generate_labeler_serializer("Invoice", klass=types.Invoice, labels=[
+LightningNetworkInvoice = generate_labeler_serializer("LightningNetworkInvoice", klass=types.LightningNetworkInvoice, labels=[
     "invoice_hash",
     "invoice",
     "_PLACEHOLDER",

bfxapi/rest/types.py

@@ -1,10 +1,12 @@
-from typing import Type, Tuple, List, Dict, TypedDict, Union, Optional, Any
+from typing import Type, Tuple, List, Dict, TypedDict, Union, Optional, Literal, Any
 
 from dataclasses import dataclass
 
+from types import SimpleNamespace
+
 from .. labeler import _Type
 from .. notification import Notification
-from ..utils.JSONEncoder import JSON
+from .. utils.JSONEncoder import JSON
 
 #region Type hinting for Rest Public Endpoints
 
@@ -440,7 +442,7 @@ class DepositAddress(_Type):
     pool_address: str
 
 @dataclass
-class Invoice(_Type):
+class LightningNetworkInvoice(_Type):
     invoice_hash: str
     invoice: str
     amount: str
@@ -562,3 +564,43 @@ class DerivativePositionCollateralLimits(_Type):
     max_collateral: float
 
 #endregion
+
+#region Type hinting for models which are not serializable
+
+@dataclass
+class InvoiceSubmission(_Type):
+    id: str
+    t: int
+    type: Literal["ECOMMERCE", "POS"]
+    duration: int
+    amount: float
+    currency: str
+    order_id: str
+    pay_currencies: List[str]
+    webhook: str
+    redirect_url: str
+    status: Literal["CREATED", "PENDING", "COMPLETED", "EXPIRED"]
+    customer_info: Optional["CustomerInfo"]
+    invoices: List["Invoice"]
+
+class CustomerInfo(SimpleNamespace):
+    nationality: str
+    resid_country: str
+    resid_state: str
+    resid_city: str
+    resid_zip_code: str
+    resid_street: str
+    resid_building_no: str
+    full_name: str
+    email: str
+    tos_accepted: bool
+
+class Invoice(SimpleNamespace):
+    amount: float
+    currency: str
+    pay_currency: str
+    pool_currency: str
+    address: str
+    ext: JSON
+
+#endregion

bfxapi/utils/JSONEncoder.py

@@ -2,16 +2,16 @@ import json
 from decimal import Decimal
 from datetime import datetime
 
+from types import SimpleNamespace
+
 from typing import Type, List, Dict, Union, Any
 
 JSON = Union[Dict[str, "JSON"], List["JSON"], bool, int, float, str, Type[None]]
 
-class JSONEncoder(json.JSONEncoder):
-    def encode(self, obj: JSON) -> str:
-        def _strip(dictionary: Dict) -> Dict:
+def _strip(dictionary: Dict) -> Dict:
     return { key: value for key, value in dictionary.items() if value != None}
 
-        def _convert_float_to_str(data: JSON) -> JSON:
+def _convert_float_to_str(data: JSON) -> JSON:
     if isinstance(data, float):
         return format(Decimal(repr(data)), "f")
     elif isinstance(data, list):
@@ -20,15 +20,13 @@ class JSONEncoder(json.JSONEncoder):
         return _strip({ key: _convert_float_to_str(value) for key, value in data.items() })
     else: return data
 
-        data = _convert_float_to_str(obj)
-
-        return json.JSONEncoder.encode(self, data)
+class JSONEncoder(json.JSONEncoder):
+    def encode(self, obj: JSON) -> str:
+        return json.JSONEncoder.encode(self, _convert_float_to_str(obj))
 
     def default(self, obj: Any) -> Any:
-        if isinstance(obj, Decimal):
-            return format(obj, "f")
-            
-        if isinstance(obj, datetime):
-            return str(obj)
+        if isinstance(obj, SimpleNamespace): return _convert_float_to_str(vars(obj))
+        elif isinstance(obj, Decimal): return format(obj, "f")
+        elif isinstance(obj, datetime): return str(obj)
 
         return json.JSONEncoder.default(self, obj)

examples/rest/merchant.py

@@ -0,0 +1,33 @@
+# python -c "import examples.rest.merchant"
+
+import os
+
+from bfxapi.client import Client, Constants
+from bfxapi.rest.types import CustomerInfo
+
+bfx = Client(
+    REST_HOST=Constants.REST_HOST,
+    API_KEY=os.getenv("BFX_API_KEY"),
+    API_SECRET=os.getenv("BFX_API_SECRET")
+)
+
+customer_info: CustomerInfo = CustomerInfo(
+    nationality="GB",
+    resid_country="DE",
+    resid_city="Berlin",
+    resid_zip_code=1,
+    resid_street="Timechain",
+    full_name="Satoshi",
+    email="satoshi3@bitfinex.com",
+    tos_accepted=None,
+    resid_building_no=None
+)
+
+print(bfx.rest.auth.submit_invoice(
+    amount=1,
+    currency="USD",
+    duration=864000,
+    order_id="order123",
+    customer_info=customer_info,
+    pay_currencies=["ETH"],
+))