Fix decimal issue

Author: philogicae

src/aleph/sdk/connectors/superfluid.py

@@ -58,7 +58,7 @@ def can_start_flow(self, flow: Decimal, block=True) -> bool:
             if not valid and block:
                 raise InsufficientFundsError(
                     token_type=TokenType.ALEPH,
-                    required_funds=float(MIN_FLOW_4H),
+                    required_funds=float(from_wei_token(MIN_FLOW_4H)),
                     available_funds=float(from_wei_token(balance)),
                 )
         return valid

src/aleph/sdk/evm_utils.py

@@ -1,4 +1,4 @@
-from decimal import ROUND_CEILING, Decimal
+from decimal import ROUND_CEILING, Context, Decimal
 from enum import Enum
 from typing import List, Optional, Union
 
@@ -39,7 +39,9 @@ def to_wei_token(amount: Decimal) -> Decimal:
 
 def ether_rounding(amount: Decimal) -> Decimal:
     """Rounds the given value to 18 decimals."""
-    return amount.quantize(Decimal(1) / Decimal(10**18), rounding=ROUND_CEILING)
+    return amount.quantize(
+        Decimal(1) / Decimal(10**18), rounding=ROUND_CEILING, context=Context(prec=18)
+    )
 
 
 def get_chain_id(chain: Union[Chain, str, None]) -> Optional[int]:

src/aleph/sdk/utils.py

@@ -8,7 +8,7 @@
 import os
 import subprocess
 from datetime import date, datetime, time
-from decimal import Decimal
+from decimal import Context, Decimal, InvalidOperation
 from enum import Enum
 from pathlib import Path
 from shutil import make_archive
@@ -414,18 +414,24 @@ def safe_getattr(obj, attr, default=None):
 
 
 def displayable_amount(
-    amount: Union[str, int, float, Decimal], decimals: Optional[int] = None
+    amount: Union[str, int, float, Decimal], decimals: int = 18
 ) -> str:
     """Returns the amount as a string without unnecessary decimals."""
 
     str_amount = ""
     try:
         dec_amount = Decimal(amount)
         if decimals:
-            dec_amount = dec_amount.quantize(Decimal(1) / Decimal(10**decimals))
+            dec_amount = dec_amount.quantize(
+                Decimal(1) / Decimal(10**decimals), context=Context(prec=18)
+            )
         str_amount = str(format(dec_amount.normalize(), "f"))
-    except ValueError as e:
-        raise ValueError(f"Invalid amount: {amount}") from e
+    except ValueError:
+        logger.error(f"Invalid amount to display: {amount}")
+        exit(1)
+    except InvalidOperation:
+        logger.error(f"Invalid operation on amount to display: {amount}")
+        exit(1)
     return str_amount