ruff FURB157 (verbose expression in Decimal constructor)

mmgen/amt.py

@@ -52,7 +52,7 @@ class CoinAmt(Decimal, Hilite, InitErrors): # abstract class
 				me = Decimal.__new__(cls, num * getattr(cls, from_unit))
 			elif from_decimal:
 				assert isinstance(num, Decimal), f'number must be of type Decimal, not {type(num).__name__})'
-				me = Decimal.__new__(cls, num.quantize(Decimal('10') ** -cls.max_prec))
+				me = Decimal.__new__(cls, num.quantize(Decimal(10) ** -cls.max_prec))
 			else:
 				assert isinstance(num, str), f'non-string passed to {cls.__name__} initializer'
 				me = Decimal.__new__(cls, num)

mmgen/proto/eth/contract.py

@@ -134,7 +134,7 @@ class Token(Contract):
 		if decimals:
 			assert isinstance(decimals, int), f'decimals param must be int instance, not {type(decimals)}'
 			self.decimals = decimals
-			self.base_unit = Decimal('10') ** -self.decimals
+			self.base_unit = Decimal(10) ** -self.decimals
 
 	async def get_balance(self, acct_addr, block='latest'):
 		return self.proto.coin_amt(
@@ -200,7 +200,7 @@ class ResolvedToken(Token, metaclass=AsyncInit):
 		self.decimals = await self.get_decimals()
 		if not self.decimals:
 			die('TokenNotInBlockchain', f'Token {addr!r} not in blockchain')
-		self.base_unit = Decimal('10') ** -self.decimals
+		self.base_unit = Decimal(10) ** -self.decimals
 
 # Tokens: First approve router to spend tokens from user: asset.approve(router,amount).
 # Then call router.depositWithExpiry(inbound_address, asset, amount, memo, expiry).

mmgen/proto/rune/tx/protobuf.py

@@ -151,10 +151,10 @@ class RuneTx(Tx):
 	signatures: Annotated[List[bytes], Field(3)]
 
 def amt_to_base_unit(amt, *, decimals):
-	return int(Decimal(amt) * (Decimal('10') ** decimals))
+	return int(Decimal(amt) * (Decimal(10) ** decimals))
 
 def base_unit_to_amt(n, *, decimals):
-	return n * Decimal('10') ** -decimals
+	return n * Decimal(10) ** -decimals
 
 def tx_info(tx, proto):
 	b = tx.body.messages[0].body

pyproject.toml

@@ -22,7 +22,6 @@ ignore = [
 	"B026", # Star-arg unpacking after a keyword argument is strongly discouraged
 	"BLE001", # Do not catch blind exception: `Exception`
 	"E722", # bare except
-	"FURB157", # Verbose expression in `Decimal` constructor
 	"FURB163", # Prefer `math.log2(state.lanew)` over `math.log` with a redundant base
 	"FURB166", # Use of `int` with explicit `base=16` after removing prefix
 	"FURB192", # Prefer `max` over `sorted()` to compute the maximum value in a sequence

test/modtest_d/lockable.py

@@ -78,7 +78,7 @@ class unit_tests:
 		# are these considered set?
 		lc.alpha = 0             # yes
 		lc.beta = False          # yes
-		lc.gamma = Decimal('0')  # yes
+		lc.gamma = Decimal(0)    # yes
 		lc.delta = 0.0           # yes
 		lc.epsilon = []          # no
 
@@ -98,7 +98,7 @@ class unit_tests:
 		def bad4(): lc.x = 1
 		def bad5(): lc.alpha = 0
 		def bad6(): lc.beta = False
-		def bad7(): lc.gamma = Decimal('0')
+		def bad7(): lc.gamma = Decimal(0)
 		def bad8(): lc.delta = float(0)
 		def bad9(): lc.epsilon = [0]
 

test/objtest_d/btc_mainnet.py

@@ -113,7 +113,7 @@ tests = {
 				# rounding
 				{'num': Decimal('1.23456789623456789'), 'from_decimal': True, 'ret': Decimal('1.23456790')},
 				{'num': Decimal('1.234'), 'from_decimal': True, 'ret': Decimal('1.234')},
-				{'num': Decimal('0.0'), 'from_decimal': True, 'ret': Decimal('0')},
+				{'num': Decimal('0.0'), 'from_decimal': True, 'ret': Decimal(0)},
 				# emulate network fee estimation:
 				#                  BTC/kB         fee_adjust       tx size
 				{   'num': Decimal('0.00053249') * Decimal('0.9') * 109 / 1024 , # ≈53 sat/byte

test/objtest_d/eth_mainnet.py

@@ -40,7 +40,7 @@ tests = {
 					'from_decimal': True,
 					'ret': Decimal('1.123456789123456789')},
 				{'num': Decimal('1.234'), 'from_decimal': True, 'ret': Decimal('1.234')},
-				{'num': Decimal('0.0'), 'from_decimal': True, 'ret': Decimal('0')},
+				{'num': Decimal('0.0'), 'from_decimal': True, 'ret': Decimal(0)},
 				{'num': 1234, 'from_unit': 'wei', 'ret': Decimal('0.000000000000001234')},
 				{'num': 1234, 'from_unit': 'Mwei', 'ret': Decimal('0.000000001234')},
 		)