TwCtl.get_balance(): add `block` parameter

mmgen/proto/btc/tw/ctl.py

@@ -23,7 +23,7 @@ class BitcoinTwCtl(TwCtl):
 	def upgrade_wallet_maybe(self):
 		pass
 
-	async def rpc_get_balance(self, addr):
+	async def rpc_get_balance(self, addr, block='latest'):
 		raise NotImplementedError('not implemented')
 
 	@write_mode

mmgen/proto/eth/contract.py

@@ -59,7 +59,7 @@ class Contract:
 			method_args = '',
 			*,
 			method      = 'eth_call',
-			block       = 'pending', # earliest, latest, safe, finalized
+			block       = 'latest', # earliest, latest, safe, finalized, pending
 			from_addr   = None,
 			data        = None,
 			toUnit      = False):
@@ -130,9 +130,9 @@ class Token(Contract):
 			self.decimals = decimals
 			self.base_unit = Decimal('10') ** -self.decimals
 
-	async def get_balance(self, acct_addr):
+	async def get_balance(self, acct_addr, block='latest'):
 		return self.proto.coin_amt(
-			await self.do_call('balanceOf(address)', acct_addr.rjust(64, '0'), toUnit=True),
+			await self.do_call('balanceOf(address)', acct_addr.rjust(64, '0'), toUnit=True, block=block),
 			from_decimal = True)
 
 	async def get_name(self):

mmgen/proto/eth/tw/ctl.py

@@ -81,9 +81,9 @@ class EthereumTwCtl(TwCtl):
 			self.force_write()
 			msg(f'{self.desc} upgraded successfully!')
 
-	async def rpc_get_balance(self, addr):
+	async def rpc_get_balance(self, addr, block='latest'):
 		return self.proto.coin_amt(
-			int(await self.rpc.call('eth_getBalance', '0x' + addr, 'latest'), 16),
+			int(await self.rpc.call('eth_getBalance', '0x' + addr, block), 16),
 			from_unit = 'wei')
 
 	@write_mode
@@ -223,20 +223,20 @@ class EthereumTokenTwCtl(EthereumTwCtl):
 	def data_root_desc(self):
 		return 'token ' + self.get_param('symbol')
 
-	async def rpc_get_balance(self, addr):
+	async def rpc_get_balance(self, addr, block='latest'):
 		return await Token(
 			self.cfg,
 			self.proto,
 			self.token,
 			decimals = self.decimals,
-			rpc = self.rpc).get_balance(addr)
+			rpc = self.rpc).get_balance(addr, block=block)
 
-	async def get_eth_balance(self, addr, *, force_rpc=False):
+	async def get_eth_balance(self, addr, *, force_rpc=False, block='latest'):
 		cache = self.cur_eth_balances
 		r = self.data['accounts']
 		ret = None if force_rpc else self.get_cached_balance(addr, cache, r)
 		if ret is None:
-			ret = await super().rpc_get_balance(addr)
+			ret = await super().rpc_get_balance(addr, block=block)
 			self.cache_balance(addr, ret, session_cache=cache, data_root=r)
 		return ret
 

mmgen/tw/ctl.py

@@ -184,10 +184,10 @@ class TwCtl(MMGenObject, metaclass=AsyncInit):
 		if addr in data_root and 'balance' in data_root[addr]:
 			return self.proto.coin_amt(data_root[addr]['balance'])
 
-	async def get_balance(self, addr, *, force_rpc=False):
+	async def get_balance(self, addr, *, force_rpc=False, block='latest'):
 		ret = None if force_rpc else self.get_cached_balance(addr, self.cur_balances, self.data_root)
 		if ret is None:
-			ret = await self.rpc_get_balance(addr)
+			ret = await self.rpc_get_balance(addr, block=block)
 			self.cache_balance(addr, ret, session_cache=self.cur_balances, data_root=self.data_root)
 		return ret