tx.swap: `self.send_proto` -> `self.proto`

mmgen/main_txcreate.py

@@ -115,8 +115,14 @@ async def main():
 		asi = mount_removable_device(cfg)
 		Signable.automount_transaction(asi).check_create_ok()
 
+	if target == 'swaptx':
+		from .tx.new_swap import get_send_proto
+		proto = get_send_proto(cfg)
+	else:
+		proto = cfg._proto
+
 	from .tx import NewTX
-	tx1 = await NewTX(cfg=cfg, proto=cfg._proto, target=target)
+	tx1 = await NewTX(cfg=cfg, proto=proto, target=target)
 
 	tx2 = await tx1.create(
 		cmd_args = cfg._args,

mmgen/main_txdo.py

@@ -155,7 +155,13 @@ seed_files = get_seed_files(cfg, cfg._args)
 
 async def main():
 
-	tx1 = await NewTX(cfg=cfg, proto=cfg._proto, target=target)
+	if target == 'swaptx':
+		from .tx.new_swap import get_send_proto
+		proto = get_send_proto(cfg)
+	else:
+		proto = cfg._proto
+
+	tx1 = await NewTX(cfg=cfg, proto=proto, target=target)
 
 	tx2 = await tx1.create(
 		cmd_args = cfg._args,

mmgen/swap/proto/thorchain/thornode.py

@@ -61,7 +61,7 @@ class Thornode:
 
 	def get_quote(self):
 		self.get_str = '/thorchain/quote/swap?from_asset={a}.{a}&to_asset={b}.{b}&amount={c}'.format(
-			a = self.tx.send_proto.coin,
+			a = self.tx.proto.coin,
 			b = self.tx.recv_proto.coin,
 			c = self.in_amt.to_unit('satoshi'))
 		self.result = self.rpc.get(self.get_str)
@@ -78,7 +78,7 @@ class Thornode:
 
 		d = self.data
 		tx = self.tx
-		in_coin = tx.send_proto.coin
+		in_coin = tx.proto.coin
 		out_coin = tx.recv_proto.coin
 		in_amt = UniAmt(str(self.in_amt))
 		out_amt = UniAmt(int(d['expected_amount_out']), from_unit='satoshi')

mmgen/tx/bump.py

@@ -84,7 +84,6 @@ class Bump(Completed, NewSwap):
 				self.rel_fee_disp))
 
 		if self.is_swap:
-			self.send_proto = self.proto
 			self.recv_proto = self.check_swap_memo().proto
 			self.process_swap_options()
 			fee_hint = self.update_vault_output(self.send_amt)

mmgen/tx/new.py

@@ -445,7 +445,6 @@ class New(Base):
 			if self.is_swap:
 				cmd_args = await self.process_swap_cmdline_args(cmd_args, addrfile_args)
 				self.process_swap_options()
-				self.proto = self.send_proto # updating self.proto!
 			from ..rpc import rpc_init
 			self.rpc = await rpc_init(self.cfg, self.proto)
 			from ..addrdata import TwAddrData

mmgen/tx/new_swap.py

@@ -28,6 +28,13 @@ def init_proto_from_coin(cfg, sp, coin, desc):
 	from ..protocol import init_proto
 	return init_proto(cfg, coin, network=cfg._proto.network, need_amt=True)
 
+def get_send_proto(cfg):
+	try:
+		arg = cfg._args.pop(0)
+	except:
+		cfg._usage()
+	return init_proto_from_coin(cfg, get_swap_proto_mod(cfg.swap_proto), arg, 'send')
+
 class NewSwap(New):
 	desc = 'swap transaction'
 
@@ -78,16 +85,14 @@ class NewSwap(New):
 
 		def parse():
 
-			from ..amt import is_coin_amt
-			arg = get_arg()
+			# arg 1: send_coin - already popped and parsed by get_send_proto()
 
-			# arg 1: send_coin
-			self.send_proto = init_proto_from_coin(self.cfg, sp, arg, 'send')
+			from ..amt import is_coin_amt
 			arg = get_arg()
 
 			# arg 2: amt
-			if is_coin_amt(self.send_proto, arg):
-				args.send_amt = self.send_proto.coin_amt(arg)
+			if is_coin_amt(self.proto, arg):
+				args.send_amt = self.proto.coin_amt(arg)
 				arg = get_arg()
 
 			# arg 3: chg_spec (change address spec)
@@ -112,7 +117,7 @@ class NewSwap(New):
 		parse()
 
 		chg_output = (
-			await self.get_swap_output(self.send_proto, args.chg_spec, addrfiles, 'change address')
+			await self.get_swap_output(self.proto, args.chg_spec, addrfiles, 'change address')
 			if args.send_amt else None)
 
 		if chg_output: