From 76a913678d5b22d98977d8aad1859f02e3ffc2cd Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Sun, 15 Jun 2025 09:16:57 +0000
Subject: [PATCH] new `proto.vm.tx.new_swap` module

---
 mmgen/proto/eth/tx/new_swap.py | 23 ++++-------------------
 mmgen/proto/vm/tx/new_swap.py  | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 19 deletions(-)
 create mode 100755 mmgen/proto/vm/tx/new_swap.py

diff --git a/mmgen/proto/eth/tx/new_swap.py b/mmgen/proto/eth/tx/new_swap.py
index 822eb99d..e848f9b7 100755
--- a/mmgen/proto/eth/tx/new_swap.py
+++ b/mmgen/proto/eth/tx/new_swap.py
@@ -13,29 +13,14 @@ proto.eth.tx.new_swap: Ethereum new swap transaction class
 """
 
 from ....tx.new_swap import NewSwap as TxNewSwap
+
+from ...vm.tx.new_swap import VmNewSwap
+
 from .new import New, TokenNew
 
-class NewSwap(New, TxNewSwap):
+class NewSwap(VmNewSwap, New, TxNewSwap):
 	desc = 'Ethereum swap transaction'
 
-	def update_data_output(self, trade_limit):
-		parsed_memo = self.swap_proto_mod.Memo.parse(self.swap_memo)
-		self.swap_memo = str(self.swap_proto_mod.Memo(
-			self.swap_cfg,
-			self.recv_proto,
-			self.recv_asset,
-			self.recv_proto.coin_addr(parsed_memo.address),
-			trade_limit = trade_limit))
-		self.set_gas_with_data(self.swap_memo.encode())
-
-	@property
-	def vault_idx(self):
-		return 0
-
-	@property
-	def vault_output(self):
-		return self.outputs[0]
-
 class TokenNewSwap(TokenNew, NewSwap):
 	desc = 'Ethereum token swap transaction'
 
diff --git a/mmgen/proto/vm/tx/new_swap.py b/mmgen/proto/vm/tx/new_swap.py
new file mode 100755
index 00000000..d977d0a3
--- /dev/null
+++ b/mmgen/proto/vm/tx/new_swap.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+#
+# MMGen Wallet, a terminal-based cryptocurrency wallet
+# Copyright (C)2013-2025 The MMGen Project <mmgen@tuta.io>
+# Licensed under the GNU General Public License, Version 3:
+#   https://www.gnu.org/licenses
+# Public project repositories:
+#   https://github.com/mmgen/mmgen-wallet
+#   https://gitlab.com/mmgen/mmgen-wallet
+
+"""
+proto.vm.tx.new_swap: new swap transaction methods for VM chains
+"""
+
+class VmNewSwap:
+
+	def update_data_output(self, trade_limit):
+		parsed_memo = self.swap_proto_mod.Memo.parse(self.swap_memo)
+		self.swap_memo = str(self.swap_proto_mod.Memo(
+			self.swap_cfg,
+			self.recv_proto,
+			self.recv_asset,
+			self.recv_proto.coin_addr(parsed_memo.address),
+			trade_limit = trade_limit))
+		self.set_gas_with_data(self.swap_memo.encode())
+
+	@property
+	def vault_idx(self):
+		return 0
+
+	@property
+	def vault_output(self):
+		return self.outputs[0]