From f94fede3a258daf9960a3bfb0ab7ffcdc8c3c771 Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Sun, 6 Sep 2026 10:08:42 +0000
Subject: [PATCH] new EthereumDataOutput class

---
 mmgen/proto/eth/tx/data_output.py | 26 ++++++++++++++++++++++++++
 test/modtest_d/tx.py              |  3 +++
 2 files changed, 29 insertions(+)
 create mode 100755 mmgen/proto/eth/tx/data_output.py

diff --git a/mmgen/proto/eth/tx/data_output.py b/mmgen/proto/eth/tx/data_output.py
new file mode 100755
index 00000000..da9539c4
--- /dev/null
+++ b/mmgen/proto/eth/tx/data_output.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+#
+# MMGen Wallet, a terminal-based cryptocurrency wallet
+# Copyright (C)2013-2026 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.eth.tx.data_output: Ethereum data output class
+"""
+
+from ....tx.data_output import DataOutput
+
+class EthereumDataOutput(DataOutput):
+
+	desc = 'data'
+
+	@property
+	def max_len(self):
+		return self.proto.max_data_len
+
+class EthereumTokenDataOutput(EthereumDataOutput):
+	pass
diff --git a/test/modtest_d/tx.py b/test/modtest_d/tx.py
index a7aa9a75..70387a68 100755
--- a/test/modtest_d/tx.py
+++ b/test/modtest_d/tx.py
@@ -107,6 +107,9 @@ class unit_tests:
 	def data_output_btc(self, name, ut, desc='BitcoinDataOutput class'):
 		return self._data_output(ut, 'btc')
 
+	def data_output_eth(self, name, ut, desc='EthereumDataOutput class'):
+		return self._data_output(ut, 'eth')
+
 	def data_output_rune(self, name, ut, desc='THORChainDataOutput class'):
 		return self._data_output(ut, 'rune')