From aecc03e2a2c0f92fbf8c24df5feafed12b5f87f5 Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Sat, 23 Apr 2022 14:36:10 +0000
Subject: [PATCH] mmgen-tool: add `eth_checksummed_addr` command

---
 mmgen/main_tool.py | 1 +
 mmgen/tool/util.py | 5 +++++
 test/tooltest2.py  | 6 ++++++
 3 files changed, 12 insertions(+)

diff --git a/mmgen/main_tool.py b/mmgen/main_tool.py
index 92fba360..c342071c 100755
--- a/mmgen/main_tool.py
+++ b/mmgen/main_tool.py
@@ -82,6 +82,7 @@ mods = {
 		'b6dtohex',
 		'bytespec',
 		'bytestob58',
+		'eth_checksummed_addr',
 		'hash160',
 		'hash256',
 		'hexdump',
diff --git a/mmgen/tool/util.py b/mmgen/tool/util.py
index 96ffbbc2..469b8969 100755
--- a/mmgen/tool/util.py
+++ b/mmgen/tool/util.py
@@ -173,3 +173,8 @@ class tool_cmd(tool_cmd_base):
 		from ..baseconv import baseconv
 		from ..util import remove_whitespace
 		return baseconv('b6d').tohex( remove_whitespace(b6d_num), pad )
+
+	def eth_checksummed_addr(self,addr:'sstr'):
+		"create a checksummed Ethereum address"
+		from ..protocol import init_proto
+		return init_proto('eth').checksummed_addr(addr)
diff --git a/test/tooltest2.py b/test/tooltest2.py
index 8cbfe9f0..e94cd72b 100755
--- a/test/tooltest2.py
+++ b/test/tooltest2.py
@@ -316,6 +316,12 @@ tests = {
 			( ['nbytes=16'], {'boolfunc':is_b58_str}, ['-r0'] ),
 			( ['nbytes=12','pad=0'], is_b58_str, ['-r0'] ),
 		],
+		'eth_checksummed_addr': [
+			( ['00a329c0648769a73afac7f9381e08fb43dbea72'], '00a329c0648769A73afAc7F9381E08FB43dBEA72' ),
+			( ['deadbeef'*5], 'DeaDbeefdEAdbeefdEadbEEFdeadbeEFdEaDbeeF' ),
+			( ['ffffffff'*5], 'FFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF' ),
+			( ['0'*39 + '1'], '0'*39 + '1' ),
+		],
 	},
 	'Wallet': {
 		'gen_key': [