From eb943dded7562854984d0d406c61f830dc3f9694 Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Thu, 4 Jun 2026 10:41:42 +0000
Subject: [PATCH] BipHDNode.from_path(): determine addr type from protocol

---
 examples/bip_hd.py       | 1 -
 mmgen/bip_hd/__init__.py | 8 +++++---
 test/modtest_d/bip_hd.py | 2 +-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/examples/bip_hd.py b/examples/bip_hd.py
index d7d46b62..8d8d117d 100755
--- a/examples/bip_hd.py
+++ b/examples/bip_hd.py
@@ -74,7 +74,6 @@ nonstd_path = BipHDNode.from_path(
 	seed      = seed,
 	path_str  = "m/111'/222/333/444",
 	coin      = 'eth',
-	addr_type = 'E',
 	no_path_checks = True)
 
 print('Non-standard path (ETH):\n')
diff --git a/mmgen/bip_hd/__init__.py b/mmgen/bip_hd/__init__.py
index efe00295..a4731194 100644
--- a/mmgen/bip_hd/__init__.py
+++ b/mmgen/bip_hd/__init__.py
@@ -24,7 +24,7 @@ from ..keygen import KeyGenerator, keygen_public_data
 from ..addrgen import AddrGenerator
 from ..addr import MMGenAddrType
 from ..key import PrivKey
-from ..protocol import CoinProtocol
+from ..protocol import CoinProtocol, init_proto
 from ..proto.btc.common import hash160, b58chk_encode, b58chk_decode
 from ..proto.secp256k1.secp256k1 import pubkey_tweak_add, pubkey_check
 
@@ -379,9 +379,11 @@ class BipHDNode(Lockable):
 		if path.pop(0) != 'm':
 			raise ValueError(f'{path_str}: invalid path string (first component is not "m")')
 
+		proto = init_proto(base_cfg, coin or 'btc')
+
 		res = MasterNode(base_cfg, seed).init_cfg(
-			coin           = coin or 'btc',
-			addr_type      = addr_type or 'compressed',
+			coin           = proto.coin,
+			addr_type      = addr_type or proto.dfl_mmtype,
 			no_path_checks = no_path_checks,
 			from_path      = True)
 
diff --git a/test/modtest_d/bip_hd.py b/test/modtest_d/bip_hd.py
index b5c72f75..48e2e5ee 100755
--- a/test/modtest_d/bip_hd.py
+++ b/test/modtest_d/bip_hd.py
@@ -143,7 +143,7 @@ vectors_multicoin = {
 	'doge':         'DFX88RXpi4S4W24YVvuMgbdUcCAYNeEYGd',
 	'avax-c':       '0x373731f4d885Fc7Da05498F9f0804a87A14F891b',
 	'ltc_bech32':   'ltc1q3uh5ga5cp9kkdfx6a52uymxj9keq4tpzep7er0',
-	'bch_compressed': 'bitcoincash:qpqpcllprftg4s0chdgkpxhxv23wfymq3gj7n0a9vw',
+	'bch':          'bitcoincash:qpqpcllprftg4s0chdgkpxhxv23wfymq3gj7n0a9vw',
 	'bsc_smart':    '0x373731f4d885Fc7Da05498F9f0804a87A14F891b',
 	'bnb_beacon':   'bnb179c3ymltqm4utlp089zxqeta5dvn48a305rhe5',
 	'rune':         'thor1nr6fye3nznyn20m5w6fey6w8a8l4q599cdqmpc',