PASS1-206: More fixes for address verification

Added missing testnet prefixes
Some bitcoin addresses wrapped badly with 16 characters across, so just limit all to 14 characters per line

ports/stm32/boards/Passport/modules/utils.py

@@ -871,10 +871,8 @@ async def needs_microsd():
 def format_btc_address(address, addr_type):
     from public_constants import AF_P2WPKH
 
-    if addr_type == AF_P2WPKH:
-        width = 14
-    else:
-        width = 16
+    # The max number of characters on a single line
+    width = 14
 
     return split_to_lines(address, width)
 
@@ -904,4 +902,18 @@ def split_by_char_size(msg, font):
             lines.append(ln)
     return lines
 
+def partition_evenly_by_max_size(total, max_part_size):
+  num_total_parts = (total + max_part_size - 1) // max_part_size
+  min_size = int(total / num_total_parts)
+  num_big_parts = total % num_total_parts
+  parts = []
+
+  for i in range(0, num_big_parts):
+    parts.append(min_size + 1)
+
+  for i in range(num_big_parts, num_total_parts):
+    parts.append(min_size)
+
+  return parts
+
 # EOF

ports/stm32/boards/Passport/modules/wallets/utils.py

@@ -95,16 +95,18 @@ def get_deriv_fmt_from_address(address, is_multisig):
 
     # Map the address prefix to a standard derivation path and insert the account number
     if is_multisig:
-        if address[0] == '3':
+        if (address[0] == '3' or address[0] == 'n'):
             return "m/48'/{coin_type}'/{acct}'/1'"
-        elif address[0] == 'b' and address[1] == 'c' and address[2] == '1':
+        elif ((address[0] == 'b' and address[1] == 'c' and address[2] == '1') or
+             (address[0] == 't' and address[1] == 'b' and address[2] == '1')):
             return "m/48'/{coin_type}'/{acct}'/2'"
     else:
-        if address[0] == '1':
+        if (address[0] == '1' or address[0] == 'm'):
             return "m/44'/{coin_type}'/{acct}'"
-        elif address[0] == '3':
+        elif (address[0] == '3' or address[0] == 'n'):
             return "m/49'/{coin_type}'/{acct}'"
-        elif address[0] == 'b' and address[1] == 'c' and address[2] == '1':
+        elif ((address[0] == 'b' and address[1] == 'c' and address[2] == '1') or
+             (address[0] == 't' and address[1] == 'b' and address[2] == '1')):
             return "m/84'/{coin_type}'/{acct}'"
 
     return None