remove BOLT11_HRP_INV_DICT

electrum/lnaddr.py

@@ -108,9 +108,6 @@ def parse_fallback_addr(data5: Sequence[int], net: Type[AbstractNet]) -> Optiona
     return addr
 
 
-BOLT11_HRP_INV_DICT = {net.BOLT11_HRP: net for net in constants.NETS_LIST}
-
-
 def tagged5(char: str, data5: Sequence[int]) -> Sequence[int]:
     assert len(data5) < (1 << 10)
     return [CHARSET_INVERSE[char], len(data5) >> 5, len(data5) & 31] + data5
@@ -420,11 +417,9 @@ def lndecode(invoice: str, *, verbose=False, net=None) -> LnAddr:
 
     addr = LnAddr()
     addr.pubkey = None
+    addr.net = net
 
-    m = re.search("[^\\d]+", hrp[2:])
-    if m:
-        addr.net = BOLT11_HRP_INV_DICT[m.group(0)]
-        amountstr = hrp[2+m.end():]
+    amountstr = hrp[2+len(net.BOLT11_HRP):]
     # BOLT #11:
     #
     # A reader SHOULD indicate if amount is unspecified, otherwise it MUST