coins: Fix Firo seedid

basicswap/interface/btc.py

@@ -371,6 +371,9 @@ class BTCInterface(CoinInterface):
         pk = self.getPubkey(key)
         return hash160(pk)
 
+    def getSeedHash(self, seed):
+        return self.getAddressHashFromKey(seed)[::-1]
+
     def verifyKey(self, k):
         i = b2i(k)
         return (i < ep.o and i > 0)

basicswap/interface/firo.py

@@ -156,6 +156,9 @@ class FIROInterface(BTCInterface):
 
         return CScript([OP_HASH160, script_hash_hash, OP_EQUAL])
 
+    def getSeedHash(self, seed):
+        return hash160(seed)[::-1]
+
     def encodeScriptDest(self, script):
         # Extract hash from script
         script_hash = script[2:-1]