change smartcash curve (#202)

defs/bitcoin/smartcash.json

@@ -5,7 +5,7 @@
   "website": "https://smarcash.cc",
   "github": "https://github.com/SmartCash/Core-Smart",
   "maintainer": "Leandro Reinaux <leoreinaux@gmail.com>",
-  "curve_name": "secp256k1",
+  "curve_name": "secp256k1_smart",
   "address_type": 63,
   "address_type_p2sh": 18,
   "maxfee_kb": 1000000,

defs/bitcoin/smartcash_testnet.json

@@ -5,7 +5,7 @@
   "website": "https://smartcash.cc",
   "github": "https://github.com/SmartCash/Core-Smart",
   "maintainer": "Leandro Reinaux <leoreinaux@gmail.com>",
-  "curve_name": "secp256k1",
+  "curve_name": "secp256k1_smart",
   "address_type": 65,
   "address_type_p2sh": 21,
   "maxfee_kb": 1000000,

tools/coin_info.py

@@ -114,7 +114,7 @@ BTC_CHECKS = [
     check_key("github", str, regex=r"^https://github.com/.*[^/]$"),
     check_key("maintainer", str),
     check_key(
-        "curve_name", str, choice=["secp256k1", "secp256k1_decred", "secp256k1_groestl"]
+        "curve_name", str, choice=["secp256k1", "secp256k1_decred", "secp256k1_groestl", "secp256k1_smart"]
     ),
     check_key("address_type", int),
     check_key("address_type_p2sh", int),