src/apps/common: add smartcash curve

src/apps/common/coininfo.py

@@ -1,6 +1,6 @@
 # generated from coininfo.py.mako
 # do not edit manually!
-from trezor.crypto.base58 import blake256_32, groestl512d_32, sha256d_32
+from trezor.crypto.base58 import blake256_32, groestl512d_32, sha3k_256, sha256d_32
 from trezor.crypto.scripts import blake256_ripemd160_digest, sha256_ripemd160_digest
 
 
@@ -54,6 +54,10 @@ class CoinInfo:
             self.b58_hash = blake256_32
             self.sign_hash_double = False
             self.script_hash = blake256_ripemd160_digest
+        elif curve_name == "secp256k1-smart":
+            self.b58_hash = sha3k_256
+            self.sign_hash_double = False
+            self.script_hash = sha256_ripemd160_digest
         else:
             self.b58_hash = sha256d_32
             self.sign_hash_double = True

src/apps/common/coininfo.py.mako

@@ -1,6 +1,6 @@
 # generated from coininfo.py.mako
 # do not edit manually!
-from trezor.crypto.base58 import blake256_32, groestl512d_32, sha256d_32
+from trezor.crypto.base58 import blake256_32, groestl512d_32, sha3k_256, sha256d_32
 from trezor.crypto.scripts import blake256_ripemd160_digest, sha256_ripemd160_digest
 
 
@@ -54,6 +54,10 @@ class CoinInfo:
             self.b58_hash = blake256_32
             self.sign_hash_double = False
             self.script_hash = blake256_ripemd160_digest
+        elif curve_name == "secp256k1-smart":
+            self.b58_hash = sha3k_256
+            self.sign_hash_double = False
+            self.script_hash = sha256_ripemd160_digest
         else:
             self.b58_hash = sha256d_32
             self.sign_hash_double = True

src/trezor/crypto/base58.py

@@ -77,6 +77,12 @@ def blake256_32(data: bytes) -> bytes:
     return blake256(blake256(data).digest()).digest()[:4]
 
 
+def sha3k_256(data: bytes) -> bytes:
+    from .hashlib import sha3_256
+
+    return sha3_256(data, keccak=True).digest()[:4]
+
+
 def encode_check(data: bytes, digestfunc=sha256d_32) -> str:
     """
     Convert bytes to base58 encoded string, append checksum.