Implement bytecode and contract constructor code for chainlib find tool

python/giftable_erc20_token/_clf.py

@@ -0,0 +1,21 @@
+# local imports
+from .factory import GiftableToken
+
+
+def code(v):
+    version = None
+    if v != None:
+        version = v[0]
+    return GiftableToken.bytecode(version=version)
+
+
+def init(v):
+    if v == None or len(v) < 3:
+        raise ValueError('minimum 3 arguments required')
+    version = None
+    if len(v) == 4:
+        version = v[4]
+    return GiftableToken.cargs(v[0], v[1], v[2], version=version)
+
+
+default = code

python/giftable_erc20_token/factory.py

@@ -24,16 +24,22 @@ class GiftableToken(TxFactory):
     __abi = None
     __bytecode = None
 
-    def constructor(self, sender_address, name, symbol, decimals, tx_format=TxFormat.JSONRPC):
-        code = GiftableToken.bytecode()
+    def constructor(self, sender_address, name, symbol, decimals, tx_format=TxFormat.JSONRPC, version=None):
+        code = constructor_arg(name, symbol, decimals)
+        tx = self.template(sender_address, None, use_nonce=True)
+        tx = self.set_code(tx, code)
+        return self.finalize(tx, tx_format)
+
+
+    @staticmethod
+    def cargs(name, symbol, decimals, version=None):
+        code = GiftableToken.bytecode(version=version)
         enc = ABIContractEncoder()
         enc.string(name)
         enc.string(symbol)
         enc.uint256(decimals)
         code += enc.get()
-        tx = self.template(sender_address, None, use_nonce=True)
-        tx = self.set_code(tx, code)
-        return self.finalize(tx, tx_format)
+        return code
 
 
     @staticmethod
@@ -51,7 +57,7 @@ class GiftableToken(TxFactory):
 
 
     @staticmethod
-    def bytecode():
+    def bytecode(version=None):
         if GiftableToken.__bytecode == None:
             f = open(os.path.join(data_dir, 'GiftableToken.bin'))
             GiftableToken.__bytecode = f.read()