Add mint to method

python/giftable_erc20_token/factory.py

@@ -0,0 +1,79 @@
+# standard imports
+import os
+import logging
+
+# external imports
+from chainlib.eth.tx import (
+        TxFactory,
+        TxFormat,
+        )
+from chainlib.eth.encoding import abi_encode_hex
+from chainlib.hash import keccak256_string_to_hex
+from chainlib.eth.contract import (
+        ABIContractEncoder,
+        ABIContractType,
+        )
+
+
+# local imports
+from giftable_erc20_token.data import data_dir
+
+logg = logging.getLogger(__name__)
+
+
+class GiftableToken(TxFactory):
+
+    __abi = None
+    __bytecode = None
+
+    def constructor(self, sender_address, name, symbol, decimals):
+        code = GiftableToken.bytecode()
+
+        tx = self.template(sender_address, '0x', use_nonce=True)
+        code += abi_encode_hex('(string,string,uint8)', [name, symbol, decimals])
+        tx = self.set_code(tx, code)
+        return self.build(tx)
+
+
+    @staticmethod
+    def abi():
+        if GiftableToken.__abi == None:
+            f = open(os.path.join(data_dir, 'GiftableToken.json'), 'r')
+            GiftableToken.__abi = json.load(f)
+            f.close()
+        return GiftableToken.__abi
+
+
+    @staticmethod
+    def bytecode():
+        if GiftableToken.__bytecode == None:
+            f = open(os.path.join(data_dir, 'GiftableToken.bin'))
+            GiftableToken.__bytecode = f.read()
+            f.close()
+        return GiftableToken.__bytecode
+
+
+    def add_minter(self, contract_address, sender_address, address):
+        enc = ABIContractEncoder()
+        enc.method('mintTo')
+        enc.typ(ABIContractType.ADDRESS)
+        enc.address(address)
+        data = enc.get()
+        tx = self.template(sender_address, contract_address, use_nonce=True)
+        tx = self.set_code(tx, data)
+        tx = self.finalize(tx, tx_format)
+        return tx
+
+
+    def mint_to(self, contract_address, sender_address, address, value, tx_format=TxFormat.JSONRPC):
+        enc = ABIContractEncoder()
+        enc.method('mintTo')
+        enc.typ(ABIContractType.ADDRESS)
+        enc.typ(ABIContractType.UINT256)
+        enc.address(address)
+        enc.uint256(value)
+        data = enc.get()
+        tx = self.template(sender_address, contract_address, use_nonce=True)
+        tx = self.set_code(tx, data)
+        tx = self.finalize(tx, tx_format)
+        return tx

python/giftable_erc20_token/runnable/gift.py

@@ -21,7 +21,7 @@ from eth_keys import keys
 from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
 from crypto_dev_signer.keystore import DictKeystore
 from crypto_dev_signer.eth.helper import EthTxExecutor
-from chainlib.chain from ChainSpec
+from chainlib.chain import ChainSpec
 
 logging.basicConfig(level=logging.WARNING)
 logg = logging.getLogger()

python/setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = giftable-erc20-token
-version = 0.0.7b11
+version = 0.0.7b13
 description = Simple ERC20 contract with deployment script that lets any address mint and gift itself tokens.
 author = Louis Holbrook
 author_email = dev@holbrook.no