erc20-vend

Create ERC20 tokens the can be minted by existing ERC20 token balance
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base.py (1806B)

      1 # standard imports
      2 import logging
      3 import time
      4 
      5 # external imports
      6 from chainlib.eth.unittest.ethtester import EthTesterCase
      7 from chainlib.connection import RPCConnection
      8 from chainlib.eth.nonce import RPCNonceOracle
      9 from chainlib.eth.tx import receipt
     10 from chainlib.eth.address import to_checksum_address
     11 from giftable_erc20_token.unittest import TestGiftableToken
     12 from eth_erc20 import ERC20
     13 from chainlib.eth.block import block_latest
     14 
     15 # local imports
     16 from erc20_vend import Vend
     17 
     18 logg = logging.getLogger(__name__)
     19 
     20 class TestVendCore(TestGiftableToken):
     21 
     22     expire = 0
     23 
     24     def setUp(self):
     25         super(TestVendCore, self).setUp()
     26 
     27         self.alice = self.accounts[1]
     28         self.bob = self.accounts[2]
     29 
     30         self.token_address = self.address
     31 
     32         c = ERC20(self.chain_spec)
     33         o = c.decimals(self.token_address, sender_address=self.accounts[0])
     34         r = self.rpc.do(o)
     35         self.token_decimals = c.parse_decimals(r)
     36 
     37 
     38     def publish(self, mint=False, decimals=0):
     39         nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
     40         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     41         (tx_hash, o) = c.constructor(self.accounts[0], self.token_address, mint=mint, decimals=decimals)
     42         self.rpc.do(o)
     43         o = receipt(tx_hash)
     44         r = self.rpc.do(o)
     45         self.assertEqual(r['status'], 1)
     46         self.vend_address = to_checksum_address(r['contract_address'])
     47         logg.debug('published vend on address {} with hash {}'.format(self.vend_address, tx_hash))
     48 
     49 
     50 class TestVend(TestVendCore):
     51 
     52     def setUp(self):
     53         super(TestVend, self).setUp()
     54         self.publish()
     55 
     56 
     57 class TestVendParams(TestVendCore):
     58 
     59     def setUp(self):
     60         super(TestVendParams, self).setUp()
     61         self.publish(lock=True, decimals=2)