erc20-vend

Create ERC20 tokens the can be minted by existing ERC20 token balance
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test_events.py (6154B)

      1 # standard imports
      2 import unittest
      3 import logging
      4 import os
      5 from chainlib.eth.nonce import RPCNonceOracle
      6 from chainlib.eth.contract import ABIContractLogDecoder
      7 from chainlib.eth.contract import ABIContractType
      8 from chainlib.eth.tx import receipt
      9 from eth_erc20 import ERC20
     10 from giftable_erc20_token import GiftableToken
     11 from hexathon import same as same_hex
     12 
     13 # local imports
     14 from erc20_vend.unittest.base import TestVendCore
     15 from erc20_vend import Vend
     16 
     17 
     18 logging.basicConfig(level=logging.DEBUG)
     19 logg = logging.getLogger()
     20 
     21 
     22 class TestVendBase(TestVendCore):
     23 
     24     def test_create_token_event(self):
     25         self.publish(mint=True)
     26         nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
     27         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     28         (tx_hash, o) = c.create(self.vend_address, self.accounts[0], 'foo vend', 'FOOVEND')
     29         self.rpc.do(o)
     30         o = receipt(tx_hash)
     31         r = self.rpc.do(o)
     32         rlog = r['logs'][0]
     33         
     34         o = c.get_token(self.vend_address, 0, sender_address=self.accounts[0])
     35         r = self.rpc.do(o)
     36         vended_token_address = c.parse_token(r)
     37 
     38         dec = ABIContractLogDecoder()
     39         dec.topic('TokenCreated')
     40         dec.typ(ABIContractType.UINT256)
     41         dec.typ(ABIContractType.UINT256)
     42         dec.typ(ABIContractType.ADDRESS)
     43         dec.apply(rlog['topics'], [rlog['data']])
     44         self.assertEqual(int(dec.contents[0], 16), 0)
     45         self.assertEqual(int(dec.contents[1], 16), 0)
     46         self.assertEqual(int(dec.contents[2], 16), int(vended_token_address, 16))
     47 
     48 
     49     def test_mint_event(self):
     50         self.publish(mint=True)
     51         nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
     52         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     53         (tx_hash, o) = c.create(self.vend_address, self.accounts[0], 'foo vend', 'FOOVEND')
     54         self.rpc.do(o)
     55 
     56         o = c.get_token(self.vend_address, 0, sender_address=self.accounts[0])
     57         r = self.rpc.do(o)
     58         vended_token_address = c.parse_token(r)
     59 
     60         vend_amount = 100
     61         src_amount = vend_amount * (10 ** self.token_decimals)
     62         c = GiftableToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     63         (tx_hash, o) = c.mint_to(self.token_address, self.accounts[0], self.alice, src_amount)
     64         self.rpc.do(o)
     65 
     66         nonce_oracle = RPCNonceOracle(self.alice, conn=self.conn)
     67         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     68         (tx_hash, o) = c.deposit(self.vend_address, self.alice, vended_token_address)
     69         self.rpc.do(o)
     70         o = receipt(tx_hash)
     71         r = self.rpc.do(o)
     72         self.assertEqual(r['status'], 1)
     73         rlog = r['logs'][0]
     74 
     75         dec = ABIContractLogDecoder()
     76         dec.topic('Mint')
     77         dec.typ(ABIContractType.ADDRESS)
     78         dec.typ(ABIContractType.ADDRESS)
     79         dec.typ(ABIContractType.UINT256)
     80         dec.apply(rlog['topics'], [rlog['data']])
     81         self.assertEqual(int(dec.contents[0], 16), int(self.vend_address, 16))
     82         self.assertEqual(int(dec.contents[1], 16), int(self.alice, 16))
     83         self.assertEqual(int(dec.contents[2], 16), vend_amount)
     84 
     85 
     86     def test_create_token_nomint_event(self):
     87         self.publish()
     88         nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
     89         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     90         (tx_hash, o) = c.create(self.vend_address, self.accounts[0], 'foo vend', 'FOOVEND')
     91         self.rpc.do(o)
     92         o = receipt(tx_hash)
     93         r = self.rpc.do(o)
     94         self.assertEqual(r['status'], 1)
     95         rlog = r['logs'][1]
     96         
     97         o = c.get_token(self.vend_address, 0, sender_address=self.accounts[0])
     98         r = self.rpc.do(o)
     99         vended_token_address = c.parse_token(r)
    100 
    101         dec = ABIContractLogDecoder()
    102         dec.topic('TokenCreated')
    103         dec.typ(ABIContractType.UINT256)
    104         dec.typ(ABIContractType.UINT256)
    105         dec.typ(ABIContractType.ADDRESS)
    106         dec.apply(rlog['topics'], [rlog['data']])
    107         self.assertEqual(int(dec.contents[0], 16), 0)
    108         self.assertEqual(int(dec.contents[1], 16), self.initial_supply)
    109         self.assertEqual(int(dec.contents[2], 16), int(vended_token_address, 16))
    110 
    111 
    112     def test_mint_event(self):
    113         self.publish()
    114         nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
    115         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
    116         (tx_hash, o) = c.create(self.vend_address, self.accounts[0], 'foo vend', 'FOOVEND')
    117         self.rpc.do(o)
    118 
    119         o = c.get_token(self.vend_address, 0, sender_address=self.accounts[0])
    120         r = self.rpc.do(o)
    121         vended_token_address = c.parse_token(r)
    122 
    123         vend_amount = 100
    124         src_amount = vend_amount * (10 ** self.token_decimals)
    125         c = GiftableToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
    126         (tx_hash, o) = c.mint_to(self.token_address, self.accounts[0], self.alice, src_amount)
    127         self.rpc.do(o)
    128 
    129         nonce_oracle = RPCNonceOracle(self.alice, conn=self.conn)
    130         c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
    131         (tx_hash, o) = c.approve(self.token_address, self.alice, self.vend_address, src_amount)
    132         self.rpc.do(o)
    133 
    134         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
    135         (tx_hash, o) = c.deposit(self.vend_address, self.alice, vended_token_address)
    136         self.rpc.do(o)
    137         o = receipt(tx_hash)
    138         r = self.rpc.do(o)
    139         self.assertEqual(r['status'], 1)
    140         rlog = r['logs'][1]
    141 
    142         dec = ABIContractLogDecoder()
    143         dec.topic('Transfer')
    144         dec.typ(ABIContractType.ADDRESS)
    145         dec.typ(ABIContractType.ADDRESS)
    146         dec.typ(ABIContractType.UINT256)
    147         dec.apply(rlog['topics'], [rlog['data']])
    148         self.assertEqual(int(dec.contents[0], 16), int(self.vend_address, 16))
    149         self.assertEqual(int(dec.contents[1], 16), int(self.alice, 16))
    150         self.assertEqual(int(dec.contents[2], 16), vend_amount)
    151 
    152 
    153 if __name__ == '__main__':
    154     unittest.main()