erc20-vend

Create ERC20 tokens the can be minted by existing ERC20 token balance
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test_base.py (4851B)

      1 # standard imports
      2 import unittest
      3 import logging
      4 import os
      5 from chainlib.eth.nonce import RPCNonceOracle
      6 from chainlib.eth.tx import receipt
      7 from eth_erc20 import ERC20
      8 from giftable_erc20_token import GiftableToken
      9 
     10 # local imports
     11 from erc20_vend.unittest import TestVend
     12 from erc20_vend import Vend
     13 
     14 
     15 logging.basicConfig(level=logging.DEBUG)
     16 logg = logging.getLogger()
     17 
     18 
     19 class TestVendBase(TestVend):
     20 
     21     def test_create_token(self):
     22         nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
     23         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     24         (tx_hash, o) = c.create(self.vend_address, self.accounts[0], 'foo vend', 'FOOVEND')
     25         self.rpc.do(o)
     26         o = receipt(tx_hash)
     27         r = self.rpc.do(o)
     28         self.assertEqual(r['status'], 1)
     29 
     30         o = c.get_token(self.vend_address, 0, sender_address=self.accounts[0])
     31         r = self.rpc.do(o)
     32         vended_token_address = c.parse_token(r)
     33    
     34         c = ERC20(self.chain_spec)
     35         o = c.name(vended_token_address, sender_address=self.accounts[0])
     36         r = self.rpc.do(o)
     37         name = c.parse_name(r)
     38         self.assertEqual(name, 'foo vend')
     39 
     40         o = c.symbol(vended_token_address, sender_address=self.accounts[0])
     41         r = self.rpc.do(o)
     42         symbol = c.parse_symbol(r)
     43         self.assertEqual(symbol, 'FOOVEND')
     44         
     45     def test_vend_token(self):
     46         nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
     47         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     48         (tx_hash, o) = c.create(self.vend_address, self.accounts[0], 'foo vend', 'FOOVEND')
     49         self.rpc.do(o)
     50 
     51         o = c.get_token(self.vend_address, 0, sender_address=self.accounts[0])
     52         r = self.rpc.do(o)
     53         vended_token_address = c.parse_token(r)
     54 
     55         vend_amount = 100
     56         src_amount = vend_amount * (10 ** (self.token_decimals))
     57         c = GiftableToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     58         (tx_hash, o) = c.mint_to(self.token_address, self.accounts[0], self.alice, src_amount)
     59         self.rpc.do(o)
     60         o = receipt(tx_hash)
     61         r = self.rpc.do(o)
     62         self.assertEqual(r['status'], 1)
     63 
     64         nonce_oracle = RPCNonceOracle(self.alice, conn=self.conn)
     65         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     66         (tx_hash, o) = c.deposit(self.vend_address, self.alice, vended_token_address)
     67         self.rpc.do(o)
     68         o = receipt(tx_hash)
     69         r = self.rpc.do(o)
     70         self.assertEqual(r['status'], 0)
     71 
     72         c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     73         (tx_hash, o) = c.approve(self.token_address, self.alice, self.vend_address, src_amount)
     74         self.rpc.do(o)
     75         o = receipt(tx_hash)
     76         r = self.rpc.do(o)
     77         self.assertEqual(r['status'], 1)
     78 
     79         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     80         (tx_hash, o) = c.deposit(self.vend_address, self.alice, vended_token_address)
     81         self.rpc.do(o)
     82         o = receipt(tx_hash)
     83         r = self.rpc.do(o)
     84         self.assertEqual(r['status'], 1)
     85 
     86         c = ERC20(self.chain_spec)
     87         o = c.balance_of(vended_token_address, self.alice, sender_address=self.accounts[0])
     88         r = self.rpc.do(o)
     89         balance = c.parse_balance(r)
     90         self.assertEqual(balance, vend_amount)
     91 
     92         o = c.balance_of(self.token_address, self.alice, sender_address=self.accounts[0])
     93         r = self.rpc.do(o)
     94         balance = c.parse_balance(r)
     95         self.assertEqual(balance, 0)
     96 
     97         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
     98         (tx_hash, o) = c.withdraw(self.vend_address, self.alice, vended_token_address)
     99         self.rpc.do(o)
    100         o = receipt(tx_hash)
    101         r = self.rpc.do(o)
    102         self.assertEqual(r['status'], 0)
    103 
    104         c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
    105         (tx_hash, o) = c.approve(vended_token_address, self.alice, self.vend_address, vend_amount)
    106         self.rpc.do(o)
    107 
    108         c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
    109         (tx_hash, o) = c.withdraw(self.vend_address, self.alice, vended_token_address)
    110         self.rpc.do(o)
    111         o = receipt(tx_hash)
    112         r = self.rpc.do(o)
    113         self.assertEqual(r['status'], 1)
    114 
    115         c = ERC20(self.chain_spec)
    116         o = c.balance_of(vended_token_address, self.alice, sender_address=self.accounts[0])
    117         r = self.rpc.do(o)
    118         balance = c.parse_balance(r)
    119         self.assertEqual(balance, 0)
    120 
    121         o = c.balance_of(self.token_address, self.alice, sender_address=self.accounts[0])
    122         r = self.rpc.do(o)
    123         balance = c.parse_balance(r)
    124         self.assertEqual(balance, src_amount)
    125 
    126 
    127 
    128 if __name__ == '__main__':
    129     unittest.main()