erc20-demurrage-token/python/tests/test_basic.py

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# standard imports
import os
import unittest
import json
import logging
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import datetime
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# external imports
from chainlib.eth.constant import ZERO_ADDRESS
from chainlib.eth.nonce import RPCNonceOracle
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from chainlib.eth.tx import receipt
# local imports
from erc20_demurrage_token import DemurrageToken
# test imports
from tests.base import TestDemurrageDefault
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logging.basicConfig(level=logging.INFO)
logg = logging.getLogger()
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testdir = os.path.dirname(__file__)
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class TestBasic(TestDemurrageDefault):
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def test_hello(self):
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
o = c.actual_period(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
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self.backend.time_travel(self.start_time + self.period_seconds + 1)
o = c.actual_period(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
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def test_apply_demurrage(self):
modifier = 10 * (10 ** 37)
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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o = c.demurrage_amount(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage_amount = c.parse_demurrage_amount(r)
self.assertEqual(modifier, demurrage_amount)
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self.backend.time_travel(self.start_time + self.period_seconds - 1)
o = c.demurrage_amount(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage_amount = c.parse_demurrage_amount(r)
self.assertEqual(modifier, demurrage_amount)
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self.backend.time_travel(self.start_time + self.period_seconds + 1)
(tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
o = c.demurrage_amount(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage_amount = c.parse_demurrage_amount(r)
modifier = int(98 * (10 ** 36))
self.assertEqual(modifier, demurrage_amount)
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def test_mint(self):
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1024)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance_of(r)
self.assertEqual(balance, 1024)
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 976)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance_of(r)
self.assertEqual(balance, 2000)
self.backend.time_travel(self.start_time + 61)
(tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance_of(r)
self.assertEqual(balance, int(2000 * 0.98))
def test_minter_control(self):
nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.mint_to(self.address, self.accounts[1], self.accounts[2], 1024)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 0)
(tx_hash, o) = c.add_minter(self.address, self.accounts[1], self.accounts[1])
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 0)
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.add_minter(self.address, self.accounts[0], self.accounts[1])
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.mint_to(self.address, self.accounts[1], self.accounts[2], 1024)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
(tx_hash, o) = c.add_minter(self.address, self.accounts[1], self.accounts[2])
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 0)
(tx_hash, o) = c.remove_minter(self.address, self.accounts[1], self.accounts[1])
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
(tx_hash, o) = c.mint_to(self.address, self.accounts[1], self.accounts[2], 1024)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 0)
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def test_base_amount(self):
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1024)
self.rpc.do(o)
self.backend.time_travel(self.start_time + 61)
(tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
o = c.to_base_amount(self.address, 1000, sender_address=self.accounts[0])
r = self.rpc.do(o)
amount = c.parse_to_base_amount(r)
self.assertEqual(amount, 1020)
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def test_transfer(self):
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1024)
self.rpc.do(o)
nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.transfer(self.address, self.accounts[1], self.accounts[2], 500)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance_of(r)
self.assertEqual(balance, 524)
o = c.balance_of(self.address, self.accounts[2], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance_of(r)
self.assertEqual(balance, 500)
nonce_oracle = RPCNonceOracle(self.accounts[2], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.transfer(self.address, self.accounts[2], self.accounts[1], 500)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
def test_transfer_from(self):
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1024)
self.rpc.do(o)
nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.approve(self.address, self.accounts[1], self.accounts[2], 500)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance_of(r)
self.assertEqual(balance, 1024)
nonce_oracle = RPCNonceOracle(self.accounts[2], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.transfer_from(self.address, self.accounts[2], self.accounts[1], self.accounts[3], 500)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance_of(r)
self.assertEqual(balance, 524)
o = c.balance_of(self.address, self.accounts[3], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance_of(r)
self.assertEqual(balance, 500)
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if __name__ == '__main__':
unittest.main()