99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
# standard imports
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import os
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import unittest
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import json
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import logging
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import datetime
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# external imports
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from chainlib.eth.constant import ZERO_ADDRESS
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from chainlib.eth.nonce import RPCNonceOracle
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from chainlib.eth.tx import receipt
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from chainlib.eth.block import (
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block_latest,
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block_by_number,
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)
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# local imports
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from erc20_demurrage_token import DemurrageToken
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# test imports
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from erc20_demurrage_token.unittest import TestDemurrageDefault
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logging.basicConfig(level=logging.DEBUG)
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logg = logging.getLogger()
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testdir = os.path.dirname(__file__)
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class TestExpire(TestDemurrageDefault):
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def test_expires(self):
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mint_amount = self.default_supply
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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for i in range(3):
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(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[i+1], mint_amount)
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r = self.rpc.do(o)
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(tx_hash, o) = c.set_expire_period(self.address, self.accounts[0], 2)
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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o = c.expires(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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expiry_time = c.parse_expires(r)
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self.backend.time_travel(expiry_time + 60)
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o = block_latest()
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r = self.rpc.do(o)
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o = block_by_number(r)
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r = self.rpc.do(o)
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self.assertGreaterEqual(r['timestamp'], expiry_time)
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nonce_oracle = RPCNonceOracle(self.sink_address, self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.transfer(self.address, self.sink_address, self.accounts[2], 1)
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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(tx_hash, o) = c.transfer(self.address, self.sink_address, self.accounts[2], 1)
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 0)
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o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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balance = c.parse_balance(r)
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self.assert_within(balance, 0.9604 * mint_amount, 1)
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o = c.total_supply(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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supply = c.parse_balance(r)
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(tx_hash, o) = c.change_period(self.address, self.sink_address)
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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o = c.balance_of(self.address, self.sink_address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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balance = c.parse_balance(r)
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o = c.decay_by(self.address, supply, int((expiry_time - self.start_time) / 60), sender_address=self.sink_address)
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r = self.rpc.do(o)
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target_balance = c.parse_balance(r)
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self.assert_within_lower(balance, supply - target_balance, 0.0001)
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if __name__ == '__main__':
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unittest.main()
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