99 lines
3.6 KiB
Python
99 lines
3.6 KiB
Python
import os
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import unittest
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import json
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import logging
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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 block_latest
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from chainlib.eth.address import to_checksum_address
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from hexathon import (
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strip_0x,
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add_0x,
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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.base import TestDemurrageSingle
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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 TestRedistributionSingle(TestDemurrageSingle):
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def test_single_even_if_multiple(self):
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mint_amount = 100000000
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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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external_address = to_checksum_address('0x' + os.urandom(20).hex())
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nonce_oracle = RPCNonceOracle(self.accounts[2], 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.accounts[2], external_address, int(mint_amount) * 0.1)
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r = self.rpc.do(o)
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nonce_oracle = RPCNonceOracle(self.accounts[3], 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.accounts[3], external_address, int(mint_amount) * 0.2)
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r = self.rpc.do(o)
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self.backend.time_travel(self.start_time + self.period_seconds + 1)
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(tx_hash, o) = c.apply_demurrage(self.address, self.accounts[3])
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self.rpc.do(o)
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o = receipt(tx_hash)
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rcpt = self.rpc.do(o)
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self.assertEqual(rcpt['status'], 1)
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(tx_hash, o) = c.change_period(self.address, self.accounts[3])
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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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tax_modifier = (1 - (self.tax_level / 1000000)) ** 10
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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.assertEqual(balance, int(mint_amount * tax_modifier))
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o = c.balance_of(self.address, self.accounts[2], 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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base_amount = mint_amount - int(mint_amount * 0.1)
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self.assertEqual(balance, int(base_amount * tax_modifier)) #(base_amount - (base_amount * (self.tax_level / 1000000))))
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o = c.balance_of(self.address, self.accounts[3], 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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base_amount = mint_amount - int(mint_amount * 0.2)
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self.assertEqual(balance, int(base_amount * tax_modifier)) #(base_amount - (base_amount * (self.tax_level / 1000000))))
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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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new_supply = c.parse_total_supply(r)
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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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expected_balance = new_supply - (new_supply * tax_modifier)
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logg.debug('expected balance {}'.format(expected_balance))
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self.assert_within_lower(balance, expected_balance, 1)
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if __name__ == '__main__':
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unittest.main()
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