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Add test for arbitrary account demurrage honoring burn amount

This commit is contained in:
lash 2022-12-05 18:53:07 +00:00
parent 140dde7bc3
commit 2f4f8bb7b9
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
1 changed files with 66 additions and 35 deletions
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101
python/tests/test_burn.py
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@ -124,41 +124,72 @@ class TestBurn(TestDemurrageDefault):
# def test_burned_other_redistribution(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[0], 1024)
# r = self.rpc.do(o)
#
# (tx_hash, o) = c.burn(self.address, self.accounts[0], 500)
# r = self.rpc.do(o)
#
# (tx_hash, o) = c.transfer(self.address, self.accounts[0], self.accounts[1], 524)
# r = self.rpc.do(o)
#
# self.backend.time_travel(self.start_time + self.period_seconds)
#
# (tx_hash, o) = c.change_period(self.address, self.accounts[0])
# r = self.rpc.do(o)
# o = receipt(tx_hash)
# r = self.rpc.do(o)
# self.assertEqual(r['status'], 1)
#
# o = c.total_supply(self.address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# new_supply = c.parse_total_supply(r)
# self.assertEqual(new_supply, 524)
#
# o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
# r = self.rpc.do(o)
# bal = c.parse_balance(r)
# self.assertEqual(bal, 524)
#
# o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# bal = c.parse_balance(r)
# self.assertEqual(bal, 524)
def test_burned_other_redistribution(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[0], 1000000000)
r = self.rpc.do(o)
(tx_hash, o) = c.burn(self.address, self.accounts[0], 500000000)
r = self.rpc.do(o)
(tx_hash, o) = c.transfer(self.address, self.accounts[0], self.accounts[1], 500000000)
r = self.rpc.do(o)
self.backend.time_travel(self.start_time + self.period_seconds)
o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
bal = c.parse_balance(r)
self.assertEqual(bal, 416873881) # 9 periods demurrage
(tx_hash, o) = c.change_period(self.address, self.accounts[0])
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.total_supply(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
new_supply = c.parse_total_supply(r)
self.assertEqual(new_supply, 500000000)
o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
bal = c.parse_balance(r)
self.assertEqual(bal, 408536403) # 9 periods demurrage
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
r = self.rpc.do(o)
sink_bal = c.parse_balance(r)
self.assert_within_lower(sink_bal, 500000000 - 408536403, 0.09) # TODO is this ok variance, 1.0 is ppm?
self.backend.time_travel(self.start_time + (self.period_seconds * 2))
(tx_hash, o) = c.change_period(self.address, self.accounts[0])
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.total_supply(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
new_supply = c.parse_total_supply(r)
self.assertEqual(new_supply, 500000000)
o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
next_bal = c.parse_balance(r)
self.assertEqual(next_bal, 333803985) # 9 periods demurrage
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
r = self.rpc.do(o)
prev_sink_bal = sink_bal
bal = prev_sink_bal + (bal - next_bal)
sink_bal = c.parse_balance(r)
self.assert_within_lower(sink_bal, bal, 0.09) # TODO is this ok variance, 1.0 is ppm?
if __name__ == '__main__':
unittest.main()