cicnet/erc20-demurrage-token
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WIP time travel in sim

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This commit is contained in:
nolash 2021-06-05 20:23:06 +02:00
parent e142dd0432
commit 7bdd18664e
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
2 changed files with 97 additions and 27 deletions
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106
python/erc20_demurrage_token/sim/sim.py
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@ -42,29 +42,11 @@ class DemurrageTokenSimulation:
self.eth_backend = self.eth_helper.backend
self.gas_oracle = OverrideGasOracle(limit=100000, price=1)
self.rpc = TestRPCConnection(None, self.eth_helper, self.signer)
self.period = 1
for a in self.keystore.list():
self.accounts.append(add_0x(to_checksum_address(a)))
settings.sink_address = self.accounts[0]
nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.rpc)
c = DemurrageToken(chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.constructor(self.accounts[0], settings, redistribute=redistribute, cap=cap)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
if (r['status'] != 1):
raise RuntimeError('contract deployment failed')
self.address = r['contract_address']
self.period_seconds = settings.period_minutes * 60
o = block_latest()
r = self.rpc.do(o)
self.last_block = r
o = block_by_number(r)
r = self.rpc.do(o)
self.last_timestamp = r['timestamp']
self.actors = []
for i in range(actors):
@ -83,7 +65,30 @@ class DemurrageTokenSimulation:
raise RuntimeError('failed gas transfer to account #{}: {} from {}'.format(i, address, self.accounts[idx]))
logg.debug('added actor account #{}: {}'.format(i, address))
self.eth_helper.disable_auto_mine_transactions()
o = block_latest()
r = self.rpc.do(o)
self.last_block = r
self.start_block = self.last_block
o = block_by_number(r)
r = self.rpc.do(o)
self.last_timestamp = r['timestamp']
self.start_timestamp = self.last_timestamp
nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.rpc)
c = DemurrageToken(chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.constructor(self.accounts[0], settings, redistribute=redistribute, cap=cap)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
if (r['status'] != 1):
raise RuntimeError('contract deployment failed')
self.address = r['contract_address']
self.period_seconds = settings.period_minutes * 60
self.last_block += 1
self.last_timestamp += 1
logg.info('intialized at block {} timestamp {} period {} demurrage level {} sink address {} (first address in keystore)'.format(
self.last_block,
@ -94,14 +99,18 @@ class DemurrageTokenSimulation:
)
)
self.eth_helper.disable_auto_mine_transactions()
self.caller_contract = DemurrageToken(self.chain_spec)
def mint(self, recipient, value):
nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=self.gas_oracle)
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], recipient, value)
self.rpc.do(o)
logg.info('tx hash {}'.format(tx_hash))
return tx_hash
@ -114,24 +123,69 @@ class DemurrageTokenSimulation:
def balance(self, holder):
o = self.caller_contract.balance_of(self.address, holder, sender_address=self.accounts[0])
#o = self.caller_contract.balance_of(self.address, holder, sender_address=self.accounts[0])
c = DemurrageToken(self.chain_spec)
o = c.balance_of(self.address, holder, sender_address=self.accounts[0])
r = self.rpc.do(o)
return self.caller_contract.parse_balance_of(r)
def next(self):
self.last_timestamp += self.period_seconds
target_timestamp = self.period * self.period_seconds
self.last_timestamp = target_timestamp
self.eth_helper.mine_block()
self.eth_helper.time_travel(self.last_timestamp)
self.last_block += 1
self.last_timestamp += 1
o = block_by_number(self.last_block)
r = self.rpc.do(o)
self.last_block = r['number']
block_base = self.last_block
for tx_hash in r['transactions']:
o = receipt(tx_hash)
rcpt = self.rpc.do(o)
if rcpt['status'] == 0:
raise RuntimeError('tx {} (block {} index {}) failed'.format(tx_hash, self.last_block, rcpt['transaction_index']))
logg.debug('tx {} (block {} index {}) verified'.format(tx_hash, self.last_block, rcpt['transaction_index']))
logg.info('tx {} (block {} index {}) verified'.format(tx_hash, self.last_block, rcpt['transaction_index']))
#self.eth_helper.time_travel(self.start_timestamp + self.last_timestamp)
nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=self.gas_oracle)
(tx_hash, o) = c.apply_demurrage(self.address, self.accounts[0])
self.rpc.do(o)
#self.eth_helper.time_travel(self.start_timestamp + self.last_timestamp + 9)
self.eth_helper.mine_block()
self.last_block += 1
(tx_hash, o) = c.change_period(self.address, self.accounts[0])
self.rpc.do(o)
#self.eth_helper.time_travel(self.start_timestamp + self.last_timestamp + 10)
self.eth_helper.mine_block()
self.last_block += 1
o = block_by_number(self.last_block)
r = self.rpc.do(o)
for tx_hash in r['transactions']:
o = receipt(tx_hash)
rcpt = self.rpc.do(o)
if rcpt['status'] == 0:
raise RuntimeError('demurrage step failed on block {}'.format(self.last_block))
# while True:
# self.eth_helper.mine_block()
# o = block_latest()
# r = self.rpc.do(o)
# self.last_block = r
#
# o = block_by_number(r, include_tx=False)
# r = self.rpc.do(o)
# self.last_block =r['number']
# if r['timestamp'] == target_timestamp:
# break
self.last_timestamp += self.last_block - block_base
self.period += 1
return (self.last_block, self.last_timestamp)

18
python/tests/sim/tests_sim.py
View File

@ -9,7 +9,7 @@ from chainlib.chain import ChainSpec
from erc20_demurrage_token import DemurrageTokenSettings
from erc20_demurrage_token.sim import DemurrageTokenSimulation
logging.basicConfig(level=logging.DEBUG)
logging.basicConfig(level=logging.INFO)
logg = logging.getLogger()
@ -39,6 +39,22 @@ class TestSim(unittest.TestCase):
self.sim.mint(self.sim.actors[0], 1024)
self.sim.transfer(self.sim.actors[0], self.sim.actors[1], 500)
self.sim.next()
balance = self.sim.balance(self.sim.actors[0])
self.assertEqual(balance, 524)
balance = self.sim.balance(self.sim.actors[1])
self.assertEqual(balance, 500)
def test_more_periods(self):
self.sim.mint(self.sim.actors[0], 1024)
self.sim.next()
self.sim.mint(self.sim.actors[0], 1024)
self.sim.next()
balance = self.sim.balance(self.sim.actors[0])
self.assertEqual(balance, 2048)
if __name__ == '__main__':