Add transfer, mint, balance to sim
This commit is contained in:
nolash
parent
64621ca9b3
commit
e142dd0432
GPG Key ID:
21D2E7BB88C2A746
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@ -0,0 +1,2 @@
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[eth]
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provider=http://localhost:8545
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[session]
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chain_spec=
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[token]
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redistribution_period=10800
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demurrage_level=50
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supply_limit=0
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symbol=RDT
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name=Redistributed Demurraged Token
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decimals=6
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sink_address=
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@ -1,9 +1,23 @@
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# standard imports
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import logging
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# external imports
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from chainlib.eth.unittest.ethtester import create_tester_signer
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from chainlib.eth.unittest.base import TestRPCConnection
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from chainlib.eth.tx import receipt
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from chainlib.eth.tx import (
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receipt,
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Tx,
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)
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from chainlib.eth.nonce import RPCNonceOracle
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from chainlib.eth.gas import (
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OverrideGasOracle,
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Gas,
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)
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from chainlib.eth.address import to_checksum_address
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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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from crypto_dev_signer.keystore.dict import DictKeystore
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from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
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from hexathon import (
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@ -14,14 +28,19 @@ from hexathon import (
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# local imports
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from erc20_demurrage_token import DemurrageToken
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logg = logging.getLogger(__name__)
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class DemurrageTokenSimulation:
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def __init__(self, chain_spec, settings, redistribute=True, cap=0):
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def __init__(self, chain_spec, settings, redistribute=True, cap=0, actors=1):
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self.chain_spec = chain_spec
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self.accounts = []
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self.keystore = DictKeystore()
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self.signer = EIP155Signer(self.keystore)
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self.eth_helper = create_tester_signer(self.keystore)
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self.eth_backend = self.eth_helper.backend
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self.gas_oracle = OverrideGasOracle(limit=100000, price=1)
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self.rpc = TestRPCConnection(None, self.eth_helper, self.signer)
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for a in self.keystore.list():
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self.accounts.append(add_0x(to_checksum_address(a)))
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@ -36,3 +55,83 @@ class DemurrageTokenSimulation:
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if (r['status'] != 1):
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raise RuntimeError('contract deployment failed')
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self.address = r['contract_address']
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self.period_seconds = settings.period_minutes * 60
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o = block_latest()
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r = self.rpc.do(o)
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self.last_block = r
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o = block_by_number(r)
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r = self.rpc.do(o)
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self.last_timestamp = r['timestamp']
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self.actors = []
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for i in range(actors):
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idx = i % 10
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address = self.keystore.new()
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self.actors.append(address)
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self.accounts.append(address)
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nonce_oracle = RPCNonceOracle(self.accounts[idx], conn=self.rpc)
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c = Gas(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=self.gas_oracle)
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(tx_hash, o) = c.create(self.accounts[idx], address, 100000 * 1000000)
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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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if r['status'] != 1:
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raise RuntimeError('failed gas transfer to account #{}: {} from {}'.format(i, address, self.accounts[idx]))
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logg.debug('added actor account #{}: {}'.format(i, address))
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self.eth_helper.disable_auto_mine_transactions()
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logg.info('intialized at block {} timestamp {} period {} demurrage level {} sink address {} (first address in keystore)'.format(
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self.last_block,
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self.last_timestamp,
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settings.period_minutes,
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settings.demurrage_level,
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settings.sink_address,
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)
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)
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self.caller_contract = DemurrageToken(self.chain_spec)
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def mint(self, recipient, value):
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nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=self.gas_oracle)
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(tx_hash, o) = c.mint_to(self.address, self.accounts[0], recipient, value)
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self.rpc.do(o)
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return tx_hash
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def transfer(self, sender, recipient, value):
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nonce_oracle = RPCNonceOracle(sender, conn=self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=self.gas_oracle)
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(tx_hash, o) = c.transfer(self.address, sender, recipient, value)
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self.rpc.do(o)
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return tx_hash
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def balance(self, holder):
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o = self.caller_contract.balance_of(self.address, holder, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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return self.caller_contract.parse_balance_of(r)
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def next(self):
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self.last_timestamp += self.period_seconds
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self.eth_helper.mine_block()
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self.eth_helper.time_travel(self.last_timestamp)
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self.last_block += 1
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o = block_by_number(self.last_block)
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r = self.rpc.do(o)
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for tx_hash in r['transactions']:
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o = receipt(tx_hash)
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rcpt = self.rpc.do(o)
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if rcpt['status'] == 0:
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raise RuntimeError('tx {} (block {} index {}) failed'.format(tx_hash, self.last_block, rcpt['transaction_index']))
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logg.debug('tx {} (block {} index {}) verified'.format(tx_hash, self.last_block, rcpt['transaction_index']))
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return (self.last_block, self.last_timestamp)
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@ -9,6 +9,7 @@ from chainlib.chain import ChainSpec
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from erc20_demurrage_token import DemurrageTokenSettings
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from erc20_demurrage_token.sim import DemurrageTokenSimulation
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logging.basicConfig(level=logging.DEBUG)
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logg = logging.getLogger()
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@ -16,18 +17,29 @@ class TestSim(unittest.TestCase):
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def setUp(self):
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self.chain_spec = ChainSpec('evm', 'foochain', 42)
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self.cap = 1000000000
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#self.cap = 1000000000
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self.cap = 0
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settings = DemurrageTokenSettings()
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settings.name = 'Simulated Demurrage Token'
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settings.symbol = 'SIM'
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settings.decimals = 6
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settings.demurrage_level = 50
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settings.period_minutes = 10800
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self.sim = DemurrageTokenSimulation(self.chain_spec, settings, redistribute=True, cap=self.cap)
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self.sim = DemurrageTokenSimulation(self.chain_spec, settings, redistribute=True, cap=self.cap, actors=10)
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def test_hello(self):
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pass
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def test_mint(self):
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self.sim.mint(self.sim.actors[0], 1024)
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self.sim.next()
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balance = self.sim.balance(self.sim.actors[0])
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self.assertEqual(balance, 1024)
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def test_transfer(self):
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self.sim.mint(self.sim.actors[0], 1024)
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self.sim.transfer(self.sim.actors[0], self.sim.actors[1], 500)
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self.sim.next()
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if __name__ == '__main__':
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unittest.main()
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