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nucypher/tests/metrics/estimate_gas.py

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#!/usr/bin/env python3
"""
This file is part of nucypher.
nucypher is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
nucypher is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with nucypher. If not, see <https://www.gnu.org/licenses/>.
"""
import json
from os.path import abspath, dirname
import io
import os
import re
import tabulate
import time
from twisted.logger import ILogObserver, globalLogPublisher, jsonFileLogObserver
from umbral import SecretKey, Signer
from web3.contract import Contract
from nucypher.blockchain.eth.registry import InMemoryContractRegistry
from nucypher.blockchain.eth.signers.software import Web3Signer
from nucypher.crypto.powers import TransactingPower
from unittest.mock import Mock
from zope.interface import provider
from nucypher.blockchain.economics import StandardTokenEconomics
from nucypher.blockchain.eth.agents import (
AdjudicatorAgent,
NucypherTokenAgent,
PolicyManagerAgent,
StakingEscrowAgent
)
from nucypher.blockchain.eth.constants import NUCYPHER_CONTRACT_NAMES, NULL_ADDRESS
from nucypher.crypto.signing import SignatureStamp
from nucypher.exceptions import DevelopmentInstallationRequired
from nucypher.policy.policies import Policy
from nucypher.utilities.logging import Logger
from tests.utils.blockchain import TesterBlockchain
ALGORITHM_SHA256 = 1
TOKEN_ECONOMICS = StandardTokenEconomics()
MIN_ALLOWED_LOCKED = TOKEN_ECONOMICS.minimum_allowed_locked
LOCKED_PERIODS = 30
MAX_ALLOWED_LOCKED = TOKEN_ECONOMICS.maximum_allowed_locked
MAX_MINTING_PERIODS = TOKEN_ECONOMICS.maximum_rewarded_periods
class AnalyzeGas:
"""
Callable twisted log observer with built-in record-keeping for gas estimation runs.
"""
# Logging
LOG_NAME = 'estimate-gas'
LOG_FILENAME = '{}.log.json'.format(LOG_NAME)
OUTPUT_DIR = os.path.join(abspath(dirname(__file__)), 'results')
JSON_OUTPUT_FILENAME = '{}.json'.format(LOG_NAME)
_PATTERN = re.compile(r'''
^ # Anchor at the start of a string
(.+) # Any character sequence longer than 1; Captured
\s=\s # Space-Equal-Space
(\d+) # A sequence of digits; Captured
\s\|\s # Space-Slash-Space
(\d+) # A sequence of digits; Captured
$ # Anchor at the end of the string
''', re.VERBOSE)
def __init__(self) -> None:
self.log = Logger(self.__class__.__name__)
self.gas_estimations = dict()
if not os.path.isdir(self.OUTPUT_DIR):
os.mkdir(self.OUTPUT_DIR)
@provider(ILogObserver)
def __call__(self, event, *args, **kwargs) -> None:
if event.get('log_namespace') == self.LOG_NAME:
message = event.get("log_format")
matches = self._PATTERN.match(message)
if not matches:
self.log.debug("No match for {} with pattern {}".format(message, self._PATTERN))
return
label, estimates, gas_used = matches.groups()
self.paint_line(label, estimates, gas_used)
self.gas_estimations[label] = int(gas_used)
@staticmethod
def paint_line(label: str, estimates: str, gas_used: str) -> None:
print('{label} {estimates:7,} | {gas:7,}'.format(
label=label.ljust(72, '.'), estimates=int(estimates), gas=int(gas_used)))
def to_json_file(self) -> None:
print('Saving JSON Output...')
epoch_time = str(int(time.time()))
timestamped_filename = '{}-{}'.format(epoch_time, self.JSON_OUTPUT_FILENAME)
filepath = os.path.join(self.OUTPUT_DIR, timestamped_filename)
with open(filepath, 'w') as file:
file.write(json.dumps(self.gas_estimations, indent=4))
def start_collection(self) -> None:
print("Starting Data Collection...")
json_filepath = os.path.join(self.OUTPUT_DIR, AnalyzeGas.LOG_FILENAME)
json_io = io.open(json_filepath, "w")
json_observer = jsonFileLogObserver(json_io)
globalLogPublisher.addObserver(json_observer)
globalLogPublisher.addObserver(self)
def mock_ursula(testerchain, account):
ursula_privkey = SecretKey.random()
ursula_stamp = SignatureStamp(verifying_key=ursula_privkey.public_key(),
signer=Signer(ursula_privkey))
signed_stamp = testerchain.client.sign_message(account=account,
message=bytes(ursula_stamp))
ursula = Mock(stamp=ursula_stamp, decentralized_identity_evidence=signed_stamp)
return ursula
def estimate_gas(analyzer: AnalyzeGas = None) -> None:
"""
Execute a linear sequence of NyCypher transactions mimicking
post-deployment usage on a local PyEVM blockchain;
Record the resulting estimated transaction gas expenditure.
Note: The function calls below are *order dependant*
"""
#
# Setup
#
if analyzer is None:
analyzer = AnalyzeGas()
log = Logger(AnalyzeGas.LOG_NAME)
os.environ['GAS_ESTIMATOR_BACKEND_FUNC'] = 'eth.estimators.gas.binary_gas_search_exact'
# Blockchain
economics = StandardTokenEconomics(
base_penalty=MIN_ALLOWED_LOCKED - 1,
penalty_history_coefficient=0,
percentage_penalty_coefficient=2,
reward_coefficient=2
)
testerchain, registry = TesterBlockchain.bootstrap_network(economics=economics)
web3 = testerchain.w3
print("\n********* SIZE OF MAIN CONTRACTS *********")
MAX_SIZE = 24576
rows = list()
for contract_name in NUCYPHER_CONTRACT_NAMES:
compiled_contract = testerchain._raw_contract_cache[contract_name]
version = list(compiled_contract).pop()
# FIXME this value includes constructor code size but should not
bin_runtime = compiled_contract[version]['evm']['bytecode']['object']
bin_length_in_bytes = len(bin_runtime) // 2
percentage = int(100 * bin_length_in_bytes / MAX_SIZE)
bar = ('*'*(percentage//2)).ljust(50)
rows.append((contract_name, bin_length_in_bytes, f'{bar} {percentage}%'))
headers = ('Contract', 'Size (B)', f'% of max allowed contract size ({MAX_SIZE} B)')
print(tabulate.tabulate(rows, headers=headers, tablefmt="simple"), end="\n\n")
# Accounts
origin, staker1, staker2, staker3, staker4, alice1, alice2, *everyone_else = testerchain.client.accounts
ursula_with_stamp = mock_ursula(testerchain, staker1)
# Contracts
token_agent = NucypherTokenAgent(registry=registry)
staking_agent = StakingEscrowAgent(registry=registry)
policy_agent = PolicyManagerAgent(registry=registry)
adjudicator_agent = AdjudicatorAgent(registry=registry)
# Contract Callers
token_functions = token_agent.contract.functions
staker_functions = staking_agent.contract.functions
policy_functions = policy_agent.contract.functions
adjudicator_functions = adjudicator_agent.contract.functions
analyzer.start_collection()
print("********* Estimating Gas *********")
def transact_and_log(label, function, transaction):
estimates = function.estimateGas(transaction)
transaction.update(gas=estimates)
tx = function.transact(transaction)
receipt = testerchain.wait_for_receipt(tx)
log.info(f"{label} = {estimates} | {receipt['gasUsed']}")
def transact(function, transaction):
transaction.update(gas=1000000)
tx = function.transact(transaction)
testerchain.wait_for_receipt(tx)
# First deposit ever is the most expensive, make it to remove unusual gas spending
transact(token_functions.approve(staking_agent.contract_address, MIN_ALLOWED_LOCKED * 10), {'from': origin})
transact(staker_functions.deposit(everyone_else[0], MIN_ALLOWED_LOCKED, LOCKED_PERIODS), {'from': origin})
testerchain.time_travel(periods=1)
#
# Give Ursula and Alice some coins
#
transact_and_log("Transfer tokens", token_functions.transfer(staker1, MIN_ALLOWED_LOCKED * 10), {'from': origin})
transact(token_functions.transfer(staker2, MIN_ALLOWED_LOCKED * 10), {'from': origin})
transact(token_functions.transfer(staker3, MIN_ALLOWED_LOCKED * 10), {'from': origin})
#
# Ursula and Alice give Escrow rights to transfer
#
transact_and_log("Approving transfer",
token_functions.approve(staking_agent.contract_address, MIN_ALLOWED_LOCKED * 7),
{'from': staker1})
transact(token_functions.approve(staking_agent.contract_address, MIN_ALLOWED_LOCKED * 6), {'from': staker2})
transact(token_functions.approve(staking_agent.contract_address, MIN_ALLOWED_LOCKED * 6), {'from': staker3})
#
# Ursula and Alice transfer some tokens to the escrow and lock them
#
transact_and_log("Initial deposit tokens, first",
staker_functions.deposit(staker1, MIN_ALLOWED_LOCKED * 3, LOCKED_PERIODS),
{'from': staker1})
transact_and_log("Initial deposit tokens, other",
staker_functions.deposit(staker2, MIN_ALLOWED_LOCKED * 3, LOCKED_PERIODS),
{'from': staker2})
transact(staker_functions.deposit(staker3, MIN_ALLOWED_LOCKED * 3, LOCKED_PERIODS), {'from': staker3})
transact(staker_functions.bondWorker(staker1), {'from': staker1})
transact(staker_functions.bondWorker(staker2), {'from': staker2})
transact(staker_functions.bondWorker(staker3), {'from': staker3})
transact(staker_functions.setReStake(False), {'from': staker1})
transact(staker_functions.setReStake(False), {'from': staker2})
transact(staker_functions.setWindDown(True), {'from': staker1})
transact(staker_functions.setWindDown(True), {'from': staker2})
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
transact(staker_functions.commitToNextPeriod(), {'from': staker2})
#
# Wait 1 period and make a commitment
#
testerchain.time_travel(periods=1)
transact_and_log("Make a commitment, first", staker_functions.commitToNextPeriod(), {'from': staker1})
transact_and_log("Make a commitment, other", staker_functions.commitToNextPeriod(), {'from': staker2})
#
# Wait 1 period and mint tokens
#
testerchain.time_travel(periods=1)
transact_and_log("Minting (1 stake), first", staker_functions.mint(), {'from': staker1})
transact_and_log("Minting (1 stake), other", staker_functions.mint(), {'from': staker2})
transact_and_log("Make a commitment again, first", staker_functions.commitToNextPeriod(), {'from': staker1})
transact_and_log("Make a commitment again, other", staker_functions.commitToNextPeriod(), {'from': staker2})
transact(staker_functions.commitToNextPeriod(), {'from': staker3})
#
# Commit again
#
testerchain.time_travel(periods=1)
transact_and_log("Make a commitment + mint, first", staker_functions.commitToNextPeriod(), {'from': staker1})
transact_and_log("Make a commitment + mint, other", staker_functions.commitToNextPeriod(), {'from': staker2})
#
# Create policy
#
policy_id_1 = os.urandom(int(Policy.POLICY_ID_LENGTH))
policy_id_2 = os.urandom(int(Policy.POLICY_ID_LENGTH))
number_of_periods = 10
rate = 100
one_period = economics.hours_per_period * 60 * 60
value = number_of_periods * rate
current_timestamp = testerchain.w3.eth.getBlock('latest').timestamp
end_timestamp = current_timestamp + (number_of_periods - 1) * one_period
transact_and_log("Creating policy (1 node, 10 periods, pre-committed), first",
policy_functions.createPolicy(policy_id_1, alice1, end_timestamp, [staker1]),
{'from': alice1, 'value': value})
transact_and_log("Creating policy (1 node, 10 periods, pre-committed), other",
policy_functions.createPolicy(policy_id_2, alice1, end_timestamp, [staker1]),
{'from': alice1, 'value': value})
#
# Get locked tokens
#
transact_and_log("Getting locked tokens", staker_functions.getLockedTokens(staker1, 0), {})
#
# Wait 1 period and withdraw tokens
#
testerchain.time_travel(periods=1)
transact_and_log("Withdraw", staker_functions.withdraw(1), {'from': staker1})
#
# Make a commitment with re-stake
#
transact(staker_functions.setReStake(True), {'from': staker1})
transact(staker_functions.setReStake(True), {'from': staker2})
# Used to remove spending for first call in a period for mint and commitToNextPeriod
transact(staker_functions.commitToNextPeriod(), {'from': staker3})
transact_and_log("Make a commitment + mint + re-stake",
staker_functions.commitToNextPeriod(),
{'from': staker2})
transact_and_log("Make a commitment + mint + re-stake + first fee + first fee rate",
staker_functions.commitToNextPeriod(),
{'from': staker1})
transact(staker_functions.setReStake(False), {'from': staker1})
transact(staker_functions.setReStake(False), {'from': staker2})
#
# Wait 2 periods and make a commitment after downtime
#
testerchain.time_travel(periods=2)
transact(staker_functions.commitToNextPeriod(), {'from': staker3})
transact_and_log("Make a commitment after downtime", staker_functions.commitToNextPeriod(), {'from': staker2})
transact_and_log("Make a commitment after downtime + updating fee",
staker_functions.commitToNextPeriod(),
{'from': staker1})
#
# Ursula and Alice deposit some tokens to the escrow again
#
transact_and_log("Deposit tokens after making a commitment",
staker_functions.deposit(staker1, MIN_ALLOWED_LOCKED * 2, LOCKED_PERIODS),
{'from': staker1})
transact(staker_functions.deposit(staker2, MIN_ALLOWED_LOCKED * 2, LOCKED_PERIODS), {'from': staker2})
#
# Revoke policy
#
transact_and_log("Revoking policy", policy_functions.revokePolicy(policy_id_1), {'from': alice1})
#
# Wait 1 period
#
testerchain.time_travel(periods=1)
#
# Create policy with multiple pre-committed nodes
#
policy_id_1 = os.urandom(int(Policy.POLICY_ID_LENGTH))
policy_id_2 = os.urandom(int(Policy.POLICY_ID_LENGTH))
policy_id_3 = os.urandom(int(Policy.POLICY_ID_LENGTH))
number_of_periods = 100
value = 3 * number_of_periods * rate
current_timestamp = testerchain.w3.eth.getBlock('latest').timestamp
end_timestamp = current_timestamp + (number_of_periods - 1) * one_period
transact_and_log("Creating policy (3 nodes, 100 periods, pre-committed), first",
policy_functions.createPolicy(policy_id_1, alice1, end_timestamp, [staker1, staker2, staker3]),
{'from': alice1, 'value': value})
transact_and_log("Creating policy (3 nodes, 100 periods, pre-committed), other",
policy_functions.createPolicy(policy_id_2, alice1, end_timestamp, [staker1, staker2, staker3]),
{'from': alice1, 'value': value})
value = 2 * number_of_periods * rate
transact_and_log("Creating policy (2 nodes, 100 periods, pre-committed), other",
policy_functions.createPolicy(policy_id_3, alice1, end_timestamp, [staker1, staker2]),
{'from': alice1, 'value': value})
#
# Wait 1 period and mint tokens
#
testerchain.time_travel(periods=1)
transact(staker_functions.mint(), {'from': staker3})
transact_and_log("Last minting + updating fee + updating fee rate", staker_functions.mint(), {'from': staker1})
transact_and_log("Last minting + first fee + first fee rate", staker_functions.mint(), {'from': staker2})
#
# Create policy again without pre-committed nodes
#
policy_id_1 = os.urandom(int(Policy.POLICY_ID_LENGTH))
policy_id_2 = os.urandom(int(Policy.POLICY_ID_LENGTH))
policy_id_3 = os.urandom(int(Policy.POLICY_ID_LENGTH))
number_of_periods = 100
value = number_of_periods * rate
current_timestamp = testerchain.w3.eth.getBlock('latest').timestamp
end_timestamp = current_timestamp + (number_of_periods - 1) * one_period
transact_and_log("Creating policy (1 node, 100 periods)",
policy_functions.createPolicy(policy_id_1, alice2, end_timestamp, [staker2]),
{'from': alice1, 'value': value})
testerchain.time_travel(periods=1)
current_timestamp = testerchain.w3.eth.getBlock('latest').timestamp
end_timestamp = current_timestamp + (number_of_periods - 1) * one_period
transact_and_log("Creating policy (1 node, 100 periods), next period",
policy_functions.createPolicy(policy_id_2, alice2, end_timestamp, [staker2]),
{'from': alice1, 'value': value})
transact_and_log("Creating policy (1 node, 100 periods), another node",
policy_functions.createPolicy(policy_id_3, alice2, end_timestamp, [staker1]),
{'from': alice1, 'value': value})
#
# Mint and revoke policy
#
testerchain.time_travel(periods=10)
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
transact(staker_functions.commitToNextPeriod(), {'from': staker3})
testerchain.time_travel(periods=2)
transact(staker_functions.mint(), {'from': staker3})
transact_and_log("Last minting after downtime + updating fee",
staker_functions.mint(),
{'from': staker1})
testerchain.time_travel(periods=10)
transact_and_log("Revoking policy after downtime, 1st policy",
policy_functions.revokePolicy(policy_id_1),
{'from': alice2})
transact_and_log("Revoking policy after downtime, 2nd policy",
policy_functions.revokePolicy(policy_id_2),
{'from': alice2})
transact_and_log("Revoking policy after downtime, 3rd policy",
policy_functions.revokePolicy(policy_id_3),
{'from': alice2})
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
transact(staker_functions.commitToNextPeriod(), {'from': staker2})
transact(staker_functions.commitToNextPeriod(), {'from': staker3})
testerchain.time_travel(periods=1)
#
# Batch granting
#
policy_id_1 = os.urandom(int(Policy.POLICY_ID_LENGTH))
policy_id_2 = os.urandom(int(Policy.POLICY_ID_LENGTH))
current_timestamp = testerchain.w3.eth.getBlock('latest').timestamp
end_timestamp = current_timestamp + (number_of_periods - 1) * one_period
value = 3 * number_of_periods * rate
transact_and_log("Creating 2 policies (3 nodes, 100 periods, pre-committed)",
policy_functions.createPolicies([policy_id_1, policy_id_2],
alice1,
end_timestamp,
[staker1, staker2, staker3]),
{'from': alice1, 'value': 2 * value})
for index in range(4):
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
testerchain.time_travel(periods=1)
transact(staker_functions.mint(), {'from': staker1})
#
# Check regular deposit
#
transact_and_log("Deposit tokens to new sub-stake",
staker_functions.deposit(staker1, MIN_ALLOWED_LOCKED, LOCKED_PERIODS),
{'from': staker1})
transact_and_log("Deposit tokens using existing sub-stake",
staker_functions.depositAndIncrease(0, MIN_ALLOWED_LOCKED),
{'from': staker1})
#
# ApproveAndCall
#
testerchain.time_travel(periods=1)
transact(staker_functions.mint(), {'from': staker1})
transact_and_log("ApproveAndCall",
token_functions.approveAndCall(staking_agent.contract_address,
MIN_ALLOWED_LOCKED * 2,
web3.toBytes(LOCKED_PERIODS)),
{'from': staker1})
#
# Locking tokens
#
testerchain.time_travel(periods=1)
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
transact_and_log("Locking tokens and creating new sub-stake",
staker_functions.lockAndCreate(MIN_ALLOWED_LOCKED, LOCKED_PERIODS),
{'from': staker1})
transact_and_log("Locking tokens using existing sub-stake",
staker_functions.lockAndIncrease(0, MIN_ALLOWED_LOCKED),
{'from': staker1})
#
# Divide stake
#
transact_and_log("Divide stake", staker_functions.divideStake(1, MIN_ALLOWED_LOCKED, 2), {'from': staker1})
transact(staker_functions.divideStake(3, MIN_ALLOWED_LOCKED, 2), {'from': staker1})
#
# Divide almost finished stake
#
testerchain.time_travel(periods=1)
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
testerchain.time_travel(periods=1)
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
testerchain.time_travel(periods=1)
for index in range(18):
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
testerchain.time_travel(periods=1)
transact(staker_functions.lockAndCreate(MIN_ALLOWED_LOCKED, LOCKED_PERIODS), {'from': staker1})
deposit = staker_functions.stakerInfo(staker1).call()[0]
unlocked = deposit - staker_functions.getLockedTokens(staker1, 1).call()
transact(staker_functions.withdraw(unlocked), {'from': staker1})
transact_and_log("Prolong stake", staker_functions.prolongStake(0, 20), {'from': staker1})
transact_and_log("Merge sub-stakes", staker_functions.mergeStake(2, 3), {'from': staker1})
# Large number of sub-stakes
number_of_sub_stakes = 24
transact(token_functions.approve(staking_agent.contract_address, 0), {'from': origin})
transact(token_functions.approve(staking_agent.contract_address, MIN_ALLOWED_LOCKED * number_of_sub_stakes),
{'from': origin})
for i in range(number_of_sub_stakes):
transact(staker_functions.deposit(staker4, MIN_ALLOWED_LOCKED, LOCKED_PERIODS),
{'from': origin})
transact(staker_functions.bondWorker(staker4), {'from': staker4})
transact(staker_functions.setWindDown(True), {'from': staker4})
# Used to remove spending for first call in a period for mint and commitToNextPeriod
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
transact_and_log(f"Make a commitment ({number_of_sub_stakes} sub-stakes)",
staker_functions.commitToNextPeriod(),
{'from': staker4})
testerchain.time_travel(periods=1)
transact(staker_functions.commitToNextPeriod(), {'from': staker4})
testerchain.time_travel(periods=1)
# Used to remove spending for first call in a period for mint and commitToNextPeriod
transact(staker_functions.commitToNextPeriod(), {'from': staker1})
transact_and_log(f"Make a commitment + mint + re-stake ({number_of_sub_stakes} sub-stakes)",
staker_functions.commitToNextPeriod(),
{'from': staker4})
print("********* Estimates of migration *********")
registry = InMemoryContractRegistry()
deployer_power = TransactingPower(signer=Web3Signer(testerchain.client),
account=testerchain.etherbase_account)
def deploy_contract(contract_name, *args, **kwargs):
return testerchain.deploy_contract(deployer_power,
registry,
contract_name,
*args,
**kwargs)
token_economics = StandardTokenEconomics(genesis_hours_per_period=StandardTokenEconomics._default_hours_per_period,
hours_per_period=2 * StandardTokenEconomics._default_hours_per_period)
token, _ = deploy_contract('NuCypherToken', _totalSupplyOfTokens=token_economics.erc20_total_supply)
# Deploy Adjudicator mock
adjudicator, _ = deploy_contract('AdjudicatorForStakingEscrowMock', token_economics.reward_coefficient)
# Deploy old StakingEscrow contract
deploy_args = token_economics.staking_deployment_parameters
deploy_args = (deploy_args[0], *deploy_args[2:])
escrow_old_library, _ = deploy_contract(
'StakingEscrowOld',
token.address,
*deploy_args,
False # testContract
)
escrow_dispatcher, _ = deploy_contract('Dispatcher', escrow_old_library.address)
escrow = testerchain.client.get_contract(
abi=escrow_old_library.abi,
address=escrow_dispatcher.address,
ContractFactoryClass=Contract)
# Deploy old PolicyManager contract
policy_manager_old_library, _ = deploy_contract(contract_name='PolicyManagerOld', _escrow=escrow.address)
policy_manager_dispatcher, _ = deploy_contract('Dispatcher', policy_manager_old_library.address)
policy_manager = testerchain.client.get_contract(
abi=policy_manager_old_library.abi,
address=policy_manager_dispatcher.address,
ContractFactoryClass=Contract)
tx = adjudicator.functions.setStakingEscrow(escrow.address).transact()
testerchain.wait_for_receipt(tx)
tx = escrow.functions.setPolicyManager(policy_manager.address).transact()
testerchain.wait_for_receipt(tx)
tx = escrow.functions.setAdjudicator(adjudicator.address).transact()
testerchain.wait_for_receipt(tx)
# Initialize Escrow contract
tx = token.functions.approve(escrow.address, token_economics.erc20_reward_supply).transact()
testerchain.wait_for_receipt(tx)
tx = escrow.functions.initialize(token_economics.erc20_reward_supply, testerchain.etherbase_account).transact()
testerchain.wait_for_receipt(tx)
# Prepare stakers
stakers = (staker1, staker2, staker3, staker4)
for staker in stakers:
max_stake_size = token_economics.maximum_allowed_locked
tx = token.functions.transfer(staker, max_stake_size).transact()
testerchain.wait_for_receipt(tx)
tx = token.functions.approve(escrow.address, max_stake_size).transact({'from': staker})
testerchain.wait_for_receipt(tx)
sub_stakes_1 = 2
duration = token_economics.minimum_locked_periods
stake_size = token_economics.minimum_allowed_locked
for staker in (staker1, staker3):
for i in range(1, sub_stakes_1 + 1):
tx = escrow.functions.deposit(staker, stake_size, duration * i).transact({'from': staker})
testerchain.wait_for_receipt(tx)
sub_stakes_2 = 24
for staker in (staker2, staker4):
for i in range(1, sub_stakes_2 + 1):
tx = escrow.functions.deposit(staker, stake_size, duration * i).transact({'from': staker})
testerchain.wait_for_receipt(tx)
for staker in stakers:
tx = escrow.functions.bondWorker(staker).transact({'from': staker})
testerchain.wait_for_receipt(tx)
for i in range(duration):
tx = escrow.functions.commitToNextPeriod().transact({'from': staker1})
testerchain.wait_for_receipt(tx)
tx = escrow.functions.commitToNextPeriod().transact({'from': staker3})
testerchain.wait_for_receipt(tx)
if i % 2 == 0:
tx = escrow.functions.commitToNextPeriod().transact({'from': staker2})
testerchain.wait_for_receipt(tx)
tx = escrow.functions.commitToNextPeriod().transact({'from': staker4})
testerchain.wait_for_receipt(tx)
testerchain.time_travel(periods=1, periods_base=token_economics.genesis_seconds_per_period)
##########
# Deploy new version of contracts
##########
deploy_args = token_economics.staking_deployment_parameters
escrow_library, _ = deploy_contract(
'StakingEscrow',
token.address,
policy_manager.address,
adjudicator.address,
NULL_ADDRESS,
*deploy_args)
escrow = testerchain.client.get_contract(
abi=escrow_library.abi,
address=escrow_dispatcher.address,
ContractFactoryClass=Contract)
policy_manager_library, _ = deploy_contract(contract_name='PolicyManager',
_escrowDispatcher=escrow.address,
_escrowImplementation=escrow_library.address)
tx = escrow_dispatcher.functions.upgrade(escrow_library.address).transact()
testerchain.wait_for_receipt(tx)
tx = policy_manager_dispatcher.functions.upgrade(policy_manager_library.address).transact()
testerchain.wait_for_receipt(tx)
for staker in (staker1, staker2):
downtime_length = escrow.functions.getPastDowntimeLength(staker).call()
sub_stakes_length = escrow.functions.getSubStakesLength(staker).call()
transact_and_log(f"Migrate with {sub_stakes_length} sub-stakes and {downtime_length} downtimes",
escrow.functions.migrate(staker),
{'from': staker})
downtime_length = escrow.functions.getPastDowntimeLength(staker).call()
sub_stakes_length = escrow.functions.getSubStakesLength(staker).call()
transact_and_log(f"Commit after migration with {sub_stakes_length} sub-stakes and {downtime_length} downtimes",
escrow.functions.commitToNextPeriod(),
{'from': staker})
for staker in (staker3, staker4):
downtime_length = escrow.functions.getPastDowntimeLength(staker).call()
sub_stakes_length = escrow.functions.getSubStakesLength(staker).call()
transact_and_log(
f"Commit together with migration with {sub_stakes_length} sub-stakes and {downtime_length} downtimes",
escrow.functions.commitToNextPeriod(),
{'from': staker})
transact_and_log(f"Dummy migrate call",
escrow.functions.migrate(staker1),
{'from': staker1})
print("********* All Done! *********")
if __name__ == "__main__":
print("Starting Up...")
analyzer = AnalyzeGas()
estimate_gas(analyzer=analyzer)
analyzer.to_json_file()
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