def _convert_balance_to_wad(self, balance: dict, decimals: int) -> dict:
wei_balance = float(balance['wei'])
pending_balance = float(balance['pendingWei'])
## DyDx can have negative balances from native margin trading
is_negative = False
if wei_balance < 0:
is_negative = True
converted_balance = from_wei(abs(int(wei_balance)), 'ether')
converted_pending_balance = from_wei(abs(int(pending_balance)),
'ether')
if decimals == 6:
converted_balance = from_wei(abs(int(wei_balance)), 'mwei')
converted_pending_balance = from_wei(abs(int(pending_balance)),
'mwei')
# reconvert Wad to negative value if balance is negative
if is_negative == True:
converted_balance = converted_balance * -1
# Handle the edge case where orders are filled but balance change is still pending
if converted_balance > 0:
balance['wad'] = Wad.from_number(
converted_balance) - Wad.from_number(converted_pending_balance)
else:
balance['wad'] = Wad.from_number(
converted_balance) + Wad.from_number(converted_pending_balance)
return balance
def deploy_crowdsale_from_file(project: Project, yaml_filename: str,
deployment_name: str, deploy_address: str):
"""Deploy crowdsale plan."""
chain_data = load_crowdsale_definitions(yaml_filename, deployment_name)
chain_name = chain_data["chain"]
address = deploy_address
with project.get_chain(chain_name) as chain:
web3 = chain.web3
print("Web3 provider is", web3.currentProvider)
print("Owner address is", address)
start_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Owner balance is", start_balance, "ETH")
runtime_data, statistics, contracts = deploy_crowdsale(
project, chain, chain_data, deploy_address)
perform_post_actions(chain, runtime_data, contracts)
perform_verify_actions(chain, runtime_data, contracts)
write_deployment_report(yaml_filename, runtime_data)
end_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Deployment cost is", start_balance - end_balance, "ETH")
return runtime_data, statistics, contracts
def ProcessEpoch(block_number):
block = getBlock(block_number)
epoch_number, e, created = createEpoch(block_number, block)
log.info('Processing Epoch #{0}'.format(int(epoch_number)))
rewards = getRewardsByHash(to_hex(block.hash))
if rewards is None:
return None
if not 'rewards' in rewards:
return None
signer_checksum = 0
reward_checksum = 0
for candidate in rewards['signers']:
candidate = rpc.toChecksumAddress(candidate)
validator, created = createAccount(candidate, True, block_number)
signer_reward = from_wei(
rewards['signers'][candidate.lower()]['reward'], 'ether')
signer, created = Signers.objects.get_or_create(
account=validator,
epoch=e,
defaults={
'account': validator,
'epoch': e,
'sign': rewards['signers'][candidate.lower()]['sign'],
'awarded': e.timestamp,
'amount': signer_reward,
})
if created:
signer.save()
for account in rewards['rewards'][candidate.lower()]:
account = rpc.toChecksumAddress(account)
voter, created = createAccount(account, False, block_number)
reward_amount = from_wei(
rewards['rewards'][candidate.lower()][account.lower()],
'ether')
r, created = Reward.objects.get_or_create(
account=voter,
epoch=e,
candidate=validator,
defaults={
'account':
voter,
'epoch':
e,
'candidate':
validator,
'awarded':
pytz.utc.localize(
datetime.fromtimestamp(float(block.timestamp))),
'amount':
reward_amount,
})
reward_checksum += reward_amount
if created:
r.save()
def populate_tweet_text_from_market(market, tweet_text, decorations):
market_title = market["name"]
market_title = process_market_title(market_title)
market_type = market["type"]
market_slug = market["slug"]
market_url = VEIL_MARKET_URL + market_slug
market_channel = market["channel"]
# compose the tweet
tweet_text.append("\"")
tweet_text.append(market_title)
tweet_text.append("\"")
# scalar work
if (market_type == "scalar"):
market_denomination = market["denomination"]
# format correctly for USD denomination
market_min_price = market["min_price"]
market_min_price = str(from_wei(int(market_min_price), 'ether'))
if (market_denomination == "USD"):
market_min_price = "{:,.2f}".format(float(market_min_price))
market_max_price = market["max_price"]
market_max_price = str(from_wei(int(market_max_price), 'ether'))
if (market_denomination == "USD"):
market_max_price = "{:,.2f}".format(float(market_max_price))
tweet_text.append(" (")
tweet_text.append(str(market_min_price))
tweet_text.append(" ")
tweet_text.append(market_denomination)
tweet_text.append(" - ")
tweet_text.append(str(market_max_price))
tweet_text.append(" ")
tweet_text.append(market_denomination)
tweet_text.append(")")
tweet_text.append(" ")
tweet_text.append(market_url)
# append channel as a hashtag if possible
if (market_channel != None):
tweet_text.append(" #")
tweet_text.append(market_channel)
if (market_channel in decorations):
# append this channel's emoji decoration
tweet_text.append(" ")
tweet_text.append(decorations[market_channel])
def main(chain, address, csv_file):
"""Extract crowdsale invested events.
This is useful for RelaunchCrowdsale to rebuild the data.
"""
project = Project()
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.currentProvider)
# Sanity check
print("Block number is", web3.eth.blockNumber)
Crowdsale = c.provider.get_contract_factory(
'MintedTokenCappedCrowdsale')
crowdsale = Crowdsale(address=address)
print("Total amount raised is",
from_wei(crowdsale.call().weiRaised(), "ether"), "ether")
print("Getting events")
events = crowdsale.pastEvents("Invested").get(only_changes=False)
print("Writing results to", csv_file)
with open(csv_file, 'w', newline='') as out:
writer = csv.writer(out)
writer.writerow([
"Address", "Payment at", "Tx hash", "Tx index", "Invested ETH",
"Received tokens"
])
for e in events:
timestamp = web3.eth.getBlock(e["blockNumber"])["timestamp"]
dt = datetime.datetime.fromtimestamp(timestamp,
tz=datetime.timezone.utc)
writer.writerow([
address,
dt.isoformat(),
e["transactionHash"],
e["transactionIndex"],
from_wei(e["args"]["weiAmount"], "ether"),
e["args"]["tokenAmount"],
])
print("Total", len(events), "invest events")
print("All done! Enjoy your decentralized future.")
def payment_form_render(self, request: HttpRequest,
total: decimal.Decimal):
# this ensures that the form will pre-populate the transaction hash into the form.
if 'txhash' in request.GET:
request.session['payment_ethereum_txn_hash'] = request.GET.get(
'txhash')
if 'currency' in request.GET:
request.session[
'payment_ethereum_currency_type'] = request.GET.get('currency')
form = self.payment_form(request)
template = get_template('pretix_eth/checkout_payment_form.html')
ctx = {
'request':
request,
'form':
form,
'ETH_per_ticket':
from_wei(self._get_rates_from_api(total, 'ETH'), 'ether'),
'DAI_per_ticket':
self._get_rates_from_api(total, 'DAI'),
'ETH_address':
self.settings.get('ETH'),
'DAI_address':
self.settings.get('DAI'),
}
return template.render(ctx)
def test_buy_all(chain, web3, crowdsale, token, finalizer, start_time, end_time, team_multisig, customer, cap, founder_allocation):
"""Buy all tokens and finalize crowdsale."""
# Buy on first week
time_travel(chain, start_time + 1)
assert crowdsale.call().getState() == CrowdsaleState.Funding
# Buy all cap
wei_value = cap
print(from_wei(web3.eth.getBalance(customer), "ether"))
crowdsale.transact({"from": customer, "value": wei_value}).buy()
assert crowdsale.call().isCrowdsaleFull()
# Close the deal
time_travel(chain, end_time + 1)
assert crowdsale.call().getState() == CrowdsaleState.Success
crowdsale.transact({"from": team_multisig}).finalize()
assert crowdsale.call().getState() == CrowdsaleState.Finalized
# See that we counted bonus correctly
team_bonus = token.call().totalSupply() * 7 / 10
assert abs(finalizer.call().allocatedBonus() - team_bonus) < 10 # We lose some in decimal rounding
# Token is transferable
assert token.call().released()
def main(chain, address, token_address, csv_file, limit, start_from, vault_address, address_column, amount_column, duration_column, action, freeze_ends_at, tokens_to_be_allocated):
"""TokenVault control script.
1) Deploys a token vault contract
2) Reads in distribution data as CSV
3) Locks vault
"""
project = Project()
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.providers[0])
print("Owner address is", address)
print("Owner balance is", from_wei(web3.eth.getBalance(address), "ether"), "ETH")
# Goes through geth account unlock process if needed
if is_account_locked(web3, address):
request_account_unlock(c, address, timeout=3600*6)
assert not is_account_locked(web3, address)
Token = c.provider.get_base_contract_factory('FractionalERC20')
token = Token(address=token_address)
print("Total supply is", token.functions.totalSupply().call())
try:
decimals = token.functions.decimals().call()
except ValueError:
sys.exit("Token contract does not have support for decimal places, cannot work with it")
print("Token decimal places is", decimals)
assert decimals >= 0
if action == "deploy":
deploy(project, c, chain, web3, address, token, freeze_ends_at, tokens_to_be_allocated * (10**decimals))
print("TokenVault deployed.")
sys.exit(0)
elif action == "load":
if vault_address == None:
sys.exit("vault_address missing")
if address_column == None:
sys.exit("address_column missing")
if amount_column == None:
sys.exit("amount_column missing")
load(c, web3, address, csv_file, token, address_column, amount_column, duration_column, vault_address)
print("Data loaded to the vault.")
sys.exit(0)
elif action == "lock":
lock(c, web3, address, token, vault_address)
print("Vault locked. Now duck and wait.")
else:
sys.exit("Unknown action: {}".format(action))
def queue_reward(
*,
deposit: Deposit,
dbsession: Session,
web3: Web3,
reward_amount_rbtc: Decimal,
deposit_thresholds: RewardThresholdMap,
):
threshold = deposit_thresholds.get(deposit.side_token_symbol)
if not threshold:
# TODO: maybe these should be added somewhere for post processing?
logger.warning('Threshold not found for deposit %s -- cannot process',
deposit)
return
if deposit.amount_decimal < threshold:
logger.info('Threshold %s not met for deposit %s -- not rewarding',
threshold, deposit)
return
existing_reward = dbsession.query(Reward).filter(
func.lower(Reward.user_address) ==
deposit.user_address.lower()).first()
if existing_reward:
logger.info('User %s has already been rewarded.', deposit.user_address)
return
[balance, transaction_count] = _get_user_balance_and_transaction_count(
web3=web3,
user_address=deposit.user_address.lower(),
)
if balance > 0:
logger.info(
'User %s has an existing balance of %s RBTC - not rewarding',
deposit.user_address, from_wei(balance, 'ether'))
return
if transaction_count > 0:
logger.info(
'User %s already has %s transactions in RSK - not rewarding',
deposit.user_address, transaction_count)
return
logger.info('Rewarding user %s with %s RBTC', deposit.user_address,
str(reward_amount_rbtc))
reward = Reward(
status=RewardStatus.queued,
reward_rbtc_wei=int(reward_amount_rbtc * 10**18),
user_address=deposit.user_address,
deposit_side_token_address=deposit.side_token_address,
deposit_side_token_symbol=deposit.side_token_symbol,
deposit_main_token_address=deposit.main_token_address,
deposit_amount_minus_fees_wei=deposit.amount_minus_fees_wei,
deposit_log_index=deposit.log_index,
deposit_block_hash=deposit.block_hash,
deposit_transaction_hash=deposit.transaction_hash,
deposit_contract_address=deposit.contract_address,
)
dbsession.add(reward)
dbsession.flush()
return reward
def test_proxy_buy_load_refund(chain, web3, customer, customer_2,
team_multisig, proxy_buyer, crowdsale, token):
"""Fail the crowdsale, refund the pre-investors"""
assert proxy_buyer.call().getState() == 1
proxy_buyer.transact({
"value": to_wei(10000, "ether"),
"from": customer
}).buy()
# Move over
assert crowdsale.call().getState() == CrowdsaleState.Funding
proxy_buyer.transact({
"from": team_multisig
}).setCrowdsale(crowdsale.address)
assert proxy_buyer.call().crowdsale() == crowdsale.address
proxy_buyer.transact({"from": customer}).buyForEverybody()
proxy_buyer.transact({"from": team_multisig}).forceRefund()
proxy_buyer.transact({
"value": to_wei(10000, "ether"),
"from": customer
}).loadRefund()
before_refund = web3.eth.getBalance(customer)
proxy_buyer.transact({"from": customer}).refund()
after_refund = web3.eth.getBalance(customer)
assert from_wei(after_refund - before_refund,
"ether") > 0.99 # gas cost epsilon
def test_refund(failed_ico_ready_to_refund: Contract, web3: Web3,
customer: str, customer_2: str):
"""Customers can claim their refunds."""
assert failed_ico_ready_to_refund.functions.loadedRefund().call(
) == to_wei(120, "ether")
assert failed_ico_ready_to_refund.functions.getState().call(
) == CrowdsaleState.Refunding
# Check that the customer gets money back
invested_amount = failed_ico_ready_to_refund.functions.investedAmountOf(
customer).call()
begin_balance = web3.eth.getBalance(customer)
failed_ico_ready_to_refund.functions.refund().transact({"from": customer})
end_balance = web3.eth.getBalance(customer)
eth = from_wei(end_balance - begin_balance,
"ether") # Decimal('49.999999999999954693')
assert (end_balance - begin_balance) >= eth - TRANSACTION_COST_ETH_EPSILON
failed_ico_ready_to_refund.functions.refund().transact(
{"from": customer_2})
# Everything has been refunded
assert failed_ico_ready_to_refund.functions.weiRefunded().call() == to_wei(
120, "ether")
def test_invest_presale_refund(chain, web3, presale_fund_collector,
presale_crowdsale, preico_starts_at, customer,
customer_2):
"""We can refund"""
value = to_wei(1, "ether")
presale_fund_collector.transact({
"from": customer,
"value": value
}).invest()
value = to_wei(1.5, "ether")
presale_fund_collector.transact({
"from": customer_2,
"value": value
}).invest()
time_travel(chain, presale_fund_collector.call().freezeEndsAt() + 1)
before_refund = web3.eth.getBalance(customer)
presale_fund_collector.transact({"from": customer}).refund()
after_refund = web3.eth.getBalance(customer)
assert from_wei(after_refund - before_refund,
"ether") > 0.99 # gas cost epsilon
assert presale_fund_collector.call().balances(customer) == 0
def main(chain, address, token_address, csv_file, limit, start_from, vault_address, address_column, amount_column, action, freeze_ends_at, tokens_to_be_allocated):
"""TokenVault control script.
1) Deploys a token vault contract
2) Reads in distribution data as CSV
3) Locks vault
"""
project = Project()
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.currentProvider)
print("Owner address is", address)
print("Owner balance is", from_wei(web3.eth.getBalance(address), "ether"), "ETH")
# Goes through geth account unlock process if needed
if is_account_locked(web3, address):
request_account_unlock(c, address, timeout=3600*6)
assert not is_account_locked(web3, address)
Token = c.contract_factories.FractionalERC20
token = Token(address=token_address)
print("Total supply is", token.call().totalSupply())
try:
decimals = token.call().decimals()
except ValueError:
sys.exit("Token contract does not have support for decimal places, cannot work with it")
print("Token decimal places is", decimals)
assert decimals >= 0
if action == "deploy":
deploy(project, c, chain, web3, address, token, freeze_ends_at, tokens_to_be_allocated * (10**decimals))
print("TokenVault deployed.")
sys.exit(0)
elif action == "load":
if vault_address == None:
sys.exit("vault_address missing")
if address_column == None:
sys.exit("address_column missing")
if amount_column == None:
sys.exit("amount_column missing")
load(c, web3, address, csv_file, token, address_column, amount_column, vault_address)
print("Data loaded to the vault.")
sys.exit(0)
elif action == "lock":
lock(c, web3, address, token, vault_address)
print("Vault locked. Now duck and wait.")
else:
sys.exit("Unknown action: {}".format(action))
def proxy_buyers(project, chain, web3, customer, everything_deployed,
deploy_address, proxy_buyer_freeze_ends_at,
presale_investor_1, presale_investor_2, presale_investor_3,
presale_investor_4):
"""Simulate the presale contracts."""
crowdsale = everything_deployed["crowdsale"]
pricing_strategy = everything_deployed["pricing_strategy"]
# Presale price
default_presale_price = from_wei(2500000000000000, "ether")
# List of presale contracts
proxy_buyers = [
(presale_investor_1, "9930.441837", default_presale_price),
(presale_investor_2, "9999",
default_presale_price), # 0x6d997eDcA04282950416FA380d834f360fC36eBb
]
results = []
for investor, amount, price, in proxy_buyers:
# Create finalizer contract
amount = Decimal(amount)
# Dummy presale min and max arguments
args = [
deploy_address,
proxy_buyer_freeze_ends_at,
1, # 1 wei,
to_wei(10000, "ether"),
to_wei(10000, "ether"),
]
proxy_buyer, hash = chain.provider.deploy_contract('PreICOProxyBuyer',
deploy_args=args)
# Load presale contract with money
assert proxy_buyer.call().getState() == 1
proxy_buyer.transact({
"value": to_wei(amount, "ether"),
"from": investor
}).buy()
# Set ICO
proxy_buyer.transact({
"from": deploy_address
}).setCrowdsale(crowdsale.address)
# Set proxy buyer contract special price
pricing_strategy.transact({
"from": deploy_address
}).setPreicoAddress(proxy_buyer.address, to_wei(price, "ether"))
# Allow proxy buyer to move money in early
crowdsale.transact({
"from": deploy_address
}).setEarlyParicipantWhitelist(proxy_buyer.address, True)
results.append(proxy_buyer)
return results
def test_buy_all(chain, web3, crowdsale, token, finalizer, start_time, end_time, team_multisig, customer, cap, founder_allocation):
"""Buy all tokens and finalize crowdsale."""
# Buy on first week
time_travel(chain, start_time + 1)
assert crowdsale.functions.getState().call() == CrowdsaleState.Funding
# Buy all cap
wei_value = cap
print(from_wei(web3.eth.getBalance(customer), "ether"))
crowdsale.functions.buy().transact({"from": customer, "value": wei_value})
assert crowdsale.functions.isCrowdsaleFull().call()
# Close the deal
time_travel(chain, end_time + 1)
assert crowdsale.functions.getState().call() == CrowdsaleState.Success
crowdsale.functions.finalize().transact({"from": team_multisig})
assert crowdsale.functions.getState().call() == CrowdsaleState.Finalized
# See that we counted bonus correctly
team_bonus = token.functions.totalSupply().call() * 7 / 10
assert abs(finalizer.functions.allocatedBonus().call() - team_bonus) < 10 # We lose some in decimal rounding
# Token is transferable
assert token.functions.released().call()
def main(chain, address, name, symbol, supply, minting_agent, release_agent):
"""Rebuild a relaunched CrowdsaleToken contract.
Example:
deploy-token --chain=ropsten --address=0x3c2d4e5eae8c4a31ccc56075b5fd81307b1627c6 --name="MikkoToken 2.0" --symbol=MOO --release-agent=0x3c2d4e5eae8c4a31ccc56075b5fd81307b1627c6 --supply=100000
"""
raise NotImplementedError()
project = Project()
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.currentProvider)
print("Owner address is", address)
print("Owner balance is",
from_wei(web3.eth.getBalance(address), "ether"), "ETH")
# Goes through geth account unlock process if needed
if is_account_locked(web3, address):
request_account_unlock(c, address, None)
transaction = {"from": address}
args = [name, symbol, supply]
# This does deployment with all dependencies linked in
print("Starting contract deployment")
contract, txhash = c.provider.deploy_contract(
'CrowdsaleToken', deploy_transaction=transaction, deploy_args=args)
print("Contract address is", contract.address)
# This is needed for Etherscan contract verification
# https://etherscanio.freshdesk.com/support/solutions/articles/16000053599-contract-verification-constructor-arguments
data = get_constructor_arguments(contract, args)
print("CrowdsaleToken constructor arguments is", data)
if release_agent:
print("Setting release agent to", release_agent)
txid = contract.transact(transaction).setReleaseAgent(
release_agent)
check_succesful_tx(web3, txid)
if minting_agent:
print("Setting minting agent")
txid = contract.transact(transaction).setMintAgent(
minting_agent, True)
check_succesful_tx(web3, txid)
# Do some contract reads to see everything looks ok
print("Token owner:", contract.call().owner())
print("Token minting finished:", contract.call().mintingFinished())
print("Token released:", contract.call().released())
print("Token release agent:", contract.call().releaseAgent())
print("All done! Enjoy your decentralized future.")
def main(chain, address, cosigners, required):
"""Deploy a multisig wallet contract.
Example of creating a multisig wallet with 2/3 cosigners required:
deploy-multisig --chain=ropsten --address=0x3c2d4e5eae8c4a31ccc56075b5fd81307b1627c6 --cosigners=0xa5384627F6DcD3440298E2D8b0Da9d5F0FCBCeF7,0xD947F285Dbf2098C248133209cb92343e44e9BA8 --required=2
"""
project = Project()
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.currentProvider)
print("Owner address is", address)
print("Owner balance is",
from_wei(web3.eth.getBalance(address), "ether"), "ETH")
# Goes through geth account unlock process if needed
if is_account_locked(web3, address):
request_account_unlock(c, address, None)
transaction = {"from": address}
cosigners = cosigners.split(",")
args = [cosigners, required, 0]
# This does deployment with all dependencies linked in
print("Starting contract deployment")
# This will giv you TypeError: One or more arguments could not be encoded to the necessary ABI type if any of the addresses is not valid
contract, txhash = c.provider.deploy_contract(
'Wallet', deploy_transaction=transaction, deploy_args=args)
print("Contract address is", contract.address)
# This is needed for Etherscan contract verification
# https://etherscanio.freshdesk.com/support/solutions/articles/16000053599-contract-verification-constructor-arguments
data = get_constructor_arguments(contract, args)
print("Contract constructor arguments is", data)
# Do some contract reads to see everything looks ok
for i in range(0, 10):
owner = contract.call().getOwner(i)
if owner == "0x0000000000000000000000000000000000000000":
# EVM gives you null value if you do array out of bounds
break
print("Wallet cosigner #{}:".format(i + 1), owner)
if owner == "0x0":
break
print("Number of cosigners required for execution:",
contract.call().m_required())
print("Wallet balance:", web3.eth.getBalance(contract.address))
print("All done! Enjoy your decentralized future.")
def broadcast(
logger: Logger,
dbsession: Session,
network: str,
ethereum_node_url: Union[str, Web3],
ethereum_private_key: str,
ethereum_gas_limit: Optional[str],
ethereum_gas_price: Optional[str],
commit=True,
):
"""Issue out a new Ethereum token."""
check_good_private_key(ethereum_private_key)
web3 = create_web3(ethereum_node_url)
service = EthereumStoredTXService(network, dbsession, web3,
ethereum_private_key, ethereum_gas_price,
ethereum_gas_limit, BroadcastAccount,
PreparedTransaction)
service.ensure_accounts_in_sync()
pending_broadcasts = service.get_pending_broadcasts()
logger.info("Pending %d transactions for broadcasting in network %s",
pending_broadcasts.count(), network)
if pending_broadcasts.count() == 0:
logger.info(
"No new transactions to broadcast. Use sto tx-update command to see tx status."
)
return []
account = Account.privateKeyToAccount(ethereum_private_key)
balance = web3.eth.getBalance(account.address)
logger.info("Our address %s has ETH balance of %f for operations",
account.address, from_wei(balance, "ether"))
txs = list(pending_broadcasts)
# https://stackoverflow.com/questions/41985993/tqdm-show-progress-for-a-generator-i-know-the-length-of
for tx in tqdm(txs, total=pending_broadcasts.count()):
try:
service.broadcast(tx)
# logger.info("Broadcasted %s", tx.txid)
except Exception as e:
logger.exception(e)
logger.error("Failed to broadcast transaction %s: %s", tx.txid,
tx.human_readable_description)
raise e
if commit:
dbsession.commit() # Try to minimise file system sync issues
return txs
def createVote(_vote, vote, block_number, e, unvote=False):
v, created = Vote.objects.get_or_create(tx=vote.transactionHash)
if created:
log.debug('create voter')
voter = rpc.toChecksumAddress(_vote._voter)
vo, created = createAccount(voter, False, vote.blockNumber)
candidate, created = createCandidate(_vote._candidate, None,
block_number, e)
v.candidate = candidate.candidate
v.epoch = e
v.account = vo
v.tx = vote.transactionHash
v.block_number = vote.blockNumber
if unvote:
v.amount = 0 - from_wei(_vote._cap, 'ether')
else:
v.amount = from_wei(_vote._cap, 'ether')
v.save()
return v, created
def fetch_transactions(bids):
txs = []
hashes = bids['txhash'].unique()
for hash_ in hashes:
tx = dict(web3.eth.getTransaction(hash_))
tx['value'] = from_wei(tx['value'], 'ether')
txs.append(tx)
keys = txs[0].keys()
d = {key: [tx[key] for tx in txs] for key in txs[0].keys()}
return pd.DataFrame(d)
def gas_price() -> int:
w3 = get_infura_web3()
try:
# 5% + 5 gwei above infura
price = int(float(from_wei(w3.eth.gasPrice, 'gwei')) * 1.05) + 5
assert price > 0
except:
price = GAS_PRICE
return price
def from_message(trade, pair: str, market_info: dict) -> Trade:
decimal_exponent = 18 - int(market_info['quoteCurrency']['decimals'])
price = Wad.from_number(float(trade['price']) * 10 ** decimal_exponent)
return Trade(trade_id=trade['uuid'],
timestamp=int(dateutil.parser.parse(trade['createdAt']).timestamp()),
pair=trade["market"],
is_sell=True if trade['side'] == 'SELL' else False,
price=price,
amount=Wad.from_number(from_wei(abs(int(float(trade['amount']))), 'ether')))
def from_message(item: list, pair: str, market_info: dict) -> Order:
decimal_exponent = 18 - int(market_info['quoteCurrency']['decimals'])
price = Wad.from_number(float(item['price']) * 10 ** decimal_exponent)
return Order(order_id=item['id'],
timestamp=int(dateutil.parser.parse(item['createdAt']).timestamp()),
pair=pair,
is_sell=True if item['side'] == 'SELL' else False,
price=price,
amount=Wad.from_number(from_wei(abs(int(float(item['baseAmount']))), 'ether')))
def participate_early(chain, web3: Web3, presale_address: str, crowdsale_address: str, deploy_address: str, start=0, end=32, timeout=300) -> int:
"""Move funds over early.
.. note ::
Crowdsale contract checks the participate whitelist by invest address, not by msg.sender.
This process will open the presale investors an ability to participate to the crowdsale early,
bypassing the retail investor start time. However they could also top up their existing
preico accounts, so this is largerly no issue.
:param start: Move only n investors (for testing purposes)
:param end: Move only n investors (for testing purposes)
"""
updated = 0
PresaleFundCollector = get_contract_by_name(chain, "PresaleFundCollector")
presale = PresaleFundCollector(address=presale_address)
Crowdsale = PresaleFundCollector = get_contract_by_name(chain, "Crowdsale")
crowdsale = Crowdsale(address=crowdsale_address)
# Make sure presale is correctly set
txid = presale.transact({"from": deploy_address}).setCrowdsale(crowdsale.address)
logger.info("Setting presale crowdsale address to %s on txid", crowdsale.address, txid)
check_succesful_tx(web3, txid, timeout=timeout)
# Double check presale has a presale price set
MilestonePricing = get_contract_by_name(chain, "MilestonePricing")
pricing_strategy = MilestonePricing(address=crowdsale.call().pricingStrategy())
if not pricing_strategy.call().preicoAddresses(presale.address):
raise RuntimeError("Was not listed as presale address for pricing: {}".format(presale.address))
for i in range(start, min(end, presale.call().investorCount())):
investor = presale.call().investors(i)
if presale.call().balances(investor) > 0:
print("Whitelisting for {} to crowdsale {}".format(investor, crowdsale.address))
txid = crowdsale.transact({"from": deploy_address}).setEarlyParicipantWhitelist(investor, True)
print("Broadcasting whitelist transaction {}".format(txid))
check_succesful_tx(web3, txid, timeout=timeout)
funds = from_wei(presale.call().balances(investor), "ether")
print("Moving funds {} ETH for investor {} to presale {}".format(funds, investor, presale.address))
txid = presale.transact({"from": deploy_address}).participateCrowdsaleInvestor(investor)
print("Broadcasting transaction {}".format(txid))
check_succesful_tx(web3, txid, timeout=timeout)
updated += 1
else:
print("Investor already handled: {}".format(investor))
return updated
def fetch_txs(bids):
txs = []
for txhash in bids['txhash']:
tx = dict(web3.eth.getTransaction(txhash))
tx['value'] = from_wei(tx['value'], 'ether')
txs.append(tx)
tx_df = pd.DataFrame(
{key: [tx[key] for tx in txs]
for key in txs[0].keys()})
tx_df = tx_df.set_index('hash')
return tx_df
def _convert_balance_to_wad(self, balance: dict, decimals: int) -> dict:
wei_balance = float(balance['wei'])
## DyDx can have negative balances from native margin trading
is_negative = False
if wei_balance < 0:
is_negative = True
converted_balance = from_wei(abs(int(wei_balance)), 'ether')
if decimals == 6:
converted_balance = from_wei(abs(int(wei_balance)), 'mwei')
# reconvert Wad to negative value if balance is negative
if is_negative == True:
converted_balance = converted_balance * -1
balance['wad'] = Wad.from_number(converted_balance)
return balance
def _deploy_contracts(project, chain, web3, yaml_filename, chain_data, deploy_address):
"""Kernel for deploing contracts."""
# Coinbase aliasing
if deploy_address == "coinbase":
deploy_address = web3.eth.accounts[0]
address = deploy_address
print("Web3 provider is", web3.currentProvider)
print("Owner address is", address)
start_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Owner balance is", start_balance, "ETH")
runtime_data, statistics, contracts = deploy_crowdsale(project, chain, yaml_filename, chain_data, deploy_address)
perform_post_actions(chain, runtime_data, contracts)
perform_verify_actions(chain, runtime_data, contracts)
write_deployment_report(yaml_filename, runtime_data)
end_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Deployment cost is", start_balance - end_balance, "ETH")
return runtime_data, statistics, contracts
def _deploy_contracts(project, chain, web3, yaml_filename, chain_data, deploy_address):
"""
:param project:
:param chain:
:param chain_data:
:param deploy_address:
:return:
"""
address = deploy_address
print("Web3 provider is", web3.currentProvider)
print("Owner address is", address)
start_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Owner balance is", start_balance, "ETH")
runtime_data, statistics, contracts = deploy_crowdsale(project, chain, chain_data, deploy_address)
perform_post_actions(chain, runtime_data, contracts)
perform_verify_actions(chain, runtime_data, contracts)
write_deployment_report(yaml_filename, runtime_data)
end_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Deployment cost is", start_balance - end_balance, "ETH")
return runtime_data, statistics, contracts
def _deploy_contracts(project, chain, web3, yaml_filename, chain_data, deploy_address):
"""
:param project:
:param chain:
:param chain_data:
:param deploy_address:
:return:
"""
address = deploy_address
print("Web3 provider is", web3.currentProvider)
print("Owner address is", address)
start_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Owner balance is", start_balance, "ETH")
runtime_data, statistics, contracts = deploy_crowdsale(project, chain, yaml_filename, chain_data, deploy_address)
perform_post_actions(chain, runtime_data, contracts)
perform_verify_actions(chain, runtime_data, contracts)
write_deployment_report(yaml_filename, runtime_data)
end_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Deployment cost is", start_balance - end_balance, "ETH")
return runtime_data, statistics, contracts
def does_block_meet_min_gas_price(block, chain):
average_gas_price_in_wei = get_block_average_transaction_gas_price(block) #in wei
required_min_gas_price_in_gwei = chain.min_gas_db.get_required_block_min_gas_price() #in gwei
if average_gas_price_in_wei == float('inf'):
return True
average_gas_price_in_gwei = from_wei(average_gas_price_in_wei, 'gwei')
if average_gas_price_in_gwei < required_min_gas_price_in_gwei:
return False
else:
return True
def fetch_bids():
"""Get all bid events and return them as a dataframe."""
block_range = {'fromBlock': CONTRACT_CREATION_BLOCK}
# get bid events
log_filter = auction_contract.on('BidSubmission', block_range)
events = log_filter.get(only_changes=False)
df = pd.DataFrame({
'amount':
[from_wei(event['args']['_amount'], 'ether') for event in events],
'missing': [
from_wei(event['args']['_missing_funds'], 'ether')
for event in events
],
'sender': [event['args']['_sender'] for event in events],
'block': [event['blockNumber'] for event in events],
'txhash': [event['transactionHash'] for event in events]
})
# get start time of auction
log_filter = auction_contract.on('AuctionStarted',
{'fromBlock': CONTRACT_CREATION_BLOCK})
start_events = log_filter.get(only_changes=False)
assert len(start_events) == 1
start_time = start_events[0]['args']['_start_time']
print(start_time)
# get bid times
blocks = df['block'].unique()
timestamps = []
for block_number in blocks:
block = web3.eth.getBlock(int(block_number))
timestamps.append(block['timestamp'] - start_time)
timestamp_df = pd.DataFrame({'block': blocks, 'time': timestamps})
merged = pd.merge(df, timestamp_df, on='block')
# sort by time and return
sorted = merged.sort_values('time')
return sorted
def ProcessMasternodes(block_num):
log.info(
'\tProcessing masternode validation at block {0}.'.format(block_num))
#blk = api.models.block.Block.objects.get(id=block_id)
blk = rpc.eth.getBlock(to_hex(block_num))
signer_req_data = {
'jsonrpc': '2.0',
'method': 'eth_getCandidates',
'params': ['latest'],
'id': settings.CHAIN_ID,
}
result = requests.post(url=settings.RESTFUL_ENDPOINT, json=signer_req_data)
data = result.json()['result']
for c in data['candidates']:
d = data['candidates'][c]
owner = validator.functions.getCandidateOwner(c).call()
cand = api.models.shifu.Candidate.objects.filter(
smartContractAddress=settings.VALIDATOR_CONTRACT_ADDRESS,
candidate=c)
if len(cand) < 1:
cand = api.models.shifu.Candidate()
else:
cand = cand[0]
cand.smartContractAddress = settings.VALIDATOR_CONTRACT_ADDRESS
cand.owner = owner
cand.candidate = c
cand.status = d['status']
cand.capacity = d['capacity']
cand.capacityNumber = from_wei(d['capacity'], 'ether')
if d['status'] == 'MASTERNODE' or d['status'] == 'SLASHED':
cand.latestBlock = blk.number
cand.totalSignedBlocks = api.models.block.BlockSigner.objects.filter(
signers__icontains=c).count()
lsb = api.models.block.BlockSigner.objects.filter(
signers__icontains=c).order_by('-blockNumber')
if len(lsb) > 0:
cand.lastSignedBlock = lsb[0].blockNumber
cand.save()
ProcessVoters(c, block_num)
# update top 150 rankings
top150 = api.models.shifu.Candidate.objects.values('id').annotate(
capacity_cap=Count('capacityNumber')).order_by('-capacity_cap')[:150]
rank = 1
for x in top150:
_c = api.models.shifu.Candidate.objects.get(id=x['id'])
_c.rank = rank
_c.save()
rank += 1
async def create_wallet(self):
addr, priv = self.create_addr()
price = await self.get_gas_price()
single_tx_price = price * self.MAX_GAS
single_tx_price = from_wei(single_tx_price, 'ether')
try:
await self.send_eth(
settings.BUFFER_ETH_PRIV,
[(addr, single_tx_price * self.LND_WALLETS_TOPUP_TRANS_NO)],
)
except NotEnoughAmountError:
raise GeneralError("not enough eth in buffer wallet")
return addr, priv
def proxy_buyers(project, chain, web3, customer, everything_deployed, deploy_address, proxy_buyer_freeze_ends_at, presale_investor_1, presale_investor_2, presale_investor_3, presale_investor_4):
"""Simulate the presale contracts."""
crowdsale = everything_deployed["crowdsale"]
pricing_strategy = everything_deployed["pricing_strategy"]
# Presale price
default_presale_price = from_wei(2500000000000000, "ether")
# List of presale contracts
proxy_buyers = [
(presale_investor_1, "9930.441837", default_presale_price),
(presale_investor_2, "9999", default_presale_price),# 0x6d997eDcA04282950416FA380d834f360fC36eBb
]
results = []
for investor, amount, price, in proxy_buyers:
# Create finalizer contract
amount = Decimal(amount)
# Dummy presale min and max arguments
args = [
deploy_address,
proxy_buyer_freeze_ends_at,
1, # 1 wei,
to_wei(10000, "ether"),
to_wei(10000, "ether"),
]
proxy_buyer, hash = chain.provider.deploy_contract('PreICOProxyBuyer', deploy_args=args)
# Load presale contract with money
assert proxy_buyer.call().getState() == 1
proxy_buyer.transact({"value": to_wei(amount, "ether"), "from": investor}).buy()
# Set ICO
proxy_buyer.transact({"from": deploy_address}).setCrowdsale(crowdsale.address)
# Set proxy buyer contract special price
pricing_strategy.transact({"from": deploy_address}).setPreicoAddress(proxy_buyer.address, to_wei(price, "ether"))
# Allow proxy buyer to move money in early
crowdsale.transact({"from": deploy_address}).setEarlyParicipantWhitelist(proxy_buyer.address, True)
results.append(proxy_buyer)
return results
def test_refund(failed_ico_ready_to_refund: Contract, web3: Web3, customer: str, customer_2: str):
"""Customers can claim their refunds."""
assert failed_ico_ready_to_refund.call().loadedRefund() == to_wei(120, "ether")
assert failed_ico_ready_to_refund.call().getState() == CrowdsaleState.Refunding
# Check that the customer gets money back
invested_amount = failed_ico_ready_to_refund.call().investedAmountOf(customer)
begin_balance = web3.eth.getBalance(customer)
failed_ico_ready_to_refund.transact({"from": customer}).refund()
end_balance = web3.eth.getBalance(customer)
eth = from_wei(end_balance - begin_balance, "ether") # Decimal('49.999999999999954693')
assert (end_balance - begin_balance) >= eth - TRANSACTION_COST_ETH_EPSILON
failed_ico_ready_to_refund.transact({"from": customer_2}).refund()
# Everything has been refunded
assert failed_ico_ready_to_refund.call().weiRefunded() == to_wei(120, "ether")
def main(chain, hot_wallet_address, csv_file, limit, start_from, address_column, amount_column, id_column, state_file):
"""Distribute ETh refunds.
Reads in funds distribution data as CSV. Then sends funds from a local address.
The refund status is stored as a JSON file.
Example:
refund --chain=kovan --hot-wallet-address=0x001fc7d7e506866aeab82c11da515e9dd6d02c25 --csv-file=refunds.csv --address-column="Refund address" --amount-column="ETH" --id-column="Email" --start-from=0 --limit=2 --state-file=refund-state.json
Example CSV data:
.. code-block:: csv
Email,ETH,Refund address
[email protected],61.52,0x0078EF811B6564c996fD10012579633B1a518b9D
[email protected],111.21,0xf0b91641CCe2ADB4c0D7B90c54E7eE96CCCBc3d1
[email protected],61.52,0x0dAbC71Faa8982bF23eE2c4979d22536F5101065
[email protected],61.52,0x0B8EceBc18153166Beec1b568D510B55B560789D
"""
# Make a backup of the state file
if os.path.exists(state_file):
assert state_file.endswith(".json")
backup_name = state_file.replace(".json", "." + datetime.datetime.utcnow().isoformat() + ".bak.json")
print("Backing up state file to", backup_name)
shutil.copy(state_file, backup_name)
project = Project()
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.currentProvider)
print("Hot wallet address is", hot_wallet_address)
print("Hot wallet balance is", from_wei(web3.eth.getBalance(hot_wallet_address), "ether"), "ETH")
# Goes through geth account unlock process if needed
if is_account_locked(web3, hot_wallet_address):
request_account_unlock(c, hot_wallet_address, timeout=3600*6)
assert not is_account_locked(web3, hot_wallet_address)
print("Reading data", csv_file)
with open(csv_file, "rt", encoding='utf-8-sig') as inp:
reader = csv.DictReader(inp)
rows = [row for row in reader]
# Check that we have unique addresses
uniq_ids = set()
for row in rows:
print(row)
id = row[id_column].strip()
if id in uniq_ids:
raise RuntimeError("Id appears twice in input data", id)
uniq_ids.add(id)
addr = row[address_column]
if not is_checksum_address(addr):
print("Not a checksummed address", addr)
# Start distribution
start_time = time.time()
start_balance = from_wei(web3.eth.getBalance(hot_wallet_address), "ether")
print("Total rows", len(rows))
if os.path.exists(state_file):
with open(state_file, "rt") as inp:
state = json.load(inp)
else:
state = {}
for i in range(start_from, min(start_from+limit, len(rows))):
data = rows[i]
addr = data[address_column].strip()
id = data[id_column].strip()
amount = Decimal(data[amount_column].strip())
amount_wei = to_wei(amount, "ether")
if id in state:
print("Already refunded", id, addr, amount)
continue
# Use non-default gas price for speedier processing
gas_price = int(web3.eth.gasPrice * 3)
txid = web3.eth.sendTransaction({"from": hot_wallet_address, "to": addr, "value": amount_wei, "gasPrice": gas_price})
duration = time.time() - start_time
print("Transferring", id, amount_wei, "to", addr, "txid", txid, "duration", duration)
state[id] = txid
with open(state_file, "wt") as out:
json.dump(state, out)
check_succesful_tx(web3, txid, timeout=300)
end_balance = from_wei(web3.eth.getBalance(hot_wallet_address), "ether")
print("Refund cost is", start_balance - end_balance, "ETH")
print("All done! Enjoy your decentralized future.")
def main(chain, address, csv_file):
"""Extract crowdsale contract investors."""
project = Project()
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.currentProvider)
# Sanity check
print("Block number is", web3.eth.blockNumber)
Crowdsale = c.provider.get_contract_factory('MintedTokenCappedCrowdsale')
crowdsale = Crowdsale(address=address)
print("Total amount raised is", from_wei(crowdsale.call().weiRaised(), "ether"), "ether")
print("Getting events")
events = crowdsale.pastEvents("Invested").get(only_changes=False)
# Merge several transactions from the same address to one
print("Analysing", len(events), "raw events")
address_data = OrderedDict()
for e in events:
address = e["args"]["investor"]
data = address_data.get(address, {})
# TODO: Not sure if we get events in block order
timestamp = web3.eth.getBlock(e["blockNumber"])["timestamp"]
current_first = data.get("first_payment", 99999999999999999)
if timestamp < current_first:
data["first_payment"] = timestamp
data["raised"] = data.get("raised", 0) + from_wei(e["args"]["weiAmount"], "ether")
data["tokens"] = data.get("tokens", 0) + e["args"]["tokenAmount"]
address_data[address] = data
if csv_file:
print("Writing results to", csv_file)
with open(csv_file, 'w', newline='') as out:
writer = csv.writer(out)
writer.writerow(["Address", "First payment at", "Invested ETH", "Received tokens"])
for address, data in address_data.items():
timestamp = data["first_payment"]
dt = datetime.datetime.fromtimestamp(timestamp, tz=datetime.timezone.utc)
writer.writerow([
address,
dt.isoformat(),
str(data["raised"]),
str(data["tokens"])
])
else:
for address, data in address_data.items():
timestamp = data["first_payment"]
dt = datetime.datetime.fromtimestamp(timestamp, tz=datetime.timezone.utc)
print(
address,
dt.isoformat(),
str(data["raised"]),
str(data["tokens"])
)
print("Total", len(address_data), "investors")
print("All done! Enjoy your decentralized future.")
def load(chain, web3: Web3, address: str, csv_file: str, token: Contract, address_column: str, amount_column: str, vault_address: str):
decimals = token.call().decimals()
decimal_multiplier = 10 ** decimals
transaction = {"from": address}
TokenVault = chain.contract_factories.TokenVault
token_vault = TokenVault(address=vault_address)
# Check that our tokens are the same
assert token_vault.call().token().lower() == token.address.lower()
print("Starting to import investor data to ", token_vault.address)
print("Reading data", csv_file)
with open(csv_file, "rt") as inp:
reader = csv.DictReader(inp)
rows = [row for row in reader]
# Check that we have unique addresses
uniq_addresses = set()
total = 0
for row in rows:
addr = row[address_column].strip()
amount = row[amount_column].strip()
if addr in uniq_addresses:
raise RuntimeError("Address appears twice in input data", addr)
uniq_addresses.add(addr)
amount = Decimal(amount)
total += amount
if amount <= 0:
raise RuntimeError("Invalid amount:".format(amount))
if token_vault.call().tokensToBeAllocated() != total * decimal_multiplier:
raise RuntimeError("Expected total amount {}, CSV sum is {}".format(token_vault.call().tokensToBeAllocated(), total))
# Start distribution
start_time = time.time()
start_balance = from_wei(web3.eth.getBalance(address), "ether")
tx_to_confirm = [] # List of txids to confirm
tx_batch_size = 16 # How many transactions confirm once
print("Total rows", len(rows))
for i in range(len(rows)):
data = rows[i]
addr = data[address_column].strip()
tokens = Decimal(data[amount_column].strip())
tokens *= decimal_multiplier
end_balance = from_wei(web3.eth.getBalance(address), "ether")
spent = start_balance - end_balance
# http://stackoverflow.com/a/19965088/315168
if not tokens % 1 == 0:
raise RuntimeError("Could not issue tokens because after multiplication was not integer")
tokens = int(tokens)
print("Row", i, "giving", tokens, "to", addr, "vault", token_vault.address, "time passed", time.time() - start_time, "ETH spent", spent)
if token_vault.call().balances(addr) > 0:
print("Already issued, skipping")
continue
txid = token_vault.transact(transaction).setInvestor(addr, tokens)
tx_to_confirm.append(txid)
# Confirm N transactions when batch max size is reached
if len(tx_to_confirm) >= tx_batch_size:
check_multiple_succesful_txs(web3, tx_to_confirm)
tx_to_confirm = []
# Confirm dangling transactions
check_multiple_succesful_txs(web3, tx_to_confirm)
end_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Deployment cost is", start_balance - end_balance, "ETH")
def main(chain, address, token, csv_file, limit, start_from, issuer_address, address_column, amount_column, allow_zero, master_address):
"""Distribute tokens to centrally issued crowdsale participant or bounty program participants.
Reads in distribution data as CSV. Then uses Issuer contract to distribute tokens.
All token counts are multiplied by token contract decimal specifier. E.g. if CSV has amount 15.5,
token has 2 decimal places, we will issue out 1550 raw token amount.
To speed up the issuance, transactions are verified in batches. Each batch is 16 transactions at a time.
Example (first run):
distribute-tokens --chain=kovan --address=0x001FC7d7E506866aEAB82C11dA515E9DD6D02c25 --token=0x1644a421ae0a0869bac127fa4cce8513bd666705 --master-address=0x9a60ad6de185c4ea95058601beaf16f63742782a --csv-file=input.csv --allow-zero --address-column="Ethereum address" --amount-column="Token amount"
Example (second run, continue after first run was interrupted):
distribute-tokens --chain=kovan --address=0x001FC7d7E506866aEAB82C11dA515E9DD6D02c25 --token=0x1644a421ae0a0869bac127fa4cce8513bd666705 --csv-file=input.csv --allow-zero --address-column="Ethereum address" --amount-column="Token amount" --issuer-address=0x2c9877534f62c8b40aebcd08ec9f54d20cb0a945
"""
project = Project()
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.currentProvider)
print("Owner address is", address)
print("Owner balance is", from_wei(web3.eth.getBalance(address), "ether"), "ETH")
# Goes through geth account unlock process if needed
if is_account_locked(web3, address):
request_account_unlock(c, address, timeout=3600*6)
assert not is_account_locked(web3, address)
Token = c.provider.get_base_contract_factory('CentrallyIssuedToken')
token = Token(address=token)
print("Token is", token.address)
print("Total supply is", token.call().totalSupply())
print("Upgrade master is", token.call().upgradeMaster())
print("Owner token balance master is", token.call().balanceOf(address))
decimals = token.call().decimals()
print("Token decimal places is", decimals)
assert decimals >= 0
decimal_multiplier = 10**decimals
transaction = {"from": address}
Issuer = c.provider.get_base_contract_factory('Issuer')
if not issuer_address:
# TODO: Fix Populus support this via an deploy argument
if "JSONFile" in c.registrar.registrar_backends:
del c.registrar.registrar_backends["JSONFile"]
# Create issuer contract
assert master_address, "You need to give master-address"
args = [address, master_address, token.address]
print("Deploying new issuer contract", args)
issuer, txhash = c.provider.deploy_contract("Issuer", deploy_transaction=transaction, deploy_args=args)
check_succesful_tx(web3, txhash)
const_args = get_constructor_arguments(issuer, args)
chain_name = chain
fname = "Issuer.sol"
browser_driver = "chrome"
verify_contract(
project=project,
libraries={}, # TODO: Figure out how to pass around
chain_name=chain_name,
address=issuer.address,
contract_name="Issuer",
contract_filename=fname,
constructor_args=const_args,
# libraries=runtime_data["contracts"][name]["libraries"],
browser_driver=browser_driver)
link = get_etherscan_link(chain_name, issuer.address)
print("Issuer verified contract is", link)
else:
print("Reusing existing issuer contract")
issuer = Issuer(address=issuer_address)
print("Issuer contract is", issuer.address)
print("Currently issued", issuer.call().issuedCount())
if not master_address:
sys.exit("Please use Token.approve() to give some allowance for the issuer contract by master address")
allowance = token.call().allowance(master_address, issuer.address)
print("Issuer allowance", allowance)
if allowance == 0 or not master_address:
sys.exit("Please use Token.approve() to give some allowance for the issuer contract by master address")
print("Reading data", csv_file)
with open(csv_file, "rt") as inp:
reader = csv.DictReader(inp)
rows = [row for row in reader]
# Check that we have unique addresses
uniq_addresses = set()
for row in rows:
addr = row[address_column].strip()
if addr in uniq_addresses:
raise RuntimeError("Address appears twice in input data", addr)
uniq_addresses.add(addr)
# Start distribution
start_time = time.time()
start_balance = from_wei(web3.eth.getBalance(address), "ether")
tx_to_confirm = [] # List of txids to confirm
tx_batch_size = 16 # How many transactions confirm once
print("Total rows", len(rows))
for i in range(start_from, min(start_from+limit, len(rows))):
data = rows[i]
addr = data[address_column].strip()
tokens = Decimal(data[amount_column].strip())
tokens *= decimal_multiplier
end_balance = from_wei(web3.eth.getBalance(address), "ether")
spent = start_balance - end_balance
if tokens == 0:
if not allow_zero:
raise RuntimeError("Encountered zero amount")
else:
continue
# http://stackoverflow.com/a/19965088/315168
if not tokens % 1 == 0:
raise RuntimeError("Could not issue tokens because after multiplication was not integer")
transaction = {
"from": address,
"gasPrice": int(web3.eth.gasPrice * 1.5)
}
tokens = int(tokens)
print("Row", i, "giving", tokens, "to", addr, "issuer", issuer.address, "time passed", time.time() - start_time, "ETH passed", spent)
if issuer.call().issued(addr):
print("Already issued, skipping")
continue
txid = issuer.transact(transaction).issue(addr, tokens)
tx_to_confirm.append(txid)
# Confirm N transactions when batch max size is reached
if len(tx_to_confirm) >= tx_batch_size:
check_multiple_succesful_txs(web3, tx_to_confirm)
tx_to_confirm = []
# Confirm dangling transactions
check_multiple_succesful_txs(web3, tx_to_confirm)
end_balance = from_wei(web3.eth.getBalance(address), "ether")
print("Deployment cost is", start_balance - end_balance, "ETH")
print("All done! Enjoy your decentralized future.")
def main(chain, address, contract_name, name, symbol, supply, decimals, minting_agent, release_agent, verify, verify_filename, master_address):
"""Deploy a single crowdsale token contract.
Examples:
deploy-token --chain=ropsten --address=0x3c2d4e5eae8c4a31ccc56075b5fd81307b1627c6 --name="MikkoToken 2.0" --symbol=MOO --release-agent=0x3c2d4e5eae8c4a31ccc56075b5fd81307b1627c6 --supply=100000
deploy-token --chain=kovan --contract-name="CentrallyIssuedToken" --address=0x001FC7d7E506866aEAB82C11dA515E9DD6D02c25 --name="TestToken" --symbol=MOO --supply=916 --decimals=0 --verify --verify-filename=CentrallyIssuedToken.sol
"""
project = Project()
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.currentProvider)
print("Deployer address is", address)
print("Deployer balance is", from_wei(web3.eth.getBalance(address), "ether"), "ETH")
# Goes through geth account unlock process if needed
if is_account_locked(web3, address):
request_account_unlock(c, address, None)
decimal_multiplier = 10 ** decimals
transaction = {"from": address}
args = [name, symbol, supply * decimal_multiplier, decimals]
if contract_name == "CentrallyIssuedToken":
# TODO: Generalize settings contract args
# This sets the upgrade master
args = [address] + args
# Make sure Populus does not pull up any cached instances of deployed contracts
# TODO: Fix Populus support this via an deploy argument
if "JSONFile" in c.registrar.registrar_backends:
del c.registrar.registrar_backends["JSONFile"]
print("Starting contract deployment")
# This does deployment with all dependencies linked in
contract, txhash = c.provider.deploy_contract(contract_name, deploy_transaction=transaction, deploy_args=args)
check_succesful_tx(web3, txhash)
print("Contract address is", contract.address)
# This is needed for Etherscan contract verification
# https://etherscanio.freshdesk.com/support/solutions/articles/16000053599-contract-verification-constructor-arguments
const_args = get_constructor_arguments(contract, args)
print("CrowdsaleToken constructor arguments is", const_args)
if release_agent:
print("Setting release agent to", release_agent)
txid = contract.transact(transaction).setReleaseAgent(release_agent)
check_succesful_tx(web3, txid)
if minting_agent:
print("Setting minting agent")
txid = contract.transact(transaction).setMintAgent(minting_agent, True)
check_succesful_tx(web3, txid)
if master_address:
print("Moving upgrade master to a team multisig wallet", master_address)
txid = contract.transact({"from": address}).setUpgradeMaster(master_address)
check_succesful_tx(web3, txid)
print("Moving total supply a team multisig wallet", master_address)
contract.transact({"from": address}).transfer(master_address, contract.call().totalSupply())
check_succesful_tx(web3, txid)
if verify:
chain_name = chain
fname = verify_filename
browser_driver = "chrome"
verify_contract(
project=project,
libraries={}, # TODO: Figure out how to pass around
chain_name=chain_name,
address=contract.address,
contract_name=contract_name,
contract_filename=fname,
constructor_args=const_args,
# libraries=runtime_data["contracts"][name]["libraries"],
browser_driver=browser_driver)
link = get_etherscan_link(chain_name, contract.address)
print("Verified contract is", link)
print("Token supply:", contract.call().totalSupply())
# Do some contract reads to see everything looks ok
try:
print("Token owner:", contract.call().owner())
except ValueError:
pass # No owner
try:
print("Token upgradeMaster:", contract.call().upgradeMaster())
except ValueError:
pass
try:
print("Token minting finished:", contract.call().mintingFinished())
except ValueError:
pass
try:
print("Token released:", contract.call().released())
print("Token release agent:", contract.call().releaseAgent())
except ValueError:
pass
print("All done! Enjoy your decentralized future.")
def main(chain, address, csv_file):
"""Extract crowdsale invested events.
This is useful for RelaunchCrowdsale to rebuild the data.
"""
project = Project()
timestamp_filename = "block-timestamps.json"
with project.get_chain(chain) as c:
web3 = c.web3
print("Web3 provider is", web3.currentProvider)
# Sanity check
print("Block number is", web3.eth.blockNumber)
Crowdsale = c.provider.get_base_contract_factory('MintedTokenCappedCrowdsale')
crowdsale = Crowdsale(address=address)
Token = c.provider.get_base_contract_factory('CrowdsaleToken')
token = Token(address=crowdsale.call().token())
decimals = token.call().decimals()
decimal_multiplier = 10**decimals
print("We have", decimals, "decimals, multiplier is", decimal_multiplier)
print("Total amount raised is", from_wei(crowdsale.call().weiRaised(), "ether"), "ether")
print("Getting events")
events = crowdsale.pastEvents("Invested").get(only_changes=False)
print("Writing results to", csv_file)
# Block number -> timestamp mappings
timestamps = {}
# Load cached timestamps
if os.path.exists(timestamp_filename):
with open(timestamp_filename, "rt") as inp:
timestamps = json.load(inp)
with open(csv_file, 'w', newline='') as out:
writer = csv.writer(out)
writer.writerow(["Address", "Payment at", "Tx hash", "Tx index", "Invested ETH", "Received tokens"])
for idx, e in enumerate(events):
if idx % 100 == 0:
print("Writing event", idx)
# Save cached timestamps
with open(timestamp_filename, "wt") as out:
json.dump(timestamps, out)
block_number = e["blockNumber"]
if block_number not in timestamps:
timestamps[block_number] = web3.eth.getBlock(block_number)["timestamp"]
amount = Decimal(e["args"]["tokenAmount"]) / Decimal(decimal_multiplier)
tokens = amount * decimal_multiplier
# http://stackoverflow.com/a/19965088/315168
if not tokens % 1 == 0:
raise RuntimeError("Could not convert token amount to decimal format. It was not an integer after restoring non-fractional balance: {} {} {}".format(tokens, amount, decimal_multiplier))
timestamp = timestamps[block_number]
dt = datetime.datetime.fromtimestamp(timestamp, tz=datetime.timezone.utc)
writer.writerow([
e["args"]["investor"],
dt.isoformat(),
e["transactionHash"],
e["transactionIndex"],
from_wei(e["args"]["weiAmount"], "ether"),
amount,
])
print("Total", len(events), "invest events")
print("All done! Enjoy your decentralized future.")