def redeem_bulk_kudos(self, kt_id, retry=False):
"""
:param self:
:param kt_id:
:return:
"""
try:
with redis.lock("tasks:redeem_bulk_kudos:%s" % kt_id,
timeout=LOCK_TIMEOUT):
multiplier = 1
# high gas prices, 5 hour gas limit - DL
gas_price = int(
float(recommend_min_gas_price_to_confirm_in_time(300)) *
multiplier)
if gas_price > delay_if_gas_prices_gt_redeem:
# do not retry is gas prices are too high
# TODO: revisit this when gas prices go down
# self.retry(countdown=60*10)
return
obj = KudosTransfer.objects.get(pk=kt_id)
w3 = get_web3(obj.network)
token = obj.kudos_token_cloned_from
if token.owner_address.lower(
) != '0x6239FF1040E412491557a7a02b2CBcC5aE85dc8F'.lower():
raise Exception(
"kudos isnt owned by Gitcoin; cowardly refusing to spend Gitcoin's ETH minting it"
)
kudos_owner_address = settings.KUDOS_OWNER_ACCOUNT
kudos_owner_address = Web3.toChecksumAddress(kudos_owner_address)
kudos_contract_address = Web3.toChecksumAddress(
settings.KUDOS_CONTRACT_MAINNET)
contract = w3.eth.contract(
Web3.toChecksumAddress(kudos_contract_address),
abi=kudos_abi())
nonce = w3.eth.getTransactionCount(kudos_owner_address)
tx = contract.functions.clone(
Web3.toChecksumAddress(obj.receive_address), token.token_id,
1).buildTransaction({
'nonce':
nonce,
'gas':
500000,
'gasPrice':
gas_price,
'value':
int(token.price_finney / 1000.0 * 10**18),
})
private_key = settings.KUDOS_PRIVATE_KEY
signed = w3.eth.account.signTransaction(tx, private_key)
obj.txid = w3.eth.sendRawTransaction(signed.rawTransaction).hex()
obj.receive_txid = obj.txid
obj.save()
while not has_tx_mined(obj.txid, obj.network):
time.sleep(1)
pass
except (SoftTimeLimitExceeded, TimeLimitExceeded):
print('max timeout for bulk kudos redeem exceeded ... giving up!')
except Exception as e:
print(e)
if self.request.retries < self.max_retries:
self.retry(countdown=(30 * (self.request.retries + 1)))
else:
print("max retries for bulk kudos redeem exceeded ... giving up!")
def receive_bulk(request, secret):
coupons = BulkTransferCoupon.objects.filter(secret=secret)
if not coupons.exists():
raise Http404
coupon = coupons.first()
if coupon.num_uses_remaining <= 0:
messages.info(request, f'Sorry but the coupon for a free kudos has has expired. Contact the person who sent you the coupon link, or you can still purchase one on this page.')
return redirect(coupon.token.url)
kudos_transfer = None
if request.user.is_authenticated:
redemptions = BulkTransferRedemption.objects.filter(redeemed_by=request.user.profile, coupon=coupon)
if redemptions.exists():
kudos_transfer = redemptions.first().kudostransfer
error = False
if request.POST:
try:
address = Web3.toChecksumAddress(request.POST.get('forwarding_address'))
except:
error = "You must enter a valid Ethereum address (so we know where to send your Kudos). Please try again."
if request.user.is_anonymous:
error = "You must login."
if not error:
user = request.user
profile = user.profile
save_addr = request.POST.get('save_addr')
ip_address = get_ip(request)
# handle form submission
if save_addr:
profile.preferred_payout_address = address
profile.save()
kudos_contract_address = Web3.toChecksumAddress(settings.KUDOS_CONTRACT_MAINNET)
kudos_owner_address = Web3.toChecksumAddress(settings.KUDOS_OWNER_ACCOUNT)
w3 = get_web3(coupon.token.contract.network)
contract = w3.eth.contract(Web3.toChecksumAddress(kudos_contract_address), abi=kudos_abi())
nonce = w3.eth.getTransactionCount(kudos_owner_address)
tx = contract.functions.clone(address, coupon.token.token_id, 1).buildTransaction({
'nonce': nonce,
'gas': 500000,
'gasPrice': int(recommend_min_gas_price_to_confirm_in_time(2) * 10**9),
'value': int(coupon.token.price_finney / 1000.0 * 10**18),
})
if not profile.trust_profile and profile.github_created_on > (timezone.now() - timezone.timedelta(days=7)):
messages.error(request, f'Your github profile is too new. Cannot receive kudos.')
else:
signed = w3.eth.account.signTransaction(tx, settings.KUDOS_PRIVATE_KEY)
txid = w3.eth.sendRawTransaction(signed.rawTransaction).hex()
with transaction.atomic():
kudos_transfer = KudosTransfer.objects.create(
emails=[request.user.email],
# For kudos, `token` is a kudos.models.Token instance.
kudos_token_cloned_from=coupon.token,
amount=0,
comments_public=coupon.comments_to_put_in_kudos_transfer,
ip=ip_address,
github_url='',
from_name=coupon.sender_profile.handle,
from_email='',
from_username=coupon.sender_profile.handle,
username=profile.handle,
network=coupon.token.contract.network,
from_address=settings.KUDOS_OWNER_ACCOUNT,
is_for_bounty_fulfiller=False,
metadata={'coupon_redemption': True, 'nonce': nonce},
recipient_profile=profile,
sender_profile=coupon.sender_profile,
txid=txid,
receive_txid=txid,
tx_status='pending',
receive_tx_status='pending',
)
# save to DB
BulkTransferRedemption.objects.create(
coupon=coupon,
redeemed_by=profile,
ip_address=ip_address,
kudostransfer=kudos_transfer,
)
coupon.num_uses_remaining -= 1
coupon.current_uses += 1
coupon.save()
# send email
maybe_market_kudos_to_email(kudos_transfer)
title = f"Redeem {coupon.token.humanized_name} Kudos from @{coupon.sender_profile.handle}"
desc = f"This Kudos has been AirDropped to you. About this Kudos: {coupon.token.description}"
params = {
'title': title,
'card_title': title,
'card_desc': desc,
'error': error,
'avatar_url': coupon.token.img_url,
'coupon': coupon,
'user': request.user,
'is_authed': request.user.is_authenticated,
'kudos_transfer': kudos_transfer,
'tweet_text': urllib.parse.quote_plus(f"I just got a {coupon.token.humanized_name} Kudos on @GetGitcoin. ")
}
return TemplateResponse(request, 'transaction/receive_bulk.html', params)
def receive_bulk(request, secret):
coupons = BulkTransferCoupon.objects.filter(secret=secret)
if not coupons.exists():
raise Http404
coupon = coupons.first()
if coupon.num_uses_remaining <= 0:
raise PermissionDenied
kudos_transfer = None
if request.user.is_authenticated:
redemptions = BulkTransferRedemption.objects.filter(
redeemed_by=request.user.profile, coupon=coupon)
if redemptions.exists():
kudos_transfer = redemptions.first().kudostransfer
if request.POST:
address = Web3.toChecksumAddress(
request.POST.get('forwarding_address'))
user = request.user
profile = user.profile
save_addr = request.POST.get('save_addr')
ip_address = get_ip(request)
# handle form submission
if save_addr:
profile.preferred_payout_address = address
profile.save()
kudos_contract_address = Web3.toChecksumAddress(
settings.KUDOS_CONTRACT_MAINNET)
kudos_owner_address = Web3.toChecksumAddress(
settings.KUDOS_OWNER_ACCOUNT)
w3 = get_web3(coupon.token.contract.network)
contract = w3.eth.contract(
Web3.toChecksumAddress(kudos_contract_address), abi=kudos_abi())
tx = contract.functions.clone(
address, coupon.token.token_id, 1).buildTransaction({
'nonce':
get_nonce(coupon.token.contract.network, kudos_owner_address),
'gas':
500000,
'gasPrice':
int(recommend_min_gas_price_to_confirm_in_time(5) * 10**9),
'value':
int(coupon.token.price_finney / 1000.0 * 10**18),
})
signed = w3.eth.account.signTransaction(tx, settings.KUDOS_PRIVATE_KEY)
txid = w3.eth.sendRawTransaction(signed.rawTransaction).hex()
with transaction.atomic():
kudos_transfer = KudosTransfer.objects.create(
emails=[request.user.email],
# For kudos, `token` is a kudos.models.Token instance.
kudos_token_cloned_from=coupon.token,
amount=0,
comments_public=coupon.comments_to_put_in_kudos_transfer,
ip=ip_address,
github_url='',
from_name=coupon.sender_profile.handle,
from_email='',
from_username=coupon.sender_profile.handle,
username=profile.handle,
network=coupon.token.contract.network,
from_address=settings.KUDOS_OWNER_ACCOUNT,
is_for_bounty_fulfiller=False,
metadata={'coupon_redemption': True},
recipient_profile=profile,
sender_profile=coupon.sender_profile,
txid=txid,
receive_txid=txid,
)
# save to DB
BulkTransferRedemption.objects.create(
coupon=coupon,
redeemed_by=profile,
ip_address=ip_address,
kudostransfer=kudos_transfer,
)
coupon.num_uses_remaining -= 1
coupon.current_uses += 1
title = f"Redeem AirDropped *{coupon.token.humanized_name}* Kudos"
desc = f"This Kudos has been AirDropped to you. About this Kudos: {coupon.token.description}"
params = {
'title': title,
'card_title': title,
'card_desc': desc,
'avatar_url': coupon.token.img_url,
'coupon': coupon,
'user': request.user,
'is_authed': request.user.is_authenticated,
'kudos_transfer': kudos_transfer,
}
return TemplateResponse(request, 'transaction/receive_bulk.html', params)
def redeem_bulk_coupon(coupon,
profile,
address,
ip_address,
save_addr=False,
submit_later=False,
exit_after_sending_tx=False,
max_gas_price_we_are_willing_to_pay_gwei=15):
try:
address = Web3.toChecksumAddress(address)
except:
error = "You must enter a valid Ethereum address (so we know where to send your Kudos). Please try again."
return None, error, None
# handle form submission
kudos_transfer = None
if save_addr:
profile.preferred_payout_address = address
profile.save()
private_key = settings.KUDOS_PRIVATE_KEY if not coupon.sender_pk else coupon.sender_pk
kudos_owner_address = settings.KUDOS_OWNER_ACCOUNT if not coupon.sender_address else coupon.sender_address
gas_price_confirmation_time = 1 if not coupon.sender_address else 60
gas_price_multiplier = 1.3 if not coupon.sender_address else 1
kudos_contract_address = Web3.toChecksumAddress(
settings.KUDOS_CONTRACT_MAINNET)
kudos_owner_address = Web3.toChecksumAddress(kudos_owner_address)
w3 = get_web3(coupon.token.contract.network)
contract = w3.eth.contract(Web3.toChecksumAddress(kudos_contract_address),
abi=kudos_abi())
nonce = w3.eth.getTransactionCount(kudos_owner_address)
gas_price = int(
int(
recommend_min_gas_price_to_confirm_in_time(
gas_price_confirmation_time) * 10**9) * gas_price_multiplier)
tx = contract.functions.clone(
address, coupon.token.token_id, 1).buildTransaction({
'nonce':
nonce,
'gas':
500000,
'gasPrice':
gas_price,
'value':
int(coupon.token.price_finney / 1000.0 * 10**18),
})
if not profile.is_brightid_verified and not profile.is_twitter_verified and not profile.trust_profile and profile.github_created_on > (
timezone.now() - timezone.timedelta(days=7)):
error = f'Your github profile is too new, so you cannot receive kudos. Please verifiy your profile on BrightID and/or Twitter to proceed.'
return None, error, None
else:
if profile.bulk_transfer_redemptions.filter(coupon=coupon).exists():
error = f'You have already redeemed this kudos.'
return None, error, None
signed = w3.eth.account.signTransaction(tx, private_key)
retry_later = False
tx_status = 'pending'
if submit_later:
txid = ''
tx_status = 'not_subed'
else:
try:
# TODO - in the future, override this if the user pays for expediated processing
if recommend_min_gas_price_to_confirm_in_time(
1) > max_gas_price_we_are_willing_to_pay_gwei:
if coupon.token.contract.network == 'mainnet':
raise Exception(
"gas price is too high. try again when its not pls"
)
txid = w3.eth.sendRawTransaction(signed.rawTransaction).hex()
except Exception as e:
txid = "pending_celery"
retry_later = True
if exit_after_sending_tx:
return txid, None, None
with transaction.atomic():
kudos_transfer = KudosTransfer.objects.create(
emails=[profile.email],
# For kudos, `token` is a kudos.models.Token instance.
kudos_token_cloned_from=coupon.token,
amount=coupon.token.price_in_eth,
comments_public=coupon.comments_to_put_in_kudos_transfer,
ip=ip_address,
github_url='',
from_name=coupon.sender_profile.handle,
from_email='',
from_username=coupon.sender_profile.handle,
username=profile.handle,
network=coupon.token.contract.network,
from_address=kudos_owner_address,
is_for_bounty_fulfiller=False,
metadata={
'coupon_redemption': True,
'nonce': nonce
},
recipient_profile=profile,
sender_profile=coupon.sender_profile,
txid=txid,
receive_txid=txid,
tx_status=tx_status,
receive_tx_status=tx_status,
receive_address=address,
)
# save to DB
BulkTransferRedemption.objects.create(
coupon=coupon,
redeemed_by=profile,
ip_address=ip_address,
kudostransfer=kudos_transfer,
)
coupon.num_uses_remaining -= 1
coupon.current_uses += 1
coupon.save()
# user actions
record_user_action(kudos_transfer.username, 'new_kudos',
kudos_transfer)
record_user_action(kudos_transfer.from_username, 'receive_kudos',
kudos_transfer)
record_kudos_activity(kudos_transfer, kudos_transfer.username,
'receive_kudos')
# send email
maybe_market_kudos_to_email(kudos_transfer)
if retry_later:
redeem_bulk_kudos.delay(kudos_transfer.id)
return True, None, kudos_transfer
def redeem_bulk_coupon(coupon, profile, address, ip_address, save_addr=False):
try:
address = Web3.toChecksumAddress(address)
except:
error = "You must enter a valid Ethereum address (so we know where to send your Kudos). Please try again."
return None, error, None
# handle form submission
kudos_transfer = None
if save_addr:
profile.preferred_payout_address = address
profile.save()
private_key = settings.KUDOS_PRIVATE_KEY if not coupon.sender_pk else coupon.sender_pk
kudos_owner_address = settings.KUDOS_OWNER_ACCOUNT if not coupon.sender_address else coupon.sender_address
gas_price_confirmation_time = 1 if not coupon.sender_address else 60
kudos_contract_address = Web3.toChecksumAddress(settings.KUDOS_CONTRACT_MAINNET)
kudos_owner_address = Web3.toChecksumAddress(kudos_owner_address)
w3 = get_web3(coupon.token.contract.network)
contract = w3.eth.contract(Web3.toChecksumAddress(kudos_contract_address), abi=kudos_abi())
nonce = w3.eth.getTransactionCount(kudos_owner_address)
tx = contract.functions.clone(address, coupon.token.token_id, 1).buildTransaction({
'nonce': nonce,
'gas': 500000,
'gasPrice': int(recommend_min_gas_price_to_confirm_in_time(gas_price_confirmation_time) * 10**9),
'value': int(coupon.token.price_finney / 1000.0 * 10**18),
})
if not profile.trust_profile and profile.github_created_on > (timezone.now() - timezone.timedelta(days=7)):
error = f'Your github profile is too new. Cannot receive kudos.'
return None, error, None
else:
signed = w3.eth.account.signTransaction(tx, private_key)
retry_later = False
try:
txid = w3.eth.sendRawTransaction(signed.rawTransaction).hex()
except Exception as e:
txid = "pending_celery"
retry_later = True
with transaction.atomic():
kudos_transfer = KudosTransfer.objects.create(
emails=[profile.email],
# For kudos, `token` is a kudos.models.Token instance.
kudos_token_cloned_from=coupon.token,
amount=coupon.token.price_in_eth,
comments_public=coupon.comments_to_put_in_kudos_transfer,
ip=ip_address,
github_url='',
from_name=coupon.sender_profile.handle,
from_email='',
from_username=coupon.sender_profile.handle,
username=profile.handle,
network=coupon.token.contract.network,
from_address=kudos_owner_address,
is_for_bounty_fulfiller=False,
metadata={'coupon_redemption': True, 'nonce': nonce},
recipient_profile=profile,
sender_profile=coupon.sender_profile,
txid=txid,
receive_txid=txid,
tx_status='pending',
receive_tx_status='pending',
)
# save to DB
BulkTransferRedemption.objects.create(
coupon=coupon,
redeemed_by=profile,
ip_address=ip_address,
kudostransfer=kudos_transfer,
)
coupon.num_uses_remaining -= 1
coupon.current_uses += 1
coupon.save()
# user actions
record_user_action(kudos_transfer.username, 'new_kudos', kudos_transfer)
record_user_action(kudos_transfer.from_username, 'receive_kudos', kudos_transfer)
# send email
maybe_market_kudos_to_email(kudos_transfer)
if retry_later:
from kudos.tasks import redeem_bulk_kudos
redeem_bulk_kudos.delay(kudos_transfer.id, signed.rawTransaction.hex())
return True, None, kudos_transfer
def redeem_bulk_kudos(self,
kt_id,
delay_if_gas_prices_gt_redeem=50,
override_gas_price=None,
send_notif_email=False,
override_lock_timeout=LOCK_TIMEOUT,
retry=False):
"""
:param self:
:param kt_id:
:return:
"""
try:
if True: # override for allowing many xdai minting; we can change this back later there is a race condition
# but for now the lock was providing more trouble than good - KO 10/20/2020
#with redis.lock("tasks:redeem_bulk_kudos:%s" % kt_id, timeout=override_lock_timeout):
multiplier = 1
# high gas prices, 5 hour gas limit - DL
gas_price = int(
float(recommend_min_gas_price_to_confirm_in_time(300)) *
multiplier)
if override_gas_price:
gas_price = override_gas_price
if gas_price > delay_if_gas_prices_gt_redeem:
# do not retry is gas prices are too high
# TODO: revisit this when gas prices go down
# self.retry(countdown=60*10)
return
if override_gas_price:
gas_price = override_gas_price * 10**9
obj = KudosTransfer.objects.get(pk=kt_id)
w3 = get_web3(obj.network)
token = obj.kudos_token_cloned_from
if token.owner_address.lower(
) != '0x6239FF1040E412491557a7a02b2CBcC5aE85dc8F'.lower():
raise Exception(
"kudos isnt owned by Gitcoin; cowardly refusing to spend Gitcoin's ETH minting it"
)
kudos_owner_address = settings.KUDOS_OWNER_ACCOUNT
kudos_owner_address = Web3.toChecksumAddress(kudos_owner_address)
contract_addr = settings.KUDOS_CONTRACT_MAINNET
if obj.network == 'xdai':
contract_addr = settings.KUDOS_CONTRACT_XDAI
if obj.network == 'rinkeby':
contract_addr = settings.KUDOS_CONTRACT_RINKEBY
kudos_contract_address = Web3.toChecksumAddress(contract_addr)
contract = w3.eth.contract(
Web3.toChecksumAddress(kudos_contract_address),
abi=kudos_abi())
nonce = w3.eth.getTransactionCount(kudos_owner_address)
tx = contract.functions.clone(
Web3.toChecksumAddress(obj.receive_address), token.token_id,
1).buildTransaction({
'nonce':
nonce,
'gas':
500000,
'gasPrice':
gas_price,
'value':
int(token.price_finney / 1000.0 * 10**18),
})
private_key = settings.KUDOS_PRIVATE_KEY
signed = w3.eth.account.signTransaction(tx, private_key)
obj.txid = w3.eth.sendRawTransaction(signed.rawTransaction).hex()
obj.receive_txid = obj.txid
obj.save()
while not has_tx_mined(obj.txid, obj.network):
time.sleep(1)
pass
if send_notif_email:
from_email = '*****@*****.**'
from_name = 'Kevin @ Gitcoin'
_to_email = obj.recipient_profile.email
subject = f"Your '{obj.kudos_token_cloned_from.name}' Kudos has been minted 🌈"
block_url = f'https://etherscan.io/tx/{obj.txid}'
if obj.network == 'xdai':
block_url = f'https://blockscout.com/poa/xdai/tx/{obj.txid}/internal-transactions'
body = f'''
Hello @{obj.recipient_profile.handle},
Back on {obj.created_on} you minted a '{obj.kudos_token_cloned_from.name}' Kudos, but the Ethereum network's gas fees were too high for us to mint it on-chain.
We're writing with good news. The gas prices on Ethereum have come down, and we are have now minted your token. You can now see the Kudos in your gitcoin profile ( https://gitcoin.co/{obj.recipient_profile.handle} ) or any blockchain wallet that connects to the {obj.network} network ( {block_url} ). HOORAY!
Party on,
Kevin + the Gitcoin team
'''
send_mail(from_email,
_to_email,
subject,
body,
from_name=from_name)
except (SoftTimeLimitExceeded, TimeLimitExceeded):
print('max timeout for bulk kudos redeem exceeded ... giving up!')
except Exception as e:
print(e)
if self.request.retries < self.max_retries:
self.retry(countdown=(30 * (self.request.retries + 1)))
else:
print("max retries for bulk kudos redeem exceeded ... giving up!")
kudos_contract_address = Web3.toChecksumAddress(
settings.KUDOS_CONTRACT_MAINNET)
if network == 'xdai':
kudos_contract_address = Web3.toChecksumAddress(
settings.KUDOS_CONTRACT_XDAI)
kudos_owner_address = Web3.toChecksumAddress(settings.KUDOS_OWNER_ACCOUNT)
nonce = w3.eth.getTransactionCount(kudos_owner_address)
token_id = kt.kudos_token_cloned_from.token_id
address = kt.receive_address
price_finney = kt.kudos_token_cloned_from.price_finney
try:
contract = w3.eth.contract(
Web3.toChecksumAddress(kudos_contract_address), abi=kudos_abi())
gasPrice = int(gas_multiplier * float(
recommend_min_gas_price_to_confirm_in_time(gas_clear_within_mins))
* 10**9)
if network == 'xdai':
gasPrice = 1 * 10**9
tx = contract.functions.clone(address, token_id, 1).buildTransaction({
'nonce':
nonce,
'gas':
500000,
'gasPrice':
gasPrice,
'value':
int(price_finney / 1000.0 * 10**18),
})
def redeem_bulk_kudos(self, kt_id, retry=False):
"""
:param self:
:param kt_id:
:return:
"""
with redis.lock("tasks:all_kudos_requests", timeout=LOCK_TIMEOUT):
with redis.lock("tasks:redeem_bulk_kudos:%s" % kt_id,
timeout=LOCK_TIMEOUT):
from dashboard.utils import has_tx_mined
from gas.utils import recommend_min_gas_price_to_confirm_in_time
try:
multiplier = 1
gas_price = int(
float(recommend_min_gas_price_to_confirm_in_time(1)) *
multiplier)
if gas_price > delay_if_gas_prices_gt:
self.retry(countdown=120)
return
obj = KudosTransfer.objects.get(pk=kt_id)
w3 = get_web3(obj.network)
token = obj.kudos_token_cloned_from
if token.owner_address.lower(
) != '0x6239FF1040E412491557a7a02b2CBcC5aE85dc8F'.lower():
raise Exception(
"kudos isnt owned by Gitcoin; cowardly refusing to spend Gitcoin's ETH minting it"
)
kudos_owner_address = settings.KUDOS_OWNER_ACCOUNT
kudos_owner_address = Web3.toChecksumAddress(
kudos_owner_address)
kudos_contract_address = Web3.toChecksumAddress(
settings.KUDOS_CONTRACT_MAINNET)
contract = w3.eth.contract(
Web3.toChecksumAddress(kudos_contract_address),
abi=kudos_abi())
nonce = w3.eth.getTransactionCount(kudos_owner_address)
tx = contract.functions.clone(
Web3.toChecksumAddress(obj.receive_address),
token.token_id, 1).buildTransaction({
'nonce':
nonce,
'gas':
500000,
'gasPrice':
gas_price,
'value':
int(token.price_finney / 1000.0 * 10**18),
})
private_key = settings.KUDOS_PRIVATE_KEY
signed = w3.eth.account.signTransaction(tx, private_key)
obj.txid = w3.eth.sendRawTransaction(
signed.rawTransaction).hex()
obj.receive_txid = obj.txid
obj.save()
while not has_tx_mined(obj.txid, obj.network):
time.sleep(1)
pass
except Exception as e:
print(e)
self.retry(countdown=(30 * (self.request.retries + 1)))
def receive_bulk_ethdenver(request, secret):
coupons = BulkTransferCoupon.objects.filter(secret=secret)
if not coupons.exists():
raise Http404
coupon = coupons.first()
kudos_transfer = ""
if coupon.num_uses_remaining <= 0:
messages.info(
request,
f'Sorry but this kudos redeem link has expired! Please contact the person who sent you the coupon link, or contact your nearest Gitcoin representative.'
)
return redirect(coupon.token.url)
error = False
if request.POST:
try:
address = Web3.toChecksumAddress(
request.POST.get('forwarding_address'))
except:
error = "You must enter a valid Ethereum address (so we know where to send your Kudos). Please try again."
if not error:
address = Web3.toChecksumAddress(
request.POST.get('forwarding_address'))
already_claimed = KudosTransfer.objects.filter(
receive_address=address, kudos_token_cloned_from=coupon.token)
if already_claimed.count() > 0:
messages.info(
request,
f'You already redeemed this kudos! If you think this wrong contact the ETHDenver Team!'
)
return redirect(coupon.token.url)
ip_address = get_ip(request)
kudos_contract_address = Web3.toChecksumAddress(
settings.KUDOS_CONTRACT_MAINNET)
kudos_owner_address = Web3.toChecksumAddress(
settings.KUDOS_OWNER_ACCOUNT)
w3 = get_web3(coupon.token.contract.network)
nonce = w3.eth.getTransactionCount(kudos_owner_address)
contract = w3.eth.contract(
Web3.toChecksumAddress(kudos_contract_address),
abi=kudos_abi())
tx = contract.functions.clone(
address, coupon.token.token_id, 1).buildTransaction({
'nonce':
nonce,
'gas':
500000,
'gasPrice':
int(recommend_min_gas_price_to_confirm_in_time(1) * 10**9),
'value':
int(coupon.token.price_finney / 1000.0 * 10**18),
})
try:
signed = w3.eth.account.signTransaction(
tx, settings.KUDOS_PRIVATE_KEY)
txid = w3.eth.sendRawTransaction(signed.rawTransaction).hex()
with transaction.atomic():
kudos_transfer = KudosTransfer.objects.create(
emails=["*****@*****.**"],
# For kudos, `token` is a kudos.models.Token instance.
kudos_token_cloned_from=coupon.token,
amount=coupon.token.price_in_eth,
comments_public=coupon.
comments_to_put_in_kudos_transfer,
ip=ip_address,
github_url='',
from_name=coupon.sender_profile.handle,
from_email='',
from_username=coupon.sender_profile.handle,
network=coupon.token.contract.network,
from_address=settings.KUDOS_OWNER_ACCOUNT,
receive_address=address,
is_for_bounty_fulfiller=False,
metadata={'coupon_redemption': True},
sender_profile=coupon.sender_profile,
txid=txid,
receive_txid=txid,
tx_status='pending',
receive_tx_status='pending',
)
coupon.num_uses_remaining -= 1
coupon.current_uses += 1
coupon.save()
except:
error = "Could not redeem your kudos. Please try again soon."
title = f"Redeem ETHDenver event kudos: *{coupon.token.humanized_name}*"
desc = f"Thank you for joining the event! About this Kudos: {coupon.token.description}"
params = {
'title': title,
'card_title': title,
'card_desc': desc,
'error': error,
'avatar_url': coupon.token.img_url,
'coupon': coupon,
'user': request.user,
'is_authed': request.user.is_authenticated,
'kudos_transfer': kudos_transfer,
}
return TemplateResponse(request, 'ethdenver2019/receive_bulk.html', params)
def re_send_kudos_transfer(kt, override_with_xdai_okay):
from dashboard.utils import get_web3, has_tx_mined
from gas.utils import recommend_min_gas_price_to_confirm_in_time
from kudos.utils import kudos_abi
from web3 import Web3
from kudos.models import KudosTransfer
from django.utils import timezone
gas_clear_within_mins = 1
gas_multiplier = 1.2
if not kt.kudos_token_cloned_from.is_owned_by_gitcoin:
print(f'{kt.id} => not owned by gitcoin')
return
network = kt.network
if network == 'mainnet':
if kt.kudos_token_cloned_from.on_xdai and override_with_xdai_okay:
network = 'xdai'
kt.network = 'xdai'
kt.kudos_token_cloned_from = kt.kudos_token_cloned_from.on_xdai
kt.save()
w3 = get_web3(network)
kudos_contract_address = Web3.toChecksumAddress(
settings.KUDOS_CONTRACT_MAINNET)
if network == 'xdai':
kudos_contract_address = Web3.toChecksumAddress(
settings.KUDOS_CONTRACT_XDAI)
kudos_owner_address = Web3.toChecksumAddress(settings.KUDOS_OWNER_ACCOUNT)
nonce = w3.eth.getTransactionCount(kudos_owner_address)
token_id = kt.kudos_token_cloned_from.token_id
address = kt.receive_address
if not address:
address = kt.recipient_profile.preferred_payout_address
if not address:
address = kt.recipient_profile.last_observed_payout_address
price_finney = kt.kudos_token_cloned_from.price_finney
try:
contract = w3.eth.contract(
Web3.toChecksumAddress(kudos_contract_address), abi=kudos_abi())
gasPrice = int(gas_multiplier * float(
recommend_min_gas_price_to_confirm_in_time(gas_clear_within_mins))
* 10**9)
if network == 'xdai':
gasPrice = 1 * 10**9
tx = contract.functions.clone(Web3.toChecksumAddress(address),
token_id, 1).buildTransaction({
'nonce':
nonce,
'gas':
500000,
'gasPrice':
gasPrice,
'value':
int(price_finney / 1000.0 * 10**18),
})
signed = w3.eth.account.signTransaction(tx, settings.KUDOS_PRIVATE_KEY)
txid = w3.eth.sendRawTransaction(signed.rawTransaction).hex()
nonce += 1
print(f'sent tx nonce:{nonce} for kt:{kt.id} on {network}')
kt.txid = txid
kt.receive_txid = txid
kt.tx_status = 'pending'
kt.receive_tx_status = 'pending'
kt.network = network
kt.tx_time = timezone.now()
kt.receive_tx_time = timezone.now()
kt.save()
return txid
except Exception as e:
print(e)
error = "Could not redeem your kudos. Please try again soon."
return None
kudos_owner_address = Web3.toChecksumAddress(settings.KUDOS_OWNER_ACCOUNT)
nonce = w3.eth.getTransactionCount(kudos_owner_address)
# pk range to re-send
min_pk = 1684
max_pk = 1740
TIME_SLEEP = 1
for kt in KudosTransfer.objects.filter(pk__gte=min_pk, pk__lte=max_pk):
token_id = kt.kudos_token_cloned_from.token_id
address = kt.receive_address
price_finney = kt.kudos_token_cloned_from.price_finney
contract = w3.eth.contract(Web3.toChecksumAddress(kudos_contract_address),
abi=kudos_abi())
tx = contract.functions.clone(address, token_id, 1).buildTransaction({
'nonce':
nonce,
'gas':
500000,
'gasPrice':
int(recommend_min_gas_price_to_confirm_in_time(2) * 10**9),
'value':
int(price_finney / 1000.0 * 10**18),
})
signed = w3.eth.account.signTransaction(tx, settings.KUDOS_PRIVATE_KEY)
time.sleep(TIME_SLEEP)
try:
