def find_txn_on_sia_explorer(fulfillment):
token_name = fulfillment.token_name
funderAddress = fulfillment.funder_address
amount = fulfillment.payout_amount
if token_name != 'SC':
return None
url = f'{BASE_URL}/hash/{funderAddress}'
response = requests.get(url).json()
if response:
last100_txns = response[1]['last100Transactions']
if response[0]['Type'] == 'address' and last100_txns:
for txn in last100_txns:
if (
txn['TxType'] == 'ScTx'
and txn['ScChange'] < 0
and abs(txn['ScChange']) / 10 ** 24 == amount / 10 ** 24
and not txn_already_used(txn['MasterHash'], token_name)
):
return txn
return None
def find_txn_on_harmony_explorer(fulfillment):
token_name = fulfillment.token_name
funderAddress = fulfillment.bounty.bounty_owner_address
amount = fulfillment.payout_amount
payeeAddress = fulfillment.fulfiller_address
if token_name != 'ONE':
return None
url = f'https://explorer.harmony.one:8888/address?id={payeeAddress}&pageIndex=0&pageSize=20'
response = requests.get(url).json()
if (
response and
'address' in response and
'shardData' in response['address']
):
for shard in response['address']['shardData']:
for tx in shard['txs']:
if (
tx['from'] == funderAddress.lower() and
tx['to'] == payeeAddress.lower() and
tx['value'] == float(amount) * 10 ** 18 and
not txn_already_used(tx['hash'], token_name)
):
return tx
return None
def find_txn_on_filecoin_explorer(fulfillment):
token_name = fulfillment.token_name
payeeAddress = fulfillment.fulfiller_address
if token_name != 'FIL':
return None
url = 'https://api.filscan.io:8700/rpc/v1'
data = {
"id":
1,
"jsonrpc":
"2.0",
"params": [{
"address": payeeAddress,
"offset_range": {
"start": 0,
"count": 25
}
}],
"method":
"filscan.MessageByAddress"
}
response = requests.post(url, headers=headers,
data=json.dumps(data)).json()
if (response and 'result' in response and 'data' in response['result']):
for txn in response['result']['data']:
if (isValidTxn(fulfillment, txn) == 'success'
and not txn_already_used(txn['cid'], token_name)):
return txn
return None
def find_txn_on_btc_explorer(fulfillment, network='mainnet'):
funderAddress = fulfillment.bounty.bounty_owner_address
token = Token.objects.filter(symbol='BTC').first()
decimal = token.decimals if token else 8
amount = fulfillment.payout_amount * 10**decimal
payeeAddress = fulfillment.fulfiller_address
n = Net(provider='Blockstream', network=network)
txlist = n.txs(funderAddress)
# validate BTC address
is_valid = validate.is_valid_address(funderAddress)
if is_valid == False:
logger.error(f'error: invalid BTC address - {funderAddress}')
else:
if network == 'mainnet':
blockstream_url = 'https://blockstream.info/api/tx/'
else:
blockstream_url = 'https://blockstream.info/testnet/api/tx/'
if txlist != []:
for txn in txlist:
blockstream_response = requests.get(blockstream_url +
txn).json()
if (blockstream_response['vin'][0]['prevout']
['scriptpubkey_address'] == str(funderAddress) and
blockstream_response['vout'][0]['scriptpubkey_address']
== str(payeeAddress)
and float(blockstream_response['vout'][0]['value'])
== float(amount) and not txn_already_used(txn, 'BTC')):
return txn
return None
def get_harmony_txn_status(fulfillment):
txnid = fulfillment.payout_tx_id
token_name = fulfillment.token_name
funderAddress = fulfillment.funder_address
amount = fulfillment.payout_amount
payeeAddress = fulfillment.fulfiller_address
if token_name != 'ONE':
return None
if not txnid or txnid == "0x0":
return None
url = f'https://explorer.harmony.one:8888/tx?id={txnid}'
response = requests.get(url).json()
if (response and 'tx' in response):
tx = response['tx']
if 'err' in tx:
return 'expired'
if (
tx['from'] == funderAddress.lower() and
tx['to'] == payeeAddress.lower() and
tx['value'] == float(amount) * 10 ** 18 and
not txn_already_used(tx['hash'], token_name)
):
if tx['status'] == 'SUCCESS':
return 'success'
return None
def get_algorand_txn_status(fulfillment):
txnid = fulfillment.payout_tx_id
token_name = fulfillment.token_name
funderAddress = fulfillment.bounty.bounty_owner_address
payeeAddress = fulfillment.fulfiller_address
amount = fulfillment.payout_amount
url = f'https://api.algoexplorer.io/v2/transactions/pending/{txnid}?format=json'
response = requests.get(url).json()
if response:
if response.get('confirmed-round') and response.get('txn') and response.get('txn').get('txn'):
txn = response["txn"]['txn']
if not response["pool-error"] == "":
return None
# asset / algo token
rcv = txn['rcv'] if txn.get('rcv') else txn['arcv']
amt = txn['amt'] if txn.get('amt') else txn['aamt']
if (
txn['snd'].lower() == funderAddress.lower() and
rcv.lower() == payeeAddress.lower() and
float(float(amt)/ 10**6) == float(amount) and
not txn_already_used(txnid, token_name)
):
return 'success'
elif response.get('message') and API_KEY != '':
# txn is too old and cannot be found on algoexplorer
return get_algorand_txn_status_paid_explorer(fulfillment)
def get_algorand_txn_status_paid_explorer(fulfillment):
txnid = fulfillment.payout_tx_id
token_name = fulfillment.token_name
funderAddress = fulfillment.bounty.bounty_owner_address
payeeAddress = fulfillment.fulfiller_address
amount = fulfillment.payout_amount
headers = {
'accept': 'application/json',
'x-api-key': API_KEY
}
url = f'https://mainnet-algorand.api.purestake.io/idx2/v2/transactions/{txnid}'
response = requests.get(url=url, headers=headers).json()
if response:
if response.get("current-round") and response.get("transaction"):
txn = response["transaction"]
# asset / algo token
payment_txn = txn['payment-transaction'] if txn.get('payment-transaction') else txn['asset-transfer-transaction']
if (
txn['confirmed-round'] > 0 and
txn['sender'].lower() == funderAddress.lower() and
payment_txn['receiver'].lower() == payeeAddress.lower() and
float(float(payment_txn['amount'])/ 10**6) == float(amount) and
not txn_already_used(txnid, token_name)
):
return 'success'
return None
def get_rsk_txn_status(fulfillment):
txnid = fulfillment.payout_tx_id
token_name = fulfillment.token_name
funderAddress = fulfillment.bounty.bounty_owner_address
payeeAddress = fulfillment.fulfiller_address
# amount = fulfillment.payout_amount
if token_name not in ['RBTC', 'RDOC', 'DOC', 'RIF', 'SOV']:
return None
if not txnid or txnid == "0x0":
return None
url = f'https://blockscout.com/rsk/mainnet/api?module=transaction&action=gettxinfo&txhash={txnid}'
response = requests.get(url).json()
if response['status'] and response['result']:
txn = response['result']
to_address_match = txn['to'] == payeeAddress.lower(
) if token_name == 'RBTC' else True
if (txn['from'] == funderAddress.lower() and to_address_match and
# float(txn['value']) == float(amount * 10 ** 18) and
not txn_already_used(txn['hash'], token_name)
and int(txn['confirmations']) > 0):
if txn['success']:
return 'success'
return 'expired'
return None
def find_txn_on_rsk_explorer(fulfillment):
token_name = fulfillment.token_name
funderAddress = fulfillment.bounty.bounty_owner_address
# amount = fulfillment.payout_amount
payeeAddress = fulfillment.fulfiller_address
if token_name not in ['RBTC', 'RDOC', 'DOC', 'RIF', 'SOV']:
return None
url = f'https://blockscout.com/rsk/mainnet/api?module=account&action=txlist&address={funderAddress}'
response = requests.get(url).json()
if response['message'] and response['result']:
for txn in response['result']:
to_address_match = txn['to'] == payeeAddress.lower() if token_name == 'RBTC' else True
if (
txn['from'] == funderAddress.lower() and
to_address_match and
# float(txn['value']) == float(amount * 10 ** 18) and
not txn_already_used(txn['hash'], token_name)
):
return txn
return None
def find_txn_on_etc_explorer(fulfillment, network='mainnet'):
token_name = fulfillment.token_name
if token_name != 'ETC':
return None
funderAddress = fulfillment.bounty.bounty_owner_address
amount = fulfillment.payout_amount
payeeAddress = fulfillment.fulfiller_address
blockscout_url = f'https://blockscout.com/etc/{network}/api?module=account&action=txlist&address={funderAddress}'
blockscout_response = requests.get(blockscout_url).json()
if blockscout_response['message'] and blockscout_response['result']:
for txn in blockscout_response['result']:
if (txn['from'] == funderAddress.lower()
and txn['to'] == payeeAddress.lower()
and float(txn['value']) == float(amount)
and not txn_already_used(txn['hash'], token_name)):
return txn
return None
def find_txn_on_zil_explorer(fulfillment, network='mainnet'):
token_name = fulfillment.token_name
if token_name != 'ZIL':
return None
funderAddress = fulfillment.bounty.bounty_owner_address
amount = fulfillment.payout_amount
payeeAddress = fulfillment.fulfiller_address
url = f'https://api.viewblock.io/v1/zilliqa/addresses/{funderAddress}/txs?network={network}'
response = requests.get(url, headers=headers).json()
if len(response):
for txn in response:
if (txn['from'] == funderAddress.lower()
and txn['to'] == payeeAddress.lower()
and txn['direction'] == 'out'
and float(txn['value']) == float(amount)
and not txn_already_used(txn['hash'], token_name)):
return txn
return None
def find_txn_on_celo_explorer(fulfillment, network='mainnet'):
token_name = fulfillment.token_name
if token_name != 'cGLD' and token_name != 'cUSD':
return None
funderAddress = fulfillment.bounty.bounty_owner_address
amount = fulfillment.payout_amount
payeeAddress = fulfillment.fulfiller_address
# TODO: UPDATE WITH MAINNET URL. Using alfajores until then
blockscout_url = f'https://alfajores-blockscout.celo-testnet.org/api?module=account&action=tokentx&address={funderAddress}'
blockscout_response = requests.get(blockscout_url).json()
if blockscout_response['message'] and blockscout_response['result']:
for txn in blockscout_response['result']:
if (txn['from'] == funderAddress.lower()
and txn['to'] == payeeAddress.lower()
and float(txn['value']) == float(amount)
and not txn_already_used(txn['hash'], token_name)):
return txn
return None
def find_txn_on_tezos_explorer(fulfillment):
token_name = fulfillment.token_name
funderAddress = fulfillment.funder_address
payeeAddress = fulfillment.fulfiller_address
amount = fulfillment.payout_amount
txnid = fulfillment.payout_txid
if token_name != 'XTZ':
return None
url = f'{BASE_URL}/accounts/{funderAddress}'
response = requests.get(url).json()
if response:
for txn in response['operations']:
if (txn['type'] == 'transaction' and txn['hash'].strip() == txnid
and txn['sender']['address'] == funderAddress
and txn['target']['address'] == payeeAddress
and txn['amount'] == float(amount) * 10**6
and not txn_already_used(txn['hash'], token_name)):
return txn
return None
def find_txn_on_celo_explorer(fulfillment, network='mainnet'):
token_name = fulfillment.token_name
if token_name != 'cUSD' and token_name != 'CELO':
return None
funderAddress = fulfillment.bounty.bounty_owner_address
token = Token.objects.filter(symbol=token_name).first()
decimal = token.decimals if token else 18
amount = fulfillment.payout_amount * 10**decimal
payeeAddress = fulfillment.fulfiller_address
blockscout_url = f'https://explorer.celo.org/api?module=account&action=tokentx&address={funderAddress}'
blockscout_response = requests.get(blockscout_url).json()
if blockscout_response['message'] and blockscout_response['result']:
for txn in blockscout_response['result']:
if (txn['from'] == funderAddress.lower()
and txn['to'] == payeeAddress.lower()
and float(txn['value']) == float(amount)
and not txn_already_used(txn['hash'], token_name)):
return txn
return None
def find_txn_on_btc_explorer(fulfillment, network='mainnet'):
funderAddress = fulfillment.bounty.bounty_owner_address
amount = fulfillment.payout_amount
payeeAddress = fulfillment.fulfiller_address
n = Net(provider='Blockstream', network=network)
txlist = n.txs(funderAddress)
if network == 'mainnet':
blockstream_url = 'https://blockstream.info/api/tx/'
else:
blockstream_url = 'https://blockstream.info/testnet/api/tx/'
if txlist != []:
for txn in txlist:
blockstream_response = requests.get(blockstream_url + txn).json()
if (blockstream_response['vin'][0]['prevout']
['scriptpubkey_address'] == str(funderAddress)
and blockstream_response['vout'][0]['scriptpubkey_address']
== str(payeeAddress)
and float(blockstream_response['vout'][0]['value'])
== float(amount) and not txn_already_used(txn, 'BTC')):
return txn
return None
