def post_addresses_transactions(addresses_hash):
# Start must be declared None, in case that start doesn't
# exist in the post body
start = None
if not check_if_address_post_key_is_valid(addresses_hash):
return "Bad post request", 400
addresses_hash_no_json = addresses_hash['addresses']
for address_hash in addresses_hash_no_json:
if not validate_address(address_hash):
return "Invalid address hash", 400
if 'start' in addresses_hash:
start = addresses_hash['start']
if start and (not isinstance(start, int)):
return "Start too large", 400
trs = db.post_addresses_transactions(addresses_hash_no_json,
start,
limit=50)
if len(trs) == 50:
last_transaction = trs[len(trs) - 1]
return {
"transactions": [TransactionSerializer.to_web(tr) for tr in trs],
"next": last_transaction['blocktime']
}
else:
return {
"transactions": [TransactionSerializer.to_web(tr) for tr in trs],
"next": None
}
def get_transaction_by_txid(txid):
if not validate_sha256_hash(txid):
return "Invalid transaction ID", 400
try:
return TransactionSerializer.to_web(db.get_transaction_by_txid(txid))
except KeyError:
return "Transaction with given ID not found", 404
def get_transactions_by_blockhash(blockhash):
if not validate_sha256_hash(blockhash):
return "Invalid block hash", 400
try:
return [
TransactionSerializer.to_web(tr)
for tr in db.get_transactions_by_blockhash(blockhash)
]
except KeyError:
return []
def get_address_transactions(address_hash, start=None):
if start and (not isinstance(start, int)):
return "Start too large", 400
if not validate_address(address_hash):
return "Invalid address hash", 400
trs = db.get_address_transactions(address_hash, start, limit=51)
if len(trs) == 51:
last_transaction = trs[len(trs) - 1]
return {
"transactions": [TransactionSerializer.to_web(tr) for tr in trs],
"next":
"/addresses/%s?start=%s" %
(address_hash, last_transaction['blocktime'])
}
else:
return {
"transactions": [TransactionSerializer.to_web(tr) for tr in trs],
"next": None
}
def get_latest_transactions(limit, offset):
if not isinstance(offset, int):
return "Offset too large", 400
transactions = db.get_latest_transactions(limit, offset)
return [TransactionSerializer.to_web(tr) for tr in transactions]
