def render_GET(self, request):
""" Get request /decode_tx/ that returns the tx decoded, if success
Expects 'hex_tx' as GET parameter
:rtype: string (json)
"""
request.setHeader(b'content-type', b'application/json; charset=utf-8')
set_cors(request, 'GET')
parsed = parse_get_arguments(request.args, ARGS)
if not parsed['success']:
return get_missing_params_msg(parsed['missing'])
try:
tx_bytes = bytes.fromhex(parsed['args']['hex_tx'])
tx = tx_or_block_from_bytes(tx_bytes)
tx.storage = self.manager.tx_storage
data = get_tx_extra_data(tx)
except ValueError:
data = {'success': False, 'message': 'Invalid hexadecimal data'}
except struct.error:
data = {'success': False, 'message': 'Could not decode transaction'}
return json.dumps(data, indent=4).encode('utf-8')
def render_GET(self, request):
""" Get request to /dashboard-tx/ that return a list of blocks and tx
We expect two GET parameters: 'block' and 'tx'
'block': int that indicates de quantity of blocks I should return
'tx': int that indicates de quantity of tx I should return
:rtype: string (json)
"""
request.setHeader(b'content-type', b'application/json; charset=utf-8')
set_cors(request, 'GET')
parsed = parse_get_arguments(request.args, ARGS)
if not parsed['success']:
return get_missing_params_msg(parsed['missing'])
# Get quantity for each
try:
block_count = int(parsed['args']['block'])
except ValueError:
return json.dumps({
'success':
False,
'message':
'Invalid parameter, cannot convert to int: block'
}).encode('utf-8')
try:
tx_count = int(parsed['args']['tx'])
except ValueError:
return json.dumps({
'success':
False,
'message':
'Invalid parameter, cannot convert to int: tx'
}).encode('utf-8')
# Restrict counts
block_count = min(block_count, settings.MAX_DASHBOARD_COUNT)
tx_count = min(tx_count, settings.MAX_DASHBOARD_COUNT)
transactions, _ = self.manager.tx_storage.get_newest_txs(
count=tx_count)
serialized_tx = [tx.to_json_extended() for tx in transactions]
blocks, _ = self.manager.tx_storage.get_newest_blocks(
count=block_count)
serialized_blocks = [block.to_json_extended() for block in blocks]
data = {
'success': True,
'transactions': serialized_tx,
'blocks': serialized_blocks,
}
return json.dumps(data, indent=4).encode('utf-8')
def render_GET(self, request):
""" Get request to /tips-histogram/ that return the number of tips between two timestamp
We expect two GET parameters: 'begin' and 'end'
'begin': int that indicates the beginning of the interval
'end': int that indicates the end of the interval
:rtype: string (json)
"""
request.setHeader(b'content-type', b'application/json; charset=utf-8')
set_cors(request, 'GET')
parsed = parse_get_arguments(request.args, ARGS)
if not parsed['success']:
return json.dumps({
'success':
False,
'message':
'Missing parameter: {}'.format(parsed['missing'])
}).encode('utf-8')
args = parsed['args']
# Get quantity for each
try:
begin = int(args['begin'])
except ValueError:
return json.dumps({
'success':
False,
'message':
'Invalid parameter, cannot convert to int: begin'
}).encode('utf-8')
try:
end = int(args['end'])
except ValueError:
return json.dumps({
'success':
False,
'message':
'Invalid parameter, cannot convert to int: end'
}).encode('utf-8')
v = []
for timestamp in range(begin, end + 1):
tx_tips = self.manager.tx_storage.get_tx_tips(timestamp)
v.append((timestamp, len(tx_tips)))
return json.dumps({'success': True, 'tips': v}).encode('utf-8')
def render_GET(self, request: 'Request') -> bytes:
""" Get request /block_at_height/ that returns a block at height in parameter
'height': int, the height of block to get
:rtype: string (json)
"""
assert self.manager.tx_storage.indexes is not None
request.setHeader(b'content-type', b'application/json; charset=utf-8')
set_cors(request, 'GET')
# Height parameter is required
parsed = parse_get_arguments(request.args, ['height'])
if not parsed['success']:
return get_missing_params_msg(parsed['missing'])
args = parsed['args']
# Height parameter must be an integer
try:
height = int(args['height'])
except ValueError:
return json.dumps({
'success':
False,
'message':
'Invalid \'height\' parameter, expected an integer'
}).encode('utf-8')
# Get hash of the block with the height
block_hash = self.manager.tx_storage.indexes.height.get(height)
# If there is no block in the index with this height, block_hash will be None
if block_hash is None:
return json.dumps({
'success':
False,
'message':
'No block with height {}.'.format(height)
}).encode('utf-8')
block = self.manager.tx_storage.get_transaction(block_hash)
data = {'success': True, 'block': block.to_json_extended()}
return json.dumps(data, indent=4).encode('utf-8')
def render_GET(self, request: Request) -> bytes:
""" GET request for /push_tx/
Expects 'hex_tx' as args parameter that is the hex representation of the whole tx
:rtype: string (json)
This resource will be deprecated soon
"""
request.setHeader(b'content-type', b'application/json; charset=utf-8')
set_cors(request, 'GET')
parsed = parse_get_arguments(request.args, ARGS)
if not parsed['success']:
data = {
'success': False,
'message': 'Missing hexadecimal data',
'can_force': False
}
return json_dumpb(data)
data = parsed['args']
data['force'] = b'force' in request.args and request.args[b'force'][
0].decode('utf-8') == 'true'
return self.handle_push_tx(data)
def get_list_tx(self, request):
""" Get parameter from request.args and return list of blocks/txs
'type': 'block' or 'tx', to indicate if we should return a list of blocks or tx
'count': int, to indicate the quantity of elements we should return
'hash': string, the hash reference we are in the pagination
'timestamp': int, the timestamp reference we are in the pagination
'page': 'previous' or 'next', to indicate if the user wants after or before the hash reference
"""
parsed = parse_get_arguments(request.args, GET_LIST_ARGS)
if not parsed['success']:
return get_missing_params_msg(parsed['missing'])
args = parsed['args']
error = None
try:
count = min(int(args['count']), settings.MAX_TX_COUNT)
except ValueError:
error = {'success': False, 'message': 'Invalid \'count\' parameter, expected an integer'}
type_tx = args['type']
if type_tx != 'tx' and type_tx != 'block':
error = {'success': False, 'message': 'Invalid \'type\' parameter, expected \'block\' or \'tx\''}
if error:
return json.dumps(error).encode('utf-8')
ref_hash = None
page = ''
if b'hash' in request.args:
ref_hash = request.args[b'hash'][0].decode('utf-8')
parsed = parse_get_arguments(request.args, ['timestamp', 'page'])
if not parsed['success']:
return get_missing_params_msg(parsed['missing'])
try:
ref_timestamp = int(parsed['args']['timestamp'])
except ValueError:
return json.dumps({
'success': False,
'message': 'Invalid \'timestamp\' parameter, expected an integer'
}).encode('utf-8')
page = parsed['args']['page']
if page != 'previous' and page != 'next':
return json.dumps({
'success': False,
'message': 'Invalid \'page\' parameter, expected \'previous\' or \'next\''
}).encode('utf-8')
if type_tx == 'block':
if page == 'previous':
elements, has_more = self.manager.tx_storage.get_newer_blocks_after(
ref_timestamp, bytes.fromhex(ref_hash), count)
else:
elements, has_more = self.manager.tx_storage.get_older_blocks_after(
ref_timestamp, bytes.fromhex(ref_hash), count)
else:
if page == 'previous':
elements, has_more = self.manager.tx_storage.get_newer_txs_after(
ref_timestamp, bytes.fromhex(ref_hash), count)
else:
elements, has_more = self.manager.tx_storage.get_older_txs_after(
ref_timestamp, bytes.fromhex(ref_hash), count)
else:
if type_tx == 'block':
elements, has_more = self.manager.tx_storage.get_newest_blocks(count=count)
else:
elements, has_more = self.manager.tx_storage.get_newest_txs(count=count)
serialized = [element.to_json_extended() for element in elements]
data = {'transactions': serialized, 'has_more': has_more}
return json.dumps(data, indent=4).encode('utf-8')
def render_GET(self, request: Request) -> bytes:
""" GET request for /thin_wallet/token_history/
Expects as GET parameter of the queried token:
- 'id': uid of token whose history is being requested
- 'count': int, to indicate the quantity of elements we should return
- 'hash': string, the hash reference we are in the pagination
- 'timestamp': int, the timestamp reference we are in the pagination
- 'page': 'previous' or 'next', to indicate if the user wants after or before the hash reference
:rtype: string (json)
"""
request.setHeader(b'content-type', b'application/json; charset=utf-8')
set_cors(request, 'GET')
if not self.manager.tx_storage.tokens_index:
request.setResponseCode(503)
return json.dumps({'success': False}).encode('utf-8')
parsed = parse_get_arguments(request.args, ARGS)
if not parsed['success']:
return get_missing_params_msg(parsed['missing'])
if b'id' not in request.args:
return get_missing_params_msg('id')
try:
token_uid = bytes.fromhex(parsed['args']['id'])
except (ValueError, AttributeError):
return json.dumps({'success': False, 'message': 'Invalid token id'}).encode('utf-8')
try:
count = min(int(parsed['args']['count']), settings.MAX_TX_COUNT)
except ValueError:
return json.dumps({
'success': False,
'message': 'Invalid \'count\' parameter, expected an int'
}).encode('utf-8')
if b'hash' in request.args:
parsed = parse_get_arguments(request.args, ['timestamp', 'page', 'hash'])
if not parsed['success']:
return get_missing_params_msg(parsed['missing'])
try:
hash_bytes = bytes.fromhex(parsed['args']['hash'])
except ValueError:
return json.dumps({
'success': False,
'message': 'Invalid \'hash\' parameter, could not decode hexadecimal'
}).encode('utf-8')
page = parsed['args']['page']
if page != 'previous' and page != 'next':
return json.dumps({
'success': False,
'message': 'Invalid \'page\' parameter, expected \'previous\' or \'next\''
}).encode('utf-8')
try:
ref_timestamp = int(parsed['args']['timestamp'])
except ValueError:
return json.dumps({
'success': False,
'message': 'Invalid \'timestamp\' parameter, expected an int'
}).encode('utf-8')
if page == 'previous':
elements, has_more = self.manager.tx_storage.tokens_index.get_newer_transactions(
token_uid, ref_timestamp, hash_bytes, count)
else:
elements, has_more = self.manager.tx_storage.tokens_index.get_older_transactions(
token_uid, ref_timestamp, hash_bytes, count)
else:
elements, has_more = self.manager.tx_storage.tokens_index.get_newest_transactions(token_uid, count)
transactions = [self.manager.tx_storage.get_transaction(element) for element in elements]
serialized = [tx.to_json_extended() for tx in transactions]
data = {
'success': True,
'transactions': serialized,
'has_more': has_more,
}
return json.dumps(data).encode('utf-8')
