def render_POST(self, request: Request) -> Any:
""" POST request for /thin_wallet/send_tokens/
We expect 'tx_hex' as request args
'tx_hex': serialized tx in hexadecimal
We return success (bool)
:rtype: string (json)
"""
request.setHeader(b'content-type', b'application/json; charset=utf-8')
set_cors(request, 'POST')
# Validating if we still have unused threads to solve the pow
if len(self.manager.pow_thread_pool.working
) == settings.MAX_POW_THREADS:
return self.return_POST(
False,
'The server is currently fully loaded to send tokens. Wait a moment and try again, please.'
)
post_data = json.loads(request.content.read().decode('utf-8'))
tx_hex = post_data['tx_hex']
try:
tx = tx_or_block_from_bytes(bytes.fromhex(tx_hex))
except struct.error:
return self.return_POST(
False, 'Error parsing hexdump to create the transaction')
assert isinstance(tx, Transaction)
# Set tx storage
tx.storage = self.manager.tx_storage
# If this tx is a double spending, don't even try to propagate in the network
is_double_spending = tx.is_double_spending()
if is_double_spending:
data = {
'success':
False,
'message':
'Invalid transaction. At least one of your inputs has already been spent.'
}
return json.dumps(data, indent=4).encode('utf-8')
request.should_stop_mining_thread = False
if settings.SEND_TOKENS_STRATUM and self.manager.stratum_factory:
self._render_POST_stratum(tx, request)
else:
self._render_POST(tx, request)
request.notifyFinish().addErrback(self._responseFailed, request)
from twisted.web.server import NOT_DONE_YET
return NOT_DONE_YET
def _redirectOrJSON(result, request: http.Request, url: urlpath.URLPath, data):
try:
if request.getHeader('x-requested-with') == 'XMLHttpRequest':
request.write(json.dumps(data).encode('utf-8'))
if not request.notifyFinish().called:
request.finish()
return
except:
pass
request.redirect(str(url).encode('ascii'))
request.finish()
