def check_if_valid(trans : Transaction) -> bool:
if trans.prove_signature() is False:
# Singature wrong
return False
if test_inside_open_transactions(trans) or test_inside_current_block(trans):
# Trans sender got a Trans already in open state
return False
if test_generel_formal(trans) is False:
return False
if test_trans_id(trans) is False:
return False
if trans.op_name == "account_creation":
if test_account_creation(trans).result() is False:
return False
elif trans.op_name == "account_setting":
if test_account_setting(trans).result() is False:
return False
elif trans.op_name == "transfer":
if test_transfer(trans).result() is False:
return False
elif trans.op_name == "set_friend":
if test_set_friend(trans).result() is False:
return False
else:
return False
return True
def post_transaction():
if not "sender" in request.json or not "op" in request.json:
return jsonify({
"status": "error",
"info": "no sender/operation is given"
}), 400
if not "data" in request.json or not "signature" in request.json:
return jsonify({
"status": "error",
"info": "no data/signature is given"
}), 400
if not "id" in request.json or not "timestamp" in request.json:
return jsonify({
"status": "error",
"info": "no id/timestamp is given"
}), 400
sender = request.json["sender"]
data = request.json["data"]
timestamp = request.json["timestamp"]
id = request.json["id"]
op_name = request.json["op"]
signature = request.json["signature"]
trans = Transaction(sender,
id,
op_name,
data,
signature,
timestamp=timestamp)
if trans.prove_signature() is False:
return jsonify({"status": "error", "info": "Signature is wrong"}), 400
if check_if_valid(trans) is False:
return jsonify({
"status": "error",
"info": "Transaction is invalid"
}), 400
statics.OPEN_TRANSACTIONS.append(trans)
return jsonify({"status": "ok"}), 200