CL-BC: A Secure Data Storage Model for Social Networks

Algorithm 2

StoEvidence().

	Input: ASK
	Output: DecisionResult
(1)	def ← ASK;
(2)	if ← True;
(3)	Stored TradPool();
(4)	if Add ∈ ACL then
(5)	Resp ← Auth();
(6)	if Resp = = “YES” then
(7)	return string(“Store successful!”);
(8)	Broadcast event UpdateWorldState();
(9)	{} ← {} − ;
(10)	else if Resp = = “NO” then
(11)	return string(“The request failed.”);
(12)	else return string(“No response!”);
(13)	end if;
(14) else then
(15)	return string(“ERROR”);
(16)	end if;