In fact this is mentioned in the O.R. Series 1, Volume 1, Part 1, along with the fact that the Confederate authorities knew about the planned reenforcement fleet for Forts Sumter and Pickens just two days after Lincoln was sworen into office as P.O.T.U.S. on March 4th. They evidently had excellant inside intelligence in the federal secret planning to have gathered that type of information and gotten it to Confederate authorities at Mongomery, Ala. to be forwarded to Beauregard at Charleston by March 9th. That means the Confederate were not in any way decieved about the intent of the Lincoln adminstration 5 WEEKS before they fired on Fort Sumter April 12th.

The people who practiced restraint were the Confederates who waited until that fleet appeared of the entrance to Charleston Harbor before they blew Anderson off of that little rock he was on.