Protocol/SCORU: Add the number of messages in the commited tree
This will ease the work for integrating EOL (see !6239 (closed)). So that a proof for EOL
is more compact and does not require to do two accesses.
Edited by François Thiré
This will ease the work for integrating EOL (see !6239 (closed)). So that a proof for EOL
is more compact and does not require to do two accesses.