Ctor creates block from recorder, previous hash and bullseye. @param transactions - Document with list of transactions @param previous - fingerprint of the previous block @param bullseye - bullseye of database @param net - hash net
Bullseye of DART database
Fingerprint of this block
Fingerprint of the previous block
List of the transactions
Returns hash of block \return hash
Returns fingerprint of previous block in chain \return fingerprint of previous block
Converts structure to HiBON \return HiBON copy of this structure
Function that says whether this block has no predecessors \return true if this block is root block
\class EpochChainBlock Class represents epoch block from recorder chain