The MiningCoordinator has been split into common, and ethhash
specific funcationality.
This adversely affects the JSON RPC, in that all mining related
RPCs are now generic based on the type of miner being used.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
This commit adds the clique specific implementation of the Miner
executor.
It is responsible for starting a clique mining operation when
requested. It also supplies the functionality to blend vanity data
with validator data etc. in the extra data field.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
Responsible for mining a block if the local node address
is a validator, and has not recently mined a block.
This has necessitated a slight rework of helper functions,
and shuffling of tests.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
Clique Block Scheduler has been reworked to prevent high rate blocks
being created when the parent block's timestamp is behind the system
clock.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
