Commit 0ed80bcc authored by Marco Stronati's avatar Marco Stronati Committed by Benjamin Canou

Doc/PoS: changes to baking rights

parent 24c4e655
......@@ -39,12 +39,8 @@ Protocol header (for tezos.alpha):
- ``signature``: a digital signature of the shell and protocol headers
(excluding the signature itself).
- ``priority``: every block height in tezos.alpha is associated with an
ordered list of bakers. The first baker in that list is the first one
who can bake a block at that height, one minute after the previous
block. The second baker in the list can do so, but only two minutes
after the previous block, etc., the third baker three minutes after.
This integer is the priority of the block.
- ``priority``: the position in the priority list of delegates at which
the block was baked.
- ``seed_nonce_hash``: a commitment to a random number, used to
generate entropy on the chain. Present in only one out of
(``BLOCKS_PER_COMMITMENT`` = 32) blocks.
......@@ -220,12 +216,15 @@ We admit, for the time being, that the protocol generates a random seed
for each cycle. From this random seed, we can seed a CSPRNG which is
used to draw baking rights for a cycle.
To each position, or slot, in the cycle, is associated a priority list
of bakers. This is drawn randomly, with replacement, from the set of
active rolls. Each roll is associated with the public key of a delegate,
therefore, for each slot in the cycle, we have an ordered list of public
keys which may create and sign a block. It is possible that the same
public key appears multiple times in this list.
To each position, in the cycle, is associated a priority list of
delegates.
This is drawn randomly, with replacement, from the set of active rolls
so it is possible that the same public key appears multiple times in
this list.
The first baker in the list is the first one who can bake a block at
that level.
If a delegate is for some reason unable to bake, the next delegate in
the list can step up and bake the block.
The delegate with the highest priority can bake a block with a timestamp
greater than ``timestamp_of_previous_block`` plus
......
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