X1 XenBlocks Ledger

This program represents a ledger to store XenBlock data and votes on X1 chain

Interface

• initialize Reserved for admin to initialize Global State
• submit_block Reserved for the watch tower to send newly found blocks
• vote_for_block Public interface method for all miners who shall vote for found blocks

Data Structures

XenBlocksState

Attributes related to the ledger as a whole

• block_id counter

XenBlockInfo

Single XenBlock is referenced by a combination of:

• "xen-block" byte-string
• block id

Attributes of a single XenBlock

• key unique 32-byte sequence resolving to a valid XenBlock hash
• block_type regular (XM), XUNI or superblock (X.BLK)
• miner base-58-encoded pubkey of a miner who has submitted the newly found block
• votes counter of other miners' votes for the block

VoteInfo

Single Vote is referenced by a combination of:

• "xen-block-vote" byte-string
• block id
• voter base-58-encoded pubkey of a voter

Attribute of a single vote for a XenBlock

• key unique 32-byte sequence resolving to a valid XenBlock hash
• slot unique id of a current X1 slot (block)

Events

NewBlock

Attributes:

• id
• miner
• key
• block_type
• slot (TBD if needed)

NewVote

Attributes:

• id
• voter
• key
• slot (TBD if needed)

Errors

• AlreadyInitialized
• AlreadySubmitted
• AlreadyVoted
• CannotSelfVote