Crate bp_polkadot_bulletin

Polkadot Bulletin Chain primitives.

Structs

• BlockLength
  Maximal block length at Polkadot Bulletin chain.
• BlockWeights
  We allow for 2 seconds of compute with a 6 second average block time.
• PolkadotBulletin
  Polkadot Bulletin Chain declaration.
• TransactionExtension
  Transaction extension, used by Polkadot Bulletin.

Constants

• AVERAGE_HEADER_SIZE
  Average header size in votes_ancestries field of justification on Polkadot-like chains.
• BEST_FINALIZED_POLKADOT_BULLETIN_HEADER_METHOD
  Name of the <ThisChain>FinalityApi::best_finalized runtime method.
• EXTRA_STORAGE_PROOF_SIZE
  Number of extra bytes (excluding size of storage value itself) of storage proof, built at Polkadot-like chain. This mostly depends on number of entries in the storage trie. Some reserve is reserved to account future chain growth.
• FREE_HEADERS_INTERVAL_FOR_POLKADOT_BULLETIN_METHOD
  Name of the <ThisChain>FinalityApi::free_headers_interval runtime method.
• FROM_POLKADOT_BULLETIN_MESSAGE_DETAILS_METHOD
  Name of the From<ThisChain>InboundLaneApi::message_details runtime method.
• MAX_AUTHORITIES_COUNT
  Maximal number of GRANDPA authorities at Polkadot Bulletin chain.
• MAX_MANDATORY_HEADER_SIZE
  Approximate maximal header size on Polkadot-like chains.
• MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX
  Maximal number of unconfirmed messages at inbound lane for Cumulus-based parachains.
• MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX
  Maximal number of unrewarded relayer entries at inbound lane for Cumulus-based parachains.
• POLKADOT_BULLETIN_SYNCED_HEADERS_GRANDPA_INFO_METHOD
  Name of the <ThisChain>FinalityApi::accepted_<consensus>_finality_proofs runtime method.
• REASONABLE_HEADERS_IN_JUSTIFICATION_ANCESTRY
  Reasonable number of headers in the votes_ancestries on Polkadot-like chains.
• TO_POLKADOT_BULLETIN_MESSAGE_DETAILS_METHOD
  Name of the To<ThisChain>OutboundLaneApi::message_details runtime method.
• WITH_POLKADOT_BULLETIN_GRANDPA_PALLET_NAME
  Name of the With-Polkadot Bulletin chain GRANDPA pallet instance that is deployed at bridged chains.
• WITH_POLKADOT_BULLETIN_MESSAGES_PALLET_NAME
  Name of the With-Polkadot Bulletin chain messages pallet instance that is deployed at bridged chains.

Traits

• FromPolkadotBulletinInboundLaneApi
  Inbound message lane API for messages sent by this chain.
• PolkadotBulletinFinalityApi
  API for querying information about the finalized chain headers.
• ToPolkadotBulletinOutboundLaneApi
  Outbound message lane API for messages that are sent to this chain.

Type Aliases

• AccountAddress
  Address of account on Polkadot-like chains.
• AccountId
  Id of account on Polkadot-like chains.
• Balance
  The balance of an account on Polkadot-like chain.
• Block
  Block type of Polkadot-like chains.
• BlockNumber
  Block number type used in Polkadot-like chains.
• Hash
  Hash type used in Polkadot-like chains.
• Hasher
  The type of object that can produce hashes on Polkadot-like chains.
• Header
  The header type used by Polkadot-like chains.
• Nonce
  Nonce of a transaction on the Polkadot-like chains.
• Signature
  Signature type used by Polkadot-like chains.
• SignedBlock
  Polkadot-like block signed with a Justification.
• TransactionExtensionSchema
  Signed extension schema, used by Polkadot Bulletin.
• UncheckedExtrinsic
  Unchecked Extrinsic type.
• ValidateSigned
  This signed extension is used to ensure that the chain transactions are signed by proper