Module pallet_bridge_relayers::extension

Signed extension, built around pallet-bridge-relayers. It is able to:

• refund the cost of successful message delivery and confirmation transactions to the submitter by registering corresponding reward in the pallet;

• bump priority of messages delivery and confirmation transactions, signed by the registered relayers.

Modules

• per_message
  Computations, specific to bridge messages transactions.
• per_parachain_header
  Computations, specific to bridge parachains transactions.
• per_relay_header
  Computations, specific to bridge relay chains transactions.

Structs

• BridgeRelayersTransactionExtension
  A signed extension, built around pallet-bridge-relayers.
• PreDispatchData
  Data that is crafted in validate, passed to prepare and used at post_dispatch method.
• WithGrandpaChainExtensionConfig
  Adapter to be used in signed extension configuration, when bridging with remote chains that are using GRANDPA finality.
• WithMessagesExtensionConfig
  Transaction extension that refunds a relayer for standalone messages delivery and confirmation transactions. Finality transactions are not refunded.
• WithParachainExtensionConfig
  Adapter to be used in signed extension configuration, when bridging with remote parachains.

Enums

• RelayerAccountAction
  The actions on relayer account that need to be performed because of his actions.

Functions

• compute_priority_boost
  Compute priority boost for transaction that brings given number of bridge items (messages, headers, …), when every additional item adds PriorityBoostPerItem to transaction priority.

Type Aliases

• ItemCount
  We’ll deal with different bridge items here - messages, headers, … To avoid being too verbose with generic code, let’s just define a separate alias.