Crate primitives

Low-level types used throughout the core substrate code.

Structs

• ParaId
  Unique identifier of a parachain.
• ValidationParams
  Validation parameters for evaluating the parachain validity function.

Enums

• XcmpMessageFormat
  The aggregate XCMP message format.

Traits

• DmpMessageHandler
  Something that should be called when a downward message is received.
• XcmpMessageHandler
  Something that should be called for each batch of messages received over XCMP.

Type Aliases

• AccountId
  Some way of identifying an account on the chain. We intentionally make it equivalent to the public key of our transaction signing scheme.
• AuraId
  An Aura authority identifier using S/R 25519 as its crypto.
• Balance
  Balance of an account.
• Block
  Block type.
• BlockId
  Block ID.
• BlockNumber
  An index to a block.
• DigestItem
  Digest item type.
• Hash
  A hash of some data used by the chain.
• Header
  Header type.
• Moment
  Type used for expressing timestamp.
• Nonce
  Nonce of a transaction in the chain.
• Signature
  Alias to 512-bit hash when used in the context of a transaction signature on the chain.
• Timestamp
  A timestamp: milliseconds since the unix epoch. u64 is enough to represent a duration of half a billion years, when the time scale is milliseconds.
• UpwardMessage
  A message from a parachain to its Relay Chain.