Module frame::runtime::types_common

A set of opinionated types aliases commonly used in runtimes.

This is one set of opinionated types. They are compatible with one another, but are not guaranteed to work if you start tweaking a portion.

Some note-worthy opinions in this prelude:

• u32 block number.
• [sp_runtime::MultiAddress] and [sp_runtime::MultiSignature] are used as the account id and signature types. This implies that this prelude can possibly used with an “account-index” system (eg pallet-indices). And, in any case, it should be paired with AccountIdLookup in frame_system::Config::Lookup.

Type Definitions

• AccountId
  The corresponding account-id type of Signature.
• BlockNumber
  The block-number type, which should be fed into frame_system::Config.
• BlockOf
  The block type, which should be fed into frame_system::Config.
• OpaqueBlock
  The opaque block type. This is the same BlockOf, but it has [sp_runtime::OpaqueExtrinsic] as its final extrinsic type.
• Signature
  A signature type compatible capably of handling multiple crypto-schemes.
• SystemSignedExtensionsOf
  Default set of signed extensions exposed from the frame_system.