Trait ExtrinsicMetadata

pub trait ExtrinsicMetadata {
    type TransactionExtensions;

    const VERSIONS: &'static [u8];
}

Implementor is an Extrinsic and provides metadata about this extrinsic.

Required Associated Constants

const VERSIONS: &'static [u8]

The format versions of the Extrinsic.

By format we mean the encoded representation of the Extrinsic.

Required Associated Types

type TransactionExtensions

Transaction extensions attached to this Extrinsic.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl<Address, Signature, E> ExtrinsicMetadata for UncheckedExtrinsic<Address, Signature, E>

where E: EthExtra,

const VERSIONS: &'static [u8] = generic::UncheckedExtrinsic<Address, CallOf<E::Config>, Signature, E::Extension>::VERSIONS

type TransactionExtensions = <E as EthExtra>::Extension

Implementors

impl<Address, Call, Signature, Extension> ExtrinsicMetadata for polkadot_service::generic::UncheckedExtrinsic<Address, Call, Signature, Extension>

where Call: Dispatchable, Extension: TransactionExtension<Call>,

const VERSIONS: &'static [u8]

type TransactionExtensions = Extension