Trait frame_system::offchain::SignedPayload

pub trait SignedPayload<T: SigningTypes>: Encode {
    // Required method
    fn public(&self) -> T::Public;

    // Provided methods
    fn sign<C: AppCrypto<T::Public, T::Signature>>(
        &self,
    ) -> Option<T::Signature> { ... }
    fn verify<C: AppCrypto<T::Public, T::Signature>>(
        &self,
        signature: T::Signature,
    ) -> bool { ... }
}

Utility trait to be implemented on payloads that can be signed.

Required Methods

fn public(&self) -> T::Public

Return a public key that is expected to have a matching key in the keystore, which should be used to sign the payload.

Provided Methods

fn sign<C: AppCrypto<T::Public, T::Signature>>(&self) -> Option<T::Signature>

Sign the payload using the implementor’s provided public key.

Returns Some(signature) if public key is supported.

fn verify<C: AppCrypto<T::Public, T::Signature>>( &self, signature: T::Signature, ) -> bool

Verify signature against payload.

Returns a bool indicating whether the signature is valid or not.

Object Safety

This trait is not object safe.

Implementors