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sp_io::crypto

Function ecdsa_sign_prehashed

Source 
pub fn ecdsa_sign_prehashed(
    id: <PassPointerAndReadCopy<KeyTypeId, 4> as RIType>::Inner,
    pub_key: <PassPointerAndRead<&Public, 33> as RIType>::Inner,
    msg: <PassPointerAndRead<&[u8; 32], 32> as RIType>::Inner,
) -> <AllocateAndReturnByCodec<Option<Signature>> as RIType>::Inner
Expand description

Sign the given a pre-hashed msg with the ecdsa key that corresponds to the given public key and key type in the keystore.

Returns the signature.