Function decode_ed25519_multikey 

pub fn decode_ed25519_multikey(multibase: &str) -> Result<[u8; 32], Error>

Decode a Multikey publicKeyMultibase value into a raw 32-byte Ed25519 key.

Errors

Returns an error if the value is not a base58btc multibase string wrapping an ed25519-pub multicodec key.