fn from(bytes: [u8; 32]) -> Self {
        Self {
            network: Network::default(),
            bytes,
        }
    }
/// Generate a `SpendingKey` from existing bytes.
Generate a `SpendingKey` from existing bytes.
Generate a ` SpendingKey ` from existing bytes .
fn from(bytes: [u8; 32]) -> Self {
        Self {
            network: Network::default(),
            bytes,
        }
    }
fn from ( bytes : [ u8 ; 32 ] ) -> Self { Self { network : Network :: default ( ) , bytes , } }
Generate a `SpendingKey` from existing bytes.
Generate a ` SpendingKey ` from existing bytes .
bytes
[u8; 32]