let buf: [u8; 64] = Readable::read(r)?;
match Signature::from_compact(&Secp256k1::without_caps(), &buf) {
Ok(sig) => Ok(sig),
let buf: [u8; 64] = Readable::read(r)?;
match Signature::from_compact(&Secp256k1::without_caps(), &buf) {
Ok(sig) => Ok(sig),