Added RuntimePublic for ecdsa public key. (#6029)

* add generate ecdsa, etc to keystore

* impl ecdsa needed traits

* add ecdsa to sr_io

* add ecdsa to application-crypto

* add ecdsa to test-utils

* add ecdsa debug derive

* fix ecdsa public

substrate/primitives/core/src/traits.rs

@@ -19,7 +19,7 @@
 
 use crate::{
 	crypto::{KeyTypeId, CryptoTypePublicPair},
-	ed25519, sr25519,
+	ed25519, sr25519, ecdsa,
 };
 
 use std::{
@@ -77,6 +77,18 @@ pub trait BareCryptoStore: Send + Sync {
 		id: KeyTypeId,
 		seed: Option<&str>,
 	) -> Result<ed25519::Public, BareCryptoStoreError>;
+	/// Returns all ecdsa public keys for the given key type.
+	fn ecdsa_public_keys(&self, id: KeyTypeId) -> Vec<ecdsa::Public>;
+	/// Generate a new ecdsa key pair for the given key type and an optional seed.
+	///
+	/// If the given seed is `Some(_)`, the key pair will only be stored in memory.
+	///
+	/// Returns the public key of the generated key pair.
+	fn ecdsa_generate_new(
+		&mut self,
+		id: KeyTypeId,
+		seed: Option<&str>,
+	) -> Result<ecdsa::Public, BareCryptoStoreError>;
 
 	/// Insert a new key. This doesn't require any known of the crypto; but a public key must be
 	/// manually provided.