Add HasPlaceholder conformance to Secp256k1Signature

radixdlt · Feb 19, 2024 · b31d4fa · b31d4fa
1 parent 9aad4ff
commit b31d4fa
Showing 1 changed file with 86 additions and 0 deletions.
diff --git a/src/core/types/signatures/secp256k1_signature.rs b/src/core/types/signatures/secp256k1_signature.rs
@@ -43,3 +43,89 @@ impl Secp256k1Signature {
         hex_encode(self.to_bytes())
     }
 }
+
+impl HasPlaceholder for Secp256k1Signature {
+    /// Returns a valid Secp256k1Signature, see doc test below,
+    /// with the value:
+    ///
+    /// `"018ad795353658a0cd1b513c4414cbafd0f990d329522977f8885a27876976a7d41ed8a81c1ac34551819627689cf940c4e27cacab217f00a0a899123c021ff6ef"`
+    ///
+    /// ```
+    /// extern crate sargon;
+    /// use sargon::prelude::*;
+    ///
+    /// let mnemonic: Mnemonic = "habit special recipe upon giraffe manual evil badge dwarf welcome inspire shrug post arrive van".parse().unwrap();
+    ///
+    /// let path: BIP44LikePath = "m/44H/1022H/0H/0/5H".parse().unwrap();
+    ///
+    /// let mwp = MnemonicWithPassphrase::with_passphrase(mnemonic, BIP39Passphrase::default());
+    ///
+    /// let hd_private_key = mwp.derive_private_key(path);
+    ///
+    /// assert_eq!(&hd_private_key.private_key.to_hex(), "111323d507d9d690836798e3ef2e5292cfd31092b75b9b59fa584ff593a3d7e4");
+    ///
+    /// assert_eq!(&hd_private_key.public_key().to_hex(), "03e78cdb2e0b7ea6e55e121a58560ccf841a913d3a4a9b8349e0ef00c2102f48d8");
+    ///
+    /// let message = "There is a computer disease that anybody who works with computers knows about. It's a very serious disease and it interferes completely with the work. The trouble with computers is that you 'play' with them!";
+    ///
+    /// let hash = hash(message.as_bytes());
+    ///
+    /// let signature: Secp256k1Signature = "018ad795353658a0cd1b513c4414cbafd0f990d329522977f8885a27876976a7d41ed8a81c1ac34551819627689cf940c4e27cacab217f00a0a899123c021ff6ef".parse().unwrap();
+    ///
+    /// assert_eq!(
+    ///     &hd_private_key
+    ///     .private_key
+    ///     .public_key()
+    ///     .into_secp256k1()
+    ///     .unwrap()
+    ///     .is_valid(&signature, &hash),
+    ///     &true
+    /// );
+    /// ```
+    ///
+    fn placeholder() -> Self {
+        "018ad795353658a0cd1b513c4414cbafd0f990d329522977f8885a27876976a7d41ed8a81c1ac34551819627689cf940c4e27cacab217f00a0a899123c021ff6ef".parse().expect("Should construct valid placeholders.")
+    }
+
+     /// Returns a valid Secp256k1Signature, see doc test below,
+    /// with the value:
+    ///
+    /// `"01aa1c4f46f8437b7f8ec9008ae10e6f33bb8be3e81e35c63f3498070dfbd6a20b2daee6073ead3c9e72d8909bc32a02e46cede3885cf8568d4c380ac97aa7fbcd"`
+    ///
+    /// ```
+    /// extern crate sargon;
+    /// use sargon::prelude::*;
+    ///
+    /// let mnemonic: Mnemonic = "habit special recipe upon giraffe manual evil badge dwarf welcome inspire shrug post arrive van".parse().unwrap();
+    ///
+    /// let path: BIP44LikePath = "m/44H/1022H/0H/0/1H".parse().unwrap();
+    ///
+    /// let mwp = MnemonicWithPassphrase::with_passphrase(mnemonic, BIP39Passphrase::default());
+    ///
+    /// let hd_private_key = mwp.derive_private_key(path);
+    ///
+    /// assert_eq!(&hd_private_key.private_key.to_hex(), "84d8a5991e8f2885fe49d77da0ee6ee9f3f03ef419ac9c19a48cd32e10244ecd");
+    ///
+    /// assert_eq!(&hd_private_key.public_key().to_hex(), "02f0d85a3b9082683f689e6115f37e1e24b7448fff14b14877e3a4e750e86fba8b");
+    ///
+    /// let message = "All those moments will be lost in time, like tears in rain. Time to die...";
+    ///
+    /// let hash = hash(message.as_bytes());
+    ///
+    /// let signature: Secp256k1Signature = "01aa1c4f46f8437b7f8ec9008ae10e6f33bb8be3e81e35c63f3498070dfbd6a20b2daee6073ead3c9e72d8909bc32a02e46cede3885cf8568d4c380ac97aa7fbcd".parse().unwrap();
+    ///
+    /// assert_eq!(
+    ///     &hd_private_key
+    ///     .private_key
+    ///     .public_key()
+    ///     .into_secp256k1()
+    ///     .unwrap()
+    ///     .is_valid(&signature, &hash),
+    ///     &true
+    /// );
+    /// ```
+    ///
+    fn placeholder_other() -> Self {
+        "01aa1c4f46f8437b7f8ec9008ae10e6f33bb8be3e81e35c63f3498070dfbd6a20b2daee6073ead3c9e72d8909bc32a02e46cede3885cf8568d4c380ac97aa7fbcd".parse().expect("Should construct valid placeholders.")
+    }
+}