TinyChain --> tiny update in the Secp256k1

Author: JasminDreasond

src/TinyChain/Secp256k1/Btc.mjs

@@ -203,24 +203,14 @@ class TinyBtcSecp256k1 extends TinySecp256k1 {
     return TinySecp256k1.doubleSha256(fullMessage);
   }
 
-  /**
-   * RIPEMD160(SHA256(x))
-   * @param {Buffer} buffer
-   * @returns {Buffer}
-   */
-  #hash160(buffer) {
-    const sha = createHash('sha256').update(buffer).digest();
-    return createHash('ripemd160').update(sha).digest();
-  }
-
   /**
    * Generates P2PKH address from public key
    * @param {Buffer} pubKey
    * @returns {string}
    */
   #pubkeyToP2pkhAddress(pubKey) {
     const bs58check = this.getBs58check();
-    const pubkeyHash = this.#hash160(pubKey);
+    const pubkeyHash = TinySecp256k1.hash160(pubKey);
     const versioned = Buffer.concat([Buffer.from([0x00]), pubkeyHash]); // Mainnet P2PKH
     return bs58check.encode(versioned);
   }
@@ -232,7 +222,7 @@ class TinyBtcSecp256k1 extends TinySecp256k1 {
    */
   #pubkeyToBech32Address(pubKey) {
     const bech32 = this.getBech32();
-    const ripemd160 = this.#hash160(pubKey);
+    const ripemd160 = TinySecp256k1.hash160(pubKey);
     // Convert for bech32: witness version 0 + program (ripemd160 result)
     const words = bech32.toWords(ripemd160);
     words.unshift(0x00); // witness version

src/TinyChain/Secp256k1/Eth.mjs

@@ -84,7 +84,6 @@ class TinyEthSecp256k1 extends TinySecp256k1 {
   }
 
   /**
-  
   * Apply EIP-55 checksum to a lowercase address.
   * @param {string} address - Hex string without 0x prefix.
   * @returns {string}

src/TinyChain/Secp256k1/index.mjs

@@ -64,6 +64,16 @@ class TinySecp256k1 {
     return TinySecp256k1.sha256(TinySecp256k1.sha256(buf));
   }
 
+  /**
+   * RIPEMD160(SHA256(x))
+   * @param {Buffer} buffer
+   * @returns {Buffer}
+   */
+  static hash160(buffer) {
+    const sha = createHash('sha256').update(buffer).digest();
+    return createHash('ripemd160').update(sha).digest();
+  }
+
   /**
    * Creates an instance of TinySecp256k1.
    *