Refactor, Added documentation, moved from avj-cli to avj, update script and added tests

source/script.ts

@@ -3,11 +3,15 @@ import { binToHex, sha256 } from '@bitauth/libauth';
 /**
  * Converts a script to a scriptHash.
  * @param {Uint8Array} script - The script to convert.
- * @returns {string} The scriptHash as a hexadecimal string.
+ * @returns {string} The scriptHash as a reversed hex string.
  */
 export const scriptToScriptHash = (script: Uint8Array): string => {
+    // Hash the script.
     const hash = sha256.hash(script);
+
+    // Reverse the hash. (Electrum style, reverse switches to little endian representation)
     const reversed = hash.reverse();
 
+    // Convert the reversed hash to hex.
     return binToHex(reversed);
 };