feat(wasm-utxo): remove unused code and variables

Clean up test files by removing unused functions, parameters and types.
Add TypeScript compiler options to detect and prevent unused code.

Issue: BTC-2786

Co-authored-by: llm-git <llm-git@ttll.de>

Author: OttoAllmendinger

packages/wasm-utxo/test/address/utxolibCompat.ts

@@ -15,8 +15,6 @@ import {
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
 
-type Triple<T> = [T, T, T];
-
 type Fixture = [type: string, script: string, address: string];
 
 function getCoinNameForNetwork(name: string): CoinName {

packages/wasm-utxo/test/fixedScript/parseTransactionWithWalletKeys.ts

@@ -27,11 +27,6 @@ describe("parseTransactionWithWalletKeys", function () {
     );
   });
 
-  function hasReplayProtection(network: utxolib.Network): boolean {
-    const mainnet = utxolib.getMainnet(network);
-    return mainnet === utxolib.networks.bitcoincash;
-  }
-
   supportedNetworks.forEach((network) => {
     const networkName = utxolib.getNetworkName(network);
 

packages/wasm-utxo/test/psbt.util.ts

@@ -2,10 +2,6 @@ import * as assert from "node:assert";
 import * as utxolib from "@bitgo/utxo-lib";
 import { Descriptor, Psbt } from "../js/index.js";
 
-function toAddress(descriptor: Descriptor, network: utxolib.Network) {
-  utxolib.address.fromOutputScript(Buffer.from(descriptor.scriptPubkey()), network);
-}
-
 export function toWrappedPsbt(psbt: utxolib.bitgo.UtxoPsbt | utxolib.Psbt | Buffer | Uint8Array) {
   if (psbt instanceof utxolib.bitgo.UtxoPsbt || psbt instanceof utxolib.Psbt) {
     psbt = psbt.toBuffer();

packages/wasm-utxo/test/psbtFixedScriptCompatFixtures.ts

@@ -18,7 +18,7 @@ export function toPsbtWithPrevOutOnly(psbt: utxolib.bitgo.UtxoPsbt) {
       ...(witnessUtxo ? { witnessUtxo } : { nonWitnessUtxo }),
     });
   });
-  psbt.txOutputs.forEach((output, vout) => {
+  psbt.txOutputs.forEach((output) => {
     psbtCopy.addOutput(output);
   });
   return psbtCopy;

packages/wasm-utxo/test/psbtFromDescriptor.ts

@@ -11,10 +11,6 @@ function toKeyWithPath(k: BIP32Interface, path = "*"): string {
   return k.neutered().toBase58() + "/" + path;
 }
 
-function toKeyPlain(k: Buffer): string {
-  return k.toString("hex");
-}
-
 function toECPair(k: BIP32Interface): ECPairInterface {
   assert(k.privateKey);
   return ECPair.fromPrivateKey(k.privateKey);
@@ -36,8 +32,6 @@ function getKeyName(k: BIP32Interface | ECPairInterface) {
   );
 }
 
-type SigningKey = BIP32Interface | ECPairInterface;
-
 function describeSignDescriptor(
   name: string,
   descriptor: Descriptor,
@@ -67,7 +61,7 @@ function describeSignDescriptor(
       };
     }
 
-    signBip32.forEach((signSeq, i) => {
+    signBip32.forEach((signSeq) => {
       it(`should sign ${signSeq.map((k) => getKeyName(k))} xprv`, function () {
         const wrappedPsbt = toWrappedPsbt(psbt);
         signSeq.forEach((key) => {
@@ -92,7 +86,7 @@ function describeSignDescriptor(
       });
     });
 
-    signECPair.forEach((signSeq, i) => {
+    signECPair.forEach((signSeq) => {
       it(`should sign ${signSeq.map((k) => getKeyName(k))} ec pair`, function () {
         const wrappedPsbt = toWrappedPsbt(psbt);
         signSeq.forEach((key) => {

packages/wasm-utxo/tsconfig.json

@@ -9,7 +9,9 @@
     "declaration": true,
     "composite": true,
     "rootDir": ".",
-    "outDir": "./dist/esm"
+    "outDir": "./dist/esm",
+    "noUnusedLocals": true,
+    "noUnusedParameters": true
   },
   "include": ["./js/**/*.ts", "test/**/*.ts"],
   "exclude": ["node_modules", "./js/wasm/**/*"]