Use new helper to simplify escrow tests

basics/favorites/anchor/programs/favorites/src/lib.rs

@@ -13,8 +13,8 @@ pub mod favorites {
 
     // Our instruction handler! It sets the user's favorite number and color
     pub fn set_favorites(context: Context<SetFavorites>, number: u64, color: String, hobbies: Vec<String>) -> Result<()> {
-        let user_public_key = context.accounts.user.key();
         msg!("Greetings from {}", context.program_id);
+        let user_public_key = context.accounts.user.key();
         msg!(
             "User {user_public_key}'s favorite number is {number}, favorite color is: {color}, and their hobbies are {hobbies:?}",
         );
@@ -53,7 +53,8 @@ pub struct SetFavorites<'info> {
         payer = user, 
         space = ANCHOR_DISCRIMINATOR_SIZE + Favorites::INIT_SPACE, 
         seeds=[b"favorites", user.key().as_ref()],
-    bump)]
+        bump
+    )]
     pub favorites: Account<'info, Favorites>,
 
     pub system_program: Program<'info, System>,

basics/favorites/anchor/tests/favorites.ts

@@ -54,7 +54,9 @@ describe('Favorites', () => {
   it('Updates the favorites', async () => {
     const newFavoriteHobbies = ['skiing', 'skydiving', 'biking', 'swimming'];
     try {
-      await program.methods.setFavorites(favoriteNumber, favoriteColor, newFavoriteHobbies).signers([user]).rpc();
+      const signature = await program.methods.setFavorites(favoriteNumber, favoriteColor, newFavoriteHobbies).signers([user]).rpc();
+
+      console.log(`Transaction signature: ${signature}`);
     } catch (error) {
       console.error((error as Error).message);
       const customErrorMessage = getCustomErrorMessage(systemProgramErrors, error);

tokens/escrow/anchor/README.md

@@ -25,6 +25,7 @@ This project is based on [Dean Little's Anchor Escrow,](https://github.com/deanm
 One of the challenges when teaching is avoiding ambiguity — names have to be carefully chosen to be clear and not possible to confuse with other times.
 
 - Custom instructions were replaced by `@solana-developers/helpers` for many tasks to reduce the file size.
+- Shared functionality to transfer tokens is now in `instructions/shared.rs`
 - The upstream project has a custom file layout. We use the 'multiple files' Anchor layout.
 - Contexts are separate data structures from functions that use the contexts. There is no need for OO-like `impl` patterns here - there's no mutable state stored in the Context, and the 'methods' do not mutate that state. Besides, it's easier to type!
 - The name 'deposit' was being used in multiple contexts, and `deposit` can be tough because it's a verb and a noun:

tokens/escrow/anchor/package.json

@@ -5,7 +5,7 @@
   },
   "dependencies": {
     "@coral-xyz/anchor": "^0.30.0",
-    "@solana-developers/helpers": "^2.3.0",
+    "@solana-developers/helpers": "^2.4.0",
     "@solana/spl-token": "^0.4.6"
   },
   "license": "MIT",