solana: add minter not intialized test for tbtc deposits

cross-chain/solana/tests/02__wormholeGateway.ts

@@ -42,7 +42,6 @@ async function setup(
  const tbtcMint = tbtc.getTokenPDA();
  const gatewayWrappedTbtcToken = wormholeGateway.getWrappedTbtcTokenPDA();
  const tokenBridgeSender = wormholeGateway.getTokenBridgeSenderPDA();
- //const tokenBridgeRedeemer = wormholeGateway.getTokenBridgeRedeemerPDA();
 
  await program.methods
  .initialize(new anchor.BN(mintingLimit.toString()))
@@ -61,6 +60,7 @@ describe("wormhole-gateway", () => {
  // Configure the client to use the local cluster.
  anchor.setProvider(anchor.AnchorProvider.env());
 
+ // Initialize anchor program.
  const program = anchor.workspace.WormholeGateway as Program<WormholeGateway>;
  const connection = program.provider.connection;
 
@@ -85,12 +85,16 @@ describe("wormhole-gateway", () => {
 
  const commonTokenOwner = anchor.web3.Keypair.generate();
 
+ // Mock foreign emitter. 
  const ethereumTokenBridge = new MockEthereumTokenBridge(
  ETHEREUM_TOKEN_BRIDGE_ADDRESS
  );
 
  it("setup", async () => {
+ // Max amount of TBTC that can be minted.
  const mintingLimit = BigInt(10000);
+
+ // Initialize the program.
  await setup(program, authority, mintingLimit);
  await wormholeGateway.checkState(authority.publicKey, mintingLimit);
  await tbtc.checkState(authority, 1, 2, 1500);
@@ -118,11 +122,7 @@ describe("wormhole-gateway", () => {
 
  it("deposit wrapped tokens", async () => {
  const custodian = wormholeGateway.getCustodianPDA();
- // TODO: cannot deposit if custodian isn't minter yet.
-
- // Add custodian as minter.
- await tbtc.addMinter(authority, custodian);
-
+
  // Set up new wallet
  const payer = await generatePayer(authority);
 
@@ -139,15 +139,10 @@ describe("wormhole-gateway", () => {
  tbtcMint,
  payer.publicKey
  );
-
- const [wrappedBefore, tbtcBefore, gatewayBefore] = await Promise.all([
- getAccount(connection, recipientWrappedToken),
- getAccount(connection, recipientToken),
- getAccount(connection, gatewayWrappedTbtcToken),
- ]);
-
+
  const depositAmount = BigInt(500);
 
+ // Attempt to deposit before the custodian is a minter.
  const ix = await wormholeGateway.depositWormholeTbtcIx(
  {
  recipientWrappedToken,
@@ -156,6 +151,18 @@ describe("wormhole-gateway", () => {
  },
  depositAmount
  );
+ await expectIxFail([ix], [payer], "AccountNotInitialized");
+
+ // Add custodian as minter.
+ await tbtc.addMinter(authority, custodian); 
+
+ // Check token account balances before deposit.
+ const [wrappedBefore, tbtcBefore, gatewayBefore] = await Promise.all([
+ getAccount(connection, recipientWrappedToken),
+ getAccount(connection, recipientToken),
+ getAccount(connection, gatewayWrappedTbtcToken),
+ ]);
+
  await expectIxSuccess([ix], [payer]);
  await tbtc.checkState(authority, 2, 2, 2000);