Consolidate batch-send to single file using createTransferInterfaceInstructions

- Remove batch-send-action.ts and batch-send-instruction.ts
- Single batch-send.ts using createTransferInterfaceInstructions
- Update READMEs and package.json

Entire-Checkpoint: 4afa49be1970

Author: tilo-14

toolkits/README.md

@@ -10,8 +10,7 @@ See the [payments README](payments/README.md) for API comparison and setup.
 **Send payments**
 - **[basic-send-action](payments/send/basic-send-action.ts)** — Send tokens. One call handles loading and recipient account creation.
 - **[basic-send-instruction](payments/send/basic-send-instruction.ts)** — Same transfer, but returns raw instructions for custom transaction building.
-- **[batch-send-action](payments/send/batch-send-action.ts)** — Pay multiple recipients sequentially
-- **[batch-send-instruction](payments/send/batch-send-instruction.ts)** — Pay multiple recipients in one transaction
+- **[batch-send](payments/send/batch-send.ts)** — Pay multiple recipients in one transaction
 - **[payment-with-memo](payments/send/payment-with-memo.ts)** — Attach an invoice ID or payment reference to a transfer
 - **[sign-all-transactions](payments/send/sign-all-transactions.ts)** — Sign all transactions with one wallet approval. Shows parallel load optimization.
 

toolkits/payments/README.md

@@ -30,7 +30,7 @@ Light Token reduces account creation cost by 200x compared to SPL. Transfer cost
 | Example | Description | Action | Instruction |
 |:--------|:------------|:-------|:------------|
 | Basic send | Send tokens to a recipient. | [action](send/basic-send-action.ts) | [instruction](send/basic-send-instruction.ts) |
-| Batch send | Pay multiple recipients in one transaction. | [action](send/batch-send-action.ts) | [instruction](send/batch-send-instruction.ts) |
+| Batch send | Pay multiple recipients in one transaction. | | [instruction](send/batch-send.ts) |
 | Payment with memo | Attach an invoice ID or payment reference. | | [instruction](send/payment-with-memo.ts) |
 | Sign all transactions | Sign all transactions with one wallet approval. | | [instruction](send/sign-all-transactions.ts) |
 | [verify-address.ts](verify/verify-address.ts) | Confirm a recipient account exists before sending. | `getAssociatedTokenAddressInterface`, `getAtaInterface` |

toolkits/payments/package.json

@@ -4,12 +4,11 @@
     "description": "Light Token Payments Toolkit Examples",
     "type": "module",
     "scripts": {
-        "test:all": "tsx send/basic-send-action.ts && tsx send/basic-send-instruction.ts && tsx send/payment-with-memo.ts && tsx send/batch-send-action.ts && tsx send/batch-send-instruction.ts && tsx send/sign-all-transactions.ts && tsx receive/receive.ts && tsx spend-permissions/delegate-approve.ts && tsx spend-permissions/delegate-revoke.ts && tsx spend-permissions/delegate-check.ts && tsx spend-permissions/delegate-transfer.ts",
+        "test:all": "tsx send/basic-send-action.ts && tsx send/basic-send-instruction.ts && tsx send/payment-with-memo.ts && tsx send/batch-send.ts && tsx send/sign-all-transactions.ts && tsx receive/receive.ts && tsx spend-permissions/delegate-approve.ts && tsx spend-permissions/delegate-revoke.ts && tsx spend-permissions/delegate-check.ts && tsx spend-permissions/delegate-transfer.ts",
         "basic-send-action": "tsx send/basic-send-action.ts",
         "basic-send-instruction": "tsx send/basic-send-instruction.ts",
         "payment-with-memo": "tsx send/payment-with-memo.ts",
-        "batch-send-action": "tsx send/batch-send-action.ts",
-        "batch-send-instruction": "tsx send/batch-send-instruction.ts",
+        "batch-send": "tsx send/batch-send.ts",
         "sign-all-transactions": "tsx send/sign-all-transactions.ts",
         "receive": "tsx receive/receive.ts",
         "get-balance": "tsx verify/get-balance.ts",

toolkits/payments/send/batch-send-instruction.ts

@@ -35,7 +35,6 @@ import { rpc, payer, setup } from "../setup.js";
         );
 
         for (const ix of instructions[instructions.length - 1]) {
-            // Deduplicate ComputeBudget instructions
             if (ix.programId.toBase58() === COMPUTE_BUDGET) {
                 if (hasComputeBudget) continue;
                 hasComputeBudget = true;