chore(contracts): Use autogenerated Noir interfaces where possible

yarn-project/aztec-sandbox/src/examples/uniswap_trade_on_l1_from_l2.ts

@@ -234,12 +234,10 @@ async function main() {
   // 4. Send L2 to L1 message to withdraw funds and another message to swap assets.
   logger('Send L2 tx to withdraw WETH to uniswap portal and send message to swap assets on L1');
   // recipient is the uniswap portal
-  const selector = wethL2Contract.methods.withdraw.selector.toField();
   const minimumOutputAmount = 0n;
 
   const withdrawTx = uniswapL2Contract.methods
     .swap(
-      selector,
       wethL2Contract.address.toField(),
       wethAmountToBridge,
       new Fr(3000),

yarn-project/canary/src/uniswap_trade_on_l1_from_l2.test.ts

@@ -262,12 +262,10 @@ describe('uniswap_trade_on_l1_from_l2', () => {
     // 4. Send L2 to L1 message to withdraw funds and another message to swap assets.
     logger('Send L2 tx to withdraw WETH to uniswap portal and send message to swap assets on L1');
     // recipient is the uniswap portal
-    const selector = wethL2Contract.methods.withdraw.selector.toField();
     const minimumOutputAmount = 0n;
 
     const withdrawTx = uniswapL2Contract.methods
       .swap(
-        selector,
         wethL2Contract.address.toField(),
         wethAmountToBridge,
         new Fr(3000),

yarn-project/end-to-end/src/e2e_multi_transfer.test.ts

@@ -100,12 +100,11 @@ describe('multi-transfer payments', () => {
   it('12 transfers per transactions should work', async () => {
     // Transaction 1
     logger(`self batchTransfer()`);
-    const batchTransferTx = zkTokenContract.methods
+    await zkTokenContract.methods
       .batchTransfer(ownerAddress, [200n, 300n, 400n], [ownerAddress, ownerAddress, ownerAddress], 0)
-      .send({ origin: ownerAddress });
-    await batchTransferTx.isMined();
-    const batchTransferTxReceipt = await batchTransferTx.getReceipt();
-    logger(`consumption Receipt status: ${batchTransferTxReceipt.status}`);
+      .send({ origin: ownerAddress })
+      .wait();
+
     await expectBalance(zkTokenContract, ownerAddress, initialBalance);
     await expectsNumOfEncryptedLogsInTheLastBlockToBe(aztecNode, 4);
 
@@ -115,19 +114,10 @@ describe('multi-transfer payments', () => {
 
     // Transaction 2
     logger(`multiTransfer()...`);
-    const multiTransferTx = multiTransferContract.methods
-      .multiTransfer(
-        zkTokenContract.address.toField(),
-        recipients,
-        amounts,
-        ownerAddress,
-        zkTokenContract.methods.batchTransfer.selector.toField(),
-        noteOffsets,
-      )
-      .send({ origin: ownerAddress });
-    await multiTransferTx.isMined({ timeout: 1000 }); // mining timeout ≥ time needed for the test to finish.
-    const multiTransferTxReceipt = await multiTransferTx.getReceipt();
-    logger(`Consumption Receipt status: ${multiTransferTxReceipt.status}`);
+    await multiTransferContract.methods
+      .multiTransfer(zkTokenContract.address.toField(), recipients, amounts, ownerAddress, noteOffsets)
+      .send({ origin: ownerAddress })
+      .wait({ timeout: 1000 }); // mining timeout ≥ time needed for the test to finish.
 
     await expectBalance(zkTokenContract, ownerAddress, initialBalance - amountSum);
     for (let index = 0; index < numberOfAccounts; index++) {
@@ -178,19 +168,10 @@ describe('multi-transfer payments', () => {
       const noteOffsets: bigint[] = [0n, 0n, 3n, 6n];
       const repeatedSelfAdddress: AztecAddress[] = Array(12).fill(ownerAddress);
 
-      const multiTransferTx = multiTransferContract.methods
-        .multiTransfer(
-          zkTokenContract.address.toField(),
-          repeatedSelfAdddress,
-          amounts,
-          ownerAddress,
-          zkTokenContract.methods.batchTransfer.selector.toField(),
-          noteOffsets,
-        )
-        .send({ origin: ownerAddress });
-      await multiTransferTx.isMined({ timeout: 100 }); // mining timeout ≥ time needed for the test to finish.
-      const multiTransferTxReceipt = await multiTransferTx.getReceipt();
-      logger(`Consumption Receipt status: ${multiTransferTxReceipt.status}`);
+      await multiTransferContract.methods
+        .multiTransfer(zkTokenContract.address.toField(), repeatedSelfAdddress, amounts, ownerAddress, noteOffsets)
+        .send({ origin: ownerAddress })
+        .wait({ timeout: 100 }); // mining timeout ≥ time needed for the test to finish.
 
       await expectBalance(zkTokenContract, ownerAddress, initialBalance);
       await expectsNumOfEncryptedLogsInTheLastBlockToBe(aztecNode, 16);
@@ -203,10 +184,7 @@ describe('multi-transfer payments', () => {
       const recipient = recipients[0];
       await expectBalance(zkTokenContract, recipient, 0n);
 
-      const transferTx = zkTokenContract.methods.transfer(transferAmount, recipient).send({ origin: ownerAddress });
-      await transferTx.isMined();
-      const txReceipt = await transferTx.getReceipt();
-      logger(`consumption Receipt status: ${txReceipt.status}`);
+      await zkTokenContract.methods.transfer(transferAmount, recipient).send({ origin: ownerAddress }).wait();
 
       await expectBalance(zkTokenContract, ownerAddress, initialBalance - transferAmount);
       await expectBalance(zkTokenContract, recipient, transferAmount);

yarn-project/end-to-end/src/uniswap_trade_on_l1_from_l2.test.ts

@@ -189,12 +189,10 @@ describe('uniswap_trade_on_l1_from_l2', () => {
 
     // 4. Send L2 to L1 message to withdraw funds and another message to swap assets.
     logger('Send L2 tx to withdraw WETH to uniswap portal and send message to swap assets on L1');
-    const selector = wethCrossChainHarness.l2Contract.methods.withdraw.selector.toField();
     const minimumOutputAmount = 0;
 
     const withdrawTx = uniswapL2Contract.methods
       .swap(
-        selector,
         wethCrossChainHarness.l2Contract.address.toField(),
         wethAmountToBridge,
         new Fr(3000),

yarn-project/noir-contracts/src/contracts/multi_transfer_contract/src/main.nr

@@ -1,3 +1,5 @@
+mod private_token_airdrop_interface;
+
 // Demonstrates how to perform 4 x 4 = 16 transfers in one transaction. Uses the private airdrop contract in the backend.
 contract MultiTransfer {
     use dep::aztec::oracle::public_call;
@@ -14,6 +16,9 @@ contract MultiTransfer {
         utils as note_utils,
     };
 
+    // Interfaces
+    use crate::private_token_airdrop_interface::PrivateTokenAirdropPrivateContextInterface;
+
     #[aztec(private)]
     fn constructor() {}
 
@@ -28,60 +33,45 @@ contract MultiTransfer {
         addresses: [Field; 12], // Addresses to distribute to
         amounts: [Field; 12], // Amounts to distribute
         owner: Field, // Owner of the asset
-        batch_transfer_selector: Field, // Function selector for transfer
         note_offsets: [Field; 4], // Offsets from which 4 notes of the owner would be read.
     ) -> [Field; 4] {
+        let token = PrivateTokenAirdropPrivateContextInterface::at(asset);
+
         // First batch transfer call
-        let return_values_1 = context.call_private_function(asset, batch_transfer_selector, [
+        let result1 = token.batchTransfer(
+            &mut context,
             owner, 
-            amounts[0],
-            amounts[1],
-            amounts[2],
-            addresses[0],
-            addresses[1],
-            addresses[2],
-            note_offsets[0],
-        ]);
-        let result1 = return_values_1[0];
+            [amounts[0], amounts[1], amounts[2]],
+            [addresses[0], addresses[1], addresses[2]],
+            note_offsets[0] as u32,
+        )[0];
 
         // Second batch transfer call
-        let return_values_2 = context.call_private_function(asset, batch_transfer_selector, [
+        let result2 = token.batchTransfer(
+            &mut context,
             owner, 
-            amounts[3],
-            amounts[4],
-            amounts[5],
-            addresses[3],
-            addresses[4],
-            addresses[5],
-            note_offsets[1],
-        ]);
-        let result2 = return_values_2[0];
+            [amounts[3], amounts[4], amounts[5]],
+            [addresses[3], addresses[4], addresses[5]],
+            note_offsets[1] as u32,
+        )[0];
 
         // Third batch transfer call
-        let return_values_3 = context.call_private_function(asset, batch_transfer_selector, [
+        let result3 = token.batchTransfer(
+            &mut context,
             owner, 
-            amounts[6],
-            amounts[7],
-            amounts[8],
-            addresses[6],
-            addresses[7],
-            addresses[8],
-            note_offsets[2],
-        ]);
-        let result3 = return_values_3[0];
+            [amounts[6], amounts[7], amounts[8]],
+            [addresses[6], addresses[7], addresses[8]],
+            note_offsets[2] as u32,
+        )[0];
 
         // Fourth batch transfer call
-        let return_values_4 = context.call_private_function(asset, batch_transfer_selector, [
+        let result4 = token.batchTransfer(
+            &mut context,
             owner, 
-            amounts[9],
-            amounts[10],
-            amounts[11],
-            addresses[9],
-            addresses[10],
-            addresses[11],
-            note_offsets[3],
-        ]);
-        let result4 = return_values_4[0];
+            [amounts[9], amounts[10], amounts[11]],
+            [addresses[9], addresses[10], addresses[11]],
+            note_offsets[3] as u32,
+        )[0];
 
         [result1, result2, result3, result4]
     }

yarn-project/noir-contracts/src/contracts/multi_transfer_contract/src/private_token_airdrop_interface.nr

@@ -0,0 +1 @@
+../../private_token_airdrop_contract/src/interface.nr

yarn-project/noir-contracts/src/contracts/native_token_contract/src/main.nr

@@ -36,7 +36,8 @@ contract NativeToken {
             compute_selector::compute_selector
         },
         public_call_stack_item::PublicCallStackItem,
-        types::point::Point
+        types::point::Point,
+        auth::assert_valid_message_for,
     };
 
     #[aztec(private)]
@@ -321,9 +322,8 @@ contract NativeToken {
                 ], 
                 GENERATOR_INDEX__SIGNATURE_PAYLOAD
             )[0];
-            let is_valid_selector = compute_selector("is_valid(Field)");
-            let _callStackItem0 = context.call_private_function(from, is_valid_selector, [message_field]);
-            assert(_callStackItem0[0] == is_valid_selector);
+
+            assert_valid_message_for(&mut context, from, message_field);
         }
 
         // Reduce user balance