Skip to content

fix: update example_swap to use new L2ToL1MembershipWitness API #21466

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
sklppy88 merged 2 commits into from
Mar 13, 2026
Merged

fix: update example_swap to use new L2ToL1MembershipWitness API #21466

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ecfe31a
fix: update example_swap to use new L2ToL1MembershipWitness API
AztecBot Mar 13, 2026
1f9ae73
Merge branch 'merge-train/fairies' into claudebox/fix-docs-example-swap
sklppy88 Mar 13, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 3 additions & 10 deletions docs/examples/ts/example_swap/index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,6 @@ import { SetPublicAuthwitContractInteraction } from "@aztec/aztec.js/authorizati
import { Fr } from "@aztec/aztec.js/fields";
import { createAztecNodeClient, waitForNode } from "@aztec/aztec.js/node";
import { createExtendedL1Client } from "@aztec/ethereum/client";
import { RollupContract } from "@aztec/ethereum/contracts";
import { deployL1Contract } from "@aztec/ethereum/deploy-l1-contract";
import { sha256ToField } from "@aztec/foundation/crypto/sha256";
import { TokenContract } from "@aztec/noir-contracts.js/Token";
Expand Down Expand Up @@ -47,8 +46,6 @@ const nodeInfo = await node.getNodeInfo();
const registryAddress =
nodeInfo.l1ContractAddresses.registryAddress.toString();
const inboxAddress = nodeInfo.l1ContractAddresses.inboxAddress.toString();
const rollupAddress = nodeInfo.l1ContractAddresses.rollupAddress.toString();
const rollup = new RollupContract(l1Client, rollupAddress);
// docs:end:setup

// docs:start:deploy_l1
Expand Down Expand Up @@ -438,10 +435,6 @@ const withdrawContentHash = sha256ToField([
Buffer.from(withdrawContentEncoded.slice(2), "hex"),
]);

// Get epoch for the swap receipt block
const swapBlock = await node.getBlock(swapReceipt.blockNumber!);
const swapEpoch = await rollup.getEpochNumberForCheckpoint(swapBlock!.checkpointNumber);

// Message 1: Token bridge exit message
const exitMsgLeaf = computeL2ToL1MessageHash({
l2Sender: l2WethBridge.address,
Expand All @@ -455,8 +448,8 @@ const exitMsgLeaf = computeL2ToL1MessageHash({
// docs:start:consume_l1_messages_witnesses
const exitWitness = await computeL2ToL1MembershipWitness(
node,
swapEpoch,
exitMsgLeaf,
swapReceipt.txHash,
);
const exitSiblingPath = exitWitness!.siblingPath
.toBufferArray()
Expand Down Expand Up @@ -507,8 +500,8 @@ const swapMsgLeaf = computeL2ToL1MessageHash({

const swapWitness = await computeL2ToL1MembershipWitness(
node,
swapEpoch,
swapMsgLeaf,
swapReceipt.txHash,
);
const swapSiblingPath = swapWitness!.siblingPath
.toBufferArray()
Expand All @@ -533,7 +526,7 @@ const l1SwapHash = await l1Client.writeContract({
dir: "left",
size: 32,
}),
[BigInt(swapEpoch), BigInt(swapEpoch)],
[BigInt(exitWitness!.epochNumber), BigInt(swapWitness!.epochNumber)],
[BigInt(exitWitness!.leafIndex), BigInt(swapWitness!.leafIndex)],
[exitSiblingPath, swapSiblingPath],
],
Expand Down
Loading