diff --git a/yarn-project/aztec.js/src/utils/l1_contracts.ts b/yarn-project/aztec.js/src/utils/l1_contracts.ts
index 4ee7ef38739..7275756a579 100644
--- a/yarn-project/aztec.js/src/utils/l1_contracts.ts
+++ b/yarn-project/aztec.js/src/utils/l1_contracts.ts
@@ -1,50 +1,14 @@
-import { EthAddress } from '@aztec/circuits.js';
+import { L1ContractAddresses } from '@aztec/ethereum';
 import { retryUntil } from '@aztec/foundation/retry';
 
-/**
- * A dictionary of the Aztec-deployed L1 contracts.
- */
-export type L1ContractAddresses = {
-  /**
-   * Address fo the main Aztec rollup contract.
-   */
-  rollup: EthAddress;
-  /**
-   * Address of the contract that emits events on public contract deployment.
-   */
-  contractDeploymentEmitter: EthAddress;
-  /**
-   * Address of the L1/L2 messaging inbox contract.
-   */
-  inbox: EthAddress;
-  /**
-   * Address of the L1/L2 messaging outbox contract.
-   */
-  outbox: EthAddress;
-  /**
-   * Address of the decoder helper contract
-   */
-  decoderHelper?: EthAddress;
-
-  /**
-   * Registry Address.
-   */
-  registry: EthAddress;
-};
-
-/**
- * string dictionary of aztec contract addresses that we receive over http.
- */
-type L1ContractAddressesResp = {
-  [K in keyof L1ContractAddresses]: string;
-};
+import { createPXEClient } from '../pxe_client.js';
 
 export const getL1ContractAddresses = async (url: string): Promise<L1ContractAddresses> => {
-  const reqUrl = new URL(`${url}/api/l1-contract-addresses`);
+  const pxeClient = createPXEClient(url);
   const response = await retryUntil(
     async () => {
       try {
-        return (await (await fetch(reqUrl.toString())).json()) as unknown as L1ContractAddressesResp;
+        return (await pxeClient.getNodeInfo()).l1ContractAddresses;
       } catch (err) {
         // do nothing
       }
@@ -53,8 +17,5 @@ export const getL1ContractAddresses = async (url: string): Promise<L1ContractAdd
     120,
     1,
   );
-  const result = Object.fromEntries(
-    Object.entries(response).map(([key, value]) => [key, EthAddress.fromString(value)]),
-  );
-  return result as L1ContractAddresses;
+  return response;
 };
diff --git a/yarn-project/canary/src/uniswap_trade_on_l1_from_l2.test.ts b/yarn-project/canary/src/uniswap_trade_on_l1_from_l2.test.ts
index 56c30bbf037..97f754f61df 100644
--- a/yarn-project/canary/src/uniswap_trade_on_l1_from_l2.test.ts
+++ b/yarn-project/canary/src/uniswap_trade_on_l1_from_l2.test.ts
@@ -71,7 +71,7 @@ async function deployAllContracts(
     ownerWallet,
     walletClient,
     publicClient,
-    l1ContractsAddresses!.registry,
+    l1ContractsAddresses!.registryAddress,
     ownerAddress,
     DAI_ADDRESS,
   );
@@ -85,7 +85,7 @@ async function deployAllContracts(
     ownerWallet,
     walletClient,
     publicClient,
-    l1ContractsAddresses!.registry,
+    l1ContractsAddresses!.registryAddress,
     ownerAddress,
     WETH9_ADDRESS,
   );
@@ -116,7 +116,7 @@ async function deployAllContracts(
   await uniswapL2Contract.attach(uniswapPortalAddress);
 
   await uniswapPortal.write.initialize(
-    [l1ContractsAddresses!.registry.toString(), uniswapL2Contract.address.toString()],
+    [l1ContractsAddresses!.registryAddress.toString(), uniswapL2Contract.address.toString()],
     {} as any,
   );
 
@@ -286,7 +286,7 @@ describe('uniswap_trade_on_l1_from_l2', () => {
     const { result: messageKeyHex } = await wethTokenPortal.simulate.depositToAztecPrivate(args, {
       account: ownerEthAddress.toString(),
     } as any);
-    await wethTokenPortal.write.depositToAztecPublic(args, {} as any);
+    await wethTokenPortal.write.depositToAztecPrivate(args, {} as any);
 
     const currentL1Balance = await wethContract.read.balanceOf([ownerEthAddress.toString()]);
     logger(`Initial Balance: ${currentL1Balance}. Should be: ${wethL1BeforeBalance - wethAmountToBridge}`);