diff --git a/vea-sdk/examples/index.ts b/vea-sdk/examples/index.ts
index ab280a4b..1850cf57 100644
--- a/vea-sdk/examples/index.ts
+++ b/vea-sdk/examples/index.ts
@@ -2,14 +2,24 @@ import { Wallet } from "@ethersproject/wallet";
 import VeaSdk from "../src/index";
 import envVar from "../src/utils/envVar";
 
-// Create the Vea client
-const vea = VeaSdk.ClientFactory.arbitrumGoerliToChiadoDevnet(envVar("RPC_ARB_GOERLI"), envVar("RPC_CHIADO"));
+async function main() {
+  // Create the Vea client
+  const vea = VeaSdk.ClientFactory.arbitrumGoerliToChiadoDevnet(envVar("RPC_ARB_GOERLI"), envVar("RPC_CHIADO"));
 
-// Get the message info
-const messageId = 42;
-const messageInfo = await vea.getMessageInfo(messageId);
+  // Get the current state root
+  console.log(`stateRoot=${await vea.outbox.stateRoot()}`);
 
-// Relay the message
-const privateKey = envVar("PRIVATE_KEY");
-const wallet = new Wallet(privateKey, vea.outboxProvider);
-await vea.relay(messageInfo, wallet);
+  // Get a message info
+  const messageId = 1;
+  const messageInfo = await vea.getMessageInfo(messageId);
+
+  // Relay the message
+  const privateKey = envVar("PRIVATE_KEY");
+  const wallet = new Wallet(privateKey, vea.outboxProvider);
+  await vea.relay(messageInfo, wallet);
+}
+
+main().catch((e) => {
+  console.error(e);
+  process.exit(1);
+});
diff --git a/vea-sdk/package.json b/vea-sdk/package.json
index 38ed5d78..8abb8d59 100644
--- a/vea-sdk/package.json
+++ b/vea-sdk/package.json
@@ -28,7 +28,7 @@
     "tag": "latest"
   },
   "scripts": {
-    "start": "NODE_NO_WARNINGS=1 NODE_OPTIONS=--experimental-fetch ts-node ./src/run.ts",
+    "start": "NODE_NO_WARNINGS=1 NODE_OPTIONS=--experimental-fetch ts-node ./examples/index.ts",
     "release:patch": "yarn version patch && yarn npm publish",
     "release:minor": "yarn version minor && yarn npm publish",
     "release:major": "yarn version major && yarn npm publish",
diff --git a/vea-sdk/src/bridges.ts b/vea-sdk/src/bridges.ts
index 93d3a2bb..157c4cd1 100644
--- a/vea-sdk/src/bridges.ts
+++ b/vea-sdk/src/bridges.ts
@@ -1,8 +1,8 @@
-import VeaInboxArbToGnosisDevnetDeployment from "@kleros/vea-contracts/deployments/arbitrumGoerli/VeaInboxArbToGnosisDevnet.json";
-import VeaOutboxArbToGnosisDevnetDeployment from "@kleros/vea-contracts/deployments/chiado/VeaOutboxArbToGnosisDevnet.json";
+import { address as veaInboxArbToGnosisDevnet } from "@kleros/vea-contracts/deployments/arbitrumGoerli/VeaInboxArbToGnosisDevnet.json";
+import { address as veaOutboxArbToGnosisDevnet } from "@kleros/vea-contracts/deployments/chiado/VeaOutboxArbToGnosisDevnet.json";
 
-import VeaInboxArbToEthDevnetDeployment from "@kleros/vea-contracts/deployments/arbitrumGoerli/VeaInboxArbToEthDevnet.json";
-import VeaOutboxArbToEthDevnetDeployment from "@kleros/vea-contracts/deployments/goerli/VeaOutboxArbToEthDevnet.json";
+import { address as veaInboxArbToEthDevnet } from "@kleros/vea-contracts/deployments/arbitrumGoerli/VeaInboxArbToEthDevnet.json";
+import { address as veaOutboxArbToEthDevnet } from "@kleros/vea-contracts/deployments/goerli/VeaOutboxArbToEthDevnet.json";
 
 import {
   VeaInboxArbToEth__factory,
@@ -10,8 +10,8 @@ import {
   VeaOutboxArbToEthDevnet__factory,
 } from "@kleros/vea-contracts/typechain-types";
 
-export type VeaInboxFactory = typeof VeaInboxArbToEth__factory;
-export type VeaOutboxFactory = typeof VeaOutboxArbToGnosisDevnet__factory | typeof VeaOutboxArbToEthDevnet__factory;
+export type VeaInboxFactory = VeaInboxArbToEth__factory;
+export type VeaOutboxFactory = VeaOutboxArbToGnosisDevnet__factory | VeaOutboxArbToEthDevnet__factory;
 
 export type Bridge = {
   label: string;
@@ -33,10 +33,10 @@ export const arbitrumGoerliToChiadoDevnet: Bridge = {
   label: "Arbitrum to Chiado Devnet",
   inboxChainId: 421613,
   outboxChainId: 10200,
-  inboxAddress: VeaInboxArbToGnosisDevnetDeployment.address as `0x${string}`,
-  outboxAddress: VeaOutboxArbToGnosisDevnetDeployment.address as `0x${string}`,
-  inboxFactory: VeaInboxArbToEth__factory,
-  outboxFactory: VeaOutboxArbToGnosisDevnet__factory,
+  inboxAddress: veaInboxArbToGnosisDevnet as `0x${string}`,
+  outboxAddress: veaOutboxArbToGnosisDevnet as `0x${string}`,
+  inboxFactory: new VeaInboxArbToEth__factory(),
+  outboxFactory: new VeaOutboxArbToGnosisDevnet__factory(),
   inboxSubgraph: getSubgraphUrl("vea-inbox-arbgoerli-to-chiado"),
   outboxSubgraph: getSubgraphUrl("FIX ME"), // TODO
 };
@@ -45,10 +45,10 @@ export const arbitrumGoerliToGoerliDevnet: Bridge = {
   label: "Arbitrum to Goerli Devnet",
   inboxChainId: 5,
   outboxChainId: 10200,
-  inboxAddress: VeaInboxArbToEthDevnetDeployment.address as `0x${string}`,
-  outboxAddress: VeaOutboxArbToEthDevnetDeployment.address as `0x${string}`,
-  inboxFactory: VeaInboxArbToEth__factory,
-  outboxFactory: VeaOutboxArbToEthDevnet__factory,
+  inboxAddress: veaInboxArbToEthDevnet as `0x${string}`,
+  outboxAddress: veaOutboxArbToEthDevnet as `0x${string}`,
+  inboxFactory: new VeaInboxArbToEth__factory(),
+  outboxFactory: new VeaOutboxArbToEthDevnet__factory(),
   inboxSubgraph: getSubgraphUrl("vea-inbox-arbgoerli-to-goerli"),
   outboxSubgraph: getSubgraphUrl("FIXME"), // TODO,
 };
diff --git a/vea-sdk/src/message.ts b/vea-sdk/src/message.ts
index 475d6523..a9f2a98e 100644
--- a/vea-sdk/src/message.ts
+++ b/vea-sdk/src/message.ts
@@ -33,7 +33,7 @@ export const getMessageInfo = async (client: VeaClient, messageId: number): Prom
 };
 
 const getCount = async (client: VeaClient): Promise<number> => {
-  const subgraph = client.config.bridge.outboxSubgraph;
+  const subgraph = client.config.bridge.inboxSubgraph;
   const stateRoot = await client.outbox.stateRoot();
   const query = `{
     snapshotSaveds(first: 1, where: { stateRoot: "${stateRoot}" }) {
@@ -58,7 +58,7 @@ const getProofAtCount = async (client: VeaClient, messageId: number, count: numb
 
   const proof: any[] = [];
   try {
-    const subgraph = client.config.bridge.outboxSubgraph;
+    const subgraph = client.config.bridge.inboxSubgraph;
     const result: any = await request(subgraph, query);
     for (let i = 0; i < proofIndices.length; i++) {
       proof.push(result[`layer${i}`][0].hash);
@@ -90,10 +90,10 @@ const getProofIndices = (messageId: number, count: number) => {
 const getMessageDataToRelay = async (client: VeaClient, messageId: number): Promise<[string, string]> => {
   let dataAndTo: [string, string] = ["", ""];
   try {
-    const subgraph = client.config.bridge.outboxSubgraph;
+    const subgraph = client.config.bridge.inboxSubgraph;
     const query = `{
-        messageSents(first: 5, where: {messageId: ${messageId}}) {
-        messageId
+        messageSents(first: 5, where: {nonce: ${messageId}}) {
+        nonce
         to {
             id
         }
diff --git a/vea-sdk/src/sdk.ts b/vea-sdk/src/sdk.ts
index 06b806d2..c5593b10 100644
--- a/vea-sdk/src/sdk.ts
+++ b/vea-sdk/src/sdk.ts
@@ -11,9 +11,17 @@ export class ClientFactory {
     };
     const inboxProvider = new JsonRpcProvider(inboxRpc);
     const outboxProvider = new JsonRpcProvider(outboxRpc);
-    const veaInbox = bridge.inboxFactory.connect(bridge.inboxAddress, inboxProvider);
-    const veaOutbox = bridge.outboxFactory.connect(bridge.outboxAddress, outboxProvider);
-    // TODO: Check if the RPCs chainIds match the bridge chainIds
+    const veaInbox = Object.getPrototypeOf(bridge.inboxFactory).constructor.connect(bridge.inboxAddress, inboxProvider);
+    const veaOutbox = Object.getPrototypeOf(bridge.outboxFactory).constructor.connect(
+      bridge.outboxAddress,
+      outboxProvider
+    );
+    inboxProvider.getNetwork().then((network) => {
+      if (network.chainId !== bridge.inboxChainId) throw new Error("Incorrect Inbox RPC");
+    });
+    outboxProvider.getNetwork().then((network) => {
+      if (network.chainId !== bridge.outboxChainId) throw new Error("Incorrect Outbox RPC");
+    });
     return new VeaClient(config, inboxProvider, outboxProvider, veaInbox, veaOutbox);
   }