diff --git a/solidity/app/hardhat.config.ts b/solidity/app/hardhat.config.ts
index 67a906b88..ab1f2039d 100644
--- a/solidity/app/hardhat.config.ts
+++ b/solidity/app/hardhat.config.ts
@@ -1,4 +1,3 @@
-import '@abacus-network/hardhat';
 import '@nomiclabs/hardhat-waffle';
 import '@typechain/hardhat';
 import 'hardhat-gas-reporter';
diff --git a/typescript/hardhat/index.ts b/typescript/hardhat/index.ts
index 61659eed9..4f8e17471 100644
--- a/typescript/hardhat/index.ts
+++ b/typescript/hardhat/index.ts
@@ -1,20 +1,40 @@
+import { MultiProvider, TestChainNames } from '@abacus-network/sdk';
 import '@nomiclabs/hardhat-waffle';
+import { ethers } from 'ethers';
 import { extendEnvironment } from 'hardhat/config';
 import { lazyObject } from "hardhat/plugins";
-import { TestAbacusDeploy } from './src/TestAbacusDeploy'
-export { TestAbacusDeploy } from './src/TestAbacusDeploy'
-export { TestRouterDeploy } from './src/TestRouterDeploy'
-
-
-import "hardhat/types/runtime";
+import 'hardhat/types/runtime';
+import { TestCoreDeploy } from './src/TestCoreDeploy';
 
 declare module 'hardhat/types/runtime' {
   interface HardhatRuntimeEnvironment {
-    abacus: TestAbacusDeploy;
+    abacus: TestCoreDeploy;
   }
 }
 
+export function hardhatMultiProvider(
+  provider: ethers.providers.Provider,
+  signer?: ethers.Signer,
+): MultiProvider<TestChainNames> {
+  return new MultiProvider<TestChainNames>({
+    test1: {
+      provider,
+      signer,
+    },
+    test2: {
+      provider,
+      signer,
+    },
+    test3: {
+      provider,
+      signer,
+    },
+  });
+}
+
 // HardhatRuntimeEnvironment
 extendEnvironment((hre) => {
-  hre.abacus = lazyObject(() => new TestAbacusDeploy({ signer: {} }));
+  hre.abacus = lazyObject(
+    () => new TestCoreDeploy(hardhatMultiProvider(hre.ethers.provider)),
+  );
 });
diff --git a/typescript/hardhat/package.json b/typescript/hardhat/package.json
index 7e95937cf..ea58117a1 100644
--- a/typescript/hardhat/package.json
+++ b/typescript/hardhat/package.json
@@ -17,6 +17,7 @@
   },
   "dependencies": {
     "@abacus-network/core": "^0.1.1",
+    "@abacus-network/sdk": "^0.1.1",
     "@abacus-network/utils": "^0.1.1",
     "@nomiclabs/hardhat-ethers": "^2.0.5",
     "@nomiclabs/hardhat-waffle": "^2.0.2",
diff --git a/typescript/hardhat/src/TestAbacusDeploy.ts b/typescript/hardhat/src/TestAbacusDeploy.ts
deleted file mode 100644
index 7834cfedc..000000000
--- a/typescript/hardhat/src/TestAbacusDeploy.ts
+++ /dev/null
@@ -1,213 +0,0 @@
-import { TestDeploy } from './TestDeploy';
-import {
-  AbacusConnectionManager,
-  AbacusConnectionManager__factory,
-  InterchainGasPaymaster,
-  InterchainGasPaymaster__factory,
-  Outbox,
-  Outbox__factory,
-  TestInbox,
-  TestInbox__factory,
-  UpgradeBeaconController,
-  UpgradeBeaconController__factory,
-} from '@abacus-network/core';
-import { types } from '@abacus-network/utils';
-import { addressToBytes32 } from '@abacus-network/utils/dist/src/utils';
-import { ethers } from 'ethers';
-
-export type TestAbacusConfig = {
-  signer: Record<types.Domain, ethers.Signer>;
-};
-
-// Outbox & inbox validator managers are not required for testing and are therefore omitted.
-export type TestAbacusInstance = {
-  outbox: Outbox;
-  abacusConnectionManager: AbacusConnectionManager;
-  upgradeBeaconController: UpgradeBeaconController;
-  inboxes: Record<types.Domain, TestInbox>;
-  interchainGasPaymaster: InterchainGasPaymaster;
-};
-
-export class TestAbacusDeploy extends TestDeploy<
-  TestAbacusInstance,
-  TestAbacusConfig
-> {
-  async deploy(domains: types.Domain[], signer: ethers.Signer) {
-    // Clear previous deploy to support multiple tests.
-    for (const domain of this.domains) {
-      delete this.config.signer[domain];
-      delete this.instances[domain];
-    }
-    for (const domain of domains) {
-      this.config.signer[domain] = signer;
-    }
-    for (const domain of domains) {
-      this.instances[domain] = await this.deployInstance(domain);
-    }
-  }
-
-  async deployInstance(domain: types.Domain): Promise<TestAbacusInstance> {
-    const signer = this.config.signer[domain];
-
-    const upgradeBeaconControllerFactory = new UpgradeBeaconController__factory(
-      signer,
-    );
-    const upgradeBeaconController =
-      await upgradeBeaconControllerFactory.deploy();
-
-    const outboxFactory = new Outbox__factory(signer);
-    const outbox = await outboxFactory.deploy(domain);
-    // Outbox will require the validator manager to be a contract. We don't
-    // actually make use of the validator manager, so just we pass in the
-    // upgradeBeaconController as the validator manager to satisfy the contract
-    // requirement and avoid deploying a new validator manager.
-    await outbox.initialize(upgradeBeaconController.address);
-
-    const abacusConnectionManagerFactory = new AbacusConnectionManager__factory(
-      signer,
-    );
-    const abacusConnectionManager =
-      await abacusConnectionManagerFactory.deploy();
-    await abacusConnectionManager.setOutbox(outbox.address);
-
-    const interchainGasPaymasterFactory = new InterchainGasPaymaster__factory(
-      signer,
-    );
-    const interchainGasPaymaster = await interchainGasPaymasterFactory.deploy();
-    await abacusConnectionManager.setInterchainGasPaymaster(
-      interchainGasPaymaster.address,
-    );
-
-    const inboxFactory = new TestInbox__factory(signer);
-    const inboxes: Record<types.Domain, TestInbox> = {};
-
-    // this.remotes reads this.instances which has not yet been set.
-    const remotes = Object.keys(this.config.signer).map((d) => parseInt(d));
-    const deploys = remotes.map(async (remote) => {
-      const inbox = await inboxFactory.deploy(domain);
-      // Inbox will require the validator manager to be a contract. We don't
-      // actually make use of the validator manager, so we just pass in the
-      // upgradeBeaconController as the validator manager to satisfy the contract
-      // requirement and avoid deploying a new validator manager.
-      await inbox.initialize(
-        remote,
-        upgradeBeaconController.address,
-        ethers.constants.HashZero,
-        0,
-      );
-      await abacusConnectionManager.enrollInbox(remote, inbox.address);
-      inboxes[remote] = inbox;
-    });
-    await Promise.all(deploys);
-
-    // dispatch a dummy event to allow a consumer to checkpoint/process a single message
-    await outbox.dispatch(
-      remotes.find((_) => _ !== domain)!,
-      addressToBytes32(ethers.constants.AddressZero),
-      '0x',
-    );
-    return {
-      outbox,
-      abacusConnectionManager,
-      interchainGasPaymaster,
-      inboxes,
-      upgradeBeaconController,
-    };
-  }
-
-  async transferOwnership(domain: types.Domain, address: types.Address) {
-    await this.outbox(domain).transferOwnership(address);
-    await this.upgradeBeaconController(domain).transferOwnership(address);
-    await this.abacusConnectionManager(domain).transferOwnership(address);
-    for (const remote of this.remotes(domain)) {
-      await this.inbox(domain, remote).transferOwnership(address);
-    }
-  }
-
-  outbox(domain: types.Domain): Outbox {
-    return this.instances[domain].outbox;
-  }
-
-  upgradeBeaconController(domain: types.Domain): UpgradeBeaconController {
-    return this.instances[domain].upgradeBeaconController;
-  }
-
-  inbox(origin: types.Domain, destination: types.Domain): TestInbox {
-    return this.instances[destination].inboxes[origin];
-  }
-
-  interchainGasPaymaster(domain: types.Domain): InterchainGasPaymaster {
-    return this.instances[domain].interchainGasPaymaster;
-  }
-
-  abacusConnectionManager(domain: types.Domain): AbacusConnectionManager {
-    return this.instances[domain].abacusConnectionManager;
-  }
-
-  async processMessages(): Promise<
-    Map<types.Domain, Map<types.Domain, ethers.providers.TransactionResponse[]>>
-  > {
-    const responses: Map<
-      types.Domain,
-      Map<types.Domain, ethers.providers.TransactionResponse[]>
-    > = new Map();
-    for (const origin of this.domains) {
-      const outbound = await this.processOutboundMessages(origin);
-      responses.set(origin, new Map());
-      this.domains.forEach((destination) => {
-        responses
-          .get(origin)!
-          .set(destination, outbound.get(destination) ?? []);
-      });
-    }
-    return responses;
-  }
-
-  async processOutboundMessages(
-    origin: types.Domain,
-  ): Promise<Map<types.Domain, ethers.providers.TransactionResponse[]>> {
-    const responses: Map<types.Domain, ethers.providers.TransactionResponse[]> =
-      new Map();
-    const outbox = this.outbox(origin);
-    const [root, index] = await outbox.latestCheckpoint();
-
-    // Find all unprocessed messages dispatched on the outbox since the previous checkpoint.
-    const dispatchFilter = outbox.filters.Dispatch();
-    const dispatches = await outbox.queryFilter(dispatchFilter);
-    for (const dispatch of dispatches) {
-      if (dispatch.args.leafIndex > index) {
-        // Message has not been checkpointed on the outbox
-        break;
-      }
-
-      const destination = dispatch.args.destination;
-      if (destination === origin)
-        throw new Error('Dispatched message to local domain');
-      const inbox = this.inbox(origin, destination);
-      const status = await inbox.messages(dispatch.args.messageHash);
-      if (status !== types.MessageStatus.PROCESSED) {
-        if (dispatch.args.leafIndex.toNumber() == 0) {
-          // disregard the dummy message
-          continue;
-        }
-
-        const [, inboxCheckpointIndex] = await inbox.latestCheckpoint();
-        if (
-          inboxCheckpointIndex < dispatch.args.leafIndex &&
-          inboxCheckpointIndex < index
-        ) {
-          await inbox.setCheckpoint(root, index);
-        }
-
-        const response = await inbox.testProcess(
-          dispatch.args.message,
-          dispatch.args.leafIndex.toNumber(),
-        );
-        let destinationResponses = responses.get(destination) || [];
-        destinationResponses.push(response);
-        responses.set(destination, destinationResponses);
-      }
-    }
-    return responses;
-  }
-}
diff --git a/typescript/hardhat/src/TestCoreApp.ts b/typescript/hardhat/src/TestCoreApp.ts
new file mode 100644
index 000000000..d326f8907
--- /dev/null
+++ b/typescript/hardhat/src/TestCoreApp.ts
@@ -0,0 +1,90 @@
+import {
+  TestInbox,
+  TestInbox__factory,
+  TestOutbox__factory,
+} from '@abacus-network/core';
+import {
+  AbacusCore,
+  chainMetadata,
+  DomainIdToChainName,
+  objMap,
+  TestChainNames,
+} from '@abacus-network/sdk';
+import { types } from '@abacus-network/utils';
+import { ethers } from 'ethers';
+
+export class TestCoreApp extends AbacusCore<TestChainNames> {
+  getContracts<Local extends TestChainNames>(chain: Local) {
+    const contracts = super.getContracts(chain);
+    return {
+      ...contracts,
+      outbox: {
+        ...contracts.outbox,
+        outbox: TestOutbox__factory.connect(
+          contracts.outbox.outbox.address,
+          contracts.outbox.outbox.signer,
+        ),
+      },
+      inboxes: objMap(contracts.inboxes, (_, inbox) => ({
+        ...inbox,
+        inbox: TestInbox__factory.connect(
+          inbox.inbox.address,
+          inbox.inbox.signer,
+        ),
+      })),
+    };
+  }
+
+  async processMessages(): Promise<
+    Map<
+      TestChainNames,
+      Map<TestChainNames, ethers.providers.TransactionResponse[]>
+    >
+  > {
+    const responses = new Map();
+    for (const origin of this.chains()) {
+      const outbound = await this.processOutboundMessages(origin);
+      const originResponses = new Map();
+      this.remoteChains(origin).forEach((destination) =>
+        originResponses.set(destination, outbound.get(destination)),
+      );
+      responses.set(origin, originResponses);
+    }
+    return responses;
+  }
+
+  async processOutboundMessages<Local extends TestChainNames>(origin: Local) {
+    const responses = new Map();
+    const contracts = this.getContracts(origin);
+    const outbox = contracts.outbox.outbox;
+
+    const dispatchFilter = outbox.filters.Dispatch();
+    const dispatches = await outbox.queryFilter(dispatchFilter);
+    for (const dispatch of dispatches) {
+      const destination = dispatch.args.destination;
+      if (destination === chainMetadata[origin].id) {
+        throw new Error('Dispatched message to local domain');
+      }
+      const destinationChain = DomainIdToChainName[destination];
+      const inbox: TestInbox =
+        // @ts-ignore
+        this.getContracts(destinationChain).inboxes[origin].inbox;
+      const status = await inbox.messages(dispatch.args.messageHash);
+      if (status !== types.MessageStatus.PROCESSED) {
+        if (dispatch.args.leafIndex.toNumber() == 0) {
+          // disregard the dummy message
+          continue;
+        }
+
+        const response = await inbox.testProcess(
+          dispatch.args.message,
+          dispatch.args.leafIndex.toNumber(),
+        );
+        let destinationResponses = responses.get(destinationChain) || [];
+        destinationResponses.push(response);
+        responses.set(destinationChain, destinationResponses);
+      }
+    }
+    return responses;
+  }
+}
diff --git a/typescript/hardhat/src/TestCoreDeploy.ts b/typescript/hardhat/src/TestCoreDeploy.ts
new file mode 100644
index 000000000..037380190
--- /dev/null
+++ b/typescript/hardhat/src/TestCoreDeploy.ts
@@ -0,0 +1,61 @@
+import { TestCoreApp } from './TestCoreApp';
+import { TestInbox__factory, TestOutbox__factory } from '@abacus-network/core';
+import { AbacusCoreDeployer, CoreConfig } from '@abacus-network/deploy';
+import {
+  chainMetadata,
+  CoreContractAddresses,
+  MultiProvider,
+  TestChainNames,
+} from '@abacus-network/sdk';
+import { utils } from '@abacus-network/utils';
+import { ethers } from 'ethers';
+
+// dummy config as TestInbox and TestOutbox do not use deployed ValidatorManager
+const testValidatorManagerConfig: CoreConfig = {
+  validatorManager: {
+    validators: [ethers.constants.AddressZero],
+    threshold: 1,
+  },
+};
+
+export class TestCoreDeploy extends AbacusCoreDeployer<TestChainNames> {
+  constructor(public readonly multiProvider: MultiProvider<TestChainNames>) {
+    super(multiProvider, {
+      test1: testValidatorManagerConfig,
+      test2: testValidatorManagerConfig,
+      test3: testValidatorManagerConfig,
+    });
+  }
+
+  inboxFactoryBuilder = (signer: ethers.Signer) =>
+    new TestInbox__factory(signer);
+  outboxFactoryBuilder = (signer: ethers.Signer) =>
+    new TestOutbox__factory(signer);
+
+  async deployContracts<LocalChain extends TestChainNames>(
+    local: LocalChain,
+    config: CoreConfig,
+  ): Promise<CoreContractAddresses<TestChainNames, LocalChain>> {
+    const addresses = await super.deployContracts(local, config);
+
+    const signer = this.multiProvider.getChainConnection(local).signer!;
+    const outbox = this.outboxFactoryBuilder(signer).attach(
+      addresses.outbox.proxy,
+    );
+    const remote = this.multiProvider.remoteChains(local)[0];
+
+    // dispatch a dummy event to allow a consumer to checkpoint/process a single message
+    await outbox.dispatch(
+      chainMetadata[remote].id,
+      utils.addressToBytes32(ethers.constants.AddressZero),
+      '0x',
+    );
+
+    return addresses;
+  }
+
+  async deployCore() {
+    const result = await super.deploy();
+    return new TestCoreApp(result, this.multiProvider);
+  }
+}
diff --git a/typescript/hardhat/src/TestDeploy.ts b/typescript/hardhat/src/TestDeploy.ts
deleted file mode 100644
index b62c02761..000000000
--- a/typescript/hardhat/src/TestDeploy.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import { types } from '@abacus-network/utils';
-
-export class TestDeploy<T, V> {
-  public readonly config: V;
-  public readonly instances: Record<types.Domain, T>;
-
-  constructor(config: V) {
-    this.config = config;
-    this.instances = {};
-  }
-
-  get domains(): types.Domain[] {
-    return Object.keys(this.instances).map((d) => parseInt(d));
-  }
-
-  remotes(domain: types.Domain): types.Domain[] {
-    return this.domains.filter((d) => d !== domain);
-  }
-}
diff --git a/typescript/hardhat/src/TestRouterDeploy.ts b/typescript/hardhat/src/TestRouterDeploy.ts
deleted file mode 100644
index 8c3a382c9..000000000
--- a/typescript/hardhat/src/TestRouterDeploy.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-import { TestAbacusDeploy } from './TestAbacusDeploy';
-import { TestDeploy } from './TestDeploy';
-import { types, utils } from '@abacus-network/utils';
-
-export interface Router {
-  address: types.Address;
-  enrollRemoteRouter(domain: types.Domain, router: types.Address): Promise<any>;
-}
-
-export abstract class TestRouterDeploy<T, V> extends TestDeploy<T, V> {
-  async deploy(abacus: TestAbacusDeploy) {
-    for (const domain of abacus.domains) {
-      this.instances[domain] = await this.deployInstance(domain, abacus);
-    }
-    for (const local of this.domains) {
-      for (const remote of this.remotes(local)) {
-        await this.router(local).enrollRemoteRouter(
-          remote,
-          utils.addressToBytes32(this.router(remote).address),
-        );
-      }
-    }
-  }
-
-  abstract deployInstance(
-    domain: types.Domain,
-    abacus: TestAbacusDeploy,
-  ): Promise<T>;
-  abstract router(domain: types.Domain): Router;
-}
diff --git a/typescript/hardhat/test/testAbacusDeploy.test.ts b/typescript/hardhat/test/testAbacusDeploy.test.ts
index 7c941669b..6369bd19f 100644
--- a/typescript/hardhat/test/testAbacusDeploy.test.ts
+++ b/typescript/hardhat/test/testAbacusDeploy.test.ts
@@ -1,24 +1,29 @@
-import { TestAbacusDeploy } from '..';
-import { TestRecipient__factory } from '@abacus-network/core';
+import { hardhatMultiProvider } from '../index';
+import { TestCoreApp } from '../src/TestCoreApp';
+import { TestCoreDeploy } from '../src/TestCoreDeploy';
+import { TestOutbox, TestRecipient__factory } from '@abacus-network/core';
+import { chainMetadata } from '@abacus-network/sdk';
 import { utils } from '@abacus-network/utils';
 import { expect } from 'chai';
 import { ethers } from 'hardhat';
 
-const localDomain = 1000;
-const remoteDomain = 2000;
-const domains = [localDomain, remoteDomain];
+const localChain = 'test1';
+const localDomain = chainMetadata[localChain].id;
+const remoteChain = 'test2';
+const remoteDomain = chainMetadata[remoteChain].id;
 const message = '0xdeadbeef';
 
-describe('TestAbacusDeploy', async () => {
-  let abacus: TestAbacusDeploy;
+describe('TestCoreDeploy', async () => {
+  let abacus: TestCoreApp, localOutbox: TestOutbox, remoteOutbox: TestOutbox;
 
   beforeEach(async () => {
-    abacus = new TestAbacusDeploy({ signer: {} });
     const [signer] = await ethers.getSigners();
-    await abacus.deploy(domains, signer);
+    const multiProvider = hardhatMultiProvider(ethers.provider, signer);
+    const deployer = new TestCoreDeploy(multiProvider);
+    abacus = await deployer.deployCore();
 
     const recipient = await new TestRecipient__factory(signer).deploy();
-    const localOutbox = abacus.outbox(localDomain);
+    localOutbox = abacus.getContracts(localChain).outbox.outbox;
     await expect(
       localOutbox.dispatch(
         remoteDomain,
@@ -26,7 +31,7 @@ describe('TestAbacusDeploy', async () => {
         message,
       ),
     ).to.emit(localOutbox, 'Dispatch');
-    const remoteOutbox = abacus.outbox(remoteDomain);
+    remoteOutbox = abacus.getContracts(remoteChain).outbox.outbox;
     await expect(
       remoteOutbox.dispatch(
         localDomain,
@@ -36,57 +41,21 @@ describe('TestAbacusDeploy', async () => {
     ).to.emit(remoteOutbox, 'Dispatch');
   });
 
-  describe('without a created checkpoint', () => {
-    it('does not process outbound messages', async () => {
-      const responses = await abacus.processOutboundMessages(localDomain);
-      expect(responses.get(remoteDomain)).to.be.undefined;
-    });
+  it('processes outbound messages for a single domain', async () => {
+    const responses = await abacus.processOutboundMessages(localChain);
+    expect(responses.get(remoteChain)!.length).to.equal(1);
   });
 
-  describe('with a checkpoint', () => {
-    beforeEach(async () => {
-      const localOutbox = abacus.outbox(localDomain);
-      const remoteOutbox = abacus.outbox(remoteDomain);
-      await localOutbox.checkpoint();
-      await remoteOutbox.checkpoint();
-    });
-
-    it('processes outbound messages for a single domain', async () => {
-      const responses = await abacus.processOutboundMessages(localDomain);
-      expect(responses.get(remoteDomain)!.length).to.equal(1);
-      const [_, index] = await abacus.outbox(localDomain).latestCheckpoint();
-      expect(index).to.equal(1);
-    });
-
-    it('processes outbound messages for two domains', async () => {
-      const localResponses = await abacus.processOutboundMessages(localDomain);
-      expect(localResponses.get(remoteDomain)!.length).to.equal(1);
-      const [, localIndex] = await abacus
-        .outbox(localDomain)
-        .latestCheckpoint();
-      expect(localIndex).to.equal(1);
-      const remoteResponses = await abacus.processOutboundMessages(
-        remoteDomain,
-      );
-      expect(remoteResponses.get(localDomain)!.length).to.equal(1);
-      const [, remoteIndex] = await abacus
-        .outbox(remoteDomain)
-        .latestCheckpoint();
-      expect(remoteIndex).to.equal(1);
-    });
+  it('processes outbound messages for two domains', async () => {
+    const localResponses = await abacus.processOutboundMessages(localChain);
+    expect(localResponses.get(remoteChain)!.length).to.equal(1);
+    const remoteResponses = await abacus.processOutboundMessages(remoteChain);
+    expect(remoteResponses.get(localChain)!.length).to.equal(1);
+  });
 
-    it('processes all messages', async () => {
-      const responses = await abacus.processMessages();
-      expect(responses.get(localDomain)!.get(remoteDomain)!.length).to.equal(1);
-      expect(responses.get(remoteDomain)!.get(localDomain)!.length).to.equal(1);
-      const [, localIndex] = await abacus
-        .outbox(localDomain)
-        .latestCheckpoint();
-      expect(localIndex).to.equal(1);
-      const [, remoteIndex] = await abacus
-        .outbox(remoteDomain)
-        .latestCheckpoint();
-      expect(remoteIndex).to.equal(1);
-    });
+  it('processes all messages', async () => {
+    const responses = await abacus.processMessages();
+    expect(responses.get(localChain)!.get(remoteChain)!.length).to.equal(1);
+    expect(responses.get(remoteChain)!.get(localChain)!.length).to.equal(1);
   });
 });
diff --git a/typescript/sdk/src/app.ts b/typescript/sdk/src/app.ts
index 0c6dabe50..eb58e24da 100644
--- a/typescript/sdk/src/app.ts
+++ b/typescript/sdk/src/app.ts
@@ -10,7 +10,7 @@ export class AbacusApp<
   constructor(
     builder: ContractsBuilder<any, Contracts>,
     contractAddresses: ChainMap<Chain, any>,
-    multiProvider: MultiProvider<Chain>,
+    readonly multiProvider: MultiProvider<Chain>,
   ) {
     super(
       objMap(
diff --git a/typescript/sdk/src/index.ts b/typescript/sdk/src/index.ts
index feb6f6da1..b75650e32 100644
--- a/typescript/sdk/src/index.ts
+++ b/typescript/sdk/src/index.ts
@@ -52,5 +52,6 @@ export {
   ProxiedAddress,
   RemoteChainMap,
   Remotes,
+  TestChainNames,
 } from './types';
 export { objMap, objMapEntries, promiseObjAll, utils } from './utils';
diff --git a/yarn.lock b/yarn.lock
index 1c2d48ae8..8d635cc29 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -90,6 +90,7 @@ __metadata:
   resolution: "@abacus-network/hardhat@workspace:typescript/hardhat"
   dependencies:
     "@abacus-network/core": ^0.1.1
+    "@abacus-network/sdk": ^0.1.1
     "@abacus-network/utils": ^0.1.1
     "@nomiclabs/hardhat-ethers": ^2.0.5
     "@nomiclabs/hardhat-waffle": ^2.0.2