diff --git a/packages/core/src/errors/customErrors.ts b/packages/core/src/errors/customErrors.ts
deleted file mode 100644
index 1a74fae78..000000000
--- a/packages/core/src/errors/customErrors.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-class SygmaSdkError extends Error {
-  constructor(message: string) {
-    super(message);
-    this.name = this.constructor.name;
-  }
-}
-
-export class LiquidityError extends SygmaSdkError {
-  availableLiquidity: bigint;
-
-  constructor(destinationLiquidity: bigint) {
-    super(
-      `Destination chain liquidity is too low to perform this transfer. Transfer is limited to ${destinationLiquidity.toString()}`,
-    );
-    this.availableLiquidity = destinationLiquidity;
-  }
-}
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 3a9512be5..13d7eeed9 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -1,6 +1,5 @@
 export * from './baseTransfer.js';
 export * from './config/config.js';
 export * from './constants.js';
-export * from './errors/customErrors.js';
 export * from './types.js';
 export * from './utils.js';
diff --git a/packages/core/test/baseTransfer.test.ts b/packages/core/test/baseTransfer.test.ts
new file mode 100644
index 000000000..f32a035fa
--- /dev/null
+++ b/packages/core/test/baseTransfer.test.ts
@@ -0,0 +1,72 @@
+import { enableFetchMocks } from 'jest-fetch-mock';
+import { BaseTransfer, BaseTransferParams } from '../src/baseTransfer.js';
+import { ConfigUrl } from '../src/constants.js';
+import { Config, Environment, EvmResource, ResourceType } from '../src/index.js';
+import { mockedDevnetConfig } from './constants.js';
+
+enableFetchMocks();
+
+const TRANSFER_PARAMS: BaseTransferParams = {
+  source: 111,
+  destination: 111,
+  resource: '0x0000000000000000000000000000000000000000000000000000000000000000',
+  sourceAddress: '0x00',
+};
+
+class Transfer extends BaseTransfer {
+  constructor(params: BaseTransferParams, config: Config) {
+    super(params, config);
+  }
+}
+
+describe('BaseTransfer', () => {
+  let config: Config;
+
+  beforeAll(async () => {
+    jest.clearAllMocks();
+    fetchMock.resetMocks();
+    fetchMock.doMock();
+    fetchMock.mockIf(ConfigUrl.DEVNET.toString(), JSON.stringify(mockedDevnetConfig));
+    config = new Config();
+    await config.init(Environment.DEVNET);
+  });
+
+  it('should be able to instantiate a transfer object', async () => {
+    const transfer = new Transfer(TRANSFER_PARAMS, config);
+    expect(transfer).toBeInstanceOf(Transfer);
+  });
+
+  it('should not be able to instantiate a transfer object with an invalid domain', async () => {
+    const config = new Config();
+    await config.init(Environment.DEVNET);
+
+    expect(() => new Transfer({ ...TRANSFER_PARAMS, destination: 54 }, config)).toThrow(
+      'Domain configuration not found.',
+    );
+  });
+
+  it('should be able to set resource', async () => {
+    const config = new Config();
+    await config.init(Environment.DEVNET);
+    const transfer = new Transfer(TRANSFER_PARAMS, config);
+
+    const resource: EvmResource = {
+      resourceId: '0x00',
+      caip19: 'caip:id',
+      type: ResourceType.FUNGIBLE,
+      address: '0x00',
+    };
+
+    transfer.setResource(resource);
+    expect(transfer.resource.caip19).toEqual(resource.caip19);
+  });
+
+  it('should be able to set destination domain', async () => {
+    const config = new Config();
+    await config.init(Environment.DEVNET);
+    const transfer = new Transfer(TRANSFER_PARAMS, config);
+
+    transfer.setDesinationDomain('ethereum:1');
+    expect(transfer.destination).toBeTruthy();
+  });
+});
diff --git a/packages/core/test/constants.ts b/packages/core/test/constants.ts
index 09ad802ec..018f50405 100644
--- a/packages/core/test/constants.ts
+++ b/packages/core/test/constants.ts
@@ -76,5 +76,45 @@ export const mockedDevnetConfig = {
         },
       ],
     },
+    {
+      chainId: 222,
+      id: 221,
+      caipId: 'ethereum:1',
+      name: 'ethereum:1',
+      type: 'evm',
+      bridge: '0xb36C801f644908bAAe89b7C28ad57Af18638A6a9',
+      handlers: [
+        {
+          type: 'erc20',
+          address: '0xAf2DB8059Bd69ba9Ac4c59D25de1C87931e62448',
+        },
+      ],
+      parachainId: undefined,
+      nativeTokenSymbol: 'eth',
+      nativeTokenFullName: 'ether',
+      nativeTokenDecimals: 18,
+      blockConfirmations: 5,
+      startBlock: 7225328,
+      feeHandlers: [
+        {
+          address: '0x81bbFC4aC5E731d9EAdb749a7e7A6E973CF7E399',
+          type: 'basic',
+        },
+        {
+          address: '0xF5703Fcf2bfFC33625857D8ae8994b3260AA3c1f',
+          type: 'oracle',
+        },
+      ],
+      resources: [
+        {
+          resourceId: '0x0000000000000000000000000000000000000000000000000000000000000000',
+          caip19: 'caip19',
+          type: 'erc20',
+          address: '0x3D151A97A446C9ea6893038e7C0db73466f3f3af',
+          symbol: 'ERC20TST',
+          decimals: 18,
+        },
+      ],
+    },
   ],
 };
diff --git a/tsconfig.base.json b/tsconfig.base.json
index e33324f76..eca1dada2 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -27,5 +27,12 @@
   "ts-node": {
     "esm": true,
     "experimentalSpecifierResolution": "node"
-  }
+  },
+  "references": [
+    { "path": "packages/core" },
+    { "path": "packages/evm" },
+    { "path": "packages/substrate" },
+    { "path": "packages/utils" }
+  ],
+  "exclude": ["**/node_modules/**"]
 }