diff --git a/.changeset/chilly-bags-battle.md b/.changeset/chilly-bags-battle.md
new file mode 100644
index 00000000..c57358bf
--- /dev/null
+++ b/.changeset/chilly-bags-battle.md
@@ -0,0 +1,5 @@
+---
+"niljs": patch
+---
+
+Add commitlint config in typescript
diff --git a/.changeset/sharp-owls-behave.md b/.changeset/sharp-owls-behave.md
new file mode 100644
index 00000000..065dfcdf
--- /dev/null
+++ b/.changeset/sharp-owls-behave.md
@@ -0,0 +1,5 @@
+---
+"niljs": patch
+---
+
+Add IReceipt and ILog interfaces
diff --git a/.commitlintrc b/.commitlintrc
deleted file mode 100644
index 577ab65b..00000000
--- a/.commitlintrc
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "extends": ["@commitlint/config-conventional"],
-  "rules": {
-    "body-max-line-length": [0, "always", 100],
-    "footer-max-line-length": [0, "always", 100],
-    "footer-leading-blank": [0, "always", 100],
-    "references-empty": [2, "never"],
-    "type-empty": [0, "never"],
-    "subject-empty": [0, "never"]
-  }
-}
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index c4c0698a..43265ce6 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -31,25 +31,25 @@ jobs:
           title: "Version Packages"
           commit: "version packages"
 
-  # publish:
-  #   name: Publish
-  #   needs: version-pull-request
-  #   runs-on: ubuntu-latest
-  #   permissions:
-  #     contents: write
-  #     id-token: write
-  #   steps:
-  #     - name: Clone repository
-  #       uses: actions/checkout@v4
-  #     - name: Install dependencies
-  #       uses: ./.github/actions/install-dependencies
-  #       with:
-  #         node_version: 20
-  #     - name: Publish to NPM
-  #       uses: changesets/action@v1
-  #       with:
-  #         createGithubReleases: true
-  #         publish: "npm run changeset:publish"
-  #       env:
-  #         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  #         NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+  publish:
+    name: Publish
+    needs: version-pull-request
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      id-token: write
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v4
+      - name: Install dependencies
+        uses: ./.github/actions/install-dependencies
+        with:
+          node_version: 20
+      - name: Publish to NPM
+        uses: changesets/action@v1
+        with:
+          createGithubReleases: true
+          publish: "npm run changeset:publish"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
diff --git a/commitlint.config.ts b/commitlint.config.ts
new file mode 100644
index 00000000..04fb3e98
--- /dev/null
+++ b/commitlint.config.ts
@@ -0,0 +1,17 @@
+import type { UserConfig } from "@commitlint/types";
+
+const config = {
+  extends: ["@commitlint/config-conventional"],
+  rules: {
+    "body-max-line-length": [0, "always", 100],
+    "footer-max-line-length": [0, "always", 100],
+    "footer-leading-blank": [0, "always"],
+    "references-empty": [2, "never"],
+    "type-empty": [0, "never"],
+    "subject-empty": [0, "never"],
+  },
+  ignores: [(message) => message.includes("version packages")],
+  defaultIgnores: false,
+} satisfies UserConfig;
+
+export default config;
diff --git a/src/clients/WalletClient.ts b/src/clients/WalletClient.ts
index 4833ddc5..90c5409e 100644
--- a/src/clients/WalletClient.ts
+++ b/src/clients/WalletClient.ts
@@ -2,6 +2,7 @@ import invariant from "tiny-invariant";
 import { messageToSsz, signedMessageToSsz } from "../encoding/toSsz.js";
 import type { ISigner } from "../signers/index.js";
 import type { IMessage } from "../types/IMessage.js";
+import type { IReceipt } from "../types/IReceipt.js";
 import { assertIsValidMessage } from "../utils/assert.js";
 import { BaseClient } from "./BaseClient.js";
 import type { IWalletClientConfig } from "./types/ClientConfigs.js";
@@ -29,8 +30,7 @@ class WalletClient extends BaseClient {
 
   /**
    * sendMessage sends a message to the network.
-   * @param message - The message to send. It can be a raw message or a base message object.
-   * If the message is a raw message, it will be signed with the signer, that is passed in the constructor.
+   * @param message - The message to send. It will be signed with the signer.
    * @param options - The options to send a message.
    * @returns The hash of the message.
    * @example
@@ -127,12 +127,20 @@ class WalletClient extends BaseClient {
    */
   public async deployContract(contract: Uint8Array): Promise<Uint8Array> {
     const hash = await this.sendRawMessage(contract);
-    // there will be a method to get receipt by hash
-    // receipt - result of smart conract calling
-    // we should wait to receipts to be sure that message is included in the block
+    // there will be a method to get receipt by hash, but it is not implemented yet
+    // it will use kinda polling to get receipt asap
+    // mocking it for now:
+    const receipt: Partial<IReceipt> = {
+      success: true,
+    };
 
     // ! compiling smart contract to the bytecode shall not be included in this library
     // it can be done by hardhat
+    invariant(
+      receipt.success,
+      "Contract deployment failed. Please check the contract bytecode.",
+    );
+
     return hash;
   }
 }
diff --git a/src/encoding/fromHex.ts b/src/encoding/fromHex.ts
index 5ad81873..370346e5 100644
--- a/src/encoding/fromHex.ts
+++ b/src/encoding/fromHex.ts
@@ -2,6 +2,7 @@ import {
   type Hex,
   hexToBytes as hexToBytesNoble,
 } from "@noble/curves/abstract/utils";
+import { addHexPrefix } from "../index.js";
 
 /**
  * Convert a hex string to bytes.
@@ -42,4 +43,17 @@ const hexToString = (hex: Hex): string => {
   return Buffer.from(hex, "hex").toString("utf-8");
 };
 
-export { hexToBytes, hexToNumber, hexToString };
+/**
+ * Convert a hex string to a bigint.
+ * @param hex - The hex string to convert to a bigint.
+ * @returns The bigint representation of the input.
+ */
+const hexToBigInt = (hex: Hex): bigint => {
+  if (typeof hex !== "string") {
+    return hexToBigInt(hex.toString());
+  }
+
+  return BigInt(addHexPrefix(hex));
+};
+
+export { hexToBytes, hexToNumber, hexToString, hexToBigInt };
diff --git a/src/signers/LocalKeySigner.ts b/src/signers/LocalKeySigner.ts
index 721a14e3..0ff58957 100644
--- a/src/signers/LocalKeySigner.ts
+++ b/src/signers/LocalKeySigner.ts
@@ -1,7 +1,7 @@
 import { secp256k1 } from "@noble/curves/secp256k1";
 import { toHex } from "../encoding/toHex.js";
 import { assertIsHexString, assertIsValidPrivateKey } from "../utils/assert.js";
-import { getPublicKey } from "./getPublicKey.js";
+import { getPublicKey } from "./publicKey.js";
 import type { ILocalKeySignerConfig } from "./types/ILocalKeySignerConfig.js";
 import type { ISignature } from "./types/ISignature.js";
 import type { ISigner } from "./types/ISigner.js";
diff --git a/src/signers/generatePrivateKey.ts b/src/signers/generatePrivateKey.ts
deleted file mode 100644
index a0bbdcf6..00000000
--- a/src/signers/generatePrivateKey.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-import type { Hex } from "@noble/curves/abstract/utils";
-import { secp256k1 } from "@noble/curves/secp256k1";
-import { toHex } from "../index.js";
-
-/**
- * Generate a new private key.
- * @returns Hex - Private key
- * @example
- * const privateKey = generatePrivateKey();
- */
-const generatePrivateKey = (): Hex => toHex(secp256k1.utils.randomPrivateKey());
-
-export { generatePrivateKey };
diff --git a/src/signers/getPublicKey.ts b/src/signers/getPublicKey.ts
deleted file mode 100644
index 8c373225..00000000
--- a/src/signers/getPublicKey.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-import { type Hex, bytesToHex } from "@noble/curves/abstract/utils";
-import { secp256k1 } from "@noble/curves/secp256k1";
-import { addHexPrefix, removeHexPrefix } from "../index.js";
-import type { IPrivateKey } from "./types/IPrivateKey.js";
-
-/**
- * Returns the public key from the private key using the secp256k1 curve.
- */
-const getPublicKey = (privateKey: IPrivateKey): Hex => {
-  const publicKey = secp256k1.getPublicKey(removeHexPrefix(privateKey), false);
-  return addHexPrefix(bytesToHex(publicKey));
-};
-
-export { getPublicKey };
diff --git a/src/signers/index.ts b/src/signers/index.ts
index 7787b47b..1c7774bd 100644
--- a/src/signers/index.ts
+++ b/src/signers/index.ts
@@ -1,8 +1,7 @@
 export * from "./LocalKeySigner.js";
-export * from "./verifySignature.js";
-export * from "./getPublicKey.js";
+export * from "./verifyMessage.js";
+export * from "./publicKey.js";
 export * from "./types/ILocalKeySignerConfig.js";
 export * from "./types/IPrivateKey.js";
 export * from "./types/ISigner.js";
 export * from "./types/ISignature.js";
-export * from "./generatePrivateKey.js";
diff --git a/src/signers/getPublicKey.test.ts b/src/signers/publicKey.test.ts
similarity index 85%
rename from src/signers/getPublicKey.test.ts
rename to src/signers/publicKey.test.ts
index f6c2fe6b..951e9e51 100644
--- a/src/signers/getPublicKey.test.ts
+++ b/src/signers/publicKey.test.ts
@@ -1,5 +1,5 @@
 import { accounts } from "../../test/mocks/accounts.js";
-import { getPublicKey } from "./getPublicKey.js";
+import { getPublicKey } from "./publicKey.js";
 
 test("getPublicKey", async ({ expect }) => {
   const account = accounts[0];
diff --git a/src/signers/publicKey.ts b/src/signers/publicKey.ts
new file mode 100644
index 00000000..3387d2ad
--- /dev/null
+++ b/src/signers/publicKey.ts
@@ -0,0 +1,34 @@
+import { type Hex, bytesToHex } from "@noble/curves/abstract/utils";
+import { secp256k1 } from "@noble/curves/secp256k1";
+import {
+  type ISignature,
+  addHexPrefix,
+  removeHexPrefix,
+  toHex,
+} from "../index.js";
+import type { IPrivateKey } from "./types/IPrivateKey.js";
+
+/**
+ * Returns the public key from the private key using the secp256k1 curve.
+ */
+const getPublicKey = (privateKey: IPrivateKey): Hex => {
+  const publicKey = secp256k1.getPublicKey(removeHexPrefix(privateKey), false);
+  return addHexPrefix(bytesToHex(publicKey));
+};
+
+/**
+ * Generate a new private key.
+ * @returns Hex - Private key
+ * @example
+ * const privateKey = generatePrivateKey();
+ */
+const generatePrivateKey = (): Hex => toHex(secp256k1.utils.randomPrivateKey());
+
+const recoverPublicKey = (
+  messageHash: Hex | Uint8Array,
+  signature: ISignature,
+) => {
+  //
+};
+
+export { getPublicKey, generatePrivateKey, recoverPublicKey };
diff --git a/src/signers/generatePrivateKey.test.ts b/src/signers/verifyMessage.test.ts
similarity index 100%
rename from src/signers/generatePrivateKey.test.ts
rename to src/signers/verifyMessage.test.ts
diff --git a/src/signers/verifyMessage.ts b/src/signers/verifyMessage.ts
new file mode 100644
index 00000000..7102f446
--- /dev/null
+++ b/src/signers/verifyMessage.ts
@@ -0,0 +1,10 @@
+import type { Hex } from "@noble/curves/abstract/utils";
+import type { ISignature } from "./index.js";
+
+const verifyMessage = async (
+  signature: ISignature,
+  messageHash: Uint8Array,
+  fullPublicKey: Hex,
+) => {
+  //
+};
diff --git a/src/signers/verifySignature.test.ts b/src/signers/verifySignature.test.ts
deleted file mode 100644
index e69de29b..00000000
diff --git a/src/signers/verifySignature.ts b/src/signers/verifySignature.ts
deleted file mode 100644
index e69de29b..00000000
diff --git a/src/types/ILog.ts b/src/types/ILog.ts
new file mode 100644
index 00000000..b9772248
--- /dev/null
+++ b/src/types/ILog.ts
@@ -0,0 +1,11 @@
+/**
+ * Log interface.
+ */
+type ILog = {
+  address: string;
+  topics: string[];
+  data: string;
+  blockNumber: bigint;
+};
+
+export type { ILog };
diff --git a/src/types/IReceipt.ts b/src/types/IReceipt.ts
new file mode 100644
index 00000000..4c761e77
--- /dev/null
+++ b/src/types/IReceipt.ts
@@ -0,0 +1,18 @@
+import type { ILog } from "./ILog.js";
+
+/**
+ * Receipt interface.
+ */
+type IReceipt = {
+  success: boolean;
+  gasUsed: number;
+  bloom: string;
+  logs: ILog[];
+  msgHash: string;
+  contractAddress: string;
+  blockHash: string;
+  blockNumber: bigint;
+  msgIndex: bigint;
+};
+
+export type { IReceipt };
diff --git a/src/types/index.ts b/src/types/index.ts
index 7f85463c..741521d6 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -1,6 +1,5 @@
-export * from "../clients/types/ClientConfigs.js";
 export * from "./IMessage.js";
-export * from "../signers/types/ISigner.js";
-export * from "../signers/types/IPrivateKey.js";
 export * from "./IBlock.js";
-export * from "../signers/types/ILocalKeySignerConfig.js";
+export * from "./ISignedMessage.js";
+export * from "./IReceipt.js";
+export * from "./ILog.js";
diff --git a/src/utils/assert.ts b/src/utils/assert.ts
index e4d34faf..15d4ff10 100644
--- a/src/utils/assert.ts
+++ b/src/utils/assert.ts
@@ -76,9 +76,22 @@ const assertIsValidMessage = (message: IMessage) => {
   );
 };
 
+/**
+ * Checks if the address is valid. If the address is valid, it returns nothing.
+ * @param address - The address to check.
+ * @param message - The message to throw if the address is invalid.
+ */
+const assertIsAddress = (address: string, message?: string): void => {
+  invariant(
+    isAddress(address),
+    message ?? `Expected a valid address but got ${address}`,
+  );
+};
+
 export {
   assertIsBuffer,
   assertIsHexString,
   assertIsValidPrivateKey,
   assertIsValidMessage,
+  assertIsAddress,
 };