Add User-Agent header to requests

Author: kuzdogan

.github/workflows/release.yml

@@ -47,6 +47,9 @@ jobs:
         if: github.ref == 'refs/heads/main'
         run: cp .env.build.main .env
 
+      - name: Set git commit hash
+        run: echo -e "\nVITE_GIT_COMMIT=$(git rev-parse --short HEAD)" >> .env
+
       - name: Build
         run: npm run build
 

app/utils/chains.ts

@@ -1,8 +1,24 @@
 import type { Chain } from "../types/chains";
 
+/**
+ * Custom fetch function for Sourcify API calls that adds User-Agent header
+ */
+function sourcifyFetch(url: string, options: RequestInit = {}): Promise<Response> {
+  const gitCommit = import.meta.env.VITE_GIT_COMMIT || "dev";
+  const userAgent = `Sourcify-UI/${gitCommit} (verify.sourcify.dev; Web)`;
+  
+  return fetch(url, {
+    ...options,
+    headers: {
+      ...options.headers,
+      "User-Agent": userAgent,
+    },
+  });
+}
+
 export async function fetchChains(serverUrl: string): Promise<Chain[]> {
   try {
-    const response = await fetch(`${serverUrl}/chains`);
+    const response = await sourcifyFetch(`${serverUrl}/chains`);
 
     if (!response.ok) {
       throw new Error(`Failed to fetch chains: ${response.status} ${response.statusText}`);

app/utils/sourcifyApi.ts

@@ -2,6 +2,22 @@ import type { Language } from "../types/verification";
 import { fetchFromEtherscan, processEtherscanResult } from "./etherscanApi";
 import type { VyperVersion } from "../contexts/CompilerVersionsContext";
 
+/**
+ * Custom fetch function for Sourcify API calls that adds User-Agent header
+ */
+function sourcifyFetch(url: string, options: RequestInit = {}): Promise<Response> {
+  const gitCommit = import.meta.env.VITE_GIT_COMMIT || "dev";
+  const userAgent = `Sourcify-UI/${gitCommit} (verify.sourcify.dev; Web)`;
+  
+  return fetch(url, {
+    ...options,
+    headers: {
+      ...options.headers,
+      "User-Agent": userAgent,
+    },
+  });
+}
+
 export interface SolidityCompilerSettings {
   evmVersion?: string;
   optimizerEnabled: boolean;
@@ -104,7 +120,7 @@ async function submitStandardJsonVerification(
     ...(creationTransactionHash && { creationTransactionHash }),
   };
 
-  const response = await fetch(`${serverUrl}/v2/verify/${chainId}/${address}`, {
+  const response = await sourcifyFetch(`${serverUrl}/v2/verify/${chainId}/${address}`, {
     method: "POST",
     headers: {
       "Content-Type": "application/json",
@@ -193,7 +209,7 @@ export async function submitMetadataVerification(
     ...(creationTransactionHash && { creationTransactionHash }),
   };
 
-  const response = await fetch(`${serverUrl}/v2/verify/metadata/${chainId}/${address}`, {
+  const response = await sourcifyFetch(`${serverUrl}/v2/verify/metadata/${chainId}/${address}`, {
     method: "POST",
     headers: {
       "Content-Type": "application/json",
@@ -255,7 +271,7 @@ export async function getVerificationJobStatus(
   serverUrl: string,
   verificationId: string
 ): Promise<VerificationJobStatus> {
-  const response = await fetch(`${serverUrl}/v2/verify/${verificationId}`, {
+  const response = await sourcifyFetch(`${serverUrl}/v2/verify/${verificationId}`, {
     method: "GET",
     headers: {
       "Content-Type": "application/json",

app/utils/verification.ts

@@ -2,9 +2,25 @@ import type { AllChainsResponse, VerifiedContractMinimal } from "../types/verifi
 
 const SOURCIFY_REPO_URL = import.meta.env.VITE_SOURCIFY_REPO_URL || "https://repo.sourcify.dev";
 
+/**
+ * Custom fetch function for Sourcify API calls that adds User-Agent header
+ */
+function sourcifyFetch(url: string, options: RequestInit = {}): Promise<Response> {
+  const gitCommit = import.meta.env.VITE_GIT_COMMIT || "dev";
+  const userAgent = `Sourcify-UI/${gitCommit} (verify.sourcify.dev; Web)`;
+  
+  return fetch(url, {
+    ...options,
+    headers: {
+      ...options.headers,
+      "User-Agent": userAgent,
+    },
+  });
+}
+
 export async function fetchVerifiedAllChains(serverUrl: string, address: string): Promise<VerifiedContractMinimal[]> {
   try {
-    const response = await fetch(`${serverUrl}/v2/contract/all-chains/${address}`);
+    const response = await sourcifyFetch(`${serverUrl}/v2/contract/all-chains/${address}`);
 
     if (!response.ok) {
       if (response.status === 404) {
@@ -24,7 +40,7 @@ export async function fetchVerifiedAllChains(serverUrl: string, address: string)
 
 export async function fetchVerifiedContract(serverUrl: string, chainId: string, address: string): Promise<VerifiedContractMinimal | null> {
   try {
-    const response = await fetch(`${serverUrl}/v2/contract/${chainId}/${address}`);
+    const response = await sourcifyFetch(`${serverUrl}/v2/contract/${chainId}/${address}`);
 
     if (!response.ok) {
       if (response.status === 404) {