feat: add netlify function to fetch attestor group public key

netlify/functions/fetch-extended-attestor-group-public-key.ts

@@ -0,0 +1,42 @@
+import { Handler, HandlerEvent } from '@netlify/functions';
+import { getAttestorExtendedGroupPublicKey } from 'dlc-btc-lib/attestor-request-functions';
+
+const handler: Handler = async (event: HandlerEvent) => {
+  try {
+    if (!event.queryStringParameters) {
+      return {
+        statusCode: 400,
+        body: JSON.stringify({
+          message: 'No Parameters were provided',
+        }),
+      };
+    }
+
+    if (!event.queryStringParameters.coordinatorURL) {
+      return {
+        statusCode: 400,
+        body: JSON.stringify({
+          message: 'No Coordinator URL was provided',
+        }),
+      };
+    }
+
+    const coordinatorURL = event.queryStringParameters.coordinatorURL;
+
+    const attestorGroupPublicKey = await getAttestorExtendedGroupPublicKey(coordinatorURL);
+
+    return {
+      statusCode: 200,
+      body: attestorGroupPublicKey,
+    };
+  } catch (error: any) {
+    return {
+      statusCode: 500,
+      body: JSON.stringify({
+        message: `Failed to get Extended Attestor Group Public Key: ${error.message}`,
+      }),
+    };
+  }
+};
+
+export { handler };

src/app/functions/netlify-fetch.functions.ts

@@ -0,0 +1,16 @@
+export async function getExtendedAttestorGroupPublicKey(coordinatorURL: string): Promise<string> {
+  try {
+    const netlifyFunctionEndpoint = `/.netlify/functions/fetch-extended-attestor-group-public-key?coordinatorURL=${coordinatorURL}`;
+
+    const response = await fetch(netlifyFunctionEndpoint);
+
+    if (!response.ok) {
+      const errorMessage = await response.text();
+      throw new Error(`HTTP Error: ${errorMessage}`);
+    }
+
+    return await response.text();
+  } catch (error: any) {
+    throw new Error(`Failed to get Attestor Group Public Key: ${error.message}`);
+  }
+}

src/app/hooks/use-extended-attestor-group-public-key.ts

@@ -1,9 +1,9 @@
 import { useContext } from 'react';
 
+import { getExtendedAttestorGroupPublicKey } from '@functions/netlify-fetch.functions';
 import { EthereumNetworkConfigurationContext } from '@providers/ethereum-network-configuration.provider';
 import { NetworkConfigurationContext } from '@providers/network-configuration.provider';
 import { UseQueryResult, useQuery } from '@tanstack/react-query';
-import { getAttestorExtendedGroupPublicKey } from 'dlc-btc-lib/attestor-request-functions';
 import { getAttestorGroupPublicKey } from 'dlc-btc-lib/ethereum-functions';
 
 import { NetworkType } from '@shared/constants/network.constants';
@@ -22,7 +22,7 @@ export function useExtendedAttestorGroupPublicKey(): UseQueryResult<string, Erro
   };
 
   const fetchXRPLExtendedAttestorGroupPublicKey = async (): Promise<string> => {
-    return await getAttestorExtendedGroupPublicKey(coordinatorURL);
+    return await getExtendedAttestorGroupPublicKey(coordinatorURL);
   };
 
   const fetchExtendedAttestorGroupPublicKey = async (): Promise<string> => {