login endpoint

Author: joshstevens19

Diff for: src/authentication/login.ts

@@ -0,0 +1,61 @@
+import { gql } from '@apollo/client/core';
+import { apolloClient } from '../apollo-client';
+import { getAddressFromSigner, signText } from '../ethers.service';
+
+const GET_CHALLENGE = `
+  query($request: ChallengeRequest!) {
+    challenge(request: $request) { text }
+  }
+`;
+
+export const generateChallenge = (address: string) => {
+  return apolloClient.query({
+    query: gql(GET_CHALLENGE),
+    variables: {
+      request: {
+        address,
+      },
+    },
+  });
+};
+
+const AUTHENTICATION = `
+  mutation($request: SignedAuthChallenge!) { 
+    authenticate(request: $request) {
+      accessToken
+      refreshToken
+    }
+ }
+`;
+
+export const authenticate = (address: string, signature: string) => {
+  return apolloClient.mutate({
+    mutation: gql(AUTHENTICATION),
+    variables: {
+      request: {
+        address,
+        signature,
+      },
+    },
+  });
+};
+
+export const login = async () => {
+  const address = getAddressFromSigner();
+  console.log('address', address);
+
+  // we request a challenge from the server
+  const challengeResponse = await generateChallenge(address);
+
+  // sign the text with the wallet
+  const signature = await signText(challengeResponse.data.challenge.text);
+
+  const accessTokens = await authenticate(address, signature);
+  console.log(accessTokens);
+
+  return accessTokens;
+};
+
+(async () => {
+  await login();
+})();