Merge pull request #149 from matjaz/lud-16-email

feat: lud-16 text/email parsing
getAlby · Oct 20, 2024 · bd94a16 · bd94a16
2 parents 1e56a58 + 2b9df05
commit bd94a16
Show file tree

Hide file tree

Showing 3 changed files with 61 additions and 0 deletions.
diff --git a/src/types.ts b/src/types.ts
@@ -24,6 +24,7 @@ export type LnUrlPayResponse = {
   metadata: Array<Array<string>>;
   metadataHash: string;
   identifier: string;
+  email: string;
   description: string;
   image: string;
   commentAllowed?: number;

diff --git a/src/utils/lnurl.test.ts b/src/utils/lnurl.test.ts
@@ -46,5 +46,60 @@ describe("parseLnUrlPayResponse", () => {
     expect(parsed.min).toBe(1000);
     expect(parsed.max).toBe(11000000000);
   });
+  test("fixed amount", async () => {
+    const response = {
+      status: "OK",
+      tag: "payRequest",
+      callback: "https://getalby.com/lnurlp/hello/callback",
+      metadata:
+        '[["text/identifier","hello@getalby.com"],["text/plain","Sats for Alby"]]',
+      minSendable: 1000,
+      maxSendable: 1000,
+    };
+    const parsed = await parseLnUrlPayResponse(response);
+    expect(parsed.fixed).toBe(true);
+  });
+  test("exception on invalid callback URL", async () => {
+    const response = {
+      status: "OK",
+      tag: "payRequest",
+      callback: "//getalby.com/lnurlp/hello/callback",
+      metadata:
+        '[["text/identifier","hello@getalby.com"],["text/plain","Sats for Alby"]]',
+      minSendable: 1000,
+      maxSendable: 11000000000,
+    };
+    expect(parseLnUrlPayResponse(response)).rejects.toThrow(
+      "Callback must be a valid url",
+    );
+  });
+  test("identifier must be set", async () => {
+    const response = {
+      status: "OK",
+      tag: "payRequest",
+      callback: "https://getalby.com/lnurlp/hello/callback",
+      metadata:
+        '[["text/identifier","hello@getalby.com"],["text/plain","Sats for Alby"]]',
+      minSendable: 1000,
+      maxSendable: 11000000000,
+    };
+    const parsed = await parseLnUrlPayResponse(response);
+    expect(parsed.identifier).toBe("hello@getalby.com");
+    expect(parsed.email).toBe("");
+  });
+  test("email must be set", async () => {
+    const response = {
+      status: "OK",
+      tag: "payRequest",
+      callback: "https://getalby.com/lnurlp/hello/callback",
+      metadata:
+        '[["text/email","hello@getalby.com"],["text/plain","Sats for Alby"]]',
+      minSendable: 1000,
+      maxSendable: 11000000000,
+    };
+    const parsed = await parseLnUrlPayResponse(response);
+    expect(parsed.identifier).toBe("");
+    expect(parsed.email).toBe("hello@getalby.com");
+  });
   // TODO: add more tests
 });
diff --git a/src/utils/lnurl.ts b/src/utils/lnurl.ts
@@ -51,6 +51,7 @@ export const parseLnUrlPayResponse = async (
     metadataHash = await sha256("[]");
   }
 
+  let email = "";
   let image = "";
   let description = "";
   let identifier = "";
@@ -63,6 +64,9 @@ export const parseLnUrlPayResponse = async (
       case "text/identifier":
         identifier = v;
         break;
+      case "text/email":
+        email = v;
+        break;
       case "image/png;base64":
       case "image/jpeg;base64":
         image = "data:" + k + "," + v;
@@ -87,6 +91,7 @@ export const parseLnUrlPayResponse = async (
     metadata,
     metadataHash,
     identifier,
+    email,
     description,
     image,
     payerData,