From d76e9a99620ac25a9fa636d1e8e03b35667282a0 Mon Sep 17 00:00:00 2001
From: Denis Carriere <carriere.denis@gmail.com>
Date: Tue, 13 Feb 2024 15:45:35 -0500
Subject: [PATCH] expose keypair as HTTP endpoint fixes:
 https://github.com/pinax-network/substreams-sink-webhook/issues/12

---
 bin/cli.ts    | 2 +-
 index.ts      | 5 +++--
 src/banner.ts | 5 ++++-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/bin/cli.ts b/bin/cli.ts
index ad086c3..69a2014 100755
--- a/bin/cli.ts
+++ b/bin/cli.ts
@@ -31,7 +31,7 @@ command.action(action);
 
 program
   .command("keypair")
-  .description("Generate TweetNaCl keypair")
+  .description("Generate random Ed25519 private & public keys")
   .action(() => {
     const { publicKey, privateKey } = keyPair();
     console.log(`PUBLIC_KEY=${publicKey}`);
diff --git a/index.ts b/index.ts
index cbd75a1..1d43303 100644
--- a/index.ts
+++ b/index.ts
@@ -5,9 +5,9 @@ import { postWebhook } from "./src/postWebhook.js";
 import type { SessionInit } from "@substreams/core/proto";
 import type { WebhookRunOptions } from "./bin/cli.js";
 import { banner } from "./src/banner.js";
-import { toText } from "./src/http.js";
+import { toJSON, toText } from "./src/http.js";
 import { ping } from "./src/ping.js";
-import { checkKey } from "./index.js";
+import { checkKey, keyPair } from "./src/auth/ed25519.js";
 
 export * from "./src/auth/ed25519.js";
 export * from "./src/schemas.js";
@@ -73,6 +73,7 @@ export async function action(options: WebhookRunOptions) {
   http.listen(options);
   http.server.on("request", (req, res) => {
     if (req.url === "/") return toText(res, banner());
+    if (req.url === "/keypair") return toJSON(res, keyPair());
   });
 
   emitter.on("close", () => {
diff --git a/src/banner.ts b/src/banner.ts
index 3bf5ac0..fe81f50 100644
--- a/src/banner.ts
+++ b/src/banner.ts
@@ -12,6 +12,9 @@ export function banner() {
   ░░░╚═╝░░░╚═╝░░╚══════╝╚═════╝░╚═╝░░╚═╝░╚════╝░░╚════╝░╚═╝░░╚═╝╚═════╝░
 
 `;
-  text += `                      ${pkg.name} v${pkg.version}\n`;
+  text += `                      ${pkg.name} v${pkg.version}\n\n`;
+  text += `HTTP routes\n`;
+  text += `GET /metrics\tPrometheus Metrics\n`;
+  text += `GET /keypair\tGenerate random Ed25519 private & public keys\n`;
   return text;
 }