Return proper NIP-20 responses

src/pipeline.test.ts

@@ -14,7 +14,7 @@ Deno.test('passes events through multiple policies', async () => {
   ]);
 
   assertEquals(result.action, 'reject');
-  assertEquals(result.msg, 'The relay is read-only.');
+  assertEquals(result.msg, 'blocked: the relay is read-only');
 });
 
 Deno.test('short-circuits on the first reject', async () => {
@@ -26,7 +26,7 @@ Deno.test('short-circuits on the first reject', async () => {
   ]);
 
   assertEquals(result.action, 'reject');
-  assertEquals(result.msg, 'The relay is read-only.');
+  assertEquals(result.msg, 'blocked: the relay is read-only');
 });
 
 Deno.test('accepts when all policies accept', async () => {

src/policies/hellthread-policy.ts

@@ -16,7 +16,7 @@ const hellthreadPolicy: Policy<Hellthread> = (msg, opts) => {
       return {
         id: msg.event.id,
         action: 'reject',
-        msg: `Event rejected due to ${p.length} "p" tags (${limit} is the limit).`,
+        msg: `blocked: rejected due to ${p.length} "p" tags (${limit} is the limit).`,
       };
     }
   }

src/policies/keyword-policy.ts

@@ -15,7 +15,7 @@ const keywordPolicy: Policy<Iterable<string>> = ({ event: { id, content } }, wor
     return {
       id,
       action: 'reject',
-      msg: 'Event contains a banned word or phrase.',
+      msg: 'blocked: contains a banned word or phrase.',
     };
   }
 

src/policies/pubkey-ban-policy.ts

@@ -18,7 +18,7 @@ const pubkeyBanPolicy: Policy<Iterable<string>> = ({ event: { id, pubkey } }, pu
     return {
       id,
       action: 'reject',
-      msg: 'Pubkey is banned.',
+      msg: 'blocked: pubkey is banned.',
     };
   }
 

src/policies/rate-limit-policy.ts

@@ -33,7 +33,7 @@ const rateLimitPolicy: Policy<RateLimit> = async (msg, opts) => {
       return {
         id: msg.event.id,
         action: 'reject',
-        msg: 'Rate-limited.',
+        msg: 'rate-limited: too many requests',
       };
     }
   }

src/policies/read-only-policy.ts

@@ -4,7 +4,7 @@ import type { Policy } from '../types.ts';
 const readOnlyPolicy: Policy<void> = (msg) => ({
   id: msg.event.id,
   action: 'reject',
-  msg: 'The relay is read-only.',
+  msg: 'blocked: the relay is read-only',
 });
 
 export default readOnlyPolicy;

src/policies/regex-policy.ts

@@ -8,7 +8,7 @@ const regexPolicy: Policy<RegExp> = ({ event: { id, content } }, regex) => {
     return {
       id,
       action: 'reject',
-      msg: 'Event matches a banned expression.',
+      msg: 'blocked: text matches a banned expression.',
     };
   }
 

src/policies/whitelist-policy.ts

@@ -25,7 +25,7 @@ const whitelistPolicy: Policy<Iterable<string>> = ({ event: { id, pubkey } }, pu
   return {
     id,
     action: 'reject',
-    msg: 'Only certain pubkeys are allowed.',
+    msg: 'blocked: only certain pubkeys are allowed to post',
   };
 };