chore: allow filter with limit zero

Signed-off-by: Ricardo Arturo Cabral Mejía <me@ricardocabral.io>

Author: cameri

src/schemas/filter-schema.ts

@@ -8,5 +8,5 @@ export const filterSchema = Schema.object({
   kinds: Schema.array().items(kindSchema).max(20),
   since: Schema.number().min(0).multiple(1),
   until: Schema.number().min(0).multiple(1),
-  limit: Schema.number().min(1).multiple(1).max(10000),
+  limit: Schema.number().min(0).multiple(1).max(10000),
 }).pattern(/^#[a-z]$/, Schema.array().items(Schema.string().max(1024)).max(256))

test/unit/schemas/filter-schema.spec.ts

@@ -69,7 +69,7 @@ describe('NIP-01', () => {
       ],
       limit: [
         { message: 'must be a number', transform: assocPath(['limit'], null) },
-        { message: 'must be greater than or equal to 1', transform: assocPath(['limit'], -1) },
+        { message: 'must be greater than or equal to 0', transform: assocPath(['limit'], -1) },
         { message: 'must be a multiple of 1', transform: assocPath(['limit'], Math.PI) },
         { message: 'must be less than or equal to 10000', transform: assocPath(['limit'], 10001) },
       ],