ditto/packages/ditto/utils/policies.ts

import { nostrNow } from '@/utils.ts';
import type { DittoConf } from "@ditto/conf";
import { PolicyRegistry } from '@nostrify/policies';
import { MockRelay } from '@nostrify/nostrify/test';

type ParamValue = string | number | boolean;

export const policyRegistry = new PolicyRegistry({
    antiDuplicationPolicyStore: {
        get: (key: Deno.KvKey) => Promise.resolve({ key, value: null, versionstamp: null }),
        set: () => Promise.resolve({ ok: true, versionstamp: "00000000000000000000" })
    },
    store: new MockRelay()
});


interface PolicySpecItem {
    name: keyof typeof policyRegistry.available;
    params?: Record<string, ParamValue | ParamValue[]>;
}

export interface PolicySpec {
    policies: PolicySpecItem[]
}

export const DEFAULT_POLICY_SPEC: PolicySpec = {
    policies: [
        { "name": "AntiDuplicationPolicy" },
        { "name": "AuthorPolicy" },
        { "name": "DomainPolicy" },
        { "name": "HellthreadPolicy" },
        { "name": "ReplyBotPolicy" },
        { "name": "SizePolicy" },
        { "name": "HashtagPolicy", "params": { "hashtags": ["NSFW", "explicit", "violence", "cp", "porn"] } },
    ]
};

export const createPolicyEvent = async (conf: DittoConf, policies: PolicySpec) => {
    return await conf.signer.signEvent({
        kind: 11984,
        content: JSON.stringify(policies),
        created_at: nostrNow(),
        tags: []
    })
}