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D12020.id40138.diff
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diff --git a/keyserver/src/scripts/biggest-farcaster-channels.js b/keyserver/src/scripts/biggest-farcaster-channels.js
new file mode 100644
--- /dev/null
+++ b/keyserver/src/scripts/biggest-farcaster-channels.js
@@ -0,0 +1,25 @@
+// @flow
+
+import invariant from 'invariant';
+
+import type { NeynarChannel } from 'lib/types/farcaster-types.js';
+
+import { main } from './utils.js';
+import { neynarClient } from '../utils/fc-cache.js';
+
+async function fetchAllFarcasterChannelsAndPrintSortedByFollowerCount() {
+ invariant(neynarClient, 'neynarClient should be defined');
+ const allChannels = await neynarClient.getAllChannels();
+ allChannels.sort(
+ (channelA: NeynarChannel, channelB: NeynarChannel) =>
+ channelB.follower_count - channelA.follower_count,
+ );
+ const simplifiedChannelInfo = allChannels.map(({ id, follower_count }) => ({
+ id,
+ follower_count,
+ }));
+ simplifiedChannelInfo.splice(1000);
+ console.log(JSON.stringify(simplifiedChannelInfo, undefined, ' '));
+}
+
+main([fetchAllFarcasterChannelsAndPrintSortedByFollowerCount]);
diff --git a/keyserver/src/scripts/utils.js b/keyserver/src/scripts/utils.js
--- a/keyserver/src/scripts/utils.js
+++ b/keyserver/src/scripts/utils.js
@@ -3,6 +3,7 @@
import { endPool } from '../database/database.js';
import { endFirebase, endAPNs } from '../push/providers.js';
import { publisher } from '../socket/redis.js';
+import { initFCCache } from '../utils/fc-cache.js';
import { prefetchAllURLFacts } from '../utils/urls.js';
function endScript() {
@@ -15,6 +16,7 @@
function main(functions: $ReadOnlyArray<() => Promise<mixed>>) {
void (async () => {
await prefetchAllURLFacts();
+ await initFCCache();
try {
for (const f of functions) {
await f();
diff --git a/keyserver/src/utils/fc-cache.js b/keyserver/src/utils/fc-cache.js
--- a/keyserver/src/utils/fc-cache.js
+++ b/keyserver/src/utils/fc-cache.js
@@ -12,6 +12,7 @@
type NeynarConfig = { +key: string };
let getFCNames: ?GetFCNames;
+let neynarClient: ?NeynarClient;
async function initFCCache() {
const neynarSecret = await getCommConfig<NeynarConfig>({
folder: 'secrets',
@@ -21,10 +22,10 @@
if (!neynarKey) {
return;
}
- const neynarClient = new NeynarClient(neynarKey);
+ neynarClient = new NeynarClient(neynarKey);
const fcCache = new FCCache(neynarClient);
getFCNames = <T: ?BaseFCInfo>(users: $ReadOnlyArray<T>): Promise<T[]> =>
baseGetFCNames(fcCache, users);
}
-export { initFCCache, getFCNames };
+export { initFCCache, getFCNames, neynarClient };
diff --git a/lib/types/farcaster-types.js b/lib/types/farcaster-types.js
--- a/lib/types/farcaster-types.js
+++ b/lib/types/farcaster-types.js
@@ -31,5 +31,6 @@
export type NeynarChannel = {
+id: string,
+name: string,
+ +follower_count: number,
...
};
diff --git a/lib/utils/neynar-client.js b/lib/utils/neynar-client.js
--- a/lib/utils/neynar-client.js
+++ b/lib/utils/neynar-client.js
@@ -18,7 +18,7 @@
},
};
-type FetchFollowedFarcasterChannelsResponse = {
+type FetchFarcasterChannelsResponse = {
+channels: $ReadOnlyArray<NeynarChannel>,
+next: {
+cursor: ?string,
@@ -53,6 +53,7 @@
const fetchFollowerLimit = 150;
const fetchFollowedChannelsLimit = 100;
+const fetchChannelsLimit = 50;
class NeynarClient {
apiKey: string;
@@ -129,8 +130,7 @@
},
});
- const json: FetchFollowedFarcasterChannelsResponse =
- await response.json();
+ const json: FetchFarcasterChannelsResponse = await response.json();
const { channels, next } = json;
@@ -229,6 +229,48 @@
} while (fidsLeft.length > 0);
return results;
}
+
+ async getAllChannels(): Promise<Array<NeynarChannel>> {
+ const farcasterChannels = [];
+ let paginationCursor = null;
+
+ do {
+ const params: { [string]: string } = {
+ limit: fetchChannelsLimit.toString(),
+ ...(paginationCursor ? { cursor: paginationCursor } : null),
+ };
+
+ const url = getNeynarURL('2', 'channel/list', params);
+
+ try {
+ const response = await fetch(url, {
+ method: 'GET',
+ headers: {
+ Accept: 'application/json',
+ api_key: this.apiKey,
+ },
+ });
+
+ const json: FetchFarcasterChannelsResponse = await response.json();
+
+ const { channels, next } = json;
+
+ channels.forEach(channel => {
+ farcasterChannels.push(channel);
+ });
+
+ paginationCursor = next.cursor;
+ } catch (error) {
+ console.log(
+ 'Failed to fetch all Farcaster channels:',
+ getMessageForException(error) ?? 'unknown',
+ );
+ throw error;
+ }
+ } while (paginationCursor);
+
+ return farcasterChannels;
+ }
}
export { NeynarClient };

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