Comparison Between Link Follow and Link Unfollow

followFid.ts

import {
  Message,
  NobleEd25519Signer,
  FarcasterNetwork,
  LinkBody,
  makeLinkAdd
} from "@farcaster/core";
import { hexToBytes } from "@noble/hashes/utils";

const FID = process.env.FID ? parseInt(process.env.FID) : 0;
const SIGNER = process.env.PRIVATE_KEY || "";

async function followFid() {
  try {

    const dataOptions = {
      fid: FID,
      network: FarcasterNetwork.MAINNET,
    };

    const privateKeyBytes = hexToBytes(SIGNER.slice(2));
    const ed25519Signer = new NobleEd25519Signer(privateKeyBytes);

    const removeBody: LinkBody = { 
      type: "follow",
      targetFid: 20918
    }

    const followFidReq =  await makeLinkAdd(removeBody, dataOptions, ed25519Signer)
    const followFid: any = followFidReq._unsafeUnwrap()
    const messageBytes = Buffer.from(Message.encode(followFid).finish())

    const followRequest = await fetch(
      "https://hub.pinata.cloud/v1/submitMessage",
      {
        method: "POST",
        headers: { "Content-Type": "application/octet-stream" },
        body: messageBytes,
      },
    );

    const castResult = await followRequest.json();
    console.log(castResult);
    return castResult
  } catch (error) {
    console.log("problem sending cast:", error);
  }
}

followFid()

//{
//  data: {
//    type: "MESSAGE_TYPE_LINK_ADD",
//    fid: 6023,
//    timestamp: 102053717,
//    network: "FARCASTER_NETWORK_MAINNET",
//    linkBody: {
//      type: "follow",
//      targetFid: 20918
//    }
//  },
//  hash: "0xe64e1de48da6f18e3ef64a1b6bf3687522e0094e",
//  hashScheme: "HASH_SCHEME_BLAKE3",
//  signature: "7stATvuoFMxEyzqKpMTmGx5AuJs6jkdwLAi4KSZHSzzQoRbK4CA/yxaKPV7LwZfkjI6GfpQr1g905F8SaF86BA==",
//  signatureScheme: "SIGNATURE_SCHEME_ED25519",
//  signer: "0xbe16cbbf6c22f6291e551337ae320ae752ce091c3d68ab225ddade773628222b"
//}

unfollowFid.ts

import {
  Message,
  NobleEd25519Signer,
  FarcasterNetwork,
  LinkBody,
  makeLinkRemove
} from "@farcaster/core";
import { hexToBytes } from "@noble/hashes/utils";

const FID = process.env.FID ? parseInt(process.env.FID) : 0;
const SIGNER = process.env.PRIVATE_KEY || "";

async function unfollowFid() {
  try {

    const dataOptions = {
      fid: FID,
      network: FarcasterNetwork.MAINNET,
    };

    const privateKeyBytes = hexToBytes(SIGNER.slice(2));
    const ed25519Signer = new NobleEd25519Signer(privateKeyBytes);

    const removeBody: LinkBody = { 
      type: "unfollow",
      targetFid: 20918
    }

    const unfollowFidReq =  await makeLinkRemove(removeBody, dataOptions, ed25519Signer)
    const unfollowFid: any = unfollowFidReq._unsafeUnwrap()
    const messageBytes = Buffer.from(Message.encode(unfollowFid).finish())

    const unfollowRequest = await fetch(
      "https://hub.pinata.cloud/v1/submitMessage",
      {
        method: "POST",
        headers: { "Content-Type": "application/octet-stream" },
        body: messageBytes,
      },
    );

    const castResult = await unfollowRequest.json();
    console.log(castResult);
    return castResult
  } catch (error) {
    console.log("problem sending cast:", error);
  }
}

unfollowFid()

//{
//  data: {
//    type: "MESSAGE_TYPE_LINK_REMOVE",
//    fid: 6023,
//    timestamp: 102053840,
//    network: "FARCASTER_NETWORK_MAINNET",
//    linkBody: {
//      type: "unfollow",
//      targetFid: 20918
//    }
//  },
//  hash: "0xcc2f50caa148e32c373906c639c81ce544266efa",
//  hashScheme: "HASH_SCHEME_BLAKE3",
//  signature: "fIeyk7Xc/DCvLho6WPSIGfTr8lnSj3CoeyDGj343CfAr49K0r3DfWZICI6iaobcqa2Y8RbkI9ic880yIgkxsDg==",
//  signatureScheme: "SIGNATURE_SCHEME_ED25519",
//  signer: "0xbe16cbbf6c22f6291e551337ae320ae752ce091c3d68ab225ddade773628222b"
//}