Like

Liking a post will only succeed for a Sui address that has an associated Sage user.

Like a Sage post

import { useSignAndExecuteTransaction } from '@mysten/dapp-kit';
import { usePost } from '@sage-app/sdk/react';

interface LikePostInput {
  amounts: number[];           // payment amounts set to [0, 0]
  postId: string;
  self: string;                // user's wallet address
  soulId: string;              // address of user's owned soul
}

...

const { mutateAsync: signAndExecuteTransaction } = useSignAndExecuteTransaction();
const { like } = usePost();

...

const likePost = async (data: LikePostInput) => {
  const { ok, err, transaction } = like(data);
    
  const { digest } = await signAndExecuteTransaction({
    transaction
  });
};

Error Codes

Authentication module

Code	Value	Meaning
370	ENotAuthenticated	User soul object does not exist, is the wrong type, or not owned by the wallet.

Post Fees module

Code	Value	Meaning
370	EIncorrectCoinType	Custom payment type does not match configured custom payment coin.
371	EIncorrectCustomPayment	Incorrect custom payment value.
372	EIncorrectSuiPayment	Incorrect sui payment value.

Querying for New Post Like Events

import { EventId, SuiClient, getFullnodeUrl } from '@mysten/sui/client';
import { SageClient } from '@sage-app/sdk/client';

...

interface QueryInput {
  cursor?: EventId;
}

const appId = '<YOUR_APP_ID>';
const network = 'mainnet' | 'testnet';
const suiClient = new SuiClient({ url: getFullnodeUrl(network) });

const sageClient = new SageClient({ appId, network, suiClient });

...

const pollNewLikes = async ({ cursor }) => {
  const {
    eventCount,
    events,
    hasNextPage,
    nextCursor
  } = await sageClient.queryPostLikeEvents({ cursor }: QueryInput);
  
  // do something with events
  
  setTimeout(() => pollNewLikes({ cursor: nextCursor }), 5000);
};

In this case events will take the shape of an array of PostLikedEvents:

interface PostLikeEvent {
  id: string;              // post object address
  updatedAt: string;
  user: string;            // user's wallet address
}