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Likes signal appreciation and enhance content visibility, triggering incremental rewards in Sage Protocol. React Hook Example for Liking Posts: 
import { usePost } from '@sageprotocol/sdk/react';
import { useWallet } from '@suiet/wallet-kit';

function LikePost({ authorSharedUserId, postId, ownedUserId }) {
  const { like } = usePost();
  const { account, signAndExecuteTransaction } = useWallet();

  async function handleLike() {
    const result = await like({
      amounts: [0, 0],                         // Required protocol fees
      appId: 'your-app-id',                    // Explicitly required application ID
      network: 'testnet',                      // 'testnet' or 'mainnet'
      authorSharedUserId,                      // Original post author's shared user ID
      postId,                                  // ID of the post to like
      ownedUserId,                             // Liker’s owned user ID
      self: account.address                    // Liker’s wallet address
    });

    if (result.ok) {
      await signAndExecuteTransaction({ transaction: result.transaction });
      console.log("Post liked successfully!");
    } else {
      console.error("Error liking post:", result.err);
    }
  }

  return <button onClick={handleLike}>Like Post</button>;
}

export default LikePost;

import { SageClient } from '@sageprotocol/sdk';

const sageClient = new SageClient({
  appId: 'your-app-id',                     // Required application ID
  channelRegistryId: 'your-registry-id',    // Required channel registry ID
  network: 'testnet'                        // 'testnet' or 'mainnet'
});

await sageClient.initialize();

async function likePost(authorSharedUserId, postId, ownedUserId, walletAddress) {
  const result = await sageClient.likePost({
    amounts: [0, 0],                        // Required protocol fees
    authorSharedUserId,                     // Original post author's shared user ID
    postId,                                 // ID of the post to like
    ownedUserId,                            // Liker’s owned user ID
    self: walletAddress                     // Liker’s wallet address
  });

  if (result.ok) {
    await signAndExecuteTransaction({ transaction: result.transaction });
    console.log("Post liked successfully!");
  } else {
    console.error("Error liking post:", result.err);
  }
}

likePost('author-shared-user-id', 'target-post-id', 'your-owned-user-id', walletAddress);

​
Important Notes

  • Required Parameters: Inclusion of amounts, appId, network, authorSharedUserId, postId, ownedUserId, and self.
  • Reward Mechanism: Likes enhance content visibility and trigger incremental rewards.
  • Transaction Execution: All transactions must be signed and executed via the user’s connected wallets.