Integrating with viem

import {createPublicClient, http} from "viem";
import {kaia} from "./kaia"; // the chain definition from Quick Start

const client = createPublicClient({chain: kaia, transport: http()});

// Example: total number of Ivy accounts
const total = await client.readContract({
  address: "0x43522E0aB410246C014359B7F5c55F7a196dddFc",
  abi: [{type:"function", name:"totalSupply", stateMutability:"view", inputs:[], outputs:[{type:"uint256"}]}],
  functionName: "totalSupply",
});

import {createWalletClient, custom, parseEther, keccak256, toBytes} from "viem";
import {kaia} from "./kaia";

const wallet = createWalletClient({chain: kaia, transport: custom(window.ethereum)});
const [account] = await wallet.requestAddresses();

const TIP_ENGINE = "0x098366647c8e5C07242f8787Aa4E75579D5C7551";

// postId is the unique id of the content; it is passed to the chain as a keccak256 digest.
const postIdHash = keccak256(toBytes("post-uuid-or-id"));

const hash = await wallet.writeContract({
  account,
  address: TIP_ENGINE,
  abi: [{
    type: "function", name: "tip", stateMutability: "payable",
    inputs: [{name:"creatorIvyId", type:"uint256"}, {name:"postIdHash", type:"bytes32"}],
    outputs: [],
  }],
  functionName: "tip",
  args: [123n, postIdHash],     // 123n = the creator's ivyId
  value: parseEther("0.5"),     // a 0.5 KAIA tip (min 0.1)
});

await client.simulateContract({
  account,
  address: TIP_ENGINE,
  abi: [/* ... */],
  functionName: "tip",
  args: [123n, postIdHash],
  value: parseEther("0.5"),
});