@opendatalabs/vana-sdk/dist/core/client.js

A TypeScript library for interacting with Vana Network smart contracts.

import {
  createPublicClient,
  http,
  createWalletClient as viemCreateWalletClient
} from "viem";
import { chains, mokshaTestnet } from "../config/chains.js";
const defaultFromBlocks = {
  14800: 732312n,
  // Moksha Testnet - earliest contract deployment
  1480: 758584n
  // Vana Mainnet - earliest contract deployment
};
function getDefaultFromBlock(chainId) {
  return defaultFromBlocks[chainId] || 0n;
}
let cachedClient;
const createClient = (chainId = mokshaTestnet.id) => {
  if (!cachedClient || cachedClient.chain?.id !== chainId) {
    const chain = chains[chainId];
    if (!chain) {
      throw new Error(`Chain ${chainId} not found`);
    }
    cachedClient = createPublicClient({
      chain,
      transport: http()
    });
  }
  return cachedClient;
};
const createWalletClient = (chainId = mokshaTestnet.id, account) => {
  const chain = chains[chainId];
  if (!chain) {
    throw new Error(`Chain ${chainId} not found`);
  }
  return viemCreateWalletClient({
    chain,
    transport: http(),
    account
  });
};
export {
  createClient,
  createWalletClient,
  defaultFromBlocks,
  getDefaultFromBlock
};
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