Batch Operations with Libraries

import { encodeFunctionData } from "viem";

async function batchTransactions(
  client: any,
  operations: Array<{
    target: string;
    data?: string;
    value?: bigint;
  }>
) {
  try {
    const { hash } = await client.sendUserOperation({
      uo: operations.map(op => ({
        target: op.target,
        data: op.data || "0x",
        value: op.value || 0n
      }))
    });
    
    console.log("Batch UserOp Hash:", hash);
    
    const receipt = await client.waitForUserOperationReceipt({
      hash
    });
    
    console.log("Batch executed:", receipt.receipt.transactionHash);
    
    return receipt;
  } catch (error) {
    console.error("Batch operation failed:", error);
    throw error;
  }
}

import { encodeFunctionData, parseAbi } from "viem";

const erc20Abi = parseAbi([
  "function transfer(address to, uint256 amount) returns (bool)",
  "function approve(address spender, uint256 amount) returns (bool)"
]);

async function batchTokenOperations(
  client: any,
  tokenAddress: string,
  operations: Array<{
    type: "transfer" | "approve";
    to: string;
    amount: bigint;
  }>
) {
  const batchOps = operations.map(op => ({
    target: tokenAddress,
    data: encodeFunctionData({
      abi: erc20Abi,
      functionName: op.type,
      args: [op.to, op.amount]
    })
  }));
  
  const { hash } = await client.sendUserOperation({
    uo: batchOps
  });
  
  const receipt = await client.waitForUserOperationReceipt({ hash });
  
  return receipt;
}

import { encodeFunctionData, parseAbi } from "viem";

const nftAbi = parseAbi([
  "function mint(address to, uint256 tokenId)"
]);

async function batchMintNFTs(
  client: any,
  nftAddress: string,
  recipients: Array<{ to: string; tokenId: bigint }>
) {
  const mintOps = recipients.map(r => ({
    target: nftAddress,
    data: encodeFunctionData({
      abi: nftAbi,
      functionName: "mint",
      args: [r.to, r.tokenId]
    })
  }));
  
  const { hash } = await client.sendUserOperation({
    uo: mintOps
  });
  
  console.log(`Minting ${recipients.length} NFTs...`);
  
  const receipt = await client.waitForUserOperationReceipt({ hash });
  console.log("Batch mint completed!");
  
  return receipt;
}