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Send a single-chain transaction

Call sendTransaction with a chain and a list of calls. The example below transfers USDC on Base Sepolia: 
import { encodeFunctionData, erc20Abi } from 'viem'
import { baseSepolia } from 'viem/chains'

const receiver = '0xd8da6bf26964af9d7eed9e03e53415d37aa96045'
const usdcAmount = 1n

const transaction = await rhinestoneAccount.sendTransaction({
  chain: baseSepolia,
  calls: [
    {
      to: 'USDC',
      value: 0n,
      data: encodeFunctionData({
        abi: erc20Abi,
        functionName: 'transfer',
        args: [receiver, usdcAmount],
      }),
    },
  ],
})

const result = await rhinestoneAccount.waitForExecution(transaction)
console.log('Result', result)

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Send a cross-chain transaction

Swap chain for sourceChains + targetChain. The SDK handles bridging and routing with no separate bridge interaction required: 
import { baseSepolia, arbitrumSepolia } from 'viem/chains'

const transaction = await rhinestoneAccount.sendTransaction({
  sourceChains: [baseSepolia],
  targetChain: arbitrumSepolia,
  calls: [
    {
      to: 'USDC',
      value: 0n,
      data: encodeFunctionData({
        abi: erc20Abi,
        functionName: 'transfer',
        args: [receiver, usdcAmount],
      }),
    },
  ],
  tokenRequests: [
    {
      address: 'USDC',
      amount: usdcAmount,
    },
  ],
})

const result = await rhinestoneAccount.waitForExecution(transaction)

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Use the granular API

Use prepareTransaction → signTransaction → submitTransaction when you need to separate fetching from signing. For example, to show the user transaction details before they approve, or to fetch intent data on a backend and sign on a mobile frontend: 
// Fetch intent data (can be done server-side)
const transactionData = await rhinestoneAccount.prepareTransaction({
  chain: baseSepolia,
  calls: [...],
})

// Sign: prompts account owners
const signedData = await rhinestoneAccount.signTransaction(transactionData)

// Submit
const transaction = await rhinestoneAccount.submitTransaction(signedData)
To deploy the account on a specific chain before transacting, call await rhinestoneAccount.deploy(chain) first.

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Next steps

Crosschain

Send funds across chains with a single signature. No bridging required.

Unified balance

Aggregate user balances across chains to fund any intent.

Sponsor fees

Cover gas, bridging, and swap fees for your users.