Withdraw from Stellar

const quote = await pesa.quote({
  route: "cctp-withdraw",
  source_chain: "stellar:pubnet",
  source_address: stellarAddress,   // must be the owner
  dest_chain: "eip155:42161",       // Arbitrum
  dest_address: typedEvmAddress,
  amount_in: "200000000",           // 20 USDC, 7 decimals
});
const transfer = await pesa.createTransfer(quote.id, crypto.randomUUID());

const action = await pesa.getActions(transfer.id);   // stellar_tx
const tx = verifyStellarApprove(action.xdr, { owner: stellarAddress, stellar: STELLAR_CCTP.mainnet, amount7: 200_000_000n });
const signed = await signWithStellarWallet(tx);
await pesa.submit(transfer.id, { kind: "stellar_tx", signed_xdr: signed });

const action = await pesa.getActions(transfer.id);   // stellar_tx
const tx = verifyStellarBurn(action.xdr, {
  owner: stellarAddress,
  stellar: STELLAR_CCTP.mainnet,
  chain: findEvmChain("mainnet", "eip155:42161"),
  recipient: typedEvmAddress,     // what the user typed, not the server's copy
  amount7: 200_000_000n,
});
await pesa.submit(transfer.id, { kind: "stellar_tx", signed_xdr: await signWithStellarWallet(tx) });