DVN and Executor Configuration

import {SDK} from '@layerzerolabs/lz-iotal1-sdk-v2';
import {Stage} from '@layerzerolabs/lz-definitions';

const sdk = new SDK({client, stage: Stage.MAINNET});
const oapp = sdk.getOApp(yourPackageId); // Always use SDK factory

// Configure peer for destination chain
await oapp.setPeerMoveCall(tx, dstEid, peerBytes32);

// Set custom send library
await oapp.setSendLibraryMoveCall(tx, dstEid, libraryAddress);

// Set custom receive library
await oapp.setReceiveLibraryMoveCall(tx, srcEid, libraryAddress, gracePeriod);

import {
  SDK,
  OAppUlnConfigBcs,
  PACKAGE_ULN_302_ADDRESS,
  OBJECT_ULN_302_ADDRESS,
  PACKAGE_DVN_LAYERZERO_ADDRESS,
} from '@layerzerolabs/lz-iotal1-sdk-v2';
import {Stage} from '@layerzerolabs/lz-definitions';

const sdk = new SDK({client, stage: Stage.MAINNET});
const oapp = sdk.getOApp(yourPackageId);

// Encode configuration
const config = OAppUlnConfigBcs.serialize({
  use_default_confirmations: false,
  use_default_required_dvns: false,
  use_default_optional_dvns: true,
  uln_config: {
    confirmations: 15,
    // Replace <SECONDARY_PROVIDER> with a non-LayerZero-Labs DVN; see /v2/deployments/dvn-addresses
    required_dvns: [
      PACKAGE_DVN_LAYERZERO_ADDRESS[Stage.MAINNET],
      PACKAGE_DVN_<SECONDARY_PROVIDER>_ADDRESS[Stage.MAINNET],
    ],
    optional_dvns: [],
    optional_dvn_threshold: 0,
  },
}).toBytes();

// Two-step Call pattern
const tx = new Transaction();
const configCall = await oapp.setConfigMoveCall(
  tx,
  PACKAGE_ULN_302_ADDRESS[Stage.MAINNET],
  30184, // Remote EID
  3, // CONFIG_TYPE_RECEIVE_ULN
  config,
);

tx.moveCall({
  target: `${PACKAGE_ULN_302_ADDRESS[Stage.MAINNET]}::uln_302::set_config`,
  arguments: [tx.object(OBJECT_ULN_302_ADDRESS[Stage.MAINNET]), configCall],
});

await client.signAndExecuteTransaction({transaction: tx, signer: keypair});

// Same pattern, use CONFIG_TYPE_SEND_ULN = 2
const configCall = await oapp.setConfigMoveCall(
  tx,
  PACKAGE_ULN_302_ADDRESS[Stage.MAINNET],
  30184,
  2, // CONFIG_TYPE_SEND_ULN
  config,
);

import {Options} from '@layerzerolabs/lz-v2-utilities';

const options = Options.newOptions()
  .addExecutorLzReceiveOption(60000, 0) // Gas for destination
  .toBytes();

await oapp.setEnforcedOptionsMoveCall(tx, dstEid, msgType, options);

import {Options} from '@layerzerolabs/lz-v2-utilities';

// Standard OApp message
const options = Options.newOptions()
  .addExecutorLzReceiveOption(60000, 0) // 60k gas, no msg.value
  .toBytes();

// OFT with compose
const optionsCompose = Options.newOptions()
  .addExecutorLzReceiveOption(200000, 0) // Higher for compose
  .toBytes();

const optionsForIOTA = Options.newOptions()
  .addExecutorLzReceiveOption(5000, 0) // 5k gas units, no msg.value
  .toBytes();