4-transfer-spore.ts

import { buildRgbppLockArgs } from 'rgbpp/ckb';
import { genTransferSporeCkbVirtualTx, sendRgbppUtxos } from 'rgbpp';
import { getSporeTypeScript, Hex } from 'rgbpp/ckb';
import { serializeScript } from '@nervosnetwork/ckb-sdk-utils';
import { isMainnet, collector, btcDataSource, btcService, btcAccount, BTC_TESTNET_TYPE } from '../env';
import { saveCkbVirtualTxResult } from '../shared/utils';
import { signAndSendPsbt } from '../shared/btc-account';

interface SporeTransferParams {
  sporeRgbppLockArgs: Hex;
  toBtcAddress: string;
  sporeTypeArgs: Hex;
}

const transferSpore = async ({ sporeRgbppLockArgs, toBtcAddress, sporeTypeArgs }: SporeTransferParams) => {
  const sporeTypeBytes = serializeScript({
    ...getSporeTypeScript(isMainnet),
    args: sporeTypeArgs,
  });

  const ckbVirtualTxResult = await genTransferSporeCkbVirtualTx({
    collector,
    sporeRgbppLockArgs,
    sporeTypeBytes,
    isMainnet,
    btcTestnetType: BTC_TESTNET_TYPE,
  });

  // Save ckbVirtualTxResult
  saveCkbVirtualTxResult(ckbVirtualTxResult, '4-transfer-spore');

  const { commitment, ckbRawTx, needPaymasterCell } = ckbVirtualTxResult;

  // Send BTC tx
  const psbt = await sendRgbppUtxos({
    ckbVirtualTx: ckbRawTx,
    commitment,
    tos: [toBtcAddress],
    needPaymaster: needPaymasterCell,
    ckbCollector: collector,
    from: btcAccount.from,
    fromPubkey: btcAccount.fromPubkey,
    source: btcDataSource,
    feeRate: 30,
  });

  const { txId: btcTxId } = await signAndSendPsbt(psbt, btcAccount, btcService);
  console.log('BTC TxId: ', btcTxId);

  await btcService.sendRgbppCkbTransaction({ btc_txid: btcTxId, ckb_virtual_result: ckbVirtualTxResult });

  try {
    const interval = setInterval(async () => {
      const { state, failedReason } = await btcService.getRgbppTransactionState(btcTxId);
      console.log('state', state);
      if (state === 'completed' || state === 'failed') {
        clearInterval(interval);
        if (state === 'completed') {
          const { txhash: txHash } = await btcService.getRgbppTransactionHash(btcTxId);
          console.info(`Rgbpp spore has been transferred on BTC and the related CKB tx hash is ${txHash}`);
        } else {
          console.warn(`Rgbpp CKB transaction failed and the reason is ${failedReason} `);
        }
      }
    }, 30 * 1000);
  } catch (error) {
    console.error(error);
  }
};

// Please use your real BTC UTXO information on the BTC Testnet
// BTC Testnet3: https://mempool.space/testnet
// BTC Signet: https://mempool.space/signet

// rgbppLockArgs: outIndexU32 + btcTxId
transferSpore({
  sporeRgbppLockArgs: buildRgbppLockArgs(2, 'd5868dbde4be5e49876b496449df10150c356843afb6f94b08f8d81f394bb350'),
  toBtcAddress: 'tb1qhp9fh9qsfeyh0yhewgu27ndqhs5qlrqwau28m7',
  // Please use your own RGB++ spore asset's sporeTypeArgs
  sporeTypeArgs: '0x42898ea77062256f46e8f1b861d526ae47810ecc51ab50477945d5fa90452706',
});