electrum.js

const ElectrumClient = require('@mempool/electrum-client');


async function main() {
  const client = new ElectrumClient(465, "blockstream.info", "ssl");

  await client.initElectrum({ client: 'electrum-client-js', version: '1.4' }, {
    retryPeriod: 5000,
    maxRetry: 10,
    pingPeriod: 5000,
    callback: null,
  });
  
  // it works!
  const response = await client.blockchainScripthash_getHistory(
    "c40a8fadd3f13a91d506b820b1158cbb8166a2f45345088843d8f8483d44e17e"
  );
  console.log(response);

  // doesn't work
  const response2 = await client.blockchainScripthash_getHistoryBatch([
    "c40a8fadd3f13a91d506b820b1158cbb8166a2f45345088843d8f8483d44e17e", 
    "57f6e1e3b30eea697504172e2a7967e3cb1f0dac5a6a188d18fa14d5fde1b850"
  ]); 
  console.log(response2);
}

main()