BITBOX script used for this 1000 tBCH donation https://explorer.bitcoin.com/tbch/tx/6d53a33769adb3848f7ff845ee4170d1df4a951ff9fea1d9a6de093aed3baf73#o=0

tbch.ts

// imports
import { BITBOX } from "bitbox-sdk"
import { AddressUtxoResult } from "bitcoin-com-rest"
import { ECPair, HDNode } from "bitcoincashjs-lib"

// consts
const bitbox: BITBOX = new BITBOX({
  restURL: "https://trest.bitcoin.com/v2/"
})

// Open the wallet generated with generate-wallet.
const main: any = async (): Promise<any> => {
  try {
    let mnemonic: string = ""

    // root seed buffer
    let rootSeed: Buffer = bitbox.Mnemonic.toSeed(mnemonic)

    // master HDNode
    let masterHDNode: HDNode = bitbox.HDNode.fromSeed(rootSeed, "testnet")

    // HDNode of BIP44 account
    let account: HDNode = bitbox.HDNode.derivePath(
      masterHDNode,
      "m/44'/145'/0'"
    )

    // derive the first external change address HDNode which is going to spend utxo
    let change: HDNode = bitbox.HDNode.derivePath(account, "0/0")

    // get the cash address
    let cashAddress: string = bitbox.HDNode.toCashAddress(change)

    let result = (await bitbox.Address.utxo(cashAddress)) as AddressUtxoResult

    let transactionBuilder = new bitbox.TransactionBuilder("testnet")
    // original amount of satoshis in vin
    let originalAmount = result.utxos[0].satoshis + result.utxos[1].satoshis

    // index of first vout
    let vout1 = result.utxos[0].vout

    // txid of first vout
    let txid1 = result.utxos[0].txid

    // add input with txid1 and index of vout1
    transactionBuilder.addInput(txid1, vout1)

    // index of second vout
    let vout2 = result.utxos[1].vout

    // txid of second vout
    let txid2 = result.utxos[1].txid

    // add input with txid2 and index of vout2
    transactionBuilder.addInput(txid2, vout2)

    // get byte count to calculate fee. paying 1 sat/byte
    let byteCount: number = bitbox.BitcoinCash.getByteCount(
      { P2PKH: 2 },
      { P2PKH: 1 }
    )

    // amount to send to receiver. It's the original amount - 1 sat/byte for tx size
    let sendAmount: number = originalAmount - byteCount

    // add output w/ address and amount to send
    let faucet: string = "bchtest:qqmd9unmhkpx4pkmr6fkrr8rm6y77vckjvqe8aey35"
    transactionBuilder.addOutput(faucet, sendAmount)

    // keypair
    let keyPair: ECPair = bitbox.HDNode.toKeyPair(change)

    // sign w/ HDNode
    let redeemScript: undefined
    transactionBuilder.sign(
      0,
      keyPair,
      redeemScript,
      transactionBuilder.hashTypes.SIGHASH_ALL,
      result.utxos[0].satoshis
    )
    transactionBuilder.sign(
      1,
      keyPair,
      redeemScript,
      transactionBuilder.hashTypes.SIGHASH_ALL,
      result.utxos[1].satoshis
    )

    // build tx
    let tx = transactionBuilder.build()
    // output rawhex
    let hex: string = tx.toHex()

    // sendRawTransaction to running BCH node
    let txid: string = await bitbox.RawTransactions.sendRawTransaction(hex)
    // 6d53a33769adb3848f7ff845ee4170d1df4a951ff9fea1d9a6de093aed3baf73
  } catch (err) {
    console.log(err)
  }
}

main()