code: async function getUTXOs(walletInfo, BITBOX) {
    try {
      const retArray = []
  
      // Loop through each address that has a balance.
      for (var i = 0; i < walletInfo.hasBalance.length; i++) {
        const thisAddr = walletInfo.hasBalance[i].cashAddress
  
        // Get the UTXOs for that address.
        const u = await BITBOX.Address.utxo([thisAddr])
        //console.log(`u for ${thisAddr}: ${util.inspect(u[0])}`)
  
        // Loop through each UXTO returned
        for (var j = 0; j < u[0].length; j++) {
          const thisUTXO = u[0][j]
          //console.log(`thisUTXO: ${util.inspect(thisUTXO)}`)
  
          // Add the HD node index to the UTXO for use later.
          thisUTXO.hdIndex = walletInfo.hasBalance[i].index
  
          // Add the UTXO to the array if it has at least one confirmation.
          if (thisUTXO.confirmations > 0) retArray.push(thisUTXO)
        }
      }
  
      return retArray
    } catch (err) {
      console.log(`Error in getUTXOs.`)
      throw err
    }
  }
docs: Returns an array of UTXO objects. These objects contain the metadata needed to optimize the selection of a UTXO for spending.