code: def btc_make_p2sh_p2wpkh_redeem_script( pubkey_hex ):
      
      pubkey_hash = hashing.bin_hash160(pubkey_hex.decode('hex')).encode('hex')
      redeem_script = btc_script_serialize(['0014' + pubkey_hash])
      return redeem_script
docs: Make the redeem script for a p2sh-p2wpkh witness script