Imports github.com/fernandosanchezjr/btcd/wire github.com/fernandosanchezjr/btcd/txscript github.com/fernandosanchezjr/btcd/chaincfg/chainhash Imports in module “github.com/fernandosanchezjr/btcutil” github.com/fernandosanchezjr/btcutil/gcs Standard library imports crypto/rand fmt math