Imports github.com/martinboehm/btcd/blockchain github.com/martinboehm/btcd/chaincfg/chainhash github.com/martinboehm/btcd/wire Imports in module “github.com/binance-chain/btcutil” github.com/binance-chain/btcutil github.com/binance-chain/btcutil/txscript Standard library imports encoding/binary math sync