Imports github.com/PointCoin/btcec github.com/PointCoin/btclog github.com/PointCoin/btcnet github.com/PointCoin/btcutil github.com/PointCoin/btcwire github.com/PointCoin/fastsha256 golang.org/x/crypto/ripemd160 Standard library imports bytes crypto/sha1 encoding/binary encoding/hex errors fmt hash io math/big time