Imports github.com/btcsuite/btclog github.com/btcsuite/fastsha256 github.com/mably/btcnet github.com/mably/btcwire github.com/mably/btcutil code.google.com/p/go.crypto/ripemd160 github.com/btcsuite/btcec Standard library imports bytes crypto/sha1 encoding/binary encoding/hex errors fmt hash io math/big time