Imports github.com/conformal/btclog github.com/conformal/fastsha256 github.com/davecgh/go-spew/spew github.com/conformal/btcutil github.com/conformal/btcwire code.google.com/p/go.crypto/ripemd160 github.com/conformal/btcec Standard library imports bytes crypto/ecdsa crypto/rand crypto/sha1 encoding/binary errors fmt hash io math/big time