Imports github.com/btcsuite/btcd/btcec github.com/btcsuite/btcutil github.com/pkg/errors github.com/scorum/bitshares-go/encoding/transaction github.com/scorum/bitshares-go/sign/rfc6979 github.com/scorum/bitshares-go/types Standard library imports bytes crypto/ecdsa crypto/elliptic crypto/sha256 encoding/binary encoding/hex errors fmt log math/big