1 files changed, 0 insertions, 133 deletions
diff --git a/vendor/github.com/dexon-foundation/dexon-consensus-core/core/crypto/ecdsa/ecdsa.go b/vendor/github.com/dexon-foundation/dexon-consensus-core/core/crypto/ecdsa/ecdsa.go
deleted file mode 100644
index 82e4dca4b..000000000
--- a/vendor/github.com/dexon-foundation/dexon-consensus-core/core/crypto/ecdsa/ecdsa.go
+++ /dev/null
@@ -1,133 +0,0 @@
-// Copyright 2018 The dexon-consensus Authors
-// This file is part of the dexon-consensus library.
-//
-// The dexon-consensus library is free software: you can redistribute it
-// and/or modify it under the terms of the GNU Lesser General Public License as
-// published by the Free Software Foundation, either version 3 of the License,
-// or (at your option) any later version.
-//
-// The dexon-consensus library is distributed in the hope that it will be
-// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
-// General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the dexon-consensus library. If not, see
-// <http://www.gnu.org/licenses/>.
-
-package ecdsa
-
-import (
-	"crypto/ecdsa"
-
-	dexCrypto "github.com/dexon-foundation/dexon/crypto"
-
-	"github.com/dexon-foundation/dexon-consensus/common"
-	"github.com/dexon-foundation/dexon-consensus/core/crypto"
-)
-
-const cryptoType = "ecdsa"
-
-func init() {
-	crypto.RegisterSigToPub(cryptoType, SigToPub)
-}
-
-// PrivateKey represents a private key structure used in geth and implments
-// Crypto.PrivateKey interface.
-type PrivateKey struct {
-	privateKey *ecdsa.PrivateKey
-}
-
-// PublicKey represents a public key structure used in geth and implements
-// Crypto.PublicKey interface.
-type PublicKey struct {
-	publicKey *ecdsa.PublicKey
-}
-
-// NewPrivateKey creates a new PrivateKey structure.
-func NewPrivateKey() (*PrivateKey, error) {
-	key, err := dexCrypto.GenerateKey()
-	if err != nil {
-		return nil, err
-	}
-	return &PrivateKey{privateKey: key}, nil
-}
-
-// NewPrivateKeyFromECDSA creates a new PrivateKey structure from
-// ecdsa.PrivateKey.
-func NewPrivateKeyFromECDSA(key *ecdsa.PrivateKey) *PrivateKey {
-	return &PrivateKey{privateKey: key}
-}
-
-// NewPublicKeyFromECDSA creates a new PublicKey structure from
-// ecdsa.PublicKey.
-func NewPublicKeyFromECDSA(key *ecdsa.PublicKey) *PublicKey {
-	return &PublicKey{publicKey: key}
-}
-
-// NewPublicKeyFromByteSlice constructs an eth.publicKey instance from
-// a byte slice.
-func NewPublicKeyFromByteSlice(b []byte) (crypto.PublicKey, error) {
-	pub, err := dexCrypto.UnmarshalPubkey(b)
-	if err != nil {
-		return &PublicKey{}, err
-	}
-	return &PublicKey{publicKey: pub}, nil
-}
-
-// PublicKey returns the public key associate this private key.
-func (prv *PrivateKey) PublicKey() crypto.PublicKey {
-	return NewPublicKeyFromECDSA(&(prv.privateKey.PublicKey))
-}
-
-// Sign calculates an ECDSA signature.
-//
-// This function is susceptible to chosen plaintext attacks that can leak
-// information about the private key that is used for signing. Callers must
-// be aware that the given hash cannot be chosen by an adversery. Common
-// solution is to hash any input before calculating the signature.
-//
-// The produced signature is in the [R || S || V] format where V is 0 or 1.
-func (prv *PrivateKey) Sign(hash common.Hash) (
-	sig crypto.Signature, err error) {
-	s, err := dexCrypto.Sign(hash[:], prv.privateKey)
-	sig = crypto.Signature{
-		Type:      cryptoType,
-		Signature: s,
-	}
-	return
-}
-
-// VerifySignature checks that the given public key created signature over hash.
-// The public key should be in compressed (33 bytes) or uncompressed (65 bytes)
-// format.
-// The signature should have the 64 byte [R || S] format.
-func (pub *PublicKey) VerifySignature(
-	hash common.Hash, signature crypto.Signature) bool {
-	sig := signature.Signature
-	if len(sig) == 65 {
-		// The last byte is for ecrecover.
-		sig = sig[:64]
-	}
-	return dexCrypto.VerifySignature(pub.Bytes(), hash[:], sig)
-}
-
-// Compress encodes a public key to the 33-byte compressed format.
-func (pub *PublicKey) Compress() []byte {
-	return dexCrypto.CompressPubkey(pub.publicKey)
-}
-
-// Bytes returns the []byte representation of uncompressed public key. (65 bytes)
-func (pub *PublicKey) Bytes() []byte {
-	return dexCrypto.FromECDSAPub(pub.publicKey)
-}
-
-// SigToPub returns the PublicKey that created the given signature.
-func SigToPub(
-	hash common.Hash, signature crypto.Signature) (crypto.PublicKey, error) {
-	key, err := dexCrypto.SigToPub(hash[:], signature.Signature[:])
-	if err != nil {
-		return &PublicKey{}, err
-	}
-	return &PublicKey{publicKey: key}, nil
-}