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add vrf

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This commit is contained in:
Solovyov1796 2024-05-01 12:33:44 +08:00 committed by 0g-wh
parent 77ec52e16b
commit a437523ea2
7 changed files with 886 additions and 13 deletions
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28
cmd/0gchaind/root.go
View File

@ -12,6 +12,7 @@ import (
"github.com/cosmos/cosmos-sdk/client/config"
"github.com/cosmos/cosmos-sdk/client/debug"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
"github.com/cosmos/cosmos-sdk/server"
servertypes "github.com/cosmos/cosmos-sdk/server/types"
"github.com/cosmos/cosmos-sdk/x/auth/types"
@ -32,15 +33,16 @@ import (
"github.com/Kava-Labs/opendb"
)
// EnvPrefix is the prefix environment variables must have to configure the app.
const EnvPrefix = "KAVA"
func customKeyringOptions() keyring.Option {
return func(options *keyring.Options) {
options.SupportedAlgos = append(hd.SupportedAlgorithms, vrf.VrfAlgo)
options.SupportedAlgosLedger = append(hd.SupportedAlgorithmsLedger, vrf.VrfAlgo)
}
}
// NewRootCmd creates a new root command for the kava blockchain.
// NewRootCmd creates a new root command for the 0g-chain blockchain.
func NewRootCmd() *cobra.Command {
app.SetSDKConfig().Seal()
encodingConfig := app.MakeEncodingConfig()
initClientCtx := client.Context{}.
WithCodec(encodingConfig.Marshaler).
WithInterfaceRegistry(encodingConfig.InterfaceRegistry).
@ -49,13 +51,13 @@ func NewRootCmd() *cobra.Command {
WithInput(os.Stdin).
WithAccountRetriever(types.AccountRetriever{}).
WithBroadcastMode(flags.FlagBroadcastMode).
WithHomeDir(app.DefaultNodeHome).
WithHomeDir(chaincfg.DefaultNodeHome).
WithKeyringOptions(hd.EthSecp256k1Option()).
WithViper(EnvPrefix)
WithViper(chaincfg.EnvPrefix)
rootCmd := &cobra.Command{
Use: "kava",
Short: "Daemon and CLI for the Kava blockchain.",
Use: chaincfg.AppName,
Short: "Daemon and CLI for the 0g-chain blockchain.",
PersistentPreRunE: func(cmd *cobra.Command, _ []string) error {
cmd.SetOut(cmd.OutOrStdout())
cmd.SetErr(cmd.ErrOrStderr())
@ -74,7 +76,7 @@ func NewRootCmd() *cobra.Command {
return err
}
customAppTemplate, customAppConfig := servercfg.AppConfig("ukava")
customAppTemplate, customAppConfig := servercfg.AppConfig(chaincfg.BaseDenom)
return server.InterceptConfigsPreRunHandler(
cmd,
@ -85,7 +87,7 @@ func NewRootCmd() *cobra.Command {
},
}
addSubCmds(rootCmd, encodingConfig, app.DefaultNodeHome)
addSubCmds(rootCmd, encodingConfig, chaincfg.DefaultNodeHome)
return rootCmd
}
@ -126,7 +128,7 @@ func addSubCmds(rootCmd *cobra.Command, encodingConfig params.EncodingConfig, de
opts := ethermintserver.StartOptions{
AppCreator: ac.newApp,
DefaultNodeHome: app.DefaultNodeHome,
DefaultNodeHome: chaincfg.DefaultNodeHome,
DBOpener: dbOpener,
}
// ethermintserver adds additional flags to start the JSON-RPC server for evm support

58
crypto/vrf/algorithm.go Normal file
View File

@ -0,0 +1,58 @@
package vrf
import (
"github.com/cosmos/cosmos-sdk/crypto/hd"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
)
var (
// SupportedAlgorithms defines the list of signing algorithms used on Evmos:
// - eth_secp256k1 (Ethereum)
// - secp256k1 (Tendermint)
SupportedAlgorithms = keyring.SigningAlgoList{VrfAlgo}
// SupportedAlgorithmsLedger defines the list of signing algorithms used on Evmos for the Ledger device:
// - eth_secp256k1 (Ethereum)
// - secp256k1 (Tendermint)
SupportedAlgorithmsLedger = keyring.SigningAlgoList{VrfAlgo}
)
func VrfOption() keyring.Option {
return func(options *keyring.Options) {
options.SupportedAlgos = SupportedAlgorithms
options.SupportedAlgosLedger = SupportedAlgorithmsLedger
}
}
const (
VrfType = hd.PubKeyType(KeyType)
)
var (
_ keyring.SignatureAlgo = VrfAlgo
VrfAlgo = vrfAlgo{}
)
type vrfAlgo struct{}
func (s vrfAlgo) Name() hd.PubKeyType {
return VrfType
}
func (s vrfAlgo) Derive() hd.DeriveFn {
return func(mnemonic, bip39Passphrase, path string) ([]byte, error) {
key, err := GenerateKey()
if err != nil {
return nil, err
}
return key.Bytes(), nil
}
}
func (s vrfAlgo) Generate() hd.GenerateFn {
return func(bz []byte) cryptotypes.PrivKey {
key, _ := GenerateKey()
return key
}
}

496
crypto/vrf/keys.pb.go Normal file
View File

@ -0,0 +1,496 @@
// Code generated by protoc-gen-gogo. DO NOT EDIT.
// source: crypto/vrf/keys.proto
package vrf
import (
fmt "fmt"
_ "github.com/gogo/protobuf/gogoproto"
proto "github.com/gogo/protobuf/proto"
io "io"
math "math"
math_bits "math/bits"
)
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
// PubKey defines a type alias for an vrf.PublicKey that implements
// Vrf's PubKey interface. It represents the 32-byte compressed public
// key format.
type PubKey struct {
// key is the public key in byte form
Key []byte `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
}
func (m *PubKey) Reset() { *m = PubKey{} }
func (*PubKey) ProtoMessage() {}
func (*PubKey) Descriptor() ([]byte, []int) {
return fileDescriptor_eae59d1af27f5957, []int{0}
}
func (m *PubKey) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
}
func (m *PubKey) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
if deterministic {
return xxx_messageInfo_PubKey.Marshal(b, m, deterministic)
} else {
b = b[:cap(b)]
n, err := m.MarshalToSizedBuffer(b)
if err != nil {
return nil, err
}
return b[:n], nil
}
}
func (m *PubKey) XXX_Merge(src proto.Message) {
xxx_messageInfo_PubKey.Merge(m, src)
}
func (m *PubKey) XXX_Size() int {
return m.Size()
}
func (m *PubKey) XXX_DiscardUnknown() {
xxx_messageInfo_PubKey.DiscardUnknown(m)
}
var xxx_messageInfo_PubKey proto.InternalMessageInfo
func (m *PubKey) GetKey() []byte {
if m != nil {
return m.Key
}
return nil
}
// PrivKey defines a type alias for an vrf.PrivateKey that implements
// Vrf's PrivateKey interface.
type PrivKey struct {
// key is the private key in byte form
Key []byte `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
}
func (m *PrivKey) Reset() { *m = PrivKey{} }
func (m *PrivKey) String() string { return proto.CompactTextString(m) }
func (*PrivKey) ProtoMessage() {}
func (*PrivKey) Descriptor() ([]byte, []int) {
return fileDescriptor_eae59d1af27f5957, []int{1}
}
func (m *PrivKey) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
}
func (m *PrivKey) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
if deterministic {
return xxx_messageInfo_PrivKey.Marshal(b, m, deterministic)
} else {
b = b[:cap(b)]
n, err := m.MarshalToSizedBuffer(b)
if err != nil {
return nil, err
}
return b[:n], nil
}
}
func (m *PrivKey) XXX_Merge(src proto.Message) {
xxx_messageInfo_PrivKey.Merge(m, src)
}
func (m *PrivKey) XXX_Size() int {
return m.Size()
}
func (m *PrivKey) XXX_DiscardUnknown() {
xxx_messageInfo_PrivKey.DiscardUnknown(m)
}
var xxx_messageInfo_PrivKey proto.InternalMessageInfo
func (m *PrivKey) GetKey() []byte {
if m != nil {
return m.Key
}
return nil
}
func init() {
proto.RegisterType((*PubKey)(nil), "crypto.vrf.PubKey")
proto.RegisterType((*PrivKey)(nil), "crypto.vrf.PrivKey")
}
func init() { proto.RegisterFile("crypto/vrf/keys.proto", fileDescriptor_eae59d1af27f5957) }
var fileDescriptor_eae59d1af27f5957 = []byte{
// 174 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x12, 0x4d, 0x2e, 0xaa, 0x2c,
0x28, 0xc9, 0xd7, 0x2f, 0x2b, 0x4a, 0xd3, 0xcf, 0x4e, 0xad, 0x2c, 0xd6, 0x2b, 0x28, 0xca, 0x2f,
0xc9, 0x17, 0xe2, 0x82, 0x08, 0xeb, 0x95, 0x15, 0xa5, 0x49, 0x89, 0xa4, 0xe7, 0xa7, 0xe7, 0x83,
0x85, 0xf5, 0x41, 0x2c, 0x88, 0x0a, 0x25, 0x05, 0x2e, 0xb6, 0x80, 0xd2, 0x24, 0xef, 0xd4, 0x4a,
0x21, 0x01, 0x2e, 0xe6, 0xec, 0xd4, 0x4a, 0x09, 0x46, 0x05, 0x46, 0x0d, 0x9e, 0x20, 0x10, 0xd3,
0x8a, 0x65, 0xc6, 0x02, 0x79, 0x06, 0x25, 0x69, 0x2e, 0xf6, 0x80, 0xa2, 0xcc, 0x32, 0xac, 0x4a,
0x9c, 0xec, 0x4f, 0x3c, 0x92, 0x63, 0xbc, 0xf0, 0x48, 0x8e, 0xf1, 0xc1, 0x23, 0x39, 0xc6, 0x09,
0x8f, 0xe5, 0x18, 0x2e, 0x3c, 0x96, 0x63, 0xb8, 0xf1, 0x58, 0x8e, 0x21, 0x4a, 0x35, 0x3d, 0xb3,
0x24, 0xa3, 0x34, 0x49, 0x2f, 0x39, 0x3f, 0x57, 0xdf, 0x20, 0x3d, 0x27, 0x31, 0xa9, 0x58, 0xdf,
0x20, 0x5d, 0x37, 0x39, 0x23, 0x31, 0x33, 0x4f, 0x1f, 0xe1, 0xd8, 0x24, 0x36, 0xb0, 0x33, 0x8c,
0x01, 0x01, 0x00, 0x00, 0xff, 0xff, 0xdb, 0xb8, 0x32, 0x07, 0xc1, 0x00, 0x00, 0x00,
}
func (m *PubKey) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalToSizedBuffer(dAtA[:size])
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *PubKey) MarshalTo(dAtA []byte) (int, error) {
size := m.Size()
return m.MarshalToSizedBuffer(dAtA[:size])
}
func (m *PubKey) MarshalToSizedBuffer(dAtA []byte) (int, error) {
i := len(dAtA)
_ = i
var l int
_ = l
if len(m.Key) > 0 {
i -= len(m.Key)
copy(dAtA[i:], m.Key)
i = encodeVarintKeys(dAtA, i, uint64(len(m.Key)))
i--
dAtA[i] = 0xa
}
return len(dAtA) - i, nil
}
func (m *PrivKey) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalToSizedBuffer(dAtA[:size])
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *PrivKey) MarshalTo(dAtA []byte) (int, error) {
size := m.Size()
return m.MarshalToSizedBuffer(dAtA[:size])
}
func (m *PrivKey) MarshalToSizedBuffer(dAtA []byte) (int, error) {
i := len(dAtA)
_ = i
var l int
_ = l
if len(m.Key) > 0 {
i -= len(m.Key)
copy(dAtA[i:], m.Key)
i = encodeVarintKeys(dAtA, i, uint64(len(m.Key)))
i--
dAtA[i] = 0xa
}
return len(dAtA) - i, nil
}
func encodeVarintKeys(dAtA []byte, offset int, v uint64) int {
offset -= sovKeys(v)
base := offset
for v >= 1<<7 {
dAtA[offset] = uint8(v&0x7f | 0x80)
v >>= 7
offset++
}
dAtA[offset] = uint8(v)
return base
}
func (m *PubKey) Size() (n int) {
if m == nil {
return 0
}
var l int
_ = l
l = len(m.Key)
if l > 0 {
n += 1 + l + sovKeys(uint64(l))
}
return n
}
func (m *PrivKey) Size() (n int) {
if m == nil {
return 0
}
var l int
_ = l
l = len(m.Key)
if l > 0 {
n += 1 + l + sovKeys(uint64(l))
}
return n
}
func sovKeys(x uint64) (n int) {
return (math_bits.Len64(x|1) + 6) / 7
}
func sozKeys(x uint64) (n int) {
return sovKeys(uint64((x << 1) ^ uint64((int64(x) >> 63))))
}
func (m *PubKey) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowKeys
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: PubKey: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: PubKey: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
}
var byteLen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowKeys
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
byteLen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if byteLen < 0 {
return ErrInvalidLengthKeys
}
postIndex := iNdEx + byteLen
if postIndex < 0 {
return ErrInvalidLengthKeys
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Key = append(m.Key[:0], dAtA[iNdEx:postIndex]...)
if m.Key == nil {
m.Key = []byte{}
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipKeys(dAtA[iNdEx:])
if err != nil {
return err
}
if (skippy < 0) || (iNdEx+skippy) < 0 {
return ErrInvalidLengthKeys
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func (m *PrivKey) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowKeys
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: PrivKey: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: PrivKey: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
}
var byteLen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowKeys
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
byteLen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if byteLen < 0 {
return ErrInvalidLengthKeys
}
postIndex := iNdEx + byteLen
if postIndex < 0 {
return ErrInvalidLengthKeys
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Key = append(m.Key[:0], dAtA[iNdEx:postIndex]...)
if m.Key == nil {
m.Key = []byte{}
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipKeys(dAtA[iNdEx:])
if err != nil {
return err
}
if (skippy < 0) || (iNdEx+skippy) < 0 {
return ErrInvalidLengthKeys
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skipKeys(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0
depth := 0
for iNdEx < l {
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowKeys
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
wireType := int(wire & 0x7)
switch wireType {
case 0:
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowKeys
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
iNdEx++
if dAtA[iNdEx-1] < 0x80 {
break
}
}
case 1:
iNdEx += 8
case 2:
var length int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowKeys
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
length |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
if length < 0 {
return 0, ErrInvalidLengthKeys
}
iNdEx += length
case 3:
depth++
case 4:
if depth == 0 {
return 0, ErrUnexpectedEndOfGroupKeys
}
depth--
case 5:
iNdEx += 4
default:
return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
}
if iNdEx < 0 {
return 0, ErrInvalidLengthKeys
}
if depth == 0 {
return iNdEx, nil
}
}
return 0, io.ErrUnexpectedEOF
}
var (
ErrInvalidLengthKeys = fmt.Errorf("proto: negative length found during unmarshaling")
ErrIntOverflowKeys = fmt.Errorf("proto: integer overflow")
ErrUnexpectedEndOfGroupKeys = fmt.Errorf("proto: unexpected end of group")
)

194
crypto/vrf/vrf.go Normal file
View File

@ -0,0 +1,194 @@
package vrf
import (
"bytes"
"crypto/subtle"
"fmt"
errorsmod "cosmossdk.io/errors"
vrfalgo "github.com/coniks-sys/coniks-go/crypto/vrf"
"github.com/cosmos/cosmos-sdk/codec"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
errortypes "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/ethereum/go-ethereum/common"
tmcrypto "github.com/tendermint/tendermint/crypto"
)
const (
// PrivKeySize defines the size of the PrivKey bytes
PrivKeySize = 64
// PubKeySize defines the size of the PubKey bytes
PubKeySize = 32
// KeyType is the string constant for the vrf algorithm
KeyType = "vrf"
)
// Amino encoding names
const (
// PrivKeyName defines the amino encoding name for the vrf private key
PrivKeyName = "vrf/PrivKey"
// PubKeyName defines the amino encoding name for the vrf public key
PubKeyName = "vrf/PubKey"
)
// ----------------------------------------------------------------------------
// vrf Private Key
var (
_ cryptotypes.PrivKey = &PrivKey{}
_ codec.AminoMarshaler = &PrivKey{}
)
// GenerateKey generates a new random private key. It returns an error upon
// failure.
func GenerateKey() (*PrivKey, error) {
priv, err := vrfalgo.GenerateKey(nil)
if err != nil {
return nil, err
}
return &PrivKey{
Key: priv,
}, nil
}
func (privKey PrivKey) getVrfPrivateKey() vrfalgo.PrivateKey {
return vrfalgo.PrivateKey(privKey.Key)
}
// Bytes returns the byte representation of the Private Key.
func (privKey PrivKey) Bytes() []byte {
bz := make([]byte, len(privKey.Key))
copy(bz, privKey.Key)
return bz
}
// PubKey returns the private key's public key. If the privkey is not valid
// it returns a nil value.
func (privKey PrivKey) PubKey() cryptotypes.PubKey {
pk, _ := vrfalgo.PrivateKey(privKey.Key).Public()
return &PubKey{
Key: pk,
}
}
// Equals returns true if two private keys are equal and false otherwise.
func (privKey PrivKey) Equals(other cryptotypes.LedgerPrivKey) bool {
return privKey.Type() == other.Type() && subtle.ConstantTimeCompare(privKey.Bytes(), other.Bytes()) == 1
}
// Type returns vrf
func (privKey PrivKey) Type() string {
return KeyType
}
// Compute generates the vrf value for the byte slice m using the
// underlying private key sk.
func (privKey PrivKey) Sign(digestBz []byte) ([]byte, error) {
sk := privKey.getVrfPrivateKey()
return sk.Compute(digestBz), nil
}
// MarshalAmino overrides Amino binary marshaling.
func (privKey PrivKey) MarshalAmino() ([]byte, error) {
return privKey.Key, nil
}
// UnmarshalAmino overrides Amino binary marshaling.
func (privKey *PrivKey) UnmarshalAmino(bz []byte) error {
if len(bz) != PrivKeySize {
return fmt.Errorf("invalid privkey size, expected %d got %d", PrivKeySize, len(bz))
}
privKey.Key = bz
return nil
}
// MarshalAminoJSON overrides Amino JSON marshaling.
func (privKey PrivKey) MarshalAminoJSON() ([]byte, error) {
// When we marshal to Amino JSON, we don't marshal the "key" field itself,
// just its contents (i.e. the key bytes).
return privKey.MarshalAmino()
}
// UnmarshalAminoJSON overrides Amino JSON marshaling.
func (privKey *PrivKey) UnmarshalAminoJSON(bz []byte) error {
return privKey.UnmarshalAmino(bz)
}
// ----------------------------------------------------------------------------
// vrf Public Key
var (
_ cryptotypes.PubKey = &PubKey{}
_ codec.AminoMarshaler = &PubKey{}
)
// func (pubKey PubKey) getVrfPublicKey() vrfalgo.PublicKey {
// return vrfalgo.PublicKey(pubKey.Key)
// }
// Address returns the address of the ECDSA public key.
// The function will return an empty address if the public key is invalid.
func (pubKey PubKey) Address() tmcrypto.Address {
return tmcrypto.Address(common.BytesToAddress(pubKey.Key).Bytes())
}
// Bytes returns the raw bytes of the ECDSA public key.
func (pubKey PubKey) Bytes() []byte {
bz := make([]byte, len(pubKey.Key))
copy(bz, pubKey.Key)
return bz
}
// String implements the fmt.Stringer interface.
func (pubKey PubKey) String() string {
return fmt.Sprintf("vrf{%X}", pubKey.Key)
}
// Type returns vrf
func (pubKey PubKey) Type() string {
return KeyType
}
// Equals returns true if the pubkey type is the same and their bytes are deeply equal.
func (pubKey PubKey) Equals(other cryptotypes.PubKey) bool {
return pubKey.Type() == other.Type() && bytes.Equal(pubKey.Bytes(), other.Bytes())
}
// Verify returns true iff vrf=Compute(m) for the sk that
// corresponds to pk.
func (pubKey PubKey) VerifySignature(msg, sig []byte) bool {
panic("not implement")
}
// MarshalAmino overrides Amino binary marshaling.
func (pubKey PubKey) MarshalAmino() ([]byte, error) {
return pubKey.Key, nil
}
// UnmarshalAmino overrides Amino binary marshaling.
func (pubKey *PubKey) UnmarshalAmino(bz []byte) error {
if len(bz) != PubKeySize {
return errorsmod.Wrapf(errortypes.ErrInvalidPubKey, "invalid pubkey size, expected %d, got %d", PubKeySize, len(bz))
}
pubKey.Key = bz
return nil
}
// MarshalAminoJSON overrides Amino JSON marshaling.
func (pubKey PubKey) MarshalAminoJSON() ([]byte, error) {
// When we marshal to Amino JSON, we don't marshal the "key" field itself,
// just its contents (i.e. the key bytes).
return pubKey.MarshalAmino()
}
// UnmarshalAminoJSON overrides Amino JSON marshaling.
func (pubKey *PubKey) UnmarshalAminoJSON(bz []byte) error {
return pubKey.UnmarshalAmino(bz)
}

96
crypto/vrf/vrf_test.go Normal file
View File

@ -0,0 +1,96 @@
package vrf
import (
"testing"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
"encoding/base64"
"github.com/stretchr/testify/require"
"github.com/cosmos/cosmos-sdk/codec"
)
func TestPrivKey(t *testing.T) {
// validate type and equality
privKey, err := GenerateKey()
require.NoError(t, err)
require.Implements(t, (*cryptotypes.PrivKey)(nil), privKey)
// validate inequality
privKey2, err := GenerateKey()
require.NoError(t, err)
require.False(t, privKey.Equals(privKey2))
}
func TestPrivKey_PubKey(t *testing.T) {
privKey, err := GenerateKey()
require.NoError(t, err)
// validate type and equality
pubKey := &PubKey{
Key: privKey.PubKey().Bytes(),
}
require.Implements(t, (*cryptotypes.PubKey)(nil), pubKey)
// validate inequality
privKey2, err := GenerateKey()
require.NoError(t, err)
require.False(t, pubKey.Equals(privKey2.PubKey()))
}
func TestMarshalAmino(t *testing.T) {
aminoCdc := codec.NewLegacyAmino()
privKey, err := GenerateKey()
require.NoError(t, err)
pubKey := privKey.PubKey().(*PubKey)
testCases := []struct {
desc string
msg codec.AminoMarshaler
typ interface{}
expBinary []byte
expJSON string
}{
{
"vrf private key",
privKey,
&PrivKey{},
append([]byte{64}, privKey.Bytes()...), // Length-prefixed.
"\"" + base64.StdEncoding.EncodeToString(privKey.Bytes()) + "\"",
},
{
"vrf public key",
pubKey,
&PubKey{},
append([]byte{32}, pubKey.Bytes()...), // Length-prefixed.
"\"" + base64.StdEncoding.EncodeToString(pubKey.Bytes()) + "\"",
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
// Do a round trip of encoding/decoding binary.
bz, err := aminoCdc.Marshal(tc.msg)
require.NoError(t, err)
require.Equal(t, tc.expBinary, bz)
err = aminoCdc.Unmarshal(bz, tc.typ)
require.NoError(t, err)
require.Equal(t, tc.msg, tc.typ)
// Do a round trip of encoding/decoding JSON.
bz, err = aminoCdc.MarshalJSON(tc.msg)
require.NoError(t, err)
require.Equal(t, tc.expJSON, string(bz))
err = aminoCdc.UnmarshalJSON(bz, tc.typ)
require.NoError(t, err)
require.Equal(t, tc.msg, tc.typ)
})
}
}

2
go.sum
View File

@ -401,6 +401,8 @@ github.com/coinbase/rosetta-sdk-go v0.7.9 h1:lqllBjMnazTjIqYrOGv8h8jxjg9+hJazIGZ
github.com/coinbase/rosetta-sdk-go v0.7.9/go.mod h1:0/knutI7XGVqXmmH4OQD8OckFrbQ8yMsUZTG7FXCR2M=
github.com/confio/ics23/go v0.9.0 h1:cWs+wdbS2KRPZezoaaj+qBleXgUk5WOQFMP3CQFGTr4=
github.com/confio/ics23/go v0.9.0/go.mod h1:4LPZ2NYqnYIVRklaozjNR1FScgDJ2s5Xrp+e/mYVRak=
github.com/coniks-sys/coniks-go v0.0.0-20180722014011-11acf4819b71 h1:MFLTqgfJclmtaQ1SRUrWwmDX/1UBok3XWUethkJ2swQ=
github.com/coniks-sys/coniks-go v0.0.0-20180722014011-11acf4819b71/go.mod h1:TrHYHH4Wze7v7Hkwu1MH1W+mCPQKM+gs+PicdEV14o8=
github.com/consensys/bavard v0.1.8-0.20210406032232-f3452dc9b572/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
github.com/consensys/bavard v0.1.8-0.20210915155054-088da2f7f54a/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI=
github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f/go.mod h1:815PAHg3wvysy0SyIqanF8gZ0Y1wjk/hrDHD/iT88+Q=

25
proto/crypto/vrf/keys.proto Normal file
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@ -0,0 +1,25 @@
// Copyright Tharsis Labs Ltd.(Evmos)
// SPDX-License-Identifier:ENCL-1.0(https://github.com/evmos/evmos/blob/main/LICENSE)
syntax = "proto3";
package crypto.vrf;
import "gogoproto/gogo.proto";
option go_package = "github.com/0glabs/0g-chain/crypto/vrf";
// PubKey defines a type alias for an vrf.PublicKey that implements
// Vrf's PubKey interface. It represents the 32-byte compressed public
// key format.
message PubKey {
option (gogoproto.goproto_stringer) = false;
// key is the public key in byte form
bytes key = 1;
}
// PrivKey defines a type alias for an vrf.PrivateKey that implements
// Vrf's PrivateKey interface.
message PrivKey {
// key is the private key in byte form
bytes key = 1;
}