-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.go
139 lines (117 loc) · 3.89 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
package secret
import (
"crypto/ecdsa"
"crypto/elliptic"
goerr "errors"
"math/big"
"github.com/bnb-chain/tss-lib/v2/common"
tsskeygen "github.com/bnb-chain/tss-lib/v2/ecdsa/keygen"
tsssign "github.com/bnb-chain/tss-lib/v2/ecdsa/signing"
"github.com/bnb-chain/tss-lib/v2/tss"
"github.com/cosmos/cosmos-sdk/client"
clienttx "github.com/cosmos/cosmos-sdk/client/tx"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
"github.com/cosmos/cosmos-sdk/types/bech32"
"github.com/cosmos/cosmos-sdk/types/tx/signing"
xauthsigning "github.com/cosmos/cosmos-sdk/x/auth/signing"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
"github.com/ethereum/go-ethereum/common/hexutil"
eth "github.com/ethereum/go-ethereum/crypto"
"github.com/rarimo/tss-svc/pkg/types"
"google.golang.org/protobuf/types/known/anypb"
)
var (
ErrUninitializedPrivateKey = goerr.New("private key or TSS data should be initialized")
ErrNoTssData = goerr.New("tss data is empty")
)
type TssSecret struct {
tssPrv *ecdsa.PrivateKey
accountPrv cryptotypes.PrivKey
data *tsskeygen.LocalPartySaveData
params *tsskeygen.LocalPreParams
tls bool
}
func NewTssSecret(prv *ecdsa.PrivateKey, account cryptotypes.PrivKey, data *tsskeygen.LocalPartySaveData, params *tsskeygen.LocalPreParams, tls bool) *TssSecret {
if data != nil && data.Xi != nil {
var err error
prv, err = eth.ToECDSA(data.Xi.Bytes())
if err != nil {
panic(err)
}
}
if prv == nil {
panic(ErrUninitializedPrivateKey)
}
return &TssSecret{
tssPrv: prv,
accountPrv: account,
data: data,
params: params,
tls: tls,
}
}
func (t *TssSecret) NewWithData(data *tsskeygen.LocalPartySaveData) *TssSecret {
prv, err := eth.ToECDSA(data.Xi.Bytes())
if err != nil {
panic(err)
}
return &TssSecret{
tssPrv: prv,
accountPrv: t.accountPrv,
data: data,
params: &data.LocalPreParams,
}
}
func (t *TssSecret) Sign(request *types.MsgSubmitRequest) error {
details, err := anypb.New(request.Data)
if err != nil {
return err
}
hash := eth.Keccak256(details.Value)
signature, err := eth.Sign(hash, t.tssPrv)
if err != nil {
return err
}
request.Signature = hexutil.Encode(signature)
return nil
}
func (t *TssSecret) SignTransaction(txConfig client.TxConfig, data xauthsigning.SignerData, builder client.TxBuilder, account *authtypes.BaseAccount) (signing.SignatureV2, error) {
return clienttx.SignWithPrivKey(
txConfig.SignModeHandler().DefaultMode(), data,
builder, t.accountPrv, txConfig, account.Sequence,
)
}
func (t *TssSecret) TssPubKey() string {
// Marshalled point contains constant 0x04 first byte, we have to remove it
marshalled := elliptic.Marshal(eth.S256(), t.tssPrv.X, t.tssPrv.Y)
return hexutil.Encode(marshalled[1:])
}
func (t *TssSecret) AccountAddress() string {
address, _ := bech32.ConvertAndEncode(AccountPrefix, t.accountPrv.PubKey().Address().Bytes())
return address
}
func (t *TssSecret) AccountPubKey() cryptotypes.PubKey {
return t.accountPrv.PubKey()
}
func (t *TssSecret) GlobalPubKey() string {
if t.data == nil {
return ""
}
// Marshalled point contains constant 0x04 first byte, we have to remove it
marshalled := elliptic.Marshal(eth.S256(), t.data.ECDSAPub.X(), t.data.ECDSAPub.Y())
return hexutil.Encode(marshalled[1:])
}
func (t *TssSecret) GetKeygenParty(params *tss.Parameters, out chan<- tss.Message, end chan<- *tsskeygen.LocalPartySaveData) tss.Party {
return tsskeygen.NewLocalParty(params, out, end, *t.params)
}
func (t *TssSecret) GetSignParty(msg *big.Int, params *tss.Parameters, out chan<- tss.Message, end chan<- *common.SignatureData) tss.Party {
return tsssign.NewLocalParty(msg, params, *t.data, out, end)
}
func (t *TssSecret) TLS() bool {
return t.tls
}
// Storage is responsible for managing TSS secret data and Rarimo core account secret data
type Storage interface {
GetTssSecret() *TssSecret
SetTssSecret(secret *TssSecret) error
}