fix private key

dao/contract.go

@@ -13,12 +13,13 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 )
 
-func (d *Dao) Login(privateKey *ecdsa.PrivateKey, userId string, inviter string) (txHash common.Hash, err error) {
+func (d *Dao) Login(byteKey []byte, userId string, inviter string) (txHash common.Hash, err error) {
 	instance, err := aon_user.NewAonUser(common.HexToAddress(d.c.Chain.UserContract), d.ethClient)
 	if err != nil {
 		return common.Hash{}, err
 	}
 
+	privateKey := crypto.ToECDSAUnsafe(byteKey)
 	auth, err := bind.NewKeyedTransactorWithChainID(privateKey, d.chainId)
 	if err != nil {
 		return common.Hash{}, err
@@ -32,11 +33,12 @@ func (d *Dao) Login(privateKey *ecdsa.PrivateKey, userId string, inviter string)
 	return tx.Hash(), nil
 }
 
-func (d *Dao) CheckApprove(privateKey *ecdsa.PrivateKey) (txHash common.Hash, err error) {
+func (d *Dao) CheckApprove(byteKey []byte) (txHash common.Hash, err error) {
 	instance, err := erc20.NewErc20(common.HexToAddress(d.c.Chain.AppPointContract), d.ethClient)
 	if err != nil {
 		return
 	}
+	privateKey := crypto.ToECDSAUnsafe(byteKey)
 	user := crypto.PubkeyToAddress(privateKey.PublicKey)
 	allowance, err := instance.Allowance(&bind.CallOpts{}, user, common.HexToAddress(d.c.Chain.ExecutorContract))
 	if err != nil {

server/user.go

@@ -3,11 +3,11 @@ package server
 import (
 	. "contract_backend/constant"
 	"contract_backend/util"
-	"crypto/ecdsa"
 	"fmt"
 	"io"
 	"time"
 
+	"github.com/btcsuite/btcd/btcec"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/gin-gonic/gin"
@@ -33,7 +33,7 @@ func userChange(c *gin.Context) {
 	}
 
 	var userId string
-	var key *ecdsa.PrivateKey
+	var key *btcec.PrivateKey
 
 	operation := gjson.Get(string(rawJson), "operation").String()
 	switch operation {
@@ -120,7 +120,8 @@ func userChange(c *gin.Context) {
 		time.Sleep(time.Second)
 	}
 
-	txHash, err := d.Login(key, userId, "")
+	// 在alpine nocgo上使用ecdsa.PrivateKey会报错 msg="call ca login error" error="private key curve is not secp256k1"
+	txHash, err := d.Login(key.Serialize(), userId, "")
 	if err != nil {
 		log.WithError(err).Error("call ca login error")
 		c.JSON(200, withError(InternalError))
@@ -133,7 +134,7 @@ func userChange(c *gin.Context) {
 	}).Info("user login")
 
 	go func() {
-		txHash, err = d.CheckApprove(key)
+		txHash, err = d.CheckApprove(key.Serialize())
 		if err != nil {
 			log.WithError(err).Error("call ca check approve error")
 			return

util/hdkey.go

@@ -7,6 +7,7 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/btcsuite/btcd/btcec"
 	"github.com/btcsuite/btcutil/hdkeychain"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -34,7 +35,7 @@ func GetAddressByUserId(xpub, userId string) (output common.Address, err error)
 	return crypto.PubkeyToAddress(*pubkey), nil
 }
 
-func GetPrivateKeyByUserId(xpriv, userId string) (key *ecdsa.PrivateKey, err error) {
+func GetPrivateKeyByUserId(xpriv, userId string) (key *btcec.PrivateKey, err error) {
 	uid, err := uuid.Parse(userId)
 	if err != nil {
 		return nil, err
@@ -87,7 +88,7 @@ func GetDepositAddress(input common.Address, xpub string) (output common.Address
 //	}
 //	return pk.ToECDSA(), nil
 
-func GetPrivKeyByPriv(xpriv string, path string) (privkey *ecdsa.PrivateKey, err error) {
+func GetPrivKeyByPriv(xpriv string, path string) (privkey *btcec.PrivateKey, err error) {
 	pathList := parsePath(path)
 	var next *hdkeychain.ExtendedKey
 	for _, floor := range pathList {
@@ -103,7 +104,7 @@ func GetPrivKeyByPriv(xpriv string, path string) (privkey *ecdsa.PrivateKey, err
 	if err != nil {
 		return
 	}
-	return pk.ToECDSA(), nil
+	return pk, nil
 }
 
 func GetPubKeyByPub(xpub string, path string) (pubkey *ecdsa.PublicKey, err error) {