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add SetPrivateKey to go wrapper #198

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merged 1 commit into from
Dec 21, 2023
Merged

add SetPrivateKey to go wrapper #198

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28 changes: 27 additions & 1 deletion bindings/go/csdk/csdk_wrapper.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ import (
"encoding/hex"
"fmt"
"strings"
"sync"
"time"
"unsafe"

Expand All @@ -39,6 +40,7 @@ type CSDK struct {
groupID *C.char
keyPair unsafe.Pointer
privateKeyBytes []byte
keyPairMutex sync.Mutex
}

var contextCache = cache.New(5*time.Minute, 10*time.Minute)
Expand Down Expand Up @@ -255,6 +257,8 @@ func NewSDKByConfigFile(configFile string, groupID string, privateKey []byte) (*
}

func (csdk *CSDK) Close() {
csdk.keyPairMutex.Lock()
defer csdk.keyPairMutex.Unlock()
C.bcos_sdk_stop(csdk.sdk)
C.bcos_sdk_destroy(csdk.sdk)
C.bcos_sdk_c_free(unsafe.Pointer(csdk.groupID))
Expand All @@ -274,6 +278,24 @@ func (csdk *CSDK) PrivateKeyBytes() []byte {
return csdk.privateKeyBytes
}

// SetPrivateKey set private key
func (csdk *CSDK) SetPrivateKey(privateKeyBytes []byte) error {
cryptoType := C_SDK_ECDSA_CRYPTO
if csdk.smCrypto {
cryptoType = C_SDK_SM_CRYPTO
}
keyPair := C.bcos_sdk_create_keypair_by_private_key(cryptoType, unsafe.Pointer(&privateKeyBytes[0]), C.uint(len(privateKeyBytes)))
if keyPair == nil {
message := C.bcos_sdk_get_last_error_msg()
return fmt.Errorf("SetPrivateKey bcos_sdk_create_keypair_by_private_key failed with error: %s", C.GoString(message))
}
csdk.keyPairMutex.Lock()
defer csdk.keyPairMutex.Unlock()
C.bcos_sdk_destroy_keypair(csdk.keyPair)
csdk.keyPair = keyPair
return nil
}

func (csdk *CSDK) SMCrypto() bool {
return csdk.smCrypto
}
Expand Down Expand Up @@ -518,11 +540,13 @@ func (csdk *CSDK) CreateAndSendTransaction(chanData *CallbackChan, to string, da
if block_limit < 0 {
return nil, fmt.Errorf("group not exist, group: %s", C.GoString(csdk.groupID))
}

csdk.keyPairMutex.Lock()
C.bcos_sdk_create_signed_transaction_ver_extra_data(csdk.keyPair, csdk.groupID, csdk.chainID, cTo, cData, nil, block_limit, 0, cExtraData, &tx_hash, &signed_tx)
if C.bcos_sdk_is_last_opr_success() == 0 {
csdk.keyPairMutex.Unlock()
return nil, fmt.Errorf("bcos_sdk_create_signed_transaction, error: %s", C.GoString(C.bcos_sdk_get_last_error_msg()))
}
csdk.keyPairMutex.Unlock()
txHash, err := hex.DecodeString(strings.TrimPrefix(C.GoString(tx_hash), "0x"))
if err != nil {
return nil, err
Expand Down Expand Up @@ -578,6 +602,8 @@ func (csdk *CSDK) CreateEncodedTransactionDataV1(blockLimit int64, to string, in
func (csdk *CSDK) CreateEncodedSignature(hash []byte) ([]byte, error) {
hexHash := hex.EncodeToString(hash)
cHexHash := C.CString(hexHash)
csdk.keyPairMutex.Lock()
defer csdk.keyPairMutex.Unlock()
signatureHex := C.bcos_sdk_sign_transaction_data_hash(csdk.keyPair, cHexHash)
defer C.bcos_sdk_c_free(unsafe.Pointer(signatureHex))
if C.bcos_sdk_is_last_opr_success() == 0 {
Expand Down
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