Package org.starcoin.utils

Class SignatureUtils

java.lang.Object

org.starcoin.utils.SignatureUtils

public class SignatureUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static String	GAS_TOKEN_CODE_STC

Constructor Summary

Constructors

Constructor	Description
SignatureUtils()

Method Summary

Modifier and Type	Method	Description
static byte[]	ed25519Sign(Ed25519PrivateKey privateKey, byte[] data)
static boolean	ed25519Verify(Ed25519PublicKey publicKey, byte[] signingMessage, byte[] signature)
static Ed25519PublicKey	getPublicKey(Ed25519PrivateKey privateKey)
static String	getTransactionHash(Ed25519PrivateKey ed25519PrivateKey, Integer chainId, AccountAddress accountAddress, BigInteger accountSeqNumber, TransactionPayload payload, BigInteger gasPrice, BigInteger gasLimit, Long expirationTimestampSecs, String gasTokenCode)	Compute transaction hash locally.
static String	getTransactionHash(SignedUserTransaction signedUserTransaction)	Compute transaction hash locally.
static boolean	multiEd25519Verify(MultiEd25519PublicKey publicKey, byte[] signingMessage, byte[] signature)
static boolean	signedMessageCheckAccount(SignedMessage signedMessage, ChainId chainId, AccountResource accountResource)
static boolean	signedMessageCheckSignature(SignedMessage signedMessage)
static String	signPersonalBcsSerializedMessage(Ed25519PrivateKey privateKey, String serializedMessageHex)	Sign personal BCS serialized SigningMessage.
static String	signPersonalMessage(Ed25519PrivateKey privateKey, String message)	Sign personal string message.
static SignedUserTransaction	signTxn(Ed25519PrivateKey privateKey, RawUserTransaction rawUserTransaction)
static Ed25519PrivateKey	strToPrivateKey(String privateKeyString)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

GAS_TOKEN_CODE_STC

public static final String GAS_TOKEN_CODE_STC

See Also:

Constant Field Values

Constructor Detail

SignatureUtils

public SignatureUtils()

Method Detail

getTransactionHash

public static String getTransactionHash(Ed25519PrivateKey ed25519PrivateKey,
                                        Integer chainId,
                                        AccountAddress accountAddress,
                                        BigInteger accountSeqNumber,
                                        TransactionPayload payload,
                                        BigInteger gasPrice,
                                        BigInteger gasLimit,
                                        Long expirationTimestampSecs,
                                        String gasTokenCode)

Compute transaction hash locally.

getTransactionHash

public static String getTransactionHash(SignedUserTransaction signedUserTransaction)
                                 throws SerializationError

Compute transaction hash locally.

Throws:

SerializationError

signTxn

public static SignedUserTransaction signTxn(Ed25519PrivateKey privateKey,
                                            RawUserTransaction rawUserTransaction)

signPersonalBcsSerializedMessage

public static String signPersonalBcsSerializedMessage(Ed25519PrivateKey privateKey,
                                                      String serializedMessageHex)

Sign personal BCS serialized SigningMessage.

Parameters:

privateKey - Private key

serializedMessageHex - BCS serialized SigningMessage hex.

Returns:

Signature

signPersonalMessage

public static String signPersonalMessage(Ed25519PrivateKey privateKey,
                                         String message)

Sign personal string message.

Parameters:

privateKey - Private key

message - string message to be signed as UTF_8 bytes

Returns:

Signature

signedMessageCheckAccount

public static boolean signedMessageCheckAccount(SignedMessage signedMessage,
                                                ChainId chainId,
                                                AccountResource accountResource)
                                         throws DeserializationError,
                                                SerializationError

Throws:

DeserializationError

SerializationError

signedMessageCheckSignature

public static boolean signedMessageCheckSignature(SignedMessage signedMessage)
                                           throws SerializationError,
                                                  DeserializationError

Throws:

SerializationError

DeserializationError

getPublicKey

public static Ed25519PublicKey getPublicKey(Ed25519PrivateKey privateKey)

ed25519Sign

public static byte[] ed25519Sign(Ed25519PrivateKey privateKey,
                                 byte[] data)

ed25519Verify

public static boolean ed25519Verify(Ed25519PublicKey publicKey,
                                    byte[] signingMessage,
                                    byte[] signature)

multiEd25519Verify

public static boolean multiEd25519Verify(MultiEd25519PublicKey publicKey,
                                         byte[] signingMessage,
                                         byte[] signature)

strToPrivateKey

public static Ed25519PrivateKey strToPrivateKey(String privateKeyString)