Package org.web3j.crypto

Class StructuredDataEncoder

java.lang.Object

org.web3j.crypto.StructuredDataEncoder

public class StructuredDataEncoder
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
final StructuredData.EIP712Message	jsonMessageObject
static com.fasterxml.jackson.databind.ObjectMapper	mapper

Constructor Summary

Constructors

Constructor	Description
StructuredDataEncoder(String jsonMessageInString)
StructuredDataEncoder(StructuredData.EIP712Message jsonMessageObject)

Method Summary

Modifier and Type	Method	Description
byte[]	encodeData(String primaryType, HashMap<String,Object> data)
String	encodeStruct(String structName)
String	encodeType(String primaryType)
List<Object>	flattenMultidimensionalArray(Object data)
List<Integer>	getArrayDimensionsFromData(Object data)
List<Integer>	getArrayDimensionsFromDeclaration(String declaration)
Set<String>	getDependencies(String primaryType)
List<org.web3j.crypto.Pair>	getDepthsAndDimensions(Object data, int depth)
byte[]	getStructuredData()
byte[]	hashDomain()
byte[]	hashMessage(String primaryType, HashMap<String,Object> data)
byte[]	hashStructuredData()
StructuredData.EIP712Message	parseJSONMessage(String jsonMessageInString)
byte[]	typeHash(String primaryType)
void	validateStructuredData(StructuredData.EIP712Message jsonMessageObject)

Methods inherited from class java.lang.Object

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

Field Details

mapper

public static com.fasterxml.jackson.databind.ObjectMapper mapper

jsonMessageObject

public final StructuredData.EIP712Message jsonMessageObject

Constructor Details

StructuredDataEncoder

public StructuredDataEncoder(StructuredData.EIP712Message jsonMessageObject)

StructuredDataEncoder

public StructuredDataEncoder(String jsonMessageInString)
                      throws IOException,
RuntimeException

Throws:

IOException

RuntimeException

Method Details

getDependencies

public Set<String> getDependencies(String primaryType)

encodeStruct

public String encodeStruct(String structName)

encodeType

public String encodeType(String primaryType)

typeHash

public byte[] typeHash(String primaryType)

getArrayDimensionsFromDeclaration

public List<Integer> getArrayDimensionsFromDeclaration(String declaration)

getDepthsAndDimensions

public List<org.web3j.crypto.Pair> getDepthsAndDimensions(Object data,
 int depth)

getArrayDimensionsFromData

public List<Integer> getArrayDimensionsFromData(Object data)
                                         throws RuntimeException

Throws:

RuntimeException

flattenMultidimensionalArray

public List<Object> flattenMultidimensionalArray(Object data)

encodeData

public byte[] encodeData(String primaryType,
 HashMap<String,Object> data)
                  throws RuntimeException

Throws:

RuntimeException

hashMessage

public byte[] hashMessage(String primaryType,
 HashMap<String,Object> data)
                   throws RuntimeException

Throws:

RuntimeException

hashDomain

public byte[] hashDomain()
                  throws RuntimeException

Throws:

RuntimeException

validateStructuredData

public void validateStructuredData(StructuredData.EIP712Message jsonMessageObject)
                            throws RuntimeException

Throws:

RuntimeException

parseJSONMessage

public StructuredData.EIP712Message parseJSONMessage(String jsonMessageInString)
                                              throws IOException,
RuntimeException

Throws:

IOException

RuntimeException

getStructuredData

public byte[] getStructuredData()
                         throws RuntimeException

Throws:

RuntimeException

hashStructuredData

public byte[] hashStructuredData()
                          throws RuntimeException

Throws:

RuntimeException