org.polkadot.types.type

Class Extrinsic

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<java.lang.String,Codec>

org.polkadot.types.codec.Struct

org.polkadot.types.type.Extrinsic

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map<java.lang.String,Codec>, Codec, Types.IExtrinsic, Types.IMethod

Direct Known Subclasses:

SubmittableExtrinsic.SubmittableExtrinsicImpl

public class Extrinsic
extends Struct
implements Types.IExtrinsic

Representation of an Extrinsic in the system. It contains the actual call, (optional) signature and encodes with an actual length prefix

Can be: - signed, to create a transaction - left as is, to create an inherent

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Extrinsic.ExtrinsicValue

Nested classes/interfaces inherited from class java.util.AbstractMap

java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V>

Constructor Summary

Constructors

Constructor and Description
Extrinsic(java.lang.Object value)

Method Summary

Modifier and Type	Method and Description
Extrinsic	addSignature(java.lang.Object signer, byte[] signature, java.lang.Object nonce, byte[] era) Add an ExtrinsicSignature to the extrinsic (already generated)
java.util.List<Codec>	getArgs() The arguments passed to for the call, exposes args so it is compatible with Method
Types.ConstructorDef	getArgsDef() Thge argument defintions, compatible with Method
byte[]	getCallIndex() The actual [sectionIndex, methodIndex] as used in the Method
byte[]	getData() The actual data for the Method
int	getEncodedLength() The length of the value when encoded as a Uint8Array
U8a	getHash() Convernience function, encodes the extrinsic and returns the actual hash
Modules.FunctionMetadata	getMeta() The FunctionMetadata that describes the extrinsic
Method	getMethod() The Method this extrinsic wraps
ExtrinsicSignature	getSignature() The ExtrinsicSignature
boolean	hasOrigin() true is method has Origin argument (compatibility with Method)
boolean	isSigned() true id the extrinsic is signed
int	length() The length of the encoded value
Extrinsic	sign(Types.KeyringPair account, Types.SignatureOptions options) Sign the extrinsic with a specific keypair
java.lang.String	toHex() Returns a hex string representation of the value
java.lang.Object	toJson() Converts the Object to JSON, typically used for RPC transfers
byte[]	toU8a(boolean isBare) Encodes the value as a Uint8Array as per the parity-codec specifications

Methods inherited from class org.polkadot.types.codec.Struct

builder, eq, getField, isEmpty, toArray, toString, with

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, entrySet, forEach, get, getOrDefault, keySet, removeEldestEntry, replaceAll, values

Methods inherited from class java.util.HashMap

clone, compute, computeIfAbsent, computeIfPresent, containsKey, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

Methods inherited from class java.util.AbstractMap

equals, hashCode

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.polkadot.types.Codec

eq, getConstructorCodec, isEmpty, toU8a

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, containsKey, equals, hashCode, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

Constructor Detail

Extrinsic

public Extrinsic(java.lang.Object value)

Method Detail

getArgs

public java.util.List<Codec> getArgs()

The arguments passed to for the call, exposes args so it is compatible with Method

Specified by:

getArgs in interface Types.IMethod

getArgsDef

public Types.ConstructorDef getArgsDef()

Thge argument defintions, compatible with Method

Specified by:

getArgsDef in interface Types.IMethod

getCallIndex

public byte[] getCallIndex()

The actual [sectionIndex, methodIndex] as used in the Method

Specified by:

getCallIndex in interface Types.IMethod

getData

public byte[] getData()

The actual data for the Method

Specified by:

getData in interface Types.IMethod

getEncodedLength

public int getEncodedLength()

The length of the value when encoded as a Uint8Array

Specified by:

getEncodedLength in interface Codec

Overrides:

getEncodedLength in class Struct

getHash

public U8a getHash()

Convernience function, encodes the extrinsic and returns the actual hash

Specified by:

getHash in interface Types.IExtrinsic

hasOrigin

public boolean hasOrigin()

true is method has Origin argument (compatibility with Method)

Specified by:

hasOrigin in interface Types.IMethod

isSigned

public boolean isSigned()

true id the extrinsic is signed

Specified by:

isSigned in interface Types.IExtrinsic

length

public int length()

The length of the encoded value

getMeta

public Modules.FunctionMetadata getMeta()

The FunctionMetadata that describes the extrinsic

Specified by:

getMeta in interface Types.IMethod

getMethod

public Method getMethod()

The Method this extrinsic wraps

Specified by:

getMethod in interface Types.IExtrinsic

getSignature

public ExtrinsicSignature getSignature()

The ExtrinsicSignature

Specified by:

getSignature in interface Types.IExtrinsic

addSignature

public Extrinsic addSignature(java.lang.Object signer,
                              byte[] signature,
                              java.lang.Object nonce,
                              byte[] era)

Add an ExtrinsicSignature to the extrinsic (already generated)

Specified by:

addSignature in interface Types.IExtrinsic

sign

public Extrinsic sign(Types.KeyringPair account,
                      Types.SignatureOptions options)

Sign the extrinsic with a specific keypair

Specified by:

sign in interface Types.IExtrinsic

toHex

public java.lang.String toHex()

Returns a hex string representation of the value

Specified by:

toHex in interface Codec

Overrides:

toHex in class Struct

toJson

public java.lang.Object toJson()

Converts the Object to JSON, typically used for RPC transfers

Specified by:

toJson in interface Codec

Overrides:

toJson in class Struct

toU8a

public byte[] toU8a(boolean isBare)

Description copied from class: Struct

Encodes the value as a Uint8Array as per the parity-codec specifications

Specified by:

toU8a in interface Codec

Overrides:

toU8a in class Struct

Parameters:

isBare - true when the value has none of the type-specific prefixes (internal) Encodes the value as a Uint8Array as per the parity-codec specifications