net.corda.core.contracts

Class HashAttachmentConstraint

net.corda.core.contracts.HashAttachmentConstraint

All Implemented Interfaces:

AttachmentConstraint

public class HashAttachmentConstraint
implements AttachmentConstraint

An interface AttachmentConstraint that verifies by hash. The state protected by this constraint can only be used in a transaction created with that version of the jar. And a receiving node will only accept it if a cordapp with that hash has (is) been deployed on the node.

See Also:

interface AttachmentConstraint

Field Detail

Companion

public static net.corda.core.contracts.HashAttachmentConstraint.Companion Companion

Constructor Detail

HashAttachmentConstraint

public HashAttachmentConstraint(@NotNull
                                SecureHash attachmentId)

An interface AttachmentConstraint that verifies by hash. The state protected by this constraint can only be used in a transaction created with that version of the jar. And a receiving node will only accept it if a cordapp with that hash has (is) been deployed on the node.

See Also:

interface AttachmentConstraint

Method Detail

isSatisfiedBy

public boolean isSatisfiedBy(@NotNull
                             Attachment attachment)

Returns whether the given contract attachment can be used with the interface ContractState associated with this constraint object.

See Also:

interface ContractState

getAttachmentId

@NotNull
public SecureHash getAttachmentId()

component1

@NotNull
public SecureHash component1()

copy

@NotNull
public HashAttachmentConstraint copy(@NotNull
                                              SecureHash attachmentId)

An interface AttachmentConstraint that verifies by hash. The state protected by this constraint can only be used in a transaction created with that version of the jar. And a receiving node will only accept it if a cordapp with that hash has (is) been deployed on the node.

See Also:

interface AttachmentConstraint

toString

@NotNull
public java.lang.String toString()

An interface AttachmentConstraint that verifies by hash. The state protected by this constraint can only be used in a transaction created with that version of the jar. And a receiving node will only accept it if a cordapp with that hash has (is) been deployed on the node.

See Also:

interface AttachmentConstraint

hashCode

public int hashCode()

An interface AttachmentConstraint that verifies by hash. The state protected by this constraint can only be used in a transaction created with that version of the jar. And a receiving node will only accept it if a cordapp with that hash has (is) been deployed on the node.

See Also:

interface AttachmentConstraint

equals

public boolean equals(@Nullable
                      java.lang.Object p)

An interface AttachmentConstraint that verifies by hash. The state protected by this constraint can only be used in a transaction created with that version of the jar. And a receiving node will only accept it if a cordapp with that hash has (is) been deployed on the node.

See Also:

interface AttachmentConstraint