com.scalar.dl.ledger.contract

Class Contract

java.lang.Object

com.scalar.dl.ledger.contract.Contract

Deprecated.

This class will be package-private and won't be available to users in release 5.0.0.

@Deprecated
public abstract class Contract
extends java.lang.Object

An invokable contract which users can create their contracts based on.

Constructor Summary

Constructors

Constructor and Description
Contract() Deprecated.

Method Summary

Modifier and Type	Method and Description
CertificateEntry.Key	getCertificateKey() Deprecated.
abstract javax.json.JsonObject	invoke(Ledger ledger, javax.json.JsonObject argument, java.util.Optional<javax.json.JsonObject> properties) Deprecated. Invokes the contract to Ledger with the specified argument and the pre-registered contract properties.
protected javax.json.JsonObject	invoke(java.lang.String contractId, Ledger ledger, javax.json.JsonObject argument) Deprecated. Invokes the specified contract to Ledger with the specified argument.
boolean	isRoot() Deprecated.

Methods inherited from class java.lang.Object

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

Constructor Detail

Contract

public Contract()

Deprecated.

Method Detail

isRoot

public boolean isRoot()

Deprecated.

getCertificateKey

@Nullable
public CertificateEntry.Key getCertificateKey()

Deprecated.

invoke

public abstract javax.json.JsonObject invoke(Ledger ledger,
                                             javax.json.JsonObject argument,
                                             java.util.Optional<javax.json.JsonObject> properties)

Deprecated.

Invokes the contract to Ledger with the specified argument and the pre-registered contract properties. An implementation of the Contract should throw ContractContextException if it faces application-level contextual error (such as lack of balance in payment application).

Parameters:

ledger - tamper-evident ledger

argument - json-formatted argument

properties - json-formatted pre-registered contract properties

Returns:

json-formatted result

invoke

protected final javax.json.JsonObject invoke(java.lang.String contractId,
                                             Ledger ledger,
                                             javax.json.JsonObject argument)

Deprecated.

Invokes the specified contract to Ledger with the specified argument.

Parameters:

contractId - another contract to invoke

ledger - tamper-evident ledger

argument - json-formatted result

Returns:

json-formatted result