Package com.jelurida.ardor.contracts

Class HelloWorld

java.lang.Object

nxt.addons.AbstractContract

com.jelurida.ardor.contracts.HelloWorld

All Implemented Interfaces:

Contract

public class HelloWorld
extends AbstractContract

Sample contract to demonstrate the basic operations. To trigger the contract, send a message transaction or transaction with an attached message. Set the recipient to the contract runner account, set the message text to {"contract":"HelloWorld"}, use prunable message. In response the contract will send a message transaction back to the sender account. Note the validation at the beginning, the code to create the new transaction, and the usage of Json objects.

Constructor Summary

Constructors

Constructor	Description
HelloWorld()

Method Summary

Modifier and Type	Method	Description
JO	processTransaction(TransactionContext context)	processTransaction is invoked in the following cases: 1.

Methods inherited from class nxt.addons.AbstractContract

isDuplicate, processBlock, processInvocation, processRequest, processVoucher

Methods inherited from class java.lang.Object

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

Methods inherited from interface nxt.addons.Contract

init, minProductVersion, shutdown

Constructor Details

HelloWorld

public HelloWorld()

Method Details

processTransaction

public JO processTransaction(TransactionContext context)

processTransaction is invoked in the following cases: 1. Simple (non-phased) transaction is accepted in a block 2. Phased transaction with by-hash voting model is accepted in a block. In this case the transaction submitted by the contract will be phased as well. 3. Phased transaction with any other model when it is approved and applied by the blockchain.

Specified by:

processTransaction in interface Contract

Overrides:

processTransaction in class AbstractContract

Parameters:

context - the transaction context