com.jelurida.ardor.contracts

Class DistributedRandomNumberGenerator

java.lang.Object

nxt.addons.AbstractContract<java.util.Map<java.lang.String,java.lang.Long>,java.lang.String>

com.jelurida.ardor.contracts.DistributedRandomNumberGenerator

All Implemented Interfaces:

Contract<java.util.Map<java.lang.String,java.lang.Long>,java.lang.String>

public class DistributedRandomNumberGenerator
extends AbstractContract<java.util.Map<java.lang.String,java.lang.Long>,java.lang.String>

The DistributedRandomNumberGenerator is a utility contract which given a list of accounts and their weight, selects randomly one the accounts. For example, if there are 3 account with weights 5,3,2 the chance of the first account being selected is 50% the 2nd 30% and the 3rd 20%.

Constructor Summary

Constructors

Constructor and Description
DistributedRandomNumberGenerator()

Method Summary

Modifier and Type	Method and Description
java.lang.String	processInvocation(DelegatedContext context, java.util.Map<java.lang.String,java.lang.Long> data) Process internal invocation by another contract

Methods inherited from class nxt.addons.AbstractContract

isDuplicate, processBlock, processRequest, processTransaction, 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 Detail

DistributedRandomNumberGenerator

public DistributedRandomNumberGenerator()

Method Detail

processInvocation

public java.lang.String processInvocation(DelegatedContext context,
                                          java.util.Map<java.lang.String,java.lang.Long> data)

Process internal invocation by another contract

Specified by:

processInvocation in interface Contract<java.util.Map<java.lang.String,java.lang.Long>,java.lang.String>

Overrides:

processInvocation in class AbstractContract<java.util.Map<java.lang.String,java.lang.Long>,java.lang.String>

Parameters:

context - the context of the invoking contract

data - a map of accounts and their weight

Returns:

the selected account id