Package com.norswap.nanoeth.receipts

Class LogEntry

java.lang.Object

com.norswap.nanoeth.receipts.LogEntry

public final class LogEntry
extends Object

A log entry generated during contract execution.

Field Summary

Fields

Modifier and Type	Field	Description
byte[]	data	Arbitrary data attached to the entry.
Address	logger	Address that generated this log.
LogTopic[]	topics	Topics for this entry.

Constructor Summary

Constructors

Constructor	Description
LogEntry(Address logger, LogTopic[] topics, byte[] data)

Method Summary

Modifier and Type	Method	Description
void	addToBloomFilter(BloomFilter bloomFilter)	Adds the address and the topics for this entry into the given log filter.

Methods inherited from class java.lang.Object

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

Field Details

logger

public final Address logger

Address that generated this log.

topics

public final LogTopic[] topics

Topics for this entry.

data

public final byte[] data

Arbitrary data attached to the entry.

Constructor Details

LogEntry

public LogEntry(Address logger,
LogTopic[] topics,
byte[] data)

Method Details

addToBloomFilter

public void addToBloomFilter(BloomFilter bloomFilter)

Adds the address and the topics for this entry into the given log filter.

This implements the M(O) function from the yellowpaper excepted that the output of the function is immediately combined with the given bloom filter. This target bloom filter is most likely a combination of many individual log entry bloom filters, to be used as BlockHeader.logsBloom.