org.bitcoinj.core

Interface UTXOProvider

All Known Subinterfaces:

FullPrunedBlockStore

All Known Implementing Classes:

DatabaseFullPrunedBlockStore, H2FullPrunedBlockStore, LevelDBFullPrunedBlockStore, MemoryFullPrunedBlockStore, MySQLFullPrunedBlockStore, PostgresFullPrunedBlockStore

public interface UTXOProvider

A UTXOProvider encapsulates functionality for returning unspent transaction outputs, for use by the wallet or other code that crafts spends.

A FullPrunedBlockStore is an internal implementation within bitcoinj.

Method Summary

Modifier and Type	Method and Description
int	getChainHeadHeight() Get the height of the chain head.
java.util.List<UTXO>	getOpenTransactionOutputs(java.util.List<ECKey> keys) Get the list of UTXO's for given keys.
NetworkParameters	getParams() The NetworkParameters of this provider.

Method Detail

getOpenTransactionOutputs

java.util.List<UTXO> getOpenTransactionOutputs(java.util.List<ECKey> keys)
                                        throws UTXOProviderException

Get the list of UTXO's for given keys.

Parameters:

keys - List of keys.

Returns:

The list of transaction outputs.

Throws:

UTXOProviderException - If there is an error.

getChainHeadHeight

int getChainHeadHeight()
                throws UTXOProviderException

Get the height of the chain head.

Returns:

The chain head height.

Throws:

UTXOProviderException - If there is an error.

getParams

NetworkParameters getParams()

The NetworkParameters of this provider.

Returns:

The network parameters.