class BlockchainIndex : BlockchainIndexWriter, BlockchainIndexReader (source)
A Lucene-backed indexer capable of indexing blocks and block headers.
<init> |
A Lucene-backed indexer capable of indexing blocks and block headers. BlockchainIndex(indexWriter: IndexWriter) |
chainHeadTotalDifficulty |
Retrieves the largest total difficulty value of the chain, if it has been computed. fun chainHeadTotalDifficulty(): UInt256 |
findBy |
Find exact matches for a field. fun findBy(field: BlockHeaderFields, value: Bytes): List<Hash>fun findBy(field: BlockHeaderFields, value: Long): List<Hash>fun findBy(field: BlockHeaderFields, value: Gas): List<Hash>fun findBy(field: BlockHeaderFields, value: UInt256): List<Hash>fun findBy(field: BlockHeaderFields, value: Address): List<Hash>fun findBy(field: BlockHeaderFields, value: Hash): List<Hash>fun findBy(field: TransactionReceiptFields, value: Bytes): List<Hash>fun findBy(field: TransactionReceiptFields, value: Int): List<Hash>fun findBy(field: TransactionReceiptFields, value: Long): List<Hash>fun findBy(field: TransactionReceiptFields, value: Gas): List<Hash>fun findBy(field: TransactionReceiptFields, value: UInt256): List<Hash>fun findBy(field: TransactionReceiptFields, value: Address): List<Hash>fun findBy(field: TransactionReceiptFields, value: Hash): List<Hash> |
findByBlockHashAndIndex |
Find a transaction request by block hash and index. fun findByBlockHashAndIndex(blockHash: Bytes, index: Int): Hash? |
findByHashOrNumber |
Finds hashes of blocks by hash or number. fun findByHashOrNumber(hashOrNumber: Bytes): List<Hash> |
findByLargest |
Find the hash of the block header with the largest value of a specific block header field fun findByLargest(field: BlockHeaderFields): Hash?fun findByLargest(field: TransactionReceiptFields): Hash? |
findInRange |
Find a value in a range. fun findInRange(field: BlockHeaderFields, minValue: UInt256, maxValue: UInt256): List<Hash>fun findInRange(field: TransactionReceiptFields, minValue: UInt256, maxValue: UInt256): List<Hash> |
findLargestTotalDifficulty |
Find the hash of the block header with the largest total difficulty. fun findLargestTotalDifficulty(): Hash? |
index |
Provides a function to index elements and committing them. If an exception is thrown in the function, the write is rolled back. fun index(indexer: (BlockchainIndexWriter) -> Unit): Unit |
indexBlockHeader |
Indexes a block header. fun indexBlockHeader(blockHeader: BlockHeader, indexTotalDifficulty: Boolean): Unit |
indexTotalDifficulty |
Indexes the total difficulty of a block header based on its position in the chain. fun indexTotalDifficulty(blockHeader: BlockHeader): Unit |
indexTransaction |
Indexes a transaction. fun indexTransaction(transaction: Transaction): Unit |
indexTransactionReceipt |
Indexes a transaction receipt. fun indexTransactionReceipt(txReceipt: TransactionReceipt, txIndex: Int, txHash: Bytes, blockHash: Bytes): Unit |
totalDifficulty |
Retrieves the total difficulty of the block header, if it has been computed. fun totalDifficulty(hash: Bytes): UInt256? |