CompactBlockDownloading Protocol Reference
CompactBlockDownloading
public protocol CompactBlockDownloadingRepresents what a compact block downloaded should provide to its clients
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Downloads and stores the given block range. Non-Blocking
Declaration
Swift
func downloadBlockRange( _ heightRange: CompactBlockRange, completion: @escaping (Error?) -> Void ) -
Remove newer blocks and go back to the given height
Declaration
Swift
func rewind(to height: BlockHeight, completion: @escaping (Error?) -> Void)Parameters
heightthe given height to rewind to
completionblock to be executed after completing rewind
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returns the height of the latest compact block stored locally BlockHeight.empty() if no blocks are stored yet non-blocking
Declaration
Swift
func lastDownloadedBlockHeight(result: @escaping (Result<BlockHeight, Error>) -> Void) -
Returns the last height on the blockchain Non-blocking
Declaration
Swift
func latestBlockHeight(result: @escaping (Result<BlockHeight, Error>) -> Void) -
Downloads and stores the given block range. Blocking
Declaration
Swift
func downloadBlockRange(_ range: CompactBlockRange) throws -
Restore the download progress up to the given height.
Declaration
Swift
func rewind(to height: BlockHeight) throws -
Returns the height of the latest compact block stored locally. BlockHeight.empty() if no blocks are stored yet Blocking
Declaration
Swift
func lastDownloadedBlockHeight() throws -> BlockHeight -
Returns the latest block height Blocking
Declaration
Swift
func latestBlockHeight() throws -> BlockHeight -
Gets the transaction for the Id given
Throws
An error if the fetch failedDeclaration
Swift
func fetchTransaction(txId: Data) throws -> TransactionEntityParameters
txIdData representing the transaction Id
Return Value
a transaction entity with the requested transaction
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Gets the transaction for the Id given
Declaration
Swift
func fetchTransaction(txId: Data, result: @escaping (Result<TransactionEntity, Error>) -> Void)Parameters
txIdData representing the transaction Id
resulta handler for the result of the operation
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Undocumented
Declaration
Swift
func fetchUnspentTransactionOutputs(tAddress: String, startHeight: BlockHeight) throws -> [UnspentTransactionOutputEntity] -
Undocumented
Declaration
Swift
func fetchUnspentTransactionOutputs(tAddress: String, startHeight: BlockHeight, result: @escaping (Result<[UnspentTransactionOutputEntity], Error>) -> Void) -
Undocumented
Declaration
Swift
func fetchUnspentTransactionOutputs(tAddresses: [String], startHeight: BlockHeight) throws -> [UnspentTransactionOutputEntity] -
Undocumented
Declaration
Swift
func fetchUnspentTransactionOutputs(tAddresses: [String], startHeight: BlockHeight, result: @escaping (Result<[UnspentTransactionOutputEntity], Error>) -> Void) -
Undocumented
Declaration
Swift
func closeConnection()