btcexport

type BlockEncoder interface {
	// BlockRecordHeader returns column headers for the blocks table.
	BlockRecordHeader() []string

	// TxRecordHeader returns column headers for the transactions table.
	TxRecordHeader() []string

	// TxInRecordHeader returns column headers for the transaction inputs table.
	TxInRecordHeader() []string

	// TxOutRecordHeader returns column headers for the transaction outputs
	// table.
	TxOutRecordHeader() []string

	// GenBlockRecord returns a row in the blocks table derived from the given
	// block.
	GenBlockRecord(block *btcutil.Block) ([]string, error)

	// GenTxRecord returns a row in the transactions table derived from the
	// given transaction.
	GenTxRecord(tx *btcutil.Tx, height uint) ([]string, error)

	// GetTxInRecord returns a row in the transaction inputs table derived from
	// the given input.
	GenTxInRecord(txHash *chainhash.Hash, index int, txIn *wire.TxIn, isCoinbase bool) ([]string, error)

	// GetTxOutRecord returns a row in the transaction outputs table derived from
	// the given output.
	GenTxOutRecord(txHash *chainhash.Hash, index int, txOut *wire.TxOut) ([]string, error)
}

type BlockExporter struct {
	// contains filtered or unexported fields
}

type Config struct {
	DB        database.DB
	Chain     *blockchain.BlockChain
	NetParams *chaincfg.Params

	// OpenWriter creates a new rotating writer to the output destination.
	OpenWriter WriterFactory

	// StartHeight is the block height to export from.
	StartHeight uint

	// EndHeight is the block height to export until. If this field is 0, it
	// will default to the height of the last confirmed block on current chain.
	EndHeight uint

	// ConfirmedDepth is the depth required for a block to be considered
	// confirmed. A confirmed block should never be reorganized out of the
	// chain. The confirmed depth is used to determine the ending height of the
	// export if no EndHeight is set explicitly.
	ConfirmedDepth uint

	// FileSizeLimit is the maximum size in bytes that an output file is allowed
	// to be. If the record data exceeds the file size limit, it will be split
	// across multiple files.
	FileSizeLimit int
}

type RotatingWriter struct {
	// contains filtered or unexported fields
}

type WriterFactory func(filename string, indexPtr *uint32) (*RotatingWriter, error)