nim-codex/dagger/blockstream/chunkedblockstream.nim

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770 B
Nim

## Nim-Dagger
## Copyright (c) 2021 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
{.push raises: [Defect].}
import pkg/questionable
import pkg/questionable/results
import ./blockstream
import ../chunker
type
ChunkedBlockStreamRef* = ref object of BlockStreamRef
chunker*: Chunker
method nextBlock*(c: ChunkedBlockStreamRef): ?!Block =
let data: seq[byte] = c.chunker.getBytes()
if data.len > 0:
return Block.new(data)
func new*(T: type ChunkedBlockStreamRef, chunker: Chunker): T =
T(chunker: chunker)