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add helper to derive EC block count

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Dmitriy Ryajov 2023-12-22 17:16:50 -06:00
parent f15f3f5f27
commit b8a859d5a5
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1 changed files with 9 additions and 1 deletions
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tests/codex/helpers.nim
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@ -9,6 +9,7 @@ import pkg/codex/manifest
import pkg/codex/merkletree
import pkg/codex/blockexchange
import pkg/codex/rng
import pkg/codex/utils
import ./helpers/nodeutils
import ./helpers/randomchunker
@ -27,6 +28,13 @@ export libp2p except setup, eventually
func `==`*(a, b: Block): bool =
(a.cid == b.cid) and (a.data == b.data)
proc calcEcBlocksCount*(blocksCount: int, ecK, ecM: int): int =
let
rounded = roundUp(blocksCount, ecK)
steps = divUp(blocksCount, ecK)
rounded + (steps * ecM)
proc lenPrefix*(msg: openArray[byte]): seq[byte] =
## Write `msg` with a varint-encoded length prefix
##
@ -94,7 +102,7 @@ proc storeDataGetManifest*(store: BlockStore, chunker: Chunker): Future[Manifest
for i in 0..<tree.leavesCount:
let proof = tree.getProof(i).tryGet()
(await store.putBlockCidAndProof(treeCid, i, cids[i], proof)).tryGet()
(await store.putCidAndProof(treeCid, i, cids[i], proof)).tryGet()
return manifest