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fix potential underflow

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This commit is contained in:
vyzo 2021-07-26 18:36:01 +03:00
parent 18caefc4a1
commit c52c2738ab
1 changed files with 5 additions and 1 deletions
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6
blockstore/splitstore/splitstore_warmup.go
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@ -9,6 +9,7 @@ import (
blocks "github.com/ipfs/go-block-format"
cid "github.com/ipfs/go-cid"
"github.com/filecoin-project/go-state-types/abi"
bstore "github.com/filecoin-project/lotus/blockstore"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/types"
@ -49,8 +50,11 @@ func (s *SplitStore) warmup(curTs *types.TipSet) error {
// and headers all the way up to genesis.
// objects are written in batches so as to minimize overhead.
func (s *SplitStore) doWarmup(curTs *types.TipSet) error {
var boundaryEpoch abi.ChainEpoch
epoch := curTs.Height()
boundaryEpoch := epoch - WarmupBoundary
if WarmupBoundary < epoch {
boundaryEpoch = epoch - WarmupBoundary
}
batchHot := make([]blocks.Block, 0, batchSize)
count := int64(0)
xcount := int64(0)