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blocksync: retry GetBlocks with many peers

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Łukasz Magiera 2019-07-26 18:31:07 +02:00 committed by whyrusleeping
parent 2f5cdf1d15
commit e27d435848
1 changed files with 13 additions and 2 deletions
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15
chain/blocksync.go
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@ -10,6 +10,7 @@ import (
bserv "github.com/ipfs/go-blockservice"
"github.com/libp2p/go-libp2p-core/host"
"github.com/libp2p/go-libp2p-core/protocol"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-lotus/chain/store"
"github.com/filecoin-project/go-lotus/chain/types"
@ -220,9 +221,19 @@ func (bs *BlockSync) GetBlocks(ctx context.Context, tipset []cid.Cid, count int)
Options: BSOptBlocks,
}
res, err := bs.sendRequestToPeer(ctx, peers[perm[0]], req)
var err error
var res *BlockSyncResponse
for _, p := range perm {
res, err = bs.sendRequestToPeer(ctx, peers[p], req)
if err == nil {
break
}
log.Warnf("BlockSync request failed for peer %s: %s", peers[p].String(), err)
//TODO: also do the status check here
}
if err != nil {
return nil, err
return nil, xerrors.Errorf("GetBlocks failed with all peers: %w", err)
}
switch res.Status {