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allow exporting a number of recent chain state trees

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This commit is contained in:
whyrusleeping
2020-09-02 17:15:10 +02:00
committed by Łukasz Magiera
parent edc2a28f1d
commit 09ebd1a557
6 changed files with 28 additions and 14 deletions
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node/impl/full/chain.go
+2 -2
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@@ -494,7 +494,7 @@ func (a *ChainAPI) ChainGetMessage(ctx context.Context, mc cid.Cid) (*types.Mess
return cm.VMMessage(), nil
}
func (a *ChainAPI) ChainExport(ctx context.Context, tsk types.TipSetKey) (<-chan []byte, error) {
func (a *ChainAPI) ChainExport(ctx context.Context, nroots abi.ChainEpoch, tsk types.TipSetKey) (<-chan []byte, error) {
ts, err := a.Chain.GetTipSetFromKey(tsk)
if err != nil {
return nil, xerrors.Errorf("loading tipset %s: %w", tsk, err)
@@ -503,7 +503,7 @@ func (a *ChainAPI) ChainExport(ctx context.Context, tsk types.TipSetKey) (<-chan
out := make(chan []byte)
go func() {
defer w.Close() //nolint:errcheck // it is a pipe
if err := a.Chain.Export(ctx, ts, w); err != nil {
if err := a.Chain.Export(ctx, ts, nroots, w); err != nil {
log.Errorf("chain export call failed: %s", err)
return
}