Merge pull request #11482 from filecoin-project/fix/lp-winning
fix: lotus-provider: Fix winning PoSt
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commit
2d75cc5f4e
@ -4,10 +4,8 @@ import (
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"bytes"
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"context"
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"crypto/rand"
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"database/sql"
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"encoding/binary"
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"encoding/json"
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"errors"
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"time"
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"github.com/ipfs/go-cid"
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@ -579,12 +577,13 @@ func (t *WinPostTask) mineBasic(ctx context.Context) {
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taskFn(func(id harmonytask.TaskID, tx *harmonydb.Tx) (shouldCommit bool, seriousError error) {
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// First we check if the mining base includes blocks we may have mined previously to avoid getting slashed
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// select mining_tasks where epoch==base_epoch if win=true to maybe get base block cid which has to be included in our tipset
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var baseBlockCid string
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err := tx.QueryRow(`SELECT mined_cid FROM mining_tasks WHERE epoch = $1 AND sp_id = $2 AND won = true`, baseEpoch, spID).Scan(&baseBlockCid)
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if err != nil && !errors.Is(err, sql.ErrNoRows) {
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var baseBlockCids []string
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err := tx.Select(&baseBlockCids, `SELECT mined_cid FROM mining_tasks WHERE epoch = $1 AND sp_id = $2 AND won = true`, baseEpoch, spID)
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if err != nil {
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return false, xerrors.Errorf("querying mining_tasks: %w", err)
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}
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if baseBlockCid != "" {
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if len(baseBlockCids) >= 1 {
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baseBlockCid := baseBlockCids[0]
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c, err := cid.Parse(baseBlockCid)
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if err != nil {
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return false, xerrors.Errorf("parsing mined_cid: %w", err)
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