Merge pull request #4563 from filecoin-project/steb/post-lookback
Use older randomness for the PoSt commit on specs-actors version 2
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commit
2023615f55
@ -12,6 +12,7 @@ import (
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"github.com/filecoin-project/go-state-types/big"
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"github.com/filecoin-project/go-state-types/big"
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"github.com/filecoin-project/go-state-types/crypto"
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"github.com/filecoin-project/go-state-types/crypto"
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"github.com/filecoin-project/go-state-types/dline"
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"github.com/filecoin-project/go-state-types/dline"
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"github.com/filecoin-project/go-state-types/network"
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"github.com/ipfs/go-cid"
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"github.com/ipfs/go-cid"
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"go.opencensus.io/trace"
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"go.opencensus.io/trace"
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@ -151,7 +152,15 @@ func (s *WindowPoStScheduler) runSubmitPoST(
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defer span.End()
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defer span.End()
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// Get randomness from tickets
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// Get randomness from tickets
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// use the challenge epoch if we've upgraded to network version 4
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// (actors version 2). We want to go back as far as possible to be safe.
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commEpoch := deadline.Open
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commEpoch := deadline.Open
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if ver, err := s.api.StateNetworkVersion(ctx, types.EmptyTSK); err != nil {
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log.Errorw("failed to get network version to determine PoSt epoch randomness lookback", "error", err)
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} else if ver >= network.Version4 {
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commEpoch = deadline.Challenge
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}
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commRand, err := s.api.ChainGetRandomnessFromTickets(ctx, ts.Key(), crypto.DomainSeparationTag_PoStChainCommit, commEpoch, nil)
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commRand, err := s.api.ChainGetRandomnessFromTickets(ctx, ts.Key(), crypto.DomainSeparationTag_PoStChainCommit, commEpoch, nil)
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if err != nil {
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if err != nil {
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err = xerrors.Errorf("failed to get chain randomness from tickets for windowPost (ts=%d; deadline=%d): %w", ts.Height(), commEpoch, err)
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err = xerrors.Errorf("failed to get chain randomness from tickets for windowPost (ts=%d; deadline=%d): %w", ts.Height(), commEpoch, err)
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@ -23,6 +23,7 @@ import (
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tutils "github.com/filecoin-project/specs-actors/v2/support/testing"
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tutils "github.com/filecoin-project/specs-actors/v2/support/testing"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
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"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/journal"
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"github.com/filecoin-project/lotus/journal"
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@ -47,7 +48,7 @@ func (m *mockStorageMinerAPI) StateMinerInfo(ctx context.Context, a address.Addr
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}
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}
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func (m *mockStorageMinerAPI) StateNetworkVersion(ctx context.Context, key types.TipSetKey) (network.Version, error) {
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func (m *mockStorageMinerAPI) StateNetworkVersion(ctx context.Context, key types.TipSetKey) (network.Version, error) {
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panic("implement me")
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return build.NewestNetworkVersion, nil
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}
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}
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func (m *mockStorageMinerAPI) ChainGetRandomnessFromTickets(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error) {
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func (m *mockStorageMinerAPI) ChainGetRandomnessFromTickets(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error) {
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