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Merge pull request #8453 from filecoin-project/asr/backport

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fix: FVM: add finality check for consensus faults
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Aayush Rajasekaran 2022-04-07 13:16:47 -04:00 committed by GitHub
commit 68b6190c12
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1 changed files with 6 additions and 0 deletions
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6
chain/vm/fvm.go
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@ -5,6 +5,8 @@ import (
"context"
"time"
"github.com/filecoin-project/lotus/chain/actors/policy"
"github.com/filecoin-project/go-state-types/network"
"github.com/filecoin-project/go-state-types/big"
@ -168,6 +170,10 @@ func (x *FvmExtern) VerifyBlockSig(ctx context.Context, blk *types.BlockHeader)
}
func (x *FvmExtern) workerKeyAtLookback(ctx context.Context, minerId address.Address, height abi.ChainEpoch) (address.Address, int64, error) {
if height < x.epoch-policy.ChainFinality {
return address.Undef, 0, xerrors.Errorf("cannot get worker key (currEpoch %d, height %d)", x.epoch, height)
}
gasUsed := int64(0)
gasAdder := func(gc GasCharge) {
// technically not overflow safe, but that's fine