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Merge pull request #2426 from filecoin-project/feat/block-gas-limit

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Add block gas limit verification
This commit is contained in:
Łukasz Magiera 2020-07-16 11:30:25 +02:00 committed by GitHub
commit 02176ec5f8
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1 changed files with 10 additions and 1 deletions
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11
chain/sync.go
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@ -950,15 +950,24 @@ func (syncer *Syncer) checkBlockMessages(ctx context.Context, b *types.FullBlock
return xerrors.Errorf("failed to load base state tree: %w", err) return xerrors.Errorf("failed to load base state tree: %w", err)
} }
pl := vm.PricelistByEpoch(baseTs.Height())
var sumGasLimit int64
checkMsg := func(msg types.ChainMsg) error { checkMsg := func(msg types.ChainMsg) error {
m := msg.VMMessage() m := msg.VMMessage()
// Phase 1: syntactic validation, as defined in the spec // Phase 1: syntactic validation, as defined in the spec
minGas := vm.PricelistByEpoch(baseTs.Height()).OnChainMessage(msg.ChainLength()) minGas := pl.OnChainMessage(msg.ChainLength())
if err := m.ValidForBlockInclusion(minGas.Total()); err != nil { if err := m.ValidForBlockInclusion(minGas.Total()); err != nil {
return err return err
} }
// ValidForBlockInclusion checks if any single message does not exceed BlockGasLimit
// So below is overflow safe
sumGasLimit += m.GasLimit
if sumGasLimit > build.BlockGasLimit {
return xerrors.Errorf("block gas limit exceeded")
}
// Phase 2: (Partial) semantic validation: // Phase 2: (Partial) semantic validation:
// the sender exists and is an account actor, and the nonces make sense // the sender exists and is an account actor, and the nonces make sense
if _, ok := nonces[m.From]; !ok { if _, ok := nonces[m.From]; !ok {