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consensus/clique: hide no transaction error (#17614)

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gary rong 2018-09-19 17:06:55 +08:00 committed by Péter Szilágyi
parent 1f45ba9bb1
commit 0b477712a1
1 changed files with 2 additions and 6 deletions
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8
consensus/clique/clique.go
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@ -134,11 +134,6 @@ var (
// errRecentlySigned is returned if a header is signed by an authorized entity
// that already signed a header recently, thus is temporarily not allowed to.
errRecentlySigned = errors.New("recently signed")
// errWaitTransactions is returned if an empty block is attempted to be sealed
// on an instant chain (0 second period). It's important to refuse these as the
// block reward is zero, so an empty block just bloats the chain... fast.
errWaitTransactions = errors.New("waiting for transactions")
)
// SignerFn is a signer callback function to request a hash to be signed by a
@ -615,7 +610,8 @@ func (c *Clique) Seal(chain consensus.ChainReader, block *types.Block, results c
}
// For 0-period chains, refuse to seal empty blocks (no reward but would spin sealing)
if c.config.Period == 0 && len(block.Transactions()) == 0 {
return errWaitTransactions
log.Info("Sealing paused, waiting for transactions")
return nil
}
// Don't hold the signer fields for the entire sealing procedure
c.lock.RLock()