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consensus: add Istanbul consensus engine interface

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mark.lin 2017-09-12 10:55:02 +08:00
parent fddd6635b5
commit 94ec62c544
1 changed files with 11 additions and 0 deletions
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11
consensus/consensus.go
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@ -120,3 +120,14 @@ type PoW interface {
// Hashrate returns the current mining hashrate of a PoW consensus engine.
Hashrate() float64
}
// Istanbul is a consensus engine to avoid byzantine failure
type Istanbul interface {
Engine
// Start starts the engine
Start(chain ChainReader, currentBlock func() *types.Block, hasBadBlock func(hash common.Hash) bool) error
// Stop stops the engine
Stop() error
}