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author | gary rong <garyrong0905@gmail.com> | 2017-12-22 20:37:50 +0800 |
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committer | Péter Szilágyi <peterke@gmail.com> | 2017-12-22 20:37:50 +0800 |
commit | 5f8888e11606296c9582496974c0f6b96a882146 (patch) | |
tree | ef8139ff20ae33eb5a236290d5107dd808e34340 /consensus/consensus.go | |
parent | 9dbb8ef4aadb8e40aef8b681cf86acd20789abdc (diff) | |
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accounts, consensus, core, eth: make chain maker consensus agnostic (#15497)
* accounts, consensus, core, eth: make chain maker consensus agnostic
* consensus, core: move CalcDifficulty to Engine interface
* consensus: add docs for calcDifficulty function
* consensus, core: minor comment fixups
Diffstat (limited to 'consensus/consensus.go')
-rw-r--r-- | consensus/consensus.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/consensus/consensus.go b/consensus/consensus.go index 865238cee..be5e661c1 100644 --- a/consensus/consensus.go +++ b/consensus/consensus.go @@ -23,6 +23,7 @@ import ( "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/params" "github.com/ethereum/go-ethereum/rpc" + "math/big" ) // ChainReader defines a small collection of methods needed to access the local @@ -88,6 +89,10 @@ type Engine interface { // seal place on top. Seal(chain ChainReader, block *types.Block, stop <-chan struct{}) (*types.Block, error) + // CalcDifficulty is the difficulty adjustment algorithm. It returns the difficulty + // that a new block should have. + CalcDifficulty(chain ChainReader, time uint64, parent *types.Header) *big.Int + // APIs returns the RPC APIs this consensus engine provides. APIs(chain ChainReader) []rpc.API } |