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consensus/ubqhash: move diff algo changeover blocks to ChainConfig.Ubqhash

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This commit is contained in:
Luke Williams 2019-12-20 22:21:36 +01:00
parent 8b1cff54b9
commit 88b56df9eb
2 changed files with 18 additions and 8 deletions
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9
consensus/ubqhash/consensus.go
View file

@ -51,13 +51,11 @@ var (
nPowMaxAdjustDown = big.NewInt(16) // 16% adjustment down
nPowMaxAdjustUp = big.NewInt(8) // 8% adjustment up
diffChangeBlock = big.NewInt(4088)
nPowAveragingWindow88 = big.NewInt(88)
nPowMaxAdjustDown2 = big.NewInt(3) // 3% adjustment down
nPowMaxAdjustUp2 = big.NewInt(2) // 2% adjustment up
// Flux
fluxChangeBlock = big.NewInt(8000)
nPowMaxAdjustDownFlux = big.NewInt(5) // 0.5% adjustment down
nPowMaxAdjustUpFlux = big.NewInt(3) // 0.3% adjustment up
nPowDampFlux = big.NewInt(1) // 0.1%
@ -394,10 +392,13 @@ func CalcDifficulty(chain consensus.ChainReader, time uint64, parent *types.Head
parentNumber := parent.Number
parentDiff := parent.Difficulty
if parentNumber.Cmp(diffChangeBlock) < 0 {
config := chain.Config()
ubqhashConfig := config.Ubqhash
if parentNumber.Cmp(ubqhashConfig.DigishieldModBlock) < 0 {
return calcDifficultyOrig(chain, parentNumber, parentDiff, parent)
}
if parentNumber.Cmp(fluxChangeBlock) < 0 {
if parentNumber.Cmp(ubqhashConfig.FluxBlock) < 0 {
// (chain consensus.ChainReader, parentNumber, parentDiff *big.Int, parent *types.Header)
return calcDifficulty2(chain, parentNumber, parentDiff, parent)
} else {

17
params/config.go
View file

@ -42,7 +42,10 @@ var (
ByzantiumBlock: big.NewInt(math.MaxInt64),
ConstantinopleBlock: big.NewInt(math.MaxInt64),
PetersburgBlock: big.NewInt(math.MaxInt64),
Ubqhash: new(UbqhashConfig),
Ubqhash: &UbqhashConfig{
DigishieldModBlock: big.NewInt(4088),
FluxBlock: big.NewInt(8000),
},
}
// MainnetTrustedCheckpoint contains the light client trusted checkpoint for the main network.
@ -65,7 +68,10 @@ var (
ByzantiumBlock: big.NewInt(math.MaxInt64),
ConstantinopleBlock: big.NewInt(math.MaxInt64),
PetersburgBlock: big.NewInt(math.MaxInt64),
Ubqhash: new(UbqhashConfig),
Ubqhash: &UbqhashConfig{
DigishieldModBlock: big.NewInt(4088),
FluxBlock: big.NewInt(8000),
},
}
// TestnetTrustedCheckpoint contains the light client trusted checkpoint for the Ropsten test network.
@ -82,7 +88,7 @@ var (
//
// This configuration is intentionally not using keyed fields to force anyone
// adding flags to the config to also have to set these fields.
AllUbqhashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(UbqhashConfig), nil}
AllUbqhashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, &UbqhashConfig{DigishieldModBlock: big.NewInt(0), FluxBlock: big.NewInt(0)}, nil}
// AllCliqueProtocolChanges contains every protocol change (EIPs) introduced
// and accepted by the Ubiq core developers into the Clique consensus.
@ -135,7 +141,10 @@ type ChainConfig struct {
}
// UbqhashConfig is the consensus engine configs for proof-of-work based sealing.
type UbqhashConfig struct{}
type UbqhashConfig struct {
DigishieldModBlock *big.Int `json:"digishieldModBlock"` // Block to activate the DigiShield V3 mod
FluxBlock *big.Int `json:"fluxBlock"` // Block to activate the Flux difficulty algorithm (must be > DigiShieldModBlock)
}
// String implements the stringer interface, returning the consensus engine details.
func (c *UbqhashConfig) String() string {