consensus

Aug 2, 2022

Changes in this version

+ const MinBaseTarget

+ var NXTPosCalculator = PosCalculator(&nxtPosCalculator{})

type PosCalculator

+ func NewFairPosCalculator(delayDelta uint64, tMin float64) PosCalculator

type Validator

+ func (cv *Validator) ValidateHeaderBeforeBlockApplying(newestHeader *proto.BlockHeader, height proto.Height) error

+ func (cv *Validator) ValidateHeadersBatch(headers []proto.BlockHeader, startHeight proto.Height) error

Jun 15, 2021

Changes in this version

+ type Validator struct

+ func NewValidator(state stateInfoProvider, tm types.Time) (*Validator, error)

+ func (cv *Validator) GenerateHitSource(height uint64, header proto.BlockHeader) ([]byte, error)

+ func (cv *Validator) RangeForGeneratingBalanceByHeight(height uint64) (uint64, uint64)

+ func (cv *Validator) ValidateHeaders(headers []proto.BlockHeader, startHeight uint64) error

Apr 23, 2020

Changes in this version

+ type FairPosCalculatorV1 struct

+ func (calc *FairPosCalculatorV1) CalculateBaseTarget(targetBlockDelaySeconds uint64, confirmedHeight uint64, confirmedTarget uint64, ...) (types.BaseTarget, error)

+ func (calc *FairPosCalculatorV1) CalculateDelay(hit *Hit, confirmedTarget types.BaseTarget, balance uint64) (uint64, error)

+ func (calc *FairPosCalculatorV1) HeightForHit(height uint64) uint64

+ type FairPosCalculatorV2 struct

+ func (calc *FairPosCalculatorV2) CalculateBaseTarget(targetBlockDelaySeconds uint64, confirmedHeight uint64, confirmedTarget uint64, ...) (types.BaseTarget, error)

+ func (calc *FairPosCalculatorV2) CalculateDelay(hit *Hit, confirmedTarget types.BaseTarget, balance uint64) (uint64, error)

+ func (calc *FairPosCalculatorV2) HeightForHit(height uint64) uint64

Apr 3, 2020

Changes in this version

type ConsensusValidator

+ func (cv *ConsensusValidator) RangeForGeneratingBalanceByHeight(height uint64) (uint64, uint64)

type FairPosCalculator

+ func (calc *FairPosCalculator) HeightForHit(height uint64) uint64

+ type GenerationSignatureProvider interface

+ GenerationSignature func(key [crypto.KeySize]byte, msg []byte) ([]byte, error)

+ HitSource func(key [crypto.KeySize]byte, msg []byte) ([]byte, error)

+ VerifyGenerationSignature func(pk crypto.PublicKey, msg, sig []byte) (bool, []byte, error)

+ type NXTGenerationSignatureProvider struct

+ func (p *NXTGenerationSignatureProvider) GenerationSignature(key [crypto.KeySize]byte, msg []byte) ([]byte, error)

+ func (p *NXTGenerationSignatureProvider) HitSource(key [crypto.KeySize]byte, msg []byte) ([]byte, error)

+ func (p *NXTGenerationSignatureProvider) VerifyGenerationSignature(pk crypto.PublicKey, msg, sig []byte) (bool, []byte, error)

type NxtPosCalculator

+ func (calc *NxtPosCalculator) HeightForHit(height uint64) uint64

+ type PosCalculator interface

+ CalculateBaseTarget func(targetBlockDelaySeconds uint64, prevHeight uint64, prevTarget uint64, ...) (uint64, error)

+ CalculateDelay func(hit *big.Int, parentTarget, balance uint64) (uint64, error)

+ HeightForHit func(height uint64) uint64

+ type VRFGenerationSignatureProvider struct

+ func (p *VRFGenerationSignatureProvider) GenerationSignature(key [crypto.KeySize]byte, msg []byte) ([]byte, error)

+ func (p *VRFGenerationSignatureProvider) HitSource(key [crypto.KeySize]byte, msg []byte) ([]byte, error)

+ func (p *VRFGenerationSignatureProvider) VerifyGenerationSignature(pk crypto.PublicKey, msg, sig []byte) (bool, []byte, error)

Nov 13, 2019

Changes in this version

+ func GeneratorSignature(signature crypto.Digest, pk crypto.PublicKey) (crypto.Digest, error)

+ type BaseTarget = uint64

+ type ConsensusValidator struct

+ func NewConsensusValidator(state stateInfoProvider) (*ConsensusValidator, error)

+ func (cv *ConsensusValidator) ValidateHeaders(headers []proto.BlockHeader, startHeight uint64) error

+ type FairPosCalculator struct

+ func (calc *FairPosCalculator) CalculateBaseTarget(targetBlockDelaySeconds uint64, confirmedHeight uint64, confirmedTarget uint64, ...) (BaseTarget, error)

+ func (calc *FairPosCalculator) CalculateDelay(hit *Hit, confirmedTarget BaseTarget, balance uint64) (uint64, error)

+ type Hit = big.Int

+ func GenHit(generatorSig []byte) (*Hit, error)

+ type NxtPosCalculator struct

+ func (calc *NxtPosCalculator) CalculateBaseTarget(targetBlockDelaySeconds uint64, prevHeight uint64, prevTarget uint64, ...) (BaseTarget, error)

+ func (calc *NxtPosCalculator) CalculateDelay(hit *Hit, parentTarget BaseTarget, balance uint64) (uint64, error)