slashing

package
v0.27.0 Latest Latest
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 Go to latest Published: Nov 29, 2018 License: Apache-2.0 Imports: 21 Imported by: 6

Documentation

Overview

nolint

Index

Constants

View Source 
const (
	DefaultParamspace = "slashing"
)

Default parameter namespace

View Source 
const MsgRoute = "slashing"

name to identify transaction types

Variables

View Source 
var (
	ValidatorSigningInfoKey         = []byte{0x01} // Prefix for signing info
	ValidatorMissedBlockBitArrayKey = []byte{0x02} // Prefix for missed block bit array
	ValidatorSlashingPeriodKey      = []byte{0x03} // Prefix for slashing period
	AddrPubkeyRelationKey           = []byte{0x04} // Prefix for address-pubkey relation
)

key prefix bytes

View Source 
var (
	KeyMaxEvidenceAge           = []byte("MaxEvidenceAge")
	KeySignedBlocksWindow       = []byte("SignedBlocksWindow")
	KeyMinSignedPerWindow       = []byte("MinSignedPerWindow")
	KeyDoubleSignUnbondDuration = []byte("DoubleSignUnbondDuration")
	KeyDowntimeUnbondDuration   = []byte("DowntimeUnbondDuration")
	KeySlashFractionDoubleSign  = []byte("SlashFractionDoubleSign")
	KeySlashFractionDowntime    = []byte("SlashFractionDowntime")
)

Parameter store key

Functions

func BeginBlocker 

func BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock, sk Keeper) (tags sdk.Tags)

slashing begin block functionality

func ErrBadValidatorAddr 

func ErrBadValidatorAddr(codespace sdk.CodespaceType) sdk.Error

func ErrMissingSelfDelegation 

func ErrMissingSelfDelegation(codespace sdk.CodespaceType) sdk.Error

func ErrNoValidatorForAddress 

func ErrNoValidatorForAddress(codespace sdk.CodespaceType) sdk.Error

func ErrValidatorJailed 

func ErrValidatorJailed(codespace sdk.CodespaceType) sdk.Error

func ErrValidatorNotJailed 

func ErrValidatorNotJailed(codespace sdk.CodespaceType) sdk.Error

func GetValidatorMissedBlockBitArrayKey 

func GetValidatorMissedBlockBitArrayKey(v sdk.ConsAddress, i int64) []byte

stored by *Tendermint* address (not operator address)

func GetValidatorMissedBlockBitArrayPrefixKey 

func GetValidatorMissedBlockBitArrayPrefixKey(v sdk.ConsAddress) []byte

stored by *Tendermint* address (not operator address)

func GetValidatorSigningInfoAddress 

func GetValidatorSigningInfoAddress(key []byte) (v sdk.ConsAddress)

extract the address from a validator signing info key

func GetValidatorSigningInfoKey 

func GetValidatorSigningInfoKey(v sdk.ConsAddress) []byte

stored by *Tendermint* address (not operator address)

func GetValidatorSlashingPeriodKey added in v0.25.0 

func GetValidatorSlashingPeriodKey(v sdk.ConsAddress, startHeight int64) []byte

stored by *Tendermint* address (not operator address) followed by start height

func GetValidatorSlashingPeriodPrefix added in v0.25.0 

func GetValidatorSlashingPeriodPrefix(v sdk.ConsAddress) []byte

stored by *Tendermint* address (not operator address)

func InitGenesis 

func InitGenesis(ctx sdk.Context, keeper Keeper, data GenesisState, sdata types.GenesisState)

InitGenesis initialize default parameters and the keeper's address to pubkey map

func NewHandler 

func NewHandler(k Keeper) sdk.Handler

func NewTestMsgCreateValidator added in v0.25.0 

func NewTestMsgCreateValidator(address sdk.ValAddress, pubKey crypto.PubKey, amt sdk.Int) stake.MsgCreateValidator

func ParamTypeTable added in v0.25.0 

func ParamTypeTable() params.TypeTable

ParamTypeTable for slashing module

func RegisterCodec 

func RegisterCodec(cdc *codec.Codec)

Register concrete types on codec codec

Types

type CodeType added in v0.18.0 

type CodeType = sdk.CodeType

Local code type 

const (
	// Default slashing codespace
	DefaultCodespace sdk.CodespaceType = "SLASH"

	CodeInvalidValidator      CodeType = 101
	CodeValidatorJailed       CodeType = 102
	CodeValidatorNotJailed    CodeType = 103
	CodeMissingSelfDelegation CodeType = 104
)

type GenesisState 

type GenesisState struct {
	Params          Params                          `json:"params"`
	SigningInfos    map[string]ValidatorSigningInfo `json:"signing_infos"`
	MissedBlocks    map[string][]MissedBlock        `json:"missed_blocks"`
	SlashingPeriods []ValidatorSlashingPeriod       `json:"slashing_periods"`
}

GenesisState - all slashing state that must be provided at genesis

func DefaultGenesisState 

func DefaultGenesisState() GenesisState

HubDefaultGenesisState - default GenesisState used by Cosmos Hub

func ExportGenesis 

func ExportGenesis(ctx sdk.Context, keeper Keeper) (data GenesisState)

ExportGenesis writes the current store values to a genesis file, which can be imported again with InitGenesis

type Hooks 

type Hooks struct {
	// contains filtered or unexported fields
}

Wrapper struct

func (Hooks) OnDelegationCreated added in v0.25.0 

func (h Hooks) OnDelegationCreated(_ sdk.Context, _ sdk.AccAddress, _ sdk.ValAddress)

func (Hooks) OnDelegationRemoved added in v0.25.0 

func (h Hooks) OnDelegationRemoved(_ sdk.Context, _ sdk.AccAddress, _ sdk.ValAddress)

func (Hooks) OnDelegationSharesModified added in v0.25.0 

func (h Hooks) OnDelegationSharesModified(_ sdk.Context, _ sdk.AccAddress, _ sdk.ValAddress)

func (Hooks) OnValidatorBeginUnbonding added in v0.25.0 

func (h Hooks) OnValidatorBeginUnbonding(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress)

Implements sdk.ValidatorHooks

func (Hooks) OnValidatorBonded added in v0.25.0 

func (h Hooks) OnValidatorBonded(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress)

Implements sdk.ValidatorHooks

func (Hooks) OnValidatorCreated added in v0.25.0 

func (h Hooks) OnValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress)

Implements sdk.ValidatorHooks

func (Hooks) OnValidatorModified added in v0.25.0 

func (h Hooks) OnValidatorModified(_ sdk.Context, _ sdk.ValAddress)

func (Hooks) OnValidatorPowerDidChange added in v0.25.0 

func (h Hooks) OnValidatorPowerDidChange(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress)

nolint - unused hooks

func (Hooks) OnValidatorRemoved added in v0.25.0 

func (h Hooks) OnValidatorRemoved(ctx sdk.Context, consAddr sdk.ConsAddress, _ sdk.ValAddress)

Implements sdk.ValidatorHooks

type Keeper 

type Keeper struct {
	// contains filtered or unexported fields
}

Keeper of the slashing store

func NewKeeper 

func NewKeeper(cdc *codec.Codec, key sdk.StoreKey, vs sdk.ValidatorSet, paramspace params.Subspace, codespace sdk.CodespaceType) Keeper

NewKeeper creates a slashing keeper

func (Keeper) DeleteValidatorSlashingPeriods added in v0.27.0 

func (k Keeper) DeleteValidatorSlashingPeriods(ctx sdk.Context)

Delete all slashing periods in the store.

func (Keeper) DoubleSignUnbondDuration added in v0.24.0 

func (k Keeper) DoubleSignUnbondDuration(ctx sdk.Context) (res time.Duration)

Double-sign unbond duration

func (Keeper) DowntimeUnbondDuration added in v0.24.0 

func (k Keeper) DowntimeUnbondDuration(ctx sdk.Context) (res time.Duration)

Downtime unbond duration

func (Keeper) Hooks added in v0.25.0 

func (k Keeper) Hooks() Hooks

Return the wrapper struct

func (Keeper) IterateValidatorMissedBlockBitArray added in v0.27.0 

func (k Keeper) IterateValidatorMissedBlockBitArray(ctx sdk.Context, address sdk.ConsAddress, handler func(index int64, missed bool) (stop bool))

Stored by *validator* address (not operator address)

func (Keeper) IterateValidatorSigningInfos added in v0.27.0 

func (k Keeper) IterateValidatorSigningInfos(ctx sdk.Context, handler func(address sdk.ConsAddress, info ValidatorSigningInfo) (stop bool))

Stored by *validator* address (not operator address)

func (Keeper) IterateValidatorSlashingPeriods added in v0.27.0 

func (k Keeper) IterateValidatorSlashingPeriods(ctx sdk.Context, handler func(slashingPeriod ValidatorSlashingPeriod) (stop bool))

Iterate over all slashing periods in the store, calling on each decode slashing period a provided handler function Stop if the provided handler function returns true

func (Keeper) MaxEvidenceAge added in v0.24.0 

func (k Keeper) MaxEvidenceAge(ctx sdk.Context) (res time.Duration)

MaxEvidenceAge - Max age for evidence - 21 days (3 weeks) MaxEvidenceAge = 60 * 60 * 24 * 7 * 3

func (Keeper) MinSignedPerWindow added in v0.24.0 

func (k Keeper) MinSignedPerWindow(ctx sdk.Context) int64

Downtime slashing thershold - default 50% of the SignedBlocksWindow

func (Keeper) SetValidatorSigningInfo added in v0.27.0 

func (k Keeper) SetValidatorSigningInfo(ctx sdk.Context, address sdk.ConsAddress, info ValidatorSigningInfo)

Stored by *validator* address (not operator address)

func (Keeper) SignedBlocksWindow added in v0.24.0 

func (k Keeper) SignedBlocksWindow(ctx sdk.Context) (res int64)

SignedBlocksWindow - sliding window for downtime slashing

func (Keeper) SlashFractionDoubleSign added in v0.24.0 

func (k Keeper) SlashFractionDoubleSign(ctx sdk.Context) (res sdk.Dec)

SlashFractionDoubleSign - currently default 5%

func (Keeper) SlashFractionDowntime added in v0.24.0 

func (k Keeper) SlashFractionDowntime(ctx sdk.Context) (res sdk.Dec)

SlashFractionDowntime - currently default 1%

type MissedBlock 

type MissedBlock struct {
	Index  int64 `json:"index"`
	Missed bool  `json:"missed"`
}

MissedBlock

type MsgUnjail 

type MsgUnjail struct {
	ValidatorAddr sdk.ValAddress `json:"address"` // address of the validator operator
}

MsgUnjail - struct for unjailing jailed validator

func NewMsgUnjail 

func NewMsgUnjail(validatorAddr sdk.ValAddress) MsgUnjail

func (MsgUnjail) GetSignBytes added in v0.25.0 

func (msg MsgUnjail) GetSignBytes() []byte

get the bytes for the message signer to sign on

func (MsgUnjail) GetSigners added in v0.25.0 

func (msg MsgUnjail) GetSigners() []sdk.AccAddress

func (MsgUnjail) Route added in v0.25.0 

func (msg MsgUnjail) Route() string

nolint

func (MsgUnjail) Type added in v0.25.0 

func (msg MsgUnjail) Type() string

func (MsgUnjail) ValidateBasic added in v0.25.0 

func (msg MsgUnjail) ValidateBasic() sdk.Error

quick validity check

type Params 

type Params struct {
	MaxEvidenceAge           time.Duration `json:"max-evidence-age"`
	SignedBlocksWindow       int64         `json:"signed-blocks-window"`
	MinSignedPerWindow       sdk.Dec       `json:"min-signed-per-window"`
	DoubleSignUnbondDuration time.Duration `json:"double-sign-unbond-duration"`
	DowntimeUnbondDuration   time.Duration `json:"downtime-unbond-duration"`
	SlashFractionDoubleSign  sdk.Dec       `json:"slash-fraction-double-sign"`
	SlashFractionDowntime    sdk.Dec       `json:"slash-fraction-downtime"`
}

Params - used for initializing default parameter for slashing at genesis

func DefaultParams 

func DefaultParams() Params

Default parameters used by Cosmos Hub

func (*Params) KeyValuePairs added in v0.25.0 

func (p *Params) KeyValuePairs() params.KeyValuePairs

Implements params.ParamStruct

type ValidatorSigningInfo 

type ValidatorSigningInfo struct {
	StartHeight         int64     `json:"start_height"`          // height at which validator was first a candidate OR was unjailed
	IndexOffset         int64     `json:"index_offset"`          // index offset into signed block bit array
	JailedUntil         time.Time `json:"jailed_until"`          // timestamp validator cannot be unjailed until
	MissedBlocksCounter int64     `json:"missed_blocks_counter"` // missed blocks counter (to avoid scanning the array every time)
}

Signing info for a validator

func NewValidatorSigningInfo 

func NewValidatorSigningInfo(startHeight int64, indexOffset int64, jailedUntil time.Time, missedBlocksCounter int64) ValidatorSigningInfo

Construct a new `ValidatorSigningInfo` struct

func (ValidatorSigningInfo) HumanReadableString added in v0.18.0 

func (i ValidatorSigningInfo) HumanReadableString() string

Return human readable signing info

type ValidatorSlashingPeriod added in v0.25.0 

type ValidatorSlashingPeriod struct {
	ValidatorAddr sdk.ConsAddress `json:"validator_addr"` // validator which this slashing period is for
	StartHeight   int64           `json:"start_height"`   // starting height of the slashing period
	EndHeight     int64           `json:"end_height"`     // ending height of the slashing period, or sentinel value of 0 for in-progress
	SlashedSoFar  sdk.Dec         `json:"slashed_so_far"` // fraction of validator stake slashed so far in this slashing period
}

Slashing period for a validator

func NewValidatorSlashingPeriod added in v0.25.0 

func NewValidatorSlashingPeriod(startHeight int64, endHeight int64, slashedSoFar sdk.Dec) ValidatorSlashingPeriod

Construct a new `ValidatorSlashingPeriod` struct

func (ValidatorSlashingPeriod) HumanReadableString added in v0.25.0 

func (p ValidatorSlashingPeriod) HumanReadableString() string

Return human readable slashing period

type ValidatorSlashingPeriodValue added in v0.25.0 

type ValidatorSlashingPeriodValue struct {
	EndHeight    int64   `json:"end_height"`
	SlashedSoFar sdk.Dec `json:"slashed_so_far"`
}

Value part of slashing period (validator address & start height are stored in the key)

Source Files

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Directories

Path Synopsis
cli
rest

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