types

package
v0.38.1 Latest Latest
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 Go to latest Published: Feb 11, 2020 License: Apache-2.0 Imports: 9 Imported by: 0

Documentation

Overview

noalias

noalias DONTCOVER

Index

Constants

View Source 
const (
	EventTypeSlash    = "slash"
	EventTypeLiveness = "liveness"

	AttributeKeyAddress      = "address"
	AttributeKeyHeight       = "height"
	AttributeKeyPower        = "power"
	AttributeKeyReason       = "reason"
	AttributeKeyJailed       = "jailed"
	AttributeKeyMissedBlocks = "missed_blocks"

	AttributeValueDoubleSign       = "double_sign"
	AttributeValueMissingSignature = "missing_signature"
	AttributeValueCategory         = ModuleName
)

Slashing module event types

View Source 
const (
	// ModuleName is the name of the module
	ModuleName = "slashing"

	// StoreKey is the store key string for slashing
	StoreKey = ModuleName

	// RouterKey is the message route for slashing
	RouterKey = ModuleName

	// QuerierRoute is the querier route for slashing
	QuerierRoute = ModuleName
)
View Source 
const (
	DefaultParamspace           = ModuleName
	DefaultSignedBlocksWindow   = int64(100)
	DefaultDowntimeJailDuration = 60 * 10 * time.Second
)

Default parameter namespace

View Source 
const (
	QueryParameters   = "parameters"
	QuerySigningInfo  = "signingInfo"
	QuerySigningInfos = "signingInfos"
)

Query endpoints supported by the slashing querier

Variables

View Source 
var (
	ErrNoValidatorForAddress        = sdkerrors.Register(ModuleName, 1, "address is not associated with any known validator")
	ErrBadValidatorAddr             = sdkerrors.Register(ModuleName, 2, "validator does not exist for that address")
	ErrValidatorJailed              = sdkerrors.Register(ModuleName, 3, "validator still jailed; cannot be unjailed")
	ErrValidatorNotJailed           = sdkerrors.Register(ModuleName, 4, "validator not jailed; cannot be unjailed")
	ErrMissingSelfDelegation        = sdkerrors.Register(ModuleName, 5, "validator has no self-delegation; cannot be unjailed")
	ErrSelfDelegationTooLowToUnjail = sdkerrors.Register(ModuleName, 6, "validator's self delegation less than minimum; cannot be unjailed")
	ErrNoSigningInfoFound           = sdkerrors.Register(ModuleName, 7, "no validator signing info found")
)

x/slashing module sentinel errors

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

Keys for slashing store Items are stored with the following key: values

- 0x01<consAddress_Bytes>: ValidatorSigningInfo

- 0x02<consAddress_Bytes><period_Bytes>: bool

- 0x03<accAddr_Bytes>: crypto.PubKey

View Source 
var (
	DefaultMinSignedPerWindow      = sdk.NewDecWithPrec(5, 1)
	DefaultSlashFractionDoubleSign = sdk.NewDec(1).Quo(sdk.NewDec(20))
	DefaultSlashFractionDowntime   = sdk.NewDec(1).Quo(sdk.NewDec(100))
)
View Source 
var (
	KeySignedBlocksWindow      = []byte("SignedBlocksWindow")
	KeyMinSignedPerWindow      = []byte("MinSignedPerWindow")
	KeyDowntimeJailDuration    = []byte("DowntimeJailDuration")
	KeySlashFractionDoubleSign = []byte("SlashFractionDoubleSign")
	KeySlashFractionDowntime   = []byte("SlashFractionDowntime")
)

Parameter store keys

View Source 
var ModuleCdc *codec.Codec

ModuleCdc defines the module codec

Functions

func GetAddrPubkeyRelationKey 

func GetAddrPubkeyRelationKey(address []byte) []byte

GetAddrPubkeyRelationKey gets pubkey relation key used to get the pubkey from the address

func GetValidatorMissedBlockBitArrayKey 

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

GetValidatorMissedBlockBitArrayKey - stored by *Consensus* address (not operator address)

func GetValidatorMissedBlockBitArrayPrefixKey 

func GetValidatorMissedBlockBitArrayPrefixKey(v sdk.ConsAddress) []byte

GetValidatorMissedBlockBitArrayPrefixKey - stored by *Consensus* address (not operator address)

func GetValidatorSigningInfoAddress 

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

GetValidatorSigningInfoAddress - extract the address from a validator signing info key

func GetValidatorSigningInfoKey 

func GetValidatorSigningInfoKey(v sdk.ConsAddress) []byte

GetValidatorSigningInfoKey - stored by *Consensus* address (not operator address)

func ParamKeyTable 

func ParamKeyTable() params.KeyTable

ParamKeyTable for slashing module

func RegisterCodec 

func RegisterCodec(cdc *codec.Codec)

RegisterCodec registers concrete types on codec

func ValidateGenesis 

func ValidateGenesis(data GenesisState) error

ValidateGenesis validates the slashing genesis parameters

Types

type AccountKeeper 

type AccountKeeper interface {
	GetAccount(ctx sdk.Context, addr sdk.AccAddress) authexported.Account
	IterateAccounts(ctx sdk.Context, process func(authexported.Account) (stop bool))
}

AccountKeeper expected account keeper

type GenesisState 

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

GenesisState - all slashing state that must be provided at genesis

func DefaultGenesisState 

func DefaultGenesisState() GenesisState

DefaultGenesisState - default GenesisState used by Cosmos Hub

func NewGenesisState 

func NewGenesisState(
	params Params, signingInfos map[string]ValidatorSigningInfo, missedBlocks map[string][]MissedBlock,
) GenesisState

NewGenesisState creates a new GenesisState object

type MissedBlock 

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

MissedBlock

func NewMissedBlock 

func NewMissedBlock(index int64, missed bool) MissedBlock

NewMissedBlock creates a new MissedBlock instance

type MsgUnjail 

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

MsgUnjail - struct for unjailing jailed validator

func NewMsgUnjail 

func NewMsgUnjail(validatorAddr sdk.ValAddress) MsgUnjail

NewMsgUnjail creates a new MsgUnjail instance

func (MsgUnjail) GetSignBytes 

func (msg MsgUnjail) GetSignBytes() []byte

GetSignBytes gets the bytes for the message signer to sign on

func (MsgUnjail) GetSigners 

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

func (MsgUnjail) Route 

func (msg MsgUnjail) Route() string

nolint

func (MsgUnjail) Type 

func (msg MsgUnjail) Type() string

func (MsgUnjail) ValidateBasic 

func (msg MsgUnjail) ValidateBasic() error

ValidateBasic validity check for the AnteHandler

type ParamSubspace 

type ParamSubspace interface {
	WithKeyTable(table params.KeyTable) params.Subspace
	Get(ctx sdk.Context, key []byte, ptr interface{})
	GetParamSet(ctx sdk.Context, ps params.ParamSet)
	SetParamSet(ctx sdk.Context, ps params.ParamSet)
}

ParamSubspace defines the expected Subspace interfacace

type Params 

type Params struct {
	SignedBlocksWindow      int64         `json:"signed_blocks_window" yaml:"signed_blocks_window"`
	MinSignedPerWindow      sdk.Dec       `json:"min_signed_per_window" yaml:"min_signed_per_window"`
	DowntimeJailDuration    time.Duration `json:"downtime_jail_duration" yaml:"downtime_jail_duration"`
	SlashFractionDoubleSign sdk.Dec       `json:"slash_fraction_double_sign" yaml:"slash_fraction_double_sign"`
	SlashFractionDowntime   sdk.Dec       `json:"slash_fraction_downtime" yaml:"slash_fraction_downtime"`
}

Params - used for initializing default parameter for slashing at genesis

func DefaultParams 

func DefaultParams() Params

DefaultParams defines the parameters for this module

func NewParams 

func NewParams(
	signedBlocksWindow int64, minSignedPerWindow sdk.Dec, downtimeJailDuration time.Duration,
	slashFractionDoubleSign, slashFractionDowntime sdk.Dec,
) Params

NewParams creates a new Params object

func (*Params) ParamSetPairs 

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

ParamSetPairs - Implements params.ParamSet

func (Params) String 

func (p Params) String() string

String implements the stringer interface for Params

type QuerySigningInfoParams 

type QuerySigningInfoParams struct {
	ConsAddress sdk.ConsAddress
}

QuerySigningInfoParams defines the params for the following queries: - 'custom/slashing/signingInfo'

func NewQuerySigningInfoParams 

func NewQuerySigningInfoParams(consAddr sdk.ConsAddress) QuerySigningInfoParams

NewQuerySigningInfoParams creates a new QuerySigningInfoParams instance

type QuerySigningInfosParams 

type QuerySigningInfosParams struct {
	Page, Limit int
}

QuerySigningInfosParams defines the params for the following queries: - 'custom/slashing/signingInfos'

func NewQuerySigningInfosParams 

func NewQuerySigningInfosParams(page, limit int) QuerySigningInfosParams

NewQuerySigningInfosParams creates a new QuerySigningInfosParams instance

type StakingHooks 

type StakingHooks interface {
	AfterValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress)                           // Must be called when a validator is created
	AfterValidatorRemoved(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) // Must be called when a validator is deleted

	AfterValidatorBonded(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) // Must be called when a validator is bonded
}

StakingHooks event hooks for staking validator object (noalias)

type StakingKeeper 

type StakingKeeper interface {
	// iterate through validators by operator address, execute func for each validator
	IterateValidators(sdk.Context,
		func(index int64, validator stakingexported.ValidatorI) (stop bool))

	Validator(sdk.Context, sdk.ValAddress) stakingexported.ValidatorI            // get a particular validator by operator address
	ValidatorByConsAddr(sdk.Context, sdk.ConsAddress) stakingexported.ValidatorI // get a particular validator by consensus address

	// slash the validator and delegators of the validator, specifying offence height, offence power, and slash fraction
	Slash(sdk.Context, sdk.ConsAddress, int64, int64, sdk.Dec)
	Jail(sdk.Context, sdk.ConsAddress)   // jail a validator
	Unjail(sdk.Context, sdk.ConsAddress) // unjail a validator

	// Delegation allows for getting a particular delegation for a given validator
	// and delegator outside the scope of the staking module.
	Delegation(sdk.Context, sdk.AccAddress, sdk.ValAddress) stakingexported.DelegationI

	// MaxValidators returns the maximum amount of bonded validators
	MaxValidators(sdk.Context) uint16
}

StakingKeeper expected staking keeper

type ValidatorSigningInfo 

type ValidatorSigningInfo struct {
	Address             sdk.ConsAddress `json:"address" yaml:"address"`                             // validator consensus address
	StartHeight         int64           `json:"start_height" yaml:"start_height"`                   // height at which validator was first a candidate OR was unjailed
	IndexOffset         int64           `json:"index_offset" yaml:"index_offset"`                   // index offset into signed block bit array
	JailedUntil         time.Time       `json:"jailed_until" yaml:"jailed_until"`                   // timestamp validator cannot be unjailed until
	Tombstoned          bool            `json:"tombstoned" yaml:"tombstoned"`                       // whether or not a validator has been tombstoned (killed out of validator set)
	MissedBlocksCounter int64           `json:"missed_blocks_counter" yaml:"missed_blocks_counter"` // missed blocks counter (to avoid scanning the array every time)
}

ValidatorSigningInfo defines the signing info for a validator

func NewValidatorSigningInfo 

func NewValidatorSigningInfo(
	condAddr sdk.ConsAddress, startHeight, indexOffset int64,
	jailedUntil time.Time, tombstoned bool, missedBlocksCounter int64,
) ValidatorSigningInfo

NewValidatorSigningInfo creates a new ValidatorSigningInfo instance

func (ValidatorSigningInfo) String 

func (i ValidatorSigningInfo) String() string

String implements the stringer interface for ValidatorSigningInfo

Source Files

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