Calculates and returns the signature bitmap for the specified interval. Similar to the parentSealBitmap of every block (where you have which validators were able to sign the previous block), this bitmap shows for that specific interval which validators signed at least one block

param First and last block of the interval.

returns (string) The signature uptime bitmap for the specified interval.

dev startBlock and endBlock must be in the same epoch.

dev The getParentSealBitmap precompile requires that startBlock must be within 4 epochs of the current block.

Type declaration:

▸ (...args: InputArgs): Promise‹Output›

Parameters:

Name	Type
`...args`	InputArgs

isBitmapSetForInterval

• isBitmapSetForInterval: function = proxyCall(this.contract.methods.isBitmapSetForInterval, unpackInterval)

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:122

Shows if the user already called the setBitmapForInterval for the specific interval.

param First and last block of the interval.

returns True if the user already called the setBitmapForInterval for the specific interval.

Type declaration:

▸ (...args: InputArgs): Promise‹Output›

Parameters:

Name	Type
`...args`	InputArgs

lastSlashedBlock

• lastSlashedBlock: function = proxyCall(this.contract.methods.lastSlashedBlock, undefined, valueToInt)

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:136

Type declaration:

▸ (...args: InputArgs): Promise‹Output›

Parameters:

Name	Type
`...args`	InputArgs

methodIds

• methodIds: Record‹keyof T["methods"], string› = Object.keys(this.contract.methods).reduce, string>>( (acc, method: Methods) => { const methodABI = this.contract.options.jsonInterface.find((item) => item.name === method)

  acc[method] =
    methodABI === undefined
      ? '0x'
      : this.kit.connection.getAbiCoder().encodeFunctionSignature(methodABI)

  return acc
},
{} as any

)

Inherited from BaseWrapper.methodIds

Defined in packages/sdk/contractkit/src/wrappers/BaseWrapper.ts:66

setBitmapForInterval

• setBitmapForInterval: function = proxySend( this.kit, this.contract.methods.setBitmapForInterval, unpackInterval )

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:85

Calculates and sets the signature bitmap for the specified interval.

param First and last block of the interval.

dev interval.start and interval.end must be in the same epoch.

returns The signature bitmap for the specified interval.

Type declaration:

▸ (...args: InputArgs): CeloTransactionObject‹Output›

Parameters:

Name	Type
`...args`	InputArgs

slashableDowntime

• slashableDowntime: function = proxyCall(this.contract.methods.slashableDowntime, undefined, valueToInt)

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:37

Returns slashable downtime in blocks.

returns The number of consecutive blocks before a Validator missing from IBFT consensus can be slashed.

Type declaration:

▸ (...args: InputArgs): Promise‹Output›

Parameters:

Name	Type
`...args`	InputArgs

slashingIncentives

• slashingIncentives: function = proxyCall( this.contract.methods.slashingIncentives, undefined, (res) => ({ reward: valueToBigNumber(res.reward), penalty: valueToBigNumber(res.penalty), }) )

Inherited from BaseSlasher.slashingIncentives

Defined in packages/sdk/contractkit/src/wrappers/BaseSlasher.ts:69

Returns slashing incentives.

returns Rewards and penalties for slashing.

Type declaration:

▸ (...args: InputArgs): Promise‹Output›

Parameters:

Name	Type
`...args`	InputArgs

Accessors

address

• get address(): string

Inherited from BaseWrapper.address

Defined in packages/sdk/contractkit/src/wrappers/BaseWrapper.ts:35

Contract address

Returns: string

Methods

getConfig

▸ getConfig(): Promise‹DowntimeSlasherConfig›

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:42

Returns current configuration parameters.

Returns: Promise‹DowntimeSlasherConfig›

getHumanReadableConfig

▸ getHumanReadableConfig(): Promise‹object›

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:54

dev Returns human readable configuration of the downtime slasher contract

Returns: Promise‹object›

DowntimeSlasherConfig object

getPastEvents

▸ getPastEvents(event: Events‹DowntimeSlasher›, options: PastEventOptions): Promise‹EventLog[]›

Inherited from BaseWrapper.getPastEvents

Defined in packages/sdk/contractkit/src/wrappers/BaseWrapper.ts:55

Contract getPastEvents

Parameters:

Name	Type
`event`	Events‹DowntimeSlasher›
`options`	PastEventOptions

Returns: Promise‹EventLog[]›

isBitmapSetForIntervals

▸ isBitmapSetForIntervals(intervals: Interval[]): Promise‹boolean›

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:129

Shows if the user already called the setBitmapForInterval for intervals.

Parameters:

Name	Type	Description
`intervals`	Interval[]	First and last block of the interval.

Returns: Promise‹boolean›

True if the user already called the setBitmapForInterval for intervals.

slashValidator

▸ slashValidator(address: Address, intervals: Interval[]): Promise‹CeloTransactionObject‹void››

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:170

Returns true if the validator did not sign any blocks for the specified overlapping or adjacent intervals.

Parameters:

Name	Type	Description
`address`	Address	Address of the validator account or signer.
`intervals`	Interval[]	A list of ordered intervals for which signature bitmaps have already been set.

Returns: Promise‹CeloTransactionObject‹void››

slashableDowntimeIntervalsBefore

▸ slashableDowntimeIntervalsBefore(block?: undefined | number, maximumLength: number): Promise‹Interval[]›

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:98

Calculates intervals which span slashableDowntime before provided block.

dev if block is undefined, latest will be used

Parameters:

Name	Type	Default	Description
`block?`	undefined \| number	-	Block number to build intervals before.
`maximumLength`	number	4000	Maximum length for any interval (limited by gas limit).

Returns: Promise‹Interval[]›

The signature bitmap for the specified interval.

version

▸ version(): Promise‹NonNullable‹T["methods"] extends object ? ContractVersion<> : never››

Inherited from BaseWrapper.version

Defined in packages/sdk/contractkit/src/wrappers/BaseWrapper.ts:39

Returns: Promise‹NonNullable‹T["methods"] extends object ? ContractVersion<> : never››

wasValidatorDownForInterval

▸ wasValidatorDownForInterval(address: Address, interval: Interval): Promise‹boolean›

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:143

Tests if the given validator or signer did not sign any blocks in the interval.

Parameters:

Name	Type	Description
`address`	Address	Address of the validator account or signer.
`interval`	Interval	First and last block of the interval.

Returns: Promise‹boolean›

wasValidatorDownForIntervals

▸ wasValidatorDownForIntervals(address: Address, intervals: Interval[]): Promise‹boolean›

Defined in packages/sdk/contractkit/src/wrappers/DowntimeSlasher.ts:157

Returns true if the validator did not sign any blocks for the specified overlapping or adjacent intervals.

Parameters:

Name	Type	Description
`address`	Address	Address of the validator account or signer.
`intervals`	Interval[]	-

Returns: Promise‹boolean›

True if the validator signature does not appear in any block within the window.