Class CostEstimator

constructor

• new CostEstimator(relayer): CostEstimator

• Parameters

  • relayer: SubstrateRelayer

  Returns CostEstimator

relayer

trackingMap

currentTransactionCost

• currentTransactionCost(tx): Promise<number>

• returns the transaction cost of a specific side effect in native asset

  Parameters

  • tx: SubmittableExtrinsic

    of the SFX on target

  Returns Promise<number>

  the cost of the SFX in native asset

getTxCostSubject

• getTxCostSubject(sfxId, tx): Promise<BehaviorSubject<number>>

• adds a sfx to tracking list and returns an observable that emits the transaction cost in native asset

  Parameters

  • sfxId: string

  • tx: SubmittableExtrinsic

    of the SFX on target

  Returns Promise<BehaviorSubject<number>>

stopTracking

• stopTracking(sfxId): Promise<void>

• Parameters

  • sfxId: string

  Returns Promise<void>

update

• update(): Promise<void>

• Automatically fetch new prices for all tracked transactions and publish

  Returns Promise<void>