Class VBMembershipWitness

Hierarchy (view full)

AccumulatorWitness<Uint8Array>
- VBMembershipWitness

Index

Constructors

Properties

Methods

toJSON updatePostAdd updatePostRemove updateUsingPublicInfoPostBatchUpdate updateUsingPublicInfoPostMultipleBatchUpdates fromJSON updateMultiplePostBatchUpdates

Constructors

constructor

new VBMembershipWitness(value): VBMembershipWitness
Parameters
- value: object | Uint8Array
Returns VBMembershipWitness
Inherited from AccumulatorWitness.constructor
- Defined in accumulator/accumulatorWitness.ts:20

Properties

value

value: Uint8Array

Methods

toJSON

toJSON(): string
Returns string
- Defined in accumulator/accumulatorWitness.ts:138

updatePostAdd

updatePostAdd(addition, member, accumulatorValueBeforeAddition): void
Update a membership witness after an element is added to the accumulator
Parameters
- addition: Uint8Array
  new addition to the accumulator
- member: Uint8Array
  whose witness is being updated
- accumulatorValueBeforeAddition: Uint8Array
  accumulator value before the addition was done.
Returns void
Overrides AccumulatorWitness.updatePostAdd
- Defined in accumulator/accumulatorWitness.ts:50

updatePostRemove

updatePostRemove(removal, member, accumulatorValueAfterRemoval): void
Update a membership witness after an element is removed from the accumulator.
Parameters
- removal: Uint8Array
  removal from the accumulator
- member: Uint8Array
  whose witness is being updated
- accumulatorValueAfterRemoval: Uint8Array
  accumulator value after the removal was done.
Returns void
Overrides AccumulatorWitness.updatePostRemove
- Defined in accumulator/accumulatorWitness.ts:60

updateUsingPublicInfoPostBatchUpdate

updateUsingPublicInfoPostBatchUpdate(member, additions, removals, publicInfo): void
Compute an update to the membership witness after adding and removing batches of elements from the accumulator.
Parameters
- member: Uint8Array
  the member whose witness is to be updated
- additions: Uint8Array[]
  array of additions
- removals: Uint8Array[]
  array of removals
- publicInfo: VBWitnessUpdateInfo
  witness update info published by the accumulator manager
Returns void
Overrides AccumulatorWitness.updateUsingPublicInfoPostBatchUpdate
- Defined in accumulator/accumulatorWitness.ts:71

updateUsingPublicInfoPostMultipleBatchUpdates

updateUsingPublicInfoPostMultipleBatchUpdates(member, additions, removals, publicInfo): void
Compute an update to the membership witness after adding and removing several batches of elements from the accumulator. For each batch of updates, additions, removals and witness update info are provided.
Parameters
- member: Uint8Array
  the member whose witness is to be updated
- additions: Uint8Array[][]
  array of arrays of additions
- removals: Uint8Array[][]
  array of arrays of removals
- publicInfo: VBWitnessUpdateInfo[]
  array of witness update info
Returns void
Overrides AccumulatorWitness.updateUsingPublicInfoPostMultipleBatchUpdates
- Defined in accumulator/accumulatorWitness.ts:94

`Static`fromJSON

fromJSON(json): VBMembershipWitness
Parameters
- json: string
Returns VBMembershipWitness
- Defined in accumulator/accumulatorWitness.ts:144

`Static`updateMultiplePostBatchUpdates

updateMultiplePostBatchUpdates(witnesses, members, additions, removals, accumulatorValueBeforeUpdates, secretKey): VBMembershipWitness[]
Compute an update to several membership witnesses after adding and removing batches of elements from the accumulator.
Parameters
- witnesses: VBMembershipWitness[]
  membership witnesses to update
- members: Uint8Array[]
  members corresponding to the witnesses
- additions: Uint8Array[]
- removals: Uint8Array[]
- accumulatorValueBeforeUpdates: Uint8Array
  accumulator value before the updates
- secretKey: AccumulatorSecretKey
Returns VBMembershipWitness[]
- Defined in accumulator/accumulatorWitness.ts:119