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Version: v2.0_alpha

Minimal Anti Collusion Infrastructure (MACI) v2.0.0-alpha / Ballot

Class: Ballot

A Ballot represents a User's votes in a Poll, as well as their next valid nonce.

Constructors

new Ballot()

new Ballot(_numVoteOptions, _voteOptionTreeDepth): Ballot

Create a new Ballot instance

Parameters

_numVoteOptions: number

How many vote options are available in the poll

_voteOptionTreeDepth: number

The depth of the merkle tree holding the vote options

Returns

Ballot

Defined in

ballot.ts:23

Properties

nonce

nonce: bigint

Defined in

ballot.ts:14


voteOptionTreeDepth

voteOptionTreeDepth: number

Defined in

ballot.ts:16


votes

votes: bigint[] = []

Defined in

ballot.ts:12

Methods

asArray()

asArray(): bigint[]

Convert in a an array of bigints

Returns

bigint[]

the ballot as a bigint array

Notice

this is the nonce and the root of the vote option tree

Defined in

ballot.ts:52


asCircuitInputs()

asCircuitInputs(): bigint[]

Convert in a format suitable for the circuit

Returns

bigint[]

the ballot as a BigInt array

Defined in

ballot.ts:45


copy()

copy(): Ballot

Create a deep clone of this Ballot

Returns

Ballot

a copy of the ballot

Defined in

ballot.ts:68


equals()

equals(b): boolean

Check if two ballots are equal (same votes and same nonce)

Parameters

b: Ballot

The ballot to compare with

Returns

boolean

whether the two ballots are equal

Defined in

ballot.ts:81


hash()

hash(): bigint

Generate an hash of this ballot

Returns

bigint

The hash of the ballot

Defined in

ballot.ts:36


toJSON()

toJSON(): IJsonBallot

Serialize to a JSON object

Returns

IJsonBallot

Defined in

ballot.ts:112


fromJSON()

static fromJSON(json): Ballot

Deserialize into a Ballot instance

Parameters

json: IJsonBallot

the json representation

Returns

Ballot

the deserialized object as a Ballot instance

Defined in

ballot.ts:125


genBlankBallot()

static genBlankBallot(numVoteOptions, voteOptionTreeDepth): Ballot

Generate a blank ballot

Parameters

numVoteOptions: number

How many vote options are available

voteOptionTreeDepth: number

How deep is the merkle tree holding the vote options

Returns

Ballot

a Blank Ballot object

Defined in

ballot.ts:104


genRandomBallot()

static genRandomBallot(numVoteOptions, voteOptionTreeDepth): Ballot

Generate a random ballot

Parameters

numVoteOptions: number

How many vote options are available

voteOptionTreeDepth: number

How deep is the merkle tree holding the vote options

Returns

Ballot

a random Ballot

Defined in

ballot.ts:92