contracts/test/utils.ts

import { Identity } from "@semaphore-protocol/identity"
import { utils } from "ethers"

export const SNARK_SCALAR_FIELD = BigInt(
    "21888242871839275222246405745257275088548364400416034343698204186575808495617"
)

export function createGroupId(provider: string, name: string): bigint {
    return BigInt(utils.solidityKeccak256(["bytes32", "bytes32"], [provider, name])) % SNARK_SCALAR_FIELD
}

export function createIdentityCommitments(n: number): bigint[] {
    const identityCommitments: bigint[] = []

    for (let i = 0; i < n; i++) {
        const identity = new Identity(i.toString())
        const identityCommitment = identity.generateCommitment()

        identityCommitments.push(identityCommitment)
    }

    return identityCommitments
}