rln-interep-contract/common/interep-utils.ts

import {utils} from "ethers";

export const sToBytes32 = (str: string): string => {
    return utils.formatBytes32String(str);
}

export const SNARK_SCALAR_FIELD = BigInt(
    "21888242871839275222246405745257275088548364400416034343698204186575808495617"
)

export const createGroupId = (provider: string, name: string): bigint => {
    const providerBytes = sToBytes32(provider);
    const nameBytes = sToBytes32(name);
    return BigInt(utils.solidityKeccak256(["bytes32", "bytes32"], [providerBytes, nameBytes])) % SNARK_SCALAR_FIELD
}

const providers = ['github', 'twitter', 'reddit'];
const tiers = ['bronze', 'silver', 'gold'];

export const getGroups = () => {
    return providers.flatMap(provider => tiers.map(tier => {
        return {
            provider: sToBytes32(provider),
            name: sToBytes32(tier),
            root: 1,
            depth: 10,
        }
    }));
}

export const getValidGroups = () => {
    return getGroups().filter(group => group.name !== sToBytes32('bronze'));
}