@iden3/js-iden3-core/dist/node/esm/constants.js

Low level API to create and manipulate iden3 Claims.

export const Constants = Object.freeze({
    ERRORS: {
        // ErrDataOverflow means that given *big.Int value does not fit in Field Q
        // e.g. greater than Q constant:
        // Q constant: 21888242871839275222246405745257275088548364400416034343698204186575808495617
        DATA_OVERFLOW: new Error('data does not fits SNARK size'),
        // ErrIncorrectIDPosition means that passed position is not one of predefined:
        // IDPositionIndex or IDPositionValue
        INCORRECT_ID_POSITION: new Error('incorrect ID position'),
        // throws when ID not found in the Claim.
        NO_ID: new Error('ID is not set'),
        // throws when subject position flags sets in invalid value.
        INVALID_SUBJECT_POSITION: new Error('invalid subject position'),
        // ErrIncorrectMerklizePosition means that passed position is not one of predefined:
        // MerklizePositionIndex or MerklizePositionValue
        INCORRECT_MERKLIZED_POSITION: new Error('incorrect Merklize position'),
        // ErrNoMerklizedRoot returns when Merklized Root is not found in the Claim.
        NO_MERKLIZED_ROOT: new Error('Merklized root is not set'),
        NETWORK_NOT_SUPPORTED_FOR_DID: new Error('network in not supported for did'),
        UNSUPPORTED_BLOCKCHAIN_FOR_DID: new Error('not supported blockchain for did'),
        UNSUPPORTED_DID_METHOD: new Error('not supported DID method'),
        UNKNOWN_DID_METHOD: new Error('unknown DID method'),
        INCORRECT_DID: new Error('incorrect DID'),
        UNSUPPORTED_ID: new Error('unsupported Id')
    },
    SCHEMA: {
        HASH_LENGTH: 16
    },
    ETH_ADDRESS_LENGTH: 20,
    BYTES_LENGTH: 32,
    ELEM_BYTES_LENGTH: 4,
    NONCE_BYTES_LENGTH: 8,
    Q: BigInt('21888242871839275222246405745257275088548364400416034343698204186575808495617'),
    ID: {
        TYPE_DEFAULT: Uint8Array.from([0x00, 0x00]),
        TYPE_READONLY: Uint8Array.from([0b00000000, 0b00000001]),
        ID_LENGTH: 31
    },
    DID: {
        DID_SCHEMA: 'did'
    },
    GENESIS_LENGTH: 27
});
export const Blockchain = {
    Ethereum: 'eth',
    Polygon: 'polygon',
    Privado: 'privado',
    Linea: 'linea',
    Unknown: 'unknown',
    NoChain: '',
    ReadOnly: 'readonly'
};
export const NetworkId = {
    Main: 'main',
    Mumbai: 'mumbai',
    Amoy: 'amoy',
    Goerli: 'goerli',
    Sepolia: 'sepolia',
    Zkevm: 'zkevm',
    Cardona: 'cardona',
    Test: 'test',
    Unknown: 'unknown',
    NoNetwork: ''
};
export const DidMethod = {
    Iden3: 'iden3',
    PolygonId: 'polygonid',
    Other: ''
};
/**
 * Object containing chain IDs for various blockchains and networks.
 * @type { [key: string]: number }
 */
export const ChainIds = {
    [`${Blockchain.Ethereum}:${NetworkId.Main}`]: 1,
    [`${Blockchain.Ethereum}:${NetworkId.Goerli}`]: 5,
    [`${Blockchain.Ethereum}:${NetworkId.Sepolia}`]: 11155111,
    [`${Blockchain.Polygon}:${NetworkId.Main}`]: 137,
    [`${Blockchain.Polygon}:${NetworkId.Mumbai}`]: 80001,
    [`${Blockchain.Polygon}:${NetworkId.Amoy}`]: 80002,
    [`${Blockchain.Polygon}:${NetworkId.Zkevm}`]: 1101,
    [`${Blockchain.Polygon}:${NetworkId.Cardona}`]: 2442,
    [`${Blockchain.Privado}:${NetworkId.Main}`]: 21000,
    [`${Blockchain.Privado}:${NetworkId.Test}`]: 21001,
    [`${Blockchain.Linea}:${NetworkId.Main}`]: 59144,
    [`${Blockchain.Linea}:${NetworkId.Sepolia}`]: 59141
};
export const DidMethodByte = {
    [DidMethod.Iden3]: 0b00000001,
    [DidMethod.PolygonId]: 0b00000010,
    [DidMethod.Other]: 0b11111111
};
const blockchainNetworkMap = {
    [`${Blockchain.ReadOnly}:${NetworkId.NoNetwork}`]: 0b00000000,
    [`${Blockchain.Polygon}:${NetworkId.Main}`]: 16 | 1,
    [`${Blockchain.Polygon}:${NetworkId.Mumbai}`]: 16 | 2,
    [`${Blockchain.Polygon}:${NetworkId.Amoy}`]: 16 | 3,
    [`${Blockchain.Polygon}:${NetworkId.Zkevm}`]: 16 | 4,
    [`${Blockchain.Polygon}:${NetworkId.Cardona}`]: 16 | 5,
    [`${Blockchain.Ethereum}:${NetworkId.Main}`]: 32 | 1,
    [`${Blockchain.Ethereum}:${NetworkId.Goerli}`]: 32 | 2,
    [`${Blockchain.Ethereum}:${NetworkId.Sepolia}`]: 32 | 3,
    [`${Blockchain.Privado}:${NetworkId.Main}`]: 160 | 1,
    [`${Blockchain.Privado}:${NetworkId.Test}`]: 160 | 2,
    [`${Blockchain.Linea}:${NetworkId.Main}`]: 64 | 9,
    [`${Blockchain.Linea}:${NetworkId.Sepolia}`]: 64 | 8
};
// DIDMethodNetwork is map for did methods and their blockchain networks
export const DidMethodNetwork = {
    [DidMethod.Iden3]: {
        ...blockchainNetworkMap
    },
    [DidMethod.PolygonId]: {
        ...blockchainNetworkMap
    },
    [DidMethod.Other]: {
        [`${Blockchain.Unknown}:${NetworkId.Unknown}`]: 255
    }
};