@0xpolygonid/js-sdk
Version:
SDK to work with Polygon ID
107 lines (106 loc) • 4.38 kB
JavaScript
import { getSerializationAttrFromContext, parseSerializationAttr, getFieldSlotIndex, findCredentialType, getSerializationAttrFromParsedContext, parseCoreClaimSlots } from '../../verifiable';
import * as jsonld from 'jsonld/lib';
import * as ldcontext from 'jsonld/lib/context';
/**
* Parser can parse claim and schema data according to specification
*
* @public
* @class Parser
*/
export class Parser {
/**
* @deprecated The method should not be used. Use credential.toCoreClaim instead.
* ParseClaim creates core.Claim object from W3CCredential
*
* @param {W3CCredential} credential - Verifiable Credential
* @param {CoreClaimOptions} [opts] - options to parse core claim
* @returns `Promise<CoreClaim>`
*/
static async parseClaim(credential, opts) {
return credential.toCoreClaim(opts);
}
/**
* @deprecated The method should not be used. Use findCredentialType from verifiable.
*/
static findCredentialType(mz) {
return findCredentialType(mz);
}
/**
* @deprecated The method should not be used. Use credential.getSerializationAttr instead.
*
* Get `iden3_serialization` attr definition from context document either using
* type name like DeliverAddressMultiTestForked or by type id like
* urn:uuid:ac2ede19-b3b9-454d-b1a9-a7b3d5763100.
* */
static async getSerializationAttr(credential, opts, tp) {
const ldCtx = await jsonld.processContext(ldcontext.getInitialContext({}), credential['@context'], opts);
return Parser.getSerializationAttrFromParsedContext(ldCtx, tp);
}
/**
* @deprecated The method should not be used. Use getSerializationAttrFromContext from verifiable.
*
* Get `iden3_serialization` attr definition from context document either using
* type name like DeliverAddressMultiTestForked or by type id like
* urn:uuid:ac2ede19-b3b9-454d-b1a9-a7b3d5763100.
*
*/
static async getSerializationAttrFromContext(context, opts, tp) {
return getSerializationAttrFromContext(context, opts, tp);
}
/**
* @deprecated The method should not be used. Use getSerializationAttrFromParsedContext from verifiable.
*
* */
static async getSerializationAttrFromParsedContext(ldCtx, tp) {
return getSerializationAttrFromParsedContext(ldCtx, tp);
}
/**
* @deprecated The method should not be used. Use parseSerializationAttr from verifiable.
*
*/
static parseSerializationAttr(serAttr) {
return parseSerializationAttr(serAttr);
}
/**
*
* @deprecated The method should not be used. Use credential.parseSlots instead.
* ParseSlots converts payload to claim slots using provided schema
*
* @param {Merklizer} mz - Merklizer
* @param {W3CCredential} credential - Verifiable Credential
* @param {string} credentialType - credential type
* @returns `ParsedSlots`
*/
static async parseSlots(mz, credential, credentialType) {
const ldCtx = await jsonld.processContext(ldcontext.getInitialContext({}), credential['@context'], mz.options);
return parseCoreClaimSlots(ldCtx, mz, credentialType);
}
/**
* @deprecated The method should not be used. Use getFieldSlotIndex from verifiable.
*
* GetFieldSlotIndex return index of slot from 0 to 7 (each claim has by default 8 slots) for non-merklized claims
*
* @param {string} field - field name
* @param {Uint8Array} schemaBytes -json schema bytes
* @returns `number`
*/
static async getFieldSlotIndex(field, typeName, schemaBytes) {
return getFieldSlotIndex(field, typeName, schemaBytes);
}
/**
* ExtractCredentialSubjectProperties return credential subject types from JSON schema
*
* @param {string | JSON} schema - JSON schema
* @returns `Promise<Array<string>>`
*/
static async extractCredentialSubjectProperties(schema) {
const parsedSchema = typeof schema === 'string' ? JSON.parse(schema) : schema;
const props = parsedSchema.properties?.credentialSubject?.properties;
if (!props) {
throw new Error('properties.credentialSubject.properties is not set');
}
// drop @id field
delete props['id'];
return Object.keys(props);
}
}