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Circuits V3: init commit. Update package deps. Replace test( ti it(
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| import { PubSignalsVerifier, VerifyOpts } from '@lib/circuits/registry'; | ||
| import { checkQueryRequest, ClaimOutputs, Query } from '@lib/circuits/query'; | ||
| import { Resolvers } from '@lib/state/resolver'; | ||
| import { IDOwnershipPubSignals } from '@lib/circuits/ownershipVerifier'; | ||
| import { checkIssuerNonRevState, checkUserState, getResolverByID } from '@lib/circuits/common'; | ||
| import { DID, getDateFromUnixTimestamp } from '@iden3/js-iden3-core'; | ||
| import { DocumentLoader } from '@iden3/js-jsonld-merklization'; | ||
| import { AtomicQueryV3PubSignals, byteEncoder, ProofType } from '@0xpolygonid/js-sdk'; | ||
|
|
||
| const valuesSize = 64; | ||
| const defaultProofVerifyOpts = 1 * 60 * 60 * 1000; // 1 hour | ||
|
|
||
| export class AtomicQueryV3PubSignalsVerifier | ||
| extends IDOwnershipPubSignals | ||
| implements PubSignalsVerifier | ||
| { | ||
| pubSignals = new AtomicQueryV3PubSignals(); | ||
|
|
||
| constructor(pubSignals: string[]) { | ||
| super(); | ||
| this.pubSignals = this.pubSignals.pubSignalsUnmarshal( | ||
| byteEncoder.encode(JSON.stringify(pubSignals)) | ||
| ); | ||
|
|
||
| this.userId = this.pubSignals.userID; | ||
| this.challenge = this.pubSignals.requestID; | ||
| } | ||
|
|
||
| async verifyQuery( | ||
| query: Query, | ||
| schemaLoader?: DocumentLoader, | ||
| verifiablePresentation?: JSON, | ||
| opts?: VerifyOpts | ||
| ): Promise<void> { | ||
| const outs: ClaimOutputs = { | ||
| issuerId: this.pubSignals.issuerID, | ||
| schemaHash: this.pubSignals.claimSchema, | ||
| slotIndex: this.pubSignals.slotIndex, | ||
| operator: this.pubSignals.operator, | ||
| value: this.pubSignals.value, | ||
| timestamp: this.pubSignals.timestamp, | ||
| merklized: this.pubSignals.merklized, | ||
| claimPathKey: this.pubSignals.claimPathKey, | ||
| claimPathNotExists: this.pubSignals.claimPathNotExists, | ||
| valueArraySize: valuesSize, | ||
| isRevocationChecked: this.pubSignals.isRevocationChecked | ||
| }; | ||
| await checkQueryRequest(query, outs, schemaLoader, verifiablePresentation, opts); | ||
|
|
||
| const { proofType, verifierID, verifierSessionID, linkID, nullifier } = this.pubSignals; | ||
|
|
||
| if ( | ||
| !(query.proofType === ProofType.BJJSignature && proofType === 1) && | ||
| !(query.proofType === ProofType.Iden3SparseMerkleTreeProof && proofType === 2) | ||
| ) { | ||
| throw new Error('invalid proof type'); | ||
| } | ||
|
|
||
| if (nullifier && BigInt(nullifier) !== 0n) { | ||
| // verify nullifier information | ||
| if (!opts?.verifierDID) { | ||
| throw new Error('verifierDID is required'); | ||
| } | ||
|
|
||
| const id = DID.idFromDID(opts.verifierDID); | ||
|
|
||
| if (verifierID.bigInt() != id.bigInt()) { | ||
| throw new Error('wrong verifier is used for nullification'); | ||
| } | ||
|
|
||
| if (!query.verifierSessionId) { | ||
| throw new Error('verifierSessionId is required'); | ||
| } | ||
|
|
||
| const vSessionID = BigInt(query.verifierSessionId); | ||
|
|
||
| if (verifierSessionID !== vSessionID) { | ||
| throw new Error( | ||
| `wrong verifier session id is used for nullification, expected ${vSessionID}, got ${verifierSessionID}` | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| if (query.linkSessionId && !linkID) { | ||
| throw new Error("proof doesn't contain link id, but link session id is provided"); | ||
| } | ||
| } | ||
|
|
||
| async verifyStates(resolvers: Resolvers, opts?: VerifyOpts): Promise<void> { | ||
| const resolver = getResolverByID(resolvers, this.pubSignals.issuerID); | ||
| if (!resolver) { | ||
| throw new Error(`resolver not found for issuerID ${this.pubSignals.issuerID.string()}`); | ||
| } | ||
|
|
||
| await checkUserState(resolver, this.pubSignals.issuerID, this.pubSignals.issuerState); | ||
|
|
||
| if (this.pubSignals.isRevocationChecked === 0) { | ||
| return; | ||
| } | ||
|
|
||
| // if IsRevocationChecked is set to 0. Skip validation revocation status of issuer. | ||
| if (this.pubSignals.isRevocationChecked === 0) { | ||
| return; | ||
| } | ||
|
|
||
| const issuerNonRevStateResolved = await checkIssuerNonRevState( | ||
| resolver, | ||
| this.pubSignals.issuerID, | ||
| this.pubSignals.issuerClaimNonRevState | ||
| ); | ||
|
|
||
| const acceptedStateTransitionDelay = | ||
| opts?.acceptedStateTransitionDelay ?? defaultProofVerifyOpts; | ||
|
|
||
| if (!issuerNonRevStateResolved.latest) { | ||
| const timeDiff = | ||
| Date.now() - | ||
| getDateFromUnixTimestamp(Number(issuerNonRevStateResolved.transitionTimestamp)).getTime(); | ||
| if (timeDiff > acceptedStateTransitionDelay) { | ||
| throw new Error('issuer state is outdated'); | ||
| } | ||
| } | ||
| } | ||
| } |
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