commit 41ab4e76e2e6170f8e57c5e396e0e1a3af995a02 · edouard.paris/did-method-plc

+65 -51

packages/lib/src/client.ts

···

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       import { check, cidForCbor } from '@atproto/common'

     

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       import { check } from '@atproto/common'

     

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       import { Keypair } from '@atproto/crypto'

     

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       import axios from 'axios'

     

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       import { CID } from 'multiformats/cid'

     

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       import { didForCreateOp, normalizeOp, signOperation } from './operations'

     

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       import {

     

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         atprotoOp,

     

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         createUpdateOp,

     

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         didForCreateOp,

     

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         updateAtprotoKeyOp,

     

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         updateHandleOp,

     

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         updatePdsOp,

     

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         updateRotationKeysOp,

     

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       } from './operations'

     

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       import * as t from './types'

     

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       export class Client {

     
···

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           return res.data

     

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         }

     

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         async updateData(

     

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           did: string,

     

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           key: Keypair,

     

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           fn: (lastOp: t.Operation, prev: CID) => Promise<t.UnsignedOperation>,

     

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         ) {

     

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           const lastOp = await this.getLastOp(did)

     

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           if (check.is(lastOp, t.def.tombstone)) {

     

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             throw new Error('Cannot apply op to tombstone')

     

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           }

     

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           const normalized = normalizeOp(lastOp)

     

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           const prev = await cidForCbor(lastOp)

     

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           const unsigned = await fn(normalized, prev)

     

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           const op = await signOperation(unsigned, key)

     

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           await this.sendOperation(did, op)

     

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         }

     

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         async applyPartialOp(

     

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           did: string,

     

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           delta: Partial<t.UnsignedOperation>,

     

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           key: Keypair,

     

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         ) {

     

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           await this.updateData(did, key, async (lastOp, prev) => ({

     

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             type: 'plc_operation',

     

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             verificationMethods: lastOp.verificationMethods,

     

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             rotationKeys: lastOp.rotationKeys,

     

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             alsoKnownAs: lastOp.alsoKnownAs,

     

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             services: lastOp.services,

     

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             prev: prev.toString(),

     

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             ...delta,

     

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           }))

     

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         }

     

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         async create(

     

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           op: Omit<t.UnsignedOperation, 'prev'>,

     

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           key: Keypair,

     

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         ): Promise<string> {

     

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           const createOp = await signOperation(

     

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             {

     

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               ...op,

     

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               prev: null,

     

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             },

     

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             key,

     

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           )

     

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           const did = await didForCreateOp(createOp)

     

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           await this.sendOperation(did, createOp)

     

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           return did

     

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         }

     

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         async sendOperation(did: string, op: t.OpOrTombstone) {

     

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           await axios.post(this.postOpUrl(did), op)

     

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         }

     
···

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           const res = await axios.get(url.toString())

     

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           const lines = res.data.split('\n')

     

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           return lines.map((l) => JSON.parse(l))

     

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         }

     

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         async createDid(opts: {

     

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           signingKey: string

     

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           handle: string

     

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           pds: string

     

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           rotationKeys: string[]

     

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           signer: Keypair

     

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         }): Promise<string> {

     

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           const op = await atprotoOp({ ...opts, prev: null })

     

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           const did = await didForCreateOp(op)

     

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           await this.sendOperation(did, op)

     

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           return did

     

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         }

     

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         private async ensureLastOp(did) {

     

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           const lastOp = await this.getLastOp(did)

     

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           if (check.is(lastOp, t.def.tombstone)) {

     

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             throw new Error('Cannot apply op to tombstone')

     

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           }

     

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           return lastOp

     

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         }

     

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         async updateData(

     

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           did: string,

     

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           signer: Keypair,

     

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           fn: (lastOp: t.UnsignedOperation) => Omit<t.UnsignedOperation, 'prev'>,

     

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         ) {

     

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           const lastOp = await this.ensureLastOp(did)

     

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           const op = await createUpdateOp(lastOp, signer, fn)

     

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           await this.sendOperation(did, op)

     

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         }

     

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         async updateAtprotoKey(did: string, signer: Keypair, atprotoKey: string) {

     

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           const lastOp = await this.ensureLastOp(did)

     

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           const op = await updateAtprotoKeyOp(lastOp, signer, atprotoKey)

     

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           await this.sendOperation(did, op)

     

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         }

     

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         async updateHandle(did: string, signer: Keypair, handle: string) {

     

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           const lastOp = await this.ensureLastOp(did)

     

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           const op = await updateHandleOp(lastOp, signer, handle)

     

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           await this.sendOperation(did, op)

     

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         }

     

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         async updatePds(did: string, signer: Keypair, endpoint: string) {

     

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           const lastOp = await this.ensureLastOp(did)

     

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           const op = await updatePdsOp(lastOp, signer, endpoint)

     

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           await this.sendOperation(did, op)

     

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         }

     

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         async updateRotationKeys(did: string, signer: Keypair, keys: string[]) {

     

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           const lastOp = await this.ensureLastOp(did)

     

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           const op = await updateRotationKeysOp(lastOp, signer, keys)

     

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           await this.sendOperation(did, op)

     

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         }

     

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         async health() {

+3 -6

packages/lib/src/operations.ts

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       export const createUpdateOp = async (

     

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         lastOp: t.CompatibleOp,

     

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         signer: Keypair,

     

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         fn: (

     

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           normalized: t.UnsignedOperation,

     

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           prev: CID,

     

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         ) => Omit<t.UnsignedOperation, 'prev'>,

     

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         fn: (normalized: t.UnsignedOperation) => Omit<t.UnsignedOperation, 'prev'>,

     

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       ): Promise<t.Operation> => {

     

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         const prev = await cidForCbor(lastOp)

     

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         // omit sig so it doesn't accidentally make its way into the next operation

     

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         const { sig, ...normalized } = normalizeOp(lastOp)

     

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         const unsigned = await fn(normalized, prev)

     

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         const unsigned = await fn(normalized)

     

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         return addSignature(

     

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           {

     

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             ...unsigned,

     
···

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         })

     

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       }

     

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       export const updateRotationkeysOp = async (

     

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       export const updateRotationKeysOp = async (

     

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         lastOp: t.CompatibleOp,

     

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         signer: Keypair,

     

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         rotationKeys: string[],

+3 -21

packages/lib/tests/compatibility.test.ts

···

       6
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         deprecatedSignCreate,

     

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         didForCreateOp,

     

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         normalizeOp,

     

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         updateRotationkeysOp,

     

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         updateRotationKeysOp,

     

       10
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         updateAtprotoKeyOp,

     

       11
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         validateOperationLog,

     

       12
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       } from '../src'

     
···

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             signingKey,

     

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             newSigner.did(),

     

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           )

     

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           const anotherOp = await updateRotationkeysOp(nextOp, signingKey, [

     

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           const anotherOp = await updateRotationKeysOp(nextOp, signingKey, [

     

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             newRotater.did(),

     

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           ])

     

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           //   {

     

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           //     type: 'plc_operation',

     

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           //     verificationMethods: {

     

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           //       atproto: newSigner.did(),

     

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           //     },

     

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           //     rotationKeys: [newRotater.did()],

     

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           //     alsoKnownAs: [`at://${handle}`],

     

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           //     services: {

     

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           //       atproto_pds: {

     

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           //         type: 'AtprotoPersonalDataServer',

     

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           //         endpoint: service,

     

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           //       },

     

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           //     },

     

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           //     prev: legacyCid.toString(),

     

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           //   },

     

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           //   signingKey,

     

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           // )

     

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           await validateOperationLog(did, [legacyOp, nextOp])

     

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           // await validateOperationLog(did, [legacyOp, nextOp, anotherOp])

     

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           await validateOperationLog(did, [legacyOp, nextOp, anotherOp])

     

       93
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       94
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           return

     

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           const indexedLegacy = {

     

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             did,

     

       97
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             operation: legacyOp,

+7 -5

packages/lib/tests/data.test.ts

···

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         })

     

       74
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         it('updates handle', async () => {

     

       76
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           handle = 'at://ali.example2.com'

     

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           const op = await operations.updateHandleOp(lastOp(), rotationKey1, handle)

     

       76
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       +
           const noPrefix = 'ali.exampl2.com'

     

       77
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           handle = `at://${noPrefix}`

     

       78
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       +
           const op = await operations.updateHandleOp(lastOp(), rotationKey1, noPrefix)

     

       78
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           ops.push(op)

     

       79
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       80
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           const doc = await data.validateOperationLog(did, ops)

     
···

       82
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         })

     

       83
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         it('updates atpPds', async () => {

     

       85
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           atpPds = 'https://example2.com'

     

       86
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       -
           const op = await operations.updatePdsOp(lastOp(), rotationKey1, atpPds)

     

       86
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       +
           const noPrefix = 'example2.com'

     

       87
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       +
           atpPds = `https://${noPrefix}`

     

       88
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       +
           const op = await operations.updatePdsOp(lastOp(), rotationKey1, noPrefix)

     

       87
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           ops.push(op)

     

       88
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       89
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           const doc = await data.validateOperationLog(did, ops)

     
···

       107
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       108
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         it('rotates rotation keys', async () => {

     

       109
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           const newRotationKey = await Secp256k1Keypair.create()

     

       110
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       -
           const op = await operations.updateRotationkeysOp(lastOp(), rotationKey1, [

     

       112
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       +
           const op = await operations.updateRotationKeysOp(lastOp(), rotationKey1, [

     

       111
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             newRotationKey.did(),

     

       112
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             rotationKey2.did(),

     

       113
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           ])

+59 -88

packages/server/tests/server.test.ts

···

       1
       1
        
       import { EcdsaKeypair } from '@atproto/crypto'

     

       2
       2
        
       import * as plc from '@did-plc/lib'

     

       3
       3
        
       import { CloseFn, runTestServer } from './_util'

     

       4
       4
       -
       import { check, cidForCbor } from '@atproto/common'

     

       4
       4
       +
       import { check } from '@atproto/common'

     

       5
       5
        
       import { AxiosError } from 'axios'

     

       6
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       import { Database } from '../src'

     

       7
       7
       -
       import { signOperation } from '@did-plc/lib'

     

       8
       7
        
       

     

       9
       8
        
       describe('PLC server', () => {

     

       10
       10
       -
         let handle = 'alice.example.com'

     

       11
       11
       -
         let atpPds = 'example.com'

     

       9
       9
       +
         let handle = 'at://alice.example.com'

     

       10
       10
       +
         let atpPds = 'https://example.com'

     

       12
       11
        
       

     

       13
       12
        
         let close: CloseFn

     

       14
       13
        
         let db: Database

     
···

       39
       38
        
           }

     

       40
       39
        
         })

     

       41
       40
        
       

     

       42
       42
       -
         it('registers a did', async () => {

     

       43
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       -
           did = await client.create(

     

       44
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       -
             {

     

       45
       45
       -
               signingKey: signingKey.did(),

     

       46
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       -
               rotationKeys: [rotationKey1.did(), rotationKey2.did()],

     

       47
       47
       -
               handles: [handle],

     

       48
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       -
               services: {

     

       49
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       -
                 atpPds,

     

       50
       50
       -
               },

     

       41
       41
       +
         const verifyDoc = (doc: plc.DocumentData | null) => {

     

       42
       42
       +
           if (!doc) {

     

       43
       43
       +
             throw new Error('expected doc')

     

       44
       44
       +
           }

     

       45
       45
       +
           expect(doc.did).toEqual(did)

     

       46
       46
       +
           expect(doc.verificationMethods).toEqual({ atproto: signingKey.did() })

     

       47
       47
       +
           expect(doc.rotationKeys).toEqual([rotationKey1.did(), rotationKey2.did()])

     

       48
       48
       +
           expect(doc.alsoKnownAs).toEqual([handle])

     

       49
       49
       +
           expect(doc.services).toEqual({

     

       50
       50
       +
             atproto_pds: {

     

       51
       51
       +
               type: 'AtprotoPersonalDataServer',

     

       52
       52
       +
               endpoint: atpPds,

     

       51
       53
        
             },

     

       52
       52
       -
             rotationKey1,

     

       53
       53
       -
           )

     

       54
       54
       +
           })

     

       55
       55
       +
         }

     

       56
       56
       +
       

     

       57
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       +
         it('registers a did', async () => {

     

       58
       58
       +
           did = await client.createDid({

     

       59
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       +
             signingKey: signingKey.did(),

     

       60
       60
       +
             rotationKeys: [rotationKey1.did(), rotationKey2.did()],

     

       61
       61
       +
             handle,

     

       62
       62
       +
             pds: atpPds,

     

       63
       63
       +
             signer: rotationKey1,

     

       64
       64
       +
           })

     

       54
       65
        
         })

     

       55
       66
        
       

     

       56
       67
        
         it('retrieves did doc data', async () => {

     

       57
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           const doc = await client.getDocumentData(did)

     

       58
       58
       -
           expect(doc.did).toEqual(did)

     

       59
       59
       -
           expect(doc.signingKey).toEqual(signingKey.did())

     

       60
       60
       -
           expect(doc.rotationKeys).toEqual([rotationKey1.did(), rotationKey2.did()])

     

       61
       61
       -
           expect(doc.handles).toEqual([handle])

     

       62
       62
       -
           expect(doc.services).toEqual({ atpPds })

     

       69
       69
       +
           verifyDoc(doc)

     

       63
       70
        
         })

     

       64
       71
        
       

     

       65
       72
        
         it('can perform some updates', async () => {

     

       66
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           const newRotationKey = await EcdsaKeypair.create()

     

       67
       74
        
           signingKey = await EcdsaKeypair.create()

     

       68
       68
       -
           handle = 'ali.example2.com'

     

       69
       69
       -
           atpPds = 'example2.com'

     

       75
       75
       +
           handle = 'at://ali.example2.com'

     

       76
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       +
           atpPds = 'https://example2.com'

     

       70
       77
        
       

     

       71
       71
       -
           await client.applyPartialOp(

     

       72
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       -
             did,

     

       73
       73
       -
             { signingKey: signingKey.did() },

     

       74
       74
       -
             rotationKey1,

     

       75
       75
       -
           )

     

       76
       76
       -
       

     

       77
       77
       -
           await client.applyPartialOp(

     

       78
       78
       -
             did,

     

       79
       79
       -
             { rotationKeys: [newRotationKey.did(), rotationKey2.did()] },

     

       80
       80
       -
             rotationKey1,

     

       81
       81
       -
           )

     

       78
       78
       +
           await client.updateAtprotoKey(did, rotationKey1, signingKey.did())

     

       79
       79
       +
           await client.updateRotationKeys(did, rotationKey1, [

     

       80
       80
       +
             newRotationKey.did(),

     

       81
       81
       +
             rotationKey2.did(),

     

       82
       82
       +
           ])

     

       82
       83
        
           rotationKey1 = newRotationKey

     

       83
       84
        
       

     

       84
       84
       -
           await client.applyPartialOp(did, { handles: [handle] }, rotationKey1)

     

       85
       85
       -
           await client.applyPartialOp(did, { services: { atpPds } }, rotationKey1)

     

       85
       85
       +
           await client.updateHandle(did, rotationKey1, handle)

     

       86
       86
       +
           await client.updatePds(did, rotationKey1, atpPds)

     

       86
       87
        
       

     

       87
       88
        
           const doc = await client.getDocumentData(did)

     

       88
       88
       -
           expect(doc.did).toEqual(did)

     

       89
       89
       -
           expect(doc.signingKey).toEqual(signingKey.did())

     

       90
       90
       -
           expect(doc.rotationKeys).toEqual([rotationKey1.did(), rotationKey2.did()])

     

       91
       91
       -
           expect(doc.handles).toEqual([handle])

     

       92
       92
       -
           expect(doc.services).toEqual({ atpPds })

     

       89
       89
       +
           verifyDoc(doc)

     

       93
       90
        
         })

     

       94
       91
        
       

     

       95
       92
        
         it('does not allow key types that we do not support', async () => {

     
···

       97
       94
        
           const newSigningKey =

     

       98
       95
        
             'did:key:z6MkjwbBXZnFqL8su24wGL2Fdjti6GSLv9SWdYGswfazUPm9'

     

       99
       96
        
       

     

       100
       100
       -
           const promise = client.applyPartialOp(

     

       101
       101
       -
             did,

     

       102
       102
       -
             { signingKey: newSigningKey },

     

       103
       103
       -
             rotationKey1,

     

       104
       104
       -
           )

     

       97
       97
       +
           const promise = client.updateAtprotoKey(did, rotationKey1, newSigningKey)

     

       105
       98
        
           await expect(promise).rejects.toThrow(AxiosError)

     

       99
       99
       +
       

     

       100
       100
       +
           const promise2 = client.updateRotationKeys(did, rotationKey1, [

     

       101
       101
       +
             newSigningKey,

     

       102
       102
       +
           ])

     

       103
       103
       +
           await expect(promise2).rejects.toThrow(AxiosError)

     

       106
       104
        
         })

     

       107
       105
        
       

     

       108
       106
        
         it('retrieves the operation log', async () => {

     
···

       114
       112
        
       

     

       115
       113
        
         it('rejects on bad updates', async () => {

     

       116
       114
        
           const newKey = await EcdsaKeypair.create()

     

       117
       117
       -
           const operation = client.applyPartialOp(

     

       118
       118
       -
             did,

     

       119
       119
       -
             { signingKey: newKey.did() },

     

       120
       120
       -
             newKey,

     

       121
       121
       -
           )

     

       115
       115
       +
           const operation = client.updateAtprotoKey(did, newKey, newKey.did())

     

       122
       116
        
           await expect(operation).rejects.toThrow()

     

       123
       117
        
         })

     

       124
       118
        
       

     

       125
       119
        
         it('allows for recovery through a forked history', async () => {

     

       126
       120
        
           const attackerKey = await EcdsaKeypair.create()

     

       127
       127
       -
           await client.applyPartialOp(

     

       128
       128
       -
             did,

     

       129
       129
       -
             { signingKey: attackerKey.did(), rotationKeys: [attackerKey.did()] },

     

       130
       130
       -
             rotationKey2,

     

       131
       131
       -
           )

     

       121
       121
       +
           await client.updateRotationKeys(did, rotationKey2, [attackerKey.did()])

     

       132
       122
        
       

     

       133
       123
        
           const newKey = await EcdsaKeypair.create()

     

       134
       124
        
           const ops = await client.getOperationLog(did)

     
···

       136
       126
        
           if (!check.is(forkPoint, plc.def.operation)) {

     

       137
       127
        
             throw new Error('Could not find fork point')

     

       138
       128
        
           }

     

       139
       139
       -
           const forkCid = await cidForCbor(forkPoint)

     

       140
       140
       -
           const op = await signOperation(

     

       141
       141
       -
             {

     

       142
       142
       -
               signingKey: signingKey.did(),

     

       143
       143
       -
               rotationKeys: [newKey.did()],

     

       144
       144
       -
               handles: forkPoint.handles,

     

       145
       145
       -
               services: forkPoint.services,

     

       146
       146
       -
               prev: forkCid.toString(),

     

       147
       147
       -
             },

     

       148
       148
       -
             rotationKey1,

     

       149
       149
       -
           )

     

       129
       129
       +
           const op = await plc.updateRotationKeysOp(forkPoint, rotationKey1, [

     

       130
       130
       +
             rotationKey1.did(),

     

       131
       131
       +
             newKey.did(),

     

       132
       132
       +
           ])

     

       150
       133
        
           await client.sendOperation(did, op)

     

       151
       134
        
       

     

       152
       152
       -
           rotationKey1 = newKey

     

       135
       135
       +
           rotationKey2 = newKey

     

       153
       136
        
       

     

       154
       137
        
           const doc = await client.getDocumentData(did)

     

       155
       155
       -
           expect(doc.did).toEqual(did)

     

       156
       156
       -
           expect(doc.signingKey).toEqual(signingKey.did())

     

       157
       157
       -
           expect(doc.rotationKeys).toEqual([newKey.did()])

     

       158
       158
       -
           expect(doc.handles).toEqual([handle])

     

       159
       159
       -
           expect(doc.services).toEqual({ atpPds })

     

       138
       138
       +
           verifyDoc(doc)

     

       160
       139
        
         })

     

       161
       140
        
       

     

       162
       141
        
         it('retrieves the auditable operation log', async () => {

     
···

       185
       164
        
           }

     

       186
       165
        
           await Promise.all(

     

       187
       166
        
             keys.map(async (key, index) => {

     

       188
       188
       -
               await client.create(

     

       189
       189
       -
                 {

     

       190
       190
       -
                   signingKey: key.did(),

     

       191
       191
       -
                   rotationKeys: [key.did()],

     

       192
       192
       -
                   handles: [`user${index}`],

     

       193
       193
       -
                   services: {

     

       194
       194
       -
                     atpPds: `example.com`,

     

       195
       195
       -
                   },

     

       196
       196
       -
                 },

     

       197
       197
       -
                 key,

     

       198
       198
       -
               )

     

       167
       167
       +
               await client.createDid({

     

       168
       168
       +
                 signingKey: key.did(),

     

       169
       169
       +
                 rotationKeys: [key.did()],

     

       170
       170
       +
                 handle: `user${index}`,

     

       171
       171
       +
                 pds: `example.com`,

     

       172
       172
       +
                 signer: key,

     

       173
       173
       +
               })

     

       199
       174
        
             }),

     

       200
       175
        
           )

     

       201
       176
        
         })

     
···

       213
       188
        
           await Promise.all(

     

       214
       189
        
             keys.map(async (key) => {

     

       215
       190
        
               try {

     

       216
       216
       -
                 await client.applyPartialOp(

     

       217
       217
       -
                   did,

     

       218
       218
       -
                   { signingKey: key.did() },

     

       219
       219
       -
                   rotationKey1,

     

       220
       220
       -
                 )

     

       191
       191
       +
                 await client.updateAtprotoKey(did, rotationKey1, key.did())

     

       221
       192
        
                 successes++

     

       222
       193
        
               } catch (err) {

     

       223
       194
        
                 failures++