commit d92d3f76ae719c85a3fd2f76fabace6e5628d58c · edouard.paris/did-method-plc

+35 -10

packages/lib/src/client.ts

···

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       -
       import { cidForCbor } from '@atproto/common'

     

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       +
       import { check, cidForCbor } 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 { didForCreateOp, signOperation } from './operations'

     

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

     

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       import * as t from './types'

     

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       export class Client {

     
···

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         }

     

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         async getDocumentData(did: string): Promise<t.DocumentData> {

     

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           const res = await axios.get(`${this.url}/data/${encodeURIComponent(did)}`)

     

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           const res = await axios.get(`${this.url}/${encodeURIComponent(did)}/data`)

     

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           return res.data

     

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         }

     

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         async getOperationLog(did: string): Promise<t.Operation[]> {

     

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           const res = await axios.get(`${this.url}/log/${encodeURIComponent(did)}`)

     

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           return res.data.log

     

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         async getOperationLog(did: string): Promise<t.CompatibleOpOrTombstone[]> {

     

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           const res = await axios.get(`${this.url}/${encodeURIComponent(did)}/log`)

     

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           return res.data

     

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         }

     

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         async getAuditableLog(did: string): Promise<t.ExportedOp[]> {

     

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           const res = await axios.get(

     

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             `${this.url}/${encodeURIComponent(did)}/log/audit`,

     

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           )

     

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           return res.data

     

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         }

     

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         postOpUrl(did: string): string {

     

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           return `${this.url}/${encodeURIComponent(did)}`

     

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         }

     

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         async getLastOp(did: string): Promise<t.Operation> {

     

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           const res = await axios.get(`${this.url}/last/${encodeURIComponent(did)}`)

     

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         async getLastOp(did: string): Promise<t.CompatibleOpOrTombstone> {

     

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           const res = await axios.get(

     

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             `${this.url}/${encodeURIComponent(did)}/log/last`,

     

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           )

     

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           return res.data

     

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         }

     

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···

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           key: Keypair,

     

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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 prev = await cidForCbor(lastOp)

     

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           const { signingKey, rotationKeys, handles, services } = lastOp

     

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           const { signingKey, rotationKeys, handles, services } = normalizeOp(lastOp)

     

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           const op = await signOperation(

     

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             {

     

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               signingKey,

     
···

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           return did

     

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         }

     

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

     

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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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         async export(after?: string, count?: number): Promise<t.ExportedOp[]> {

     

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           const url = new URL(`${this.url}/export`)

     

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           if (after) {

     

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             url.searchParams.append('after', after)

     

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           }

     

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           if (count !== undefined) {

     

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             url.searchParams.append('count', count.toString(10))

     

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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 health() {

+11

packages/lib/src/types.ts

···

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       })

     

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       export type IndexedOperation = z.infer<typeof indexedOperation>

     

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       export const exportedOp = z.object({

     

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         did: z.string(),

     

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         operation: compatibleOpOrTombstone,

     

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         cid: z.string(),

     

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         nullified: z.boolean(),

     

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         createdAt: z.string(),

     

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       })

     

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       export type ExportedOp = z.infer<typeof exportedOp>

     

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       export const didDocVerificationMethod = z.object({

     

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         id: z.string(),

     

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         type: z.string(),

     
···

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         opOrTombstone,

     

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         compatibleOp,

     

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         compatibleOpOrTombstone,

     

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         indexedOperation,

     

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         exportedOp,

     

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         didDocument,

     

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       }

+1 -1

packages/lib/tests/compatibility.test.ts

···

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           const result = await assureValidNextOp(did, [indexedLegacy], nextOp)

     

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           expect(result.nullified.length).toBe(0)

     

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           expect(result.prev?.equals(legacyCid))

     

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           expect(result.prev?.equals(legacyCid)).toBeTruthy()

     

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         })

     

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       })

+3 -3

packages/lib/tests/recovery.test.ts

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           expect(res.nullified.length).toBe(2)

     

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           expect(res.nullified[0].equals(log[1].cid))

     

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           expect(res.nullified[1].equals(log[2].cid))

     

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           expect(res.prev?.equals(createCid))

     

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           expect(res.prev?.equals(createCid)).toBeTruthy()

     

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           log = [log[0], rotate.indexed]

     

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         })

     
···

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           const res = await data.assureValidNextOp(did, log, rotate.op)

     

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           expect(res.nullified.length).toBe(1)

     

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           expect(res.nullified[0].equals(log[1].cid))

     

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           expect(res.prev?.equals(createCid))

     

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           expect(res.prev?.equals(createCid)).toBeTruthy()

     

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           log = [log[0], rotate.indexed]

     

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         })

     
···

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           )

     

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           expect(result.nullified.length).toBe(1)

     

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           expect(result.nullified[0].equals(cid))

     

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           expect(result.prev?.equals(createCid))

     

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           expect(result.prev?.equals(createCid)).toBeTruthy()

     

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         })

     

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       })

+42 -46

packages/server/src/db/index.ts

···

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       import { Generated, Kysely, Migrator, PostgresDialect, sql } from 'kysely'

     

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       import { Kysely, Migrator, PostgresDialect, sql } from 'kysely'

     

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       import { Pool as PgPool, types as pgTypes } from 'pg'

     

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       import { CID } from 'multiformats/cid'

     

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

     

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       import { cidForCbor } from '@atproto/common'

     

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

     

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       import { ServerError } from '../error'

     

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       import * as migrations from '../migrations'

     

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       import { OpLogExport, PlcDatabase } from './types'

     

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       import { DatabaseSchema, PlcDatabase } from './types'

     

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       import MockDatabase from './mock'

     

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       export * from './mock'

     
···

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         }

     

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         async validateAndAddOp(did: string, proposed: plc.Operation): Promise<void> {

     

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           const ops = await this._opsForDid(did)

     

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           const ops = await this.indexedOpsForDid(did)

     

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           // throws if invalid

     

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           const { nullified, prev } = await plc.assureValidNextOp(did, ops, proposed)

     

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           const cid = await cidForCbor(proposed)

     
···

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           return found ? CID.parse(found.cid) : null

     

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         }

     

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         async opsForDid(did: string): Promise<plc.OpOrTombstone[]> {

     

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           const ops = await this._opsForDid(did)

     

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           return ops.map((op) => {

     

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             if (check.is(op.operation, plc.def.createOpV1)) {

     

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               return plc.normalizeOp(op.operation)

     

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             }

     

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             return op.operation

     

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       -
           })

     

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         async opsForDid(did: string): Promise<plc.CompatibleOpOrTombstone[]> {

     

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           const ops = await this.indexedOpsForDid(did)

     

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           return ops.map((op) => op.operation)

     

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         }

     

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         async _opsForDid(did: string): Promise<plc.IndexedOperation[]> {

     

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           const res = await this.db

     

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         async indexedOpsForDid(

     

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           did: string,

     

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           includeNullified = false,

     

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       +
         ): Promise<plc.IndexedOperation[]> {

     

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           let builder = this.db

     

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             .selectFrom('operations')

     

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             .selectAll()

     

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             .where('did', '=', did)

     

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             .where('nullified', '=', false)

     

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             .orderBy('createdAt', 'asc')

     

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             .execute()

     

       179
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       -
       

     

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           if (!includeNullified) {

     

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             builder = builder.where('nullified', '=', false)

     

       177
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       +
           }

     

       178
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           const res = await builder.execute()

     

       180
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           return res.map((row) => ({

     

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             did: row.did,

     

       182
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             operation: row.operation,

     
···

       186
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           }))

     

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         }

     

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         async fullExport(): Promise<Record<string, OpLogExport>> {

     

       190
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           return {}

     

       191
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           //   const res = await this.db

     

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           //     .selectFrom('operations')

     

       193
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           //     .selectAll()

     

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           //     .orderBy('did')

     

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           //     .orderBy('createdAt')

     

       196
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           //     .execute()

     

       197
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           //   return res.reduce((acc, cur) => {

     

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       -
           //     acc[cur.did] ??= []

     

       199
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       -
           //     acc[cur.did].push({

     

       200
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           //       op: cur.operation),

     

       201
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           //       nullified: cur.nullified === 1,

     

       202
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           //       createdAt: cur.createdAt,

     

       203
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       -
           //     })

     

       204
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           //     return acc

     

       205
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       -
           //   }, {} as Record<string, OpLogExport>)

     

       188
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       +
         async lastOpForDid(did: string): Promise<plc.CompatibleOpOrTombstone | null> {

     

       189
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       +
           const res = await this.db

     

       190
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       +
             .selectFrom('operations')

     

       191
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       +
             .selectAll()

     

       192
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       +
             .where('did', '=', did)

     

       193
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       +
             .where('nullified', '=', false)

     

       194
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       +
             .orderBy('createdAt', 'desc')

     

       195
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       +
             .limit(1)

     

       196
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       +
             .executeTakeFirst()

     

       197
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       +
           return res?.operation ?? null

     

       206
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         }

     

       207
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       -
       }

     

       208
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       209
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       -
       export default Database

     

       210
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       -
       

     

       211
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       interface OperationsTable {

     

       212
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         did: string

     

       213
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         operation: plc.CompatibleOpOrTombstone

     

       214
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       -
         cid: string

     

       215
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       -
         nullified: boolean

     

       216
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       -
         createdAt: Generated<Date>

     

       200
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       +
         async exportOps(count: number, after?: Date): Promise<plc.ExportedOp[]> {

     

       201
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       +
           let builder = this.db

     

       202
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       +
             .selectFrom('operations')

     

       203
       203
       +
             .selectAll()

     

       204
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       +
             .orderBy('createdAt', 'asc')

     

       205
       205
       +
             .limit(count)

     

       206
       206
       +
           if (after) {

     

       207
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       +
             builder = builder.where('createdAt', '>', after)

     

       208
       208
       +
           }

     

       209
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       +
           const res = await builder.execute()

     

       210
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       +
           return res.map((row) => ({

     

       211
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       +
             ...row,

     

       212
       212
       +
             createdAt: row.createdAt.toISOString(),

     

       213
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       +
           }))

     

       214
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       +
         }

     

       217
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       }

     

       218
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       219
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       -
       interface DatabaseSchema {

     

       220
       220
       -
         operations: OperationsTable

     

       221
       221
       -
       }

     

       217
       217
       +
       export default Database

+22 -7

packages/server/src/db/mock.ts

···

       1
       1
        
       import { cidForCbor, check } from '@atproto/common'

     

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

     

       3
       3
        
       import { ServerError } from '../error'

     

       4
       4
       -
       import { OpLogExport, PlcDatabase } from './types'

     

       4
       4
       +
       import { PlcDatabase } from './types'

     

       5
       5
        
       

     

       6
       6
        
       type Contents = Record<string, plc.IndexedOperation[]>

     

       7
       7
        
       

     
···

       43
       43
        
           }

     

       44
       44
        
         }

     

       45
       45
        
       

     

       46
       46
       -
         async opsForDid(did: string): Promise<plc.OpOrTombstone[]> {

     

       47
       47
       -
           const ops = await this._opsForDid(did)

     

       46
       46
       +
         async opsForDid(did: string): Promise<plc.CompatibleOpOrTombstone[]> {

     

       47
       47
       +
           const ops = await this.indexedOpsForDid(did)

     

       48
       48
        
           return ops.map((op) => {

     

       49
       49
        
             if (check.is(op.operation, plc.def.createOpV1)) {

     

       50
       50
        
               return plc.normalizeOp(op.operation)

     
···

       53
       53
        
           })

     

       54
       54
        
         }

     

       55
       55
        
       

     

       56
       56
       -
         async _opsForDid(did: string): Promise<plc.IndexedOperation[]> {

     

       57
       57
       -
           return this.contents[did] ?? []

     

       56
       56
       +
         async indexedOpsForDid(

     

       57
       57
       +
           did: string,

     

       58
       58
       +
           includeNull = false,

     

       59
       59
       +
         ): Promise<plc.IndexedOperation[]> {

     

       60
       60
       +
           const ops = this.contents[did] ?? []

     

       61
       61
       +
           if (includeNull) {

     

       62
       62
       +
             return ops

     

       63
       63
       +
           }

     

       64
       64
       +
           return ops.filter((op) => op.nullified === false)

     

       65
       65
       +
         }

     

       66
       66
       +
       

     

       67
       67
       +
         async lastOpForDid(did: string): Promise<plc.CompatibleOpOrTombstone | null> {

     

       68
       68
       +
           const op = this.contents[did]?.at(-1)

     

       69
       69
       +
       

     

       70
       70
       +
           if (!op) return null

     

       71
       71
       +
           return op.operation

     

       58
       72
        
         }

     

       59
       73
        
       

     

       60
       60
       -
         async fullExport(): Promise<Record<string, OpLogExport>> {

     

       61
       61
       -
           return {}

     

       74
       74
       +
         // disabled in mocks

     

       75
       75
       +
         async exportOps(_count: number, _after?: Date): Promise<plc.ExportedOp[]> {

     

       76
       76
       +
           return []

     

       62
       77
        
         }

     

       63
       78
        
       }

     

       64
       79

+17 -8

packages/server/src/db/types.ts

···

       1
       1
        
       import * as plc from '@did-plc/lib'

     

       2
       2
       +
       import { Generated } from 'kysely'

     

       2
       3
        
       

     

       3
       4
        
       export interface PlcDatabase {

     

       4
       5
        
         close(): Promise<void>

     

       5
       6
        
         healthCheck(): Promise<void>

     

       6
       7
        
         validateAndAddOp(did: string, proposed: plc.Operation): Promise<void>

     

       7
       7
       -
         opsForDid(did: string): Promise<plc.OpOrTombstone[]>

     

       8
       8
       -
         _opsForDid(did: string): Promise<plc.IndexedOperation[]>

     

       9
       9
       -
         fullExport(): Promise<Record<string, OpLogExport>>

     

       8
       8
       +
         opsForDid(did: string): Promise<plc.CompatibleOpOrTombstone[]>

     

       9
       9
       +
         indexedOpsForDid(

     

       10
       10
       +
           did: string,

     

       11
       11
       +
           includeNull?: boolean,

     

       12
       12
       +
         ): Promise<plc.IndexedOperation[]>

     

       13
       13
       +
         lastOpForDid(did: string): Promise<plc.CompatibleOpOrTombstone | null>

     

       14
       14
       +
         exportOps(count: number, after?: Date): Promise<plc.ExportedOp[]>

     

       10
       15
        
       }

     

       11
       16
        
       

     

       12
       12
       -
       export type OpLogExport = OpExport[]

     

       13
       13
       -
       

     

       14
       14
       -
       export type OpExport = {

     

       15
       15
       -
         op: Record<string, unknown>

     

       17
       17
       +
       export interface OperationsTable {

     

       18
       18
       +
         did: string

     

       19
       19
       +
         operation: plc.CompatibleOpOrTombstone

     

       20
       20
       +
         cid: string

     

       16
       21
        
         nullified: boolean

     

       17
       17
       -
         createdAt: string

     

       22
       22
       +
         createdAt: Generated<Date>

     

       23
       23
       +
       }

     

       24
       24
       +
       

     

       25
       25
       +
       export interface DatabaseSchema {

     

       26
       26
       +
         operations: OperationsTable

     

       18
       27
        
       }

+36 -13

packages/server/src/routes.ts

···

       18
       18
        
           res.send({ version })

     

       19
       19
        
         })

     

       20
       20
        
       

     

       21
       21
       -
         // @TODO paginate & test this

     

       21
       21
       +
         // Export ops in the form of paginated json lines

     

       22
       22
        
         router.get('/export', async function (req, res) {

     

       23
       23
       -
           const fullExport = await ctx.db.fullExport()

     

       23
       23
       +
           const parsedCount = req.count ? parseInt(req.count, 10) : 1000

     

       24
       24
       +
           if (isNaN(parsedCount) || parsedCount < 1) {

     

       25
       25
       +
             throw new ServerError(400, 'Invalid count parameter')

     

       26
       26
       +
           }

     

       27
       27
       +
           const count = Math.min(parsedCount, 1000)

     

       28
       28
       +
           const after = req.query.after ? new Date(req.query.after) : undefined

     

       29
       29
       +
           const ops = await ctx.db.exportOps(count, after)

     

       24
       30
        
           res.setHeader('content-type', 'application/jsonlines')

     

       25
       31
        
           res.status(200)

     

       26
       26
       -
           for (const [did, ops] of Object.entries(fullExport)) {

     

       27
       27
       -
             const line = JSON.stringify({ did, ops })

     

       32
       32
       +
           for (let i = 0; i < ops.length; i++) {

     

       33
       33
       +
             if (i > 0) {

     

       34
       34
       +
               res.write('\n')

     

       35
       35
       +
             }

     

       36
       36
       +
             const line = JSON.stringify(ops[i])

     

       28
       37
        
             res.write(line)

     

       29
       29
       -
             res.write('\n')

     

       30
       38
        
           }

     

       31
       39
        
           res.end()

     

       32
       40
        
         })

     
···

       48
       56
        
         })

     

       49
       57
        
       

     

       50
       58
        
         // Get data for a DID document

     

       51
       51
       -
         router.get('/data/:did', async function (req, res) {

     

       59
       59
       +
         router.get('/:did/data', async function (req, res) {

     

       52
       60
        
           const { did } = req.params

     

       53
       61
        
           const log = await ctx.db.opsForDid(did)

     

       54
       62
        
           if (log.length === 0) {

     
···

       62
       70
        
         })

     

       63
       71
        
       

     

       64
       72
        
         // Get operation log for a DID

     

       65
       65
       -
         router.get('/log/:did', async function (req, res) {

     

       73
       73
       +
         router.get('/:did/log', async function (req, res) {

     

       66
       74
        
           const { did } = req.params

     

       67
       75
        
           const log = await ctx.db.opsForDid(did)

     

       68
       76
        
           if (log.length === 0) {

     

       69
       77
        
             throw new ServerError(404, `DID not registered: ${did}`)

     

       70
       78
        
           }

     

       71
       71
       -
           res.json({ log })

     

       79
       79
       +
           res.json(log)

     

       80
       80
       +
         })

     

       81
       81
       +
       

     

       82
       82
       +
         // Get operation log for a DID

     

       83
       83
       +
         router.get('/:did/log/audit', async function (req, res) {

     

       84
       84
       +
           const { did } = req.params

     

       85
       85
       +
           const ops = await ctx.db.indexedOpsForDid(did, true)

     

       86
       86
       +
           if (ops.length === 0) {

     

       87
       87
       +
             throw new ServerError(404, `DID not registered: ${did}`)

     

       88
       88
       +
           }

     

       89
       89
       +
           const log = ops.map((op) => ({

     

       90
       90
       +
             ...op,

     

       91
       91
       +
             cid: op.cid.toString(),

     

       92
       92
       +
             createdAt: op.createdAt.toISOString(),

     

       93
       93
       +
           }))

     

       94
       94
       +
       

     

       95
       95
       +
           res.json(log)

     

       72
       96
        
         })

     

       73
       97
        
       

     

       74
       98
        
         // Get the most recent operation in the log for a DID

     

       75
       75
       -
         router.get('/last/:did', async function (req, res) {

     

       99
       99
       +
         router.get('/:did/log/last', async function (req, res) {

     

       76
       100
        
           const { did } = req.params

     

       77
       77
       -
           const log = await ctx.db.opsForDid(did)

     

       78
       78
       -
           const curr = log.at(-1)

     

       79
       79
       -
           if (!curr) {

     

       101
       101
       +
           const last = await ctx.db.lastOpForDid(did)

     

       102
       102
       +
           if (!last) {

     

       80
       103
        
             throw new ServerError(404, `DID not registered: ${did}`)

     

       81
       104
        
           }

     

       82
       82
       -
           res.json(curr)

     

       105
       105
       +
           res.json(last)

     

       83
       106
        
         })

     

       84
       107
        
       

     

       85
       108
        
         // Update or create a DID doc

+23 -2

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 { cidForCbor } from '@atproto/common'

     

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

     

       5
       5
        
       import { AxiosError } from 'axios'

     

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

     

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

     
···

       133
       133
        
           const newKey = await EcdsaKeypair.create()

     

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

     

       135
       135
        
           const forkPoint = ops.at(-2)

     

       136
       136
       -
           if (!forkPoint) {

     

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

     

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

     

       138
       138
        
           }

     

       139
       139
        
           const forkCid = await cidForCbor(forkPoint)

     
···

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

     

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

     

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

     

       160
       160
       +
         })

     

       161
       161
       +
       

     

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

     

       163
       163
       +
           const log = await client.getOperationLog(did)

     

       164
       164
       +
           const auditable = await client.getAuditableLog(did)

     

       165
       165
       +
           // has one nullifed op

     

       166
       166
       +
           expect(auditable.length).toBe(log.length + 1)

     

       167
       167
       +
           expect(auditable.filter((op) => op.nullified).length).toBe(1)

     

       168
       168
       +
           expect(auditable.at(-2)?.nullified).toBe(true)

     

       169
       169
       +
           expect(

     

       170
       170
       +
             auditable.every((op) => check.is(op, plc.def.exportedOp)),

     

       171
       171
       +
           ).toBeTruthy()

     

       160
       172
        
         })

     

       161
       173
        
       

     

       162
       174
        
         it('retrieves the did doc', async () => {

     
···

       217
       229
        
       

     

       218
       230
        
           const ops = await client.getOperationLog(did)

     

       219
       231
        
           await plc.validateOperationLog(did, ops)

     

       232
       232
       +
         })

     

       233
       233
       +
       

     

       234
       234
       +
         it('exports the data set', async () => {

     

       235
       235
       +
           const data = await client.export()

     

       236
       236
       +
           expect(data.every((row) => check.is(row, plc.def.exportedOp))).toBeTruthy()

     

       237
       237
       +
           expect(data.length).toBe(58)

     

       238
       238
       +
           for (let i = 1; i < data.length; i++) {

     

       239
       239
       +
             expect(data[i].createdAt >= data[i - 1].createdAt).toBeTruthy()

     

       240
       240
       +
           }

     

       220
       241
        
         })

     

       221
       242
        
       

     

       222
       243
        
         it('healthcheck succeeds when database is available.', async () => {