oceanprotocol
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squid-js
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implemented proof generator on DDO

This commit is contained in:
Pedro Gutiérrez 2019-02-04 16:26:56 +01:00 committed by Pedro Gutiérrez
parent 494b9e7d1b
commit d365650a7a
7 changed files with 420 additions and 123 deletions
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301
package-lock.json generated
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2
package.json
View File

@ -69,9 +69,11 @@
},
"devDependencies": {
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"@types/chai-spies": "^1.0.0",
"@types/mocha": "^5.2.5",
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"nyc": "^13.1.0",

59
src/ddo/DDO.ts
View File

@ -2,6 +2,8 @@ import { Authentication } from "./Authentication"
import { PublicKey } from "./PublicKey"
import { Service } from "./Service"
import { Proof } from "./Proof"
import Web3Provider from '../keeper/Web3Provider'
import * as signatureHelpers from "../utils/SignatureHelpers"
/**
* DID Descriptor Object.
@ -26,7 +28,7 @@ export class DDO {
public static deserialize(ddoString: string): DDO {
const ddo = JSON.parse(ddoString)
return ddo as DDO
return new DDO(ddo)
}
public "@context": string = "https://w3id.org/future-method/v1"
@ -77,4 +79,59 @@ export class DDO {
return service
}
/**
* Generate the checksum using the current content.
* @return {string[]} DDO checksum.
*/
public getChecksum(): string {
const web3 = Web3Provider.getWeb3()
const {metadata} = this.findServiceByType('Metadata')
const {files, name, author, license} = metadata.base
const values = [
...files
.map(({checksum}) => checksum)
.filter(_ => !!_),
name,
author,
license,
this.id,
]
return web3.utils.sha3(values.join(''))
}
/**
* Generates proof using personal sing.
* @param {string} publicKey Public key to be used on personal sign.
* @param {string} password Password if it's requirted.
* @return {Promise<Proof>} Proof object.
*/
public async generateProof(publicKey: string, password?: string): Promise<Proof> {
const checksum = this.getChecksum();
const signature = await signatureHelpers.signText(checksum, publicKey, password)
return {
created: (new Date()).toISOString(),
creator: publicKey,
type: "DDOIntegritySignature",
signatureValue: signature,
}
}
/**
* Generates and adds a proof using personal sing on the DDO.
* @param {string} publicKey Public key to be used on personal sign.
* @param {string} password Password if it's requirted.
* @return {Promise<Proof>} Proof object.
*/
public async addProof(publicKey: string, password?: string): Promise<void> {
if (this.proof) {
throw new Error('Proof already exists')
}
this.proof = await this.generateProof(publicKey, password)
}
}

28
src/ddo/MetaData.ts
View File

@ -1,3 +1,11 @@
export interface File {
url: string
checksum?: string
checksumType?: string
contentLength?: string
resourceId?: string
}
/**
* Base attributes of Assets Metadata.
* @see https://github.com/oceanprotocol/OEPs/tree/master/8#base-attributes
@ -140,6 +148,18 @@ export class MetaDataBase {
* @example 10
*/
price: number
/**
* Array of File objects including the encrypted file urls and some additional information.
* @type {File[]}
*/
files: File[]
/**
* SHA3 hash of concatenated values: [list of all file checksums] + name + author + license + did
* @type {string}
*/
checksum: string
}
/**
@ -192,14 +212,6 @@ export interface AdditionalInformation {
uri: string
mediaType: string
}[]
/**
* Checksum of attributes to be able to compare if there are changes in
* the asset that you are purchasing.
* @type {string}
*/
checksum: string
}
export interface MetaData {

142
test/ddo/DDO.test.ts
View File

@ -1,60 +1,66 @@
import {assert} from "chai"
import { Authentication} from "../../src/ddo/Authentication"
import { assert, expect, use, spy } from "chai"
import * as spies from "chai-spies"
import { DDO } from "../../src/ddo/DDO"
import { MetaData, MetaDataBase, Curation, AdditionalInformation } from "../../src/ddo/MetaData"
import { PublicKey } from "../../src/ddo/PublicKey"
import { Service } from "../../src/ddo/Service"
import ConfigProvider from "../../src/ConfigProvider"
import config from "../config"
import * as signatureHelpers from "../../src/utils/SignatureHelpers"
import * as jsonDDO from "../testdata/ddo.json"
use(spies);
describe("DDO", () => {
const testDDO: DDO = new DDO({
id: `did:op:${"a".repeat(64)}`,
publicKey: [
{
id: "did:op:123456789abcdefghi#keys-1",
type: "RsaVerificationKey2018",
owner: "did:op:123456789abcdefghi",
publicKeyPem: "-----BEGIN PUBLIC KEY...END PUBLIC KEY-----\r\n",
} as PublicKey,
},
{
id: "did:op:123456789abcdefghi#keys-2",
type: "Ed25519VerificationKey2018",
owner: "did:op:123456789abcdefghi",
publicKeyBase58: "H3C2AVvLMv6gmMNam3uVAjZpfkcJCwDwnZn6z3wXmqPV",
} as PublicKey,
},
],
authentication: [
{
type: "RsaSignatureAuthentication2018",
publicKey: "did:op:123456789abcdefghi#keys-1",
} as Authentication,
},
{
type: "ieee2410Authentication2018",
publicKey: "did:op:123456789abcdefghi#keys-2",
} as Authentication,
},
],
service: [
{
type: "OpenIdConnectVersion1.0Service",
serviceEndpoint: "https://openid.example.com/",
} as Service,
},
{
type: "CredentialRepositoryService",
serviceEndpoint: "https://repository.example.com/service/8377464",
} as Service,
},
{
type: "XdiService",
serviceEndpoint: "https://xdi.example.com/8377464",
} as Service,
},
{
type: "HubService",
serviceEndpoint: "https://hub.example.com/.identity/did:op:0123456789abcdef/",
} as Service,
},
{
type: "MessagingService",
serviceEndpoint: "https://example.com/messages/8377464",
} as Service,
{
},
<any>{
type: "SocialWebInboxService",
serviceEndpoint: "https://social.example.com/83hfh37dj",
description: "My public social inbox",
@ -62,22 +68,22 @@ describe("DDO", () => {
amount: "0.50",
currency: "USD",
},
} as Service,
},
{
id: "did:op:123456789abcdefghi;bops",
type: "BopsService",
serviceEndpoint: "https://bops.example.com/enterprise/",
} as Service,
},
{
type: "Consume",
// tslint:disable-next-line
serviceEndpoint: "http://mybrizo.org/api/v1/brizo/services/consume?pubKey=${pubKey}&serviceId={serviceId}&url={url}",
} as Service,
},
{
type: "Compute",
// tslint:disable-next-line
serviceEndpoint: "http://mybrizo.org/api/v1/brizo/services/compute?pubKey=${pubKey}&serviceId={serviceId}&algo={algo}&container={container}",
} as Service,
},
{
type: "Metadata",
serviceEndpoint: "http://myaquarius.org/api/v1/provider/assets/metadata/{did}",
@ -115,12 +121,29 @@ describe("DDO", () => {
inLanguage: "en",
tags: "weather, uk, 2011, temperature, humidity",
price: 10,
} as MetaDataBase,
files: [
{
url: "234ab87234acbd09543085340abffh21983ddhiiee982143827423421",
checksum: "efb2c764274b745f5fc37f97c6b0e761",
contentLength: "4535431",
resourceId: "access-log2018-02-13-15-17-29-18386C502CAEA932"
},
{
url: "234ab87234acbd6894237582309543085340abffh21983ddhiiee982143827423421",
checksum: "085340abffh21495345af97c6b0e761",
contentLength: "12324"
},
{
url: "80684089027358963495379879a543085340abffh21983ddhiiee982143827abcc2"
}
],
checksum: ""
},
curation: {
rating: 0.93,
numVotes: 123,
schema: "Binary Votting",
} as Curation,
},
additionalInformation: {
updateFrecuency: "yearly",
structuredMarkup: [
@ -133,12 +156,20 @@ describe("DDO", () => {
mediaType: "text/turtle",
},
],
} as AdditionalInformation,
} as MetaData,
},
},
},
],
})
before(async () => {
ConfigProvider.setConfig(config)
})
afterEach(() => {
spy.restore()
})
describe("#serialize()", () => {
it("should properly serialize", async () => {
@ -163,13 +194,13 @@ describe("DDO", () => {
it("should create an predefined ddo", async () => {
const service: Service = {
const service: Partial<Service> = {
serviceEndpoint: "http://",
description: "nice service",
} as Service
}
const ddo = new DDO({
service: [service],
service: [<any>service],
})
assert(ddo)
@ -186,13 +217,13 @@ describe("DDO", () => {
it("should properly deserialize from serialized object", async () => {
const ddoString = DDO.serialize(testDDO)
assert(ddoString)
assert.typeOf(ddoString, 'string')
const ddo: DDO = DDO.deserialize(ddoString)
assert(ddo)
assert.instanceOf(ddo, DDO)
assert(ddo.id === testDDO.id)
assert(ddo.publicKey[0].publicKeyPem === testDDO.publicKey[0].publicKeyPem)
assert.equal(ddo.id, testDDO.id)
assert.equal(ddo.publicKey[0].publicKeyPem, testDDO.publicKey[0].publicKeyPem)
})
it("should properly deserialize from json file", async () => {
@ -200,8 +231,57 @@ describe("DDO", () => {
const ddo: DDO = DDO.deserialize(JSON.stringify(jsonDDO))
assert(ddo)
assert(ddo.id === jsonDDO.id)
assert(ddo.publicKey[0].publicKeyPem === jsonDDO.publicKey[0].publicKeyPem)
assert.equal(ddo.id, jsonDDO.id)
assert.equal(ddo.publicKey[0].publicKeyPem, jsonDDO.publicKey[0].publicKeyPem)
})
})
describe("#getChecksum()", () => {
it("should properly generate a the checksum DDO", async () => {
const ddo = new DDO(testDDO)
const checksum = ddo.getChecksum()
assert.equal(checksum, "0x15f27a7a3c7b15d2b06dec7347c6b8da168adddd7df51a8ebbbe87b59b80049b")
})
})
describe("#generateProof()", () => {
const publicKey = `0x${'a'.repeat(40)}`
const signature = `0x${'a'.repeat(130)}`
it("should properly generate the proof", async () => {
const signTextSpy = spy.on(signatureHelpers, 'signText', () => signature)
const ddo = new DDO(testDDO)
const checksum = ddo.getChecksum()
const proof = await ddo.generateProof(publicKey)
assert.include(<any>proof, {
creator: publicKey,
type: 'DDOIntegritySignature',
signatureValue: signature,
})
expect(signTextSpy).to.have.been.called.with(checksum, publicKey)
})
})
describe("#addProof()", () => {
const publicKey = `0x${'a'.repeat(40)}`
it("should properly add the proof on the DDO", async () => {
const fakeProof = <any>{
creation: Date.now(),
creator: 'test',
type: 'test',
signaturValue: 'test'
}
const ddo = new DDO(testDDO)
const generateProofSpy = spy.on(ddo, 'generateProof', () => fakeProof)
await ddo.addProof(publicKey)
assert.equal(ddo.proof, fakeProof)
expect(generateProofSpy).to.have.been.called.with(publicKey)
})
})
})

3
test/testdata/MetaData.ts vendored
View File

@ -34,6 +34,8 @@ export const metadataMock: MetaData = {
inLanguage: "en",
tags: "weather, uk, 2011, temperature, humidity",
price: 10,
files: [],
checksum: ""
},
curation: {
rating: 0.93,
@ -42,7 +44,6 @@ export const metadataMock: MetaData = {
},
additionalInformation: {
updateFrecuency: "yearly",
checksum: "",
structuredMarkup: [
{
uri: "http://skos.um.es/unescothes/C01194/jsonld",

8
test/utils/SignatureHelpers.test.ts
View File

@ -10,13 +10,16 @@ use(spies);
describe("SignatureHelpers", () => {
const publicKey = "0x00Bd138aBD70e2F00903268F3Db08f2D25677C9e"
const publicKey = `0x${'a'.repeat(40)}`
const text = "0123456789abcde"
const signature = `0x${'a'.repeat(130)}`
before(async () => {
ConfigProvider.setConfig(config)
})
afterEach(() => {
spy.restore()
})
describe("#signText", () => {
let personalSignSpy
@ -25,9 +28,6 @@ describe("SignatureHelpers", () => {
const web3 = Web3Provider.getWeb3()
personalSignSpy = spy.on(web3.eth.personal, 'sign', () => signature)
})
afterEach(() => {
spy.restore()
})
it("should sign a text as expected", async () => {
const signed = await signText(text, publicKey)