mirror of
https://github.com/oceanprotocol-archive/squid-js.git
synced 2024-02-02 15:31:51 +01:00
184 lines
6.3 KiB
TypeScript
184 lines
6.3 KiB
TypeScript
import Aquarius from "../aquarius/Aquarius"
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import AquariusProvider from "../aquarius/AquariusProvider"
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import SearchQuery from "../aquarius/query/SearchQuery"
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import Brizo from "../brizo/Brizo"
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import BrizoProvider from "../brizo/BrizoProvider"
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import ConfigProvider from "../ConfigProvider"
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import Authentication from "../ddo/Authentication"
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import DDOCondition from "../ddo/Condition"
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import DDO from "../ddo/DDO"
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import MetaData from "../ddo/MetaData"
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import Parameter from "../ddo/Parameter"
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import Service from "../ddo/Service"
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import Keeper from "../keeper/Keeper"
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import Web3Provider from "../keeper/Web3Provider"
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import Config from "../models/Config"
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import ValuePair from "../models/ValuePair"
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import ValueType from "../models/ValueType"
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import SecretStoreProvider from "../secretstore/SecretStoreProvider"
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import Account from "./Account"
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import IdGenerator from "./IdGenerator"
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import Condition from "./ServiceAgreements/Condition"
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import ServiceAgreement from "./ServiceAgreements/ServiceAgreement"
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import ServiceAgreementTemplate from "./ServiceAgreements/ServiceAgreementTemplate"
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import Access from "./ServiceAgreements/Templates/Access"
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export default class Ocean {
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public static async getInstance(config: Config) {
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if (!Ocean.instance) {
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ConfigProvider.setConfig(config)
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Ocean.instance = new Ocean()
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Ocean.instance.keeper = await Keeper.getInstance()
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Ocean.instance.aquarius = await AquariusProvider.getAquarius()
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Ocean.instance.brizo = await BrizoProvider.getBrizo()
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}
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return Ocean.instance
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}
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private static instance = null
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private keeper: Keeper
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private aquarius: Aquarius
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private brizo: Brizo
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private constructor() {
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}
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public async getAccounts(): Promise<Account[]> {
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// retrieve eth accounts
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const ethAccounts = await Web3Provider.getWeb3().eth.getAccounts()
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return ethAccounts.map((address: string) => new Account(address))
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}
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public async registerAsset(metadata: MetaData, publisher: Account): Promise<DDO> {
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const {didRegistry} = this.keeper
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const id: string = IdGenerator.generateId()
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const did: string = `did:op:${id}`
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const serviceDefinitionId: string = IdGenerator.generatePrefixedId()
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metadata.base.contentUrls = await Promise.all(metadata.base.contentUrls.map(async (contentUrl) => {
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const encryptedUrl: string = await SecretStoreProvider.getSecretStore().encryptDocument(id, contentUrl)
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return encryptedUrl
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}))
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const template = new Access()
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const serviceAgreementTemplate = new ServiceAgreementTemplate(template)
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// get condition keys from template
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const conditions: Condition[] = await serviceAgreementTemplate.getConditions()
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// create ddo conditions out of the keys
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const ddoConditions: DDOCondition[] = conditions.map((condition: Condition): DDOCondition => {
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return {
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name: condition.methodReflection.methodName,
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timeout: condition.timeout,
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conditionKey: condition.condtionKey,
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parameters: condition.methodReflection.inputs.map((input: ValuePair) => {
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return {
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...input,
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value: "xxx",
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} as Parameter
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}),
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} as DDOCondition
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})
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const serviceEndpoint = this.aquarius.getServiceEndpoint(did)
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// create ddo itself
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const ddo: DDO = new DDO({
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authentication: [{
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type: "RsaSignatureAuthentication2018",
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publicKey: did + "#keys-1",
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} as Authentication],
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id: did,
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publicKey: [
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{
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id: did + "#keys-1",
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},
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{
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type: "Ed25519VerificationKey2018",
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},
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{
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owner: did,
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},
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{
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publicKeyBase58: publisher.getId(),
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},
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],
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service: [
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{
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type: template.templateName,
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purchaseEndpoint: this.brizo.getPurchaseEndpoint(),
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// the id of the service agreement?
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serviceDefinitionId,
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// the id of the service agreement template
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templateId: serviceAgreementTemplate.getId(),
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conditions: ddoConditions,
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} as Service,
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{
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serviceEndpoint: this.brizo.getConsumeEndpoint(publisher.getId(),
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serviceDefinitionId, metadata.base.contentUrls[0]),
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type: "Consume",
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} as Service,
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{
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serviceEndpoint: this.brizo.getComputeEndpoint(publisher.getId(),
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serviceDefinitionId, "xxx", "xxx"),
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type: "Consume",
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} as Service,
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{
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type: "Metadata",
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metadata,
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serviceEndpoint,
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} as Service,
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],
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})
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const storedDdo = await this.aquarius.storeDDO(ddo)
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await didRegistry.registerAttribute(id, ValueType.DID, "Metadata", serviceEndpoint,
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publisher.getId())
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return storedDdo
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}
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public async purchase(did: string, consumer: Account): Promise<ServiceAgreement> {
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const ddo = await AquariusProvider.getAquarius().retrieveDDO(did)
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const id = did.replace("did:op:", "")
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const serviceAgreementId: string = IdGenerator.generateId()
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const serviceAgreement: ServiceAgreement = await ServiceAgreement.signServiceAgreement(id,
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// todo get publisher from ddo
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ddo, serviceAgreementId, consumer, new Account())
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return serviceAgreement
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}
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public async searchAssets(query: SearchQuery): Promise<any[]> {
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return this.aquarius.queryMetadata(query)
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}
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public async searchAssetsByText(text: string): Promise<any[]> {
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return this.aquarius.queryMetadataByText({
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text,
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page: 1,
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offset: 100,
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query: {
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value: 1,
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},
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sort: {
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value: 1,
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},
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} as SearchQuery)
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}
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}
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