mirror of
https://github.com/oceanprotocol-archive/squid-js.git
synced 2024-02-02 15:31:51 +01:00
277 lines
9.9 KiB
TypeScript
277 lines
9.9 KiB
TypeScript
import AquariusProvider from "../aquarius/AquariusProvider"
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import SearchQuery from "../aquarius/query/SearchQuery"
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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 Event from "../ddo/Event"
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import EventHandlers from "../ddo/EventHandlers"
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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 ValueType from "../models/ValueType"
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import SecretStoreProvider from "../secretstore/SecretStoreProvider"
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import Logger from "../utils/Logger"
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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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}
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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 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 resolveDID(did): Promise<DDO> {
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return AquariusProvider.getAquarius().retrieveDDO(did)
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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 aquarius = AquariusProvider.getAquarius()
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const brizo = BrizoProvider.getBrizo()
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const assetId: string = IdGenerator.generateId()
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const did: string = `did:op:${assetId}`
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const accessServiceDefinitionId: string = "0"
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const computeServiceDefintionId: string = "1"
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const metadataServiceDefinitionId: string = "2"
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metadata.base.contentUrls =
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[await SecretStoreProvider.getSecretStore().encryptDocument(assetId, metadata.base.contentUrls)]
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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
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.map((condition: Condition, index: number): DDOCondition => {
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const events: Event[] = [
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{
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name: "PaymentReleased",
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actorType: [
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"consumer",
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],
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handlers: {
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moduleName: "serviceAgreement",
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functionName: "fulfillAgreement",
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version: "0.1",
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} as EventHandlers,
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} as Event,
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]
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const mapParameterValueToName = (name) => {
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switch (name) {
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case "price":
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return metadata.base.price
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case "assetId":
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return "0x" + assetId
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case "documentKeyId":
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return "0x" + assetId
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}
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return null
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}
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const parameters: Parameter[] = condition.parameters.map((parameter: Parameter) => {
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return {
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name: parameter.name,
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type: parameter.type,
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value: mapParameterValueToName(parameter.name),
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} as Parameter
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})
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// Logger.log(`${condition.methodReflection.contractName}.${condition.methodReflection.methodName}`,
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// JSON.stringify(parameters, null, 2))
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return {
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contractName: condition.methodReflection.contractName,
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methodName: condition.methodReflection.methodName,
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timeout: condition.timeout,
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index,
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conditionKey: condition.condtionKey,
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parameters,
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events,
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dependencies: condition.dependencies,
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dependencyTimeoutFlags: condition.dependencyTimeoutFlags,
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isTerminalCondition: condition.isTerminalCondition,
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} as DDOCondition
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})
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const serviceEndpoint = 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: await publisher.getPublicKey(),
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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: brizo.getPurchaseEndpoint(),
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serviceEndpoint: brizo.getConsumeEndpoint(publisher.getId(),
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accessServiceDefinitionId, metadata.base.contentUrls[0]),
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// the id of the service agreement?
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serviceDefinitionId: accessServiceDefinitionId,
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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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type: "Compute",
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serviceEndpoint: brizo.getComputeEndpoint(publisher.getId(),
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computeServiceDefintionId, "xxx", "xxx"),
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serviceDefinitionId: computeServiceDefintionId,
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} as Service,
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{
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type: "Metadata",
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serviceEndpoint,
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serviceDefinitionId: metadataServiceDefinitionId,
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metadata,
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} as Service,
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],
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})
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const storedDdo = await aquarius.storeDDO(ddo)
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await didRegistry.registerAttribute(
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assetId,
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ValueType.DID,
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"Metadata",
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serviceEndpoint,
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publisher.getId())
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return storedDdo
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}
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public async signServiceAgreement(did: string,
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serviceDefinitionId: string,
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consumer: Account): Promise<any> {
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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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try {
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const serviceAgreementSignature: string = await ServiceAgreement.signServiceAgreement(id,
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ddo, serviceDefinitionId, serviceAgreementId, consumer)
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return {
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serviceAgreementId,
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serviceAgreementSignature,
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}
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} catch (err) {
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Logger.error("Signing ServiceAgreement failed!", err)
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}
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}
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public async initializeServiceAgreement(did: string,
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serviceDefinitionId: string,
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serviceAgreementId: string,
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serviceAgreementSignature: string,
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consumer: Account) {
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const result = await BrizoProvider
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.getBrizo()
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.initializeServiceAgreement(
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did,
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serviceAgreementId,
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serviceDefinitionId,
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serviceAgreementSignature,
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await consumer.getPublicKey())
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Logger.log(result)
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}
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public async executeServiceAgreement(did: string,
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serviceDefinitionId: string,
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serviceAgreementId: string,
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serviceAgreementSignature: string,
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consumer: Account,
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publisher: 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 serviceAgreement: ServiceAgreement = await ServiceAgreement
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.executeServiceAgreement(
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id,
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ddo,
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serviceDefinitionId,
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serviceAgreementId,
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serviceAgreementSignature,
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consumer,
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publisher)
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return serviceAgreement
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}
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public async searchAssets(query: SearchQuery): Promise<DDO[]> {
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return AquariusProvider.getAquarius().queryMetadata(query)
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}
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public async searchAssetsByText(text: string): Promise<DDO[]> {
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return AquariusProvider.getAquarius().queryMetadataByText({
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text,
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page: 0,
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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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