mirror of
https://github.com/oceanprotocol-archive/squid-js.git
synced 2024-02-02 15:31:51 +01:00
184 lines
6.0 KiB
TypeScript
184 lines
6.0 KiB
TypeScript
import { generateId } from '../utils/GeneratorHelpers'
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import Account from './Account'
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import DID from './DID'
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import { zeroX, didPrefixed } from '../utils'
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import { Instantiable, InstantiableConfig } from '../Instantiable.abstract'
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import { AgreementConditionsStatus } from '../keeper/contracts/templates/AgreementTemplateBase'
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import { ConditionState } from '../keeper/contracts/conditions/Condition.abstract'
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import { OceanAgreementsConditions } from './OceanAgreementsConditions'
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import { Service } from '../ddo/Service'
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export interface AgreementPrepareResult {
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agreementId: string
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signature: string
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}
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/**
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* Agreements submodule of Ocean Protocol.
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*/
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export class OceanAgreements extends Instantiable {
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/**
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* Returns the instance of OceanAgreements.
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* @return {Promise<OceanAgreements>}
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*/
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public static async getInstance(
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config: InstantiableConfig
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): Promise<OceanAgreements> {
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const instance = new OceanAgreements()
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instance.setInstanceConfig(config)
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instance.conditions = await OceanAgreementsConditions.getInstance(config)
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return instance
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}
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/**
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* Agreements Conditions submodule.
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* @type {OceanAgreementsConditions}
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*/
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public conditions: OceanAgreementsConditions
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/**
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* Creates a consumer signature for the specified asset service.
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* @param {string} did Decentralized ID.
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* @param {number} index Service index.
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* @param {Account} consumer Consumer account.
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* @return {Promise<AgreementPrepareResult>} Agreement ID and signaturee.
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*/
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public async prepare(
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did: string,
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index: number,
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consumer: Account
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): Promise<AgreementPrepareResult> {
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const d: DID = DID.parse(did as string)
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const ddo = await this.ocean.aquarius.retrieveDDO(d)
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const agreementId: string = zeroX(generateId())
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const templateName = ddo.findServiceByType('access').attributes
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.serviceAgreementTemplate.contractName
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const agreementConditionsIds = await this.ocean.keeper
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.getTemplateByName(templateName)
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.getConditionIdsFromDDO(agreementId, ddo, consumer.getId(), consumer.getId())
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const signature = await this.ocean.utils.agreements.signServiceAgreement(
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ddo,
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index,
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agreementId,
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agreementConditionsIds,
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consumer
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)
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return { agreementId, signature }
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}
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/**
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* Submit a service agreement to the publisher to create the agreement on-chain.
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* @param {string} did Decentralized ID.
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* @param {number} index Service index.
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* @param {Account} consumer Consumer account.
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* @return {Promise<void>}
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*/
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public async send(
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did: string,
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agreementId: string,
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index: number,
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signature: string,
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consumer: Account
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): Promise<void> {
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const result = await this.ocean.brizo.initializeServiceAgreement(
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didPrefixed(did),
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zeroX(agreementId),
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index,
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zeroX(signature),
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consumer.getId()
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)
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if (!result.ok) {
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throw new Error('Error on initialize agreement: ' + (await result.text()))
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}
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}
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/**
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* Create a service agreement on-chain. This should be called by the publisher of the asset.
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* Consumer signature will be verified on-chain, but it is recommended to verify the signature
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* in this method before submitting on-chain.
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* @param {string} did Decentralized ID.
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* @param {string} agreementId Service agreement ID.
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* @param {number} index Service index.
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* @param {string} signature Service agreement signature.
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* @param {Account} consumer Consumer account.
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* @param {string} provider ethereum address of service provider
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* @param {Account} from account of party creating the agreement (usually the consumer).
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* @return {Promise<boolean>}
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*/
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public async create(
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did: string,
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agreementId: string,
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index: number,
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signature: string,
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consumer: Account,
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provider: string,
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from: Account
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) {
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const d: DID = DID.parse(did)
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const ddo = await this.ocean.aquarius.retrieveDDO(d)
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const service: Service = ddo.findServiceById(index)
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const templateName = service.attributes.serviceAgreementTemplate.contractName
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return this.ocean.keeper
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.getTemplateByName(templateName)
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.createAgreementFromDDO(
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agreementId,
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ddo,
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service.type,
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consumer.getId(),
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provider,
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from.getId()
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)
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}
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/**
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* Get the status of a service agreement.
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* @param {string} agreementId Service agreement ID.
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* @param {boolean} extended Returns a complete status with dependencies.
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* @return {Promise<any>}
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*/
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public async status(
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agreementId: string,
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extended?: false
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): Promise<{ [condition: string]: ConditionState }>
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public async status(
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agreementId: string,
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extended: true
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): Promise<AgreementConditionsStatus>
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public async status(agreementId: string, extended: boolean = false) {
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const { templateId } = await this.ocean.keeper.agreementStoreManager.getAgreement(
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agreementId
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)
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if (templateId === `0x${'0'.repeat(64)}`) {
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this.logger.error(
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`agreement ${agreementId} is not found, templateId is ${templateId}`
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)
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return
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}
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const fullStatus = await this.ocean.keeper
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.getTemplateById(templateId)
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.getAgreementStatus(agreementId, this.ocean.keeper.conditionStoreManager)
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if (!fullStatus) {
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return
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}
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if (extended) {
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return fullStatus
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}
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const simpleStatus = {}
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Object.entries(fullStatus).forEach(([condition, { state }]) => {
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simpleStatus[condition] = state
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})
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return simpleStatus as any
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}
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}
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