squid-js/src/keeper/contracts/templates/EscrowAccessSecretStoreTemplate.ts

import { AgreementTemplate } from "./AgreementTemplate.abstract"
import { LockRewardCondition, EscrowReward, AccessSecretStoreCondition } from '../conditions'
import DIDRegistry from '../DIDRegistry'
import { generateId } from '../../../utils/GeneratorHelpers'

export class EscrowAccessSecretStoreTemplate extends AgreementTemplate {

    public static async getInstance(): Promise<EscrowAccessSecretStoreTemplate> {
        return AgreementTemplate.getInstance("EscrowAccessSecretStoreTemplate", EscrowAccessSecretStoreTemplate)
    }

    /**
     * Create a agreement using EscrowAccessSecretStoreTemplate.
     * @param {string}   agreementId    Generated agreement ID.
     * @param {string}   did            Asset DID.
     * @param {string[]} conditionIds   List of conditions IDs.
     * @param {number[]} timeLocks      Timelocks.
     * @param {number[]} timeOuts       Timeouts.
     * @param {string}   accessConsumer Consumer address.
     * @param {string}   from           Action sender.
     * @param {any}                     Transaction receipt.
     */
    public createAgreement(
        agreementId: string,
        did: string,
        conditionIds: string[],
        timeLocks: number[],
        timeOuts: number[],
        accessConsumer: string,
        from?: string,
    ) {
        return super.createAgreement(
            agreementId,
            did,
            conditionIds,
            timeLocks,
            timeOuts,
            [accessConsumer],
            from,
        )
    }

    /**
     * Create a agreement using EscrowAccessSecretStoreTemplate using only the most important information.
     * @param  {string}          did    Asset DID.
     * @param  {number}          amount Asset price.
     * @param  {string}          from   Consumer address.
     * @return {Promise<string>}        Agreement ID.
     */
    public async createFullAgreement(did: string, amount: number, from?: string): Promise<string> {
        from = await this.getFromAddress(from)

        const didRegistry = await DIDRegistry.getInstance()

        const accessSecretStoreCondition = await AccessSecretStoreCondition.getInstance()
        const lockRewardCondition = await LockRewardCondition.getInstance()
        const escrowReward = await EscrowReward.getInstance()

        const agreementId = `0x${generateId()}`
        const publisher = await didRegistry.getDIDOwner(did)

        const conditionIdAccess = await accessSecretStoreCondition.generateIdHash(agreementId, did, from)
        const conditionIdLock = await lockRewardCondition.generateIdHash(agreementId, await escrowReward.getAddress(), amount)
        const conditionIdEscrow = await escrowReward.generateIdHash(
            agreementId,
            amount,
            from,
            publisher,
            conditionIdLock,
            conditionIdAccess,
        )
        await this.createAgreement(
            agreementId,
            did,
            [conditionIdAccess, conditionIdLock, conditionIdEscrow],
            [0, 0, 0],
            [0, 0, 0],
            from,
        )

        return agreementId
    }
}