Create Signature integration test and fixed/improved the generation of hashes.

integration/ocean/Signature.test.ts

@@ -0,0 +1,99 @@
+import { assert } from "chai"
+
+import { config } from "../config"
+
+import { Ocean, Account, DDO, Keeper } from "../../src" // @oceanprotocol/squid
+
+import ServiceAgreement from "../../src/ocean/ServiceAgreements/ServiceAgreement"
+
+// WARN: not integration test. It has been done here because constant values
+// depends on the first account on spree (only accessible from integration test)
+describe("Signature", () => {
+
+    let consumer: Account
+
+    before(async () => {
+        await Ocean.getInstance(config)
+
+        // Accounts
+        consumer = new Account("0x00bd138abd70e2f00903268f3db08f2d25677c9e")
+        consumer.setPassword("node0")
+    })
+
+    it("should generate the correct signature", async () => {
+        const templateId = `0x${"f".repeat(40)}`
+        const agreementId = `0x${"e".repeat(64)}`
+
+        const accessId = `0x${"a".repeat(64)}`
+        const lockId = `0x${"b".repeat(64)}`
+        const escrowId = `0x${"c".repeat(64)}`
+
+        const hash = await ServiceAgreement.hashServiceAgreement(
+            templateId,
+            agreementId,
+            [accessId, lockId, escrowId],
+            [0, 0, 0],
+            [0, 0, 0],
+        )
+
+        assert.equal(hash, "0x67901517c18a3d23e05806fff7f04235cc8ae3b1f82345b8bfb3e4b02b5800c7", "The signatuere is not correct.")
+    })
+
+    it("should generate the correct signature", async () => {
+        const templates = (await Keeper.getInstance()).templates
+
+        const did = `did:op:${"c".repeat(64)}`
+        const templateId = `0x${"f".repeat(40)}`
+        const agreementId = `0x${"e".repeat(64)}`
+        const ddoOwner = `0x${"9".repeat(40)}`
+        const serviceDefinitionId = "0"
+        const amount = "10"
+
+        const accessId = `0x${"a".repeat(64)}`
+        const lockId = `0x${"b".repeat(64)}`
+
+        const serviceAgreementTemplate = await templates.escrowAccessSecretStoreTemplate.getServiceAgreementTemplate()
+
+        const ddo = new DDO({
+            id: did,
+            service: [
+                {
+                    type: "Access",
+                    purchaseEndpoint: undefined,
+                    serviceEndpoint: undefined,
+                    serviceDefinitionId,
+                    templateId,
+                    serviceAgreementTemplate,
+                } as any,
+            ],
+        })
+
+
+        const valuesMap = {
+            rewardAddress: ddoOwner,
+            amount,
+            documentId: ddo.shortId(),
+            grantee: consumer.getId(),
+            receiver: consumer.getId(),
+            sender: ddoOwner,
+
+            lockCondition: lockId,
+            releaseCondition: accessId,
+        }
+
+        const signature = await ServiceAgreement.signServiceAgreement(
+            ddo,
+            serviceDefinitionId,
+            agreementId,
+            valuesMap,
+            consumer,
+        )
+
+        assert.equal(
+            signature,
+            // tslint:disable-next-line
+            "0x6bd49301a4a98d4e2ca149d649cc22fa0c5bd69269716d91c5cc17576ec3caef12a0edf611bb318e684683eec77b202bbbe484ceb698aec0e1250b7d1cf874dd1c",
+            "The signatuere is not correct.",
+        )
+    })
+})

src/ddo/DDO.ts

@@ -38,19 +38,17 @@ export class DDO {
      * DID, descentralized ID.
      * @type {string}
      */
-    public id: string
+    public id: string = null
     public created: string
-    public publicKey: PublicKey[]
-    public authentication: Authentication[]
-    public service: Service[]
+    public publicKey: PublicKey[] = []
+    public authentication: Authentication[] = []
+    public service: Service[] = []
     public proof: Proof
 
     public constructor(ddo?: Partial<DDO>) {
-        this.created = (ddo && ddo.created) || new Date().toISOString().replace(/\.[0-9]{3}/, "")
-        this.authentication = (ddo && ddo.authentication) || []
-        this.id = (ddo && ddo.id) || null
-        this.publicKey = (ddo && ddo.publicKey) || []
-        this.service = (ddo && ddo.service) || []
+        Object.assign(this, ddo, {
+            created: ddo.created  || new Date().toISOString().replace(/\.[0-9]{3}/, ""),
+        })
     }
 
     public shortId(): string {

src/ocean/OceanAgreements.ts

@@ -54,16 +54,46 @@ export default class OceanAgreements {
         serviceDefinitionId: string,
         consumer: Account,
     ): Promise<AgreementPreparionResult> {
-
         const d: DID = DID.parse(did as string)
         const ddo = await AquariusProvider.getAquarius().retrieveDDO(d)
         const agreementId: string = generateId()
 
-        const signature = await ServiceAgreement.signServiceAgreement(ddo, serviceDefinitionId, agreementId, consumer)
+        const valuesMap = await this.getValuesMapForPrepare(ddo, agreementId, consumer.getId())
+
+        const signature = await ServiceAgreement.signServiceAgreement(ddo, serviceDefinitionId, agreementId, valuesMap, consumer)
 
         return {agreementId, signature}
     }
 
+    // TODO: this map depends on the template, this generation should be reponsability of the template
+    private async getValuesMapForPrepare(ddo: DDO, agreementId: string, consumer: string): Promise<{[value: string]: string}> {
+        const keeper = await Keeper.getInstance()
+        const ddoOwner = ddo.proof && ddo.proof.creator
+        const amount = ddo.findServiceByType("Metadata").metadata.base.price
+
+        let lockCondition
+        let releaseCondition
+
+        try {
+            lockCondition = await keeper.conditions.lockRewardCondition.hashValues(ddoOwner, amount)
+        } catch(e) { }
+
+        try {
+            releaseCondition = await keeper.conditions.accessSecretStoreCondition.hashValues(ddo.shortId(), consumer)
+        } catch(e) { }
+
+        return {
+            rewardAddress: ddoOwner,
+            amount: amount.toString(),
+            documentId: ddo.shortId(),
+            grantee: consumer,
+            receiver: consumer,
+            sender: ddoOwner,
+            lockCondition,
+            releaseCondition,
+        }
+    }
+
     /**
      * Submit a service agreement to the publisher to create the agreement on-chain.
      * @param  {string} did Decentralized ID.
@@ -82,10 +112,10 @@ export default class OceanAgreements {
         const result = await BrizoProvider
             .getBrizo()
             .initializeServiceAgreement(
-                did,
-                agreementId,
+                didPrefixed(did),
+                zeroX(agreementId),
                 serviceDefinitionId,
-                signature,
+                zeroX(signature),
                 consumer.getId(),
             )
 

src/ocean/ServiceAgreements/ServiceAgreement.ts

@@ -1,13 +1,11 @@
 import { ServiceAgreementTemplateCondition } from "../../ddo/ServiceAgreementTemplate"
 import { DDO } from "../../ddo/DDO"
 import { ServiceAccess } from "../../ddo/Service"
-import Keeper from "../../keeper/Keeper"
 import Web3Provider from "../../keeper/Web3Provider"
 import ValuePair from "../../models/ValuePair"
 import Logger from "../../utils/Logger"
 import Account from "../Account"
-import DID from "../DID"
-import { signText } from "../../utils"
+import { signText, zeroX } from "../../utils"
 
 
 // TODO: move this class to helpers, it only contains pure functions
@@ -24,12 +22,18 @@ export default class ServiceAgreement {
         const service = ddo.findServiceById<"Access">(serviceDefinitionId)
         const values: ValuePair[][] = ServiceAgreement.getValuesFromService(service, valuesMap)
         const valueHashes: string[] = ServiceAgreement.createValueHashes(values)
-        const timeoutValues: number[] = ServiceAgreement.getTimeoutValuesFromService(service)
+        const timelockValues: number[] = ServiceAgreement.getTimeValuesFromService(service, "timelock")
+        const timeoutValues: number[] = ServiceAgreement.getTimeValuesFromService(service, "timeout")
 
-        const serviceAgreementHashSignature = await ServiceAgreement.createSAHashSignature(
-            service,
+        if (!service.templateId) {
+            throw new Error("TemplateId not found in DDO.")
+        }
+
+        const serviceAgreementHashSignature = await ServiceAgreement.createHashSignature(
+            service.templateId,
             serviceAgreementId,
             valueHashes,
+            timelockValues,
             timeoutValues,
             consumer,
         )
@@ -39,23 +43,22 @@ export default class ServiceAgreement {
         return serviceAgreementHashSignature
     }
 
-    private static async createSAHashSignature(
-        service: ServiceAccess,
+    public static async createHashSignature(
+        templateId: string,
         serviceAgreementId: string,
         valueHashes: string[],
+        timelockValues: number[],
         timeoutValues: number[],
         consumer: Account,
     ): Promise<string> {
 
-        if (!service.templateId) {
-            throw new Error("TemplateId not found in ddo.")
-        }
-
         const serviceAgreementHash = ServiceAgreement.hashServiceAgreement(
-            service.templateId,
+            templateId,
             serviceAgreementId,
             valueHashes,
-            timeoutValues)
+            timelockValues,
+            timeoutValues,
+        )
 
         let serviceAgreementHashSignature = await signText(serviceAgreementHash, consumer.getId(), consumer.getPassword())
 
@@ -83,26 +86,28 @@ export default class ServiceAgreement {
         return hash
     }
 
-    private static hashServiceAgreement(
+    public static hashServiceAgreement(
         serviceAgreementTemplateId: string,
         serviceAgreementId: string,
         valueHashes: string[],
+        timelocks: number[],
         timeouts: number[],
     ): string {
 
         const args = [
-            {type: "bytes32", value: serviceAgreementTemplateId},
-            {type: "bytes32[]", value: valueHashes},
+            {type: "address", value: zeroX(serviceAgreementTemplateId)},
+            {type: "bytes32[]", value: valueHashes.map(zeroX)},
+            {type: "uint256[]", value: timelocks},
             {type: "uint256[]", value: timeouts},
-            {type: "bytes32", value: "0x" + serviceAgreementId},
+            {type: "bytes32", value: zeroX(serviceAgreementId)},
         ]
 
         return (Web3Provider as any).getWeb3().utils.soliditySha3(...args).toString("hex")
     }
 
-    private static getTimeoutValuesFromService(service: ServiceAccess): number[] {
+    private static getTimeValuesFromService(service: ServiceAccess, type: "timeout" | "timelock"): number[] {
         const timeoutValues: number[] = service.serviceAgreementTemplate.conditions
-            .map((condition: ServiceAgreementTemplateCondition) => condition.timeout)
+            .map((condition: ServiceAgreementTemplateCondition) => condition[type])
 
         return timeoutValues
     }