From 83ea6723e0f74ac65d46086d137024a2eb9fbd8b Mon Sep 17 00:00:00 2001
From: Matthias Kretschmann <m@kretschmann.io>
Date: Fri, 24 Jan 2020 15:23:50 +0100
Subject: [PATCH] algorithm metadata

---
 integration/ocean/Compute.test.ts           | 16 +++++++++++++++-
 integration/utils/ddo-metadata-generator.ts | 14 +++++++++++++-
 src/ddo/MetaData.ts                         | 14 ++++++++++++++
 3 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/integration/ocean/Compute.test.ts b/integration/ocean/Compute.test.ts
index 51c7070..8958dd8 100644
--- a/integration/ocean/Compute.test.ts
+++ b/integration/ocean/Compute.test.ts
@@ -3,6 +3,7 @@ import { assert } from 'chai'
 import { config } from '../config'
 import { Ocean, Account, DDO, MetaData } from '../../src' // @oceanprotocol/squid
 import { getMetadata } from '../utils'
+import { ServiceType } from '../../src/ddo/Service'
 
 describe('Compute', () => {
     let ocean: Ocean
@@ -12,11 +13,24 @@ describe('Compute', () => {
 
     const metadataAsset = getMetadata()
     const metadataAlgorithm = getMetadata(0, 'algorithm')
+    const assetComputeService = {
+        type: 'compute' as ServiceType,
+        index: 2,
+        attributes: {
+            main: {
+                serviceAgreementTemplate: {
+                    contractName: ''
+                }
+            }
+        }
+    }
 
     before(async () => {
         ocean = await Ocean.getInstance(config)
         ;[account] = await ocean.accounts.list()
-        ddoAsset = await ocean.assets.create(metadataAsset as MetaData, account)
+        ddoAsset = await ocean.assets.create(metadataAsset as MetaData, account, [
+            assetComputeService
+        ])
         ddoAlgorithm = await ocean.assets.create(metadataAlgorithm as MetaData, account)
     })
 
diff --git a/integration/utils/ddo-metadata-generator.ts b/integration/utils/ddo-metadata-generator.ts
index 94078ae..6ebc29b 100644
--- a/integration/utils/ddo-metadata-generator.ts
+++ b/integration/utils/ddo-metadata-generator.ts
@@ -46,6 +46,17 @@ const metadata: Partial<MetaData> = {
     }
 }
 
+const algorithmMeta = {
+    language: 'scala',
+    format: 'docker-image',
+    version: '0.1',
+    container: {
+        entrypoint: 'ocean-entrypoint.sh',
+        image: '',
+        tag: ''
+    }
+}
+
 export const generateMetadata = (
     name: string,
     type?: 'dataset' | 'algorithm',
@@ -56,7 +67,8 @@ export const generateMetadata = (
         ...metadata.main,
         name,
         type: type || 'dataset',
-        price: (price || 21) + '0'.repeat(18)
+        price: (price || 21) + '0'.repeat(18),
+        algorithm: type === 'algorithm' && algorithmMeta
     },
     additionalInformation: {
         ...metadata.additionalInformation
diff --git a/src/ddo/MetaData.ts b/src/ddo/MetaData.ts
index 3a9858c..dacaec2 100644
--- a/src/ddo/MetaData.ts
+++ b/src/ddo/MetaData.ts
@@ -84,6 +84,18 @@ export interface File {
     compression?: string
 }
 
+export interface Algorithm {
+    container: {
+        entrypoint: string
+        image: string
+        tag: string
+    }
+    language?: string
+    format?: string
+    version?: string
+    files?: File[]
+}
+
 /**
  * Main attributes of assets metadata.
  * @see https://github.com/oceanprotocol/OEPs/tree/master/8
@@ -151,6 +163,8 @@ export interface MetaDataMain {
     encryptedService?: any
 
     service?: Service
+
+    algorithm?: Algorithm
 }
 
 /**