algorithm metadata cleanup

integration/utils/ddo-metadata-generator.ts

@@ -1,4 +1,4 @@
-import { MetaData } from '../../src' // @oceanprotocol/squid
+import { MetaData, MetaDataAlgorithm } from '../../src' // @oceanprotocol/squid
 import { ServiceType } from '../../src/ddo/Service'
 import ddoExample from '../../test/testdata/ddo.json'
 
@@ -48,14 +48,12 @@ const metadata: Partial<MetaData> = {
     }
 }
 
-const algorithmMeta = {
+const algorithmMeta: MetaDataAlgorithm = {
     language: 'scala',
     format: 'docker-image',
     version: '0.1',
-    entrypoint: 'ocean-entrypoint.sh',
-    requirements: [],
     container: {
-        entrypoint: 'node $ALGO',
+        entrypoint: 'ocean-entrypoint.sh',
         image: 'node',
         tag: '10'
     }

src/ddo/MetaData.ts

@@ -84,16 +84,15 @@ export interface File {
     compression?: string
 }
 
-export interface Algorithm {
+export interface MetaDataAlgorithm {
+    language?: string
+    format?: string
+    version?: string
     container: {
         entrypoint: string
         image: string
         tag: string
     }
-    language?: string
-    format?: string
-    version?: string
-    files?: File[]
 }
 
 /**
@@ -164,7 +163,7 @@ export interface MetaDataMain {
 
     service?: Service
 
-    algorithm?: Algorithm
+    algorithm?: MetaDataAlgorithm
 }
 
 /**