fix: futureproofing duplicate ID for metadata

schema.graphql

@@ -155,8 +155,10 @@ type GraphAccount @entity {
 type GraphAccountMetadata @entity(immutable:true) {
   "IPFS hash with account metadata details"
   id: ID!
-  "Original graph account that created it"
-  graphAccount: [GraphAccount!] @derivedFrom(field:"metadata")
+  "Account that reference this metadata file. For compatibility purposes. For the full list use graphAccounts"
+  graphAccount: GraphAccount @derivedFrom(field:"metadata")
+  "Accounts that reference this metadata file"
+  graphAccounts: [GraphAccount!]! @derivedFrom(field:"metadata")
   "True if it is an organization. False if it is an individual"
   isOrganization: Boolean
   "Main repository of code for the graph account"

src/mappings/ethereumDIDRegistry.ts

@@ -1,4 +1,4 @@
-import { Bytes } from '@graphprotocol/graph-ts'
+import { Bytes, DataSourceContext } from '@graphprotocol/graph-ts'
 import { DIDAttributeChanged } from '../types/EthereumDIDRegistry/EthereumDIDRegistry'
 import { GraphAccountMetadata as GraphAccountMetadataTemplate } from '../types/templates'
 import { GraphAccount } from '../types/schema'
@@ -17,9 +17,12 @@ export function handleDIDAttributeChanged(event: DIDAttributeChanged): void {
     // called it directly, it could crash the subgraph
     let hexHash = changetype<Bytes>(addQm(event.params.value))
     let base58Hash = hexHash.toBase58()
-    graphAccount.metadata = base58Hash
+    let metadataId = graphAccount.id.concat('-').concat(base58Hash)
+    graphAccount.metadata = metadataId
     graphAccount.save()
 
-    GraphAccountMetadataTemplate.create(base58Hash)
+    let context = new DataSourceContext()
+    context.setString('id', metadataId)
+    GraphAccountMetadataTemplate.createWithContext(base58Hash, context)
   }
 }

src/mappings/ipfs.ts

@@ -5,7 +5,8 @@ import {
 import { jsonToString } from './utils'
 
 export function handleGraphAccountMetadata(content: Bytes): void {
-  let graphAccountMetadata = new GraphAccountMetadata(dataSource.stringParam())
+  let id = dataSource.context().getString("id")
+  let graphAccountMetadata = new GraphAccountMetadata(id)
   let tryData = json.try_fromBytes(content)
   if (tryData.isOk) {
     let data = tryData.value.toObject()

yarn.lock

@@ -425,10 +425,10 @@
     graphql-import-node "^0.0.5"
     js-yaml "^4.1.0"
 
-"@graphprotocol/[email protected].0":
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/@graphprotocol/contracts/-/contracts-5.3.0.tgz#9c754cdba56bf84ef32c68617dc59a4ddf00ffd0"
-  integrity sha512-o1Dvk1h+Me+BEaeYoPr4M2dBT5PvLJAUlSuKjIOIy/hD5y1PAkBMZi2EnP5BWXP+1vn4y3q7d+qZjAmVKakL/Q==
+"@graphprotocol/[email protected].3":
+  version "5.3.3"
+  resolved "https://registry.yarnpkg.com/@graphprotocol/contracts/-/contracts-5.3.3.tgz#89c383ce244d9ed6cf1146baafde379cbbdfdfe6"
+  integrity sha512-fmFSKr+VDinWWotj2q/Ztn92PppcRrYXeO/62gLgkLos/DcYa7bGWKbcOWyMUw0vsUvXxk6QAtr5o/LG3yQ1WQ==
   dependencies:
     console-table-printer "^2.11.1"
     ethers "^5.6.0"