feat: registry-metadata

Author: tractorss

schema.graphql

@@ -116,8 +116,24 @@ type LRegistry @entity {
   numberOfChallengedClearing: BigInt!
   "Connected TCR. Can be the 0 address. In practice, will never be null."
   connectedTCR: Bytes
+  metadata: LRegistryMetadata
 }
 
+type LRegistryMetadata @entity {
+ id: ID!
+ title: String
+ description: String
+ itemName: String
+ itemNamePlural: String
+ isConnectedTCR: Boolean
+ requireRemovalEvidence: Boolean
+ isTCRofTcrs: Boolean
+ parentTCRAddress: String
+ relTcrDisabled: Boolean
+ registry: LRegistry @derivedFrom(field: "metadata")
+}
+
+
 type MetaEvidence @entity {
   "The meta evidence ID."
   id: ID!
@@ -183,6 +199,12 @@ type _Schema_
     algorithm: rank
     include: [{ entity: "LItemMetadata", fields: [{ name: "keywords" }] }]
   )
+  @fulltext(
+    name: "registrySearch"
+    language: en
+    algorithm: rank
+    include: [{ entity: "LRegistryMetadata", fields: [{ name: "title" }, { name: "description" }, { name: "itemName" }] }]
+  )
 
 type ItemProp @entity(immutable: true) {
   id: ID!

src/LightGeneralizedTCRMapping.ts

@@ -25,6 +25,7 @@ import {
   LIArbitrator as IArbitratorDataSourceTemplate,
   LGTCREvidence as EvidenceMetadataTemplate,
   LItemMetadata as LItemMetadataTemplate,
+  LRegistryMetadata as LRegistryMetadataTemplate,
 } from '../generated/templates';
 import {
   Contribution,
@@ -794,6 +795,18 @@ export function handleMetaEvidence(event: MetaEvidenceEvent): void {
   }
 
   metaEvidence.URI = event.params._evidence;
+
+  const ipfsHash = extractPath(event.params._evidence);
+  registry.metadata = `${ipfsHash}-${event.address.toHexString()}-${
+    registry.metaEvidenceCount
+  }`;
+
+  const context = new DataSourceContext();
+  context.setString('address', event.address.toHexString());
+  context.setBigInt('count', registry.metaEvidenceCount);
+
+  LRegistryMetadataTemplate.createWithContext(ipfsHash, context);
+
   metaEvidence.save();
 
   if (

src/fileHandlers/LRegistryMetadataHandler.ts

@@ -0,0 +1,56 @@
+import { Bytes, dataSource, json, log } from '@graphprotocol/graph-ts';
+import { LRegistryMetadata } from '../../generated/schema';
+import { JSONValueToBool, JSONValueToMaybeString } from '../utils';
+
+export function handleLRegistryMetadata(content: Bytes): void {
+  const ipfsHash = dataSource.stringParam();
+
+  const value = json.fromBytes(content).toObject();
+
+  const context = dataSource.context();
+  const count = context.getBigInt('count');
+  const address = context.getString('address');
+
+  const id = `${ipfsHash}-${address}-${count.toString()}`;
+
+  const metadata = new LRegistryMetadata(id);
+
+  log.debug(`ipfs hash : {}, content : {}`, [ipfsHash, content.toString()]);
+
+  if (!value) {
+    log.warning(`Error converting object for hash {}`, [ipfsHash]);
+    metadata.save();
+    return;
+  }
+
+  const metadataValue = value.get('metadata');
+  if (!metadataValue) {
+    log.error(`Error getting metadata values from ipfs hash {}`, [ipfsHash]);
+    metadata.save();
+    return;
+  }
+
+  const data = metadataValue.toObject();
+
+  const title = data.get('tcrTitle');
+  const description = data.get('tcrDescription');
+  const itemName = data.get('itemName');
+  const itemNamePlural = data.get('itemNamePlural');
+  const isConnectedTCR = data.get('isConnectedTCR');
+  const requireRemovalEvidence = data.get('requireRemovalEvidence');
+  const isTCRofTcrs = data.get('isTCRofTcrs');
+  const parentTCRAddress = data.get('parentTCRAddress');
+  const relTcrDisabled = data.get('relTcrDisabled');
+
+  metadata.title = JSONValueToMaybeString(title);
+  metadata.description = JSONValueToMaybeString(description);
+  metadata.itemName = JSONValueToMaybeString(itemName);
+  metadata.parentTCRAddress = JSONValueToMaybeString(parentTCRAddress);
+  metadata.itemNamePlural = JSONValueToMaybeString(itemNamePlural);
+  metadata.isConnectedTCR = JSONValueToBool(isConnectedTCR);
+  metadata.requireRemovalEvidence = JSONValueToBool(requireRemovalEvidence);
+  metadata.isTCRofTcrs = JSONValueToBool(isTCRofTcrs);
+  metadata.relTcrDisabled = JSONValueToBool(relTcrDisabled);
+
+  metadata.save();
+}

subgraph.template.yaml

@@ -220,6 +220,18 @@ templates:
       entities:
         - LItemMetadata
         - ItemProp
+      abis:
+        - name: LightGeneralizedTCR
+          file: ./abis/LightGeneralizedTCR.json
+  - name: LRegistryMetadata
+    kind: file/ipfs
+    mapping:
+      apiVersion: 0.0.7
+      language: wasm/assemblyscript
+      file: ./src/fileHandlers/LRegistryMetadataHandler.ts
+      handler: handleLRegistryMetadata
+      entities:
+        - LRegistryMetadata
       abis:
         - name: LightGeneralizedTCR
           file: ./abis/LightGeneralizedTCR.json