add poi event emitting

Author: nour-karoui

docker-compose.yml

@@ -28,7 +28,7 @@ services:
       postgres_pass: let-me-in
       postgres_db: graph-node
       ipfs: 'ipfs:5001'
-      ethereum: 'mainnet:http://anvil:8545'
+      ethereum: 'foundry:http://anvil:8545'
       GRAPH_LOG: debug
       GRAPH_ALLOW_NON_DETERMINISTIC_IPFS: 1
   ipfs:

src/IPNFT.sol

@@ -46,6 +46,7 @@ contract IPNFT is ERC721URIStorageUpgradeable, ERC721BurnableUpgradeable, IReser
 
     event Reserved(address indexed reserver, uint256 indexed reservationId);
     event IPNFTMinted(address indexed owner, uint256 indexed tokenId, string tokenURI, string symbol);
+    event IPNFTPOI(uint256 indexed tokenId, bytes poi);
     event ReadAccessGranted(uint256 indexed tokenId, address indexed reader, uint256 until);
     event AuthorizerUpdated(address authorizer);
 
@@ -133,6 +134,7 @@ contract IPNFT is ERC721URIStorageUpgradeable, ERC721BurnableUpgradeable, IReser
         _mint(to, computedTokenId);
         _setTokenURI(computedTokenId, _tokenURI);
         emit IPNFTMinted(to, computedTokenId, _tokenURI, _symbol);
+        emit IPNFTPOI(computedTokenId, poi);
         return computedTokenId;
     }
 

subgraph/abis/IPNFT.json

@@ -226,6 +226,45 @@
     ],
     "stateMutability": "payable"
   },
+  {
+    "type": "function",
+    "name": "mintWithPOI",
+    "inputs": [
+      {
+        "name": "to",
+        "type": "address",
+        "internalType": "address"
+      },
+      {
+        "name": "poi",
+        "type": "bytes",
+        "internalType": "bytes"
+      },
+      {
+        "name": "_tokenURI",
+        "type": "string",
+        "internalType": "string"
+      },
+      {
+        "name": "_symbol",
+        "type": "string",
+        "internalType": "string"
+      },
+      {
+        "name": "authorization",
+        "type": "bytes",
+        "internalType": "bytes"
+      }
+    ],
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256",
+        "internalType": "uint256"
+      }
+    ],
+    "stateMutability": "payable"
+  },
   {
     "type": "function",
     "name": "name",
@@ -721,6 +760,25 @@
     ],
     "anonymous": false
   },
+  {
+    "type": "event",
+    "name": "IPNFTPOI",
+    "inputs": [
+      {
+        "name": "tokenId",
+        "type": "uint256",
+        "indexed": true,
+        "internalType": "uint256"
+      },
+      {
+        "name": "poi",
+        "type": "bytes",
+        "indexed": false,
+        "internalType": "bytes"
+      }
+    ],
+    "anonymous": false
+  },
   {
     "type": "event",
     "name": "Initialized",

subgraph/schema.graphql

@@ -9,6 +9,7 @@ type Ipnft @entity {
   ipts: [IPT!] @derivedFrom(field: "ipnft")
   metadata: IpnftMetadata
   updatedAtTimestamp: BigInt
+  poi: Bytes
 }
 
 type IpnftMetadata @entity {

subgraph/src/ipnftMapping.ts

@@ -13,7 +13,8 @@ import {
   MetadataUpdate as MetadataUpdateEvent,
   ReadAccessGranted as ReadAccessGrantedEvent,
   Reserved as ReservedEvent,
-  Transfer as TransferEvent
+  Transfer as TransferEvent,
+  IPNFTPOI as IPNFTPOIEvent
 } from '../generated/IPNFT/IPNFT'
 import { IpnftMetadata as IpnftMetadataTemplate } from '../generated/templates'
 import { CanRead, Ipnft, Reservation } from '../generated/schema'
@@ -75,17 +76,21 @@ export function handleReservation(event: ReservedEvent): void {
   reservation.save()
 }
 
-function updateIpnftMetadata(ipnft: Ipnft, uri: string, timestamp: BigInt): void {
-    let ipfsLocation = uri.replace('ipfs://', '');
-    if (!ipfsLocation || ipfsLocation == uri) {
-      log.error("Invalid URI format for tokenId {}: {}", [ipnft.id, uri])
-      return
-    }
+function updateIpnftMetadata(
+  ipnft: Ipnft,
+  uri: string,
+  timestamp: BigInt
+): void {
+  let ipfsLocation = uri.replace('ipfs://', '')
+  if (!ipfsLocation || ipfsLocation == uri) {
+    log.error('Invalid URI format for tokenId {}: {}', [ipnft.id, uri])
+    return
+  }
 
-    ipnft.tokenURI = uri
-    ipnft.metadata = ipfsLocation
-    ipnft.updatedAtTimestamp = timestamp
-    IpnftMetadataTemplate.create(ipfsLocation)
+  ipnft.tokenURI = uri
+  ipnft.metadata = ipfsLocation
+  ipnft.updatedAtTimestamp = timestamp
+  IpnftMetadataTemplate.create(ipfsLocation)
 }
 
 //the underlying parameter arrays are misaligned, hence we cannot cast or unify both events
@@ -97,7 +102,17 @@ export function handleMint(event: IPNFTMintedEvent): void {
   updateIpnftMetadata(ipnft, event.params.tokenURI, event.block.timestamp)
   store.remove('Reservation', event.params.tokenId.toString())
   ipnft.save()
+}
+
+export function handlePOI(event: IPNFTPOIEvent): void {
+  let ipnft = Ipnft.load(event.params.tokenId.toString())
+  if (!ipnft) {
+    log.error('ipnft {} not found', [event.params.tokenId.toString()])
+    return
+  }
 
+  ipnft.poi = event.params.poi
+  ipnft.save()
 }
 
 export function handleMetadataUpdated(event: MetadataUpdateEvent): void {
@@ -108,13 +123,14 @@ export function handleMetadataUpdated(event: MetadataUpdateEvent): void {
   }
 
   //erc4906 is not emitting the new url, we must query it ourselves
-  let _ipnftContract = IPNFTContract.bind(event.params._event.address);
+  let _ipnftContract = IPNFTContract.bind(event.params._event.address)
   let newUri = _ipnftContract.tokenURI(event.params._tokenId)
-  if (!newUri || newUri == "") {
-    log.debug("no new uri found for token, likely just minted {}", [event.params._tokenId.toString()])
-    return 
+  if (!newUri || newUri == '') {
+    log.debug('no new uri found for token, likely just minted {}', [
+      event.params._tokenId.toString()
+    ])
+    return
   }
-  updateIpnftMetadata(ipnft, newUri, event.block.timestamp)  
+  updateIpnftMetadata(ipnft, newUri, event.block.timestamp)
   ipnft.save()
 }
-

subgraph/subgraph.yaml

@@ -23,6 +23,8 @@ dataSources:
           handler: handleReservation
         - event: IPNFTMinted(indexed address,indexed uint256,string,string)
           handler: handleMint
+        - event: IPNFTPOI(indexed uint256,bytes)
+          handler: handlePOI
         - event: Transfer(indexed address,indexed address,indexed uint256)
           handler: handleTransfer
         - event: ReadAccessGranted(indexed uint256,indexed address,uint256)