diff --git a/graph/build/SmartReader/abis/SmartReader.json b/graph/build/SmartReader/abis/SmartReader.json
index a6aa9be..82720a0 100644
--- a/graph/build/SmartReader/abis/SmartReader.json
+++ b/graph/build/SmartReader/abis/SmartReader.json
@@ -137,4 +137,4 @@
     "stateMutability": "view",
     "type": "function"
   }
-]
+]
\ No newline at end of file
diff --git a/graph/build/subgraph.yaml b/graph/build/subgraph.yaml
index 2b58688..3b6fbc1 100644
--- a/graph/build/subgraph.yaml
+++ b/graph/build/subgraph.yaml
@@ -6,7 +6,7 @@ dataSources:
     name: SmartReader
     network: goerli
     source:
-      address: '0xdFFfB2E3CCeB7D25B4be73Ce5e03a78Fb22342A2'
+      address: "0xdFFfB2E3CCeB7D25B4be73Ce5e03a78Fb22342A2"
       abi: SmartReader
       startBlock: 8598408
     mapping:
diff --git a/graph/generated/SmartReader/SmartReader.ts b/graph/generated/SmartReader/SmartReader.ts
index 8407f9e..3544ce9 100644
--- a/graph/generated/SmartReader/SmartReader.ts
+++ b/graph/generated/SmartReader/SmartReader.ts
@@ -7,8 +7,8 @@ import {
   Entity,
   Bytes,
   Address,
-  BigInt,
-} from '@graphprotocol/graph-ts';
+  BigInt
+} from "@graphprotocol/graph-ts";
 
 export class AnnotationAdded extends ethereum.Event {
   get params(): AnnotationAdded__Params {
@@ -64,13 +64,13 @@ export class ContractAdded__Params {
 
 export class SmartReader extends ethereum.SmartContract {
   static bind(address: Address): SmartReader {
-    return new SmartReader('SmartReader', address);
+    return new SmartReader("SmartReader", address);
   }
 
   contractStorage(param0: Address, param1: string): string {
     let result = super.call(
-      'contractStorage',
-      'contractStorage(address,string):(string)',
+      "contractStorage",
+      "contractStorage(address,string):(string)",
       [ethereum.Value.fromAddress(param0), ethereum.Value.fromString(param1)]
     );
 
@@ -82,8 +82,8 @@ export class SmartReader extends ethereum.SmartContract {
     param1: string
   ): ethereum.CallResult<string> {
     let result = super.tryCall(
-      'contractStorage',
-      'contractStorage(address,string):(string)',
+      "contractStorage",
+      "contractStorage(address,string):(string)",
       [ethereum.Value.fromAddress(param0), ethereum.Value.fromString(param1)]
     );
     if (result.reverted) {
@@ -94,13 +94,13 @@ export class SmartReader extends ethereum.SmartContract {
   }
 
   owner(): Address {
-    let result = super.call('owner', 'owner():(address)', []);
+    let result = super.call("owner", "owner():(address)", []);
 
     return result[0].toAddress();
   }
 
   try_owner(): ethereum.CallResult<Address> {
-    let result = super.tryCall('owner', 'owner():(address)', []);
+    let result = super.tryCall("owner", "owner():(address)", []);
     if (result.reverted) {
       return new ethereum.CallResult();
     }
diff --git a/graph/generated/schema.ts b/graph/generated/schema.ts
index a489ca4..e1ef4d7 100644
--- a/graph/generated/schema.ts
+++ b/graph/generated/schema.ts
@@ -8,326 +8,326 @@ import {
   store,
   Bytes,
   BigInt,
-  BigDecimal,
-} from '@graphprotocol/graph-ts';
+  BigDecimal
+} from "@graphprotocol/graph-ts";
 
 export class Contract extends Entity {
   constructor(id: string) {
     super();
-    this.set('id', Value.fromString(id));
+    this.set("id", Value.fromString(id));
   }
 
   save(): void {
-    let id = this.get('id');
-    assert(id != null, 'Cannot save Contract entity without an ID');
+    let id = this.get("id");
+    assert(id != null, "Cannot save Contract entity without an ID");
     if (id) {
       assert(
         id.kind == ValueKind.STRING,
         `Entities of type Contract must have an ID of type String but the id '${id.displayData()}' is of type ${id.displayKind()}`
       );
-      store.set('Contract', id.toString(), this);
+      store.set("Contract", id.toString(), this);
     }
   }
 
   static load(id: string): Contract | null {
-    return changetype<Contract | null>(store.get('Contract', id));
+    return changetype<Contract | null>(store.get("Contract", id));
   }
 
   get id(): string {
-    let value = this.get('id');
+    let value = this.get("id");
     return value!.toString();
   }
 
   set id(value: string) {
-    this.set('id', Value.fromString(value));
+    this.set("id", Value.fromString(value));
   }
 
   get smartReaderContract(): Bytes {
-    let value = this.get('smartReaderContract');
+    let value = this.get("smartReaderContract");
     return value!.toBytes();
   }
 
   set smartReaderContract(value: Bytes) {
-    this.set('smartReaderContract', Value.fromBytes(value));
+    this.set("smartReaderContract", Value.fromBytes(value));
   }
 
   get mainContractAddress(): Bytes {
-    let value = this.get('mainContractAddress');
+    let value = this.get("mainContractAddress");
     return value!.toBytes();
   }
 
   set mainContractAddress(value: Bytes) {
-    this.set('mainContractAddress', Value.fromBytes(value));
+    this.set("mainContractAddress", Value.fromBytes(value));
   }
 
   get network(): string {
-    let value = this.get('network');
+    let value = this.get("network");
     return value!.toString();
   }
 
   set network(value: string) {
-    this.set('network', Value.fromString(value));
+    this.set("network", Value.fromString(value));
   }
 
   get createdAt(): BigInt {
-    let value = this.get('createdAt');
+    let value = this.get("createdAt");
     return value!.toBigInt();
   }
 
   set createdAt(value: BigInt) {
-    this.set('createdAt', Value.fromBigInt(value));
+    this.set("createdAt", Value.fromBigInt(value));
   }
 
   get blockNumber(): BigInt {
-    let value = this.get('blockNumber');
+    let value = this.get("blockNumber");
     return value!.toBigInt();
   }
 
   set blockNumber(value: BigInt) {
-    this.set('blockNumber', Value.fromBigInt(value));
+    this.set("blockNumber", Value.fromBigInt(value));
   }
 
   get transactionHash(): Bytes {
-    let value = this.get('transactionHash');
+    let value = this.get("transactionHash");
     return value!.toBytes();
   }
 
   set transactionHash(value: Bytes) {
-    this.set('transactionHash', Value.fromBytes(value));
+    this.set("transactionHash", Value.fromBytes(value));
   }
 
   get blockTimestamp(): BigInt {
-    let value = this.get('blockTimestamp');
+    let value = this.get("blockTimestamp");
     return value!.toBigInt();
   }
 
   set blockTimestamp(value: BigInt) {
-    this.set('blockTimestamp', Value.fromBigInt(value));
+    this.set("blockTimestamp", Value.fromBigInt(value));
   }
 
   get subContracts(): Array<string> {
-    let value = this.get('subContracts');
+    let value = this.get("subContracts");
     return value!.toStringArray();
   }
 
   set subContracts(value: Array<string>) {
-    this.set('subContracts', Value.fromStringArray(value));
+    this.set("subContracts", Value.fromStringArray(value));
   }
 
   get Annotations(): Array<string> {
-    let value = this.get('Annotations');
+    let value = this.get("Annotations");
     return value!.toStringArray();
   }
 
   set Annotations(value: Array<string>) {
-    this.set('Annotations', Value.fromStringArray(value));
+    this.set("Annotations", Value.fromStringArray(value));
   }
 }
 
 export class subContract extends Entity {
   constructor(id: string) {
     super();
-    this.set('id', Value.fromString(id));
+    this.set("id", Value.fromString(id));
   }
 
   save(): void {
-    let id = this.get('id');
-    assert(id != null, 'Cannot save subContract entity without an ID');
+    let id = this.get("id");
+    assert(id != null, "Cannot save subContract entity without an ID");
     if (id) {
       assert(
         id.kind == ValueKind.STRING,
         `Entities of type subContract must have an ID of type String but the id '${id.displayData()}' is of type ${id.displayKind()}`
       );
-      store.set('subContract', id.toString(), this);
+      store.set("subContract", id.toString(), this);
     }
   }
 
   static load(id: string): subContract | null {
-    return changetype<subContract | null>(store.get('subContract', id));
+    return changetype<subContract | null>(store.get("subContract", id));
   }
 
   get id(): string {
-    let value = this.get('id');
+    let value = this.get("id");
     return value!.toString();
   }
 
   set id(value: string) {
-    this.set('id', Value.fromString(value));
+    this.set("id", Value.fromString(value));
   }
 
   get smartReaderContract(): Bytes {
-    let value = this.get('smartReaderContract');
+    let value = this.get("smartReaderContract");
     return value!.toBytes();
   }
 
   set smartReaderContract(value: Bytes) {
-    this.set('smartReaderContract', Value.fromBytes(value));
+    this.set("smartReaderContract", Value.fromBytes(value));
   }
 
   get mainContract(): Bytes {
-    let value = this.get('mainContract');
+    let value = this.get("mainContract");
     return value!.toBytes();
   }
 
   set mainContract(value: Bytes) {
-    this.set('mainContract', Value.fromBytes(value));
+    this.set("mainContract", Value.fromBytes(value));
   }
 
   get subContractName(): string {
-    let value = this.get('subContractName');
+    let value = this.get("subContractName");
     return value!.toString();
   }
 
   set subContractName(value: string) {
-    this.set('subContractName', Value.fromString(value));
+    this.set("subContractName", Value.fromString(value));
   }
 
   get network(): string {
-    let value = this.get('network');
+    let value = this.get("network");
     return value!.toString();
   }
 
   set network(value: string) {
-    this.set('network', Value.fromString(value));
+    this.set("network", Value.fromString(value));
   }
 
   get createdAt(): BigInt {
-    let value = this.get('createdAt');
+    let value = this.get("createdAt");
     return value!.toBigInt();
   }
 
   set createdAt(value: BigInt) {
-    this.set('createdAt', Value.fromBigInt(value));
+    this.set("createdAt", Value.fromBigInt(value));
   }
 
   get blockNumber(): BigInt {
-    let value = this.get('blockNumber');
+    let value = this.get("blockNumber");
     return value!.toBigInt();
   }
 
   set blockNumber(value: BigInt) {
-    this.set('blockNumber', Value.fromBigInt(value));
+    this.set("blockNumber", Value.fromBigInt(value));
   }
 
   get transactionHash(): Bytes {
-    let value = this.get('transactionHash');
+    let value = this.get("transactionHash");
     return value!.toBytes();
   }
 
   set transactionHash(value: Bytes) {
-    this.set('transactionHash', Value.fromBytes(value));
+    this.set("transactionHash", Value.fromBytes(value));
   }
 
   get blockTimestamp(): BigInt {
-    let value = this.get('blockTimestamp');
+    let value = this.get("blockTimestamp");
     return value!.toBigInt();
   }
 
   set blockTimestamp(value: BigInt) {
-    this.set('blockTimestamp', Value.fromBigInt(value));
+    this.set("blockTimestamp", Value.fromBigInt(value));
   }
 
   get ipfsSchema(): string {
-    let value = this.get('ipfsSchema');
+    let value = this.get("ipfsSchema");
     return value!.toString();
   }
 
   set ipfsSchema(value: string) {
-    this.set('ipfsSchema', Value.fromString(value));
+    this.set("ipfsSchema", Value.fromString(value));
   }
 }
 
 export class Annotation extends Entity {
   constructor(id: string) {
     super();
-    this.set('id', Value.fromString(id));
+    this.set("id", Value.fromString(id));
   }
 
   save(): void {
-    let id = this.get('id');
-    assert(id != null, 'Cannot save Annotation entity without an ID');
+    let id = this.get("id");
+    assert(id != null, "Cannot save Annotation entity without an ID");
     if (id) {
       assert(
         id.kind == ValueKind.STRING,
         `Entities of type Annotation must have an ID of type String but the id '${id.displayData()}' is of type ${id.displayKind()}`
       );
-      store.set('Annotation', id.toString(), this);
+      store.set("Annotation", id.toString(), this);
     }
   }
 
   static load(id: string): Annotation | null {
-    return changetype<Annotation | null>(store.get('Annotation', id));
+    return changetype<Annotation | null>(store.get("Annotation", id));
   }
 
   get id(): string {
-    let value = this.get('id');
+    let value = this.get("id");
     return value!.toString();
   }
 
   set id(value: string) {
-    this.set('id', Value.fromString(value));
+    this.set("id", Value.fromString(value));
   }
 
   get mainContract(): Bytes {
-    let value = this.get('mainContract');
+    let value = this.get("mainContract");
     return value!.toBytes();
   }
 
   set mainContract(value: Bytes) {
-    this.set('mainContract', Value.fromBytes(value));
+    this.set("mainContract", Value.fromBytes(value));
   }
 
   get blockNumber(): BigInt {
-    let value = this.get('blockNumber');
+    let value = this.get("blockNumber");
     return value!.toBigInt();
   }
 
   set blockNumber(value: BigInt) {
-    this.set('blockNumber', Value.fromBigInt(value));
+    this.set("blockNumber", Value.fromBigInt(value));
   }
 
   get blockTimestamp(): BigInt {
-    let value = this.get('blockTimestamp');
+    let value = this.get("blockTimestamp");
     return value!.toBigInt();
   }
 
   set blockTimestamp(value: BigInt) {
-    this.set('blockTimestamp', Value.fromBigInt(value));
+    this.set("blockTimestamp", Value.fromBigInt(value));
   }
 
   get transactionHash(): Bytes {
-    let value = this.get('transactionHash');
+    let value = this.get("transactionHash");
     return value!.toBytes();
   }
 
   set transactionHash(value: Bytes) {
-    this.set('transactionHash', Value.fromBytes(value));
+    this.set("transactionHash", Value.fromBytes(value));
   }
 
   get subContractName(): string {
-    let value = this.get('subContractName');
+    let value = this.get("subContractName");
     return value!.toString();
   }
 
   set subContractName(value: string) {
-    this.set('subContractName', Value.fromString(value));
+    this.set("subContractName", Value.fromString(value));
   }
 
   get annotation(): string {
-    let value = this.get('annotation');
+    let value = this.get("annotation");
     return value!.toString();
   }
 
   set annotation(value: string) {
-    this.set('annotation', Value.fromString(value));
+    this.set("annotation", Value.fromString(value));
   }
 
   get createdAt(): BigInt {
-    let value = this.get('createdAt');
+    let value = this.get("createdAt");
     return value!.toBigInt();
   }
 
   set createdAt(value: BigInt) {
-    this.set('createdAt', Value.fromBigInt(value));
+    this.set("createdAt", Value.fromBigInt(value));
   }
 }
diff --git a/graph/src/smart-reader.ts b/graph/src/smart-reader.ts
index 963b828..82c102f 100644
--- a/graph/src/smart-reader.ts
+++ b/graph/src/smart-reader.ts
@@ -50,7 +50,7 @@ export function handleAnnotationAdded(event: AnnotationAddedEvent): void {
   log.info('handleAnnotationAdded {}', [
     event.params.mainContract.toHexString(),
   ]);
-  if (contract != null) {
+  if (contract !== null) {
     let annotation = new Annotation(event.transaction.hash.toHexString());
     log.info('lizard {}', [event.transaction.hash.toHexString()]);
     annotation.mainContract = event.params.mainContract;