From bcf18e4ece8eb937a486b0a3f08a4fec8af1df4f Mon Sep 17 00:00:00 2001
From: CJ42 <cavallerajean@gmail.com>
Date: Thu, 19 Oct 2023 11:55:39 +0100
Subject: [PATCH] fix: encode LSP2 array length as 16 bytes long

---
 src/lib/classes/lsp8-identifiable-digital-asset.spec.ts | 1 -
 src/lib/classes/proxy-deployer.spec.ts                  | 2 +-
 src/lib/services/universal-profile.service.spec.ts      | 7 +++----
 src/lib/services/universal-profile.service.ts           | 2 +-
 4 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/lib/classes/lsp8-identifiable-digital-asset.spec.ts b/src/lib/classes/lsp8-identifiable-digital-asset.spec.ts
index 5c9ca44f..e597b49c 100644
--- a/src/lib/classes/lsp8-identifiable-digital-asset.spec.ts
+++ b/src/lib/classes/lsp8-identifiable-digital-asset.spec.ts
@@ -15,7 +15,6 @@ import { lsp4DigitalAsset } from '../../../test/lsp4-digital-asset.mock';
 import { JSONURL_KNOWN_HASH_FUNCTIONS } from '../helpers/config.helper';
 
 import { ProxyDeployer } from './proxy-deployer';
-import ERC725 from '@erc725/erc725.js';
 
 jest.setTimeout(30000);
 jest.useRealTimers();
diff --git a/src/lib/classes/proxy-deployer.spec.ts b/src/lib/classes/proxy-deployer.spec.ts
index acc9dd9a..196a70cb 100644
--- a/src/lib/classes/proxy-deployer.spec.ts
+++ b/src/lib/classes/proxy-deployer.spec.ts
@@ -1,5 +1,5 @@
-import { ethers, SignerWithAddress } from 'hardhat';
 import { hexlify, randomBytes } from 'ethers/lib/utils';
+import { ethers, SignerWithAddress } from 'hardhat';
 
 import { ProxyDeployer } from './proxy-deployer';
 
diff --git a/src/lib/services/universal-profile.service.spec.ts b/src/lib/services/universal-profile.service.spec.ts
index 4fbb286b..7cdebdc0 100644
--- a/src/lib/services/universal-profile.service.spec.ts
+++ b/src/lib/services/universal-profile.service.spec.ts
@@ -17,7 +17,6 @@ describe('LSP3Account Service', () => {
   });
 
   describe('prepareSetDataParameters', () => {
-    let abiCoder;
     let universalProfile, universalReceiverDelegate;
 
     beforeAll(async () => {
@@ -42,7 +41,7 @@ describe('LSP3Account Service', () => {
       // AddressPermissions[] array length should be 1
       const totalPermissionsSet =
         valuesToSet[keysToSet.indexOf(ERC725YDataKeys.LSP6['AddressPermissions[]'].length)];
-      const expectedLength = abiCoder.encode(['uint256'], [2]);
+      const expectedLength = ethers.utils.hexZeroPad(2, 16);
       expect(totalPermissionsSet).toEqual(expectedLength);
 
       // controller address should have default permissions set
@@ -80,7 +79,7 @@ describe('LSP3Account Service', () => {
       // AddressPermissions[] array length should be 2
       const totalPermissionsSet =
         valuesToSet[keysToSet.indexOf(ERC725YDataKeys.LSP6['AddressPermissions[]'].length)];
-      const expectedLength = abiCoder.encode(['uint256'], [controllerAddresses.length + 1]);
+      const expectedLength = ethers.utils.hexZeroPad(controllerAddresses.length + 1, 16);
       expect(totalPermissionsSet).toEqual(expectedLength);
 
       for (let index = 0; index < controllerAddresses.length; index++) {
@@ -121,7 +120,7 @@ describe('LSP3Account Service', () => {
       // AddressPermissions[] array length should be 11 (including Universal Receiver Delegate address)
       const totalPermissionsSet =
         valuesToSet[keysToSet.indexOf(ERC725YDataKeys.LSP6['AddressPermissions[]'].length)];
-      const expectedLength = abiCoder.encode(['uint256'], [controllerAddresses.length + 1]);
+      const expectedLength = ethers.utils.hexZeroPad(controllerAddresses.length + 1, 16);
       expect(totalPermissionsSet).toEqual(expectedLength);
 
       for (let index = 0; index < controllerAddresses.length; index++) {
diff --git a/src/lib/services/universal-profile.service.ts b/src/lib/services/universal-profile.service.ts
index 3fdea990..6160084f 100644
--- a/src/lib/services/universal-profile.service.ts
+++ b/src/lib/services/universal-profile.service.ts
@@ -441,7 +441,7 @@ export async function prepareSetDataParameters(
   const valuesToSet = [
     universalReceiverDelegateAddress,
     ERC725.encodePermissions({ SUPER_SETDATA: true, REENTRANCY: true }),
-    ethers.utils.defaultAbiCoder.encode(['uint256'], [controllerPermissions.length + 1]),
+    ethers.utils.hexZeroPad(ethers.utils.hexlify(controllerAddresses.length + 1), 16),
     ...controllerAddresses,
     ...controllerPermissions,
     universalReceiverDelegateAddress,