Version 4.1.3 (#188)

## [4.1.3] ### Update - **AbstractProxy**: updated the storage slot for `TREXImplementationAuthority` from `0xc5f16f0fcc639fa48a6947836d9850f504798523bf8c9a3a87d5876cf622bcf7` to `0x821f3e4d3d679f19eacc940c87acf846ea6eae24a63058ea750304437a62aafc` to avoid issues with blockchain explorers confusing the proxy pattern of T-REX for an ERC-1822 proxy (old storage slot was the slot used by ERC-1822) which caused errors in displaying the right ABIs for proxies using this implementation.
TokenySolutions · Feb 13, 2024 · 0fa344b · 0fa344b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,16 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+## [4.1.3]
+
+### Update
+
+- **AbstractProxy**: updated the storage slot for `TREXImplementationAuthority` from 
+  `0xc5f16f0fcc639fa48a6947836d9850f504798523bf8c9a3a87d5876cf622bcf7` to 
+  `0x821f3e4d3d679f19eacc940c87acf846ea6eae24a63058ea750304437a62aafc` to avoid issues with blockchain explorers 
+  confusing the proxy pattern of T-REX for an ERC-1822 proxy (old storage slot was the slot used by ERC-1822) which 
+  caused errors in displaying the right ABIs for proxies using this implementation.  
+
 ## [4.1.2]
 - **Compliance Modules**:
   - Removed `_compliance` parameter from `setSupplyLimit` function of the `SupplyLimitModule`

diff --git a/contracts/proxy/AbstractProxy.sol b/contracts/proxy/AbstractProxy.sol
@@ -93,18 +93,19 @@ abstract contract AbstractProxy is IProxy, Initializable {
         address implemAuth;
         // solhint-disable-next-line no-inline-assembly
         assembly {
-            implemAuth := sload(0xc5f16f0fcc639fa48a6947836d9850f504798523bf8c9a3a87d5876cf622bcf7)
+            implemAuth := sload(0x821f3e4d3d679f19eacc940c87acf846ea6eae24a63058ea750304437a62aafc)
         }
         return implemAuth;
     }
 
     /**
-     *  @dev store the implementationAuthority contract address using the ERC-1822 implementation slot in storage
+     *  @dev store the implementationAuthority contract address using the ERC-3643 implementation slot in storage
+     *  the slot storage is the result of `keccak256("ERC-3643.proxy.beacon")`
      */
     function _storeImplementationAuthority(address implementationAuthority) internal {
         // solhint-disable-next-line no-inline-assembly
         assembly {
-            sstore(0xc5f16f0fcc639fa48a6947836d9850f504798523bf8c9a3a87d5876cf622bcf7, implementationAuthority)
+            sstore(0x821f3e4d3d679f19eacc940c87acf846ea6eae24a63058ea750304437a62aafc, implementationAuthority)
         }
     }
 

diff --git a/contracts/token/TokenStorage.sol b/contracts/token/TokenStorage.sol
@@ -76,7 +76,7 @@ contract TokenStorage {
     string internal _tokenSymbol;
     uint8 internal _tokenDecimals;
     address internal _tokenOnchainID;
-    string internal constant _TOKEN_VERSION = "4.1.1";
+    string internal constant _TOKEN_VERSION = "4.1.3";
 
     /// @dev Variables of freeze and pause functions
     mapping(address => bool) internal _frozen;

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tokenysolutions/t-rex",
-  "version": "4.1.2",
+  "version": "4.1.3",
   "description": "A fully compliant environment for the issuance and use of tokenized securities.",
   "main": "index.js",
   "directories": {