From 9a83ce7f17884b265f5761e02784eb246a6b639f Mon Sep 17 00:00:00 2001
From: GitGuru7 <128375421+GitGuru7@users.noreply.github.com>
Date: Wed, 21 Feb 2024 18:03:29 +0530
Subject: [PATCH] feat: add decimals() functionalitity in Multichain token

---
 contracts/Token/TokenBridgeController.sol | 4 ++++
 contracts/interfaces/IMultichainToken.sol | 2 ++
 contracts/test/MockToken.sol              | 8 ++++++++
 3 files changed, 14 insertions(+)

diff --git a/contracts/Token/TokenBridgeController.sol b/contracts/Token/TokenBridgeController.sol
index c6785e6..b72c8a6 100644
--- a/contracts/Token/TokenBridgeController.sol
+++ b/contracts/Token/TokenBridgeController.sol
@@ -54,6 +54,10 @@ contract TokenBridgeController is MultichainTokenController {
         _increaseMintLimit(msg.sender, amount_);
     }
 
+    function decimals() external view returns (uint8) {
+        return INNER_TOKEN.decimals();
+    }
+
     /**
      * @notice Hook that is called before any transfer of tokens. This includes
      * minting and burning.
diff --git a/contracts/interfaces/IMultichainToken.sol b/contracts/interfaces/IMultichainToken.sol
index 54c0a63..a1c0173 100644
--- a/contracts/interfaces/IMultichainToken.sol
+++ b/contracts/interfaces/IMultichainToken.sol
@@ -10,4 +10,6 @@ interface IMultichainToken {
     function mint(address to, uint256 amount) external;
 
     function burn(address from, uint256 amount) external;
+
+    function decimals() external view returns (uint8);
 }
diff --git a/contracts/test/MockToken.sol b/contracts/test/MockToken.sol
index 8f8f337..d43c10c 100644
--- a/contracts/test/MockToken.sol
+++ b/contracts/test/MockToken.sol
@@ -21,4 +21,12 @@ contract MockToken is ERC20 {
     function decimals() public view virtual override returns (uint8) {
         return _decimals;
     }
+
+    function mint(address account, uint256 amount) external {
+        _mint(account, amount);
+    }
+
+    function burn(address account, uint256 amount) external {
+        _burn(account, amount);
+    }
 }