chore: remove unused SharedStructs library and institutions updates

contracts/Gateway.sol

@@ -5,7 +5,6 @@ import '@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol';
 
 import {GatewaySettingManager} from './GatewaySettingManager.sol';
 import {IGateway, IERC20} from './interfaces/IGateway.sol';
-import {SharedStructs} from './libraries/SharedStructs.sol';
 
 /**
  * @title Gateway
@@ -67,15 +66,20 @@ contract Gateway is IGateway, GatewaySettingManager, PausableUpgradeable {
 	function createOrder(
 		address _token,
 		uint256 _amount,
-		bytes32 _institutionCode,
 		uint96 _rate,
 		address _senderFeeRecipient,
 		uint256 _senderFee,
 		address _refundAddress,
 		string calldata messageHash
 	) external whenNotPaused returns (bytes32 orderId) {
 		// checks that are required
-		_handler(_token, _amount, _refundAddress, _senderFeeRecipient, _senderFee);
+		_handler(
+			_token,
+			_amount,
+			_refundAddress,
+			_senderFeeRecipient,
+			_senderFee
+		);
 
 		// validate messageHash
 		require(bytes(messageHash).length != 0, 'InvalidMessageHash');
@@ -112,7 +116,6 @@ contract Gateway is IGateway, GatewaySettingManager, PausableUpgradeable {
 			_protocolFee,
 			orderId,
 			_rate,
-			_institutionCode,
 			messageHash
 		);
 	}
@@ -239,20 +242,6 @@ contract Gateway is IGateway, GatewaySettingManager, PausableUpgradeable {
 		return false;
 	}
 
-	/** @dev See {getSupportedInstitutionByCode-IGateway}. */
-	function getSupportedInstitutionByCode(
-		bytes32 _code
-	) external view returns (SharedStructs.InstitutionByCode memory) {
-		return supportedInstitutionsByCode[_code];
-	}
-
-	/** @dev See {getSupportedInstitutions-IGateway}. */
-	function getSupportedInstitutions(
-		bytes32 _currency
-	) external view returns (SharedStructs.Institution[] memory) {
-		return supportedInstitutions[_currency];
-	}
-
 	/** @dev See {getFeeDetails-IGateway}. */
 	function getFeeDetails() external view returns (uint64, uint256) {
 		return (protocolFeePercent, MAX_BPS);

contracts/GatewaySettingManager.sol

@@ -8,27 +8,18 @@ pragma solidity ^0.8.18;
 
 import '@openzeppelin/contracts-upgradeable/access/Ownable2StepUpgradeable.sol';
 
-import {SharedStructs} from './libraries/SharedStructs.sol';
-
 contract GatewaySettingManager is Ownable2StepUpgradeable {
 	uint256 internal MAX_BPS;
 	uint64 internal protocolFeePercent;
 	address internal treasuryAddress;
 	address internal _aggregatorAddress;
+	mapping(address => uint256) internal _isTokenSupported;
 
 	// this should decrease if more slots are needed on this contract to avoid collisions with base contract
 	uint256[50] private __gap;
 
-	mapping(address => uint256) internal _isTokenSupported;
-
-	mapping(bytes32 => SharedStructs.Institution[]) internal supportedInstitutions;
-	mapping(bytes32 => SharedStructs.InstitutionByCode) internal supportedInstitutionsByCode;
 
 	event SettingManagerBool(bytes32 indexed what, address indexed value, uint256 status);
-	event SupportedInstitutionsUpdated(
-		bytes32 indexed currency,
-		SharedStructs.Institution[] institutions
-	);
 	event ProtocolFeeUpdated(uint64 protocolFee);
 	event ProtocolAddressUpdated(bytes32 indexed what, address indexed treasuryAddress);
 	event SetFeeRecipient(address indexed treasuryAddress);
@@ -54,29 +45,6 @@ contract GatewaySettingManager is Ownable2StepUpgradeable {
 		}
 	}
 
-	/**
-	 * @dev Sets the supported institutions for a specific currency.
-	 * @param currency The currency for which the institutions are being set.
-	 * @param institutions The array of institutions to be set.
-	 */
-	function setSupportedInstitutions(
-		bytes32 currency,
-		SharedStructs.Institution[] memory institutions
-	) external onlyOwner {
-		delete supportedInstitutions[currency];
-		for (uint i; i < institutions.length; ) {
-			supportedInstitutions[currency].push(institutions[i]);
-			supportedInstitutionsByCode[institutions[i].code] = SharedStructs.InstitutionByCode({
-				name: institutions[i].name,
-				currency: currency
-			});
-			unchecked {
-				++i;
-			}
-		}
-		emit SupportedInstitutionsUpdated(currency, supportedInstitutions[currency]);
-	}
-
 	/**
 	 * @dev Updates the protocol fee percentage.
 	 * @param _protocolFeePercent The new protocol fee percentage to be set.