Remove float. (#54)

Author: dvc94ch

.env.example

@@ -3,8 +3,7 @@
 
 pragma solidity >=0.8.20;
 
-import {UFloat9x56, UFloatMath} from "./Float9x56.sol";
-import {BranchlessMath} from "./BranchlessMath.sol";
+import {BranchlessMath} from "./utils/BranchlessMath.sol";
 
 /**
  * @dev Utilities for compute the GMP gas price, gas cost and gas needed.
@@ -43,7 +42,7 @@ library GasUtils {
     /**
      * @dev Base cost of the `IExecutor.execute` method.
      */
-    uint256 internal constant EXECUTION_BASE_COST = EXECUTION_SELECTOR_OVERHEAD + 46960 + 264 + 2180;
+    uint256 internal constant EXECUTION_BASE_COST = EXECUTION_SELECTOR_OVERHEAD + 46960 + 69 + 2180;
 
     /**
      * @dev Solidity's reserved location for the free memory pointer.
@@ -110,26 +109,6 @@ library GasUtils {
         }
     }
 
-    /**
-     * @dev Estimate the price in wei for send an GMP message.
-     * @param gasPrice The gas price in UFloat9x56 format.
-     * @param baseFee The base fee in wei.
-     * @param nonZeros The number of non-zero bytes in the gmp data.
-     * @param zeros The number of zero bytes in the gmp data.
-     * @param gasLimit The message gas limit.
-     */
-    function estimateWeiCost(UFloat9x56 gasPrice, uint256 baseFee, uint16 nonZeros, uint16 zeros, uint256 gasLimit)
-        internal
-        pure
-        returns (uint256)
-    {
-        // Add execution cost
-        uint256 gasCost = estimateGas(nonZeros, zeros, gasLimit);
-
-        // Calculate the gas cost: gasPrice * gasCost + baseFee
-        return UFloatMath.saturatingMul(gasPrice, gasCost).saturatingAdd(baseFee);
-    }
-
     /**
      * @dev Estimate the gas cost of a GMP message.
      * @param dataNonZeros The number of non-zero bytes in the gmp data.

lib/frost-evm

@@ -4,10 +4,9 @@
 pragma solidity >=0.8.0;
 
 import {Hashing} from "./utils/Hashing.sol";
-import {Schnorr} from "./utils/Schnorr.sol";
+import {Schnorr} from "../lib/frost-evm/sol/Schnorr.sol";
 import {BranchlessMath} from "./utils/BranchlessMath.sol";
-import {GasUtils} from "./utils/GasUtils.sol";
-import {UFloat9x56, UFloatMath} from "./utils/Float9x56.sol";
+import {GasUtils} from "./GasUtils.sol";
 import {RouteStore} from "./storage/Routes.sol";
 import {ShardStore} from "./storage/Shards.sol";
 import {IGateway} from "./interfaces/IGateway.sol";
@@ -65,7 +64,6 @@ contract Gateway is IGateway, GatewayEIP712, UUPSUpgradeable, OwnableUpgradeable
     using PrimitiveUtils for GmpCallback;
     using PrimitiveUtils for address;
     using BranchlessMath for uint256;
-    using UFloatMath for UFloat9x56;
     using ShardStore for ShardStore.MainStorage;
     using RouteStore for RouteStore.MainStorage;
     using RouteStore for RouteStore.NetworkInfo;
@@ -200,7 +198,7 @@ contract Gateway is IGateway, GatewayEIP712, UUPSUpgradeable, OwnableUpgradeable
         _checkGmpMessage(gmp);
         // Convert the `GmpMessage` into `GmpCallback`, which is a more efficient representation.
         // see `src/Primitives.sol` for more details.
-        GmpCallback memory callback = gmp.intoCallback();
+        GmpCallback memory callback = gmp.toCallback();
         operationHash = callback.opHash;
         _execute(callback);
     }
@@ -462,7 +460,7 @@ contract Gateway is IGateway, GatewayEIP712, UUPSUpgradeable, OwnableUpgradeable
 
         // Convert the `GmpMessage` into `GmpCallback`, which is a more efficient representation.
         // see `src/Primitives.sol` for more details.
-        GmpCallback memory callback = message.intoCallback();
+        GmpCallback memory callback = message.toCallback();
 
         // Verify the TSS Schnorr Signature
         _verifySignature(signature, callback.opHash);