add fixed nuisance gas for ovmCALL

packages/contracts/contracts/optimistic-ethereum/OVM/execution/OVM_ExecutionManager.sol

@@ -49,6 +49,7 @@ contract OVM_ExecutionManager is iOVM_ExecutionManager {
     address constant GAS_METADATA_ADDRESS = 0x06a506A506a506A506a506a506A506A506A506A5;
     uint256 constant NUISANCE_GAS_SLOAD = 20000;
     uint256 constant NUISANCE_GAS_SSTORE = 20000;
+    uint256 constant MIN_NUISANCE_GAS_PER_CONTRACT = 30000;
     uint256 constant NUISANCE_GAS_PER_CONTRACT_BYTE = 100;
     uint256 constant MIN_GAS_FOR_INVALID_STATE_ACCESS = 30000;
 
@@ -1161,7 +1162,7 @@ contract OVM_ExecutionManager is iOVM_ExecutionManager {
         if (_wasAccountAlreadyLoaded == false) {
             console.log("was not already loaded");
             _useNuisanceGas(
-                Lib_EthUtils.getCodeSize(_getAccountEthAddress(_address)) * NUISANCE_GAS_PER_CONTRACT_BYTE
+                (Lib_EthUtils.getCodeSize(_getAccountEthAddress(_address)) * NUISANCE_GAS_PER_CONTRACT_BYTE) + MIN_NUISANCE_GAS_PER_CONTRACT
             );
             console.log("got code size:");
             console.log(Lib_EthUtils.getCodeSize(_getAccountEthAddress(_address)));
@@ -1190,7 +1191,7 @@ contract OVM_ExecutionManager is iOVM_ExecutionManager {
         if (_wasAccountAlreadyChanged == false) {
             ovmStateManager.incrementTotalUncommittedAccounts();
             _useNuisanceGas(
-                Lib_EthUtils.getCodeSize(_getAccountEthAddress(_address)) * NUISANCE_GAS_PER_CONTRACT_BYTE
+                (Lib_EthUtils.getCodeSize(_getAccountEthAddress(_address)) * NUISANCE_GAS_PER_CONTRACT_BYTE) + MIN_NUISANCE_GAS_PER_CONTRACT
             );
         }
     }

packages/contracts/test/contracts/OVM/execution/OVM_ExecutionManager/nuisance-gas.spec.ts

@@ -15,7 +15,11 @@ import {
     '0xdeadbeef1e5420deadbeef1e5420deadbeef1e5420deadbeef1e5420deadbeef1e5420'
 
 const CREATED_CONTRACT_1 = '0x2bda4a99d5be88609d23b1e4ab5d1d34fb1c2feb'
+
+const FRESH_CALL_NUISANCE_GAS_COST = Helper_TestRunner_BYTELEN * NUISANCE_GAS_COSTS.NUISANCE_GAS_PER_CONTRACT_BYTE + NUISANCE_GAS_COSTS.MIN_NUISANCE_GAS_PER_CONTRACT
   
+console.log(`first call cost: ${FRESH_CALL_NUISANCE_GAS_COST}`)
+
   const test_nuisanceGas: TestDefinition = {
     name: 'Basic tests for nuisance gas',
     preState: {
@@ -54,7 +58,7 @@ const CREATED_CONTRACT_1 = '0x2bda4a99d5be88609d23b1e4ab5d1d34fb1c2feb'
             postState: {
                 ExecutionManager: {
                     messageRecord: {
-                        nuisanceGasLeft: OVM_TX_GAS_LIMIT - Helper_TestRunner_BYTELEN * NUISANCE_GAS_COSTS.NUISANCE_GAS_PER_CONTRACT_BYTE
+                        nuisanceGasLeft: OVM_TX_GAS_LIMIT - FRESH_CALL_NUISANCE_GAS_COST
                     }
                 }
             },
@@ -90,7 +94,7 @@ const CREATED_CONTRACT_1 = '0x2bda4a99d5be88609d23b1e4ab5d1d34fb1c2feb'
             postState: {
                 ExecutionManager: {
                     messageRecord: {
-                        nuisanceGasLeft: OVM_TX_GAS_LIMIT - 2 * ( Helper_TestRunner_BYTELEN * NUISANCE_GAS_COSTS.NUISANCE_GAS_PER_CONTRACT_BYTE )
+                        nuisanceGasLeft: OVM_TX_GAS_LIMIT - 2 * FRESH_CALL_NUISANCE_GAS_COST
                     }
                 }
             },
@@ -140,7 +144,7 @@ const CREATED_CONTRACT_1 = '0x2bda4a99d5be88609d23b1e4ab5d1d34fb1c2feb'
             postState: {
                 ExecutionManager: {
                     messageRecord: {
-                        nuisanceGasLeft: OVM_TX_GAS_LIMIT - ( Helper_TestRunner_BYTELEN * NUISANCE_GAS_COSTS.NUISANCE_GAS_PER_CONTRACT_BYTE ) - OVM_TX_GAS_LIMIT / 2
+                        nuisanceGasLeft: OVM_TX_GAS_LIMIT - FRESH_CALL_NUISANCE_GAS_COST - OVM_TX_GAS_LIMIT / 2
                     }
                 }
             },

packages/contracts/test/helpers/constants.ts

@@ -27,6 +27,7 @@ export const VERIFIED_EMPTY_CONTRACT_HASH =
 export const NUISANCE_GAS_COSTS = {
   NUISANCE_GAS_SLOAD: 20000,
   NUISANCE_GAS_SSTORE: 20000,
+  MIN_NUISANCE_GAS_PER_CONTRACT: 30000,
   NUISANCE_GAS_PER_CONTRACT_BYTE: 100,
   MIN_GAS_FOR_INVALID_STATE_ACCESS: 30000,
 }