test passing, snapshot logic worked

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

@@ -834,6 +834,8 @@ contract OVM_ExecutionManager is iOVM_ExecutionManager {
             bytes memory _returndata
         )
     {
+        console.log("_callContract with nuisance gas:");
+        console.log(messageRecord.nuisanceGasLeft);
         return _handleExternalInteraction(
             _nextMessageContext,
             _gasLimit,
@@ -1126,6 +1128,7 @@ contract OVM_ExecutionManager is iOVM_ExecutionManager {
     )
         internal
     {
+        console.log("checking account load");
         // See `_checkContractStorageLoad` for more information.
         if (gasleft() < MIN_GAS_FOR_INVALID_STATE_ACCESS) {
             _revertWithFlag(RevertFlag.OUT_OF_GAS);
@@ -1145,10 +1148,14 @@ contract OVM_ExecutionManager is iOVM_ExecutionManager {
         // If we hadn't already loaded the account, then we'll need to charge "nuisance gas" based
         // on the size of the contract code.
         if (_wasAccountAlreadyLoaded == false) {
+            console.log("was not already loaded");
             _useNuisanceGas(
                 Lib_EthUtils.getCodeSize(_getAccountEthAddress(_address)) * NUISANCE_GAS_PER_CONTRACT_BYTE
             );
+            console.log("got code size:");
+            console.log(Lib_EthUtils.getCodeSize(_getAccountEthAddress(_address)));
         }
+        console.log("was already loaded");
     }
 
     /**
@@ -1414,6 +1421,8 @@ contract OVM_ExecutionManager is iOVM_ExecutionManager {
     )
         internal
     {
+        console.log("using nuisance gas of amount:");
+        console.log(_amount);
         // Essentially the same as a standard OUT_OF_GAS, except we also retain a record of the gas
         // refund to be given at the end of the transaction.
         if (messageRecord.nuisanceGasLeft < _amount) {

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

@@ -12,6 +12,8 @@ import {
   
   const DUMMY_REVERT_DATA =
     '0xdeadbeef1e5420deadbeef1e5420deadbeef1e5420deadbeef1e5420deadbeef1e5420'
+
+  console.log('cost multiplied:', Helper_TestRunner_BYTELEN * NUISANCE_GAS_COSTS.NUISANCE_GAS_PER_CONTRACT_BYTE, 'bytelenL:',Helper_TestRunner_BYTELEN )
   
   const test_nuisanceGas: TestDefinition = {
     name: 'Basic tests for nuisance gas',
@@ -47,7 +49,7 @@ import {
             postState: {
                 ExecutionManager: {
                     messageRecord: {
-                        nuisanceGasLeft: OVM_TX_GAS_LIMIT / 2
+                        nuisanceGasLeft: OVM_TX_GAS_LIMIT - Helper_TestRunner_BYTELEN * NUISANCE_GAS_COSTS.NUISANCE_GAS_PER_CONTRACT_BYTE
                     }
                 }
             },
@@ -56,10 +58,64 @@ import {
                     name: 'single ovmCALL',
                     focus: true,
                     steps: [
-                        // do a non-nuisance gas consuming opcode (test auto-wraps in ovmCALL)
+                        // do a non-nuisance-gas-consuming opcode (test runner auto-wraps in ovmCALL)
                         {
                           functionName: 'ovmADDRESS',
-                          expectedReturnValue: "$DUMMY_OVM_ADDRESS_1"
+                          expectedReturnValue: "$DUMMY_OVM_ADDRESS_1",
+                        },
+                    ],
+                }
+            ]
+        },
+        {
+            name: 'ovmCALL only consumes nuisance gas of CODESIZE * NUISANCE_GAS_PER_CONTRACT_BYTE for same contract called twice',
+            postState: {
+                ExecutionManager: {
+                    messageRecord: {
+                        nuisanceGasLeft: OVM_TX_GAS_LIMIT - Helper_TestRunner_BYTELEN * NUISANCE_GAS_COSTS.NUISANCE_GAS_PER_CONTRACT_BYTE
+                    }
+                }
+            },
+            parameters: [
+                {
+                    name: 'nested ovmCALL',
+                    focus: true,
+                    steps: [
+                        {
+                          functionName: 'ovmCALL',
+                          functionParams: {
+                              gasLimit: OVM_TX_GAS_LIMIT,
+                              target: "$DUMMY_OVM_ADDRESS_1",
+                              subSteps: []
+                          },
+                          expectedReturnStatus: true
+                        },
+                    ],
+                }
+            ]
+        },
+        {
+            name: 'ovmCALL only consumes nuisance gas of CODESIZE * NUISANCE_GAS_PER_CONTRACT_BYTE twice for two separate ovmCALLS',
+            postState: {
+                ExecutionManager: {
+                    messageRecord: {
+                        nuisanceGasLeft: OVM_TX_GAS_LIMIT - 2 * ( Helper_TestRunner_BYTELEN * NUISANCE_GAS_COSTS.NUISANCE_GAS_PER_CONTRACT_BYTE )
+                    }
+                }
+            },
+            parameters: [
+                {
+                    name: 'nested ovmCALL',
+                    // focus: true,
+                    steps: [
+                        {
+                          functionName: 'ovmCALL',
+                          functionParams: {
+                              gasLimit: OVM_TX_GAS_LIMIT,
+                              target: "$DUMMY_OVM_ADDRESS_2",
+                              subSteps: []
+                          },
+                          expectedReturnStatus: true
                         },
                     ],
                 }

packages/contracts/test/helpers/constants.ts

@@ -32,4 +32,4 @@ export const NUISANCE_GAS_COSTS = {
 }
 
   // TODO: get this exported/imported somehow in a way that we can do math on it.  unfortunately using require('.....artifacts/contract.json') is erroring...
-export  const Helper_TestRunner_BYTELEN = 3686
+export  const Helper_TestRunner_BYTELEN = 3654
\ No newline at end of file

packages/contracts/test/helpers/test-utils/test-runner.ts

@@ -123,10 +123,13 @@ export class ExecutionManagerTestRunner {
   }
 
   private async initContracts() {
+    console.log('initcontracts')
     if (this.snapshot) {
       await ethers.provider.send('evm_revert', [this.snapshot])
+      this.snapshot = await ethers.provider.send('evm_snapshot', [])
       return
     }
+    console.log('no snapshot')
 
     this.contracts.OVM_SafetyChecker = await (
       await ethers.getContractFactory('OVM_SafetyChecker')
@@ -201,7 +204,7 @@ export class ExecutionManagerTestRunner {
           functionName: 'ovmCALL',
           functionParams: {
             gasLimit: OVM_TX_GAS_LIMIT,
-            target: this.contracts.Helper_TestRunner.address,
+            target: ExecutionManagerTestRunner.getDummyAddress("$DUMMY_OVM_ADDRESS_1"),
             subSteps: step.functionParams.subSteps,
           },
           expectedReturnStatus: true,
@@ -226,7 +229,7 @@ export class ExecutionManagerTestRunner {
     } else {
       await this.contracts.OVM_ExecutionManager.ovmCALL(
         OVM_TX_GAS_LIMIT,
-        this.contracts.Helper_TestRunner.address,
+        ExecutionManagerTestRunner.getDummyAddress("$DUMMY_OVM_ADDRESS_1"),
         this.contracts.Helper_TestRunner.interface.encodeFunctionData(
           'runSingleTestStep',
           [this.parseTestStep(step)]