refactor(tests): migrate from smock v1 to smock v2

packages/contracts/package.json

@@ -66,7 +66,6 @@
   "devDependencies": {
     "@codechecks/client": "^0.1.11",
     "@defi-wonderland/smock": "^2.0.2",
-    "@eth-optimism/smock": "1.1.10",
     "@nomiclabs/ethereumjs-vm": "^4.2.2",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-etherscan": "^2.1.6",

packages/contracts/test/contracts/L1/messaging/L1CrossDomainMessenger.spec.ts

 /* External Imports */
 import { ethers } from 'hardhat'
 import { Signer, ContractFactory, Contract, BigNumber } from 'ethers'
-import { smockit, MockContract } from '@eth-optimism/smock'
-import { smock, MockContractFactory } from '@defi-wonderland/smock'
+import {
+  smock,
+  MockContractFactory,
+  FakeContract,
+} from '@defi-wonderland/smock'
 import {
   remove0x,
   toHexString,
@@ -56,9 +59,9 @@ describe('L1CrossDomainMessenger', () => {
     AddressManager = await makeAddressManager()
   })
 
-  let Mock__TargetContract: MockContract
-  let Mock__L2CrossDomainMessenger: MockContract
-  let Mock__StateCommitmentChain: MockContract
+  let Fake__TargetContract: FakeContract
+  let Fake__L2CrossDomainMessenger: FakeContract
+  let Fake__StateCommitmentChain: FakeContract
 
   let Factory__CanonicalTransactionChain: ContractFactory
   let Factory__ChainStorageContainer: ContractFactory
@@ -66,28 +69,28 @@ describe('L1CrossDomainMessenger', () => {
 
   let CanonicalTransactionChain: Contract
   before(async () => {
-    Mock__TargetContract = await smockit(
+    Fake__TargetContract = await smock.fake<Contract>(
       await ethers.getContractFactory('Helper_SimpleProxy')
     )
-    Mock__L2CrossDomainMessenger = await smockit(
+    Fake__L2CrossDomainMessenger = await smock.fake<Contract>(
       await ethers.getContractFactory('L2CrossDomainMessenger'),
       {
         address: predeploys.L2CrossDomainMessenger,
       }
     )
-    Mock__StateCommitmentChain = await smockit(
+    Fake__StateCommitmentChain = await smock.fake<Contract>(
       await ethers.getContractFactory('StateCommitmentChain')
     )
 
     await AddressManager.setAddress(
       'L2CrossDomainMessenger',
-      Mock__L2CrossDomainMessenger.address
+      Fake__L2CrossDomainMessenger.address
     )
 
     await setProxyTarget(
       AddressManager,
       'StateCommitmentChain',
-      Mock__StateCommitmentChain
+      Fake__StateCommitmentChain
     )
 
     Factory__CanonicalTransactionChain = await ethers.getContractFactory(
@@ -178,7 +181,7 @@ describe('L1CrossDomainMessenger', () => {
           ['address', 'address', 'uint256', 'bytes'],
           [
             applyL1ToL2Alias(L1CrossDomainMessenger.address),
-            Mock__L2CrossDomainMessenger.address,
+            Fake__L2CrossDomainMessenger.address,
             gasLimit,
             calldata,
           ]
@@ -322,7 +325,7 @@ describe('L1CrossDomainMessenger', () => {
           .to.emit(CanonicalTransactionChain, 'TransactionEnqueued')
           .withArgs(
             applyL1ToL2Alias(L1CrossDomainMessenger.address),
-            Mock__L2CrossDomainMessenger.address,
+            Fake__L2CrossDomainMessenger.address,
             newGasLimit,
             encodeXDomainCalldata(target, sender, message, queueIndex),
             newQueueIndex,
@@ -388,7 +391,7 @@ describe('L1CrossDomainMessenger', () => {
 
     const storageKey = ethers.utils.keccak256(
       ethers.utils.keccak256(
-        calldata + remove0x(Mock__L2CrossDomainMessenger.address)
+        calldata + remove0x(Fake__L2CrossDomainMessenger.address)
       ) + '00'.repeat(32)
     )
     const storageGenerator = await TrieTestGenerator.fromNodes({
@@ -439,8 +442,8 @@ describe('L1CrossDomainMessenger', () => {
     let proof: any
     let calldata: string
     before(async () => {
-      target = Mock__TargetContract.address
-      message = Mock__TargetContract.interface.encodeFunctionData('setTarget', [
+      target = Fake__TargetContract.address
+      message = Fake__TargetContract.interface.encodeFunctionData('setTarget', [
         NON_ZERO_ADDRESS,
       ])
       sender = await signer.getAddress()
@@ -455,18 +458,12 @@ describe('L1CrossDomainMessenger', () => {
     })
 
     beforeEach(async () => {
-      Mock__StateCommitmentChain.smocked.verifyStateCommitment.will.return.with(
-        true
-      )
-      Mock__StateCommitmentChain.smocked.insideFraudProofWindow.will.return.with(
-        false
-      )
+      Fake__StateCommitmentChain.verifyStateCommitment.returns(true)
+      Fake__StateCommitmentChain.insideFraudProofWindow.returns(false)
     })
 
     it('should revert if still inside the fraud proof window', async () => {
-      Mock__StateCommitmentChain.smocked.insideFraudProofWindow.will.return.with(
-        true
-      )
+      Fake__StateCommitmentChain.insideFraudProofWindow.returns(true)
 
       const proof1 = {
         stateRoot: ethers.constants.HashZero,
@@ -502,9 +499,7 @@ describe('L1CrossDomainMessenger', () => {
     })
 
     it('should revert if provided an invalid state root proof', async () => {
-      Mock__StateCommitmentChain.smocked.verifyStateCommitment.will.return.with(
-        false
-      )
+      Fake__StateCommitmentChain.verifyStateCommitment.returns(false)
 
       const proof1 = {
         stateRoot: ethers.constants.HashZero,

packages/contracts/test/contracts/L1/messaging/deposit.gas.spec.ts

 /* External Imports */
 import { ethers } from 'hardhat'
 import { Signer, ContractFactory, Contract } from 'ethers'
-import { smoddit } from '@eth-optimism/smock'
+import { MockContract, smock } from '@defi-wonderland/smock'
 import { expectApprox } from '@eth-optimism/core-utils'
 
 /* Internal Imports */
@@ -92,7 +92,7 @@ describe('[GAS BENCHMARK] Depositing via the standard bridge [ @skip-on-coverage
   })
 
   // 4 Bridge
-  let L1ERC20: Contract
+  let L1ERC20: MockContract<Contract>
   let L1StandardBridge: Contract
   before('Deploy the bridge and setup the token', async () => {
     // Deploy the Bridge
@@ -105,14 +105,12 @@ describe('[GAS BENCHMARK] Depositing via the standard bridge [ @skip-on-coverage
     )
 
     L1ERC20 = await (
-      await smoddit('@openzeppelin/contracts/token/ERC20/ERC20.sol:ERC20')
+      await smock.mock('@openzeppelin/contracts/token/ERC20/ERC20.sol:ERC20')
     ).deploy('L1ERC20', 'ERC')
     const aliceAddress = await alice.getAddress()
-    await L1ERC20.smodify.put({
-      _totalSupply: INITIAL_TOTAL_L1_SUPPLY,
-      _balances: {
-        [aliceAddress]: INITIAL_TOTAL_L1_SUPPLY,
-      },
+    await L1ERC20.setVariable('_totalSupply', INITIAL_TOTAL_L1_SUPPLY)
+    await L1ERC20.setVariable('_balances', {
+      [aliceAddress]: INITIAL_TOTAL_L1_SUPPLY,
     })
   })
 

packages/contracts/test/contracts/L1/rollup/CanonicalTransactionChain.gas.spec.ts

 /* External Imports */
 import { ethers } from 'hardhat'
 import { Signer, ContractFactory, Contract } from 'ethers'
-import { smockit, MockContract } from '@eth-optimism/smock'
+import { smock, FakeContract } from '@defi-wonderland/smock'
 import {
   AppendSequencerBatchParams,
   BatchContext,
@@ -46,7 +46,7 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
   })
 
   let AddressManager: Contract
-  let Mock__StateCommitmentChain: MockContract
+  let Fake__StateCommitmentChain: FakeContract
   before(async () => {
     AddressManager = await makeAddressManager()
     await AddressManager.setAddress(
@@ -54,14 +54,14 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
       await sequencer.getAddress()
     )
 
-    Mock__StateCommitmentChain = await smockit(
+    Fake__StateCommitmentChain = await smock.fake<Contract>(
       await ethers.getContractFactory('StateCommitmentChain')
     )
 
     await setProxyTarget(
       AddressManager,
       'StateCommitmentChain',
-      Mock__StateCommitmentChain
+      Fake__StateCommitmentChain
     )
   })
 

packages/contracts/test/contracts/L1/rollup/CanonicalTransactionChain.spec.ts

 /* External Imports */
 import { ethers } from 'hardhat'
 import { Signer, ContractFactory, Contract } from 'ethers'
-import { smockit, MockContract } from '@eth-optimism/smock'
+import { smock, FakeContract } from '@defi-wonderland/smock'
 import {
   AppendSequencerBatchParams,
   encodeAppendSequencerBatch,
@@ -69,7 +69,7 @@ describe('CanonicalTransactionChain', () => {
   })
 
   let AddressManager: Contract
-  let Mock__StateCommitmentChain: MockContract
+  let Fake__StateCommitmentChain: FakeContract
   before(async () => {
     AddressManager = await makeAddressManager()
     await AddressManager.setAddress(
@@ -77,14 +77,14 @@ describe('CanonicalTransactionChain', () => {
       await sequencer.getAddress()
     )
 
-    Mock__StateCommitmentChain = await smockit(
+    Fake__StateCommitmentChain = await smock.fake<Contract>(
       await ethers.getContractFactory('StateCommitmentChain')
     )
 
     await setProxyTarget(
       AddressManager,
       'StateCommitmentChain',
-      Mock__StateCommitmentChain
+      Fake__StateCommitmentChain
     )
   })
 

packages/contracts/test/contracts/L1/rollup/StateCommitmentChain.spec.ts

 /* External Imports */
 import { ethers } from 'hardhat'
 import { Signer, ContractFactory, Contract, constants } from 'ethers'
-import { smockit, MockContract } from '@eth-optimism/smock'
+import { smock, FakeContract } from '@defi-wonderland/smock'
 
 /* Internal Imports */
 import { expect } from '../../../setup'
@@ -25,26 +25,26 @@ describe('StateCommitmentChain', () => {
     AddressManager = await makeAddressManager()
   })
 
-  let Mock__CanonicalTransactionChain: MockContract
-  let Mock__BondManager: MockContract
+  let Fake__CanonicalTransactionChain: FakeContract
+  let Fake__BondManager: FakeContract
   before(async () => {
-    Mock__CanonicalTransactionChain = await smockit(
+    Fake__CanonicalTransactionChain = await smock.fake<Contract>(
       await ethers.getContractFactory('CanonicalTransactionChain')
     )
 
     await setProxyTarget(
       AddressManager,
       'CanonicalTransactionChain',
-      Mock__CanonicalTransactionChain
+      Fake__CanonicalTransactionChain
     )
 
-    Mock__BondManager = await smockit(
+    Fake__BondManager = await smock.fake<Contract>(
       await ethers.getContractFactory('BondManager')
     )
 
-    await setProxyTarget(AddressManager, 'BondManager', Mock__BondManager)
+    await setProxyTarget(AddressManager, 'BondManager', Fake__BondManager)
 
-    Mock__BondManager.smocked.isCollateralized.will.return.with(true)
+    Fake__BondManager.isCollateralized.returns(true)
 
     await AddressManager.setAddress(
       'OVM_Proposer',
@@ -114,7 +114,7 @@ describe('StateCommitmentChain', () => {
 
       describe('when submitting more elements than present in the CanonicalTransactionChain', () => {
         before(() => {
-          Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
+          Fake__CanonicalTransactionChain.getTotalElements.returns(
             batch.length - 1
           )
         })
@@ -130,9 +130,7 @@ describe('StateCommitmentChain', () => {
 
       describe('when not submitting more elements than present in the CanonicalTransactionChain', () => {
         before(() => {
-          Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
-            batch.length
-          )
+          Fake__CanonicalTransactionChain.getTotalElements.returns(batch.length)
         })
 
         it('should append the state batch', async () => {
@@ -143,7 +141,7 @@ describe('StateCommitmentChain', () => {
 
       describe('when a sequencer submits ', () => {
         beforeEach(async () => {
-          Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
+          Fake__CanonicalTransactionChain.getTotalElements.returns(
             batch.length * 2
           )
 
@@ -182,7 +180,7 @@ describe('StateCommitmentChain', () => {
       })
       describe('when the proposer has not previously staked at the BondManager', () => {
         before(() => {
-          Mock__BondManager.smocked.isCollateralized.will.return.with(false)
+          Fake__BondManager.isCollateralized.returns(false)
         })
 
         it('should revert', async () => {
@@ -207,13 +205,11 @@ describe('StateCommitmentChain', () => {
     }
 
     before(() => {
-      Mock__BondManager.smocked.isCollateralized.will.return.with(true)
+      Fake__BondManager.isCollateralized.returns(true)
     })
 
     beforeEach(async () => {
-      Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
-        batch.length
-      )
+      Fake__CanonicalTransactionChain.getTotalElements.returns(batch.length)
       await StateCommitmentChain.appendStateBatch(batch, 0)
       batchHeader.extraData = ethers.utils.defaultAbiCoder.encode(
         ['uint256', 'address'],
@@ -329,9 +325,7 @@ describe('StateCommitmentChain', () => {
     describe('when one batch element has been inserted', () => {
       beforeEach(async () => {
         const batch = [NON_NULL_BYTES32]
-        Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
-          batch.length
-        )
+        Fake__CanonicalTransactionChain.getTotalElements.returns(batch.length)
         await StateCommitmentChain.appendStateBatch(batch, 0)
       })
 
@@ -343,9 +337,7 @@ describe('StateCommitmentChain', () => {
     describe('when 64 batch elements have been inserted in one batch', () => {
       beforeEach(async () => {
         const batch = Array(64).fill(NON_NULL_BYTES32)
-        Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
-          batch.length
-        )
+        Fake__CanonicalTransactionChain.getTotalElements.returns(batch.length)
         await StateCommitmentChain.appendStateBatch(batch, 0)
       })
 
@@ -357,7 +349,7 @@ describe('StateCommitmentChain', () => {
     describe('when 32 batch elements have been inserted in each of two batches', () => {
       beforeEach(async () => {
         const batch = Array(32).fill(NON_NULL_BYTES32)
-        Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
+        Fake__CanonicalTransactionChain.getTotalElements.returns(
           batch.length * 2
         )
         await StateCommitmentChain.appendStateBatch(batch, 0)
@@ -380,9 +372,7 @@ describe('StateCommitmentChain', () => {
     describe('when one batch has been inserted', () => {
       beforeEach(async () => {
         const batch = [NON_NULL_BYTES32]
-        Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
-          batch.length
-        )
+        Fake__CanonicalTransactionChain.getTotalElements.returns(batch.length)
         await StateCommitmentChain.appendStateBatch(batch, 0)
       })
 
@@ -394,7 +384,7 @@ describe('StateCommitmentChain', () => {
     describe('when 8 batches have been inserted', () => {
       beforeEach(async () => {
         const batch = [NON_NULL_BYTES32]
-        Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
+        Fake__CanonicalTransactionChain.getTotalElements.returns(
           batch.length * 8
         )
 
@@ -422,9 +412,7 @@ describe('StateCommitmentChain', () => {
       let timestamp
       beforeEach(async () => {
         const batch = [NON_NULL_BYTES32]
-        Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
-          batch.length
-        )
+        Fake__CanonicalTransactionChain.getTotalElements.returns(batch.length)
         await StateCommitmentChain.appendStateBatch(batch, 0)
         timestamp = await getEthTime(ethers.provider)
       })
@@ -455,13 +443,11 @@ describe('StateCommitmentChain', () => {
     const element = NON_NULL_BYTES32
 
     before(async () => {
-      Mock__BondManager.smocked.isCollateralized.will.return.with(true)
+      Fake__BondManager.isCollateralized.returns(true)
     })
 
     beforeEach(async () => {
-      Mock__CanonicalTransactionChain.smocked.getTotalElements.will.return.with(
-        batch.length
-      )
+      Fake__CanonicalTransactionChain.getTotalElements.returns(batch.length)
       await StateCommitmentChain.appendStateBatch(batch, 0)
       batchHeader.extraData = ethers.utils.defaultAbiCoder.encode(
         ['uint256', 'address'],

packages/contracts/test/contracts/L2/messaging/L2CrossDomainMessenger.spec.ts

 /* External Imports */
 import hre, { ethers } from 'hardhat'
 import { Signer, ContractFactory, Contract } from 'ethers'
-import { smockit, MockContract } from '@eth-optimism/smock'
 import { applyL1ToL2Alias } from '@eth-optimism/core-utils'
-import { smock, MockContractFactory } from '@defi-wonderland/smock'
+import {
+  smock,
+  MockContractFactory,
+  FakeContract,
+} from '@defi-wonderland/smock'
 
 /* Internal Imports */
 import { expect } from '../../../setup'
@@ -20,17 +23,17 @@ describe('L2CrossDomainMessenger', () => {
     ;[signer] = await ethers.getSigners()
   })
 
-  let Mock__TargetContract: MockContract
-  let Mock__L1CrossDomainMessenger: MockContract
-  let Mock__OVM_L2ToL1MessagePasser: MockContract
+  let Fake__TargetContract: FakeContract
+  let Fake__L1CrossDomainMessenger: FakeContract
+  let Fake__OVM_L2ToL1MessagePasser: FakeContract
   before(async () => {
-    Mock__TargetContract = await smockit(
+    Fake__TargetContract = await smock.fake<Contract>(
       await ethers.getContractFactory('Helper_SimpleProxy')
     )
-    Mock__L1CrossDomainMessenger = await smockit(
+    Fake__L1CrossDomainMessenger = await smock.fake<Contract>(
       await ethers.getContractFactory('L1CrossDomainMessenger')
     )
-    Mock__OVM_L2ToL1MessagePasser = await smockit(
+    Fake__OVM_L2ToL1MessagePasser = await smock.fake<Contract>(
       await ethers.getContractFactory('OVM_L2ToL1MessagePasser'),
       { address: predeploys.OVM_L2ToL1MessagePasser }
     )
@@ -39,7 +42,7 @@ describe('L2CrossDomainMessenger', () => {
   let impersonatedL1CrossDomainMessengerSender: Signer
   before(async () => {
     const impersonatedAddress = applyL1ToL2Alias(
-      Mock__L1CrossDomainMessenger.address
+      Fake__L1CrossDomainMessenger.address
     )
     await hre.network.provider.request({
       method: 'hardhat_impersonateAccount',
@@ -64,7 +67,7 @@ describe('L2CrossDomainMessenger', () => {
   let L2CrossDomainMessenger: Contract
   beforeEach(async () => {
     L2CrossDomainMessenger = await Factory__L2CrossDomainMessenger.deploy(
-      Mock__L1CrossDomainMessenger.address
+      Fake__L1CrossDomainMessenger.address
     )
   })
 
@@ -77,7 +80,7 @@ describe('L2CrossDomainMessenger', () => {
       )
       Mock__L2CrossDomainMessenger =
         await Mock__Factory__L2CrossDomainMessenger.deploy(
-          Mock__L1CrossDomainMessenger.address
+          Fake__L1CrossDomainMessenger.address
         )
     })
 
@@ -103,10 +106,10 @@ describe('L2CrossDomainMessenger', () => {
       ).to.not.be.reverted
 
       expect(
-        Mock__OVM_L2ToL1MessagePasser.smocked.passMessageToL1.calls[0]
-      ).to.deep.equal([
-        encodeXDomainCalldata(target, await signer.getAddress(), message, 0),
-      ])
+        Fake__OVM_L2ToL1MessagePasser.passMessageToL1.getCall(0).args[0]
+      ).to.deep.equal(
+        encodeXDomainCalldata(target, await signer.getAddress(), message, 0)
+      )
     })
 
     it('should be able to send the same message twice', async () => {
@@ -123,8 +126,8 @@ describe('L2CrossDomainMessenger', () => {
     let message: string
     let sender: string
     before(async () => {
-      target = Mock__TargetContract.address
-      message = Mock__TargetContract.interface.encodeFunctionData('setTarget', [
+      target = Fake__TargetContract.address
+      message = Fake__TargetContract.interface.encodeFunctionData('setTarget', [
         NON_ZERO_ADDRESS,
       ])
       sender = await signer.getAddress()
@@ -146,9 +149,9 @@ describe('L2CrossDomainMessenger', () => {
         impersonatedL1CrossDomainMessengerSender
       ).relayMessage(target, sender, message, 0)
 
-      expect(Mock__TargetContract.smocked.setTarget.calls[0]).to.deep.equal([
-        NON_ZERO_ADDRESS,
-      ])
+      expect(Fake__TargetContract.setTarget.getCall(0).args[0]).to.deep.equal(
+        NON_ZERO_ADDRESS
+      )
     })
 
     it('the xDomainMessageSender is reset to the original value', async () => {
@@ -179,7 +182,7 @@ describe('L2CrossDomainMessenger', () => {
 
     it('should not make a call if the target is the L2 MessagePasser', async () => {
       target = predeploys.OVM_L2ToL1MessagePasser
-      message = Mock__OVM_L2ToL1MessagePasser.interface.encodeFunctionData(
+      message = Fake__OVM_L2ToL1MessagePasser.interface.encodeFunctionData(
         'passMessageToL1(bytes)',
         [NON_NULL_BYTES32]
       )
@@ -193,7 +196,7 @@ describe('L2CrossDomainMessenger', () => {
 
       // There should be no 'relayedMessage' event logged in the receipt.
       const logs = (
-        await Mock__OVM_L2ToL1MessagePasser.provider.getTransactionReceipt(
+        await Fake__OVM_L2ToL1MessagePasser.provider.getTransactionReceipt(
           (
             await resProm
           ).hash

packages/contracts/test/contracts/L2/messaging/L2StandardTokenFactory.spec.ts

 /* External Imports */
 import { ethers } from 'hardhat'
 import { Signer, ContractFactory, Contract } from 'ethers'
-import { smoddit } from '@eth-optimism/smock'
+import {
+  smock,
+  MockContractFactory,
+  MockContract,
+} from '@defi-wonderland/smock'
 
 /* Internal Imports */
 import { expect } from '../../../setup'
@@ -9,13 +13,13 @@ import { predeploys, getContractInterface } from '../../../../src'
 
 describe('L2StandardTokenFactory', () => {
   let signer: Signer
-  let Factory__L1ERC20: ContractFactory
-  let L1ERC20: Contract
+  let Factory__L1ERC20: MockContractFactory<ContractFactory>
+  let L1ERC20: MockContract<Contract>
   let L2StandardTokenFactory: Contract
   before(async () => {
     ;[signer] = await ethers.getSigners()
     // deploy an ERC20 contract on L1
-    Factory__L1ERC20 = await smoddit(
+    Factory__L1ERC20 = await smock.mock(
       '@openzeppelin/contracts/token/ERC20/ERC20.sol:ERC20'
     )
     L1ERC20 = await Factory__L1ERC20.deploy('L1ERC20', 'ERC')

packages/contracts/test/contracts/L2/predeploys/OVM_L2ToL1MessagePasser.spec.ts

 /* External Imports */
 import { ethers } from 'hardhat'
 import { ContractFactory, Contract } from 'ethers'
-import { MockContract, smockit } from '@eth-optimism/smock'
+import { smock, FakeContract } from '@defi-wonderland/smock'
 import { remove0x } from '@eth-optimism/core-utils'
 import { keccak256 } from 'ethers/lib/utils'
 
@@ -25,9 +25,9 @@ const callPredeploy = async (
 
 // TODO: rewrite this test to bypass the execution manager
 describe.skip('OVM_L2ToL1MessagePasser', () => {
-  let Mock__OVM_ExecutionManager: MockContract
+  let Fake__OVM_ExecutionManager: FakeContract
   before(async () => {
-    Mock__OVM_ExecutionManager = await smockit(
+    Fake__OVM_ExecutionManager = await smock.fake<Contract>(
       await ethers.getContractFactory('OVM_ExecutionManager')
     )
   })
@@ -38,7 +38,7 @@ describe.skip('OVM_L2ToL1MessagePasser', () => {
       await ethers.getContractFactory('Helper_PredeployCaller')
     ).deploy()
 
-    Helper_PredeployCaller.setTarget(Mock__OVM_ExecutionManager.address)
+    Helper_PredeployCaller.setTarget(Fake__OVM_ExecutionManager.address)
   })
 
   let Factory__OVM_L2ToL1MessagePasser: ContractFactory
@@ -55,9 +55,7 @@ describe.skip('OVM_L2ToL1MessagePasser', () => {
 
   describe('passMessageToL1', () => {
     before(async () => {
-      Mock__OVM_ExecutionManager.smocked.ovmCALLER.will.return.with(
-        NON_ZERO_ADDRESS
-      )
+      Fake__OVM_ExecutionManager.ovmCALLER.returns(NON_ZERO_ADDRESS)
     })
 
     for (const size of ELEMENT_TEST_SIZES) {

packages/contracts/test/contracts/L2/predeploys/OVM_SequencerFeeVault.spec.ts

 /* Imports: External */
 import hre from 'hardhat'
-import { MockContract, smockit } from '@eth-optimism/smock'
+import { smock, FakeContract } from '@defi-wonderland/smock'
 import { Contract, Signer } from 'ethers'
 
 /* Imports: Internal */
@@ -13,9 +13,9 @@ describe('OVM_SequencerFeeVault', () => {
     ;[signer1] = await hre.ethers.getSigners()
   })
 
-  let Mock__L2StandardBridge: MockContract
+  let Fake__L2StandardBridge: FakeContract
   before(async () => {
-    Mock__L2StandardBridge = await smockit('L2StandardBridge', {
+    Fake__L2StandardBridge = await smock.fake<Contract>('L2StandardBridge', {
       address: predeploys.L2StandardBridge,
     })
   })
@@ -42,13 +42,21 @@ describe('OVM_SequencerFeeVault', () => {
 
       await expect(OVM_SequencerFeeVault.withdraw()).to.not.be.reverted
 
-      expect(Mock__L2StandardBridge.smocked.withdrawTo.calls[0]).to.deep.equal([
-        predeploys.OVM_ETH,
-        await signer1.getAddress(),
-        amount,
-        0,
-        '0x',
-      ])
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(0).args[0]
+      ).to.deep.equal(predeploys.OVM_ETH)
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(0).args[1]
+      ).to.deep.equal(await signer1.getAddress())
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(0).args[2]
+      ).to.deep.equal(amount)
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(0).args[3]
+      ).to.deep.equal(0)
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(0).args[4]
+      ).to.deep.equal('0x')
     })
 
     it('should succeed when the contract has more than sufficient balance', async () => {
@@ -62,14 +70,21 @@ describe('OVM_SequencerFeeVault', () => {
       })
 
       await expect(OVM_SequencerFeeVault.withdraw()).to.not.be.reverted
-
-      expect(Mock__L2StandardBridge.smocked.withdrawTo.calls[0]).to.deep.equal([
-        predeploys.OVM_ETH,
-        await signer1.getAddress(),
-        amount,
-        0,
-        '0x',
-      ])
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(1).args[0]
+      ).to.deep.equal(predeploys.OVM_ETH)
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(1).args[1]
+      ).to.deep.equal(await signer1.getAddress())
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(1).args[2]
+      ).to.deep.equal(amount)
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(1).args[3]
+      ).to.deep.equal(0)
+      expect(
+        Fake__L2StandardBridge.withdrawTo.getCall(1).args[4]
+      ).to.deep.equal('0x')
     })
 
     it('should have an owner in storage slot 0x00...00', async () => {

packages/contracts/test/contracts/chugsplash/L1ChugSplashProxy.spec.ts

 /* Imports: External */
 import hre from 'hardhat'
 import { Contract, Signer } from 'ethers'
-import { smockit } from '@eth-optimism/smock'
+import { smock } from '@defi-wonderland/smock'
 
 /* Imports: Internal */
 import { expect } from '../../setup'
@@ -170,11 +170,13 @@ describe('L1ChugSplashProxy', () => {
     })
 
     it('should throw an error if the owner has signalled an upgrade', async () => {
-      const owner = await smockit(getContractInterface('iL1ChugSplashDeployer'))
+      const owner = await smock.fake<Contract>(
+        getContractInterface('iL1ChugSplashDeployer')
+      )
       const factory = await hre.ethers.getContractFactory('L1ChugSplashProxy')
       const proxy = await factory.deploy(owner.address)
 
-      owner.smocked.isUpgrading.will.return.with(true)
+      owner.isUpgrading.returns(true)
 
       await expect(
         owner.wallet.sendTransaction({

packages/contracts/test/helpers/resolver/address-manager.ts

 /* External Imports */
 import { ethers } from 'hardhat'
 import { Contract } from 'ethers'
+import { FakeContract } from '@defi-wonderland/smock'
 
 export const setProxyTarget = async (
   AddressManager: Contract,
   name: string,
-  target: Contract
+  target: FakeContract
 ): Promise<void> => {
   const SimpleProxy: Contract = await (
     await ethers.getContractFactory('Helper_SimpleProxy')

yarn.lock

@@ -497,23 +497,6 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
-"@eth-optimism/core-utils@^0.5.1":
-  version "0.5.5"
-  resolved "https://registry.yarnpkg.com/@eth-optimism/core-utils/-/core-utils-0.5.5.tgz#0e2bb95b23965fb51adfb8ba6841c3afd26a6411"
-  integrity sha512-N/uyZjHltnvnQyBOE498EGlqeYvWRUQTW6BpXhexKljEXZpnria4J4MFO9s1lJOpogLXTaS+lhM1Ic8zUNj8Pg==
-  dependencies:
-    "@ethersproject/abstract-provider" "^5.4.1"
-    ethers "^5.4.5"
-    lodash "^4.17.21"
-
-"@eth-optimism/smock@1.1.10":
-  version "1.1.10"
-  resolved "https://registry.yarnpkg.com/@eth-optimism/smock/-/smock-1.1.10.tgz#98a6eefc994ccf707f52ab06849468f3cc57bdb7"
-  integrity sha512-XPx1x9odF/noTBHzIhRgL9ihhr769WgUhf9dOm6X7bjSWRAVsII3IqbdB4ssPycaoSuNSmv8HG1xTLgfgcyOYw==
-  dependencies:
-    "@eth-optimism/core-utils" "^0.5.1"
-    bn.js "^5.2.0"
-
 "@ethereum-waffle/chai@^3.4.0":
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/@ethereum-waffle/chai/-/chai-3.4.0.tgz#2477877410a96bf370edd64df905b04fb9aba9d5"
@@ -712,7 +695,7 @@
     "@ethersproject/properties" "^5.4.0"
     "@ethersproject/strings" "^5.4.0"
 
-"@ethersproject/abstract-provider@5.4.1", "@ethersproject/abstract-provider@^5.4.0", "@ethersproject/abstract-provider@^5.4.1":
+"@ethersproject/abstract-provider@5.4.1", "@ethersproject/abstract-provider@^5.4.0":
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.4.1.tgz#e404309a29f771bd4d28dbafadcaa184668c2a6e"
   integrity sha512-3EedfKI3LVpjSKgAxoUaI+gB27frKsxzm+r21w9G60Ugk+3wVLQwhi1LsEJAKNV7WoZc8CIpNrATlL1QFABjtQ==
@@ -7176,7 +7159,7 @@ ethers@^4.0.32, ethers@^4.0.40:
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
-ethers@^5.0.0, ethers@^5.0.1, ethers@^5.0.2, ethers@^5.4.5:
+ethers@^5.0.0, ethers@^5.0.1, ethers@^5.0.2:
   version "5.4.5"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-5.4.5.tgz#cec133b9f5b514dc55e2561ee7aa7218c33affd7"
   integrity sha512-PPZ6flOAj230sXEWf/r/It6ZZ5c7EOVWx+PU87Glkbg79OtT7pLE1WgL4MRdwx6iF7HzSOvUUI+8cAmcdzo12w==