Merge 082764a into c04bb22

guides/integrating-the-safe-core-sdk.md

@@ -81,13 +81,15 @@ const contractNetworks: ContractNetworksConfig = {
     fallbackHandlerAddress: '<FALLBACK_HANDLER_ADDRESS>',
     signMessageLibAddress: '<SIGN_MESSAGE_LIB_ADDRESS>',
     createCallAddress: '<CREATE_CALL_ADDRESS>',
+    simulateTxAccessorAddress: '<SIMULATE_TX_ACCESSOR_ADDRESS>',
     safeMasterCopyAbi: '<MASTER_COPY_ABI>', // Optional. Only needed with web3.js
     safeProxyFactoryAbi: '<PROXY_FACTORY_ABI>', // Optional. Only needed with web3.js
     multiSendAbi: '<MULTI_SEND_ABI>', // Optional. Only needed with web3.js
     multiSendCallOnlyAbi: '<MULTI_SEND_CALL_ONLY_ABI>', // Optional. Only needed with web3.js
     fallbackHandlerAbi: '<FALLBACK_HANDLER_ABI>', // Optional. Only needed with web3.js
     signMessageLibAbi: '<SIGN_MESSAGE_LIB_ABI>', // Optional. Only needed with web3.js
-    createCallAbi: '<CREATE_CALL_ABI>' // Optional. Only needed with web3.js
+    createCallAbi: '<CREATE_CALL_ABI>', // Optional. Only needed with web3.js
+    simulateTxAccessorAbi: '<SIMULATE_TX_ACCESSOR_ABI>' // Optional. Only needed with web3.js
   }
 }
 

packages/protocol-kit/README.md

@@ -190,13 +190,15 @@ const safeFactory = await SafeFactory.create({ ethAdapter })
       fallbackHandlerAddress: '<FALLBACK_HANDLER_ADDRESS>',
       signMessageLibAddress: '<SIGN_MESSAGE_LIB_ADDRESS>',
       createCallAddress: '<CREATE_CALL_ADDRESS>',
+      simulateTxAccessorAddress: '<SIMULATE_TX_ACCESSOR_ADDRESS>',
       safeMasterCopyAbi: '<MASTER_COPY_ABI>', // Optional. Only needed with web3.js
       safeProxyFactoryAbi: '<PROXY_FACTORY_ABI>', // Optional. Only needed with web3.js
       multiSendAbi: '<MULTI_SEND_ABI>', // Optional. Only needed with web3.js
       multiSendCallOnlyAbi: '<MULTI_SEND_CALL_ONLY_ABI>', // Optional. Only needed with web3.js
       fallbackHandlerAbi: '<FALLBACK_HANDLER_ABI>', // Optional. Only needed with web3.js
       signMessageLibAbi: '<SIGN_MESSAGE_LIB_ABI>', // Optional. Only needed with web3.js
-      createCallAbi: '<CREATE_CALL_ABI>' // Optional. Only needed with web3.js
+      createCallAbi: '<CREATE_CALL_ABI>', // Optional. Only needed with web3.js
+      simulateTxAccessorAbi: '<SIMULATE_TX_ACCESSOR_ABI>' // Optional. Only needed with web3.js
     }
   }
 
@@ -342,13 +344,15 @@ const safeSdk = await Safe.create({ ethAdapter, predictedSafe })
       fallbackHandlerAddress: '<FALLBACK_HANDLER_ADDRESS>',
       signMessageLibAddress: '<SIGN_MESSAGE_LIB_ADDRESS>',
       createCallAddress: '<CREATE_CALL_ADDRESS>',
+      simulateTxAccessorAddress: '<SIMULATE_TX_ACCESSOR_ADDRESS>',
       safeMasterCopyAbi: '<MASTER_COPY_ABI>', // Optional. Only needed with web3.js
       safeProxyFactoryAbi: '<PROXY_FACTORY_ABI>', // Optional. Only needed with web3.js
       multiSendAbi: '<MULTI_SEND_ABI>', // Optional. Only needed with web3.js
       multiSendCallOnlyAbi: '<MULTI_SEND_CALL_ONLY_ABI>', // Optional. Only needed with web3.js
       fallbackHandlerAbi: '<FALLBACK_HANDLER_ABI>', // Optional. Only needed with web3.js
       signMessageLibAbi: '<SIGN_MESSAGE_LIB_ABI>', // Optional. Only needed with web3.js
-      createCallAbi: '<CREATE_CALL_ABI>' // Optional. Only needed with web3.js
+      createCallAbi: '<CREATE_CALL_ABI>', // Optional. Only needed with web3.js
+      simulateTxAccessorAbi: '<SIMULATE_TX_ACCESSOR_ABI>' // Optional. Only needed with web3.js
     }
   }
 
@@ -405,13 +409,15 @@ const safeSdk = await safeSdk.connect({ ethAdapter, predictedSafe })
       fallbackHandlerAddress: '<FALLBACK_HANDLER_ADDRESS>',
       signMessageLibAddress: '<SIGN_MESSAGE_LIB_ADDRESS>',
       createCallAddress: '<CREATE_CALL_ADDRESS>',
+      simulateTxAccessorAddress: '<SIMULATE_TX_ACCESSOR_ADDRESS>',
       safeMasterCopyAbi: '<MASTER_COPY_ABI>', // Optional. Only needed with web3.js
       safeProxyFactoryAbi: '<PROXY_FACTORY_ABI>', // Optional. Only needed with web3.js
       multiSendAbi: '<MULTI_SEND_ABI>', // Optional. Only needed with web3.js
       multiSendCallOnlyAbi: '<MULTI_SEND_CALL_ONLY_ABI>', // Optional. Only needed with web3.js
       fallbackHandlerAbi: '<FALLBACK_HANDLER_ABI>', // Optional. Only needed with web3.js
       signMessageLibAbi: '<SIGN_MESSAGE_LIB_ABI>', // Optional. Only needed with web3.js
-      createCallAbi: '<CREATE_CALL_ABI>' // Optional. Only needed with web3.js
+      createCallAbi: '<CREATE_CALL_ABI>', // Optional. Only needed with web3.js
+      simulateTxAccessorAbi: '<SIMULATE_TX_ACCESSOR_ABI>' // Optional. Only needed with web3.js
     }
   }
   const safeSdk = await Safe.connect({ ethAdapter, safeAddress, contractNetworks })

packages/protocol-kit/contracts/Deps_V1_3_0.sol

@@ -9,6 +9,7 @@ import { MultiSendCallOnly } from "@gnosis.pm/safe-contracts-v1.3.0/contracts/li
 import { SignMessageLib } from "@gnosis.pm/safe-contracts-v1.3.0/contracts/examples/libraries/SignMessage.sol";
 import { CreateCall } from "@gnosis.pm/safe-contracts-v1.3.0/contracts/libraries/CreateCall.sol";
 import { DefaultCallbackHandler } from "@gnosis.pm/safe-contracts-v1.3.0/contracts/handler/DefaultCallbackHandler.sol";
+import { SimulateTxAccessor } from "@gnosis.pm/safe-contracts-v1.3.0/contracts/accessors/SimulateTxAccessor.sol";
 
 // Testing contracts
 import { DebugTransactionGuard } from "@gnosis.pm/safe-contracts-v1.3.0/contracts/examples/guards/DebugTransactionGuard.sol";
@@ -21,3 +22,7 @@ contract MultiSendCallOnly_SV1_3_0 is MultiSendCallOnly {}
 contract SignMessageLib_SV1_3_0 is SignMessageLib {}
 contract CreateCall_SV1_3_0 is CreateCall {}
 contract DefaultCallbackHandler_SV1_3_0 is DefaultCallbackHandler {}
+contract SimulateTxAccessor_SV1_3_0 is SimulateTxAccessor {}
+
+// Testing contracts
+contract DebugTransactionGuard_SV1_3_0 is DebugTransactionGuard {}

packages/protocol-kit/contracts/Deps_V1_4_1.sol

@@ -9,6 +9,10 @@ import { MultiSendCallOnly } from "@safe-global/safe-contracts-v1.4.1/contracts/
 import { SignMessageLib } from "@safe-global/safe-contracts-v1.4.1/contracts/libraries/SignMessageLib.sol";
 import { CreateCall } from "@safe-global/safe-contracts-v1.4.1/contracts/libraries/CreateCall.sol";
 import { TokenCallbackHandler } from "@safe-global/safe-contracts-v1.4.1/contracts/handler/TokenCallbackHandler.sol";
+import { SimulateTxAccessor } from "@safe-global/safe-contracts-v1.4.1/contracts/accessors/SimulateTxAccessor.sol";
+
+// Testing contracts
+import { DebugTransactionGuard} from "@safe-global/safe-contracts-v1.4.1/contracts/examples/guards/DebugTransactionGuard.sol";
 
 contract SafeProxyFactory_SV1_4_1 is SafeProxyFactory {}
 contract Safe_SV1_4_1 is Safe {}
@@ -18,3 +22,7 @@ contract MultiSendCallOnly_SV1_4_1 is MultiSendCallOnly {}
 contract SignMessageLib_SV1_4_1 is SignMessageLib {}
 contract CreateCall_SV1_4_1 is CreateCall {}
 contract TokenCallbackHandler_SV1_4_1 is TokenCallbackHandler {}
+contract SimulateTxAccessor_SV1_4_1 is SimulateTxAccessor {}
+
+// Testing contracts
+contract DebugTransactionGuard_SV1_4_1 is DebugTransactionGuard {}

packages/protocol-kit/hardhat/deploy/deploy-contracts.ts

@@ -4,7 +4,7 @@ import { HardhatRuntimeEnvironment } from 'hardhat/types'
 
 export const safeVersionDeployed = process.env.SAFE_VERSION as SafeVersion
 
-type SafeVersions = { [key: string]: { name: string} }
+type SafeVersions = { [key: string]: { name: string } }
 
 const safeContracts: SafeVersions = {
   '1.4.1': { name: 'Safe_SV1_4_1' },
@@ -62,6 +62,14 @@ const createCallContracts: SafeVersions = {
   '1.0.0': { name: 'CreateCall_SV1_3_0' }
 }
 
+const simulateTxAccessorContracts: SafeVersions = {
+  '1.4.1': { name: 'SimulateTxAccessor_SV1_4_1' },
+  '1.3.0': { name: 'SimulateTxAccessor_SV1_3_0' },
+  '1.2.0': { name: 'SimulateTxAccessor_SV1_3_0' },
+  '1.1.1': { name: 'SimulateTxAccessor_SV1_3_0' },
+  '1.0.0': { name: 'SimulateTxAccessor_SV1_3_0' }
+}
+
 export const safeDeployed = safeContracts[safeVersionDeployed]
 export const proxyFactoryDeployed = proxyFactoryContracts[safeVersionDeployed]
 export const multiSendDeployed = multiSendContracts[safeVersionDeployed]
@@ -70,6 +78,7 @@ export const compatibilityFallbackHandlerDeployed =
   compatibilityFallbackHandlerContracts[safeVersionDeployed]
 export const signMessageLibDeployed = signMessageLibContracts[safeVersionDeployed]
 export const createCallDeployed = createCallContracts[safeVersionDeployed]
+export const simulateTxAccessorDeployed = simulateTxAccessorContracts[safeVersionDeployed]
 
 const deploy: DeployFunction = async (hre: HardhatRuntimeEnvironment): Promise<void> => {
   const { deployments, getNamedAccounts } = hre
@@ -125,6 +134,13 @@ const deploy: DeployFunction = async (hre: HardhatRuntimeEnvironment): Promise<v
     deterministicDeployment: true
   })
 
+  await deploy(simulateTxAccessorDeployed.name, {
+    from: deployer,
+    args: [],
+    log: true,
+    deterministicDeployment: true
+  })
+
   await deploy('DailyLimitModule', {
     from: deployer,
     args: [],
@@ -145,10 +161,11 @@ const deploy: DeployFunction = async (hre: HardhatRuntimeEnvironment): Promise<v
     log: true
   })
 
-  await deploy('DebugTransactionGuard', {
+  await deploy('DebugTransactionGuard_SV1_3_0', {
     from: deployer,
     args: [],
-    log: true
+    log: true,
+    deterministicDeployment: true
   })
 
   await deploy('DefaultCallbackHandler_SV1_3_0', {
@@ -158,6 +175,13 @@ const deploy: DeployFunction = async (hre: HardhatRuntimeEnvironment): Promise<v
     deterministicDeployment: true
   })
 
+  await deploy('DebugTransactionGuard_SV1_4_1', {
+    from: deployer,
+    args: [],
+    log: true,
+    deterministicDeployment: true
+  })
+
   await deploy('TokenCallbackHandler_SV1_4_1', {
     from: deployer,
     args: [],

packages/protocol-kit/scripts/generateTypechainFiles.ts

@@ -32,7 +32,8 @@ const safeContracts_V1_3_0 = [
   `${safeContractsPath}/v1.3.0/multi_send_call_only.json`,
   `${safeContractsPath}/v1.3.0/compatibility_fallback_handler.json`,
   `${safeContractsPath}/v1.3.0/sign_message_lib.json`,
-  `${safeContractsPath}/v1.3.0/create_call.json`
+  `${safeContractsPath}/v1.3.0/create_call.json`,
+  `${safeContractsPath}/v1.3.0/simulate_tx_accessor.json`
 ].join(' ')
 const safeContracts_V1_2_0 = [`${safeContractsPath}/v1.2.0/gnosis_safe.json`].join(' ')
 const safeContracts_V1_1_1 = [
@@ -46,6 +47,11 @@ const safeContracts_V1_0_0 = [
 ].join(' ')
 
 // Won't be included in dist/ folder
+const safeContractsTestV1_4_1Path =
+  '../../node_modules/@safe-global/safe-contracts-v1.4.1/build/artifacts/contracts'
+const testContracts_V1_4_1 = [
+  `${safeContractsTestV1_4_1Path}/examples/guards/DebugTransactionGuard.sol/DebugTransactionGuard.json`
+].join(' ')
 const safeContractsTestV1_3_0Path =
   '../../node_modules/@gnosis.pm/safe-contracts-v1.3.0/build/artifacts/contracts'
 const testContracts_V1_3_0 = [
@@ -142,6 +148,11 @@ function generateTypes(typechainTarget: string) {
   )
 
   // Tests
+  generateTypechainFiles(
+    typechainTarget,
+    `${outDirTests}${typechainTarget}/v1.4.1`,
+    testContracts_V1_4_1
+  )
   generateTypechainFiles(
     typechainTarget,
     `${outDirTests}${typechainTarget}/v1.3.0`,

packages/protocol-kit/src/Safe.ts

@@ -418,7 +418,8 @@ class Safe {
         await standardizeSafeTransactionData({
           predictedSafe: this.#predictedSafe,
           ethAdapter: this.#ethAdapter,
-          tx: newTransaction
+          tx: newTransaction,
+          contractNetworks: this.#contractManager.contractNetworks
         })
       )
     }
@@ -430,7 +431,8 @@ class Safe {
       await standardizeSafeTransactionData({
         safeContract: this.#contractManager.safeContract,
         ethAdapter: this.#ethAdapter,
-        tx: newTransaction
+        tx: newTransaction,
+        contractNetworks: this.#contractManager.contractNetworks
       })
     )
   }

packages/protocol-kit/src/adapters/ethers/EthersAdapter.ts

@@ -18,14 +18,16 @@ import MultiSendCallOnlyEthersContract from './contracts/MultiSendCallOnly/Multi
 import SafeContractEthers from './contracts/Safe/SafeContractEthers'
 import SafeProxyFactoryEthersContract from './contracts/SafeProxyFactory/SafeProxyFactoryEthersContract'
 import SignMessageLibEthersContract from './contracts/SignMessageLib/SignMessageLibEthersContract'
+import SimulateTxAccessorEthersContract from './contracts/SimulateTxAccessor/SimulateTxAccessorEthersContract'
 import {
   getCompatibilityFallbackHandlerContractInstance,
   getCreateCallContractInstance,
   getMultiSendCallOnlyContractInstance,
   getMultiSendContractInstance,
   getSafeContractInstance,
   getSafeProxyFactoryContractInstance,
-  getSignMessageLibContractInstance
+  getSignMessageLibContractInstance,
+  getSimulateTxAccessorContractInstance
 } from './contracts/contractInstancesEthers'
 import { isSignerCompatible, isTypedDataSigner } from './utils'
 
@@ -196,6 +198,20 @@ class EthersAdapter implements EthAdapter {
     return getCreateCallContractInstance(safeVersion, contractAddress, signerOrProvider)
   }
 
+  async getSimulateTxAccessorContract({
+    safeVersion,
+    singletonDeployment,
+    customContractAddress
+  }: GetContractProps): Promise<SimulateTxAccessorEthersContract> {
+    const chainId = await this.getChainId()
+    const contractAddress = customContractAddress ?? singletonDeployment?.networkAddresses[chainId]
+    if (!contractAddress) {
+      throw new Error('Invalid SimulateTxAccessor contract address')
+    }
+    const signerOrProvider = this.#signer || this.#provider
+    return getSimulateTxAccessorContractInstance(safeVersion, contractAddress, signerOrProvider)
+  }
+
   async getContractCode(address: string, blockTag?: string | number): Promise<string> {
     return this.#provider.getCode(address, blockTag)
   }

packages/protocol-kit/src/adapters/ethers/contracts/Safe/SafeContractEthers.ts

@@ -180,7 +180,8 @@ abstract class SafeContractEthers implements SafeContract {
     params: any[],
     options: EthersTransactionOptions
   ): Promise<string> {
-    return (await (this.contract.estimateGas as any)[methodName](...params, options)).toString()
+    const a = (await (this.contract.estimateGas as any)[methodName](...params, options)).toString()
+    return a
   }
 }
 

packages/protocol-kit/src/adapters/ethers/contracts/SimulateTxAccessor/SimulateTxAccessorEthersContract.ts

@@ -0,0 +1,23 @@
+import {
+  Simulate_tx_accessor as SimulateTxAccessor_V1_3_0,
+  Simulate_tx_accessorInterface as SimulateTxAccessorInterface
+} from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.3.0/Simulate_tx_accessor'
+import { Simulate_tx_accessor as SimulateTxAccessor_V1_4_1 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/Simulate_tx_accessor'
+import { SimulateTxAccessorContract } from '@safe-global/safe-core-sdk-types'
+
+abstract class SimulateTxAccessorEthersContract implements SimulateTxAccessorContract {
+  constructor(public contract: SimulateTxAccessor_V1_4_1 | SimulateTxAccessor_V1_3_0) {}
+
+  getAddress(): string {
+    return this.contract.address
+  }
+
+  encode: SimulateTxAccessorInterface['encodeFunctionData'] = (
+    methodName: any,
+    params: any
+  ): string => {
+    return this.contract.interface.encodeFunctionData(methodName, params)
+  }
+}
+
+export default SimulateTxAccessorEthersContract

packages/protocol-kit/src/adapters/ethers/contracts/SimulateTxAccessor/v1.3.0/SimulateTxAccessorContract_V1_3_0_Ethers.ts

@@ -0,0 +1,10 @@
+import { Simulate_tx_accessor as SimulateTxAccessor } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.3.0/Simulate_tx_accessor'
+import SimulateTxAccessorEthersContract from '../SimulateTxAccessorEthersContract'
+
+class SimulateTxAccessorContract_V1_3_0_Ethers extends SimulateTxAccessorEthersContract {
+  constructor(public contract: SimulateTxAccessor) {
+    super(contract)
+  }
+}
+
+export default SimulateTxAccessorContract_V1_3_0_Ethers

packages/protocol-kit/src/adapters/ethers/contracts/SimulateTxAccessor/v1.4.1/SimulateTxAccessorContract_V1_4_1_Ethers.ts

@@ -0,0 +1,10 @@
+import { Simulate_tx_accessor as SimulateTxAccessor } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/Simulate_tx_accessor'
+import SimulateTxAccessorEthersContract from '../SimulateTxAccessorEthersContract'
+
+class SimulateTxAccessorContract_V1_4_1_Ethers extends SimulateTxAccessorEthersContract {
+  constructor(public contract: SimulateTxAccessor) {
+    super(contract)
+  }
+}
+
+export default SimulateTxAccessorContract_V1_4_1_Ethers

packages/protocol-kit/src/adapters/ethers/contracts/contractInstancesEthers.ts

@@ -13,13 +13,15 @@ import { Multi_send__factory as MultiSend_V1_3_0 } from '@safe-global/protocol-k
 import { Multi_send_call_only__factory as MultiSendCallOnly_V1_3_0 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.3.0/factories/Multi_send_call_only__factory'
 import { Proxy_factory__factory as SafeProxyFactory_V1_3_0 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.3.0/factories/Proxy_factory__factory'
 import { Sign_message_lib__factory as SignMessageLib_V1_3_0 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.3.0/factories/Sign_message_lib__factory'
+import { Simulate_tx_accessor__factory as SimulateTxAccessor_V1_3_0 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.3.0/factories/Simulate_tx_accessor__factory'
 import { Compatibility_fallback_handler__factory as CompatibilityFallbackHandler_V1_4_1 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/factories/Compatibility_fallback_handler__factory'
 import { Create_call__factory as CreateCall_V1_4_1 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/factories/Create_call__factory'
 import { Multi_send__factory as MultiSend_V1_4_1 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/factories/Multi_send__factory'
 import { Multi_send_call_only__factory as MultiSendCallOnly_V1_4_1 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/factories/Multi_send_call_only__factory'
 import { Safe__factory as SafeMasterCopy_V1_4_1 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/factories/Safe__factory'
 import { Safe_proxy_factory__factory as SafeProxyFactory_V1_4_1 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/factories/Safe_proxy_factory__factory'
 import { Sign_message_lib__factory as SignMessageLib_V1_4_1 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/factories/Sign_message_lib__factory'
+import { Simulate_tx_accessor__factory as SimulateTxAccessor_V1_4_1 } from '@safe-global/protocol-kit/typechain/src/ethers-v5/v1.4.1/factories/Simulate_tx_accessor__factory'
 import { SafeVersion } from '@safe-global/safe-core-sdk-types'
 import CompatibilityFallbackHandler_V1_3_0_Ethers from './CompatibilityFallbackHandler/v1.3.0/CompatibilityFallbackHandler_V1_3_0_Ethers'
 import CompatibilityFallbackHandler_V1_4_1_Ethers from './CompatibilityFallbackHandler/v1.4.1/CompatibilityFallbackHandler_V1_4_1_Ethers'
@@ -41,6 +43,8 @@ import SafeProxyFactoryContract_V1_3_0_Ethers from './SafeProxyFactory/v1.3.0/Sa
 import SafeProxyFactoryContract_V1_4_1_Ethers from './SafeProxyFactory/v1.4.1/SafeProxyFactoryContract_V1_4_1_Ethers'
 import SignMessageLibContract_V1_3_0_Ethers from './SignMessageLib/v1.3.0/SignMessageLibContract_V1_3_0_Ethers'
 import SignMessageLibContract_V1_4_1_Ethers from './SignMessageLib/v1.4.1/SignMessageLibContract_V1_4_1_Ethers'
+import SimulateTxAccessorContract_V1_3_0_Ethers from './SimulateTxAccessor/v1.3.0/SimulateTxAccessorContract_V1_3_0_Ethers'
+import SimulateTxAccessorContract_V1_4_1_Ethers from './SimulateTxAccessor/v1.4.1/SimulateTxAccessorContract_V1_4_1_Ethers'
 
 export function getSafeContractInstance(
   safeVersion: SafeVersion,
@@ -220,3 +224,27 @@ export function getCreateCallContractInstance(
       throw new Error('Invalid Safe version')
   }
 }
+
+export function getSimulateTxAccessorContractInstance(
+  safeVersion: SafeVersion,
+  contractAddress: string,
+  signerOrProvider: Signer | Provider
+): SimulateTxAccessorContract_V1_4_1_Ethers | SimulateTxAccessorContract_V1_3_0_Ethers {
+  let simulateTxAccessorContract
+  switch (safeVersion) {
+    case '1.4.1':
+      simulateTxAccessorContract = SimulateTxAccessor_V1_4_1.connect(
+        contractAddress,
+        signerOrProvider
+      )
+      return new SimulateTxAccessorContract_V1_4_1_Ethers(simulateTxAccessorContract)
+    case '1.3.0':
+      simulateTxAccessorContract = SimulateTxAccessor_V1_3_0.connect(
+        contractAddress,
+        signerOrProvider
+      )
+      return new SimulateTxAccessorContract_V1_3_0_Ethers(simulateTxAccessorContract)
+    default:
+      throw new Error('Invalid Safe version')
+  }
+}