Add proxyCreationCode to proxy factory contract

packages/safe-core-sdk-types/src/contracts/GnosisSafeProxyFactoryContract.ts

@@ -1,4 +1,4 @@
-import { TransactionOptions } from '../types'
+import { TransactionOptions } from '../types';
 
 export interface CreateProxyProps {
   safeMasterCopyAddress: string
@@ -10,6 +10,7 @@ export interface CreateProxyProps {
 
 export interface GnosisSafeProxyFactoryContract {
   getAddress(): string
+  proxyCreationCode(): Promise<string>
   createProxy(options: CreateProxyProps): Promise<string>
   encode(methodName: string, params: any[]): string
   estimateGas(methodName: string, params: any[], options: TransactionOptions): Promise<number>

packages/safe-ethers-lib/src/contracts/GnosisSafeProxyFactory/GnosisSafeProxyFactoryEthersContract.ts

@@ -19,6 +19,10 @@ class GnosisSafeProxyFactoryEthersContract implements GnosisSafeProxyFactoryCont
     return this.contract.address
   }
 
+  async proxyCreationCode(): Promise<string> {
+    return this.contract.proxyCreationCode()
+  }
+
   async createProxy({
     safeMasterCopyAddress,
     initializer,

packages/safe-web3-lib/src/contracts/GnosisSafeProxyFactory/GnosisSafeProxyFactoryWeb3Contract.ts

@@ -20,6 +20,10 @@ class GnosisSafeProxyFactoryWeb3Contract implements GnosisSafeProxyFactoryContra
     return this.contract.options.address
   }
 
+  async proxyCreationCode(): Promise<string> {
+    return this.contract.methods.proxyCreationCode().call()
+  }
+
   async createProxy({
     safeMasterCopyAddress,
     initializer,