diff --git a/package.json b/package.json
index e0b86cf..094a3e5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "redstone-smartweave",
-  "version": "0.3.10-alpha.19",
+  "version": "0.4.0",
   "description": "An implementation of the SmartWeave SDK.",
   "main": "./lib/cjs/index.js",
   "module": "./lib/esm/index.js",
@@ -67,7 +67,7 @@
     "@types/node": "^16.7.1",
     "@typescript-eslint/eslint-plugin": "^4.29.2",
     "@typescript-eslint/parser": "^4.29.2",
-    "arlocal": "1.1.4",
+    "arlocal": "1.1.13",
     "cheerio": "^1.0.0-rc.10",
     "cors": "^2.8.5",
     "eslint": "^7.32.0",
diff --git a/src/__tests__/integration/deploy-write-read.test.ts b/src/__tests__/integration/deploy-write-read.test.ts
index d067a2d..3715f55 100644
--- a/src/__tests__/integration/deploy-write-read.test.ts
+++ b/src/__tests__/integration/deploy-write-read.test.ts
@@ -52,12 +52,14 @@ describe('Testing the SmartWeave client', () => {
     initialState = fs.readFileSync(path.join(__dirname, 'data/example-contract-state.json'), 'utf8');
 
     // deploying contract using the new SDK.
+    await addFunds();
     const contractTxId = await smartweave.createContract.deploy({
       wallet,
       initState: initialState,
       src: contractSrc
     });
 
+
     contract = smartweave.contract(contractTxId);
     contract.connect(wallet);
 
@@ -99,4 +101,9 @@ describe('Testing the SmartWeave client', () => {
   async function mine() {
     await arweave.api.get('mine');
   }
+
+  async function addFunds() {
+    const walletAddress = await arweave.wallets.getAddress(wallet);
+    await arweave.api.get(`/mint/${walletAddress}/1000`);
+  }
 });
diff --git a/src/core/SmartWeaveBuilder.ts b/src/core/SmartWeaveBuilder.ts
index 3d3b824..f80622c 100644
--- a/src/core/SmartWeaveBuilder.ts
+++ b/src/core/SmartWeaveBuilder.ts
@@ -1,5 +1,6 @@
 import Arweave from 'arweave';
 import {
+  BlockHeightSwCache,
   DebuggableExecutorFactory,
   DefinitionLoader,
   ExecutorFactory,
diff --git a/src/core/modules/impl/DefaultCreateContract.ts b/src/core/modules/impl/DefaultCreateContract.ts
index 6f78779..0e1fc7c 100644
--- a/src/core/modules/impl/DefaultCreateContract.ts
+++ b/src/core/modules/impl/DefaultCreateContract.ts
@@ -9,7 +9,7 @@ export class DefaultCreateContract implements CreateContract {
     this.deployFromSourceTx = this.deployFromSourceTx.bind(this);
   }
 
-  async deploy(contractData: ContractData) {
+  async deploy(contractData: ContractData): Promise<string> {
     this.logger.debug('Creating new contract');
 
     const { wallet, src, initState, tags, transfer } = contractData;
diff --git a/src/core/web/SmartWeaveWebFactory.ts b/src/core/web/SmartWeaveWebFactory.ts
index 07b6fdb..a0afb43 100644
--- a/src/core/web/SmartWeaveWebFactory.ts
+++ b/src/core/web/SmartWeaveWebFactory.ts
@@ -67,7 +67,11 @@ export class SmartWeaveWebFactory {
    * Returns a preconfigured, memCached {@link SmartWeaveBuilder}, that allows for customization of the SmartWeave instance.
    * Use {@link SmartWeaveBuilder.build()} to finish the configuration.
    */
-  static memCachedBased(arweave: Arweave, maxStoredBlockHeights: number = Number.MAX_SAFE_INTEGER): SmartWeaveBuilder {
+  static memCachedBased(
+    arweave: Arweave,
+    maxStoredBlockHeights: number = Number.MAX_SAFE_INTEGER,
+    stateCache?: MemBlockHeightSwCache<StateCache<unknown>>
+  ): SmartWeaveBuilder {
     const definitionLoader = new ContractDefinitionLoader(arweave, new MemCache());
 
     const interactionsLoader = new CacheableContractInteractionsLoader(
@@ -79,7 +83,7 @@ export class SmartWeaveWebFactory {
 
     const stateEvaluator = new CacheableStateEvaluator(
       arweave,
-      new MemBlockHeightSwCache<StateCache<unknown>>(maxStoredBlockHeights),
+      stateCache ? stateCache : new MemBlockHeightSwCache<StateCache<unknown>>(maxStoredBlockHeights),
       [new Evolve(definitionLoader, executorFactory)]
     );
 
diff --git a/yarn.lock b/yarn.lock
index f41c9ea..fac17e1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1539,10 +1539,10 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
-arlocal@1.1.4:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/arlocal/-/arlocal-1.1.4.tgz#853d371573d1e055f13d0178b02a75de7927d129"
-  integrity sha512-SnQZ4MeRDnnLbkZRaDcq8gZeD1jBbTR6YEpOYD8gV/OhsNhURX/WuzKyzjiNdQCAs+mXpkpnRUNCnGDQE4gfMQ==
+arlocal@1.1.13:
+  version "1.1.13"
+  resolved "https://registry.yarnpkg.com/arlocal/-/arlocal-1.1.13.tgz#a6875631c867bd377129b964a3aac4253964cf8a"
+  integrity sha512-zT8EZm71UTNtRw2FoxRRuojuUlfCTZOj9dz1uV9Z5tw5jTzB6ZUGCISo4W/G8iTvjAjZFmvFcq0OQW16x8gjEg==
   dependencies:
     "@koa/cors" "^3.1.0"
     apollo-server-koa "^2.25.1"