diff --git a/src/classes/test/Contract/crv-abi.ts b/src/classes/test/Contract/crv-abi.ts
index 72b4a1c..556d3d9 100644
--- a/src/classes/test/Contract/crv-abi.ts
+++ b/src/classes/test/Contract/crv-abi.ts
@@ -5,81 +5,6 @@ export const abi: JSONABI =
   // http://api.etherscan.io/api?module=contract&action=getabi&address=0x575CCD8e2D300e2377B43478339E364000318E2c&format=raw
 
   [
-    {
-      name: 'Fund',
-      inputs: [
-        {
-          type: 'address',
-          name: 'recipient',
-          indexed: true,
-        },
-        {
-          type: 'uint256',
-          name: 'amount',
-          indexed: false,
-        },
-      ],
-      anonymous: false,
-      type: 'event',
-    },
-    {
-      name: 'Claim',
-      inputs: [
-        {
-          type: 'address',
-          name: 'recipient',
-          indexed: true,
-        },
-        {
-          type: 'uint256',
-          name: 'claimed',
-          indexed: false,
-        },
-      ],
-      anonymous: false,
-      type: 'event',
-    },
-    {
-      name: 'ToggleDisable',
-      inputs: [
-        {
-          type: 'address',
-          name: 'recipient',
-          indexed: false,
-        },
-        {
-          type: 'bool',
-          name: 'disabled',
-          indexed: false,
-        },
-      ],
-      anonymous: false,
-      type: 'event',
-    },
-    {
-      name: 'CommitOwnership',
-      inputs: [
-        {
-          type: 'address',
-          name: 'admin',
-          indexed: false,
-        },
-      ],
-      anonymous: false,
-      type: 'event',
-    },
-    {
-      name: 'ApplyOwnership',
-      inputs: [
-        {
-          type: 'address',
-          name: 'admin',
-          indexed: false,
-        },
-      ],
-      anonymous: false,
-      type: 'event',
-    },
     {
       outputs: [],
       inputs: [
diff --git a/src/classes/test/Contract/crv.test.ts b/src/classes/test/Contract/crv.test.ts
index c8fe34b..4aab4a7 100644
--- a/src/classes/test/Contract/crv.test.ts
+++ b/src/classes/test/Contract/crv.test.ts
@@ -4,7 +4,6 @@ import { rpcUrls } from '../../../providers/test/rpc-urls';
 import { Contract as EssentialEthContract } from '../../Contract';
 import { abi } from './crv-abi';
 
-// The JSONABI
 const JSONABI = abi;
 
 const rpcURL = rpcUrls.mainnet;
diff --git a/src/classes/test/Contract/ens.test.ts b/src/classes/test/Contract/ens.test.ts
index aead724..07bfbf2 100644
--- a/src/classes/test/Contract/ens.test.ts
+++ b/src/classes/test/Contract/ens.test.ts
@@ -3,7 +3,6 @@ import { Contract as EssentialEthContract } from '../../Contract';
 import { rpcUrls } from './../../../providers/test/rpc-urls';
 import { ensABI } from './ens-abi';
 
-// The JSONABI
 const JSONABI = ensABI;
 
 const rpcURL = rpcUrls.mainnet;
diff --git a/src/classes/test/Contract/fei.test.ts b/src/classes/test/Contract/fei.test.ts
index 55ed414..7d59a3d 100644
--- a/src/classes/test/Contract/fei.test.ts
+++ b/src/classes/test/Contract/fei.test.ts
@@ -4,7 +4,6 @@ import { Contract as EssentialEthContract } from '../../Contract';
 import { rpcUrls } from './../../../providers/test/rpc-urls';
 import { feiABI } from './fei-abi';
 
-// The JSONABI
 const JSONABI = feiABI;
 
 const rpcURL = rpcUrls.mainnet;
diff --git a/src/classes/test/Contract/jokerrace-abi.ts b/src/classes/test/Contract/jokerrace-abi.ts
new file mode 100644
index 0000000..d989859
--- /dev/null
+++ b/src/classes/test/Contract/jokerrace-abi.ts
@@ -0,0 +1,10 @@
+import type { JSONABI } from '../../../types/Contract.types';
+
+export const abi: JSONABI = [
+  {
+    name: 'getAllAddressesThatHaveVoted',
+    outputs: [{ type: 'address[]', name: '' }],
+    inputs: [],
+    type: 'function',
+  },
+];
diff --git a/src/classes/test/Contract/jokerrace.integration.test.ts b/src/classes/test/Contract/jokerrace.integration.test.ts
new file mode 100644
index 0000000..badc836
--- /dev/null
+++ b/src/classes/test/Contract/jokerrace.integration.test.ts
@@ -0,0 +1,26 @@
+import { JsonRpcProvider } from '../../../index';
+import { rpcUrls } from '../../../providers/test/rpc-urls';
+import { Contract as EssentialEthContract } from '../../Contract';
+import { abi } from './jokerrace-abi';
+
+const JSONABI = abi;
+
+const rpcURL = rpcUrls.oeth;
+const essentialEthProvider = new JsonRpcProvider(rpcURL);
+
+// https://optimistic.etherscan.io/address/0x5c11016ee4f8ad4ea2ab8b1b366f32d30d48a031#code
+const contractAddress = '0x5c11016ee4f8ad4ea2ab8b1b366f32d30d48a031';
+
+const essentialEthContract = new EssentialEthContract(
+  contractAddress,
+  JSONABI,
+  essentialEthProvider,
+);
+describe('jokerrace contract', () => {
+  it('should fetch "address[]"', async () => {
+    const addresses = await essentialEthContract.getAllAddressesThatHaveVoted();
+    expect(Array.isArray(addresses)).toBe(true);
+    expect(addresses.length).toBeGreaterThan(18);
+    expect(addresses).toContain('0x0b06ca5DcC8A10Be0951d4E140D4312702B8D0EC');
+  });
+});
diff --git a/src/classes/test/Contract/uni.test.ts b/src/classes/test/Contract/uni.test.ts
index a2e71e9..e15824a 100644
--- a/src/classes/test/Contract/uni.test.ts
+++ b/src/classes/test/Contract/uni.test.ts
@@ -3,7 +3,6 @@ import { Contract as EssentialEthContract } from '../../Contract';
 import { rpcUrls } from './../../../providers/test/rpc-urls';
 import { uniswapABI } from './uniswap-abi';
 
-// The JSONABI
 const JSONABI = uniswapABI;
 
 const rpcURL = rpcUrls.mainnet;
diff --git a/src/classes/utils/encode-decode-transaction.ts b/src/classes/utils/encode-decode-transaction.ts
index c3750b1..a18afbe 100644
--- a/src/classes/utils/encode-decode-transaction.ts
+++ b/src/classes/utils/encode-decode-transaction.ts
@@ -49,7 +49,8 @@ function expandType(type: ContractTypes) {
   // https://docs.soliditylang.org/en/v0.8.7/types.html#integers
   if (type === 'uint[]') {
     return 'uint256[]';
-  } else if (type === 'int[]') {
+  }
+  if (type === 'int[]') {
     return 'int256[]';
   }
   return type;
@@ -171,8 +172,17 @@ export function decodeRPCResponse(
     return hexToUtf8(hexToDecode);
   }
   // chunk response every 64 characters
-  const encodedOutputs = slicedResponse.match(/.{1,64}/g);
-  const outputs = (encodedOutputs || []).map((output: string, i: number) => {
+  const encodedOutputs = slicedResponse.match(/.{1,64}/g) || [];
+  if (
+    jsonABIArgument?.outputs?.length === 1 &&
+    jsonABIArgument.outputs[0].type === 'address[]'
+  ) {
+    const unformattedAddresses = encodedOutputs.slice(2);
+    return unformattedAddresses.map((unformattedAddress) => {
+      return toChecksumAddress(`0x${unformattedAddress.slice(24)}`);
+    });
+  }
+  const outputs = encodedOutputs.map((output: string, i: number) => {
     const outputType = (rawOutputs || [])[i].type;
     switch (outputType) {
       case 'bool':
@@ -187,6 +197,7 @@ export function decodeRPCResponse(
         return `0x${output}`;
       case 'uint8':
         return Number(hexToDecimal(`0x${output}`));
+
       default:
         throw new Error(
           `essential-eth does not yet support "${outputType}" outputs. Make a PR today!"`,