Revert client to old implementation

packages/sdk/src/clients/multicall/client.e2e.ts

@@ -5,21 +5,18 @@ import { ethers } from "ethers";
 import { emp } from "..";
 
 // multicall contract deployed to mainnet
-const multicallV1Address = "0xeefba1e63905ef1d7acba5a8513c70307c1ce441";
-const multicallV2Address = "0x5ba1e12693dc8f9c48aad8770482f4739beed696";
+const address = "0xeefba1e63905ef1d7acba5a8513c70307c1ce441";
 const empAddress = "0xd81028a6fbAAaf604316F330b20D24bFbFd14478";
 // these require integration testing, skip for ci
 describe("multicall", function () {
-  let clientV1: Client.Instance;
-  let clientV2: Client.Instance;
+  let client: Client.Instance;
   let empClient: emp.Instance;
+
   test("inits", function () {
     const provider = ethers.providers.getDefaultProvider(process.env.CUSTOM_NODE_URL);
-    clientV1 = Client.connect(multicallV1Address, provider);
-    clientV2 = Client.connect(multicallV2Address, provider);
+    client = Client.connect(address, provider);
     empClient = emp.connect(empAddress, provider);
-    assert.ok(clientV1);
-    assert.ok(clientV2);
+    assert.ok(client);
     assert.ok(empClient);
   });
 
@@ -31,27 +28,11 @@ describe("multicall", function () {
         callData: empClient.interface.encodeFunctionData(call),
       };
     });
-    const response = await clientV1.callStatic.aggregate(multicalls);
+    const response = await client.callStatic.aggregate(multicalls);
     const decoded = calls.map((call: any, i: number) => {
       const result = response.returnData[i];
       return empClient.interface.decodeFunctionResult(call, result);
     });
     assert.equal(decoded.length, calls.length);
   });
-
-  test("multicall2 on emp", async function () {
-    const calls = ["priceIdentifier", "tokenCurrency", "collateralCurrency"];
-    const multicalls = calls.map((call: any) => {
-      return {
-        target: empAddress,
-        callData: empClient.interface.encodeFunctionData(call),
-      };
-    });
-    const response = await clientV2.callStatic.tryBlockAndAggregate(false, multicalls);
-    const decoded = calls.map((call: any, i: number) => {
-      const result = response.returnData[i];
-      return empClient.interface.decodeFunctionResult(call, result[1]);
-    });
-    assert.equal(decoded.length, calls.length);
-  });
 });

packages/sdk/src/clients/multicall/client.ts

@@ -1,8 +1,8 @@
 import { EthersContracts } from "@uma/core";
 import type { SignerOrProvider } from "../..";
 
-export type Instance = EthersContracts.Multicall2;
-const Factory = EthersContracts.Multicall2__factory;
+export type Instance = EthersContracts.Multicall;
+const Factory = EthersContracts.Multicall__factory;
 
 export function connect(address: string, provider: SignerOrProvider): Instance {
   return Factory.connect(address, provider);