diff --git a/package.json b/package.json
index addd56e95..c46404e6e 100644
--- a/package.json
+++ b/package.json
@@ -13,13 +13,10 @@
   },
   "scripts": {
     "start": "nodemon -e ts,tsx,json,js,jsx --watch ./src --ignore ./dist --exec 'yarn build'",
-    "build": "yarn run clean && yarn run build:cjs & yarn run build:esm & yarn run build:types; wait",
-    "build:cjs": "tsc --project tsconfig.build.json --module commonjs --outDir ./dist/cjs --removeComments --verbatimModuleSyntax false && echo > ./dist/cjs/package.json '{\"type\":\"commonjs\"}' && yarn copy-abi:cjs",
-    "build:esm": "tsc --project tsconfig.build.json --module es2015 --outDir ./dist/esm && echo > ./dist/esm/package.json '{\"type\":\"module\",\"sideEffects\":false}' && yarn copy-abi:esm",
+    "build": "yarn run clean && yarn typechain && yarn run build:cjs & yarn run build:esm & yarn run build:types; wait",
+    "build:cjs": "tsc --project tsconfig.build.json --module commonjs --outDir ./dist/cjs --removeComments --verbatimModuleSyntax false && echo > ./dist/cjs/package.json '{\"type\":\"commonjs\"}'",
+    "build:esm": "tsc --project tsconfig.build.json --module es2015 --outDir ./dist/esm && echo > ./dist/esm/package.json '{\"type\":\"module\",\"sideEffects\":false}'",
     "build:types": "tsc --project tsconfig.build.json --module esnext --declarationDir ./dist/types --emitDeclarationOnly --declaration --declarationMap",
-    "copy-abi:cjs": "DIR=cjs yarn copy-abi",
-    "copy-abi:esm": "DIR=esm yarn copy-abi",
-    "copy-abi": "abi=utils/abi/contracts; dstdir=\"./dist/${DIR}/${abi}\"; mkdir -p \"${dstdir}\"; cp ./src/${abi}/*.json \"${dstdir}\"",
     "test": "hardhat test",
     "test:watch": "hardhat watch test",
     "test:run:arweave": "npx -y arlocal",
@@ -31,7 +28,8 @@
     "clean": "rm -rf ./dist",
     "bump-version:major": "yarn version --major --no-git-tag-version --no-commit-hooks && git commit -m 'chore: bump version' ./package.json --no-verify",
     "bump-version:minor": "yarn version --minor --no-git-tag-version --no-commit-hooks && git commit -m 'chore: bump version' ./package.json --no-verify",
-    "bump-version:patch": "yarn version --patch --no-git-tag-version --no-commit-hooks && git commit -m 'chore: bump version' ./package.json --no-verify"
+    "bump-version:patch": "yarn version --patch --no-git-tag-version --no-commit-hooks && git commit -m 'chore: bump version' ./package.json --no-verify",
+    "typechain": "typechain --target ethers-v5 --out-dir src/utils/abi/typechain 'src/utils/abi/contracts/*.json' && eslint --fix src/utils/abi/typechain && yarn prettier --write \"src/utils/abi/typechain/**/*.ts\""
   },
   "lint-staged": {
     "*.ts": "yarn lint"
diff --git a/src/utils/Multicall.ts b/src/utils/Multicall.ts
index 788a46349..5ca86f9bd 100644
--- a/src/utils/Multicall.ts
+++ b/src/utils/Multicall.ts
@@ -1,5 +1,6 @@
 import { BigNumber, Contract, providers, Signer, utils as ethersUtils } from "ethers";
-import { getABI } from "./abi";
+import { CHAIN_IDs } from "@across-protocol/constants";
+import { Multicall3, Multicall3__factory } from "./abi/typechain";
 
 type Provider = providers.Provider;
 type BlockTag = providers.BlockTag;
@@ -12,41 +13,48 @@ export type Call3 = {
   args?: any[];
 };
 
-// Multicall3 Constants:
-export const multicall3Addresses: Record<number, string> = {
-  1: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  10: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  137: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  324: "0xF9cda624FBC7e059355ce98a31693d299FACd963",
-  8453: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  34443: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  42161: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  59144: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  534352: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  // Testnets
-  5: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  300: "0xF9cda624FBC7e059355ce98a31693d299FACd963",
-  59140: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  59141: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  80002: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  84531: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  84532: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  421613: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  534351: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  11155111: "0xcA11bde05977b3631167028862bE2a173976CA11",
-  11155420: "0xcA11bde05977b3631167028862bE2a173976CA11",
+const DETERMINISTIC_MULTICALL_ADDRESS = "0xcA11bde05977b3631167028862bE2a173976CA11";
+
+const NON_DETERMINISTIC_MULTICALL_ADDRESSES = {
+  [CHAIN_IDs.ZK_SYNC]: "0xF9cda624FBC7e059355ce98a31693d299FACd963",
 };
 
-export async function getMulticall3(
-  chainId: number,
-  signerOrProvider?: Signer | Provider
-): Promise<Contract | undefined> {
-  const address = multicall3Addresses[chainId];
+const DETERMINISTIC_MULTICALL_CHAINS = [
+  CHAIN_IDs.ARBITRUM,
+  CHAIN_IDs.BASE,
+  CHAIN_IDs.BLAST,
+  CHAIN_IDs.BOBA,
+  CHAIN_IDs.LINEA,
+  CHAIN_IDs.LISK,
+  CHAIN_IDs.MAINNET,
+  CHAIN_IDs.MODE,
+  CHAIN_IDs.OPTIMISM,
+  CHAIN_IDs.POLYGON,
+  CHAIN_IDs.REDSTONE,
+  CHAIN_IDs.SCROLL,
+  CHAIN_IDs.ZORA,
+  // Testnet:
+  CHAIN_IDs.BASE_SEPOLIA,
+  CHAIN_IDs.BLAST_SEPOLIA,
+  CHAIN_IDs.POLYGON_AMOY,
+  CHAIN_IDs.SCROLL_SEPOLIA,
+  CHAIN_IDs.SEPOLIA,
+];
+
+export function getMulticallAddress(chainId: number): string | undefined {
+  if (DETERMINISTIC_MULTICALL_CHAINS.includes(chainId)) {
+    return DETERMINISTIC_MULTICALL_ADDRESS;
+  }
+  return NON_DETERMINISTIC_MULTICALL_ADDRESSES[chainId];
+}
+
+export function getMulticall3(chainId: number, signerOrProvider: Signer | Provider): Multicall3 | undefined {
+  const address = getMulticallAddress(chainId);
   if (!address) {
     return undefined;
   }
 
-  return new Contract(address, await getABI("Multicall3"), signerOrProvider);
+  return Multicall3__factory.connect(address, signerOrProvider);
 }
 
 export async function aggregate(multicall3: Contract, calls: Call3[], blockTag?: BlockTag): Promise<Result[]> {
diff --git a/src/utils/abi/contracts/index.ts b/src/utils/abi/contracts/index.ts
new file mode 100644
index 000000000..afba96e64
--- /dev/null
+++ b/src/utils/abi/contracts/index.ts
@@ -0,0 +1 @@
+export { default as Multicall3Abi } from "./Multicall3.json";
diff --git a/src/utils/abi/typechain/Multicall3.ts b/src/utils/abi/typechain/Multicall3.ts
new file mode 100644
index 000000000..eb70f31bc
--- /dev/null
+++ b/src/utils/abi/typechain/Multicall3.ts
@@ -0,0 +1,433 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BigNumber,
+  BigNumberish,
+  BytesLike,
+  CallOverrides,
+  ContractTransaction,
+  PayableOverrides,
+  PopulatedTransaction,
+  Signer,
+  utils,
+} from "ethers";
+import type { FunctionFragment, Result } from "@ethersproject/abi";
+import type { Listener, Provider } from "@ethersproject/providers";
+import type { TypedEventFilter, TypedEvent, TypedListener, OnEvent } from "./common";
+
+export declare namespace Multicall3 {
+  export type CallStruct = { target: string; callData: BytesLike };
+
+  export type CallStructOutput = [string, string] & {
+    target: string;
+    callData: string;
+  };
+
+  export type Call3Struct = {
+    target: string;
+    allowFailure: boolean;
+    callData: BytesLike;
+  };
+
+  export type Call3StructOutput = [string, boolean, string] & {
+    target: string;
+    allowFailure: boolean;
+    callData: string;
+  };
+
+  export type ResultStruct = { success: boolean; returnData: BytesLike };
+
+  export type ResultStructOutput = [boolean, string] & {
+    success: boolean;
+    returnData: string;
+  };
+
+  export type Call3ValueStruct = {
+    target: string;
+    allowFailure: boolean;
+    value: BigNumberish;
+    callData: BytesLike;
+  };
+
+  export type Call3ValueStructOutput = [string, boolean, BigNumber, string] & {
+    target: string;
+    allowFailure: boolean;
+    value: BigNumber;
+    callData: string;
+  };
+}
+
+export interface Multicall3Interface extends utils.Interface {
+  functions: {
+    "aggregate((address,bytes)[])": FunctionFragment;
+    "aggregate3((address,bool,bytes)[])": FunctionFragment;
+    "aggregate3Value((address,bool,uint256,bytes)[])": FunctionFragment;
+    "blockAndAggregate((address,bytes)[])": FunctionFragment;
+    "getBasefee()": FunctionFragment;
+    "getBlockHash(uint256)": FunctionFragment;
+    "getBlockNumber()": FunctionFragment;
+    "getChainId()": FunctionFragment;
+    "getCurrentBlockCoinbase()": FunctionFragment;
+    "getCurrentBlockDifficulty()": FunctionFragment;
+    "getCurrentBlockGasLimit()": FunctionFragment;
+    "getCurrentBlockTimestamp()": FunctionFragment;
+    "getEthBalance(address)": FunctionFragment;
+    "getLastBlockHash()": FunctionFragment;
+    "tryAggregate(bool,(address,bytes)[])": FunctionFragment;
+    "tryBlockAndAggregate(bool,(address,bytes)[])": FunctionFragment;
+  };
+
+  getFunction(
+    nameOrSignatureOrTopic:
+      | "aggregate"
+      | "aggregate3"
+      | "aggregate3Value"
+      | "blockAndAggregate"
+      | "getBasefee"
+      | "getBlockHash"
+      | "getBlockNumber"
+      | "getChainId"
+      | "getCurrentBlockCoinbase"
+      | "getCurrentBlockDifficulty"
+      | "getCurrentBlockGasLimit"
+      | "getCurrentBlockTimestamp"
+      | "getEthBalance"
+      | "getLastBlockHash"
+      | "tryAggregate"
+      | "tryBlockAndAggregate"
+  ): FunctionFragment;
+
+  encodeFunctionData(functionFragment: "aggregate", values: [Multicall3.CallStruct[]]): string;
+  encodeFunctionData(functionFragment: "aggregate3", values: [Multicall3.Call3Struct[]]): string;
+  encodeFunctionData(functionFragment: "aggregate3Value", values: [Multicall3.Call3ValueStruct[]]): string;
+  encodeFunctionData(functionFragment: "blockAndAggregate", values: [Multicall3.CallStruct[]]): string;
+  encodeFunctionData(functionFragment: "getBasefee", values?: undefined): string;
+  encodeFunctionData(functionFragment: "getBlockHash", values: [BigNumberish]): string;
+  encodeFunctionData(functionFragment: "getBlockNumber", values?: undefined): string;
+  encodeFunctionData(functionFragment: "getChainId", values?: undefined): string;
+  encodeFunctionData(functionFragment: "getCurrentBlockCoinbase", values?: undefined): string;
+  encodeFunctionData(functionFragment: "getCurrentBlockDifficulty", values?: undefined): string;
+  encodeFunctionData(functionFragment: "getCurrentBlockGasLimit", values?: undefined): string;
+  encodeFunctionData(functionFragment: "getCurrentBlockTimestamp", values?: undefined): string;
+  encodeFunctionData(functionFragment: "getEthBalance", values: [string]): string;
+  encodeFunctionData(functionFragment: "getLastBlockHash", values?: undefined): string;
+  encodeFunctionData(functionFragment: "tryAggregate", values: [boolean, Multicall3.CallStruct[]]): string;
+  encodeFunctionData(functionFragment: "tryBlockAndAggregate", values: [boolean, Multicall3.CallStruct[]]): string;
+
+  decodeFunctionResult(functionFragment: "aggregate", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "aggregate3", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "aggregate3Value", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "blockAndAggregate", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getBasefee", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getBlockHash", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getBlockNumber", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getChainId", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getCurrentBlockCoinbase", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getCurrentBlockDifficulty", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getCurrentBlockGasLimit", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getCurrentBlockTimestamp", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getEthBalance", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "getLastBlockHash", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "tryAggregate", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "tryBlockAndAggregate", data: BytesLike): Result;
+
+  events: {};
+}
+
+export interface Multicall3 extends BaseContract {
+  connect(signerOrProvider: Signer | Provider | string): this;
+  attach(addressOrName: string): this;
+  deployed(): Promise<this>;
+
+  interface: Multicall3Interface;
+
+  queryFilter<TEvent extends TypedEvent>(
+    event: TypedEventFilter<TEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TEvent>>;
+
+  listeners<TEvent extends TypedEvent>(eventFilter?: TypedEventFilter<TEvent>): Array<TypedListener<TEvent>>;
+  listeners(eventName?: string): Array<Listener>;
+  removeAllListeners<TEvent extends TypedEvent>(eventFilter: TypedEventFilter<TEvent>): this;
+  removeAllListeners(eventName?: string): this;
+  off: OnEvent<this>;
+  on: OnEvent<this>;
+  once: OnEvent<this>;
+  removeListener: OnEvent<this>;
+
+  functions: {
+    aggregate(
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<ContractTransaction>;
+
+    aggregate3(
+      calls: Multicall3.Call3Struct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<ContractTransaction>;
+
+    aggregate3Value(
+      calls: Multicall3.Call3ValueStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<ContractTransaction>;
+
+    blockAndAggregate(
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<ContractTransaction>;
+
+    getBasefee(overrides?: CallOverrides): Promise<[BigNumber] & { basefee: BigNumber }>;
+
+    getBlockHash(blockNumber: BigNumberish, overrides?: CallOverrides): Promise<[string] & { blockHash: string }>;
+
+    getBlockNumber(overrides?: CallOverrides): Promise<[BigNumber] & { blockNumber: BigNumber }>;
+
+    getChainId(overrides?: CallOverrides): Promise<[BigNumber] & { chainid: BigNumber }>;
+
+    getCurrentBlockCoinbase(overrides?: CallOverrides): Promise<[string] & { coinbase: string }>;
+
+    getCurrentBlockDifficulty(overrides?: CallOverrides): Promise<[BigNumber] & { difficulty: BigNumber }>;
+
+    getCurrentBlockGasLimit(overrides?: CallOverrides): Promise<[BigNumber] & { gaslimit: BigNumber }>;
+
+    getCurrentBlockTimestamp(overrides?: CallOverrides): Promise<[BigNumber] & { timestamp: BigNumber }>;
+
+    getEthBalance(addr: string, overrides?: CallOverrides): Promise<[BigNumber] & { balance: BigNumber }>;
+
+    getLastBlockHash(overrides?: CallOverrides): Promise<[string] & { blockHash: string }>;
+
+    tryAggregate(
+      requireSuccess: boolean,
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<ContractTransaction>;
+
+    tryBlockAndAggregate(
+      requireSuccess: boolean,
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<ContractTransaction>;
+  };
+
+  aggregate(
+    calls: Multicall3.CallStruct[],
+    overrides?: PayableOverrides & { from?: string }
+  ): Promise<ContractTransaction>;
+
+  aggregate3(
+    calls: Multicall3.Call3Struct[],
+    overrides?: PayableOverrides & { from?: string }
+  ): Promise<ContractTransaction>;
+
+  aggregate3Value(
+    calls: Multicall3.Call3ValueStruct[],
+    overrides?: PayableOverrides & { from?: string }
+  ): Promise<ContractTransaction>;
+
+  blockAndAggregate(
+    calls: Multicall3.CallStruct[],
+    overrides?: PayableOverrides & { from?: string }
+  ): Promise<ContractTransaction>;
+
+  getBasefee(overrides?: CallOverrides): Promise<BigNumber>;
+
+  getBlockHash(blockNumber: BigNumberish, overrides?: CallOverrides): Promise<string>;
+
+  getBlockNumber(overrides?: CallOverrides): Promise<BigNumber>;
+
+  getChainId(overrides?: CallOverrides): Promise<BigNumber>;
+
+  getCurrentBlockCoinbase(overrides?: CallOverrides): Promise<string>;
+
+  getCurrentBlockDifficulty(overrides?: CallOverrides): Promise<BigNumber>;
+
+  getCurrentBlockGasLimit(overrides?: CallOverrides): Promise<BigNumber>;
+
+  getCurrentBlockTimestamp(overrides?: CallOverrides): Promise<BigNumber>;
+
+  getEthBalance(addr: string, overrides?: CallOverrides): Promise<BigNumber>;
+
+  getLastBlockHash(overrides?: CallOverrides): Promise<string>;
+
+  tryAggregate(
+    requireSuccess: boolean,
+    calls: Multicall3.CallStruct[],
+    overrides?: PayableOverrides & { from?: string }
+  ): Promise<ContractTransaction>;
+
+  tryBlockAndAggregate(
+    requireSuccess: boolean,
+    calls: Multicall3.CallStruct[],
+    overrides?: PayableOverrides & { from?: string }
+  ): Promise<ContractTransaction>;
+
+  callStatic: {
+    aggregate(
+      calls: Multicall3.CallStruct[],
+      overrides?: CallOverrides
+    ): Promise<[BigNumber, string[]] & { blockNumber: BigNumber; returnData: string[] }>;
+
+    aggregate3(calls: Multicall3.Call3Struct[], overrides?: CallOverrides): Promise<Multicall3.ResultStructOutput[]>;
+
+    aggregate3Value(
+      calls: Multicall3.Call3ValueStruct[],
+      overrides?: CallOverrides
+    ): Promise<Multicall3.ResultStructOutput[]>;
+
+    blockAndAggregate(
+      calls: Multicall3.CallStruct[],
+      overrides?: CallOverrides
+    ): Promise<
+      [BigNumber, string, Multicall3.ResultStructOutput[]] & {
+        blockNumber: BigNumber;
+        blockHash: string;
+        returnData: Multicall3.ResultStructOutput[];
+      }
+    >;
+
+    getBasefee(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getBlockHash(blockNumber: BigNumberish, overrides?: CallOverrides): Promise<string>;
+
+    getBlockNumber(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getChainId(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getCurrentBlockCoinbase(overrides?: CallOverrides): Promise<string>;
+
+    getCurrentBlockDifficulty(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getCurrentBlockGasLimit(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getCurrentBlockTimestamp(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getEthBalance(addr: string, overrides?: CallOverrides): Promise<BigNumber>;
+
+    getLastBlockHash(overrides?: CallOverrides): Promise<string>;
+
+    tryAggregate(
+      requireSuccess: boolean,
+      calls: Multicall3.CallStruct[],
+      overrides?: CallOverrides
+    ): Promise<Multicall3.ResultStructOutput[]>;
+
+    tryBlockAndAggregate(
+      requireSuccess: boolean,
+      calls: Multicall3.CallStruct[],
+      overrides?: CallOverrides
+    ): Promise<
+      [BigNumber, string, Multicall3.ResultStructOutput[]] & {
+        blockNumber: BigNumber;
+        blockHash: string;
+        returnData: Multicall3.ResultStructOutput[];
+      }
+    >;
+  };
+
+  filters: {};
+
+  estimateGas: {
+    aggregate(calls: Multicall3.CallStruct[], overrides?: PayableOverrides & { from?: string }): Promise<BigNumber>;
+
+    aggregate3(calls: Multicall3.Call3Struct[], overrides?: PayableOverrides & { from?: string }): Promise<BigNumber>;
+
+    aggregate3Value(
+      calls: Multicall3.Call3ValueStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<BigNumber>;
+
+    blockAndAggregate(
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<BigNumber>;
+
+    getBasefee(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getBlockHash(blockNumber: BigNumberish, overrides?: CallOverrides): Promise<BigNumber>;
+
+    getBlockNumber(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getChainId(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getCurrentBlockCoinbase(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getCurrentBlockDifficulty(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getCurrentBlockGasLimit(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getCurrentBlockTimestamp(overrides?: CallOverrides): Promise<BigNumber>;
+
+    getEthBalance(addr: string, overrides?: CallOverrides): Promise<BigNumber>;
+
+    getLastBlockHash(overrides?: CallOverrides): Promise<BigNumber>;
+
+    tryAggregate(
+      requireSuccess: boolean,
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<BigNumber>;
+
+    tryBlockAndAggregate(
+      requireSuccess: boolean,
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<BigNumber>;
+  };
+
+  populateTransaction: {
+    aggregate(
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<PopulatedTransaction>;
+
+    aggregate3(
+      calls: Multicall3.Call3Struct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<PopulatedTransaction>;
+
+    aggregate3Value(
+      calls: Multicall3.Call3ValueStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<PopulatedTransaction>;
+
+    blockAndAggregate(
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<PopulatedTransaction>;
+
+    getBasefee(overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    getBlockHash(blockNumber: BigNumberish, overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    getBlockNumber(overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    getChainId(overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    getCurrentBlockCoinbase(overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    getCurrentBlockDifficulty(overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    getCurrentBlockGasLimit(overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    getCurrentBlockTimestamp(overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    getEthBalance(addr: string, overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    getLastBlockHash(overrides?: CallOverrides): Promise<PopulatedTransaction>;
+
+    tryAggregate(
+      requireSuccess: boolean,
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<PopulatedTransaction>;
+
+    tryBlockAndAggregate(
+      requireSuccess: boolean,
+      calls: Multicall3.CallStruct[],
+      overrides?: PayableOverrides & { from?: string }
+    ): Promise<PopulatedTransaction>;
+  };
+}
diff --git a/src/utils/abi/typechain/common.ts b/src/utils/abi/typechain/common.ts
new file mode 100644
index 000000000..e070c605c
--- /dev/null
+++ b/src/utils/abi/typechain/common.ts
@@ -0,0 +1,30 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type { Listener } from "@ethersproject/providers";
+import type { Event, EventFilter } from "ethers";
+
+export interface TypedEvent<TArgsArray extends Array<any> = any, TArgsObject = any> extends Event {
+  args: TArgsArray & TArgsObject;
+}
+
+export interface TypedEventFilter<_TEvent extends TypedEvent> extends EventFilter {}
+
+export interface TypedListener<TEvent extends TypedEvent> {
+  (...listenerArg: [...__TypechainArgsArray<TEvent>, TEvent]): void;
+}
+
+type __TypechainArgsArray<T> = T extends TypedEvent<infer U> ? U : never;
+
+export interface OnEvent<TRes> {
+  <TEvent extends TypedEvent>(eventFilter: TypedEventFilter<TEvent>, listener: TypedListener<TEvent>): TRes;
+  (eventName: string, listener: Listener): TRes;
+}
+
+export type MinEthersFactory<C, ARGS> = {
+  deploy(...a: ARGS[]): Promise<C>;
+};
+
+export type GetContractTypeFromFactory<F> = F extends MinEthersFactory<infer C, any> ? C : never;
+
+export type GetARGsTypeFromFactory<F> = F extends MinEthersFactory<any, any> ? Parameters<F["deploy"]> : never;
diff --git a/src/utils/abi/typechain/factories/Multicall3__factory.ts b/src/utils/abi/typechain/factories/Multicall3__factory.ts
new file mode 100644
index 000000000..f45ae5c43
--- /dev/null
+++ b/src/utils/abi/typechain/factories/Multicall3__factory.ts
@@ -0,0 +1,458 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Signer, utils } from "ethers";
+import type { Provider } from "@ethersproject/providers";
+import type { Multicall3, Multicall3Interface } from "../Multicall3";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        components: [
+          {
+            internalType: "address",
+            name: "target",
+            type: "address",
+          },
+          {
+            internalType: "bytes",
+            name: "callData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Call[]",
+        name: "calls",
+        type: "tuple[]",
+      },
+    ],
+    name: "aggregate",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "blockNumber",
+        type: "uint256",
+      },
+      {
+        internalType: "bytes[]",
+        name: "returnData",
+        type: "bytes[]",
+      },
+    ],
+    stateMutability: "payable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        components: [
+          {
+            internalType: "address",
+            name: "target",
+            type: "address",
+          },
+          {
+            internalType: "bool",
+            name: "allowFailure",
+            type: "bool",
+          },
+          {
+            internalType: "bytes",
+            name: "callData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Call3[]",
+        name: "calls",
+        type: "tuple[]",
+      },
+    ],
+    name: "aggregate3",
+    outputs: [
+      {
+        components: [
+          {
+            internalType: "bool",
+            name: "success",
+            type: "bool",
+          },
+          {
+            internalType: "bytes",
+            name: "returnData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Result[]",
+        name: "returnData",
+        type: "tuple[]",
+      },
+    ],
+    stateMutability: "payable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        components: [
+          {
+            internalType: "address",
+            name: "target",
+            type: "address",
+          },
+          {
+            internalType: "bool",
+            name: "allowFailure",
+            type: "bool",
+          },
+          {
+            internalType: "uint256",
+            name: "value",
+            type: "uint256",
+          },
+          {
+            internalType: "bytes",
+            name: "callData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Call3Value[]",
+        name: "calls",
+        type: "tuple[]",
+      },
+    ],
+    name: "aggregate3Value",
+    outputs: [
+      {
+        components: [
+          {
+            internalType: "bool",
+            name: "success",
+            type: "bool",
+          },
+          {
+            internalType: "bytes",
+            name: "returnData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Result[]",
+        name: "returnData",
+        type: "tuple[]",
+      },
+    ],
+    stateMutability: "payable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        components: [
+          {
+            internalType: "address",
+            name: "target",
+            type: "address",
+          },
+          {
+            internalType: "bytes",
+            name: "callData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Call[]",
+        name: "calls",
+        type: "tuple[]",
+      },
+    ],
+    name: "blockAndAggregate",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "blockNumber",
+        type: "uint256",
+      },
+      {
+        internalType: "bytes32",
+        name: "blockHash",
+        type: "bytes32",
+      },
+      {
+        components: [
+          {
+            internalType: "bool",
+            name: "success",
+            type: "bool",
+          },
+          {
+            internalType: "bytes",
+            name: "returnData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Result[]",
+        name: "returnData",
+        type: "tuple[]",
+      },
+    ],
+    stateMutability: "payable",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "getBasefee",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "basefee",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "uint256",
+        name: "blockNumber",
+        type: "uint256",
+      },
+    ],
+    name: "getBlockHash",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "blockHash",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "getBlockNumber",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "blockNumber",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "getChainId",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "chainid",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "getCurrentBlockCoinbase",
+    outputs: [
+      {
+        internalType: "address",
+        name: "coinbase",
+        type: "address",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "getCurrentBlockDifficulty",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "difficulty",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "getCurrentBlockGasLimit",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "gaslimit",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "getCurrentBlockTimestamp",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "timestamp",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "addr",
+        type: "address",
+      },
+    ],
+    name: "getEthBalance",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "balance",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "getLastBlockHash",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "blockHash",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bool",
+        name: "requireSuccess",
+        type: "bool",
+      },
+      {
+        components: [
+          {
+            internalType: "address",
+            name: "target",
+            type: "address",
+          },
+          {
+            internalType: "bytes",
+            name: "callData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Call[]",
+        name: "calls",
+        type: "tuple[]",
+      },
+    ],
+    name: "tryAggregate",
+    outputs: [
+      {
+        components: [
+          {
+            internalType: "bool",
+            name: "success",
+            type: "bool",
+          },
+          {
+            internalType: "bytes",
+            name: "returnData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Result[]",
+        name: "returnData",
+        type: "tuple[]",
+      },
+    ],
+    stateMutability: "payable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bool",
+        name: "requireSuccess",
+        type: "bool",
+      },
+      {
+        components: [
+          {
+            internalType: "address",
+            name: "target",
+            type: "address",
+          },
+          {
+            internalType: "bytes",
+            name: "callData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Call[]",
+        name: "calls",
+        type: "tuple[]",
+      },
+    ],
+    name: "tryBlockAndAggregate",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "blockNumber",
+        type: "uint256",
+      },
+      {
+        internalType: "bytes32",
+        name: "blockHash",
+        type: "bytes32",
+      },
+      {
+        components: [
+          {
+            internalType: "bool",
+            name: "success",
+            type: "bool",
+          },
+          {
+            internalType: "bytes",
+            name: "returnData",
+            type: "bytes",
+          },
+        ],
+        internalType: "struct Multicall3.Result[]",
+        name: "returnData",
+        type: "tuple[]",
+      },
+    ],
+    stateMutability: "payable",
+    type: "function",
+  },
+] as const;
+
+export class Multicall3__factory {
+  static readonly abi = _abi;
+  static createInterface(): Multicall3Interface {
+    return new utils.Interface(_abi) as Multicall3Interface;
+  }
+  static connect(address: string, signerOrProvider: Signer | Provider): Multicall3 {
+    return new Contract(address, _abi, signerOrProvider) as Multicall3;
+  }
+}
diff --git a/src/utils/abi/typechain/factories/index.ts b/src/utils/abi/typechain/factories/index.ts
new file mode 100644
index 000000000..0a9422c46
--- /dev/null
+++ b/src/utils/abi/typechain/factories/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export { Multicall3__factory } from "./Multicall3__factory";
diff --git a/src/utils/abi/typechain/index.ts b/src/utils/abi/typechain/index.ts
new file mode 100644
index 000000000..e467ad439
--- /dev/null
+++ b/src/utils/abi/typechain/index.ts
@@ -0,0 +1,6 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export type { Multicall3 } from "./Multicall3";
+export * as factories from "./factories";
+export { Multicall3__factory } from "./factories/Multicall3__factory";
diff --git a/test/abi.ts b/test/abi.ts
index 5b632bbf2..7c36d955d 100644
--- a/test/abi.ts
+++ b/test/abi.ts
@@ -11,6 +11,8 @@ describe("ABI Utils", () => {
       // trailing '.json', since readdir() returns the full filename, but callers should only supply the ABI name.
       abiFiles = abiFiles
         .filter((fileName) => !fileName.startsWith("."))
+        // filter out barrel file
+        .filter((fileName) => !(fileName === "index.ts"))
         .map((fileName) => fileName.slice(0, fileName.lastIndexOf(".json")));
 
       for (const abiFile of abiFiles) {
diff --git a/test/multicall.test.ts b/test/multicall.test.ts
new file mode 100644
index 000000000..4f392e8ef
--- /dev/null
+++ b/test/multicall.test.ts
@@ -0,0 +1,46 @@
+import { CHAIN_IDs } from "@across-protocol/constants";
+import { getMulticall3, getMulticallAddress } from "../src/utils/Multicall";
+import { expect, waffle } from "./utils";
+
+describe("getMulticallAddress", () => {
+  it("should return the deterministic multicall address for a chain in DETERMINISTIC_MULTICALL_CHAINS", () => {
+    const chainId = CHAIN_IDs.ARBITRUM;
+    const address = getMulticallAddress(chainId);
+
+    expect(address).to.be.eq("0xcA11bde05977b3631167028862bE2a173976CA11");
+  });
+
+  it("should return the non-deterministic multicall address for ZK_SYNC", () => {
+    const chainId = CHAIN_IDs.ZK_SYNC;
+    const address = getMulticallAddress(chainId);
+
+    expect(address).to.be.eq("0xF9cda624FBC7e059355ce98a31693d299FACd963");
+  });
+
+  it("should return undefined for an unknown chainId", () => {
+    const chainId = 9999; // random chain
+    const address = getMulticallAddress(chainId);
+
+    expect(address).to.be.undefined;
+  });
+});
+
+describe("getMulticall3", () => {
+  it("should return undefined for an unsupported chainId", () => {
+    const chainId = 100; // Unsupported chain (Mumbai)
+    const provider = waffle.provider;
+    const multicall = getMulticall3(chainId, provider);
+
+    expect(multicall).to.be.undefined;
+  });
+
+  it("should return a Multicall3 instance for a supported chainId", () => {
+    const chainId = CHAIN_IDs.ARBITRUM;
+    const provider = waffle.provider;
+    const multicall = getMulticall3(chainId, provider);
+
+    expect(multicall).to.not.be.undefined;
+
+    expect(multicall?.aggregate).to.be.a("function");
+  });
+});
diff --git a/test/utils/index.ts b/test/utils/index.ts
index 863f1e571..91f17f9c0 100644
--- a/test/utils/index.ts
+++ b/test/utils/index.ts
@@ -1,5 +1,5 @@
 export * as contractsV2Utils from "@across-protocol/contracts/dist/test-utils";
-export { ethers } from "hardhat";
+export { ethers, waffle } from "hardhat";
 export { smock } from "@defi-wonderland/smock";
 
 export * from "./utils";
diff --git a/tsconfig.json b/tsconfig.json
index 2614cc937..1ba5139d7 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,6 +5,8 @@
     "module": "CommonJS",
     "target": "ES5",
     "lib": ["dom", "esnext"],
+    // allow bundling of json files
+    "resolveJsonModule": true,
     "importHelpers": true,
     // output .d.ts declaration files for consumers
     "declaration": true,