taoshidev · TaoshiKen · Dec 1, 2025 · Dec 3, 2025 · Jan 13, 2026
diff --git a/package.json b/package.json
@@ -95,6 +95,7 @@
     "react-toastify": "10.0.5",
     "react-use": "17.3.1",
     "recharts": "2.12.7",
+    "regenerator-runtime": "0.14.1",
     "reselect": "5.1.0",
     "sass": "1.55.0",
     "shallowequal": "1.1.0",
@@ -143,6 +144,7 @@
     "@typechain/ethers-v6": "0.5.1",
     "@types/react-calendar": "4.1.0",
     "@types/react-date-range": "1.4.9",
+    "@types/regenerator-runtime": "^0",
     "@typescript-eslint/eslint-plugin": "8.26.1",
     "@typescript-eslint/parser": "8.26.1",
     "@vitejs/plugin-react": "4.3.1",
@@ -189,5 +191,5 @@
       "prettier --write"
     ]
   },
-  "packageManager": "yarn@3.1.0"
+  "packageManager": "yarn@4.12.0"
 }
diff --git a/sdk/src/configs/batch.ts b/sdk/src/configs/batch.ts
@@ -6,7 +6,9 @@ import {
   ARBITRUM_SEPOLIA,
   AVALANCHE,
   AVALANCHE_FUJI,
+  BASE_SEPOLIA,
   BOTANIX,
+  LOCALHOST,
   SOURCE_BASE_MAINNET,
   SOURCE_OPTIMISM_SEPOLIA,
   SOURCE_SEPOLIA,
@@ -93,6 +95,18 @@ export const BATCH_CONFIGS: Record<
       },
     },
   },
+  [BASE_SEPOLIA]: {
+    http: {
+      batchSize: 40,
+      wait: 100,
+    },
+    client: {
+      multicall: {
+        batchSize: 1024 * 1024,
+        wait: 100,
+      },
+    },
+  },
   [SOURCE_OPTIMISM_SEPOLIA]: {
     http: {
       batchSize: 40,
@@ -117,4 +131,16 @@ export const BATCH_CONFIGS: Record<
       },
     },
   },
+  [LOCALHOST]: {
+    http: {
+      batchSize: 0,
+      wait: 0,
+    },
+    client: {
+      multicall: {
+        batchSize: 1024 * 1024,
+        wait: 0,
+      },
+    },
+  },
 };
diff --git a/sdk/src/configs/chainIds.ts b/sdk/src/configs/chainIds.ts
@@ -11,3 +11,6 @@ export const ARBITRUM_SEPOLIA = 421614;
 // Testnet source
 export const SOURCE_OPTIMISM_SEPOLIA = 11155420;
 export const SOURCE_SEPOLIA = 11155111;
+// Local development
+export const LOCALHOST = 31337;
+export const BASE_SEPOLIA = 84532;
diff --git a/sdk/src/configs/chains.ts b/sdk/src/configs/chains.ts
@@ -6,8 +6,10 @@ import {
   avalancheFuji,
   base,
   Chain,
+  localhost as viemLocalhost,
   optimismSepolia,
   sepolia,
+  baseSepolia,
 } from "viem/chains";
 
 import type { GasLimitsConfig } from "types/fees";
@@ -22,6 +24,8 @@ import {
   SOURCE_OPTIMISM_SEPOLIA,
   SOURCE_SEPOLIA,
   SOURCE_BASE_MAINNET,
+  BASE_SEPOLIA,
+  LOCALHOST,
 } from "./chainIds";
 export {
   AVALANCHE,
@@ -33,20 +37,24 @@ export {
   SOURCE_OPTIMISM_SEPOLIA,
   SOURCE_SEPOLIA,
   SOURCE_BASE_MAINNET,
+  BASE_SEPOLIA,
+  LOCALHOST,
 };
 
 export const CONTRACTS_CHAIN_IDS: ContractsChainId[] = [ARBITRUM, AVALANCHE, BOTANIX];
-export const CONTRACTS_CHAIN_IDS_DEV: ContractsChainId[] = [...CONTRACTS_CHAIN_IDS, AVALANCHE_FUJI, ARBITRUM_SEPOLIA];
+export const CONTRACTS_CHAIN_IDS_DEV: ContractsChainId[] = [...CONTRACTS_CHAIN_IDS, AVALANCHE_FUJI, ARBITRUM_SEPOLIA, LOCALHOST];
 
 export type ContractsChainId =
   | typeof ARBITRUM
   | typeof AVALANCHE
   | typeof AVALANCHE_FUJI
   | typeof BOTANIX
-  | typeof ARBITRUM_SEPOLIA;
+  | typeof ARBITRUM_SEPOLIA
+  | typeof BASE_SEPOLIA
+  | typeof LOCALHOST;
 
-export type SettlementChainId = typeof ARBITRUM_SEPOLIA | typeof ARBITRUM | typeof AVALANCHE;
-export type SourceChainId = typeof SOURCE_OPTIMISM_SEPOLIA | typeof SOURCE_SEPOLIA | typeof SOURCE_BASE_MAINNET;
+export type SettlementChainId = typeof ARBITRUM_SEPOLIA | typeof ARBITRUM | typeof AVALANCHE | typeof BASE_SEPOLIA;
+export type SourceChainId = typeof SOURCE_OPTIMISM_SEPOLIA | typeof SOURCE_SEPOLIA | typeof SOURCE_BASE_MAINNET | typeof BASE_SEPOLIA;
 export type AnyChainId = ContractsChainId | SettlementChainId | SourceChainId;
 
 export type ChainName =
@@ -57,7 +65,9 @@ export type ChainName =
   | "Optimism Sepolia"
   | "Sepolia"
   | "Botanix"
-  | "Base";
+  | "Base"
+  | "Base Sepolia"
+  | "Localhost";
 
 export const CHAIN_NAMES_MAP: Record<AnyChainId, ChainName> = {
   [ARBITRUM]: "Arbitrum",
@@ -68,6 +78,8 @@ export const CHAIN_NAMES_MAP: Record<AnyChainId, ChainName> = {
   [SOURCE_OPTIMISM_SEPOLIA]: "Optimism Sepolia",
   [SOURCE_SEPOLIA]: "Sepolia",
   [SOURCE_BASE_MAINNET]: "Base",
+  [BASE_SEPOLIA]: "Base Sepolia",
+  [LOCALHOST]: "Localhost",
 };
 
 export const HIGH_EXECUTION_FEES_MAP: Record<ContractsChainId, number> = {
@@ -76,6 +88,8 @@ export const HIGH_EXECUTION_FEES_MAP: Record<ContractsChainId, number> = {
   [AVALANCHE_FUJI]: 5, // 5 USD
   [BOTANIX]: 5, // 5 USD
   [ARBITRUM_SEPOLIA]: 5, // 5 USD
+  [BASE_SEPOLIA]: 5, // 5 USD
+  [LOCALHOST]: 5, // 5 USD
 };
 
 // added to maxPriorityFeePerGas
@@ -103,13 +117,17 @@ export const MAX_PRIORITY_FEE_PER_GAS_MAP: Record<ContractsChainId, bigint | und
   [AVALANCHE_FUJI]: 1500000000n,
   [ARBITRUM_SEPOLIA]: 1500000000n,
   [BOTANIX]: 7n,
+  [BASE_SEPOLIA]: 1500000000n,
+  [LOCALHOST]: 1500000000n,
 };
 
 export const EXCESSIVE_EXECUTION_FEES_MAP: Partial<Record<ContractsChainId, number>> = {
   [ARBITRUM]: 10, // 10 USD
   [AVALANCHE]: 10, // 10 USD
   [AVALANCHE_FUJI]: 10, // 10 USD
   [BOTANIX]: 10, // 10 USD
+  [BASE_SEPOLIA]: 10, // 10 USD
+  [LOCALHOST]: 10, // 10 USD
 };
 
 // avoid botanix gas spikes when chain is not actively used
@@ -119,6 +137,7 @@ export const MIN_EXECUTION_FEE_USD: Partial<Record<ContractsChainId, bigint | un
   [AVALANCHE]: undefined,
   [AVALANCHE_FUJI]: undefined,
   [BOTANIX]: 1000000000000000000000000000n, // 1e27 $0.001
+  [BASE_SEPOLIA]: 1000000000000000000000000000n, // 1e27 $0.001
 };
 
 // added to gasPrice
@@ -173,6 +192,26 @@ export const botanix: Chain = defineChain({
   },
 });
 
+export const localhost: Chain = defineChain({
+  id: LOCALHOST,
+  name: "Localhost",
+  nativeCurrency: {
+    name: "Ether",
+    symbol: "ETH",
+    decimals: 18,
+  },
+  rpcUrls: {
+    default: {
+      http: ["http://127.0.0.1:8545"],
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: "0xCD8a1C3ba11CF5ECfa6267617243239504a98d90",
+    },
+  },
+});
+
 const VIEM_CHAIN_BY_CHAIN_ID: Record<AnyChainId, Chain> = {
   [AVALANCHE_FUJI]: avalancheFuji,
   [ARBITRUM]: arbitrum,
@@ -182,6 +221,8 @@ const VIEM_CHAIN_BY_CHAIN_ID: Record<AnyChainId, Chain> = {
   [SOURCE_OPTIMISM_SEPOLIA]: optimismSepolia,
   [SOURCE_SEPOLIA]: sepolia,
   [SOURCE_BASE_MAINNET]: base,
+  [BASE_SEPOLIA]: baseSepolia,
+  [LOCALHOST]: localhost,
 };
 
 export function getChainName(chainId: number): ChainName {
@@ -205,7 +246,7 @@ export function isContractsChain(chainId: number, dev = false): chainId is Contr
 }
 
 export function isTestnetChain(chainId: number): boolean {
-  return [AVALANCHE_FUJI, ARBITRUM_SEPOLIA].includes(chainId);
+  return [AVALANCHE_FUJI, ARBITRUM_SEPOLIA, LOCALHOST].includes(chainId);
 }
 
 export const EXECUTION_FEE_CONFIG_V2: {
@@ -230,10 +271,18 @@ export const EXECUTION_FEE_CONFIG_V2: {
     shouldUseMaxPriorityFeePerGas: false,
     defaultBufferBps: 1000, // 10%
   },
+  [BASE_SEPOLIA]: {
+    shouldUseMaxPriorityFeePerGas: false,
+    defaultBufferBps: 1000, // 10%
+  },
   [BOTANIX]: {
     shouldUseMaxPriorityFeePerGas: true,
     defaultBufferBps: 3000, // 30%
   },
+  [LOCALHOST]: {
+    shouldUseMaxPriorityFeePerGas: false,
+    defaultBufferBps: 1000, // 10%
+  },
 };
 
 type StaticGasLimitsConfig = Pick<
@@ -281,4 +330,18 @@ export const GAS_LIMITS_STATIC_CONFIG: Record<ContractsChainId, StaticGasLimitsC
     tokenPermitGasLimit: 90_000n,
     gmxAccountCollateralGasLimit: 0n,
   },
+  [LOCALHOST]: {
+    createOrderGasLimit: 1_000_000n,
+    updateOrderGasLimit: 800_000n,
+    cancelOrderGasLimit: 700_000n,
+    tokenPermitGasLimit: 90_000n,
+    gmxAccountCollateralGasLimit: 0n,
+  },
+  [BASE_SEPOLIA]: {
+    createOrderGasLimit: 1_000_000n,
+    updateOrderGasLimit: 800_000n,
+    cancelOrderGasLimit: 700_000n,
+    tokenPermitGasLimit: 90_000n,
+    gmxAccountCollateralGasLimit: 0n,
+  },
 };