feat: bridge-controller add HyperEVM and MegaETH

packages/bridge-controller/CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add support for HyperEVM and MegaETH ([#7757](https://github.com/MetaMask/core/pull/7757))
+
 ## [65.0.1]
 
 ### Changed

packages/bridge-controller/src/constants/bridge.ts

@@ -20,6 +20,8 @@ export const ALLOWED_BRIDGE_CHAIN_IDS = [
   CHAIN_IDS.BASE,
   CHAIN_IDS.SEI,
   CHAIN_IDS.MONAD,
+  CHAIN_IDS.HYPEREVM,
+  CHAIN_IDS.MEGAETH,
   SolScope.Mainnet,
   BtcScope.Mainnet,
   TrxScope.Mainnet,
@@ -62,6 +64,8 @@ export const DEFAULT_CHAIN_RANKING = [
   { chainId: 'eip155:10', name: 'Optimism' },
   { chainId: 'eip155:143', name: 'Monad' },
   { chainId: 'eip155:1329', name: 'Sei' },
+  { chainId: 'eip155:999', name: 'HyperEVM' },
+  { chainId: 'eip155:4326', name: 'MegaETH' },
   { chainId: 'eip155:324', name: 'zkSync' },
 ] as const;
 

packages/bridge-controller/src/constants/chains.ts

@@ -75,6 +75,8 @@ export const CHAIN_IDS = {
   MODE_SEPOLIA: '0x397',
   MODE: '0x868b',
   MONAD: '0x8f',
+  HYPEREVM: '0x3e7',
+  MEGAETH: '0x10e6',
 } as const;
 
 export const NETWORK_TYPES = {
@@ -126,6 +128,8 @@ export const MODE_SEPOLIA_DISPLAY_NAME = 'Mode Sepolia';
 export const MODE_DISPLAY_NAME = 'Mode Mainnet';
 export const SEI_DISPLAY_NAME = 'Sei Network';
 export const MONAD_DISPLAY_NAME = 'Monad';
+export const HYPEREVM_DISPLAY_NAME = 'HyperEVM';
+export const MEGAETH_DISPLAY_NAME = 'MegaETH';
 
 export const NETWORK_TO_NAME_MAP = {
   [NETWORK_TYPES.GOERLI]: GOERLI_DISPLAY_NAME,
@@ -159,4 +163,6 @@ export const NETWORK_TO_NAME_MAP = {
   [CHAIN_IDS.LISK_SEPOLIA]: LISK_SEPOLIA_DISPLAY_NAME,
   [CHAIN_IDS.SEI]: SEI_DISPLAY_NAME,
   [CHAIN_IDS.MONAD]: MONAD_DISPLAY_NAME,
+  [CHAIN_IDS.HYPEREVM]: HYPEREVM_DISPLAY_NAME,
+  [CHAIN_IDS.MEGAETH]: MEGAETH_DISPLAY_NAME,
 } as const;

packages/bridge-controller/src/constants/tokens.ts

@@ -57,6 +57,7 @@ const CURRENCY_SYMBOLS = {
   BTC: 'BTC',
   TRX: 'TRX',
   MON: 'MON',
+  HYPE: 'HYPE',
 } as const;
 
 const ETH_SWAPS_TOKEN_OBJECT = {
@@ -135,6 +136,10 @@ const BASE_SWAPS_TOKEN_OBJECT = {
   ...ETH_SWAPS_TOKEN_OBJECT,
 } as const;
 
+const MEGAETH_SWAPS_TOKEN_OBJECT = {
+  ...ETH_SWAPS_TOKEN_OBJECT,
+} as const;
+
 const SOLANA_SWAPS_TOKEN_OBJECT = {
   symbol: CURRENCY_SYMBOLS.SOL,
   name: 'Solana',
@@ -175,6 +180,14 @@ const MONAD_SWAPS_TOKEN_OBJECT = {
   iconUrl: '',
 } as const;
 
+const HYPEREVM_SWAPS_TOKEN_OBJECT = {
+  symbol: CURRENCY_SYMBOLS.HYPE,
+  name: 'Hyperliquid',
+  address: DEFAULT_TOKEN_ADDRESS,
+  decimals: 18,
+  iconUrl: '',
+} as const;
+
 export const SWAPS_CHAINID_DEFAULT_TOKEN_MAP = {
   [CHAIN_IDS.MAINNET]: ETH_SWAPS_TOKEN_OBJECT,
   [CHAIN_IDS.LOCALHOST]: TEST_ETH_SWAPS_TOKEN_OBJECT,
@@ -190,6 +203,8 @@ export const SWAPS_CHAINID_DEFAULT_TOKEN_MAP = {
   [CHAIN_IDS.BASE]: BASE_SWAPS_TOKEN_OBJECT,
   [CHAIN_IDS.SEI]: SEI_SWAPS_TOKEN_OBJECT,
   [CHAIN_IDS.MONAD]: MONAD_SWAPS_TOKEN_OBJECT,
+  [CHAIN_IDS.HYPEREVM]: HYPEREVM_SWAPS_TOKEN_OBJECT,
+  [CHAIN_IDS.MEGAETH]: MEGAETH_SWAPS_TOKEN_OBJECT,
   [SolScope.Mainnet]: SOLANA_SWAPS_TOKEN_OBJECT,
   [SolScope.Devnet]: SOLANA_SWAPS_TOKEN_OBJECT,
   [BtcScope.Mainnet]: BTC_SWAPS_TOKEN_OBJECT,
@@ -219,4 +234,5 @@ export const SYMBOL_TO_SLIP44_MAP: Record<
   SEI: 'slip44:19000118',
   TRX: 'slip44:195',
   MON: 'slip44:268435779',
+  HYPE: 'slip44:2457',
 };

packages/bridge-controller/src/types.ts

@@ -299,6 +299,8 @@ export enum ChainId {
   TRON = 728126428,
   SEI = 1329,
   MONAD = 143,
+  HYPEREVM = 999,
+  MEGAETH = 4326,
 }
 
 export type FeatureFlagsPlatformConfig = Infer<typeof PlatformConfigSchema>;