Add Rootstock chain

src/providers/token-provider.ts

@@ -656,6 +656,32 @@ export const USDB_BLAST = new Token(
   'USD Blast'
 )
 
+// Rootstock Tokens
+export const DAI_ROOTSTOCK = new Token(
+  ChainId.ROOTSTOCK,
+  '0x6B1a73d547F4009A26B8485b63D7015D248AD406',
+  18,
+  'rDAI',
+  'Dai Stablecoin on RSK'
+);
+
+export const USDT_ROOTSTOCK = new Token(
+  ChainId.ROOTSTOCK,
+  '0xEf213441a85DF4d7acBdAe0Cf78004E1e486BB96',
+  18,
+  'rUSDT',
+  'Tether USD on ROOTSTOCK'
+);
+
+export const USDC_ROOTSTOCK = new Token(
+  ChainId.ROOTSTOCK,
+  '0x1BDa44fda023F2af8280a16FD1b01D1A493BA6c4',
+  18,
+  'rUSDC',
+  'USDC on ROOTSTOCK'
+);
+
+
 export class TokenProvider implements ITokenProvider {
   constructor(
     private chainId: ChainId,
@@ -861,6 +887,8 @@ export const DAI_ON = (chainId: ChainId): Token => {
       return DAI_BNB;
     case ChainId.AVALANCHE:
       return DAI_AVAX;
+    case ChainId.ROOTSTOCK:
+      return DAI_ROOTSTOCK;      
     default:
       throw new Error(`Chain id: ${chainId} not supported`);
   }
@@ -882,6 +910,8 @@ export const USDT_ON = (chainId: ChainId): Token => {
       return USDT_ARBITRUM;
     case ChainId.BNB:
       return USDT_BNB;
+    case ChainId.ROOTSTOCK:
+      return USDT_ROOTSTOCK;      
     default:
       throw new Error(`Chain id: ${chainId} not supported`);
   }
@@ -923,6 +953,8 @@ export const USDC_ON = (chainId: ChainId): Token => {
       return USDC_BASE;
     case ChainId.BASE_GOERLI:
       return USDC_BASE_GOERLI;
+    case ChainId.ROOTSTOCK:
+      return USDC_ROOTSTOCK;       
     default:
       throw new Error(`Chain id: ${chainId} not supported`);
   }

src/providers/v3/subgraph-provider.ts

@@ -55,6 +55,8 @@ const SUBGRAPH_URL_BY_CHAIN: { [chainId in ChainId]?: string } = {
     'https://api.thegraph.com/subgraphs/name/ianlapham/arbitrum-minimal',
   // todo: add once subgraph is live
   [ChainId.ARBITRUM_SEPOLIA]: '',
+  // todo: add once subgraph is live
+  [ChainId.ROOTSTOCK]: '',
   [ChainId.POLYGON]:
     'https://api.thegraph.com/subgraphs/name/ianlapham/uniswap-v3-polygon',
   [ChainId.CELO]:

src/routers/alpha-router/alpha-router.ts

@@ -609,6 +609,31 @@ export class AlphaRouter
             }
           );
           break;
+        case ChainId.ROOTSTOCK:
+          this.onChainQuoteProvider = new OnChainQuoteProvider(
+            chainId,
+            provider,
+            this.multicall2Provider,
+            {
+              retries: 2,
+              minTimeout: 100,
+              maxTimeout: 1000,
+            },
+            {
+              multicallChunk: 200,
+              gasLimitPerCall: 6_800_000,
+              quoteMinSuccessRate: 0.1,
+            },
+            {
+              gasLimitOverride: 7_800_000,
+              multicallChunk: 100,
+            },
+            {
+              gasLimitOverride: 7_800_000,
+              multicallChunk: 100,
+            }
+          );
+          break;   
         case ChainId.CELO:
         case ChainId.CELO_ALFAJORES:
           this.onChainQuoteProvider = new OnChainQuoteProvider(

src/routers/alpha-router/config.ts

@@ -8,6 +8,7 @@ export const DEFAULT_ROUTING_CONFIG_BY_CHAIN = (
   switch (chainId) {
     // Optimism
     case ChainId.OPTIMISM:
+    case ChainId.ROOTSTOCK:
     case ChainId.OPTIMISM_GOERLI:
     case ChainId.OPTIMISM_SEPOLIA:
     case ChainId.BASE:

src/routers/alpha-router/functions/get-candidate-pools.ts

@@ -10,6 +10,9 @@ import {
   USDC_ARBITRUM_SEPOLIA,
   USDC_OPTIMISM_SEPOLIA,
   USDT_OPTIMISM_SEPOLIA,
+  USDT_ROOTSTOCK,
+  USDC_ROOTSTOCK,
+  DAI_ROOTSTOCK,
   V2SubgraphPool,
   WBTC_OPTIMISM_SEPOLIA
 } from '../../../providers';
@@ -187,6 +190,12 @@ const baseTokensByChain: { [chainId in ChainId]?: Token[] } = {
   [ChainId.AVALANCHE]: [DAI_AVAX, USDC_AVAX],
   [ChainId.BASE]: [USDC_BASE],
   [ChainId.BLAST]: [WRAPPED_NATIVE_CURRENCY[ChainId.BLAST]!, USDB_BLAST],
+  [ChainId.ROOTSTOCK]: [
+    WRAPPED_NATIVE_CURRENCY[ChainId.ROOTSTOCK]!,
+    USDT_ROOTSTOCK,
+    USDC_ROOTSTOCK,
+    DAI_ROOTSTOCK,
+  ],
 };
 
 class SubcategorySelectionPools<SubgraphPool> {

src/routers/alpha-router/gas-models/gas-model.ts

@@ -43,6 +43,9 @@ import {
   USDC_OPTIMISM_GOERLI,
   USDC_OPTIMISM_SEPOLIA,
   USDC_POLYGON,
+  USDC_ROOTSTOCK,
+  USDT_ROOTSTOCK,
+  DAI_ROOTSTOCK,
   USDC_SEPOLIA,
   USDC_WORMHOLE_CELO,
   USDT_ARBITRUM,
@@ -115,6 +118,11 @@ export const usdGasTokensByChain: { [chainId in ChainId]?: Token[] } = {
   ],
   [ChainId.BASE]: [USDC_BASE, USDC_NATIVE_BASE],
   [ChainId.BLAST]: [USDB_BLAST],
+  [ChainId.ROOTSTOCK]: [ 
+    USDC_ROOTSTOCK,
+    USDT_ROOTSTOCK,
+    DAI_ROOTSTOCK,
+  ],
 };
 
 export type L1ToL2GasCosts = {

src/routers/legacy-router/bases.ts

@@ -16,6 +16,9 @@ import {
   USDT_MAINNET,
   WBTC_MAINNET,
   WMATIC_POLYGON,
+  USDC_ROOTSTOCK,
+  USDT_ROOTSTOCK,
+  DAI_ROOTSTOCK,
   WMATIC_POLYGON_MUMBAI
 } from '../../providers/token-provider';
 import { WRAPPED_NATIVE_CURRENCY } from '../../util/chains';
@@ -74,7 +77,12 @@ export const BASES_TO_CHECK_TRADES_AGAINST = (
     [ChainId.BASE_GOERLI]: [WRAPPED_NATIVE_CURRENCY[ChainId.BASE_GOERLI]!],
     [ChainId.ZORA]: [WRAPPED_NATIVE_CURRENCY[ChainId.ZORA]!],
     [ChainId.ZORA_SEPOLIA]: [WRAPPED_NATIVE_CURRENCY[ChainId.ZORA_SEPOLIA]!],
-    [ChainId.ROOTSTOCK]: [WRAPPED_NATIVE_CURRENCY[ChainId.ROOTSTOCK]!],
+    [ChainId.ROOTSTOCK]: [
+      WRAPPED_NATIVE_CURRENCY[ChainId.ROOTSTOCK]!, 
+      USDC_ROOTSTOCK,
+      USDT_ROOTSTOCK,
+      DAI_ROOTSTOCK,
+    ],
     [ChainId.BLAST]: [WRAPPED_NATIVE_CURRENCY[ChainId.BLAST]!, USDB_BLAST],
   };
 };

src/util/addresses.ts

@@ -34,6 +34,7 @@ export const V3_CORE_FACTORY_ADDRESSES: AddressMap = {
     CHAIN_TO_ADDRESSES_MAP[ChainId.BASE_GOERLI].v3CoreFactoryAddress,
   [ChainId.BASE]: CHAIN_TO_ADDRESSES_MAP[ChainId.BASE].v3CoreFactoryAddress,
   [ChainId.BLAST]: CHAIN_TO_ADDRESSES_MAP[ChainId.BLAST].v3CoreFactoryAddress,
+  [ChainId.ROOTSTOCK]: CHAIN_TO_ADDRESSES_MAP[ChainId.ROOTSTOCK].v3CoreFactoryAddress,
   // TODO: Gnosis + Moonbeam contracts to be deployed
 };
 
@@ -57,6 +58,7 @@ export const QUOTER_V2_ADDRESSES: AddressMap = {
     CHAIN_TO_ADDRESSES_MAP[ChainId.BASE_GOERLI].quoterAddress,
   [ChainId.BASE]: CHAIN_TO_ADDRESSES_MAP[ChainId.BASE].quoterAddress,
   [ChainId.BLAST]: CHAIN_TO_ADDRESSES_MAP[ChainId.BLAST].quoterAddress,
+  [ChainId.ROOTSTOCK]: CHAIN_TO_ADDRESSES_MAP[ChainId.ROOTSTOCK].quoterAddress,
   // TODO: Gnosis + Moonbeam contracts to be deployed
 };
 
@@ -88,6 +90,7 @@ export const UNISWAP_MULTICALL_ADDRESSES: AddressMap = {
     CHAIN_TO_ADDRESSES_MAP[ChainId.BASE_GOERLI].multicallAddress,
   [ChainId.BASE]: CHAIN_TO_ADDRESSES_MAP[ChainId.BASE].multicallAddress,
   [ChainId.BLAST]: CHAIN_TO_ADDRESSES_MAP[ChainId.BLAST].multicallAddress,
+  [ChainId.ROOTSTOCK]: CHAIN_TO_ADDRESSES_MAP[ChainId.ROOTSTOCK].multicallAddress,
   // TODO: Gnosis + Moonbeam contracts to be deployed
 };
 

src/util/chains.ts

@@ -25,6 +25,7 @@ export const SUPPORTED_CHAINS: ChainId[] = [
   ChainId.AVALANCHE,
   ChainId.BASE,
   ChainId.BLAST,
+  ChainId.ROOTSTOCK,
   // Gnosis and Moonbeam don't yet have contracts deployed yet
 ];
 
@@ -102,6 +103,8 @@ export const ID_TO_CHAIN_ID = (id: number): ChainId => {
       return ChainId.BASE_GOERLI;
     case 81457:
       return ChainId.BLAST;
+    case 30:
+      return ChainId.ROOTSTOCK;  
     default:
       throw new Error(`Unknown chain id: ${id}`);
   }
@@ -128,6 +131,7 @@ export enum ChainName {
   BASE = 'base-mainnet',
   BASE_GOERLI = 'base-goerli',
   BLAST = 'blast-mainnet',
+  ROOTSTOCK = 'rootstock',
 }
 
 export enum NativeCurrencyName {
@@ -139,6 +143,7 @@ export enum NativeCurrencyName {
   MOONBEAM = 'GLMR',
   BNB = 'BNB',
   AVALANCHE = 'AVAX',
+  ROOTSTOCK = 'RBTC',
 }
 
 export const NATIVE_NAMES_BY_ID: { [chainId: number]: string[] } = {
@@ -212,6 +217,11 @@ export const NATIVE_NAMES_BY_ID: { [chainId: number]: string[] } = {
     'ETHER',
     '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',
   ],
+  [ChainId.ROOTSTOCK]: [
+    'RBTC',
+    'RBTC',
+    '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',
+  ],
 };
 
 export const NATIVE_CURRENCY: { [chainId: number]: NativeCurrencyName } = {
@@ -234,6 +244,7 @@ export const NATIVE_CURRENCY: { [chainId: number]: NativeCurrencyName } = {
   [ChainId.AVALANCHE]: NativeCurrencyName.AVALANCHE,
   [ChainId.BASE]: NativeCurrencyName.ETHER,
   [ChainId.BLAST]: NativeCurrencyName.ETHER,
+  [ChainId.ROOTSTOCK]: NativeCurrencyName.ROOTSTOCK,
 };
 
 export const ID_TO_NETWORK_NAME = (id: number): ChainName => {
@@ -278,6 +289,8 @@ export const ID_TO_NETWORK_NAME = (id: number): ChainName => {
       return ChainName.BASE_GOERLI;
     case 81457:
       return ChainName.BLAST;
+    case 30:
+      return ChainName.ROOTSTOCK;   
     default:
       throw new Error(`Unknown chain id: ${id}`);
   }
@@ -323,6 +336,8 @@ export const ID_TO_PROVIDER = (id: ChainId): string => {
       return process.env.JSON_RPC_PROVIDER_BASE!;
     case ChainId.BLAST:
       return process.env.JSON_RPC_PROVIDER_BLAST!;
+    case ChainId.ROOTSTOCK:
+      return process.env.JSON_RPC_PROVIDER_ROOTSTOCK!;      
     default:
       throw new Error(`Chain id: ${id} not supported`);
   }