feat: add linea chain support

src/evmUtils/evmClients.ts

@@ -6,6 +6,7 @@ import {
   bsc,
   bscTestnet,
   coreDao,
+  linea,
   mainnet,
   manta,
   merlin,
@@ -137,6 +138,12 @@ export const defaultEvmClients: Record<EVMChain, Client> = {
     batch: { multicall: true },
   }),
 
+  [EVMChain.Linea]: createClient({
+    chain: linea,
+    transport: http(),
+    batch: { multicall: true },
+  }),
+
   [EVMChain.BeraTestnet]: createClient({
     chain: berachainTestnet,
     transport: http(),

src/evmUtils/evmContractAddresses.ts

@@ -94,6 +94,12 @@ export const evmContractAddresses: Record<EVMChain, EVMOnChainAddresses> = {
     [EVMEndpointContract.BridgeConfig]:
       "0xf99f62475F50BE59393dbdc148E6627E4E88Fc24",
   },
+  [EVMChain.Linea]: {
+    // https://t.me/c/1599543687/61611
+    // https://t.me/c/1599543687/61734
+    [EVMEndpointContract.BridgeConfig]:
+      "0xf99f62475F50BE59393dbdc148E6627E4E88Fc24",
+  },
 
   // testnet
   [EVMChain.Sepolia]: {

src/evmUtils/peggingHelpers.ts

@@ -274,6 +274,7 @@ export async function fromCorrespondingStacksCurrency(
       case EVMChain.BisonTestnet:
       case EVMChain.BitboyTestnet:
       case EVMChain.Manta:
+      case EVMChain.Linea:
       case EVMChain.BeraTestnet:
         return EVMToken.sUSDT
       default:
@@ -317,6 +318,7 @@ export async function fromCorrespondingStacksCurrency(
       case EVMChain.BisonTestnet:
       case EVMChain.BitboyTestnet:
       case EVMChain.Manta:
+      case EVMChain.Linea:
       case EVMChain.BeraTestnet:
         return EVMToken.aBTC
       default:
@@ -350,6 +352,7 @@ export async function fromCorrespondingStacksCurrency(
       case EVMChain.BitboyTestnet:
       case EVMChain.Manta:
       case EVMChain.BeraTestnet:
+      case EVMChain.Linea:
         return EVMToken.wuBTC
       default:
         checkNever(toChain)

src/stacksUtils/crossContractDataMapping.ts

@@ -50,6 +50,8 @@ export function contractAssignedChainIdFromKnownChain(
       return 13n
     case KnownChainId.EVM.Manta:
       return 14n
+    case KnownChainId.EVM.Linea:
+      return 15n
     default:
       checkNever(chain)
       throw new UnsupportedChainError(chain)
@@ -144,6 +146,11 @@ export function contractAssignedChainIdToKnownChain(
   }
   assertExclude(resPossibilities, KnownChainId.EVM.Manta)
 
+  if (chainId === 15n) {
+    return [KnownChainId.EVM.Linea]
+  }
+  assertExclude(resPossibilities, KnownChainId.EVM.Linea)
+
   checkNever(resPossibilities)
   throw new UnsupportedContractAssignedChainIdError(chainId)
 }

src/utils/types/knownIds.ts

@@ -203,6 +203,12 @@ export namespace KnownChainId {
     /** Represents the Manta testnet chain ID. */
     // export const MantaTestnet = chainId("evm-manta-testnet")
 
+    // Linea
+    /** Represents the Linea mainnet chain ID. */
+    export const Linea = chainId("evm-linea")
+    /** Represents the Linea testnet chain ID. */
+    // export const LineaTestnet = chainId("evm-linea-testnet")
+
     // Bera
     /** Represents the Bera mainnet chain ID. */
     // export const Bera = chainId("evm-bera")
@@ -259,6 +265,7 @@ export const _allKnownEVMMainnetChains = [
   KnownChainId.EVM.Arbitrum,
   KnownChainId.EVM.Aurora,
   KnownChainId.EVM.Manta,
+  KnownChainId.EVM.Linea,
 ] as const
 export const _allKnownEVMTestnetChains = [
   KnownChainId.EVM.Sepolia,