update config

Author: dglowinski

.env.template

@@ -36,6 +36,8 @@ RPC_URL_60808=""
 RPC_URL_43114=""
 # tac
 RPC_URL_239=""
+# linea
+RPC_URL_59144=""
 
 # Provider API keys
 LIFI_API_KEY=""

src/common/utils/viemClients.ts

@@ -181,6 +181,7 @@ export const createClients = (): Record<number, Client<Transport, Chain>> => ({
     chain: tac,
     transport: http(RPC_URLS[tac.id]),
   }),
+  [chains.linea.id]: createChainConfig(chains.linea),
 })
 
 export const viemClients = createClients()

src/swapService/strategies/balmySDK/customSourceList.ts

@@ -8,6 +8,7 @@ import type {
   SourceListQuoteResponse,
 } from "@balmy/sdk"
 import { LocalSourceList } from "@balmy/sdk/dist/services/quotes/source-lists/local-source-list"
+import { CustomZRXQuoteSource } from "./sources/0xMatchaQuoteSource"
 import { CustomEnsoQuoteSource } from "./sources/ensoQuoteSource"
 import { CustomKyberswapQuoteSource } from "./sources/kyberswapQuoteSource"
 import { CustomLiFiQuoteSource } from "./sources/lifiQuoteSource"
@@ -42,6 +43,7 @@ const customSources = {
   enso: new CustomEnsoQuoteSource(),
   "okx-dex": new CustomOKXDexQuoteSource(),
   paraswap: new CustomParaswapQuoteSource(),
+  "0x": new CustomZRXQuoteSource(),
   oku_bob_icecreamswap: new CustomOkuQuoteSource(
     "icecreamswap",
     "IceCreamSwap",

src/swapService/strategies/balmySDK/sources/0xMatchaQuoteSource.ts

@@ -0,0 +1,134 @@
+import { Addresses, Chains } from "@balmy/sdk"
+import type {
+  BuildTxParams,
+  IQuoteSource,
+  QuoteParams,
+  QuoteSourceMetadata,
+  SourceQuoteResponse,
+  SourceQuoteTransaction,
+} from "@balmy/sdk/dist/services/quotes/quote-sources/types"
+import {
+  calculateAllowanceTarget,
+  failed,
+} from "@balmy/sdk/dist/services/quotes/quote-sources/utils"
+import qs from "qs"
+
+// Supported Networks: https://0x.org/docs/0x-swap-api/introduction#supported-networks
+const SUPPORTED_CHAINS = [
+  Chains.ETHEREUM,
+  Chains.ARBITRUM,
+  Chains.AVALANCHE,
+  Chains.BASE,
+  Chains.BLAST,
+  Chains.BNB_CHAIN,
+  Chains.LINEA,
+  Chains.MANTLE,
+  Chains.MODE,
+  Chains.OPTIMISM,
+  Chains.POLYGON,
+  Chains.SCROLL,
+  { chainId: 59144 }, // linea
+]
+
+const ZRX_METADATA: QuoteSourceMetadata<ZRXSupport> = {
+  name: "0x/Matcha",
+  supports: {
+    chains: SUPPORTED_CHAINS.map((chain) => chain.chainId),
+    swapAndTransfer: false,
+    buyOrders: false,
+  },
+  logoURI: "ipfs://QmPQY4siKEJHZGW5F4JDBrUXCBFqfpnKzPA2xDmboeuZzL",
+}
+type ZRXConfig = { apiKey: string }
+type ZRXSupport = { buyOrders: false; swapAndTransfer: false }
+type ZRXData = { tx: SourceQuoteTransaction }
+export class CustomZRXQuoteSource
+  implements IQuoteSource<ZRXSupport, ZRXConfig, ZRXData>
+{
+  getMetadata() {
+    return ZRX_METADATA
+  }
+
+  async quote({
+    components: { fetchService },
+    request: {
+      chainId,
+      sellToken,
+      buyToken,
+      order,
+      config: { slippagePercentage, timeout },
+      accounts: { takeFrom },
+    },
+    config,
+  }: QuoteParams<ZRXSupport, ZRXConfig>): Promise<
+    SourceQuoteResponse<ZRXData>
+  > {
+    const queryParams = {
+      chainId,
+      sellToken,
+      buyToken,
+      taker: takeFrom,
+      slippageBps: slippagePercentage * 100,
+      affiliateAddress: config.referrer?.address,
+      sellAmount: order.sellAmount.toString(),
+    }
+    const queryString = qs.stringify(queryParams, {
+      skipNulls: true,
+      arrayFormat: "comma",
+    })
+    const url = `https://api.0x.org/swap/allowance-holder/quote?${queryString}`
+
+    const headers: HeadersInit = {
+      "0x-api-key": config.apiKey,
+      "0x-version": "v2",
+    }
+
+    const response = await fetchService.fetch(url, { timeout, headers })
+    if (!response.ok) {
+      failed(ZRX_METADATA, chainId, sellToken, buyToken, await response.text())
+    }
+    const {
+      transaction: { data, gas, to, value },
+      buyAmount,
+      minBuyAmount,
+      issues,
+    } = await response.json()
+
+    const allowanceTarget = issues?.allowance?.spender ?? Addresses.ZERO_ADDRESS
+
+    return {
+      sellAmount: order.sellAmount,
+      maxSellAmount: order.sellAmount,
+      buyAmount: BigInt(buyAmount),
+      minBuyAmount: BigInt(minBuyAmount),
+      estimatedGas: BigInt(gas ?? 0),
+      allowanceTarget: calculateAllowanceTarget(sellToken, allowanceTarget),
+      customData: {
+        tx: {
+          calldata: data,
+          to,
+          value: BigInt(value ?? 0),
+        },
+      },
+      type: order.type,
+    }
+  }
+
+  async buildTx({
+    request,
+  }: BuildTxParams<ZRXConfig, ZRXData>): Promise<SourceQuoteTransaction> {
+    return request.customData.tx
+  }
+
+  isConfigAndContextValidForQuoting(
+    config: Partial<ZRXConfig> | undefined,
+  ): config is ZRXConfig {
+    return !!config?.apiKey
+  }
+
+  isConfigAndContextValidForTxBuilding(
+    config: Partial<ZRXConfig> | undefined,
+  ): config is ZRXConfig {
+    return true
+  }
+}

src/swapService/strategies/balmySDK/sources/kyberswapQuoteSource.ts

@@ -43,6 +43,7 @@ const SUPPORTED_CHAINS: Record<ChainId, string> = {
   [Chains.SONIC.chainId]: "sonic",
   [Chains.ZK_SYNC_ERA.chainId]: "zksync",
   [130]: "unichain",
+  [59144]: "linea",
 }
 
 const KYBERSWAP_METADATA: QuoteSourceMetadata<KyberswapSupport> = {

src/swapService/strategies/balmySDK/sources/odosQuoteSource.ts

@@ -40,6 +40,7 @@ const ODOS_METADATA: QuoteSourceMetadata<OdosSupport> = {
       Chains.SCROLL.chainId,
       Chains.SONIC.chainId,
       239, // tac
+      59144, // linea
     ],
     swapAndTransfer: true,
     buyOrders: false,