From 3bbd05baa27dd590cb53858ec325a6c1f57c2ab2 Mon Sep 17 00:00:00 2001
From: nick8319 <zhiltsov.nick@gmail.com>
Date: Fri, 25 Aug 2023 16:19:24 +0200
Subject: [PATCH] fix: routing for native currency on harmony

---
 src/constants/tokens.ts    | 2 +-
 src/state/routing/types.ts | 1 +
 src/state/routing/utils.ts | 3 ++-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/constants/tokens.ts b/src/constants/tokens.ts
index 6d16f312d78..30e0d4950e7 100644
--- a/src/constants/tokens.ts
+++ b/src/constants/tokens.ts
@@ -489,7 +489,7 @@ class BscNativeCurrency extends NativeCurrency {
   }
 }
 
-function isHarmony(chainId: number): chainId is ChainId.HARMONY {
+export function isHarmony(chainId: number): chainId is ChainId.HARMONY {
   return chainId === ChainId.HARMONY
 }
 
diff --git a/src/state/routing/types.ts b/src/state/routing/types.ts
index 0f5c9bc92a1..675a4363b55 100644
--- a/src/state/routing/types.ts
+++ b/src/state/routing/types.ts
@@ -276,6 +276,7 @@ export enum SwapRouterNativeAssets {
   BNB = 'BNB',
   AVAX = 'AVAX',
   ETH = 'ETH',
+  ONE = 'ONE',
 }
 
 export enum URAQuoteType {
diff --git a/src/state/routing/utils.ts b/src/state/routing/utils.ts
index 2f2664d59c2..fef629b5842 100644
--- a/src/state/routing/utils.ts
+++ b/src/state/routing/utils.ts
@@ -7,7 +7,7 @@ import { Pair, Route as V2Route } from '@uniswap/v2-sdk'
 import { FeeAmount, Pool, Route as V3Route } from '@uniswap/v3-sdk'
 import { asSupportedChain } from 'constants/chains'
 import { RPC_PROVIDERS } from 'constants/providers'
-import { isAvalanche, isBsc, isMatic, nativeOnChain } from 'constants/tokens'
+import { isAvalanche, isBsc, isMatic, isHarmony, nativeOnChain } from 'constants/tokens'
 import { toSlippagePercent } from 'utils/slippage'
 
 import { getApproveInfo, getWrapInfo } from './gas'
@@ -307,6 +307,7 @@ export function isExactInput(tradeType: TradeType): boolean {
 
 export function currencyAddressForSwapQuote(currency: Currency): string {
   if (currency.isNative) {
+    if (isHarmony(currency.chainId)) return SwapRouterNativeAssets.ONE
     if (isMatic(currency.chainId)) return SwapRouterNativeAssets.MATIC
     if (isBsc(currency.chainId)) return SwapRouterNativeAssets.BNB
     if (isAvalanche(currency.chainId)) return SwapRouterNativeAssets.AVAX