From 39a975e8a8fe16f9d9f56f53f5e3244f2ebc4521 Mon Sep 17 00:00:00 2001
From: Victor Baranov <baranov.viktor.27@gmail.com>
Date: Mon, 18 Jan 2021 01:38:17 +0300
Subject: [PATCH] Correct UNI token CoinGecko ID

---
 CHANGELOG.md                                  |  1 +
 .../exchange_rates/source/coin_gecko.ex       | 51 ++++++++++++-------
 2 files changed, 33 insertions(+), 19 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71f16fe162..cab29720da 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 ### Fixes
 
 ### Chore
+- [#3574](https://github.com/poanetwork/blockscout/pull/3574) - Correct UNI token price
 - [#3567](https://github.com/poanetwork/blockscout/pull/3567) - Force to show filter at the page where filtered items list is empty
 - [#3565](https://github.com/poanetwork/blockscout/pull/3565) - Staking dapp: unhealthy state alert message
 
diff --git a/apps/explorer/lib/explorer/exchange_rates/source/coin_gecko.ex b/apps/explorer/lib/explorer/exchange_rates/source/coin_gecko.ex
index 13aa427497..a178ab5883 100644
--- a/apps/explorer/lib/explorer/exchange_rates/source/coin_gecko.ex
+++ b/apps/explorer/lib/explorer/exchange_rates/source/coin_gecko.ex
@@ -124,29 +124,35 @@ defmodule Explorer.ExchangeRates.Source.CoinGecko do
   end
 
   def coin_id(symbol) do
-    url = "#{base_url()}/coins/list"
+    id_mapping = bridged_token_symbol_to_id_mapping_to_get_price(symbol)
 
-    symbol_downcase = String.downcase(symbol)
-
-    case Source.http_request(url) do
-      {:ok, data} = resp ->
-        if is_list(data) do
-          symbol_data =
-            Enum.find(data, fn item ->
-              item["symbol"] == symbol_downcase
-            end)
-
-          if symbol_data do
-            {:ok, symbol_data["id"]}
+    if id_mapping do
+      {:ok, id_mapping}
+    else
+      url = "#{base_url()}/coins/list"
+
+      symbol_downcase = String.downcase(symbol)
+
+      case Source.http_request(url) do
+        {:ok, data} = resp ->
+          if is_list(data) do
+            symbol_data =
+              Enum.find(data, fn item ->
+                item["symbol"] == symbol_downcase
+              end)
+
+            if symbol_data do
+              {:ok, symbol_data["id"]}
+            else
+              {:error, :not_found}
+            end
           else
-            {:error, :not_found}
+            resp
           end
-        else
-          resp
-        end
 
-      resp ->
-        resp
+        resp ->
+          resp
+      end
     end
   end
 
@@ -172,4 +178,11 @@ defmodule Explorer.ExchangeRates.Source.CoinGecko do
   defp config(key) do
     Application.get_env(:explorer, __MODULE__, [])[key]
   end
+
+  defp bridged_token_symbol_to_id_mapping_to_get_price(symbol) do
+    case symbol do
+      "UNI" -> "uniswap"
+      _symbol -> nil
+    end
+  end
 end