Rollup-411: usdrif pay fees (#102)

* feat: add support for USDRIF

* refactor: extracted common TokenPrice definition

core/bin/zksync_api/src/fee_ticker/ticker_info.rs

@@ -20,6 +20,8 @@ use zksync_types::{Address, Token, TokenId, TokenLike, TokenPrice};
 // Local deps
 use crate::fee_ticker::PriceError;
 
+const TICKET_INFO_GET_LAST_TOKEN_PRICE: &str = "ticker_info.get_last_token_price";
+
 pub trait FeeTickerClone {
     fn clone_box(&self) -> Box<dyn FeeTickerInfo>;
 }
@@ -192,13 +194,15 @@ impl FeeTickerInfo for TickerInfo {
             }
         };
 
-        // TODO: remove hardcode for RDOC token
-        if token.symbol == "RDOC" {
-            metrics::histogram!("ticker_info.get_last_token_price", start.elapsed(), "type" => "RDOC");
-            return Ok(TokenPrice {
-                usd_price: Ratio::from_integer(1u32.into()),
-                last_updated: Utc::now(),
-            });
+        let price_1_usd = TokenPrice {
+            usd_price: Ratio::from_integer(1u32.into()),
+            last_updated: Utc::now(),
+        };
+
+        // TODO: remove hardcode for tokens
+        if ["RDOC", "USDRIF"].contains(&token.symbol.as_str()) {
+            metrics::histogram!(TICKET_INFO_GET_LAST_TOKEN_PRICE, start.elapsed(), "type" => token.symbol);
+            return Ok(price_1_usd);
         }
 
         let historical_price = self
@@ -210,7 +214,7 @@ impl FeeTickerInfo for TickerInfo {
             return Ok(historical_price);
         }
 
-        metrics::histogram!("ticker_info.get_last_token_price", start.elapsed(), "type" => "error");
+        metrics::histogram!(TICKET_INFO_GET_LAST_TOKEN_PRICE, start.elapsed(), "type" => "error");
         Err(PriceError::db_error("No price stored in database"))
     }
 
@@ -310,6 +314,23 @@ mod tests {
         assert_eq!(actual_quote.usd_price.to_u32().unwrap(), RDOC_VALUE);
     }
 
+    #[tokio::test]
+    async fn should_return_one_for_usdrif() {
+        const USDRIF_SYMBOL: &str = "USDRIF";
+        const USDRIF_VALUE: u32 = 1;
+
+        let usdrif_token_like = TokenLike::Symbol(String::from(USDRIF_SYMBOL));
+
+        let connection_pool = ConnectionPool::new(Some(1));
+        let ticker_api = TickerInfo::new(connection_pool);
+
+        let actual_quote = FeeTickerInfo::get_last_token_price(&ticker_api, usdrif_token_like)
+            .await
+            .unwrap();
+
+        assert_eq!(actual_quote.usd_price.to_u32().unwrap(), USDRIF_VALUE);
+    }
+
     #[tokio::test]
     async fn should_return_value_from_cache() {
         const TEST_TOKEN_SYMBOL: &str = "TEST";

infrastructure/zk/src/run/run.ts

@@ -30,6 +30,7 @@ export async function deployERC20(command: 'dev' | 'new', name?: string, symbol?
         await utils.spawn(`yarn --silent --cwd contracts deploy-erc20 add-multi '[
             { "name": "wBTC", "symbol": "wBTC", "decimals":  8, "implementation": "RevertTransferERC20" },
             { "name": "RDOC", "symbol": "RDOC", "decimals": 18 },
+            { "name": "USDRIF", "symbol": "USDRIF", "decimals": 18 },
             { "name": "RSK Infrastructure Framework", "symbol": "RIF", "decimals": 18  }
           ]' > ./etc/tokens/localhost.json`);
 
@@ -38,7 +39,9 @@ export async function deployERC20(command: 'dev' | 'new', name?: string, symbol?
         const tokens: Token[] = localhostTokensFile && JSON.parse(localhostTokensFile);
         const deployedUnconditionallyValidAddresses =
             (tokens &&
-                tokens.filter((token) => ['RDOC', 'RIF'].includes(token.symbol)).map(({ address }) => address)) ||
+                tokens
+                    .filter((token) => ['USDRIF', 'RDOC', 'RIF'].includes(token.symbol))
+                    .map(({ address }) => address)) ||
             [];
 
         const feeTickerConfigFile = fs.readFileSync('./etc/env/dev/fee_ticker.toml', 'utf-8');