remove config, include bridge fee calculation, input and output token…

… prices

Signed-off-by: david <david@umaproject.org>

packages/error-handling/src/utils/assert.ts

@@ -13,7 +13,7 @@ export function assert(
   message: string,
 ): asserts value is NonNullable<unknown> {
   try {
-    return assertModule.ok(value !== null && value !== undefined, message);
+    return assertModule.ok(value, message);
   } catch (e: unknown) {
     throw new AssertError(message);
   }

packages/indexer/README.md

@@ -51,8 +51,4 @@ ENABLE_HUBPOOL_INDEXER=true
 ENABLE_BUNDLE_EVENTS_PROCESSOR=true
 ENABLE_BUNDLE_INCLUDED_EVENTS_SERVICE=true
 ENABLE_BUNDLE_BUILDER=true
-
-# use symbols defined in /home/dev/src/risklabs/indexer/packages/indexer/src/utils/coingeckoClient.ts
-# separate them by comma, no spaces
-COINGECKO_SYMBOLS=ethereum,optimism,across-protocol
 ```

packages/indexer/src/messaging/priceWorker.ts

@@ -3,13 +3,15 @@ import winston from "winston";
 import { Job, Worker } from "bullmq";
 import { DataSource, entities } from "@repo/indexer-database";
 import { IndexerQueues } from "./service";
+import { ethers } from "ethers";
 import {
   getIntegratorId,
   yesterday,
   CoingeckoClient,
   findTokenByAddress,
 } from "../utils";
 import { RetryProvidersFactory } from "../web3/RetryProvidersFactory";
+import { assert } from "@repo/error-handling";
 
 export type PriceMessage = {
   depositId: number;
@@ -38,6 +40,47 @@ export class PriceWorker {
     this.coingeckoClient = new CoingeckoClient();
     this.setWorker();
   }
+  private async getPrice(
+    address: string,
+    chainId: number,
+    time: Date,
+    quoteCurrency = "usd",
+  ): Promise<number> {
+    const historicPriceRepository = this.postgres.getRepository(
+      entities.HistoricPrice,
+    );
+    const priceTime = yesterday(time);
+    const tokenInfo = findTokenByAddress(address, chainId);
+    const baseCurrency = tokenInfo.coingeckoId;
+
+    const cachedPrice = await historicPriceRepository.findOne({
+      where: {
+        date: priceTime,
+        baseCurrency,
+        quoteCurrency,
+      },
+    });
+    // we have this price at this time in the db
+    if (cachedPrice) return Number(cachedPrice.price);
+
+    const fetchedPrice = await this.coingeckoClient.getHistoricDailyPrice(
+      priceTime.getTime(),
+      baseCurrency,
+    );
+    const price = fetchedPrice.market_data?.current_price[quoteCurrency];
+    assert(
+      price,
+      `Unable to fetch price for ${quoteCurrency} in ${baseCurrency} at ${priceTime}`,
+    );
+    await historicPriceRepository.insert({
+      date: priceTime,
+      baseCurrency,
+      quoteCurrency,
+      price: price.toString(),
+    });
+
+    return Number(price);
+  }
 
   public setWorker() {
     this.worker = new Worker(
@@ -57,6 +100,31 @@ export class PriceWorker {
       { connection: this.redis, concurrency: 10 },
     );
   }
+  // price is assumed to be a float, amount is assumed in wei and decimals is the conversion for that amount
+  // this outputs the difference between input and output normalized to the price which is typically usd
+  private calculateBridgeFee(
+    inputToken: { amount: string; price: number; decimals: number },
+    outputToken: { amount: string; price: number; decimals: number },
+  ): bigint {
+    const inputAmountBigInt = BigInt(inputToken.amount);
+    const outputAmountBigInt = BigInt(outputToken.amount);
+
+    const inputPriceBigInt = BigInt(
+      Math.round(inputToken.price * Math.pow(10, inputToken.decimals)),
+    );
+    const outputPriceBigInt = BigInt(
+      Math.round(outputToken.price * Math.pow(10, outputToken.decimals)),
+    );
+
+    const normalizedInputAmount =
+      (inputAmountBigInt * inputPriceBigInt) /
+      BigInt(Math.pow(10, inputToken.decimals));
+    const normalizedOutputAmount =
+      (outputAmountBigInt * outputPriceBigInt) /
+      BigInt(Math.pow(10, outputToken.decimals));
+
+    return normalizedInputAmount - normalizedOutputAmount;
+  }
   private async run(params: PriceMessage) {
     const { depositId, originChainId } = params;
     const relayHashInfoRepository = this.postgres.getRepository(
@@ -87,87 +155,49 @@ export class PriceWorker {
 
     const blockTime = relayHashInfo?.depositEvent?.blockTimestamp;
     if (!blockTime) {
+      const errorMessage = "Deposit block time not found for relay hash info";
       this.logger.error({
         at: "PriceWorker",
-        message: "Deposit block time not found for relay hash info",
+        message: errorMessage,
         ...params,
       });
-      return;
+      throw new Error(errorMessage);
     }
-    const priceTime = yesterday(blockTime);
-    const quoteCurrency = "usd";
-    const baseTokenInfo = findTokenByAddress(
-      relayHashInfo.fillEvent.outputToken,
-      relayHashInfo.destinationChainId,
+    const inputTokenAddress = relayHashInfo.fillEvent.inputToken;
+    const outputTokenAddress = relayHashInfo.fillEvent.outputToken;
+    const destinationChainId = relayHashInfo.destinationChainId;
+    const inputTokenInfo = findTokenByAddress(inputTokenAddress, originChainId);
+    const outputTokenInfo = findTokenByAddress(
+      outputTokenAddress,
+      destinationChainId,
     );
-    const baseCurrency = baseTokenInfo?.coingeckoId;
-    let price: undefined | number;
 
-    if (!baseCurrency) {
-      this.logger.error({
-        at: "PriceWorker",
-        message: "Unable to find base currency to quote",
-        ...params,
-        outputToken: relayHashInfo.fillEvent.outputToken,
-        destinationChainId: relayHashInfo.destinationChainId,
-      });
-      return;
-    }
-    const existingPrice = await historicPriceRepository.findOne({
-      where: {
-        date: priceTime,
-        baseCurrency,
-        quoteCurrency,
-      },
-    });
-    // fetch price if one hasnt been saved
-    if (!existingPrice) {
-      try {
-        const historicPriceData =
-          await this.coingeckoClient.getHistoricDailyPrice(
-            priceTime.getTime(),
-            baseCurrency,
-          );
-        price = historicPriceData.market_data?.current_price[quoteCurrency];
-        // wasnt able to get a price
-        if (price === undefined) {
-          this.logger.error(
-            `Unable to find ${quoteCurrency} for ${baseCurrency} at time ${priceTime}`,
-          );
-          return;
-        }
-        await historicPriceRepository.insert({
-          date: priceTime,
-          baseCurrency,
-          quoteCurrency,
-          price: price.toString(),
-        });
-        this.logger.info({
-          at: "PriceWorker",
-          ...params,
-          message: `Fetched and inserted historic price for ${baseCurrency} on ${priceTime}`,
-        });
-      } catch (error) {
-        this.logger.error({
-          at: "PriceWorker",
-          ...params,
-          message: `Failed to fetch or insert historic price for ${baseCurrency} on ${priceTime}`,
-          error: (error as Error).message,
-        });
-      }
-    } else {
-      price = Number(existingPrice.price);
-    }
+    const inputTokenPrice = await this.getPrice(
+      inputTokenAddress,
+      originChainId,
+      blockTime,
+    );
+    const outputTokenPrice = await this.getPrice(
+      outputTokenAddress,
+      destinationChainId,
+      blockTime,
+    );
 
-    if (price === undefined) {
-      this.logger.error({
-        at: "PriceWorker",
-        ...params,
-        message: "Failed to get a valid price from cache or coingecko",
-      });
-      return;
-    }
-    // TODO: Compute bridge fee
+    const inputToken = {
+      amount: relayHashInfo.fillEvent.inputAmount,
+      price: inputTokenPrice,
+      decimals: inputTokenInfo.decimals,
+    };
+
+    const outputToken = {
+      amount: relayHashInfo.fillEvent.outputAmount,
+      price: outputTokenPrice,
+      decimals: outputTokenInfo.decimals,
+    };
+
+    const bridgeFee = this.calculateBridgeFee(inputToken, outputToken);
+    relayHashInfo.bridgeFeeUsd = bridgeFee.toString();
+    await relayHashInfoRepository.save(relayHashInfo);
   }
   public async close() {
     return this.worker.close();

packages/indexer/src/parseEnv.ts

@@ -7,7 +7,6 @@ import {
   WebhookTypes,
   parseWebhookClientsFromString,
 } from "@repo/webhooks";
-import { CoingeckoSymbol } from "./utils/coingeckoClient";
 
 export type Config = {
   redisConfig: RedisConfig;
@@ -19,7 +18,6 @@ export type Config = {
   enableBundleIncludedEventsService: boolean;
   enableBundleBuilder: boolean;
   webhookConfig: WebhooksConfig;
-  coingeckoSymbols: CoingeckoSymbol[];
 };
 export type RedisConfig = {
   host: string;
@@ -196,9 +194,6 @@ export function envToConfig(env: Env): Config {
     enabledWebhookRequestWorkers: true,
     clients: parseWebhookClientsFromString(env.WEBHOOK_CLIENTS ?? "[]"),
   };
-  const coingeckoSymbols = parseArray(env.COINGECKO_SYMBOLS).map((symbol) =>
-    CoingeckoSymbol.create(symbol),
-  );
   return {
     redisConfig,
     postgresConfig,
@@ -209,6 +204,5 @@ export function envToConfig(env: Env): Config {
     enableBundleIncludedEventsService,
     enableBundleBuilder,
     webhookConfig,
-    coingeckoSymbols,
   };
 }

packages/indexer/src/utils/coingeckoClient.ts

@@ -1,33 +1,6 @@
 import * as s from "superstruct";
 import { DateTime } from "luxon";
 
-// tken from scraper and adapted from https://github.com/across-protocol/constants/blob/master/src/tokens.ts
-export const CoingeckoSymbol = s.enums([
-  "across-protocol",
-  "aleph-zero",
-  "arbitrum",
-  "badger-dao",
-  "balancer",
-  "boba-network",
-  "bridged-usd-coin-base",
-  "dai",
-  "ethereum",
-  "gho",
-  "havven",
-  "lisk",
-  "matic-network",
-  "optimism",
-  "pooltogether",
-  "tether",
-  "uma",
-  "usd-coin",
-  "usd-coin-ethereum-bridged",
-  "usdb",
-  "weth",
-  "wmatic",
-  "wrapped-bitcoin",
-]);
-export type CoingeckoSymbol = s.Infer<typeof CoingeckoSymbol>;
 export const CGHistoricPriceBase = s.object({
   id: s.string(),
   symbol: s.string(),
@@ -38,8 +11,6 @@ export const CGHistoricPriceBase = s.object({
     }),
   ),
 });
-export const isCoingeckoSymbol = (symbol: string) =>
-  s.is(symbol, CoingeckoSymbol);
 
 export type CGHistoricPriceBase = s.Infer<typeof CGHistoricPriceBase>;
 
@@ -57,7 +28,7 @@ export class CoingeckoClient {
   // rounds timestamp to the current day
   public async getHistoricDailyPrice(
     timestamp: number,
-    symbol: CoingeckoSymbol,
+    symbol: string,
   ): Promise<CGHistoricPriceBase> {
     const cgFormattedDate =
       DateTime.fromMillis(timestamp).toFormat("dd-LL-yyyy");

packages/indexer/src/utils/currencyUtils.ts

@@ -1,5 +1,4 @@
 import * as constants from "@across-protocol/constants";
-import { isCoingeckoSymbol, CoingeckoSymbol } from "./coingeckoClient";
 
 export type TokenInfo = {
   name: string;
@@ -14,7 +13,7 @@ export type Token = {
   decimals: number;
   address: string;
   chainId: number;
-  coingeckoId: CoingeckoSymbol;
+  coingeckoId: string;
 };
 // mapping the token constants to something easier to search
 export const tokenSymbolsMap = [
@@ -23,7 +22,6 @@ export const tokenSymbolsMap = [
 // map to just a flat list
 export const tokensList = tokenSymbolsMap.reduce((result, token) => {
   Object.entries(token.addresses).forEach(([chainId, address]) => {
-    if (!isCoingeckoSymbol(token.coingeckoId)) return result;
     result.push({
       name: token.name,
       symbol: token.symbol,
@@ -37,13 +35,16 @@ export const tokensList = tokenSymbolsMap.reduce((result, token) => {
 }, [] as Token[]);
 
 // given an address and chain id, return the token data
-export function findTokenByAddress(
-  address: string,
-  chainId: number,
-): Token | undefined {
-  return tokensList.find(
+export function findTokenByAddress(address: string, chainId: number): Token {
+  const result = tokensList.find(
     (token) =>
       token.address.toLowerCase() === address.toLowerCase() &&
       token.chainId === chainId,
   );
+  if (!result) {
+    throw new Error(
+      `Token info not found for address: ${address} on chainId: ${chainId}`,
+    );
+  }
+  return result;
 }