fix(#patch); convex-finance; fix div by zero (#2672)

Co-authored-by: Chris Steege <[email protected]>

Author: dhruv-chauhan

subgraphs/convex-finance/protocols/convex-finance/config/deployments/convex-finance-ethereum/configurations.json

@@ -1,5 +1,5 @@
 {
   "graft": false,
-  "base": "",
-  "block": 0
+  "base": "QmTZozrLfSy3WtcbFcUFu9iruKYeBMaEdrsw1MnCZjVfLX",
+  "block": 21510541
 }

subgraphs/convex-finance/src/prices/common/utils.ts

@@ -179,3 +179,11 @@ export function averagePrice(prices: CustomPriceType[]): CustomPriceType {
     constants.DEFAULT_USDC_DECIMALS
   );
 }
+
+export function safeDiv(amount0: BigDecimal, amount1: BigDecimal): BigDecimal {
+  if (amount1.equals(constants.BIGDECIMAL_ZERO)) {
+    return constants.BIGDECIMAL_ZERO;
+  } else {
+    return amount0.div(amount1);
+  }
+}

subgraphs/convex-finance/src/prices/routers/CurveRouter.ts

@@ -210,13 +210,14 @@ export function cryptoPoolLpPriceUsdc(
   const totalSupply = utils.getTokenSupply(lpAddress);
 
   const totalValueUsdc = cryptoPoolLpTotalValueUsdc(lpAddress, block);
-  const priceUsdc = totalValueUsdc
-    .times(
+  const priceUsdc = utils.safeDiv(
+    totalValueUsdc.times(
       constants.BIGINT_TEN.pow(
         constants.DEFAULT_DECIMALS.toI32() as u8
       ).toBigDecimal()
-    )
-    .div(totalSupply.toBigDecimal());
+    ),
+    totalSupply.toBigDecimal()
+  );
 
   return CustomPriceType.initialize(
     priceUsdc,

subgraphs/convex-finance/yarn.lock

@@ -1640,6 +1640,11 @@
   "resolved" "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz"
   "version" "1.0.0"
 
+"fsevents@~2.3.2":
+  "integrity" "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA=="
+  "resolved" "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz"
+  "version" "2.3.2"
+
 "get-iterator@^1.0.2":
   "integrity" "sha512-v+dm9bNVfOYsY1OrhaCrmyOcYoSeVvbt+hHZ0Au+T+p1y+0Uyj9aMaGIeUTT6xdpRbWzDeYKvfOslPhggQMcsg=="
   "resolved" "https://registry.npmjs.org/get-iterator/-/get-iterator-1.0.2.tgz"