@compound-finance/compound-js - npm Package Compare versions

Comparing version 0.0.9 to 0.0.10

dist/nodejs/priceFeed.js

@@ -56,2 +56,4 @@ "use strict";
     var underlyingDecimals = constants_1.decimals[underlyingName];
+    // The open price feed only reveals the BTC price
+    underlyingName = underlyingName === 'WBTC' ? 'BTC' : underlyingName;
     return [assetIsCToken, cTokenName, cTokenAddress, underlyingName, underlyingAddress, underlyingDecimals];
@@ -96,3 +98,3 @@ }
     return __awaiter(this, void 0, void 0, function () {
-        var errorPrefix, _a, assetIsCToken, cTokenName, cTokenAddress, underlyingName, underlyingAddress, underlyingDecimals, _b, inAssetIsCToken, inAssetCTokenName, inAssetCTokenAddress, inAssetUnderlyingName, inAssetUnderlyingAddress, inAssetUnderlyingDecimals, priceFeedAddress, trxOptions, priceMantissa, inAssetPriceMantissa, assetUnderlyingPrice, inAssetUnderlyingPrice, assetCTokensInUnderlying, inAssetCTokensInUnderlying, result, assetInOther, assetInOther, assetInOther, cTokensInUnderlying;
+        var errorPrefix, _a, assetIsCToken, cTokenName, cTokenAddress, underlyingName, underlyingAddress, underlyingDecimals, _b, inAssetIsCToken, inAssetCTokenName, inAssetCTokenAddress, inAssetUnderlyingName, inAssetUnderlyingAddress, inAssetUnderlyingDecimals, priceFeedAddress, trxOptions, assetUnderlyingPrice, inAssetUnderlyingPrice, assetCTokensInUnderlying, inAssetCTokensInUnderlying, result, assetInOther, assetInOther, assetInOther, cTokensInUnderlying;
         return __generator(this, function (_c) {
@@ -111,26 +113,20 @@ switch (_c.label) {
                     };
-                    return [4 /*yield*/, eth.read(priceFeedAddress, 'getUnderlyingPrice', [cTokenAddress], trxOptions)];
+                    return [4 /*yield*/, eth.read(priceFeedAddress, 'price', [underlyingName], trxOptions)];
                 case 2:
-                    priceMantissa = _c.sent();
-                    inAssetPriceMantissa = 1e18;
-                    if (!(inAssetUnderlyingName !== constants_1.constants.ETH)) return [3 /*break*/, 4];
-                    return [4 /*yield*/, eth.read(priceFeedAddress, 'getUnderlyingPrice', [inAssetCTokenAddress], trxOptions)];
+                    assetUnderlyingPrice = _c.sent();
+                    return [4 /*yield*/, eth.read(priceFeedAddress, 'price', [inAssetUnderlyingName], trxOptions)];
                 case 3:
-                    inAssetPriceMantissa = _c.sent();
-                    _c.label = 4;
+                    inAssetUnderlyingPrice = _c.sent();
+                    if (!assetIsCToken) return [3 /*break*/, 5];
+                    return [4 /*yield*/, cTokenExchangeRate.bind(this)(cTokenAddress, cTokenName, underlyingDecimals)];
                 case 4:
-                    assetUnderlyingPrice = priceMantissa / (1e18 / (Math.pow(10, underlyingDecimals - 18)));
-                    inAssetUnderlyingPrice = inAssetPriceMantissa / (1e18 / (Math.pow(10, inAssetUnderlyingDecimals - 18)));
-                    if (!assetIsCToken) return [3 /*break*/, 6];
-                    return [4 /*yield*/, cTokenExchangeRate.bind(this)(cTokenAddress, cTokenName, underlyingDecimals)];
+                    assetCTokensInUnderlying = _c.sent();
+                    _c.label = 5;
                 case 5:
-                    assetCTokensInUnderlying = _c.sent();
-                    _c.label = 6;
+                    if (!inAssetIsCToken) return [3 /*break*/, 7];
+                    return [4 /*yield*/, cTokenExchangeRate.bind(this)(inAssetCTokenAddress, inAssetCTokenName, inAssetUnderlyingDecimals)];
                 case 6:
-                    if (!inAssetIsCToken) return [3 /*break*/, 8];
-                    return [4 /*yield*/, cTokenExchangeRate.bind(this)(inAssetCTokenAddress, inAssetCTokenName, inAssetUnderlyingDecimals)];
+                    inAssetCTokensInUnderlying = _c.sent();
+                    _c.label = 7;
                 case 7:
-                    inAssetCTokensInUnderlying = _c.sent();
-                    _c.label = 8;
-                case 8:
                     if (!assetIsCToken && !inAssetIsCToken) {
@@ -137,0 +133,0 @@ result = assetUnderlyingPrice / inAssetUnderlyingPrice;

package.json

 {
   "name": "@compound-finance/compound-js",
   "browser": "dist/browser/compound.min.js",
-  "version": "0.0.9",
+  "version": "0.0.10",
   "description": "A JavaScript SDK for Ethereum and the Compound Protocol.",
@@ -6,0 +6,0 @@ "main": "dist/nodejs/index.js",

src/priceFeed.ts

@@ -16,3 +16,3 @@ import { ethers } from 'ethers';
 
-  const underlyingName = assetIsCToken ? asset.slice(1, asset.length) : asset;
+  let underlyingName = assetIsCToken ? asset.slice(1, asset.length) : asset;
   const underlyingAddress = address[this._network.name][underlyingName];
@@ -26,2 +26,5 @@
 
+  // The open price feed only reveals the BTC price
+  underlyingName = underlyingName === 'WBTC' ? 'BTC' : underlyingName;
+
   return [assetIsCToken, cTokenName, cTokenAddress, underlyingName, underlyingAddress, underlyingDecimals];
@@ -74,12 +77,5 @@ }
 
-  const priceMantissa = await eth.read(priceFeedAddress, 'getUnderlyingPrice', [ cTokenAddress ], trxOptions);
+  const assetUnderlyingPrice = await eth.read(priceFeedAddress, 'price', [ underlyingName ], trxOptions);
+  const inAssetUnderlyingPrice =  await eth.read(priceFeedAddress, 'price', [ inAssetUnderlyingName ], trxOptions);
 
-  let inAssetPriceMantissa = 1e18;
-  if (inAssetUnderlyingName !== constants.ETH) {
-    inAssetPriceMantissa = await eth.read(priceFeedAddress, 'getUnderlyingPrice', [ inAssetCTokenAddress ], trxOptions);
-  }
-
-  const assetUnderlyingPrice = priceMantissa / (1e18 / (Math.pow(10, underlyingDecimals - 18)));
-  const inAssetUnderlyingPrice = inAssetPriceMantissa / (1e18 / (Math.pow(10, inAssetUnderlyingDecimals - 18)));
-
   let assetCTokensInUnderlying, inAssetCTokensInUnderlying;
@@ -86,0 +82,0 @@

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Improved metrics

Total package byte prevSize

930678

increased by1.34%

Number of package files

53

increased by6%

Lines of code

5875

increased by2.75%

No dependency changes