Fix for BigNumber serialization

Author: dominiek

CHANGELOG.md

@@ -1,5 +1,5 @@
 
-# 0.1.7 -- Bugfixes
+# 0.1.9 -- Bugfixes
 
 - Fix for BigNumber serialization
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "eth-indexer",
-  "version": "0.1.8",
+  "version": "0.1.9",
   "description": "High performance Ethereum smart contract event indexing for fast local retrieval",
   "author": "Dominiek Ter Heide <[email protected]>",
   "license": "MIT",
@@ -27,6 +27,7 @@
     "babel-core": "^6.26.0",
     "babel-polyfill": "^6.26.0",
     "bignumber.js": "^5.0.0",
+    "bn.js": "^4.11.8",
     "elasticsearch": "^14.0.0",
     "ethjs": "^0.3.3",
     "ethjs-abi": "^0.2.1",
@@ -42,16 +43,16 @@
     "winston": "3.0.0-rc0"
   },
   "devDependencies": {
-    "npmpub": "^3.1.0",
-    "cross-env": "^5.1.3",
     "babel-cli": "^6.26.0",
     "babel-jest": "^21.2.0",
     "babel-preset-env": "^1.6.1",
+    "cross-env": "^5.1.3",
     "eslint": "^4.11.0",
     "eslint-config-airbnb-base": "^12.1.0",
     "eslint-plugin-import": "^2.8.0",
     "eslint-plugin-jest": "^21.3.2",
     "jest": "^21.2.1",
+    "npmpub": "^3.1.0",
     "supertest": "^3.0.0"
   }
 }

src/utils.js

@@ -1,10 +1,15 @@
 
 import BigNumber from 'bignumber.js';
 
+const isBigNumber = value =>
+  (value && value.isBigNumber === true) ||
+  (value && value instanceof BigNumber) ||
+  (value && value.lte && value.toNumber);
+
 export const serialize = (event) => {
   const doc = Object.assign({}, event);
   for (const key in event.args) {
-    if (event.args[key] && event.args[key].isBigNumber) {
+    if (isBigNumber(event.args[key])) {
       doc.args[key] = {
         type: 'BigNumber',
         value: event.args[key].toString(),

yarn.lock

@@ -782,6 +782,10 @@ [email protected]:
   version "4.11.6"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
 
+bn.js@^4.11.8:
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
+
 [email protected]:
   version "2.10.1"
   resolved "https://registry.yarnpkg.com/boom/-/boom-2.10.1.tgz#39c8918ceff5799f83f9492a848f625add0c766f"