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diff --git a/blockchains/tron/assets/1002683/logo.png b/blockchains/tron/assets/1002683/logo.png
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diff --git a/blockchains/tron/assets/TCRhVHPv6efvXgogNMhiunAMXFKcMmv2pF/logo.png b/blockchains/tron/assets/TCRhVHPv6efvXgogNMhiunAMXFKcMmv2pF/logo.png
index 3d9e975b1..b17da696c 100644
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diff --git a/src/test/helpers.ts b/src/test/helpers.ts
index 821827694..9bb76f774 100644
--- a/src/test/helpers.ts
+++ b/src/test/helpers.ts
@@ -1,4 +1,6 @@
 import * as fs from "fs"
+import * as path from "path"
+
 const axios = require('axios')
 const Web3 = require('web3')
 const web3 = new Web3('ws://localhost:8546');
@@ -25,7 +27,9 @@ const whiteList = 'whitelist.json'
 const blackList = 'blacklist.json'
 
 export const logo = `logo.png`
+export const root = './'
 export const chainsFolderPath = './blockchains'
+export const pricingFolderPath = './pricing'
 export const getChainLogoPath = chain => `${chainsFolderPath}/${chain}/info/${logo}`
 export const getChainAssetsPath = (chain: string): string => `${chainsFolderPath}/${chain}/assets`
 
@@ -88,4 +92,32 @@ export const calculateAspectRatioFit = (srcWidth: number, srcHeight: number, max
     const ratio = Math.min(maxWidth / srcWidth, maxHeight / srcHeight)
     return { width: Math.round(srcWidth * ratio), height: Math.round(srcHeight * ratio) }
  }
- 
\ No newline at end of file
+ 
+ export const findFiles = (base: string, ext: string, files: string[] = [], result: string[] = []) => {
+    files = fs.readdirSync(base) || files
+    result = result || result
+
+    files.forEach( 
+        function (file) {
+            var newbase = path.join(base, file)
+            if ( fs.statSync(newbase).isDirectory()) {
+                result = findFiles(newbase, ext, fs.readdirSync(newbase), result)
+            } else {
+                if ( file.substr(-1*(ext.length+1)) == '.' + ext) {
+                    result.push(newbase)
+                }
+            }
+        }
+    )
+    return result
+ }
+
+ export const isValidJSON = (path: string) => {
+    let rawdata = fs.readFileSync(path, 'utf8')
+    try {
+        JSON.parse(rawdata)
+        return true
+    } catch {
+        return false
+    }
+ }
\ No newline at end of file
diff --git a/src/test/index.test.ts b/src/test/index.test.ts
index a2d5333db..e39d3dbaf 100644
--- a/src/test/index.test.ts
+++ b/src/test/index.test.ts
@@ -3,6 +3,7 @@ const eztz = require('eztz-lib')
 import {
     Ethereum, Binance, Cosmos, Tezos, Tron, IoTeX, Waves, Classic, POA, TomoChain, GoChain, Wanchain, ThunderCore,
     chainsFolderPath,
+    pricingFolderPath,
     getChainLogoPath,
     getChainAssetsPath,
     getChainAssetLogoPath,
@@ -19,7 +20,9 @@ import {
     isLogoOK,
     getChainWhitelistPath,
     getChainBlacklistPath,
-    mapList
+    mapList,
+    findFiles,
+    isValidJSON
 } from "./helpers"
 
 enum TickerType {
@@ -326,3 +329,15 @@ describe.skip("Test blacklist and whitelist", () => {
     })
 })
 
+describe("Test all JSON files to have valid content", () => {
+
+    const files = [
+        ...findFiles(chainsFolderPath, 'json'),
+        ...findFiles(pricingFolderPath, 'json')
+    ]
+
+    files.forEach(file => { 
+        expect(isValidJSON(file), `${file} path contains invalid JSON`).toBe(true)
+    });
+})
+