Specified node versions in package.json's

src/test-services/binanceBalance/package.json

@@ -3,5 +3,8 @@
   "version": "0.0.1",
   "dependencies": {
     "axios": "0.19.0"
+  },
+  "engines": {
+    "node": ">=10.6.0"
   }
 }

src/test-services/binanceSend/package.json

@@ -3,5 +3,8 @@
   "version": "0.0.1",
   "dependencies": {
     "@binance-chain/javascript-sdk": "2.14.4"
+  },
+  "engines": {
+    "node": ">=10.6.0"
   }
 }

src/test-services/ethereumBalance/package.json

@@ -4,5 +4,8 @@
   "dependencies": {
     "ethers": "4.0.39",
     "bignumber.js": "9.0.0"
+  },
+  "engines": {
+    "node": ">=10.6.0"
   }
 }

src/test-services/ethereumSend/package.json

@@ -3,5 +3,8 @@
   "version": "0.0.1",
   "dependencies": {
     "ethers": "4.0.39"
+  },
+  "engines": {
+    "node": ">=10.6.0"
   }
 }

src/test-services/ethereumSend/testEthereumSend.js

@@ -25,7 +25,7 @@ async function main() {
   const to = process.argv[2]
 
   const amount = process.argv[3]
-  let native = process.argv[4]
+  const native = process.argv[4]
 
   if (to === 'bridge' && amount !== '0') {
     console.log(`Transfer from ${sender} to ${HOME_BRIDGE_ADDRESS}, ${amount} tokens`)

src/test-services/getAddresses/package.json

@@ -4,5 +4,8 @@
   "dependencies": {
     "ethers": "4.0.37",
     "bech32": "1.1.3"
+  },
+  "engines": {
+    "node": ">=10.6.0"
   }
 }

src/test-services/sidePrefund/package.json

@@ -3,5 +3,8 @@
   "version": "0.0.1",
   "dependencies": {
     "ethers": "4.0.39"
+  },
+  "engines": {
+    "node": ">=10.6.0"
   }
 }