eth-lib - npm Package Compare versions

Comparing version 0.1.2 to 0.1.3

package.json

 {
   "name": "eth-lib",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "Lightweight Ethereum libraries",
@@ -5,0 +5,0 @@ "main": "src/index.js",

src/api.js

@@ -50,4 +50,4 @@ const Api = provider => {
 
-  // Address, Address, AbiDefinition -> Contract
-  const contract = (from, address, abiDefinition) => {
+  // Address, Address, ContractInterface -> Contract
+  const contract = (from, address, interface) => {
     let contract = {};
@@ -57,3 +57,3 @@ contract._address = address;
     contract.broadcast = {};
-    abiDefinition.forEach(method => {
+    interface.forEach(method => {
       if (method && method.name) {
@@ -92,6 +92,6 @@ const call = (waitReceipt, value) => (...params) => {
 
-  // Address, Bytecode, AbiDefinition
-  const deployBytecodeContract = (from, code, abiDefinition) =>
+  // Address, Bytecode, ContractInterface
+  const deployBytecodeContract = (from, code, interface) =>
     deployBytecode(from, code)
-      .then(receipt => contract(from, receipt.contractAddress, abiDefinition));
+      .then(receipt => contract(from, receipt.contractAddress, interface));
       
@@ -98,0 +98,0 @@ // Address, String, Address -> Contract

src/provider.js

 const njsp = require("nano-json-stream-parser");
 
-const EthereumProvider = url => {
+const EthereumProvider = (url, intercept) => {
   let api = {};
@@ -8,3 +8,18 @@ let onResponse = {};
   let nextId = 0;
+  let send;
 
+  const makeSender = send => {
+    const P = fn => (...args) => new Promise((resolve, reject) =>
+      fn(...args.concat((err,res) => err ? reject(err) : resolve(res))));
+    const sender = intercept => (method, params, callback) => {
+      const intercepted = intercept(method, params, P(sender(() => {})));
+      if (intercepted) {
+        intercepted.then(response => callback(null, response));
+      } else {
+        send(method, params, callback);
+      }
+    }
+    return sender(intercept);
+  };
+
   const parseResponse = njsp(json => {
@@ -26,9 +41,14 @@ onResponse[json.id] && onResponse[json.id](null, json.result);
   if (/^ws/.test(url)) {
-    const WebSocket = require("w"+"s");
+    const WebSocket = require("ws");
     const ws = new WebSocket(url);
-    api.send = (method, params, callback) => {
-      const payload = genPayload(method, params);
-      onResponse[payload.id] = callback;
-      ws.send(JSON.stringify(payload));
-    }
+    api.send = makeSender((method, params, callback) => {
+      const intercepted = intercept(method, params, P(send(() => {})));
+      if (intercepted) {
+        intercepted.then(response => callback(null, response));
+      } else {
+        const payload = genPayload(method, params);
+        onResponse[payload.id] = callback;
+        ws.send(JSON.stringify(payload));
+      }
+    });
     ws.on("message", parseResponse);
@@ -40,4 +60,3 @@ ws.on("open", () => callbacks.connect && callbacks.connect(eth));
     const rw = require("reqwest");
-
-    api.send = (method, params, callback) => {
+    api.send = makeSender((method, params, callback) => {
       rw({
@@ -56,3 +75,3 @@ url: url,
         .catch(err => callback("Couldn't connect to Ethereum node."));
-    }
+    });
 
@@ -59,0 +78,0 @@ setTimeout(() => {

Fixed alerts

Dynamic require

Supply chain risk

Dynamic require can indicate the package is performing dangerous or unsafe dynamic code execution.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

48539

increased by1.53%

Lines of code

1166

increased by1.66%

Number of low supply chain risk alerts

2

decreased by-33.33%

No dependency changes