Beta 7 with some repo names changed.

Client/node_modules/eth-lib/test/lib/benchmark.js

@@ -0,0 +1,18 @@
+const rnd = require("./randomData.js");
+const rlp = require("./../../src/rlp.js");
+const ref = {rlp: require("rlp")};
+const cps = f => {
+  for (var t = Date.now(), i = 0; Date.now() - t < 1000; ++i)
+    f();
+  return i;
+};
+
+let dataTrees = [];
+for (let i = 0; i < 64; ++i)
+  dataTrees.push(rnd.dataTree());
+console.log("Benchmarking Eth-Lib's RLP implementation vs the one on NPM.");
+const liteCps = cps(() => dataTrees.map((dt) => rlp.decode(rlp.encode(dt))));
+const npmCps = cps(() => dataTrees.map((dt) => ref.rlp.decode(ref.rlp.encode(dt))));
+console.log("- Eth-Lib: " + liteCps + " calls per second.");
+console.log("- Reference: " + npmCps + " calls per second.");
+console.log("- Eth-Lib is: " + (liteCps / npmCps).toFixed(2) + " " + (liteCps > npmCps ? "faster" : "slower") + " than reference.");

Client/node_modules/eth-lib/test/lib/randomData.js

@@ -0,0 +1,24 @@
+// () ~> HexString
+const hexString = () => {
+  let str = "";
+  while (Math.random() < 0.95)
+    str = str + ("00" + (Math.random() * 256 | 0).toString(16)).slice(-2);
+  return "0x" + str;
+}
+
+// () ~> DataTree
+const dataTree = () => {
+  let list = [];
+  while (Math.random() < 0.8) {
+    if (Math.random() < 0.8)
+      list.push(hexString());
+    else
+      list.push(dataTree());
+  }
+  return list;
+}
+
+module.exports = {
+  hexString,
+  dataTree
+}