Add plotting script for cost analysis test

solidity/.gitignore

@@ -6,4 +6,5 @@ typechain-types
 ignition/deployments
 .openzeppelin
 package-lock.json
-**/*.csv
+**/*costs.csv
+**/*_plot.png

solidity/test/gas_cost/plot.ipynb

@@ -0,0 +1,89 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import matplotlib.pyplot as plt\n",
+    "import numpy as np\n",
+    "import pandas as pd\n",
+    "import os\n",
+    "\n",
+    "\n",
+    "folder_path = './'  # update with the actual folder path if using this notebook in a different place\n",
+    "prefix = '2024-09-23T05:02:36.434Z'   # update with specific file prefix that needs to be plotted\n",
+    "\n",
+    "window_size = 500   # how many transaction to measure to draw the moving average trend line\n",
+    "threshold_tx = 5000 # highlight area after how many transactions\n",
+    "\n",
+    "# find a list of CSV files in the folder with the specified prefix\n",
+    "csv_files = [f for f in os.listdir(folder_path) if f.startswith(prefix) and f.endswith('.csv')]\n",
+    "\n",
+    "figures = []\n",
+    "\n",
+    "for csv_file in csv_files:\n",
+    "    # read the gas costs from the file\n",
+    "    file_path = os.path.join(folder_path, csv_file)\n",
+    "    df = pd.read_csv(file_path)\n",
+    "    gas_costs = df['gas_costs'].tolist()\n",
+    "\n",
+    "    # generate transactions index\n",
+    "    transactions = np.arange(1, len(gas_costs) + 1)\n",
+    "    df['transactions'] = transactions\n",
+    "\n",
+    "    # calculates the moving average within the defined window\n",
+    "    df['moving_avg'] = df['gas_costs'].rolling(window=window_size).mean()\n",
+    "\n",
+    "\n",
+    "    # plot the data\n",
+    "    plt.figure(figsize=(10, 6))\n",
+    "    plt.plot(df['transactions'], df['gas_costs'], label=\"Gas Costs\", color='lightblue', marker='o')\n",
+    "    plt.plot(df['transactions'], df['moving_avg'], label=f\"{window_size}-TX Moving Average\", color='orange', linewidth=2)\n",
+    "\n",
+    "    # create highlight\n",
+    "    plt.axvline(x=threshold_tx, color='darkred', linestyle='--', label=f'{threshold_tx} transactions')\n",
+    "    plt.fill_between(df['transactions'], df['gas_costs'], where=(df['transactions'] > threshold_tx), color='pink', alpha=0.5)\n",
+    "\n",
+    "    plt.xlabel('Number of Transactions')\n",
+    "    plt.ylabel('Gas Cost')\n",
+    "    plt.title(f'Gas Costs and {window_size}-Transaction Moving Average for {csv_file}')\n",
+    "    plt.legend()\n",
+    "\n",
+    "    # saving the plots as images\n",
+    "    output_file = os.path.join(folder_path, f\"{csv_file.replace('.csv', '')}_plot.png\")\n",
+    "    plt.savefig(output_file)\n",
+    "\n",
+    "    # also store them in the array to display inline\n",
+    "    figures.append(plt.gcf()) \n",
+    "\n",
+    "# display all plots\n",
+    "for fig in figures:\n",
+    "    plt.figure(fig.number)\n",
+    "    plt.show()\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.10.15"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}

solidity/test/gas_cost/zeto_anon_enc_nullifier_kyc_cost_analysis.ts

@@ -42,8 +42,8 @@ import {
 } from '../utils';
 import { deployZeto } from '../lib/deploy';
 
-const TOTAL_AMOUNT = parseInt(process.env.TOTAL_ROUNDS || '4');
-const TX_CONCURRENCY = parseInt(process.env.TX_CONCURRENCY || '20');
+const TOTAL_AMOUNT = parseInt(process.env.TOTAL_ROUNDS || '1000');
+const TX_CONCURRENCY = parseInt(process.env.TX_CONCURRENCY || '30');
 
 describe.skip('(Gas cost analysis) Zeto based fungible token with anonymity using nullifiers and encryption with KYC', function () {
   let deployer: Signer;
@@ -115,28 +115,6 @@ describe.skip('(Gas cost analysis) Zeto based fungible token with anonymity usin
     // console.log(`Deposit costs: ${depositGasCostHistory.join(',')}`);
     // console.log(`Transfer costs: ${transferGasCostHistory.join(',')}`);
     // console.log(`Withdraw costs: ${withdrawGasCostHistory.join(',')}`);
-
-    writeGasCostsToCSV(
-      `${reportPrefix}mint_gas_costs.csv`,
-      mintGasCostHistory,
-      'Mint Gas Costs'
-    );
-    writeGasCostsToCSV(
-      `${reportPrefix}deposit_gas_costs.csv`,
-      depositGasCostHistory,
-      'Deposit Gas Costs'
-    );
-    writeGasCostsToCSV(
-      `${reportPrefix}transfer_gas_costs.csv`,
-      transferGasCostHistory,
-      'Transfer Gas Costs'
-    );
-
-    writeGasCostsToCSV(
-      `${reportPrefix}withdraw_gas_costs.csv`,
-      withdrawGasCostHistory,
-      'Withdraw Gas Costs'
-    );
   });
 
   describe(`Transfer ${TOTAL_AMOUNT} tokens (half from deposit, half from mint) from single address to another`, function () {
@@ -205,6 +183,10 @@ describe.skip('(Gas cost analysis) Zeto based fungible token with anonymity usin
       if (promises.length > 0) {
         await Promise.all(promises);
       }
+      writeGasCostsToCSV(
+        `${reportPrefix}deposit_gas_costs.csv`,
+        depositGasCostHistory
+      );
     }).timeout(6000000000000);
 
     it(`Zeto mint ${atMostHalfAmount + (TOTAL_AMOUNT % 2)} token to Alice in ${
@@ -255,6 +237,10 @@ describe.skip('(Gas cost analysis) Zeto based fungible token with anonymity usin
       if (promises.length > 0) {
         await Promise.all(promises);
       }
+      writeGasCostsToCSV(
+        `${reportPrefix}mint_gas_costs.csv`,
+        mintGasCostHistory
+      );
     }).timeout(6000000000000);
 
     it(`Alice transfer ${TOTAL_AMOUNT} tokens to Bob in ${atLeastHalfAmount} txs`, async function () {
@@ -338,6 +324,10 @@ describe.skip('(Gas cost analysis) Zeto based fungible token with anonymity usin
       if (promises.length > 0) {
         await Promise.all(promises);
       }
+      writeGasCostsToCSV(
+        `${reportPrefix}transfer_gas_costs.csv`,
+        transferGasCostHistory
+      );
     }).timeout(6000000000000);
 
     it(`Bob withdraw ${TOTAL_AMOUNT} tokens`, async function () {
@@ -382,6 +372,10 @@ describe.skip('(Gas cost analysis) Zeto based fungible token with anonymity usin
           );
         }
       }
+      writeGasCostsToCSV(
+        `${reportPrefix}withdraw_gas_costs.csv`,
+        withdrawGasCostHistory
+      );
       // Bob checks ERC20 balance
       const endingBalance = await erc20.balanceOf(Bob.ethAddress);
       expect(endingBalance - startingBalance).to.be.equal(TOTAL_AMOUNT);
@@ -551,19 +545,14 @@ describe.skip('(Gas cost analysis) Zeto based fungible token with anonymity usin
   }
 });
 
-function writeGasCostsToCSV(
-  filename: string,
-  gasCosts: number[],
-  header: string
-) {
+function writeGasCostsToCSV(filename: string, gasCosts: number[]) {
   const filePath = path.join(__dirname, filename);
 
   // Prepare the CSV content
-  const csvHeader = `${header}\n`;
   const csvData = gasCosts.join(',\n') + '\n'; // Each value in a new line
 
   // Write the CSV content to a file (overwrite if file exists)
-  fs.writeFileSync(filePath, csvHeader + csvData, 'utf8');
+  fs.writeFileSync(filePath, 'gas_costs,\n' + csvData, 'utf8');
 
   console.log(`Gas costs written to ${filePath}`);
 }