Calo kruse/tax 3412 update zokrates version 0.8.0 (#31)

* feat: updated zokrates version to 0.8.0

* feat: compile-zok added to internal module

---------

Co-authored-by: carlos-kruse <[email protected]>

Author: andresobandoalfaro

Dockerfile

@@ -1,6 +1,7 @@
+FROM ubuntu:20.04
 ARG GPR_TOKEN
 
-FROM zokrates/zokrates:0.7.7 as builder
+FROM zokrates/zokrates:0.8.0 as builder
 
 FROM node:16.0.0 as node-build
 ARG GPR_TOKEN
@@ -23,6 +24,33 @@ COPY ./start-dev ./start-dev
 
 RUN apt-get update -y
 RUN apt-get install -y netcat
+RUN apt-get install vim -y
+# RUN apt-get install libc6
+
+RUN cd /etc
+RUN mkdir gcc-10-base
+RUN cd gcc-10-base/
+RUN  wget http://ftp.de.debian.org/debian/pool/main/g/gcc-10/gcc-10-base_10.2.1-6_amd64.deb
+RUN dpkg -i gcc-10-base_10.2.1-6_amd64.deb || :
+
+RUN cd /etc
+RUN mkdir libgcc-s1
+RUN cd libgcc-s1/
+RUN  wget http://ftp.de.debian.org/debian/pool/main/g/gcc-10/libgcc-s1_10.2.1-6_amd64.deb
+RUN dpkg -i libgcc-s1_10.2.1-6_amd64.deb || :
+
+RUN cd /etc
+RUN mkdir libcrypt1
+RUN cd libcrypt1/
+RUN  wget http://ftp.de.debian.org/debian/pool/main/libx/libxcrypt/libcrypt1_4.4.18-4_amd64.deb 
+RUN dpkg -i libcrypt1_4.4.18-4_amd64.deb || :
+
+RUN cd /etc
+RUN mkdir libc6
+RUN cd libc6/
+RUN wget http://ftp.de.debian.org/debian/pool/main/g/glibc/libc6_2.31-13+deb11u5_amd64.deb
+RUN dpkg -i libc6_2.31-13+deb11u5_amd64.deb || :
+RUN cd ..
 
 ENV ZOKRATES_HOME /app
 ENV ZOKRATES_STDLIB /app/stdlib

src/services/compile-zok.mjs

@@ -0,0 +1,67 @@
+import fs from 'fs';
+import { spawn } from 'child_process';
+
+/**
+ * Compiles code found at `codePath` and outputs at the output path.
+ *
+ * @example
+ * // Will compile contents, generating ./ft-mint.code` and ./ft-mint as outputs
+ * compile('./code/ft-mint/ft-mint.code', './', 'ft-mint');
+ *
+ * @param {String} codePath - Path of code file to compile
+ * @param {String} [outputPath=./] - Directory to output, defaults to current directory
+ * @param {String} [outputName=out] - name of `.code` and `out` files. Defaults to out.
+ */
+async function compile(
+  codePath,
+  outputPath = './',
+  outputName = 'out',
+  curve = 'bn128',
+  options = {},
+) {
+  const { maxReturn = 10000000, verbose = false } = options;
+  if (!fs.existsSync(codePath)) {
+    throw new Error('Compile input file(s) not found');
+  }
+  const parsedOutputName = outputName; // TODO can have more checks here
+  // TODO: Check if outputPath is directory, otherwise throw.
+  const parsedOutputPath = outputPath.endsWith('/') ? outputPath : `${outputPath}/`;
+  return new Promise((resolve, reject) => {
+    const zokrates = spawn(
+      '/app/zokrates',
+      ['compile', '-i', codePath, '-o', `${parsedOutputPath}${parsedOutputName}`, '--curve', curve],
+      {
+        stdio: ['ignore', 'pipe', 'pipe'],
+        env: {
+          ZOKRATES_STDLIB: process.env.ZOKRATES_STDLIB,
+        },
+      },
+    );
+
+    let output = '';
+
+    zokrates.stdout.on('data', data => {
+      if (verbose) {
+        output += data.toString('utf8');
+        // If the entire output gets too large, just send ...[truncated].
+        if (output.length > maxReturn) output = '...[truncated]';
+      }
+    });
+
+    zokrates.stderr.on('data', err => {
+      reject(new Error(`Compile failed: ${err}`));
+    });
+
+    zokrates.on('close', () => {
+      // ZoKrates sometimes outputs error through stdout instead of stderr,
+      // so we need to catch those errors manually.
+      if (output.includes('panicked')) {
+        reject(new Error(output.slice(output.indexOf('panicked'))));
+      }
+      if (verbose) resolve(output);
+      else resolve();
+    });
+  });
+}
+
+export default compile;

src/services/generateKeys.mjs

@@ -2,7 +2,9 @@ import fs from 'fs';
 import path from 'path';
 import zokrates from '@eyblockchain/zokrates-zexe.js';
 import logger from '../utils/logger.mjs';
+import compile from './compile-zok.mjs';
 
+// TODO: REMOVE THE COMPILE MODULE WHEN IT IS CORRECTED ON @eyblockchain/zokrates-zexe.js
 export default async function({
   filepath,
   curve = 'bn128',
@@ -19,7 +21,8 @@ export default async function({
   fs.mkdirSync(`${outputPath}/${circuitDir}`, { recursive: true });
 
   logger.info('Compile...');
-  await zokrates.compile(
+  // TODO: Use again the zokrates node module.
+  await compile(
     `${circuitsPath}/${filepath}`,
     `${outputPath}/${circuitDir}`,
     `${circuitName}_out`,