Moul
--- a/doc/dev/setup_env_dev.md
+++ b/doc/dev/setup_env_dev.md
 To develop on Duniter, there is currently the following requirement:

 - A computer with GNU/Linux or Mac as operating system
- Build essential tools
+- Build essential tools: GCC C++
--- a/rust-bins/xtask/src/main.rs
+++ b/rust-bins/xtask/src/main.rs
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.

+extern crate version_compare;
--- a/rust-bins/xtask/src/main.rs
+++ b/rust-bins/xtask/src/main.rs
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.

+extern crate version_compare;
+
 use anyhow::Result;
 use std::process::{Command, Output};
 use structopt::StructOpt;
+use version_compare::{Version};
--- a/rust-bins/xtask/src/main.rs
+++ b/rust-bins/xtask/src/main.rs
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.

+extern crate version_compare;
+
 use anyhow::Result;
 use std::process::{Command, Output};
 use structopt::StructOpt;
+use version_compare::{Version};

 const MIN_RUST_VERSION: &str = "1.51.0";
-const NODE_VERSION: &str = "10.22.1";
+const MIN_NODE_VERSION: &str = "10.18.0";
+const MAX_NODE_VERSION: &str = "11.0.0";
--- a/rust-bins/xtask/src/main.rs
+++ b/rust-bins/xtask/src/main.rs

    if !args.skip_npm {
        println!("Check node version …");
-        if exec_and_get_stdout(Command::new("node").arg("-v"))
-            .unwrap_or_default()
-            .trim_end()
-            != format!("v{}", NODE_VERSION)
+        let node_vers: String = exec_and_get_stdout(Command::new("node").arg("-v"))