From 03a2dae05dd1ef2201eab3008015c21182ba9baa Mon Sep 17 00:00:00 2001
From: Georges Palauqui <georges.palauqui@gptechinno.com>
Date: Sun, 20 Oct 2024 09:22:22 +0200
Subject: [PATCH] derive_codec_sv2: refactor to std logic

---
 .../v2/binary-sv2/no-serde-sv2/derive_codec/Cargo.toml   | 3 +++
 .../v2/binary-sv2/no-serde-sv2/derive_codec/src/lib.rs   | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/protocols/v2/binary-sv2/no-serde-sv2/derive_codec/Cargo.toml b/protocols/v2/binary-sv2/no-serde-sv2/derive_codec/Cargo.toml
index c7884c73a..729cc2657 100644
--- a/protocols/v2/binary-sv2/no-serde-sv2/derive_codec/Cargo.toml
+++ b/protocols/v2/binary-sv2/no-serde-sv2/derive_codec/Cargo.toml
@@ -16,6 +16,9 @@ keywords = ["stratum", "mining", "bitcoin", "protocol"]
 [dependencies]
 binary_codec_sv2 = {version = "^1.0.0", path="../codec"}
 
+[features]
+std = []
+
 [lib]
 proc-macro = true
 
diff --git a/protocols/v2/binary-sv2/no-serde-sv2/derive_codec/src/lib.rs b/protocols/v2/binary-sv2/no-serde-sv2/derive_codec/src/lib.rs
index aef883ba1..dc8167ec9 100644
--- a/protocols/v2/binary-sv2/no-serde-sv2/derive_codec/src/lib.rs
+++ b/protocols/v2/binary-sv2/no-serde-sv2/derive_codec/src/lib.rs
@@ -1,4 +1,13 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
 extern crate proc_macro;
+#[macro_use]
+extern crate alloc;
+
+use alloc::{
+    string::{String, ToString},
+    vec::Vec,
+};
 use core::iter::FromIterator;
 use proc_macro::{Group, TokenStream, TokenTree};