build: introduce support for felt package

lambdaclass · Feb 10, 2023 · 6c25adf · 6c25adf
1 parent 3cf1c2f
commit 6c25adf
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diff --git a/felt/Cargo.toml b/felt/Cargo.toml
@@ -6,13 +6,21 @@ license = "Apache-2.0"
 description = "Field elements representation for the Cairo VM"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[features]
+default = ["std"]
+std = ["no-std-compat/std"]
 
 [dependencies]
 num-integer = "0.1.45"
 num-bigint = { version = "0.4", features = ["serde"] }
 num-traits = "0.2.15"
 lazy_static = "1.4.0"
 serde = { version = "1.0", features = ["derive"] }
+no-std-compat = { version = "0.4.1", features = [
+    "alloc",
+    "compat_macros",
+    "std",
+] }
 
 [dev-dependencies]
 proptest = "1.0.0"
diff --git a/felt/src/bigint_felt.rs b/felt/src/bigint_felt.rs
@@ -3,6 +3,7 @@ use num_bigint::{BigInt, BigUint, ToBigInt, U64Digits};
 use num_integer::Integer;
 use num_traits::{Bounded, FromPrimitive, Num, One, Pow, Signed, ToPrimitive, Zero};
 use serde::{Deserialize, Serialize};
+use std::prelude::v1::*;
 use std::{
     convert::Into,
     fmt,

diff --git a/felt/src/lib.rs b/felt/src/lib.rs
@@ -1,10 +1,15 @@
+#![no_std]
+
+extern crate no_std_compat as std;
+
 mod bigint_felt;
 
 use bigint_felt::FeltBigInt;
 use num_bigint::{BigInt, BigUint, U64Digits};
 use num_integer::Integer;
 use num_traits::{Bounded, FromPrimitive, Num, One, Pow, Signed, ToPrimitive, Zero};
 use serde::{Deserialize, Serialize};
+
 use std::{
     convert::Into,
     fmt,
@@ -13,6 +18,7 @@ use std::{
         Add, AddAssign, BitAnd, BitOr, BitXor, Div, Mul, MulAssign, Neg, Rem, Shl, Shr, ShrAssign,
         Sub, SubAssign,
     },
+    prelude::v1::*,
 };
 
 pub const PRIME_STR: &str = "0x800000000000011000000000000000000000000000000000000000000000001"; // in decimal, this is equal to 3618502788666131213697322783095070105623107215331596699973092056135872020481