From b845db8a6c46cb00e21396ae26f4d72ffdd6e567 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aleksandar=20Terenti=C4=87?= <aleksandar@ethernal.tech>
Date: Fri, 4 Oct 2024 10:08:56 +0200
Subject: [PATCH] Expose public parameters and Position fns in no-std

---
 Cargo.lock                  | 12 ++++++++----
 kate/recovery/Cargo.toml    |  6 +++++-
 kate/recovery/src/data.rs   |  6 +++++-
 kate/recovery/src/lib.rs    |  1 -
 kate/recovery/src/matrix.rs |  7 +++++--
 5 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index efc87a50..67a3e9b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1756,13 +1756,15 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.12"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "190092ea657667030ac6a35e305e62fc4dd69fd98ac98631e5d3a2b1575a12b5"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "wasi",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -2144,6 +2146,7 @@ dependencies = [
  "derive_more",
  "dusk-bytes",
  "dusk-plonk",
+ "getrandom",
  "hex",
  "once_cell",
  "parity-scale-codec",
@@ -2151,6 +2154,7 @@ dependencies = [
  "rand_chacha",
  "serde",
  "sp-arithmetic",
+ "sp-io",
  "sp-std",
  "static_assertions",
  "test-case",
@@ -2174,9 +2178,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.153"
+version = "0.2.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
+checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
 
 [[package]]
 name = "libm"
diff --git a/kate/recovery/Cargo.toml b/kate/recovery/Cargo.toml
index 9e885d52..d3e7c1b2 100644
--- a/kate/recovery/Cargo.toml
+++ b/kate/recovery/Cargo.toml
@@ -5,10 +5,14 @@ authors = ["Denis Ermolin <denis.ermolin@matic.network>"]
 edition = "2018"
 license = "Apache-2.0"
 
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+getrandom = { version = "0.2.15", features = ["js"] }
+sp-io = { workspace = true, features = [ "disable_panic_handler" ] }
+
 [dependencies]
 # Internals
 avail-core = { path = "../../core", default-features = false }
-dusk-plonk = { workspace = true, optional = true }
+dusk-plonk = { workspace = true }
 
 # Parity
 codec = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
diff --git a/kate/recovery/src/data.rs b/kate/recovery/src/data.rs
index d55fab75..02a7387b 100644
--- a/kate/recovery/src/data.rs
+++ b/kate/recovery/src/data.rs
@@ -4,6 +4,11 @@ use sp_std::{collections::btree_map::BTreeMap, vec::Vec};
 
 use crate::matrix::{Dimensions, Position, RowIndex};
 
+#[cfg(target_arch = "wasm32")]
+extern crate alloc;
+#[cfg(target_arch = "wasm32")]
+use alloc::string::String;
+
 /// Position and data of a cell in extended matrix
 #[derive(Default, Debug, Clone, Constructor)]
 pub struct DataCell {
@@ -23,7 +28,6 @@ pub struct Cell {
 }
 
 impl Cell {
-	#[cfg(feature = "std")]
 	pub fn reference(&self, block: u32) -> String {
 		self.position.reference(block)
 	}
diff --git a/kate/recovery/src/lib.rs b/kate/recovery/src/lib.rs
index deca212c..d7777992 100644
--- a/kate/recovery/src/lib.rs
+++ b/kate/recovery/src/lib.rs
@@ -11,5 +11,4 @@ pub mod sparse_slice_read;
 #[cfg(feature = "std")]
 pub mod testnet;
 
-#[cfg(feature = "std")]
 pub mod couscous;
diff --git a/kate/recovery/src/matrix.rs b/kate/recovery/src/matrix.rs
index 1f61abdf..8679c7bd 100644
--- a/kate/recovery/src/matrix.rs
+++ b/kate/recovery/src/matrix.rs
@@ -12,6 +12,11 @@ use sp_std::vec;
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
+#[cfg(target_arch = "wasm32")]
+extern crate alloc;
+#[cfg(target_arch = "wasm32")]
+use alloc::{format, string::String};
+
 /// Position of a cell in the the matrix.
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 #[derive(Default, Debug, Clone, Copy, Hash, Eq, PartialEq, Constructor)]
@@ -51,7 +56,6 @@ impl Display for Position {
 
 impl Position {
 	/// Reference in format `block_number:column_number:row_number`
-	#[cfg(feature = "std")]
 	pub fn reference(&self, block_number: u32) -> String {
 		format!("{}:{}", block_number, self)
 	}
@@ -76,7 +80,6 @@ pub struct RowIndex(pub u32);
 
 impl RowIndex {
 	/// Reference in format `block_number:row_number`
-	#[cfg(feature = "std")]
 	pub fn reference(&self, block_number: u32) -> String {
 		format!("{}:{}", block_number, self.0)
 	}