Merge pull request #39 from KasarLabs/net/manual_import

Net/manual import

Author: antiyro

crates/client/block-proposer/src/lib.rs

@@ -214,6 +214,12 @@ where
     ) -> Self::Proposal {
         let (tx, rx) = oneshot::channel();
         let spawn_handle = self.spawn_handle.clone();
+        let txs = self.transaction_pool.ready().count() > 0;
+
+        // If there are no transactions, return an error (we want to avoid empty blocks)
+        if !txs {
+            return async { Err(sp_blockchain::Error::Application("No transactions in pool".into())) }.boxed();
+        }
 
         spawn_handle.spawn_blocking(
             "madara-block-proposer",

crates/client/data-availability/src/utils.rs

@@ -5,6 +5,8 @@ use lazy_static::lazy_static;
 use mp_storage::{
     PALLET_STARKNET, STARKNET_CONTRACT_CLASS, STARKNET_CONTRACT_CLASS_HASH, STARKNET_NONCE, STARKNET_STORAGE,
 };
+use reqwest::{StatusCode, header::{HeaderMap, CONTENT_TYPE}};
+use serde_json::json;
 use sp_io::hashing::twox_128;
 use url::{ParseError, Url};
 
@@ -66,4 +68,4 @@ pub fn is_valid_ws_endpoint(endpoint: &str) -> bool {
 
 pub fn is_valid_http_endpoint(endpoint: &str) -> bool {
     if let Ok(url) = get_valid_url(endpoint) { matches!(url.scheme(), "http" | "https") } else { false }
-}
+}