From c1bcbbd654e320d3924abdbb8fd89789331e1a98 Mon Sep 17 00:00:00 2001
From: Joseph Knecht <83087510+JosephKnecht-lab@users.noreply.github.com>
Date: Tue, 28 Jan 2025 20:21:04 +0100
Subject: [PATCH] minor changes to checks

---
 jam/src/blockchain.rs | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/jam/src/blockchain.rs b/jam/src/blockchain.rs
index e3687ef..20ab136 100644
--- a/jam/src/blockchain.rs
+++ b/jam/src/blockchain.rs
@@ -25,10 +25,8 @@ impl Blockchain {
     }
 
     pub fn add_block(&mut self, block: Block) -> Result<(), String> {
-        // Validate the block
         if self.validate_block(&block) {
-            // Update the current slot if block is valid
-            self.current_slot = block.header.slot;
+            self.current_slot = block.header.slot; // Update current_slot to the new block's slot
             self.chain.push(block);
             Ok(())
         } else {
@@ -53,11 +51,13 @@ impl Blockchain {
     }
 
     fn validate_slot(&self, slot: u64) -> bool {
-        // Allow the genesis block (slot 0 or parent hash is genesis hash)
+        // Allow genesis block (slot 0)
         if slot == 0 {
             return true;
         }
-        slot >= self.current_slot && slot < self.current_slot + self.epoch_duration
+
+        // Ensure the slot is greater than the current slot
+        slot > self.current_slot
     }
 
     fn validate_entropy(&self, entropy: &str) -> bool {
@@ -74,7 +74,7 @@ impl Blockchain {
                 parent: parent_hash,
                 parent_state_root: "0".repeat(64),
                 extrinsic_hash: extrinsic.calculate_hash(),
-                slot: self.current_slot,
+                slot: self.current_slot + 1, // Increment slot for mined block
                 epoch_mark: None, // Placeholder for simplicity
                 tickets_mark: None, // Placeholder for simplicity
                 offenders_mark: vec![],