From 52878b6709734f7b126e5aa97de834c98ba5f148 Mon Sep 17 00:00:00 2001
From: bruno-valante <140794260+bruno-valante@users.noreply.github.com>
Date: Sun, 8 Sep 2024 08:37:03 +0800
Subject: [PATCH] Fix recall range computation for sharding (#186)

* Fix recall range computation for sharding

* cargo fmt
---
 node/miner/src/mine.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/node/miner/src/mine.rs b/node/miner/src/mine.rs
index 9994a89..571ef69 100644
--- a/node/miner/src/mine.rs
+++ b/node/miner/src/mine.rs
@@ -75,7 +75,11 @@ impl MineRangeConfig {
         let minable_length =
             (context.flow_length.as_u64() / SECTORS_PER_LOAD as u64) * SECTORS_PER_LOAD as u64;
 
-        let mining_length = std::cmp::min(minable_length, SECTORS_PER_MAX_MINING_RANGE as u64);
+        let num_shards = 1u64 << self.shard_config.miner_shard_mask().count_zeros();
+        let mining_length = std::cmp::min(
+            minable_length,
+            (SECTORS_PER_MAX_MINING_RANGE as u64).saturating_mul(num_shards),
+        );
 
         let start_position = std::cmp::min(self_start_position, minable_length - mining_length);
         let start_position =