From 8644dec99f860732e7e3de8db29d7ab7aef96c0e Mon Sep 17 00:00:00 2001
From: Thibault Martinez <thibault@iota.org>
Date: Mon, 20 Nov 2023 11:07:49 +0100
Subject: [PATCH] Fix get_slot_index with nanoseconds
 relative_accepted_tangle_time (#1640)

---
 sdk/src/client/api/high_level.rs | 9 ++++++---
 sdk/src/client/constants.rs      | 2 +-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/sdk/src/client/api/high_level.rs b/sdk/src/client/api/high_level.rs
index 2926091520..f606cfac23 100644
--- a/sdk/src/client/api/high_level.rs
+++ b/sdk/src/client/api/high_level.rs
@@ -8,7 +8,7 @@ use futures::{StreamExt, TryStreamExt};
 use crate::{
     client::{
         api::input_selection::Error as InputSelectionError,
-        constants::FIVE_MINUTES_IN_SECONDS,
+        constants::FIVE_MINUTES_IN_NANOSECONDS,
         error::{Error, Result},
         node_api::indexer::query_parameters::BasicOutputQueryParameters,
         unix_timestamp_now, Client,
@@ -115,13 +115,15 @@ impl Client {
 
     // Returns the slot index corresponding to the current timestamp.
     pub async fn get_slot_index(&self) -> Result<SlotIndex> {
-        let current_time = unix_timestamp_now().as_secs();
+        let current_time = unix_timestamp_now().as_nanos() as u64;
 
         let network_info = self.get_network_info().await?;
 
         if let Some(tangle_time) = network_info.tangle_time {
             // Check the local time is in the range of +-5 minutes of the node to prevent locking funds by accident
-            if !(tangle_time - FIVE_MINUTES_IN_SECONDS..tangle_time + FIVE_MINUTES_IN_SECONDS).contains(&current_time) {
+            if !(tangle_time - FIVE_MINUTES_IN_NANOSECONDS..tangle_time + FIVE_MINUTES_IN_NANOSECONDS)
+                .contains(&current_time)
+            {
                 return Err(Error::TimeNotSynced {
                     current_time,
                     tangle_time,
@@ -129,6 +131,7 @@ impl Client {
             }
         }
 
+        // TODO double check with TIP if this should be seconds or nanoseconds
         Ok(network_info.protocol_parameters.slot_index(current_time))
     }
 }
diff --git a/sdk/src/client/constants.rs b/sdk/src/client/constants.rs
index 487e97cd15..b4d9b0252f 100644
--- a/sdk/src/client/constants.rs
+++ b/sdk/src/client/constants.rs
@@ -17,7 +17,7 @@ pub(crate) const DEFAULT_USER_AGENT: &str = concat!(env!("CARGO_PKG_NAME"), "/",
 #[cfg(not(target_family = "wasm"))]
 pub(crate) const MAX_PARALLEL_API_REQUESTS: usize = 100;
 /// Max allowed difference between the local time and latest milestone time, 5 minutes in seconds
-pub(crate) const FIVE_MINUTES_IN_SECONDS: u64 = 300;
+pub(crate) const FIVE_MINUTES_IN_NANOSECONDS: u64 = 300_000_000_000;
 /// Delay for caching a node info response in WASM runtime
 #[cfg(target_family = "wasm")]
 pub(crate) const CACHE_NETWORK_INFO_TIMEOUT_IN_SECONDS: u32 = 60;