fix for the slashing spans calculation during withdrawals

Signed-off-by: Uncle Stretch <uncle.stretch@ghostchain.io>

Cargo.toml

@@ -2,7 +2,7 @@
 name = "ghost-eye"
 authors = ["str3tch <stretch@ghostchain.io>"]
 description = "Application for interacting with Casper/Ghost nodes that are exposing RPC only to the localhost"
-version = "0.3.68"
+version = "0.3.69"
 edition = "2021"
 homepage = "https://git.ghostchain.io/ghostchain"
 repository = "https://git.ghostchain.io/ghostchain/ghost-eye"

src/network/predefined_calls.rs

@@ -4,6 +4,7 @@ use subxt::{
     backend::rpc::RpcClient, 
     client::OnlineClient, 
     config::substrate::DigestItem, 
+    ext::sp_runtime::Saturating,
     ext::sp_core::crypto::{
         AccountId32, Ss58AddressFormat, Ss58Codec,
     }, 
@@ -14,7 +15,7 @@ use subxt::{
 use crate::{
     action::Action, 
     casper_network::runtime_types::{ghost_networks::NetworkType, pallet_staking::RewardDestination, sp_consensus_slots}, 
-    types::{EraInfo, EraRewardPoints, Gatekeeper, Nominations, Nominator, SessionKeyInfo, SystemAccount, UnlockChunk}, 
+    types::{EraInfo, EraRewardPoints, Gatekeeper, Nominations, Nominator, SlashingSpan, SessionKeyInfo, SystemAccount, UnlockChunk},
     CasperAccountId, CasperConfig
 };
 
@@ -592,7 +593,20 @@ pub async fn get_slashing_spans(
 ) -> Result<()> {
     let slashing_spans_length = super::raw_calls::staking::slashing_spans(api, None, account_id)
         .await?
-        .map(|spans| spans.prior.len())
+        .map(|spans| {
+            let mut last_start = spans.last_start;
+            let mut index = spans.span_index;
+            let last = SlashingSpan { index, start: last_start, length: None };
+            let prior = spans.prior.iter().cloned().map(move |length| {
+                let start = last_start.saturating_sub(length);
+                last_start = start;
+                index.saturating_reduce(1);
+
+                SlashingSpan { index, start, length: Some(length) }
+            });
+
+            std::iter::once(last).chain(prior).count()
+        })
         .unwrap_or_default();
     action_tx.send(Action::SetSlashingSpansLength(slashing_spans_length, *account_id))?;
     Ok(())

src/types/mod.rs

@@ -19,5 +19,6 @@ pub use nominator::Nominator;
 pub use nominator::Nominations;
 pub use staking::UnlockChunk;
 pub use staking::RewardDestination;
+pub use staking::SlashingSpan;
 pub use networks::Gatekeeper;
 pub use networks::BlockRange;

src/types/staking.rs

@@ -8,6 +8,13 @@ pub struct UnlockChunk {
     pub era: u32,
 }
 
+#[derive(Debug, Default, Clone, PartialEq, Eq, Serialize, Deserialize, Decode)]
+pub struct SlashingSpan {
+    pub index: u32,
+    pub start: u32,
+    pub length: Option<u32>
+}
+
 #[derive(Default, Debug, Clone, PartialEq, Eq, Display, Serialize, Deserialize)]
 pub enum RewardDestination {
     #[default]