From 9da6f25aac6dbd95abe6857cf9b2d74a8294f1e1 Mon Sep 17 00:00:00 2001
From: evalir <e@evalir.xyz>
Date: Tue, 9 Sep 2025 11:55:14 -0400
Subject: [PATCH 1/2] feat(utils): Make `SlotCalculator` instantiable from a
 chain name

Right now we have to do error-prone configs everywhere. With this, we won't.

Closes ENG-1139
---
 src/utils/calc.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/utils/calc.rs b/src/utils/calc.rs
index 51a2df0..e1f8b1b 100644
--- a/src/utils/calc.rs
+++ b/src/utils/calc.rs
@@ -1,4 +1,7 @@
+use std::str::FromStr;
+
 use crate::utils::from_env::FromEnv;
+use signet_constants::KnownChains;
 
 /// A slot calculator, which can calculate slot numbers, windows, and offsets
 /// for a given chain.
@@ -273,6 +276,22 @@ impl SlotCalculator {
     }
 }
 
+impl From<KnownChains> for SlotCalculator {
+    fn from(value: KnownChains) -> Self {
+        match value {
+            KnownChains::Pecorino => SlotCalculator::pecorino_host(),
+        }
+    }
+}
+
+impl FromStr for SlotCalculator {
+    type Err = signet_constants::ParseChainError;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        Ok(SlotCalculator::from(KnownChains::from_str(s)?))
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

From a8ad95e07022b54452a49fda37daba43485f3519 Mon Sep 17 00:00:00 2001
From: evalir <e@evalir.xyz>
Date: Wed, 10 Sep 2025 09:22:28 -0400
Subject: [PATCH 2/2] chore: rm newline

---
 src/utils/calc.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/utils/calc.rs b/src/utils/calc.rs
index e1f8b1b..2285e45 100644
--- a/src/utils/calc.rs
+++ b/src/utils/calc.rs
@@ -1,7 +1,6 @@
-use std::str::FromStr;
-
 use crate::utils::from_env::FromEnv;
 use signet_constants::KnownChains;
+use std::str::FromStr;
 
 /// A slot calculator, which can calculate slot numbers, windows, and offsets
 /// for a given chain.