From e4447617f69a4f30a2794bead1ef64faba37c5e8 Mon Sep 17 00:00:00 2001
From: r4bbit <445106+0x-r4bbit@users.noreply.github.com>
Date: Fri, 26 Jun 2026 19:00:39 +0200
Subject: [PATCH] chore: pin ruint dep

---
 programs/ata/methods/guest/Cargo.lock   | 5 +++--
 programs/ata/methods/guest/Cargo.toml   | 5 +++++
 programs/token/methods/guest/Cargo.lock | 5 +++--
 programs/token/methods/guest/Cargo.toml | 5 +++++
 4 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/programs/ata/methods/guest/Cargo.lock b/programs/ata/methods/guest/Cargo.lock
index 6dacf39..9aad138 100644
--- a/programs/ata/methods/guest/Cargo.lock
+++ b/programs/ata/methods/guest/Cargo.lock
@@ -279,6 +279,7 @@ dependencies = [
  "borsh",
  "nssa_core",
  "risc0-zkvm",
+ "ruint",
  "serde",
  "spel-framework",
  "token_core",
@@ -2569,9 +2570,9 @@ dependencies = [
 
 [[package]]
 name = "ruint"
-version = "1.18.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0298da754d1395046b0afdc2f20ee76d29a8ae310cd30ffa84ed42acba9cb12a"
+checksum = "a68df0380e5c9d20ce49534f292a36a7514ae21350726efe1865bdb1fa91d278"
 dependencies = [
  "borsh",
  "proptest",
diff --git a/programs/ata/methods/guest/Cargo.toml b/programs/ata/methods/guest/Cargo.toml
index 3ba0eb7..ead1024 100644
--- a/programs/ata/methods/guest/Cargo.toml
+++ b/programs/ata/methods/guest/Cargo.toml
@@ -55,6 +55,11 @@ path = "src/bin/ata.rs"
 spel-framework = { git = "https://github.com/logos-co/spel.git", tag = "v0.3.0", package = "spel-framework" }
 nssa_core = { git = "https://github.com/logos-blockchain/logos-execution-zone.git", tag = "v0.2.0-rc3" }
 risc0-zkvm = { version = "=3.0.5", default-features = false }
+# Pin ruint (transitive via risc0-binfmt) below 1.18, which raised its MSRV to
+# rustc 1.90. The risc0 guest toolchain ships rustc 1.88, so 1.18+ fails the
+# guest build. 1.17.0 (MSRV 1.85) is the newest compatible release. Remove this
+# pin once the risc0 guest toolchain advances past 1.90.
+ruint = { version = "=1.17.0", default-features = false }
 ata_core = { path = "../../core" }
 ata_program = { path = "../..", package = "ata_program" }
 token_core = { path = "../../../token/core" }
diff --git a/programs/token/methods/guest/Cargo.lock b/programs/token/methods/guest/Cargo.lock
index 2be20b6..d23e5d1 100644
--- a/programs/token/methods/guest/Cargo.lock
+++ b/programs/token/methods/guest/Cargo.lock
@@ -2536,9 +2536,9 @@ dependencies = [
 
 [[package]]
 name = "ruint"
-version = "1.18.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0298da754d1395046b0afdc2f20ee76d29a8ae310cd30ffa84ed42acba9cb12a"
+checksum = "a68df0380e5c9d20ce49534f292a36a7514ae21350726efe1865bdb1fa91d278"
 dependencies = [
  "borsh",
  "proptest",
@@ -3117,6 +3117,7 @@ dependencies = [
  "borsh",
  "nssa_core",
  "risc0-zkvm",
+ "ruint",
  "serde",
  "spel-framework",
  "token_core",
diff --git a/programs/token/methods/guest/Cargo.toml b/programs/token/methods/guest/Cargo.toml
index 7cd8567..b0ffffa 100644
--- a/programs/token/methods/guest/Cargo.toml
+++ b/programs/token/methods/guest/Cargo.toml
@@ -55,6 +55,11 @@ path = "src/bin/token.rs"
 spel-framework = { git = "https://github.com/logos-co/spel.git", tag = "v0.3.0", package = "spel-framework" }
 nssa_core = { git = "https://github.com/logos-blockchain/logos-execution-zone.git", tag = "v0.2.0-rc3" }
 risc0-zkvm = { version = "=3.0.5", default-features = false }
+# Pin ruint (transitive via risc0-binfmt) below 1.18, which raised its MSRV to
+# rustc 1.90. The risc0 guest toolchain ships rustc 1.88, so 1.18+ fails the
+# guest build. 1.17.0 (MSRV 1.85) is the newest compatible release. Remove this
+# pin once the risc0 guest toolchain advances past 1.90.
+ruint = { version = "=1.17.0", default-features = false }
 token_core = { path = "../../core" }
 token_program = { path = "../..", package = "token_program" }
 serde = { version = "1.0", features = ["derive"] }