From 9bca292afe4f22587bd71e98571c2c9966feaefe Mon Sep 17 00:00:00 2001
From: Adeniyi eniola <chijiokejoseph20247@gmail.com>
Date: Wed, 26 Aug 2026 21:05:26 +0100
Subject: [PATCH 1/6] Fix issue #173: update Cargo.toml

---
 Cargo.toml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Cargo.toml b/Cargo.toml
index 337a09d9..3f05c3e7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,9 @@ members = [
 ]
 resolver = "2"
 
+[workspace.package]
+rust-version = "1.82.0"
+
 [workspace.dependencies]
 soroban-sdk = "27.0.4"
 

From e70936a5cd54291a4fda572772a50a9b513ba22d Mon Sep 17 00:00:00 2001
From: Adeniyi eniola <chijiokejoseph20247@gmail.com>
Date: Wed, 26 Aug 2026 21:05:27 +0100
Subject: [PATCH 2/6] Fix issue #173: update
 contracts/receipt-anchor/Cargo.toml

---
 contracts/receipt-anchor/Cargo.toml | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/contracts/receipt-anchor/Cargo.toml b/contracts/receipt-anchor/Cargo.toml
index a3933d50..01e1c850 100644
--- a/contracts/receipt-anchor/Cargo.toml
+++ b/contracts/receipt-anchor/Cargo.toml
@@ -2,17 +2,16 @@
 name = "receipt-anchor"
 version = "0.2.0"
 edition = "2021"
-
-[lints]
-workspace = true
-
-
-[lib]
-crate-type = ["cdylib", "rlib"]
+rust-version.workspace = true
 
 [dependencies]
-soroban-sdk = { workspace = true }
+soroban-sdk.workspace = true
 
 [dev-dependencies]
-proptest = "1.4"
 soroban-sdk = { workspace = true, features = ["testutils"] }
+
+[lib]
+crate-type = ["lib"
+             ,
+             "cdylib"
+]

From ebb949abfde9da3091e7d0697aa51374de15ff81 Mon Sep 17 00:00:00 2001
From: Adeniyi eniola <chijiokejoseph20247@gmail.com>
Date: Wed, 26 Aug 2026 21:05:28 +0100
Subject: [PATCH 3/6] Fix issue #173: update contracts/refund-vault/Cargo.toml

---
 contracts/refund-vault/Cargo.toml | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/contracts/refund-vault/Cargo.toml b/contracts/refund-vault/Cargo.toml
index 0d297cc0..b95b4fdf 100644
--- a/contracts/refund-vault/Cargo.toml
+++ b/contracts/refund-vault/Cargo.toml
@@ -2,18 +2,16 @@
 name = "refund-vault"
 version = "0.2.0"
 edition = "2021"
-
-[lints]
-workspace = true
-
-
-[lib]
-crate-type = ["cdylib", "rlib"]
+rust-version.workspace = true
 
 [dependencies]
-soroban-sdk = { workspace = true }
+soroban-sdk.workspace = true
 
 [dev-dependencies]
-proptest = "1.4"
 soroban-sdk = { workspace = true, features = ["testutils"] }
-receipt-anchor = { path = "../receipt-anchor" }
+
+[lib]
+crate-type = ["lib"
+             ,
+             "cdylib"
+]

From a25a90d35774b86547362d6687e3110dcf864464 Mon Sep 17 00:00:00 2001
From: Adeniyi eniola <chijiokejoseph20247@gmail.com>
Date: Wed, 26 Aug 2026 21:05:29 +0100
Subject: [PATCH 4/6] Fix issue #173: update .github/workflows/ci.yml

---
 .github/workflows/ci.yml | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6dee63a..3e950ee6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,28 @@ on:
     branches: [ "main" ]
 
 jobs:
+  msrv:
+    name: msrv (1.82.0)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Rust MSRV
+        uses: dtolnay/rust-toolchain@1.82.0
+        with:
+          targets: wasm32v1-none
+      - name: Cache cargo
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-msrv-${{ hashFiles('**/Cargo.lock') }}
+      - name: Build and Test MSRV
+        run: |
+          cargo build --target wasm32v1-none --release
+          cargo test
+
   fmt:
     name: fmt
     runs-on: ubuntu-latest
@@ -75,6 +97,6 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
             target
-          key: ${{ runner.os }}-cargo-wasm-${{ hashFiles('**/Cargo.lock') }}
-      - name: Wasm build
+          key: ${{ runner.os }}-cargo-build-wasm-${{ hashFiles('**/Cargo.lock') }}
+      - name: Build WASM
         run: cargo build --target wasm32v1-none --release

From 1f35fcb916be72cb2693c4d2162c50e932c3adab Mon Sep 17 00:00:00 2001
From: Adeniyi eniola <chijiokejoseph20247@gmail.com>
Date: Thu, 27 Aug 2026 08:28:40 +0100
Subject: [PATCH 5/6] Fix PR #223: update contracts/receipt-anchor/Cargo.toml

---
 contracts/receipt-anchor/Cargo.toml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/contracts/receipt-anchor/Cargo.toml b/contracts/receipt-anchor/Cargo.toml
index 01e1c850..a652f2fe 100644
--- a/contracts/receipt-anchor/Cargo.toml
+++ b/contracts/receipt-anchor/Cargo.toml
@@ -9,6 +9,10 @@ soroban-sdk.workspace = true
 
 [dev-dependencies]
 soroban-sdk = { workspace = true, features = ["testutils"] }
+proptest.workspace = true
+
+[lints]
+workspace = true
 
 [lib]
 crate-type = ["lib"

From 2ed6805c45f9071b5d3f78e18793221d47892ec1 Mon Sep 17 00:00:00 2001
From: Adeniyi eniola <chijiokejoseph20247@gmail.com>
Date: Thu, 27 Aug 2026 08:28:41 +0100
Subject: [PATCH 6/6] Fix PR #223: update contracts/refund-vault/Cargo.toml

---
 contracts/refund-vault/Cargo.toml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/contracts/refund-vault/Cargo.toml b/contracts/refund-vault/Cargo.toml
index b95b4fdf..9161fc45 100644
--- a/contracts/refund-vault/Cargo.toml
+++ b/contracts/refund-vault/Cargo.toml
@@ -9,6 +9,11 @@ soroban-sdk.workspace = true
 
 [dev-dependencies]
 soroban-sdk = { workspace = true, features = ["testutils"] }
+proptest.workspace = true
+receipt-anchor = { path = "../receipt-anchor" }
+
+[lints]
+workspace = true
 
 [lib]
 crate-type = ["lib"