update contracts

First:

    rm -rf contracts && \
    stellar contract init --with-example atomic_swap auth errors hello_world increment token

Then, update versions in Cargo.toml

Cargo.toml

@@ -5,7 +5,7 @@ members = [
 ]
 
 [workspace.dependencies]
-soroban-sdk = "20.0.0"
+soroban-sdk = "21.1.1"
 
 [profile.release]
 opt-level = "z"

contracts/atomic_swap/Cargo.toml

@@ -1,10 +1,7 @@
 [package]
 name = "soroban-atomic-swap-contract"
 version = "0.0.0"
-authors = ["Stellar Development Foundation <[email protected]>"]
-license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.74.0"
 publish = false
 
 [lib]
@@ -14,5 +11,5 @@ doctest = false
 [dependencies]
 soroban-sdk = { workspace = true }
 
-[dev_dependencies]
-soroban-sdk = { workspace = true }
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }

contracts/auth/Cargo.toml

@@ -2,7 +2,6 @@
 name = "soroban-auth-contract"
 version = "0.0.0"
 edition = "2021"
-rust-version = "1.74.0"
 publish = false
 
 [lib]
@@ -11,5 +10,5 @@ crate-type = ["cdylib"]
 [dependencies]
 soroban-sdk = { workspace = true }
 
-[dev_dependencies]
-soroban-sdk = { workspace = true }
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }

contracts/errors/Cargo.toml

@@ -1,10 +1,7 @@
 [package]
 name = "soroban-errors-contract"
 version = "0.0.0"
-authors = ["Stellar Development Foundation <[email protected]>"]
-license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.74.0"
 publish = false
 
 [lib]
@@ -14,5 +11,5 @@ doctest = false
 [dependencies]
 soroban-sdk = { workspace = true }
 
-[dev_dependencies]
-soroban-sdk = { workspace = true }
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }

contracts/hello_world/Cargo.toml

@@ -1,10 +1,7 @@
 [package]
-name = "soroban-hello-world-contract"
+name = "hello-world"
 version = "0.0.0"
-authors = ["Stellar Development Foundation <[email protected]>"]
-license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.74.0"
 publish = false
 
 [lib]
@@ -14,5 +11,5 @@ doctest = false
 [dependencies]
 soroban-sdk = { workspace = true }
 
-[dev_dependencies]
-soroban-sdk = { workspace = true }
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }

contracts/increment/Cargo.toml

@@ -1,10 +1,7 @@
 [package]
 name = "soroban-increment-contract"
 version = "0.0.0"
-authors = ["Stellar Development Foundation <[email protected]>"]
-license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.74.0"
 publish = false
 
 [lib]
@@ -14,5 +11,5 @@ doctest = false
 [dependencies]
 soroban-sdk = { workspace = true }
 
-[dev_dependencies]
-soroban-sdk = { workspace = true }
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }

contracts/token/Cargo.toml

@@ -3,14 +3,13 @@ name = "soroban-token-contract"
 description = "Soroban standard token contract"
 version = "0.0.6"
 edition = "2021"
-rust-version = "1.74.0"
 
 [lib]
 crate-type = ["cdylib"]
 
 [dependencies]
 soroban-sdk = { workspace = true }
-soroban-token-sdk = { version = "20.2.0" }
+soroban-token-sdk = { version = "21.1.1" }
 
-[dev_dependencies]
-soroban-sdk = { workspace = true }
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }

contracts/token/src/contract.rs

@@ -28,8 +28,8 @@ impl Token {
             panic!("already initialized")
         }
         write_administrator(&e, &admin);
-        if decimal > u8::MAX.into() {
-            panic!("Decimal must fit in a u8");
+        if decimal > 18 {
+            panic!("Decimal must not be greater than 18");
         }
 
         write_metadata(

contracts/token/src/storage_types.rs

@@ -25,7 +25,6 @@ pub struct AllowanceValue {
 pub enum DataKey {
     Allowance(AllowanceDataKey),
     Balance(Address),
-    Nonce(Address),
     State(Address),
     Admin,
 }

contracts/token/src/test.rs

@@ -242,17 +242,12 @@ fn initialize_already_initialized() {
 }
 
 #[test]
-#[should_panic(expected = "Decimal must fit in a u8")]
-fn decimal_is_over_max() {
+#[should_panic(expected = "Decimal must not be greater than 18")]
+fn decimal_is_over_eighteen() {
     let e = Env::default();
     let admin = Address::generate(&e);
     let token = TokenClient::new(&e, &e.register_contract(None, Token {}));
-    token.initialize(
-        &admin,
-        &(u32::from(u8::MAX) + 1),
-        &"name".into_val(&e),
-        &"symbol".into_val(&e),
-    );
+    token.initialize(&admin, &19, &"name".into_val(&e), &"symbol".into_val(&e));
 }
 
 #[test]