Fixes not working livenet examples.

Reenabled livenet tests.

.github/workflows/test.yml

@@ -18,6 +18,17 @@ jobs:
   test:
     name: Test
     runs-on: buildjet-8vcpu-ubuntu-2204
+    services:
+      casper-nctl:
+        image: makesoftware/casper-nctl:latest
+        options: --name mynctl
+        env:
+          PREDEFINED_ACCOUNTS: 'true'
+          MINIMUM_ROUND_EXPONENT: '12'
+          MAXIMUM_ROUND_EXPONENT: '14'
+          DEPLOY_DELAY: '12sec'
+        ports:
+          - 11101:11101
     steps:
       - name: Setup just
         uses: extractions/setup-just@v1
@@ -39,3 +50,5 @@ jobs:
         run: just prepare-test-env
       - name: Run tests
         run: just test
+      - name: Run livenet tests
+        run: just test-livenet

examples/bin/erc20_on_livenet.rs

@@ -1,3 +1,4 @@
+//! Deploys an ERC20 contract and transfers some tokens to another address.
 use odra::casper_types::U256;
 use odra::host::{Deployer, HostEnv, HostRef, HostRefLoader};
 use odra::Address;
@@ -21,18 +22,20 @@ fn main() {
     println!("Token name: {}", token.name());
 
     env.set_gas(3_000_000_000u64);
-    token.transfer(recipient, U256::from(1000));
+    token.transfer(&recipient, &U256::from(1000));
 
-    println!("Owner's balance: {:?}", token.balance_of(owner));
-    println!("Recipient's balance: {:?}", token.balance_of(recipient));
+    println!("Owner's balance: {:?}", token.balance_of(&owner));
+    println!("Recipient's balance: {:?}", token.balance_of(&recipient));
 }
 
+/// Loads an ERC20 contract.
 fn _load_erc20(env: &HostEnv) -> Erc20HostRef {
     let address = "hash-d26fcbd2106e37be975d2045c580334a6d7b9d0a241c2358a4db970dfd516945";
     let address = Address::from_str(address).unwrap();
     Erc20HostRef::load(env, address)
 }
 
+/// Deploys an ERC20 contract.
 pub fn deploy_erc20(env: &HostEnv) -> Erc20HostRef {
     let name = String::from("Plascoin");
     let symbol = String::from("PLS");

examples/bin/livenet_tests.rs

@@ -1,3 +1,4 @@
+//! This example demonstrates how to deploy and interact with a contract on the Livenet environment.
 use odra::casper_types::U256;
 use odra::host::{Deployer, HostEnv, HostRef, HostRefLoader};
 use odra::Address;
@@ -43,9 +44,9 @@ fn main() {
     assert_eq!(contract.immutable_cross_call(), 10_000.into());
 
     // - mutable crosscalls will require a deploy
-    let pre_call_balance = erc20.balance_of(env.caller());
+    let pre_call_balance = erc20.balance_of(&env.caller());
     contract.mutable_cross_call();
-    let post_call_balance = erc20.balance_of(env.caller());
+    let post_call_balance = erc20.balance_of(&env.caller());
     assert_eq!(post_call_balance, pre_call_balance + 1);
 
     // We can change the caller
@@ -62,7 +63,7 @@ fn deploy_new(env: &HostEnv) -> (LivenetContractHostRef, Erc20HostRef) {
         erc20_address: *erc20_contract.address()
     };
     let livenet_contract = LivenetContractHostRef::deploy(env, init_args);
-    erc20_contract.transfer(*livenet_contract.address(), 1000.into());
+    erc20_contract.transfer(livenet_contract.address(), &1000.into());
     (livenet_contract, erc20_contract)
 }
 
@@ -77,6 +78,7 @@ fn load(
     )
 }
 
+/// Deploys an ERC20 contract
 pub fn deploy_erc20(env: &HostEnv) -> Erc20HostRef {
     let name = String::from("Plascoin");
     let symbol = String::from("PLS");