multiversx_sc_snippets/interactor/
interactor_base.rs

1use crate::sdk::{data::network_config::NetworkConfig, wallet::Wallet};
2use multiversx_sc_scenario::{
3    imports::{Bech32Address, ScenarioRunner},
4    mandos_system::{run_list::ScenarioRunnerList, run_trace::ScenarioTraceFile},
5    meta::tools::find_current_workspace,
6    multiversx_sc::types::Address,
7};
8use multiversx_sdk::gateway::{GatewayAsyncService, NetworkConfigRequest, SetStateAccount};
9use std::{
10    collections::HashMap,
11    fs::File,
12    io::BufReader,
13    path::{Path, PathBuf},
14    time::Duration,
15};
16
17use crate::{account_tool::retrieve_account_as_scenario_set_state, Sender};
18
19pub const INTERACTOR_SCENARIO_TRACE_PATH: &str = "interactor_trace.scen.json";
20pub const INTERACTOR_SET_STATE_PATH: &str = "set_state.json";
21
22pub struct InteractorBase<GatewayProxy>
23where
24    GatewayProxy: GatewayAsyncService,
25{
26    pub proxy: GatewayProxy,
27    pub use_chain_simulator: bool,
28    pub network_config: NetworkConfig,
29    pub sender_map: HashMap<Address, Sender>,
30
31    pub waiting_time_ms: u64,
32    pub pre_runners: ScenarioRunnerList,
33    pub post_runners: ScenarioRunnerList,
34
35    pub current_dir: PathBuf,
36}
37
38impl<GatewayProxy> InteractorBase<GatewayProxy>
39where
40    GatewayProxy: GatewayAsyncService,
41{
42    /// Not yet changed for backwards compatibility.
43    pub async fn new(gateway_uri: &str) -> Self {
44        let proxy = GatewayProxy::from_uri(gateway_uri);
45        let network_config = proxy.request(NetworkConfigRequest).await.unwrap();
46        Self {
47            proxy,
48            use_chain_simulator: false,
49            network_config,
50            sender_map: HashMap::new(),
51            waiting_time_ms: 0,
52            pre_runners: ScenarioRunnerList::empty(),
53            post_runners: ScenarioRunnerList::empty(),
54            current_dir: PathBuf::default(),
55        }
56    }
57
58    pub fn use_chain_simulator(mut self, use_chain_simulator: bool) -> Self {
59        self.use_chain_simulator = use_chain_simulator;
60        self
61    }
62
63    pub async fn register_wallet(&mut self, wallet: Wallet) -> Address {
64        let address = wallet.to_address();
65
66        self.send_user_funds(&address.to_bech32(self.get_hrp()))
67            .await
68            .unwrap();
69        self.generate_blocks(1).await.unwrap();
70        self.sender_map.insert(
71            address.clone(),
72            Sender {
73                address: address.clone(),
74                hrp: self.network_config.address_hrp.clone(),
75                wallet,
76                current_nonce: None,
77            },
78        );
79        address
80    }
81
82    pub async fn sleep(&mut self, duration: Duration) {
83        let millis = duration.as_millis() as u64;
84        self.waiting_time_ms += millis;
85        self.proxy.sleep(millis).await;
86    }
87
88    pub async fn with_tracer<P: AsRef<Path>>(mut self, path: P) -> Self {
89        self.post_runners.push(ScenarioTraceFile::new(path));
90        self
91    }
92
93    pub async fn retrieve_account(&mut self, wallet_address: &Bech32Address) {
94        let (set_state_account, set_state_step) =
95            retrieve_account_as_scenario_set_state(&self.proxy, wallet_address).await;
96        self.pre_runners.run_set_state_step(&set_state_step);
97        self.post_runners.run_set_state_step(&set_state_step);
98
99        let path = self.get_state_file_path();
100        set_state_account.add_to_state_file(path.as_path());
101    }
102
103    pub fn get_state_file_path(&self) -> PathBuf {
104        self.current_dir.join(INTERACTOR_SET_STATE_PATH)
105    }
106
107    pub fn get_hrp(&self) -> &str {
108        &self.network_config.address_hrp
109    }
110
111    pub fn get_accounts_from_file(&self) -> Vec<SetStateAccount> {
112        let file_path = self.get_state_file_path();
113
114        if !file_path.exists() {
115            return Vec::new();
116        }
117
118        let file = File::open(file_path).expect("Failed to open state file");
119        let reader = BufReader::new(file);
120
121        serde_json::from_reader(reader).unwrap_or_else(|_| {
122            println!("Failed to parse state file; returning an empty list of accounts");
123            Vec::new()
124        })
125    }
126
127    /// Tells the interactor where the crate lies relative to the workspace.
128    /// This ensures that the paths are set correctly, including in debug mode.
129    pub fn set_current_dir_from_workspace(&mut self, relative_path: &str) -> &mut Self {
130        let mut path = find_current_workspace().unwrap();
131        path.push(relative_path);
132        self.current_dir = path;
133        self
134    }
135}