gsdk 2.0.0

Rust SDK of the Gear network
Documentation 
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// Copyright (C) Gear Technologies Inc.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0

use demo_ping::WASM_BINARY;
use futures::prelude::*;
use gear_core::ids::ActorId;
use gsdk::{Result, UserMessageSentFilter};
use std::convert::TryFrom;
use tokio::time::{Duration, timeout};
use utils::dev_node;

mod utils;

const SUBSCRIPTION_TIMEOUT: Duration = Duration::from_secs(5);

/// Running this test requires gear node to be built in advance.
#[tokio::test]
async fn subscribe_user_messages_receives_reply() -> Result<()> {
    let (_node, api) = dev_node().await;

    let destination =
        ActorId::try_from(api.account_id().as_ref()).expect("account id must be a valid ActorId");

    let mut subscription = api
        .subscribe_user_message_sent(
            UserMessageSentFilter::new()
                .with_destination(destination)
                .with_payload_prefix(b"PONG"),
        )
        .await?;

    let gas_limit = api.block_gas_limit()?;
    let salt = gear_utils::now_micros().to_le_bytes();

    // Upload `demo_ping` with payload that triggers the reply to the user.
    api.upload_program_bytes(WASM_BINARY, salt, b"PING".to_vec(), gas_limit, 0)
        .await?;

    let mut received = None;
    for _ in 0..10 {
        let next_event = timeout(SUBSCRIPTION_TIMEOUT, subscription.next())
            .await
            .expect("timed out waiting for user message event");

        match next_event {
            Some(Ok(event)) if event.destination == destination => {
                if event.payload == b"PONG" {
                    received = Some(event);
                    break;
                }
            }
            Some(Ok(_)) => continue,
            Some(Err(err)) => panic!("{err}"),
            None => break,
        }
    }

    let event = received.expect("expected user message reply");
    assert_eq!(event.payload, b"PONG");
    let reply = event.reply.expect("expected reply details");
    assert!(
        reply.code.is_success(),
        "expected successful reply code, got {:?}",
        reply.code
    );

    Ok(())
}