1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127

// Copyright 2024 MaidSafe.net limited.
//
// This SAFE Network Software is licensed to you under The General Public License (GPL), version 3.
// Unless required by applicable law or agreed to in writing, the SAFE Network Software distributed
// under the GPL Licence is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. Please review the Licences for the specific language governing
// permissions and limitations relating to use of the SAFE Network Software.

#[macro_use]
extern crate tracing;

mod api;
mod audit;
mod chunks;
mod error;
mod event;
mod faucet;
mod files;
mod folders;
mod register;
mod uploader;
mod wallet;

/// Test utils
#[cfg(feature = "test-utils")]
pub mod test_utils;

// re-export used crates to make them available to app builders
// this ensures the version of the crates used by the app builders are the same as the ones used by the client
// so they don't run into issues with incompatible types due to different versions of the same crate
pub use sn_networking as networking;
pub use sn_protocol as protocol;
pub use sn_registers as registers;
pub use sn_transfers as transfers;

const MAX_CONCURRENT_TASKS: usize = 32;

pub use self::{
    audit::{DagError, SpendDag, SpendDagGet, SpendFault},
    error::Error,
    event::{ClientEvent, ClientEventsBroadcaster, ClientEventsReceiver},
    faucet::{get_tokens_from_faucet, load_faucet_wallet_from_genesis_wallet},
    files::{
        download::{FilesDownload, FilesDownloadEvent},
        FilesApi, BATCH_SIZE,
    },
    folders::{FolderEntry, FoldersApi, Metadata},
    register::ClientRegister,
    uploader::{UploadCfg, UploadEvent, UploadSummary, Uploader},
    wallet::{broadcast_signed_spends, send, StoragePaymentResult, WalletClient},
};
pub(crate) use error::Result;

use sn_networking::Network;
use std::sync::Arc;

#[cfg(target_arch = "wasm32")]
use console_error_panic_hook;
#[cfg(target_arch = "wasm32")]
use wasm_bindgen::prelude::*;
#[cfg(target_arch = "wasm32")]
use web_sys::console;

// This is like the `main` function, except for JavaScript.
#[cfg(target_arch = "wasm32")]
#[wasm_bindgen(start)]
pub async fn main_js() -> std::result::Result<(), JsValue> {
    // This provides better error messages in debug mode.
    // It's disabled in release mode so it doesn't bloat up the file size.
    // #[cfg(debug_assertions)]
    console_error_panic_hook::set_once();

    console::log_1(&JsValue::from_str("Hello safe world!"));

    // Tracing
    // TODO: dont log _everything_
    // right now it logs all libp2p entirely.
    tracing_wasm::set_as_global_default();

    Ok(())
}

/// A quick client that only takes some peers to connect to
#[wasm_bindgen]
#[cfg(target_arch = "wasm32")]
pub async fn get_data(peer: &str, data_address: &str) -> std::result::Result<(), JsError> {
    let bytes = hex::decode(&data_address).expect("Input address is not a hex string");
    let xor_name = xor_name::XorName(
        bytes
            .try_into()
            .expect("Failed to parse XorName from hex string"),
    );

    use sn_protocol::storage::ChunkAddress;
    console::log_1(&JsValue::from_str(peer));

    let the_peer = sn_peers_acquisition::parse_peer_addr(peer)?;

    console::log_1(&JsValue::from_str(&format!(
        "Provided Peer was {the_peer:?}"
    )));

    // TODO: We need to tidy this up, the client loops forever in the browser, and eventually crashes
    // it does _do things_ but errors surface, and even after getting data, it continues...
    let client = Client::quick_start(Some(vec![the_peer]))
        .await
        .map_err(|e| JsError::new(&format!("Client could not start: {e:?}")))?;

    console::log_1(&JsValue::from_str("Client started {chunk:?}"));

    let chunk = client
        .get_chunk(ChunkAddress::new(xor_name), false, None)
        .await
        .map_err(|e| JsError::new(&format!("Client get data failed: {e:?}")))?;

    console::log_1(&JsValue::from_str(&format!("Data found {chunk:?}")));

    Ok(())
}

/// Client API implementation to store and get data.
#[derive(Clone)]
pub struct Client {
    network: Network,
    events_broadcaster: ClientEventsBroadcaster,
    signer: Arc<bls::SecretKey>,
}