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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190

// Copyright 2019 Conflux Foundation. All rights reserved.
// Conflux is free software and distributed under GNU General Public License.
// See http://www.gnu.org/licenses/

use std::sync::Arc;

use parking_lot::{Condvar, Mutex};
use secret_store::SecretStore;

use jsonrpc_http_server::Server as HttpServer;
use jsonrpc_tcp_server::Server as TcpServer;
use jsonrpc_ws_server::Server as WsServer;

use crate::{
    common::{initialize_common_modules, ClientComponents},
    configuration::Configuration,
    rpc::{
        extractor::RpcExtractor, impls::light::RpcImpl,
        setup_debug_rpc_apis_light, setup_public_rpc_apis_light,
    },
};
use blockgen::BlockGenerator;
use cfxcore::{
    pow::PowComputer, ConsensusGraph, LightQueryService, NodeType,
    TransactionPool,
};
use malloc_size_of::{MallocSizeOf, MallocSizeOfOps};

pub struct LightClientExtraComponents {
    pub consensus: Arc<ConsensusGraph>,
    pub debug_rpc_http_server: Option<HttpServer>,
    pub debug_rpc_tcp_server: Option<TcpServer>,
    pub debug_rpc_ws_server: Option<WsServer>,
    pub light: Arc<LightQueryService>,
    pub rpc_http_server: Option<HttpServer>,
    pub rpc_tcp_server: Option<TcpServer>,
    pub rpc_ws_server: Option<WsServer>,
    pub secret_store: Arc<SecretStore>,
    pub txpool: Arc<TransactionPool>,
    pub pow: Arc<PowComputer>,
}

impl MallocSizeOf for LightClientExtraComponents {
    fn size_of(&self, _ops: &mut MallocSizeOfOps) -> usize { unimplemented!() }
}

pub struct LightClient {}

impl LightClient {
    // Start all key components of Conflux and pass out their handles
    pub fn start(
        mut conf: Configuration, exit: Arc<(Mutex<bool>, Condvar)>,
    ) -> Result<
        Box<ClientComponents<BlockGenerator, LightClientExtraComponents>>,
        String,
    > {
        let (
            _machine,
            secret_store,
            _genesis_accounts,
            data_man,
            pow,
            pos_verifier,
            txpool,
            consensus,
            sync_graph,
            network,
            common_impl,
            accounts,
            notifications,
            pubsub,
            eth_pubsub,
            _tokio_runtime,
        ) = initialize_common_modules(
            &mut conf,
            exit.clone(),
            NodeType::Light,
        )?;

        let light = Arc::new(LightQueryService::new(
            consensus.clone(),
            sync_graph.clone(),
            network.clone(),
            conf.raw_conf.throttling_conf.clone(),
            notifications,
            conf.light_node_config(),
        ));
        light.register().unwrap();

        sync_graph.recover_graph_from_db();

        let rpc_impl = Arc::new(RpcImpl::new(
            light.clone(),
            accounts,
            consensus.clone(),
            data_man.clone(),
        ));

        let debug_rpc_http_server = crate::rpc::start_http(
            conf.local_http_config(),
            setup_debug_rpc_apis_light(
                common_impl.clone(),
                rpc_impl.clone(),
                pubsub.clone(),
                eth_pubsub.clone(),
                &conf,
            ),
        )?;

        let debug_rpc_tcp_server = crate::rpc::start_tcp(
            conf.local_tcp_config(),
            setup_debug_rpc_apis_light(
                common_impl.clone(),
                rpc_impl.clone(),
                pubsub.clone(),
                eth_pubsub.clone(),
                &conf,
            ),
            RpcExtractor,
        )?;

        let rpc_tcp_server = crate::rpc::start_tcp(
            conf.tcp_config(),
            setup_public_rpc_apis_light(
                common_impl.clone(),
                rpc_impl.clone(),
                pubsub.clone(),
                eth_pubsub.clone(),
                &conf,
            ),
            RpcExtractor,
        )?;

        let debug_rpc_ws_server = crate::rpc::start_ws(
            conf.local_ws_config(),
            setup_public_rpc_apis_light(
                common_impl.clone(),
                rpc_impl.clone(),
                pubsub.clone(),
                eth_pubsub.clone(),
                &conf,
            ),
            RpcExtractor,
        )?;

        let rpc_ws_server = crate::rpc::start_ws(
            conf.ws_config(),
            setup_public_rpc_apis_light(
                common_impl.clone(),
                rpc_impl.clone(),
                pubsub.clone(),
                eth_pubsub.clone(),
                &conf,
            ),
            RpcExtractor,
        )?;

        let rpc_http_server = crate::rpc::start_http(
            conf.http_config(),
            setup_public_rpc_apis_light(
                common_impl,
                rpc_impl,
                pubsub.clone(),
                eth_pubsub.clone(),
                &conf,
            ),
        )?;

        network.start();

        Ok(Box::new(ClientComponents {
            data_manager_weak_ptr: Arc::downgrade(&data_man),
            blockgen: None,
            pos_handler: Some(pos_verifier),
            other_components: LightClientExtraComponents {
                consensus,
                debug_rpc_http_server,
                debug_rpc_tcp_server,
                debug_rpc_ws_server,
                light,
                rpc_http_server,
                rpc_tcp_server,
                rpc_ws_server,
                secret_store,
                txpool,
                pow,
            },
        }))
    }
}