sc_cli/commands/
build_spec_cmd.rs1use crate::{
20 error,
21 params::{NodeKeyParams, SharedParams},
22 CliConfiguration,
23};
24use clap::Parser;
25use log::info;
26use sc_network::config::build_multiaddr;
27use sc_service::{
28 config::{MultiaddrWithPeerId, NetworkConfiguration},
29 ChainSpec,
30};
31use std::io::Write;
32
33#[derive(Debug, Clone, Parser)]
35pub struct BuildSpecCmd {
36 #[arg(long)]
38 pub raw: bool,
39
40 #[arg(long)]
44 pub disable_default_bootnode: bool,
45
46 #[allow(missing_docs)]
47 #[clap(flatten)]
48 pub shared_params: SharedParams,
49
50 #[allow(missing_docs)]
51 #[clap(flatten)]
52 pub node_key_params: NodeKeyParams,
53}
54
55impl BuildSpecCmd {
56 pub fn run(
58 &self,
59 mut spec: Box<dyn ChainSpec>,
60 network_config: NetworkConfiguration,
61 ) -> error::Result<()> {
62 info!("Building chain spec");
63 let raw_output = self.raw;
64
65 if spec.boot_nodes().is_empty() && !self.disable_default_bootnode {
66 let keys = network_config.node_key.into_keypair()?;
67 let peer_id = keys.public().to_peer_id();
68 let addr = MultiaddrWithPeerId {
69 multiaddr: build_multiaddr![Ip4([127, 0, 0, 1]), Tcp(30333u16)],
70 peer_id: peer_id.into(),
71 };
72 spec.add_boot_node(addr)
73 }
74
75 let json = sc_service::chain_ops::build_spec(&*spec, raw_output)?;
76 if std::io::stdout().write_all(json.as_bytes()).is_err() {
77 let _ = std::io::stderr().write_all(b"Error writing to stdout\n");
78 }
79 Ok(())
80 }
81}
82
83impl CliConfiguration for BuildSpecCmd {
84 fn shared_params(&self) -> &SharedParams {
85 &self.shared_params
86 }
87
88 fn node_key_params(&self) -> Option<&NodeKeyParams> {
89 Some(&self.node_key_params)
90 }
91}