canic-host 0.82.24

Host-side build, install, deployment, and fleet-template library for Canic workspaces
Documentation 
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

use crate::{
    icp::{IcpCli, IcpCommandError},
    response_parse::find_string_field,
};
use canic_core::protocol;
use std::path::Path;

const ICP_JSON_OUTPUT: &str = "json";

/// Query `canic_metadata` and return the reported Canic framework version.
pub fn query_canic_metadata_version(
    icp: &IcpCli,
    canister_id: &str,
    candid_path: Option<&Path>,
) -> Result<Option<String>, IcpCommandError> {
    let output = icp.canister_query_output_with_candid(
        canister_id,
        protocol::CANIC_METADATA,
        Some(ICP_JSON_OUTPUT),
        candid_path,
    )?;
    Ok(parse_canic_metadata_version_response(&output))
}

/// Parse a Canic framework version from `canic_metadata` command output.
#[must_use]
pub fn parse_canic_metadata_version_response(output: &str) -> Option<String> {
    serde_json::from_str::<serde_json::Value>(output)
        .ok()
        .and_then(|value| find_string_field(&value, "canic_version"))
}

#[cfg(test)]
mod tests;