ic-query 0.83.0

Internet Computer query library for CloudEngine, NNS, SNS, ICRC, system canisters, and public network metadata
Documentation 
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use super::{NNS_NODE_LIST_REPORT_SCHEMA_VERSION, NnsNodeHostError, NnsNodeListReport};
use crate::report::CollectionSourceRequest;
use crate::{
    ic_registry::{MainnetNodeList, fetch_mainnet_node_list},
    nns::{LiveNnsSource, source::mainnet_registry_fetch_request},
};

///
/// NnsNodeSource
///
/// Source contract for fetching complete NNS node list reports.
///

pub trait NnsNodeSource: Sync {
    fn fetch_node_list_report<'a>(
        &'a self,
        request: &'a CollectionSourceRequest,
    ) -> crate::report::SourceFuture<'a, Result<NnsNodeListReport, NnsNodeHostError>>;
}

impl NnsNodeSource for LiveNnsSource {
    fn fetch_node_list_report<'a>(
        &'a self,
        request: &'a CollectionSourceRequest,
    ) -> crate::report::SourceFuture<'a, Result<NnsNodeListReport, NnsNodeHostError>> {
        Box::pin(async move {
            let fetch_request = mainnet_registry_fetch_request(request, |network| {
                NnsNodeHostError::UnsupportedNetwork { network }
            })?;
            Ok(node_report_from_list(
                fetch_mainnet_node_list(&fetch_request).await?,
            ))
        })
    }
}

fn node_report_from_list(list: MainnetNodeList) -> NnsNodeListReport {
    let nodes = list.nodes;
    NnsNodeListReport {
        schema_version: NNS_NODE_LIST_REPORT_SCHEMA_VERSION,
        provenance: list.provenance,
        node_count: nodes.len(),
        nodes,
    }
}