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//! Moonbeam utilities

use std::collections::BTreeMap;

use generic_array::GenericArray;
use k256::SecretKey;

/// Returns the private developer keys <https://docs.moonbeam.network/builders/get-started/networks/moonbeam-dev/#pre-funded-development-accounts>
pub fn dev_keys() -> Vec<SecretKey> {
    MoonbeamDev::default().into_keys().collect()
}

/// Holds private developer keys with their names
#[derive(Debug, Clone)]
pub struct MoonbeamDev {
    keys: BTreeMap<&'static str, SecretKey>,
}

impl MoonbeamDev {
    pub fn keys(&self) -> impl Iterator<Item = &SecretKey> {
        self.keys.values()
    }

    pub fn into_keys(self) -> impl Iterator<Item = SecretKey> {
        self.keys.into_values()
    }

    /// Get a key by then, like `Alith`
    pub fn get(&self, name: impl AsRef<str>) -> Option<&SecretKey> {
        self.keys.get(name.as_ref())
    }

    pub fn alith(&self) -> &SecretKey {
        self.get("Alith").unwrap()
    }

    pub fn baltathar(&self) -> &SecretKey {
        self.get("Baltathar").unwrap()
    }

    pub fn charleth(&self) -> &SecretKey {
        self.get("Charleth").unwrap()
    }

    pub fn ethan(&self) -> &SecretKey {
        self.get("Ethan").unwrap()
    }
}

fn to_secret_key(s: &str) -> SecretKey {
    SecretKey::from_bytes(&GenericArray::clone_from_slice(&hex::decode(s).unwrap())).unwrap()
}

impl Default for MoonbeamDev {
    fn default() -> Self {
        Self {
            keys: BTreeMap::from([
                (
                    "Alith",
                    to_secret_key(
                        "5fb92d6e98884f76de468fa3f6278f8807c48bebc13595d45af5bdc4da702133",
                    ),
                ),
                (
                    "Baltathar",
                    to_secret_key(
                        "8075991ce870b93a8870eca0c0f91913d12f47948ca0fd25b49c6fa7cdbeee8b",
                    ),
                ),
                (
                    "Charleth",
                    to_secret_key(
                        "0b6e18cafb6ed99687ec547bd28139cafdd2bffe70e6b688025de6b445aa5c5b",
                    ),
                ),
                (
                    "Dorothy",
                    to_secret_key(
                        "39539ab1876910bbf3a223d84a29e28f1cb4e2e456503e7e91ed39b2e7223d68",
                    ),
                ),
                (
                    "Faith",
                    to_secret_key(
                        "b9d2ea9a615f3165812e8d44de0d24da9bbd164b65c4f0573e1ce2c8dbd9c8df",
                    ),
                ),
                (
                    "Goliath",
                    to_secret_key(
                        "96b8a38e12e1a31dee1eab2fffdf9d9990045f5b37e44d8cc27766ef294acf18",
                    ),
                ),
                (
                    "Heath",
                    to_secret_key(
                        "0d6dcaaef49272a5411896be8ad16c01c35d6f8c18873387b71fbc734759b0ab",
                    ),
                ),
                (
                    "Ida",
                    to_secret_key(
                        "4c42532034540267bf568198ccec4cb822a025da542861fcb146a5fab6433ff8",
                    ),
                ),
                (
                    "Judith",
                    to_secret_key(
                        "94c49300a58d576011096bcb006aa06f5a91b34b4383891e8029c21dc39fbb8b",
                    ),
                ),
            ]),
        }
    }
}