soroban-cli 26.0.0

Soroban CLI
Documentation 
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use std::fmt::Debug;

use super::args::Args;
use crate::{
    commands::config::{self, locator},
    xdr::{
        AccountId, AlphaNum12, AlphaNum4, AssetCode, LedgerKey, LedgerKeyTrustLine, MuxedAccount,
        PublicKey, TrustLineAsset, Uint256,
    },
};
use clap::Parser;
use stellar_strkey::ed25519::PublicKey as Ed25519PublicKey;

#[derive(Parser, Debug, Clone)]
#[group(skip)]
pub struct Cmd {
    #[command(flatten)]
    pub args: Args,

    /// Account alias or address to lookup
    #[arg(long)]
    pub account: String,

    /// Assets to get trustline info for
    #[arg(long, required = true)]
    pub asset: Vec<String>,

    /// If account is a seed phrase use this hd path, default is 0
    #[arg(long)]
    pub hd_path: Option<usize>,
}

#[derive(thiserror::Error, Debug)]
pub enum Error {
    #[error(transparent)]
    Config(#[from] config::key::Error),
    #[error("provided asset is invalid: {0}")]
    InvalidAsset(String),
    #[error("provided data name is invalid: {0}")]
    InvalidDataName(String),
    #[error("native assets do not have trustlines")]
    NativeAsset,
    #[error(transparent)]
    Locator(#[from] locator::Error),
    #[error(transparent)]
    Run(#[from] super::args::Error),
}

impl Cmd {
    pub async fn run(&self) -> Result<(), Error> {
        let mut ledger_keys = vec![];
        self.insert_asset_keys(&mut ledger_keys)?;
        Ok(self.args.run(ledger_keys).await?)
    }

    fn insert_asset_keys(&self, ledger_keys: &mut Vec<LedgerKey>) -> Result<(), Error> {
        let acc = self.muxed_account(&self.account)?;
        for asset in &self.asset {
            let asset = if asset.contains(':') {
                let mut parts = asset.split(':');
                let code = parts.next().ok_or(Error::InvalidAsset(asset.clone()))?;
                let issuer = parts.next().ok_or(Error::InvalidAsset(asset.clone()))?;
                if parts.next().is_some() {
                    Err(Error::InvalidAsset(asset.clone()))?;
                }
                let source_bytes = Ed25519PublicKey::from_string(issuer)
                    .map_err(|_| Error::InvalidAsset(asset.clone()))?
                    .0;
                let issuer = AccountId(PublicKey::PublicKeyTypeEd25519(Uint256(source_bytes)));

                let asset_code: AssetCode = code
                    .parse()
                    .map_err(|_| Error::InvalidAsset(asset.clone()))?;
                match asset_code {
                    AssetCode::CreditAlphanum4(asset_code) => {
                        TrustLineAsset::CreditAlphanum4(AlphaNum4 { asset_code, issuer })
                    }
                    AssetCode::CreditAlphanum12(asset_code) => {
                        TrustLineAsset::CreditAlphanum12(AlphaNum12 { asset_code, issuer })
                    }
                }
            } else if matches!(asset.as_str(), "XLM" | "xlm" | "native") {
                Err(Error::NativeAsset)?
            } else {
                Err(Error::InvalidAsset(asset.clone()))?
            };

            let key = LedgerKey::Trustline(LedgerKeyTrustLine {
                account_id: acc.clone().account_id(),
                asset,
            });

            ledger_keys.push(key);
        }
        Ok(())
    }

    fn muxed_account(&self, account: &str) -> Result<MuxedAccount, Error> {
        Ok(self
            .args
            .locator
            .read_key(account)?
            .muxed_account(self.hd_path)?)
    }
}