Configuration for RPC urls and Bitcoin wallet name
Daniel Karzel
3 years ago
parent
9eae0db9ac
commit
802dc61e7e
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use crate::fs::ensure_directory_exists;
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use anyhow::{Context, Result};
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use config::{Config, ConfigError};
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use dialoguer::{theme::ColorfulTheme, Input};
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use serde::{Deserialize, Serialize};
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use std::{
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ffi::OsStr,
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fs,
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path::{Path, PathBuf},
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};
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use tracing::info;
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use url::Url;
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pub mod seed;
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const DEFAULT_BITCOIND_TESTNET_URL: &str = "http://127.0.0.1:18332";
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const DEFAULT_MONERO_WALLET_RPC_TESTNET_URL: &str = "http://127.0.0.1:38083/json_rpc";
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#[derive(Clone, Debug, serde::Serialize, serde::Deserialize, PartialEq)]
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pub struct File {
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pub bitcoin: Bitcoin,
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pub monero: Monero,
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}
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impl File {
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pub fn read<D>(config_file: D) -> Result<Self, ConfigError>
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where
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D: AsRef<OsStr>,
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{
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let config_file = Path::new(&config_file);
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let mut config = Config::new();
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config.merge(config::File::from(config_file))?;
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config.try_into()
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}
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}
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#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
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#[serde(deny_unknown_fields)]
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pub struct Bitcoin {
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pub bitcoind_url: Url,
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pub wallet_name: String,
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}
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#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
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#[serde(deny_unknown_fields)]
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pub struct Monero {
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pub wallet_rpc_url: Url,
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}
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#[derive(thiserror::Error, Debug, Clone, Copy)]
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#[error("config not initialized")]
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pub struct ConfigNotInitialized {}
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pub fn read_config(config_path: PathBuf) -> Result<Result<File, ConfigNotInitialized>> {
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if config_path.exists() {
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info!(
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"Using config file at default path: {}",
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config_path.display()
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);
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} else {
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return Ok(Err(ConfigNotInitialized {}));
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}
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let file = File::read(&config_path)
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.with_context(|| format!("failed to read config file {}", config_path.display()))?;
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Ok(Ok(file))
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}
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pub fn initial_setup<F>(config_path: PathBuf, config_file: F) -> Result<()>
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where
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F: Fn() -> Result<File>,
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{
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info!("Config file not found, running initial setup...");
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ensure_directory_exists(config_path.as_path())?;
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let initial_config = config_file()?;
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let toml = toml::to_string(&initial_config)?;
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fs::write(&config_path, toml)?;
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info!(
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"Initial setup complete, config file created at {} ",
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config_path.as_path().display()
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);
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Ok(())
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}
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pub fn query_user_for_initial_testnet_config() -> Result<File> {
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println!();
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let bitcoind_url: String = Input::with_theme(&ColorfulTheme::default())
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.with_prompt("Enter Bitcoind URL (including username and password if applicable) or hit return to use default")
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.default(DEFAULT_BITCOIND_TESTNET_URL.to_owned())
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.interact_text()?;
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let bitcoind_url = Url::parse(bitcoind_url.as_str())?;
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let bitcoin_wallet_name: String = Input::with_theme(&ColorfulTheme::default())
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.with_prompt("Enter Bitcoind wallet name")
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.interact_text()?;
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let monero_wallet_rpc_url: String = Input::with_theme(&ColorfulTheme::default())
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.with_prompt("Enter Monero Wallet RPC URL or hit enter to use default")
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.default(DEFAULT_MONERO_WALLET_RPC_TESTNET_URL.to_owned())
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.interact_text()?;
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let monero_wallet_rpc_url = Url::parse(monero_wallet_rpc_url.as_str())?;
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println!();
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Ok(File {
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bitcoin: Bitcoin {
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bitcoind_url,
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wallet_name: bitcoin_wallet_name,
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},
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monero: Monero {
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wallet_rpc_url: monero_wallet_rpc_url,
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},
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})
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use std::str::FromStr;
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use tempfile::tempdir;
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#[test]
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fn config_roundtrip() {
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let temp_dir = tempdir().unwrap().path().to_path_buf();
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let config_path = Path::join(&temp_dir, "config.toml");
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let expected = File {
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bitcoin: Bitcoin {
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bitcoind_url: Url::from_str("http://127.0.0.1:18332").unwrap(),
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wallet_name: "alice".to_string(),
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},
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monero: Monero {
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wallet_rpc_url: Url::from_str("http://127.0.0.1:38083/json_rpc").unwrap(),
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},
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};
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initial_setup(config_path.clone(), || Ok(expected.clone())).unwrap();
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let actual = read_config(config_path).unwrap().unwrap();
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assert_eq!(expected, actual);
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}
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}
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