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KimiCodeSwitch/src-tauri/src/services/balance.rs
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feat(usage): v0.7.6 — OpenCode Go 套餐用量查询(5h/7天/30天三窗口)+ 插件市场入口暂时隐藏(功能保留)
2026-08-18 19:09:54 +08:00

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// Adapted from cc-switch (MIT, © Jason Young)
// https://github.com/farion1231/cc-switch
//! 供应商余额查询服务
//!
//! 支持 DeepSeek、StepFun、SiliconFlow、OpenRouter、Novita AI 的账户余额查询。
//!
//! 错误通道语义(与 cc-switch 一致):
//! - `Err(String)` = 瞬时传输失败(网络不可达/超时/读体中断)。前端 invoke reject,
//! 触发 retry 并保留上一次成功的 data(keep-last-good)。
//! - `Ok(success:false)` = 确定性失败(空 key/鉴权失败/非 2xx/响应体非法 JSON),
//! 直接透出错误文案。
//!
//! HTTP 调用与 JSON→UsageData 解析拆成纯函数,便于无 mock 单元测试。
use super::usage_types::{UsageData, UsageResult};
use std::time::Duration;
pub(crate) const REQUEST_TIMEOUT: Duration = Duration::from_secs(8);
/// 鉴权头形式:绝大多数供应商用 `Bearer <key>`;智谱套餐接口不加前缀(见 coding_plan)。
pub(crate) enum AuthStyle {
Bearer,
Raw,
}
/// GET 请求的归类结果。
pub(crate) enum Fetched {
/// 2xx 且响应体是合法 JSON。
Body(serde_json::Value),
/// 确定性失败(401/403/非 2xx/解析失败),调用方原样包成 Ok 返回。
Failed(UsageResult),
}
/// 统一的 GET + JSON 读取助手。瞬时失败(网络/超时/读体中断)返回 `Err`;
/// 确定性失败收进 `Fetched::Failed`。
///
/// 先 `bytes()` 再解析:读体失败(超时/连接中断)是瞬时 → Err;拿到完整响应体
/// 后解析失败才是确定性。reqwest 的 `.json()` 把读体错误也包成 decode,无法区分。
///
/// 默认不带 User-Agent;需要自定义 UA 的供应商(如 opencode.ai 有 Cloudflare
/// 1010 拦截,必须带浏览器 UA)走 [`get_json_with_ua`]。
pub(crate) async fn get_json(
url: &str,
api_key: &str,
auth: AuthStyle,
timeout: Duration,
) -> Result<Fetched, String> {
get_json_with_ua(url, api_key, auth, timeout, None).await
}
/// [`get_json`] 的 UA 变体:`user_agent` 为 `Some` 时设到 client 上。
/// 仅新增链路需要,现有调用方不受影响。
pub(crate) async fn get_json_with_ua(
url: &str,
api_key: &str,
auth: AuthStyle,
timeout: Duration,
user_agent: Option<&str>,
) -> Result<Fetched, String> {
let mut builder = reqwest::Client::builder().timeout(timeout);
if let Some(ua) = user_agent {
builder = builder.user_agent(ua);
}
let client = match builder.build() {
Ok(c) => c,
Err(e) => return Err(format!("Failed to build HTTP client: {e}")),
};
// 注意:api_key 只允许进请求头,严禁拼进 URL / 日志 / 错误信息。
let req = client.get(url).header("Accept", "application/json");
let req = match auth {
AuthStyle::Bearer => req.header("Authorization", format!("Bearer {api_key}")),
AuthStyle::Raw => req.header("Authorization", api_key),
};
let resp = match req.send().await {
Ok(r) => r,
Err(e) => return Err(format!("Network error: {e}")),
};
let status = resp.status();
if status == reqwest::StatusCode::UNAUTHORIZED || status == reqwest::StatusCode::FORBIDDEN {
return Ok(Fetched::Failed(UsageResult::failure(format!(
"Authentication failed (HTTP {status})"
))));
}
if !status.is_success() {
let body = resp.text().await.unwrap_or_default();
return Ok(Fetched::Failed(UsageResult::failure(format!(
"API error (HTTP {status}): {body}"
))));
}
let raw = match resp.bytes().await {
Ok(b) => b,
Err(e) => return Err(format!("Failed to read response: {e}")),
};
match serde_json::from_slice(&raw) {
Ok(v) => Ok(Fetched::Body(v)),
Err(e) => Ok(Fetched::Failed(UsageResult::failure(format!(
"Failed to parse response: {e}"
)))),
}
}
/// 解析 JSON 字段为 f64,兼容数字和字符串格式。
pub(crate) fn parse_f64_field(obj: &serde_json::Value, field: &str) -> Option<f64> {
obj.get(field).and_then(|v| {
v.as_f64()
.or_else(|| v.as_str().and_then(|s| s.parse().ok()))
})
}
// ── DeepSeek ────────────────────────────────────────────────
// GET https://api.deepseek.com/user/balance
// Response: { balance_infos: [{ currency, total_balance, ... }], is_available }
pub async fn query_deepseek(api_key: &str, timeout: Duration) -> Result<UsageResult, String> {
match get_json("https://api.deepseek.com/user/balance", api_key, AuthStyle::Bearer, timeout).await? {
Fetched::Body(body) => Ok(UsageResult::ok(parse_deepseek(&body))),
Fetched::Failed(err) => Ok(err),
}
}
fn parse_deepseek(body: &serde_json::Value) -> Vec<UsageData> {
let is_available = body
.get("is_available")
.and_then(|v| v.as_bool())
.unwrap_or(true);
let mut data = Vec::new();
if let Some(infos) = body.get("balance_infos").and_then(|v| v.as_array()) {
for info in infos {
let currency = info
.get("currency")
.and_then(|v| v.as_str())
.unwrap_or("CNY");
data.push(UsageData {
plan_name: Some(currency.to_string()),
remaining: parse_f64_field(info, "total_balance"),
is_valid: Some(is_available),
unit: Some(currency.to_string()),
..Default::default()
});
}
}
data
}
// ── StepFun ─────────────────────────────────────────────────
// GET https://api.stepfun.com/v1/accounts
// Response: { object, type, balance, total_cash_balance, total_voucher_balance }
pub async fn query_stepfun(api_key: &str, timeout: Duration) -> Result<UsageResult, String> {
match get_json("https://api.stepfun.com/v1/accounts", api_key, AuthStyle::Bearer, timeout).await? {
Fetched::Body(body) => Ok(UsageResult::ok(parse_stepfun(&body))),
Fetched::Failed(err) => Ok(err),
}
}
fn parse_stepfun(body: &serde_json::Value) -> Vec<UsageData> {
vec![UsageData {
plan_name: Some("StepFun".to_string()),
remaining: Some(parse_f64_field(body, "balance").unwrap_or(0.0)),
unit: Some("CNY".to_string()),
is_valid: Some(true),
..Default::default()
}]
}
// ── SiliconFlow ─────────────────────────────────────────────
// GET https://api.siliconflow.cn/v1/user/info (.cn;海外站 .com 单位 USD)
// Response: { code, data: { balance, chargeBalance, totalBalance, status } }
pub async fn query_siliconflow(api_key: &str, is_cn: bool, timeout: Duration) -> Result<UsageResult, String> {
let domain = if is_cn {
"api.siliconflow.cn"
} else {
"api.siliconflow.com"
};
let url = format!("https://{domain}/v1/user/info");
match get_json(&url, api_key, AuthStyle::Bearer, timeout).await? {
Fetched::Body(body) => Ok(match parse_siliconflow(&body, is_cn) {
Ok(data) => UsageResult::ok(data),
Err(err) => err,
}),
Fetched::Failed(err) => Ok(err),
}
}
fn parse_siliconflow(body: &serde_json::Value, is_cn: bool) -> Result<Vec<UsageData>, UsageResult> {
let data = match body.get("data") {
Some(d) => d,
None => {
return Err(UsageResult::failure(
"Missing 'data' field in response".to_string(),
))
}
};
let (plan_name, unit) = if is_cn {
("SiliconFlow", "CNY")
} else {
("SiliconFlow (EN)", "USD")
};
Ok(vec![UsageData {
plan_name: Some(plan_name.to_string()),
remaining: Some(parse_f64_field(data, "totalBalance").unwrap_or(0.0)),
unit: Some(unit.to_string()),
is_valid: Some(true),
..Default::default()
}])
}
// ── OpenRouter ──────────────────────────────────────────────
// GET https://openrouter.ai/api/v1/credits
// Response: { data: { total_credits, total_usage } }
pub async fn query_openrouter(api_key: &str, timeout: Duration) -> Result<UsageResult, String> {
match get_json(
"https://openrouter.ai/api/v1/credits",
api_key,
AuthStyle::Bearer,
timeout,
)
.await?
{
Fetched::Body(body) => Ok(UsageResult::ok(parse_openrouter(&body))),
Fetched::Failed(err) => Ok(err),
}
}
fn parse_openrouter(body: &serde_json::Value) -> Vec<UsageData> {
let data = body.get("data").unwrap_or(body);
let total_credits = parse_f64_field(data, "total_credits").unwrap_or(0.0);
let total_usage = parse_f64_field(data, "total_usage").unwrap_or(0.0);
let remaining = total_credits - total_usage;
vec![UsageData {
plan_name: Some("OpenRouter".to_string()),
remaining: Some(remaining),
total: Some(total_credits),
used: Some(total_usage),
unit: Some("USD".to_string()),
is_valid: Some(remaining > 0.0),
..Default::default()
}]
}
// ── Novita AI ───────────────────────────────────────────────
// GET https://api.novita.ai/v3/user/balance
// Response: { availableBalance, ... };金额单位 0.0001 USD,需 /10000。
pub async fn query_novita(api_key: &str, timeout: Duration) -> Result<UsageResult, String> {
match get_json(
"https://api.novita.ai/v3/user/balance",
api_key,
AuthStyle::Bearer,
timeout,
)
.await?
{
Fetched::Body(body) => Ok(UsageResult::ok(parse_novita(&body))),
Fetched::Failed(err) => Ok(err),
}
}
fn parse_novita(body: &serde_json::Value) -> Vec<UsageData> {
let available = parse_f64_field(body, "availableBalance").unwrap_or(0.0) / 10000.0;
vec![UsageData {
plan_name: Some("Novita AI".to_string()),
remaining: Some(available),
unit: Some("USD".to_string()),
is_valid: Some(available > 0.0),
..Default::default()
}]
}
// ── Kimi (Moonshot) 开放平台 ─────────────────────────────────
// GET https://api.moonshot.cn/v1/users/me/balance(国内站;国际站 api.moonshot.ai)
// 官方文档:https://platform.kimi.com/docs/api/balance
// Response: { code, data: { available_balance, voucher_balance, cash_balance }, scode, status }
// code != 0 或 status == false 为业务失败(确定性);available_balance 单位人民币元。
// 注:国际站货币单位未见于官方文档,先按 USD 处理,待实测确认(与 SiliconFlow 做法一致)。
pub async fn query_kimi(api_key: &str, is_cn: bool, timeout: Duration) -> Result<UsageResult, String> {
let domain = if is_cn {
"api.moonshot.cn"
} else {
"api.moonshot.ai"
};
let url = format!("https://{domain}/v1/users/me/balance");
match get_json(&url, api_key, AuthStyle::Bearer, timeout).await? {
Fetched::Body(body) => Ok(match parse_kimi(&body, is_cn) {
Ok(data) => UsageResult::ok(data),
Err(err) => err,
}),
Fetched::Failed(err) => Ok(err),
}
}
fn parse_kimi(body: &serde_json::Value, is_cn: bool) -> Result<Vec<UsageData>, UsageResult> {
// 业务级失败:code != 0 / status == false
if body.get("code").and_then(|v| v.as_i64()) != Some(0)
|| body.get("status").and_then(|v| v.as_bool()) == Some(false)
{
let msg = body
.get("scode")
.and_then(|v| v.as_str())
.unwrap_or("Unknown error");
return Err(UsageResult::failure(format!("API error: {msg}")));
}
let data = match body.get("data") {
Some(d) => d,
None => {
return Err(UsageResult::failure(
"Missing 'data' field in response".to_string(),
))
}
};
let available = parse_f64_field(data, "available_balance").unwrap_or(0.0);
Ok(vec![UsageData {
plan_name: Some("Kimi".to_string()),
remaining: Some(available),
unit: Some(if is_cn {
"CNY".to_string()
} else {
"USD".to_string()
}),
is_valid: Some(available > 0.0),
..Default::default()
}])
}
// ── NewAPI / OneAPI 中转站 ────────────────────────────────────
// GET {base_url}/api/user/self
// 头:Authorization: Bearer <access_token>(网页后台 Access Token,非 sk- key)
// New-Api-User: <user_id>
// Response: { success, message, data: { quota, used_quota, username, ... } }
// 金额换算:quota / quota_per_unit(从 {base_url}/api/status 拉取,站点可配,
// 典型 500000 = 1 货币单位)。display_in_currency=true 时单位按
// custom_currency_symbol(¥/$/¤),此处统一记 "credit" 由前端按 symbol 显示。
//
// 坑位(cc-switch 实测 + 本站验证):
// - sk- 推理令牌不能查本接口(401 invalid access token),必须网页 Access Token。
// - quota == 0 常表示"无限额度"(后台设置),不能显示成余额 0。
const DEFAULT_QUOTA_PER_UNIT: f64 = 500_000.0;
/// /api/status 的进程内缓存(key = base_url)。站点配置几乎不变,TTL 与
/// usage 缓存一致(5 分钟)足够。
static QUOTA_PER_UNIT_CACHE: std::sync::OnceLock<
std::sync::Mutex<std::collections::HashMap<String, (std::time::Instant, f64, String)>>,
> = std::sync::OnceLock::new();
fn quota_cache() -> &'static std::sync::Mutex<
std::collections::HashMap<String, (std::time::Instant, f64, String)>,
> {
QUOTA_PER_UNIT_CACHE.get_or_init(|| std::sync::Mutex::new(std::collections::HashMap::new()))
}
/// 拉取站点的 quota_per_unit 与货币符号;失败回退默认值。
async fn fetch_newapi_status(base_url: &str, timeout: Duration) -> (f64, String) {
let base = base_url.trim_end_matches('/');
{
let cache = quota_cache().lock().unwrap();
if let Some((ts, qpu, symbol)) = cache.get(base) {
if ts.elapsed() < std::time::Duration::from_secs(300) {
return (*qpu, symbol.clone());
}
}
}
let client = match reqwest::Client::builder()
.timeout(timeout)
.build()
{
Ok(c) => c,
Err(_) => return (DEFAULT_QUOTA_PER_UNIT, "USD".to_string()),
};
let url = format!("{base}/api/status");
let fallback = || (DEFAULT_QUOTA_PER_UNIT, "USD".to_string());
let result = match client.get(&url).send().await {
Ok(resp) if resp.status().is_success() => match resp.bytes().await {
Ok(raw) => match serde_json::from_slice::<serde_json::Value>(&raw) {
Ok(v) => {
let qpu = v
.get("data")
.and_then(|d| d.get("quota_per_unit"))
.and_then(|v| v.as_f64())
.filter(|&n| n > 0.0)
.unwrap_or(DEFAULT_QUOTA_PER_UNIT);
let symbol = v
.get("data")
.and_then(|d| d.get("custom_currency_symbol"))
.and_then(|v| v.as_str())
.unwrap_or("$")
.to_string();
(qpu, symbol)
}
Err(_) => fallback(),
},
Err(_) => fallback(),
},
_ => fallback(),
};
let mut cache = quota_cache().lock().unwrap();
cache.insert(
base.to_string(),
(std::time::Instant::now(), result.0, result.1.clone()),
);
result
}
pub async fn query_newapi(
base_url: &str,
access_token: &str,
user_id: &str,
timeout: Duration,
) -> Result<UsageResult, String> {
let base = base_url.trim_end_matches('/');
let url = format!("{base}/api/user/self");
let client = reqwest::Client::builder()
.timeout(timeout)
.build()
.map_err(|e| format!("Failed to build HTTP client: {e}"))?;
let resp = match client
.get(&url)
.header("Accept", "application/json")
.header("Authorization", format!("Bearer {access_token}"))
.header("New-Api-User", user_id)
.send()
.await
{
Ok(r) => r,
Err(e) => return Err(format!("Network error: {e}")),
};
let status = resp.status();
if status == reqwest::StatusCode::UNAUTHORIZED || status == reqwest::StatusCode::FORBIDDEN {
return Ok(UsageResult::failure(format!(
"Authentication failed (HTTP {status})"
)));
}
if !status.is_success() {
let body = resp.text().await.unwrap_or_default();
return Ok(UsageResult::failure(format!(
"API error (HTTP {status}): {body}"
)));
}
let raw = match resp.bytes().await {
Ok(b) => b,
Err(e) => return Err(format!("Failed to read response: {e}")),
};
let body: serde_json::Value = match serde_json::from_slice(&raw) {
Ok(v) => v,
Err(e) => {
return Ok(UsageResult::failure(format!(
"Failed to parse response: {e}"
)))
}
};
let (quota_per_unit, symbol) = fetch_newapi_status(base_url, timeout).await;
Ok(match parse_newapi(&body, quota_per_unit, &symbol) {
Ok(data) => UsageResult::ok(data),
Err(err) => err,
})
}
fn parse_newapi(
body: &serde_json::Value,
quota_per_unit: f64,
symbol: &str,
) -> Result<Vec<UsageData>, UsageResult> {
if body.get("success").and_then(|v| v.as_bool()) == Some(false) {
let msg = body
.get("message")
.and_then(|v| v.as_str())
.unwrap_or("Unknown error");
return Err(UsageResult::failure(format!("API error: {msg}")));
}
let data = match body.get("data") {
Some(d) => d,
None => {
return Err(UsageResult::failure(
"Missing 'data' field in response".to_string(),
))
}
};
let quota_raw = parse_f64_field(data, "quota").unwrap_or(0.0);
let used_raw = parse_f64_field(data, "used_quota").unwrap_or(0.0);
// quota == 0 && used == 0:站点把该令牌设为"无限额度",没有数值可显示。
if quota_raw == 0.0 && used_raw == 0.0 {
return Ok(vec![UsageData {
plan_name: Some("NewAPI".to_string()),
unit: Some(symbol.to_string()),
is_valid: Some(true),
..Default::default()
}]);
}
let remaining = quota_raw / quota_per_unit;
let used = used_raw / quota_per_unit;
let total = remaining + used;
Ok(vec![UsageData {
plan_name: Some("NewAPI".to_string()),
remaining: Some(remaining),
total: Some(total),
used: Some(used),
unit: Some(symbol.to_string()),
is_valid: Some(remaining > 0.0),
..Default::default()
}])
}
#[cfg(test)]
mod tests {
use super::*;
use serde_json::json;
#[test]
fn deepseek_maps_balance_infos() {
let body = json!({
"is_available": true,
"balance_infos": [
{ "currency": "CNY", "total_balance": "12.34" },
{ "currency": "USD", "total_balance": 5.0 }
]
});
let data = parse_deepseek(&body);
assert_eq!(data.len(), 2);
assert_eq!(data[0].plan_name.as_deref(), Some("CNY"));
assert_eq!(data[0].remaining, Some(12.34));
assert_eq!(data[0].unit.as_deref(), Some("CNY"));
assert_eq!(data[0].is_valid, Some(true));
assert_eq!(data[1].remaining, Some(5.0));
}
#[test]
fn stepfun_reads_balance() {
let body = json!({ "balance": 88.5 });
let data = parse_stepfun(&body);
assert_eq!(data[0].remaining, Some(88.5));
assert_eq!(data[0].unit.as_deref(), Some("CNY"));
}
#[test]
fn siliconflow_missing_data_is_deterministic_failure() {
let body = json!({ "code": 500 });
let err = parse_siliconflow(&body, true).unwrap_err();
assert!(!err.success);
assert!(err.error.unwrap().contains("Missing 'data'"));
}
#[test]
fn siliconflow_cn_and_en_units() {
let body = json!({ "data": { "totalBalance": "42.0" } });
let cn = parse_siliconflow(&body, true).unwrap();
let en = parse_siliconflow(&body, false).unwrap();
assert_eq!(cn[0].unit.as_deref(), Some("CNY"));
assert_eq!(en[0].unit.as_deref(), Some("USD"));
assert_eq!(cn[0].remaining, Some(42.0));
}
#[test]
fn openrouter_computes_remaining_credits() {
let body = json!({ "data": { "total_credits": 20.0, "total_usage": 7.5 } });
let data = parse_openrouter(&body);
assert_eq!(data[0].remaining, Some(12.5));
assert_eq!(data[0].total, Some(20.0));
assert_eq!(data[0].used, Some(7.5));
assert_eq!(data[0].is_valid, Some(true));
}
#[test]
fn novita_converts_ten_thousandth_usd() {
let body = json!({ "availableBalance": 123400 });
let data = parse_novita(&body);
assert_eq!(data[0].remaining, Some(12.34));
assert_eq!(data[0].unit.as_deref(), Some("USD"));
let zero = parse_novita(&json!({ "availableBalance": 0 }));
assert_eq!(zero[0].is_valid, Some(false));
}
#[test]
fn kimi_parses_balance() {
let body = json!({
"code": 0,
"data": {
"available_balance": 49.58894,
"voucher_balance": 46.58893,
"cash_balance": 3.00001
},
"scode": "0x0",
"status": true
});
let data = parse_kimi(&body, true).unwrap();
assert_eq!(data.len(), 1);
assert_eq!(data[0].plan_name.as_deref(), Some("Kimi"));
assert_eq!(data[0].remaining, Some(49.58894));
assert_eq!(data[0].unit.as_deref(), Some("CNY"));
assert_eq!(data[0].is_valid, Some(true));
}
#[test]
fn kimi_en_uses_usd_unit() {
let body = json!({ "code": 0, "data": { "available_balance": 12.5 }, "status": true });
let data = parse_kimi(&body, false).unwrap();
assert_eq!(data[0].unit.as_deref(), Some("USD"));
}
#[test]
fn kimi_business_error_is_deterministic_failure() {
let body = json!({ "code": 401, "scode": "0x191", "status": false });
let err = parse_kimi(&body, true).unwrap_err();
assert!(!err.success);
assert!(err.error.unwrap().contains("0x191"));
}
#[test]
fn kimi_missing_data_is_deterministic_failure() {
let body = json!({ "code": 0, "status": true });
let err = parse_kimi(&body, true).unwrap_err();
assert!(!err.success);
assert!(err.error.unwrap().contains("Missing 'data'"));
}
#[test]
fn kimi_zero_balance_is_invalid() {
let body = json!({ "code": 0, "data": { "available_balance": 0.0 }, "status": true });
let data = parse_kimi(&body, true).unwrap();
assert_eq!(data[0].is_valid, Some(false));
}
#[test]
fn newapi_parses_quota_with_unit_division() {
let body = json!({
"success": true,
"data": { "quota": 36_125_000, "used_quota": 2_500_000, "username": "alice" }
});
let data = parse_newapi(&body, 500_000.0, "¥").unwrap();
assert_eq!(data.len(), 1);
assert_eq!(data[0].plan_name.as_deref(), Some("NewAPI"));
assert_eq!(data[0].remaining, Some(72.25));
assert_eq!(data[0].used, Some(5.0));
assert_eq!(data[0].total, Some(77.25));
assert_eq!(data[0].unit.as_deref(), Some("¥"));
assert_eq!(data[0].is_valid, Some(true));
}
#[test]
fn newapi_business_error_is_deterministic_failure() {
let body = json!({ "success": false, "message": "Unauthorized, invalid access token" });
let err = parse_newapi(&body, 500_000.0, "¥").unwrap_err();
assert!(!err.success);
assert!(err.error.unwrap().contains("invalid access token"));
}
#[test]
fn newapi_missing_data_is_deterministic_failure() {
let body = json!({ "success": true });
let err = parse_newapi(&body, 500_000.0, "¥").unwrap_err();
assert!(err.error.unwrap().contains("Missing 'data'"));
}
#[test]
fn newapi_zero_quota_means_unlimited() {
let body = json!({ "success": true, "data": { "quota": 0, "used_quota": 0 } });
let data = parse_newapi(&body, 500_000.0, "$").unwrap();
assert_eq!(data.len(), 1);
assert_eq!(data[0].remaining, None);
assert_eq!(data[0].is_valid, Some(true));
}
#[test]
fn newapi_accepts_string_numbers() {
let body = json!({ "success": true, "data": { "quota": "500000", "used_quota": "100000" } });
let data = parse_newapi(&body, 500_000.0, "¥").unwrap();
assert_eq!(data[0].remaining, Some(1.0));
assert_eq!(data[0].used, Some(0.2));
}
}