fetcher: support new api

This commit is contained in:
nym21
2025-06-07 13:48:07 +02:00
parent fb3d8521cd
commit fa958b59bd
6 changed files with 194 additions and 182 deletions

View File

@@ -1,4 +1,7 @@
use std::ops::Add;
use std::{
fmt,
ops::{Add, Rem},
};
use serde::Serialize;
// use color_eyre::eyre::eyre;
@@ -77,3 +80,16 @@ impl CheckedSub for DateIndex {
self.0.checked_sub(rhs.0).map(Self)
}
}
impl Rem<usize> for DateIndex {
type Output = Self;
fn rem(self, rhs: usize) -> Self::Output {
Self(self.0 % rhs as u16)
}
}
impl fmt::Display for DateIndex {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}

View File

@@ -1,11 +1,15 @@
use brk_core::Date;
use brk_fetcher::Fetcher;
use brk_core::{Date, Height};
use brk_fetcher::{BRK, Fetcher};
fn main() -> color_eyre::Result<()> {
color_eyre::install()?;
brk_logger::init(None);
let mut brk = BRK::default();
dbg!(brk.get_from_height(Height::new(900_000))?);
dbg!(brk.get_from_date(Date::new(2025, 6, 7))?);
let mut fetcher = Fetcher::import(None)?;
dbg!(fetcher.get_date(Date::new(2025, 6, 5))?);

View File

@@ -0,0 +1,143 @@
use std::collections::BTreeMap;
use brk_core::{Cents, CheckedSub, Date, DateIndex, Height, OHLCCents};
use color_eyre::eyre::{ContextCompat, eyre};
use log::info;
use serde_json::Value;
use crate::{Close, Dollars, High, Low, Open, fetchers::retry};
#[derive(Default, Clone)]
pub struct BRK {
height_to_ohlc: BTreeMap<Height, Vec<OHLCCents>>,
dateindex_to_ohlc: BTreeMap<DateIndex, Vec<OHLCCents>>,
}
const API_URL: &str = "https://bitcoinresearchkit.org/api";
const RETRIES: usize = 10;
const CHUNK_SIZE: usize = 10_000;
impl BRK {
pub fn get_from_height(&mut self, height: Height) -> color_eyre::Result<OHLCCents> {
let key = height.checked_sub(height % CHUNK_SIZE).unwrap();
#[allow(clippy::map_entry)]
if !self.height_to_ohlc.contains_key(&key)
|| ((key + self.height_to_ohlc.get(&key).unwrap().len()) <= height)
{
self.height_to_ohlc.insert(
key,
Self::fetch_height_prices(key).inspect_err(|e| {
dbg!(e);
})?,
);
}
self.height_to_ohlc
.get(&key)
.unwrap()
.get(usize::from(height.checked_sub(key).unwrap()))
.cloned()
.ok_or(eyre!("Couldn't find height in kibo"))
}
fn fetch_height_prices(height: Height) -> color_eyre::Result<Vec<OHLCCents>> {
info!("Fetching Kibo height {height} prices...");
retry(
|_| {
let url = format!(
"{API_URL}/query?index=height&values=ohlc&from={}&to={}",
height,
height + CHUNK_SIZE
);
let body: Value = minreq::get(url).send()?.json()?;
body.as_array()
.context("Expect to be an array")?
.iter()
.map(Self::value_to_ohlc)
.collect::<Result<Vec<_>, _>>()
},
30,
RETRIES,
)
}
pub fn get_from_date(&mut self, date: Date) -> color_eyre::Result<OHLCCents> {
let dateindex = DateIndex::try_from(date)?;
let key = dateindex.checked_sub(dateindex % CHUNK_SIZE).unwrap();
#[allow(clippy::map_entry)]
if !self.dateindex_to_ohlc.contains_key(&key)
|| ((key + self.dateindex_to_ohlc.get(&key).unwrap().len()) <= dateindex)
{
self.dateindex_to_ohlc.insert(
key,
Self::fetch_date_prices(key).inspect_err(|e| {
dbg!(e);
})?,
);
}
self.dateindex_to_ohlc
.get(&key)
.unwrap()
.get(usize::from(dateindex.checked_sub(key).unwrap()))
.cloned()
.ok_or(eyre!("Couldn't find date in kibo"))
}
fn fetch_date_prices(dateindex: DateIndex) -> color_eyre::Result<Vec<OHLCCents>> {
info!("Fetching Kibo dateindex {dateindex} prices...");
retry(
|_| {
let url = format!(
"{API_URL}/query?index=dateindex&values=ohlc&from={}&to={}",
dateindex,
dateindex + CHUNK_SIZE
);
let body: Value = minreq::get(url).send()?.json()?;
body.as_array()
.context("Expect to be an array")?
.iter()
.map(Self::value_to_ohlc)
.collect::<Result<Vec<_>, _>>()
},
30,
RETRIES,
)
}
fn value_to_ohlc(value: &Value) -> color_eyre::Result<OHLCCents> {
let ohlc = value.as_array().context("Expect as_array to work")?;
let get_value = |index: usize| -> color_eyre::Result<_> {
Ok(Cents::from(Dollars::from(
ohlc.get(index)
.context("Expect index key to work")?
.as_f64()
.context("Expect as_f64 to work")?,
)))
};
Ok(OHLCCents::from((
Open::new(get_value(0)?),
High::new(get_value(1)?),
Low::new(get_value(2)?),
Close::new(get_value(3)?),
)))
}
pub fn clear(&mut self) {
self.height_to_ohlc.clear();
self.dateindex_to_ohlc.clear();
}
}

View File

@@ -1,155 +0,0 @@
use std::{collections::BTreeMap, str::FromStr};
use brk_core::{CheckedSub, Date, Height, OHLCCents};
use color_eyre::eyre::{ContextCompat, eyre};
use log::info;
use serde_json::Value;
use crate::{Cents, Close, Dollars, High, Low, Open, fetchers::retry};
#[derive(Default, Clone)]
pub struct Kibo {
height_to_ohlc_vec: BTreeMap<Height, Vec<OHLCCents>>,
year_to_date_to_ohlc: BTreeMap<u16, BTreeMap<Date, OHLCCents>>,
}
const KIBO_OFFICIAL_URL: &str = "https://kibo.money/api";
const RETRIES: usize = 10;
impl Kibo {
pub fn get_from_height(&mut self, height: Height) -> color_eyre::Result<OHLCCents> {
let key = height.checked_sub(height % 10_000).unwrap_or_default();
#[allow(clippy::map_entry)]
if !self.height_to_ohlc_vec.contains_key(&key)
|| ((key + self.height_to_ohlc_vec.get(&key).unwrap().len()) <= height)
{
self.height_to_ohlc_vec.insert(
key,
Self::fetch_height_prices(key).inspect_err(|e| {
dbg!(e);
})?,
);
}
self.height_to_ohlc_vec
.get(&key)
.unwrap()
.get(usize::from(height.checked_sub(key).unwrap()))
.cloned()
.ok_or(eyre!("Couldn't find height in kibo"))
}
fn fetch_height_prices(height: Height) -> color_eyre::Result<Vec<OHLCCents>> {
info!("Fetching Kibo height {height} prices...");
retry(
|_| {
let url = format!("{KIBO_OFFICIAL_URL}/height-to-price?chunk={}", height);
let body: Value = minreq::get(url).send()?.json()?;
body.as_object()
.context("Expect to be an object")?
.get("dataset")
.context("Expect object to have dataset")?
.as_object()
.context("Expect to be an object")?
.get("map")
.context("Expect to have map")?
.as_array()
.context("Expect to be an array")?
.iter()
.map(Self::value_to_ohlc)
.collect::<Result<Vec<_>, _>>()
},
30,
RETRIES,
)
}
pub fn get_from_date(&mut self, date: &Date) -> color_eyre::Result<OHLCCents> {
let year = date.year();
#[allow(clippy::map_entry)]
if !self.year_to_date_to_ohlc.contains_key(&year)
|| self
.year_to_date_to_ohlc
.get(&year)
.unwrap()
.last_key_value()
.unwrap()
.0
<= date
{
self.year_to_date_to_ohlc
.insert(year, Self::fetch_date_prices(year)?);
}
self.year_to_date_to_ohlc
.get(&year)
.unwrap()
.get(date)
.cloned()
.ok_or(eyre!("Couldn't find date in kibo"))
}
fn fetch_date_prices(year: u16) -> color_eyre::Result<BTreeMap<Date, OHLCCents>> {
info!("Fetching Kibo date {year} prices...");
retry(
|_| {
let body: Value =
minreq::get(format!("{KIBO_OFFICIAL_URL}/date-to-price?chunk={}", year))
.send()?
.json()?;
body.as_object()
.context("Expect to be an object")?
.get("dataset")
.context("Expect object to have dataset")?
.as_object()
.context("Expect to be an object")?
.get("map")
.context("Expect to have map")?
.as_object()
.context("Expect to be an object")?
.iter()
.map(|(serialized_date, value)| -> color_eyre::Result<_> {
let date =
Date::from(jiff::civil::Date::from_str(serialized_date).unwrap());
Ok((date, Self::value_to_ohlc(value)?))
})
.collect::<Result<BTreeMap<_, _>, _>>()
},
30,
RETRIES,
)
}
fn value_to_ohlc(value: &Value) -> color_eyre::Result<OHLCCents> {
let ohlc = value.as_object().context("Expect as_object to work")?;
let get_value = |key: &str| -> color_eyre::Result<_> {
Ok(Cents::from(Dollars::from(
ohlc.get(key)
.context("Expect get key to work")?
.as_f64()
.context("Expect as_f64 to work")?,
)))
};
Ok(OHLCCents::from((
Open::new(get_value("open")?),
High::new(get_value("high")?),
Low::new(get_value("low")?),
Close::new(get_value("close")?),
)))
}
pub fn clear(&mut self) {
self.height_to_ohlc_vec.clear();
self.year_to_date_to_ohlc.clear();
}
}

View File

@@ -1,9 +1,9 @@
mod binance;
// mod kibo;
mod brk;
mod kraken;
mod retry;
pub use binance::*;
// pub use kibo::*;
pub use brk::*;
pub use kraken::*;
use retry::*;

View File

@@ -10,7 +10,7 @@ use color_eyre::eyre::Error;
mod fetchers;
use fetchers::*;
pub use fetchers::*;
use log::info;
const TRIES: usize = 12 * 60;
@@ -19,7 +19,7 @@ const TRIES: usize = 12 * 60;
pub struct Fetcher {
binance: Binance,
kraken: Kraken,
// kibo: Kibo,
brk: BRK,
}
impl Fetcher {
@@ -31,7 +31,7 @@ impl Fetcher {
Ok(Self {
binance: Binance::init(hars_path),
kraken: Kraken::default(),
// kibo: Kibo::default(),
brk: BRK::default(),
})
}
@@ -46,6 +46,10 @@ impl Fetcher {
// eprintln!("{e}");
self.kraken.get_from_1d(&date)
})
.or_else(|_| {
// eprintln!("{e}");
self.brk.get_from_date(date)
})
.or_else(|e| {
sleep(Duration::from_secs(60));
@@ -94,28 +98,28 @@ impl Fetcher {
.get_from_1mn(timestamp, previous_timestamp)
.unwrap_or_else(|_report| {
// // eprintln!("{_report}");
// self.kibo.get_from_height(height).unwrap_or_else(|_report| {
// eprintln!("{_report}");
self.brk.get_from_height(height).unwrap_or_else(|_report| {
// eprintln!("{_report}");
sleep(Duration::from_secs(60));
sleep(Duration::from_secs(60));
if tries < TRIES {
self.clear();
if tries < TRIES {
self.clear();
info!("Retrying to fetch height prices...");
// dbg!((height, timestamp, previous_timestamp));
info!("Retrying to fetch height prices...");
// dbg!((height, timestamp, previous_timestamp));
return self
.get_height_(height, timestamp, previous_timestamp, tries + 1)
.unwrap();
}
return self
.get_height_(height, timestamp, previous_timestamp, tries + 1)
.unwrap();
}
info!("Failed to fetch height prices");
info!("Failed to fetch height prices");
let date = Date::from(timestamp);
// eprintln!("{e}");
panic!(
"
let date = Date::from(timestamp);
// eprintln!("{e}");
panic!(
"
Can't find the price for: height: {height} - date: {date}
1mn APIs are limited to the last 16 hours for Binance's and the last 10 hours for Kraken's
How to fix this:
@@ -130,8 +134,8 @@ How to fix this:
8. Export to a har file (if there is no explicit button, click on the cog button)
9. Move the file to 'parser/imports/binance.har'
"
)
// })
)
})
})
});
@@ -182,7 +186,7 @@ How to fix this:
pub fn clear(&mut self) {
self.binance.clear();
// self.kibo.clear();
self.brk.clear();
self.kraken.clear();
}
}