Curve Pools

Fetch 3pool at pool_address 0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7.

Code

Rust

use futures::StreamExt;
use std::{collections::HashSet, sync::Arc};
use pangea_client::{
    core::types::ChainId, query::Bound,
    ClientBuilder, Format, WsProvider,
    provider::CurveProvider, requests::curve::GetCrvPoolRequest, 
};
 
#[tokio::main]
async fn main() {
    dotenvy::dotenv_override().ok();
 
    let client = match ClientBuilder::default()
        .endpoint("app.pangea.foundation")
        .build::<WsProvider>()
        .await
    {
        Ok(client) => Arc::new(client),
        Err(e) => {
            eprintln!("Client failed to initialize:\n{e}");
            return;
        }
    };
 
    {
        let request = GetCrvPoolRequest { 
            chains: HashSet::from([ChainId::ETH]), 
            from_block: Bound::Exact(0), 
            to_block: Bound::Latest, 
            pool_address__in: HashSet::from(["0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7"
            .parse() 
            .unwrap()]), 
            ..Default::default() 
        }; 
        let stream = match client 
            .get_pools_by_format(request, Format::JsonStream, false) 
            .await
        {
            Ok(stream) => stream,
            Err(e) => {
                eprintln!("Request failed\n{e}");
                return;
            }
        };
 
        futures::pin_mut!(stream);
 
        while let Some(chunk) = stream.next().await {
            let chunk = String::from_utf8(chunk.unwrap()).unwrap();
            println!("{chunk}");
        }
    }
}

Response

[
  {
    "chain": 1,
    "owner": "0x6e8f6d1da6232d5e40b0b8758a0145d6c5123eb7",
    "token": "0x6c3f90f043a72fa612cbac8115ee7e52bde6e490",
    "token_decimals": 18,
    "token_name": "Curve.fi DAI/USDC/USDT",
    "token_symbol": "3Crv",
    "base_pool": "",
    "fee": "0x3d0900",
    "admin_fee": "0x0",
    "initial_a": "0x64",
    "future_a": "0x64",
    "initial_a_time": "0x0",
    "future_a_time": "0x0",
    "pool_address": "0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7",
    "n_coins": 3,
    "coin0": "0x6b175474e89094c44da98b954eedeac495271d0f",
    "coin1": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
    "coin2": "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "coin3": null,
    "coin4": null,
    "coin5": null,
    "coin0_decimals": 18,
    "coin1_decimals": 6,
    "coin2_decimals": 6,
    "coin3_decimals": null,
    "coin4_decimals": null,
    "coin5_decimals": null,
    "coin0_name": "Dai Stablecoin",
    "coin1_name": "USD//C",
    "coin2_name": "Tether USD",
    "coin3_name": null,
    "coin4_name": null,
    "coin5_name": null,
    "coin0_symbol": "DAI",
    "coin1_symbol": "USDC",
    "coin2_symbol": "USDT",
    "coin3_symbol": null,
    "coin4_symbol": null,
    "coin5_symbol": null,
    "base_coin0": null,
    "base_coin1": null,
    "base_coin2": null,
    "base_coin3": null,
    "base_coin4": null,
    "base_coin5": null,
    "base_coin0_decimals": null,
    "base_coin1_decimals": null,
    "base_coin2_decimals": null,
    "base_coin3_decimals": null,
    "base_coin4_decimals": null,
    "base_coin5_decimals": null,
    "base_coin0_name": null,
    "base_coin1_name": null,
    "base_coin2_name": null,
    "base_coin3_name": null,
    "base_coin4_name": null,
    "base_coin5_name": null,
    "base_coin0_symbol": null,
    "base_coin1_symbol": null,
    "base_coin2_symbol": null,
    "base_coin3_symbol": null,
    "base_coin4_symbol": null,
    "base_coin5_symbol": null,
    "underlying_coin0": null,
    "underlying_coin1": null,
    "underlying_coin2": null,
    "underlying_coin3": null,
    "underlying_coin4": null,
    "underlying_coin5": null,
    "underlying_coin0_decimals": null,
    "underlying_coin1_decimals": null,
    "underlying_coin2_decimals": null,
    "underlying_coin3_decimals": null,
    "underlying_coin4_decimals": null,
    "underlying_coin5_decimals": null,
    "underlying_coin0_name": null,
    "underlying_coin1_name": null,
    "underlying_coin2_name": null,
    "underlying_coin3_name": null,
    "underlying_coin4_name": null,
    "underlying_coin5_name": null,
    "underlying_coin0_symbol": null,
    "underlying_coin1_symbol": null,
    "underlying_coin2_symbol": null,
    "underlying_coin3_symbol": null,
    "underlying_coin4_symbol": null,
    "underlying_coin5_symbol": null
  }
]

Query Parameters

chains: Filters the data by specific blockchain networks.
from_block: Filters the data by a starting block number.
to_block: Filters the data by an ending block number.
pool_address__in: Filters the data by a list of pool_address.
token__in: Filters the data by a list of Curve LP token.
owner__in: Filters the data by a list of pool contract owner.
base_pool__in: Filters metapools by the base_pool address.
fee__gte: Filters the data by fee using the greater than or equal to operator.
fee__lte: Filters the data by fee using the less than or equal to operator.
admin_fee__gte: Filters the data by admin_fee using the greater than or equal to operator.
admin_fee__lte: Filters the data by admin_fee using the less than or equal to operator.
initial_a__gte: Filters the data by initial_a using the greater than or equal to operator.
initial_a__lte: Filters the data by initial_a using the less than or equal to operator.
future_a__gte: Filters the data by future_a using the greater than or equal to operator.
future_a__lte: Filters the data by future_a using the less than or equal to operator.
initial_a_time__gte: Filters the data by initial_a_time using the greater than or equal to operator.
initial_a_time__lte: Filters the data by initial_a_time using the less than or equal to operator.
future_a_time__gte: Filters the data by future_a_time using the greater than or equal to operator.
future_a_time__lte: Filters the data by future_a_time using the less than or equal to operator.
n_coins__gte: Filters the data by n_coins using the greater than or equal to operator.
n_coins__lte: Filters the data by n_coins using the less than or equal to operator.
coins__in: Filters the data by a list of coins.
base_coins__in: Filters metapools by a list of base_coins.