@defisaver/curvefi-api
v2.58.6
Published
JavaScript library for curve.fi
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Keywords
Readme
Curve JS
Setup
Install from npm:
npm install @curvefi/api
Init
import curve from "@curvefi/api";
(async () => {
// 1. Dev
await curve.init('JsonRpc', {url: 'http://localhost:8545/', privateKey: ''}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0, chainId: 1 });
// OR
await curve.init('JsonRpc', {}, {}); // In this case JsonRpc url, privateKey, fee data and chainId will be specified automatically
// 2. Infura
await curve.init("Infura", { network: "homestead", apiKey: <INFURA_KEY> }, { chainId: 1 });
// 3. Web3 provider
await curve.init('Web3', { externalProvider: <WEB3_PROVIDER> }, { chainId: 1 });
// Fetch factory pools
await curve.factory.fetchPools();
await curve.crvUSDFactory.fetchPools();
await curve.EYWAFactory.fetchPools();
await curve.cryptoFactory.fetchPools();
await curve.twocryptoFactory.fetchPools();
await curve.tricryptoFactory.fetchPools();
await curve.stableNgFactory.fetchPools();
})()Note 1. chainId parameter is optional, but you must specify it in the case you use Metamask on localhost network, because Metamask has that bug
Note 2. Web3 init requires the address. Therefore, it can be initialized only after receiving the address.
Wrong ❌️
import type { FunctionComponent } from 'react'
import { useState, useMemo } from 'react'
import { providers } from 'ethers'
import Onboard from 'bnc-onboard'
import type { Wallet } from 'bnc-onboard/dist/src/interfaces'
import curve from '@curvefi/api'
...
const WalletProvider: FunctionComponent = ({ children }) => {
const [wallet, setWallet] = useState<Wallet>()
const [provider, setProvider] = useState<providers.Web3Provider>()
const [address, setAddress] = useState<string>()
const networkId = 1
const onboard = useMemo(
() =>
Onboard({
dappId: DAPP_ID,
networkId,
subscriptions: {
address: (address) => {
setAddress(address)
},
wallet: (wallet) => {
setWallet(wallet)
if (wallet.provider) {
curve.init("Web3", { externalProvider: wallet.provider }, { chainId: networkId })
}
},
},
walletSelect: {
wallets: wallets,
},
}),
[]
)
...Right ✔️
import type { FunctionComponent } from 'react'
import { useState, useMemo, useEffect } from 'react'
import { providers } from 'ethers'
import Onboard from 'bnc-onboard'
import type { Wallet } from 'bnc-onboard/dist/src/interfaces'
import curve from '@curvefi/api'
...
const WalletProvider: FunctionComponent = ({ children }) => {
const [wallet, setWallet] = useState<Wallet>()
const [provider, setProvider] = useState<providers.Web3Provider>()
const [address, setAddress] = useState<string>()
const networkId = 1
const onboard = useMemo(
() =>
Onboard({
dappId: DAPP_ID,
networkId,
subscriptions: {
address: (address) => {
setAddress(address)
},
wallet: (wallet) => {
setWallet(wallet)
},
},
walletSelect: {
wallets: wallets,
},
}),
[]
)
useEffect(() => {
if (address && wallet?.provider) {
curve.init("Web3", { externalProvider: wallet.provider }, { chainId: networkId })
}
}, [address, wallet?.provider]);
...Notes
- 1 Amounts can be passed in args either as numbers or strings.
- 2 depositOrWithdrawBonus and swapPriceImpact methods return %, e. g. 0 < bonus/priceImpact <= 100
- 3 Slippage arg should be passed as %, e. g. 0 < slippage <= 100
General methods
import curve from "@curvefi/api";
(async () => {
await curve.getTVL();
// 7870819849.685552
await curve.getVolume();
// {
// totalVolume: 514893871.3481678,
// cryptoVolume: 162757004.96876568,
// cryptoShare: 31.609815930147377
// }
const balances1 = await curve.getBalances(['DAI', 'sUSD']);
// OR const balances1 = await curve.getBalances(['0x6B175474E89094C44Da98b954EedeAC495271d0F', '0x57Ab1ec28D129707052df4dF418D58a2D46d5f51']);
console.log(balances1);
// [ '10000.0', '0.0' ]
// You can specify addresses
const balances2 = await curve.getBalances(['aDAI', 'aSUSD'], "0x0063046686E46Dc6F15918b61AE2B121458534a5", "0x66aB6D9362d4F35596279692F0251Db635165871");
// OR const balances2 = await curve.getBalances(['0x028171bCA77440897B824Ca71D1c56caC55b68A3', '0x6c5024cd4f8a59110119c56f8933403a539555eb'], ["0x0063046686E46Dc6F15918b61AE2B121458534a5", "0x66aB6D9362d4F35596279692F0251Db635165871"]);
console.log(balances2);
// {
// '0x0063046686E46Dc6F15918b61AE2B121458534a5': [ '0.0', '0.0' ],
// '0x66aB6D9362d4F35596279692F0251Db635165871': [ '0.0', '0.0' ]
// }
const spender = "0xbEbc44782C7dB0a1A60Cb6fe97d0b483032FF1C7" // 3pool swap address
await curve.getAllowance(["DAI", "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"], curve.signerAddress, spender);
// [ '0.0', '0.0' ]
await curve.hasAllowance(["DAI", "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"], ['1000', '1000'], curve.signerAddress, spender);
// false
await curve.ensureAllowance(["DAI", "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"], ['1000', '1000'], spender);
// [
// '0xb0cada2a2983dc0ed85a26916d32b9caefe45fecde47640bd7d0e214ff22aed3',
// '0x00ea7d827b3ad50ce933e96c579810cd7e70d66a034a86ec4e1e10005634d041'
// ]
})()Pools
Available pools
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
await curve.factory.fetchPools();
await curve.crvUSDFactory.fetchPools();
await curve.EYWAFactory.fetchPools();
await curve.cryptoFactory.fetchPools();
await curve.twocryptoFactory.fetchPools();
await curve.tricryptoFactory.fetchPools();
await curve.stableNgFactory.fetchPools();
curve.getMainPoolList();
// [
// 'compound', 'usdt', 'y', 'busd',
// 'susd', 'pax', 'ren', 'sbtc',
// 'hbtc', '3pool', 'gusd', 'husd',
// 'usdk', 'usdn', 'musd', 'rsv',
// 'tbtc', 'dusd', 'pbtc', 'bbtc',
// 'obtc', 'seth', 'eurs', 'ust',
// 'aave', 'steth', 'saave', 'ankreth',
// 'usdp', 'ib', 'link', 'tusd',
// 'frax', 'lusd', 'busdv2', 'reth',
// 'alusd', 'mim', 'tricrypto2', 'eurt',
// 'eurtusd', 'eursusd', 'crveth', 'rai',
// 'cvxeth', 'xautusd', 'spelleth', 'teth',
// '2pool', '4pool'
// ]
curve.factory.getPoolList();
// [
// 'factory-v2-0', 'factory-v2-2', 'factory-v2-3', 'factory-v2-4',
// 'factory-v2-5', 'factory-v2-6', 'factory-v2-7', 'factory-v2-8',
// 'factory-v2-9', 'factory-v2-10', 'factory-v2-11', 'factory-v2-14',
// 'factory-v2-15', 'factory-v2-17', 'factory-v2-18', 'factory-v2-19',
// 'factory-v2-21', 'factory-v2-22', 'factory-v2-23', 'factory-v2-24',
// 'factory-v2-25', 'factory-v2-26', 'factory-v2-27', 'factory-v2-28',
// 'factory-v2-29', 'factory-v2-30', 'factory-v2-31', 'factory-v2-32',
// 'factory-v2-33', 'factory-v2-34', 'factory-v2-35', 'factory-v2-36',
// 'factory-v2-37', 'factory-v2-38', 'factory-v2-39', 'factory-v2-40',
// 'factory-v2-41', 'factory-v2-42', 'factory-v2-43', 'factory-v2-44',
// 'factory-v2-45', 'factory-v2-46', 'factory-v2-47', 'factory-v2-48',
// 'factory-v2-49', 'factory-v2-50', 'factory-v2-51', 'factory-v2-52',
// 'factory-v2-53', 'factory-v2-54', 'factory-v2-55', 'factory-v2-56',
// 'factory-v2-57', 'factory-v2-58', 'factory-v2-59', 'factory-v2-60',
// 'factory-v2-61', 'factory-v2-62', 'factory-v2-63', 'factory-v2-64',
// 'factory-v2-65', 'factory-v2-66', 'factory-v2-67', 'factory-v2-68',
// 'factory-v2-69', 'factory-v2-70', 'factory-v2-71', 'factory-v2-72',
// 'factory-v2-73', 'factory-v2-74', 'factory-v2-75', 'factory-v2-76',
// 'factory-v2-77', 'factory-v2-78', 'factory-v2-79', 'factory-v2-80',
// 'factory-v2-81', 'factory-v2-82', 'factory-v2-83', 'factory-v2-84',
// 'factory-v2-85', 'factory-v2-86', 'factory-v2-87', 'factory-v2-88',
// 'factory-v2-89', 'factory-v2-90', 'factory-v2-91', 'factory-v2-92',
// 'factory-v2-93', 'factory-v2-94', 'factory-v2-95', 'factory-v2-96',
// 'factory-v2-97', 'factory-v2-98', 'factory-v2-99', 'factory-v2-100',
// 'factory-v2-101', 'factory-v2-102', 'factory-v2-103', 'factory-v2-104',
// ... 27 more items
// ]
curve.crvUSDFactory.getPoolList();
// ['factory-crvusd-0', 'factory-crvusd-1', 'factory-crvusd-2', 'factory-crvusd-3']
// On Fantom network
curve.EYWAFactory.getPoolList();
// ['factory-eywa-0', 'factory-eywa-1', 'factory-eywa-2', 'factory-eywa-3']
curve.cryptoFactory.getPoolList();
// [
// 'factory-crypto-0', 'factory-crypto-1', 'factory-crypto-2',
// 'factory-crypto-3', 'factory-crypto-4', 'factory-crypto-5',
// 'factory-crypto-6', 'factory-crypto-7', 'factory-crypto-8',
// 'factory-crypto-9', 'factory-crypto-10', 'factory-crypto-11',
// 'factory-crypto-12', 'factory-crypto-13', 'factory-crypto-14',
// 'factory-crypto-15', 'factory-crypto-16', 'factory-crypto-17',
// 'factory-crypto-18', 'factory-crypto-19', 'factory-crypto-20',
// 'factory-crypto-21', 'factory-crypto-22', 'factory-crypto-23',
// 'factory-crypto-24', 'factory-crypto-25', 'factory-crypto-26',
// 'factory-crypto-27', 'factory-crypto-28', 'factory-crypto-29',
// 'factory-crypto-30', 'factory-crypto-31', 'factory-crypto-32',
// 'factory-crypto-33', 'factory-crypto-34', 'factory-crypto-35',
// 'factory-crypto-36', 'factory-crypto-37', 'factory-crypto-38',
// 'factory-crypto-39', 'factory-crypto-40', 'factory-crypto-41',
// 'factory-crypto-42', 'factory-crypto-43', 'factory-crypto-44',
// 'factory-crypto-45', 'factory-crypto-46', 'factory-crypto-47',
// 'factory-crypto-48', 'factory-crypto-49', 'factory-crypto-50',
// 'factory-crypto-51', 'factory-crypto-52', 'factory-crypto-53',
// 'factory-crypto-54', 'factory-crypto-55', 'factory-crypto-56',
// 'factory-crypto-57', 'factory-crypto-58', 'factory-crypto-59',
// 'factory-crypto-60', 'factory-crypto-61', 'factory-crypto-62'
// ]
curve.twocryptoFactory.getPoolList();
// ['factory-twocrypto-0', 'factory-twocrypto-1']
curve.tricryptoFactory.getPoolList();
// ['factory-tricrypto-0', 'factory-tricrypto-1']
curve.stableNgFactory.getPoolList();
// ['factory-stable-ng-0', 'factory-stable-ng-1']
curve.getPoolList();
// [
// 'compound', 'usdt', 'y', 'busd',
// 'susd', 'pax', 'ren', 'sbtc',
// 'hbtc', '3pool', 'gusd', 'husd',
// 'usdk', 'usdn', 'musd', 'rsv',
// 'tbtc', 'dusd', 'pbtc', 'bbtc',
// 'obtc', 'seth', 'eurs', 'ust',
// 'aave', 'steth', 'saave', 'ankreth',
// 'usdp', 'ib', 'link', 'tusd',
// 'frax', 'lusd', 'busdv2', 'reth',
// 'alusd', 'mim', 'tricrypto2', 'eurt',
// 'eurtusd', 'eursusd', 'crveth', 'rai',
// 'cvxeth', 'xautusd', 'spelleth', 'teth',
// '2pool', '4pool', 'fraxusdc', 'euroc',
// 'frxeth', 'sbtc2', 'fraxusdp', 'wbeth',
// 'factory-v2-2', 'factory-v2-3', 'factory-v2-5', 'factory-v2-7',
// 'factory-v2-9', 'factory-v2-10', 'factory-v2-11', 'factory-v2-14',
// 'factory-v2-21', 'factory-v2-22', 'factory-v2-23', 'factory-v2-24',
// 'factory-v2-25', 'factory-v2-27', 'factory-v2-28', 'factory-v2-29',
// 'factory-v2-30', 'factory-v2-31', 'factory-v2-32', 'factory-v2-33',
// 'factory-v2-34', 'factory-v2-35', 'factory-v2-37', 'factory-v2-38',
// 'factory-v2-41', 'factory-v2-42', 'factory-v2-43', 'factory-v2-44',
// 'factory-v2-45', 'factory-v2-47', 'factory-v2-48', 'factory-v2-49',
// 'factory-v2-50', 'factory-v2-51', 'factory-v2-52', 'factory-v2-53',
// 'factory-v2-55', 'factory-v2-56', 'factory-v2-57', 'factory-v2-58',
// 'factory-v2-59', 'factory-v2-60', 'factory-v2-61', 'factory-v2-62',
// ... 493 more items
// ]
})()Pool fields
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
await curve.factory.fetchPools();
await curve.crvUSDFactory.fetchPools();
await curve.EYWAFactory.fetchPools();
await curve.cryptoFactory.fetchPools();
await curve.twocryptoFactory.fetchPools();
await curve.tricryptoFactory.fetchPools();
await curve.stableNgFactory.fetchPools();
const pool = curve.getPool('factory-v2-11');
pool.id;
// factory-v2-11
pool.name;
// FEI Metapool
pool.fullName;
// Curve.fi Factory USD Metapool: FEI Metapool
pool.symbol;
// FEI3CRV3CRV-f
pool.referenceAsset;
// USD
pool.address;
// 0x06cb22615ba53e60d67bf6c341a0fd5e718e1655
pool.lpToken;
// 0x06cb22615ba53e60d67bf6c341a0fd5e718e1655
pool.gauge;
// 0xdc69d4cb5b86388fff0b51885677e258883534ae
pool.zap;
// 0xa79828df1850e8a3a3064576f380d90aecdd3359
pool.sRewardContract;
// null
pool.rewardContract;
// null
pool.isPlain;
// false
pool.isLending;
// false
pool.isMeta;
// true
pool.isCrypto;
// false
pool.isFake;
// false
pool.isFactory;
// true
pool.basePool;
// 3pool
pool.underlyingCoins;
// [ 'FEI', 'DAI', 'USDC', 'USDT' ]
pool.wrappedCoins;
// [ 'FEI', '3Crv' ]
pool.underlyingCoinAddresses;
// [
// '0x956f47f50a910163d8bf957cf5846d573e7f87ca',
// '0x6b175474e89094c44da98b954eedeac495271d0f',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48',
// '0xdac17f958d2ee523a2206206994597c13d831ec7'
// ]
pool.wrappedCoinAddresses;
// [
// '0x956f47f50a910163d8bf957cf5846d573e7f87ca',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490'
// ]
pool.underlyingDecimals;
// [ 18, 18, 6, 6 ]
pool.wrappedDecimals;
// [ 18, 18 ]
pool.useLending;
// [ false, false, false, false ]
pool.inApi;
// true
await pool.isGaugeKilled();
// false
await pool.gaugeStatus();
// null OR
//{
// rewardsNeedNudging: false,
// areCrvRewardsStuckInBridge: false,
//
// }
})()Wallet balances for pool
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
const saave = curve.getPool('saave');
// 1. Current address (signer) balances
await saave.wallet.balances();
// {
// lpToken: '0.0',
// gauge: '0.0',
// '0x6B175474E89094C44Da98b954EedeAC495271d0F': '10000.0',
// '0x57Ab1ec28D129707052df4dF418D58a2D46d5f51': '10000.0',
// '0x028171bCA77440897B824Ca71D1c56caC55b68A3': '10000.00017727177059715',
// '0x6c5024cd4f8a59110119c56f8933403a539555eb': '10000.000080108429034461'
// }
await saave.wallet.lpTokenBalances();
// { lpToken: '0.0', gauge: '0.0' }
await saave.wallet.underlyingCoinBalances();
// {
// '0x6B175474E89094C44Da98b954EedeAC495271d0F': '10000.0',
// '0x57Ab1ec28D129707052df4dF418D58a2D46d5f51': '10000.0'
// }
await saave.wallet.wrappedCoinBalances();
// {
// '0x028171bCA77440897B824Ca71D1c56caC55b68A3': '10000.00017727177059715',
// '0x6c5024cd4f8a59110119c56f8933403a539555eb': '10000.000080108429034461'
// }
await saave.wallet.allCoinBalances();
// {
// '0x6B175474E89094C44Da98b954EedeAC495271d0F': '10000.0',
// '0x57Ab1ec28D129707052df4dF418D58a2D46d5f51': '10000.0',
// '0x028171bCA77440897B824Ca71D1c56caC55b68A3': '10000.00017727177059715',
// '0x6c5024cd4f8a59110119c56f8933403a539555eb': '10000.000080108429034461'
// }
// 2. For every method above you can specify the address
await saave.wallet.balances("0x0063046686E46Dc6F15918b61AE2B121458534a5");
// {
// lpToken: '0.0',
// gauge: '0.0',
// '0x6B175474E89094C44Da98b954EedeAC495271d0F': '0.0',
// '0x57Ab1ec28D129707052df4dF418D58a2D46d5f51': '0.0',
// '0x028171bCA77440897B824Ca71D1c56caC55b68A3': '0.0',
// '0x6c5024cd4f8a59110119c56f8933403a539555eb': '0.0'
// }
// Or several addresses
await saave.wallet.balances("0x0063046686E46Dc6F15918b61AE2B121458534a5", "0x66aB6D9362d4F35596279692F0251Db635165871");
// {
// '0x0063046686E46Dc6F15918b61AE2B121458534a5': {
// lpToken: '0.0',
// gauge: '0.0',
// '0x6B175474E89094C44Da98b954EedeAC495271d0F': '0.0',
// '0x57Ab1ec28D129707052df4dF418D58a2D46d5f51': '0.0',
// '0x028171bCA77440897B824Ca71D1c56caC55b68A3': '0.0',
// '0x6c5024cd4f8a59110119c56f8933403a539555eb': '0.0'
// },
// '0x66aB6D9362d4F35596279692F0251Db635165871': {
// lpToken: '0.0',
// gauge: '0.0',
// '0x6B175474E89094C44Da98b954EedeAC495271d0F': '10000.0',
// '0x57Ab1ec28D129707052df4dF418D58a2D46d5f51': '10000.0',
// '0x028171bCA77440897B824Ca71D1c56caC55b68A3': '10000.00017727177059715',
// '0x6c5024cd4f8a59110119c56f8933403a539555eb': '10000.000080108429034461'
// }
// }
})()Stats
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
// --- COMPOUND ---
const compound = curve.getPool('compound');
await compound.stats.parameters();
// {
// lpTokenSupply: '66658430.461661546713781772',
// virtualPrice: '1.107067773320466717',
// fee: '0.04',
// adminFee: '0.02',
// A: '4500',
// future_A: '4500',
// initial_A: undefined,
// future_A_time: undefined,
// initial_A_time: undefined,
// gamma: undefined
// }
await compound.stats.underlyingBalances();
// [ '66625943.103442629270215258', '33124832.500932' ]
await compound.stats.wrappedBalances();
// [ '3026076723.05777297', '1464830413.37972924' ]
await compound.stats.totalLiquidity();
// 99836271.3031733
// --- STETH ---
const steth = curve.getPool('steth');
await steth.stats.volume();
// 174737430.35185483
await steth.stats.baseApy();
// { day: '3.1587592896017647', week: '2.6522145719060752' } (as %)
await steth.stats.tokenApy();
// [ '0.5918', '1.4796' ] (as %)
await steth.stats.rewardsApy();
// [
// {
// gaugeAddress: '0x182b723a58739a9c974cfdb385ceadb237453c28',
// tokenAddress: '0x5A98FcBEA516Cf06857215779Fd812CA3beF1B32',
// tokenPrice: 1.023,
// name: 'Lido DAO Token',
// symbol: 'LDO',
// decimals: '18',
// apy: 2.6446376845647155 (as %)
// }
// ]
})()Deposit
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
const pool = curve.getPool('mim');
// --- UNDERLYING ---
await pool.wallet.underlyingCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '10000.0',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '10000.0',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '10000.0',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '10000.0',
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '0.0', gauge: '0.0' }
await pool.depositBalancedAmounts();
// [
// '10000.000000000000000000',
// '785.167649368248476094',
// '771.263652',
// '2234.662927'
// ]
await pool.depositExpected([100, 100, 100, 100]);
// 397.546626854200557344
await pool.depositBonus([100, 100, 100, 100]);
// 0.04489060058668274
await pool.depositIsApproved([100, 100, 100, 100]);
// false
await pool.depositApprove([100, 100, 100, 100]);
// [
// '0xd3bb4266a9004b4c42d41984d65cce65050a216564dcefa852bbe29f0466bc32',
// '0xb2e67fb6cc0d4cef18e918bccf85248a30aa5c318220e8c3887f5f936599e639',
// '0x6d523d348ef1dc24e4a61830476f3c5e4450e8e2c91d903f9e0272efc73f5af8',
// '0xe2c7bd884b91011791d0e979b9511ca035efee60a5c23b7f5623d490250ca4b2'
// ]
await pool.deposit(['100', '100', '100', '100'], 0.1); // slippage = 0.1 %
// 0x8202a2fd645d6b9bc2c6f47aa3475d61bcfd5905def125e8287cb47f3f86db75
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9900.0',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9900.0',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9900.0',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '9900.0',
// }
// { lpToken: '397.465346370726773487', gauge: '0.0' }
// --- WRAPPED ---
await pool.wallet.wrappedCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9900.0',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '100000.0'
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '397.465346370726773487', gauge: '0.0' }
await pool.depositWrappedBalancedAmounts();
// [ '9900.000000000000000000', '3674.037213475177850341' ]
await pool.depositWrappedExpected(['100', '100']);
// 200.853415578798484973
await pool.depositWrappedBonus([100, 100]);
// 0.5057286575144729
await pool.depositWrappedIsApproved([100, 100]);
// false
await pool.depositWrappedApprove([100, 100]);
// [
// '0xe8eb519833d417dcd8da1ee3c4fcadf30dece560b7e1977a5f78c995f8e72b4b',
// '0xd7d02b26a052f755bed033a880745ff58775d4668d7620042b6e5973e90ba574'
// ]
await pool.depositWrapped([100, 100], 0.1); // slippage = 0.1 %
// 0x78b943a9a1082cd07ddb0225b070e934740448bfa10444b00cd00e7368ad0601
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9800.0',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '99900.0'
// }
// { lpToken: '598.300246031617065027', gauge: '0.0' }
})()Staking
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0 });
const pool = curve.getPool('mim');
const balances = await pool.wallet.lpTokenBalances() as IDict<string>;
// { lpToken: '598.300246031617065027', gauge: '0.0' }
await pool.stakeIsApproved(balances.lpToken);
// false
await pool.stakeApprove(balances.lpToken);
// [
// '0x9d5011800bb4afe82b3a97a56a55762f11b5e999c1de908f38a66f7425c0b0d0'
// ]
await pool.stake(balances.lpToken);
// 0xf884b798be15295f090476eb9d13c46d09d8c05dc0e05d822a34120fa641f645
await pool.wallet.lpTokenBalances();
// { lpToken: '0.0', gauge: '598.300246031617065027' }
await pool.unstake(balances.lpToken);
// 0x802b96921f2fabb433e02489315850a81c1a2e180cd05d84a6d71ce9fc624020
await pool.wallet.lpTokenBalances();
// { lpToken: '598.300246031617065027', gauge: '0.0' }
})()Withdraw
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
const pool = curve.getPool('mim');
// --- UNDERLYING ---
await pool.wallet.underlyingCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9800.0',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9900.0',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9900.0',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '9900.0'
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '598.300246031617065027', gauge: '0.0' }
await pool.withdrawExpected(10);
// [
// '7.299072252784503555',
// '0.573101727634383933',
// '0.562953',
// '1.631103'
// ]
await pool.withdrawIsApproved(10);
// false
await pool.withdrawApprove(10);
// [
// '0xbc72529f860eab00ae6e72234a68c48c9bfa8e093813ecf6796d46de419badca'
// ]
await pool.withdraw('10', 0.1); // slippage = 0.1 %
// 0x4dc3add45566e0f3404c2fa0b7aa27203688833ffbe9b985f36bf785d19e4fad
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9807.299072252784503555',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9900.573101727634383932',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9900.562953',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '9901.631102'
// }
// { lpToken: '588.300246031617065027', gauge: '0.0' }
// --- WRAPPED ---
await pool.wallet.wrappedCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9807.299072252784503555',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '99900.0'
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '588.300246031617065027', gauge: '0.0' }
await pool.withdrawWrappedExpected('10');
// [ '7.299072252784503555', '2.708796226980363129' ]
await pool.withdrawWrapped(10); // slippage = 0.5 % by default
// 0x61f7b602bc52d20fdf473c8dd8cbea12f11918fdbd74c496235887c70321395a
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9814.59814450556900711',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '99902.708796226980363129'
// }
// { lpToken: '578.300246031617065027', gauge: '0.0' }
})()Withdraw imbalance
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
const pool = curve.getPool('mim');
// --- UNDERLYING ---
await pool.wallet.underlyingCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9814.59814450556900711',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9900.573101727634383932',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9900.562953',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '9901.631102'
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '578.300246031617065027', gauge: '0.0' }
await pool.withdrawImbalanceExpected(['10', '10', '10', '10']);
// 39.754662629184493064
await pool.withdrawImbalanceBonus(['10', '10', '10', '10']);
// -0.04487324436377509
await pool.withdrawImbalanceIsApproved(['10', '10', '10', '10']);
// true
await pool.withdrawImbalanceApprove(['10', '10', '10', '10']);
// []
await pool.withdrawImbalance(['10', '10', '10', '10'], 0.1); // slippage = 0.1 %
// 0xfba4dfb47cd5692ef01608e7b04439ec211cb28430b488e60fee5cadb77ac321
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9824.59814450556900711',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9910.573101727634383932',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9910.562953',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '9911.631102'
// }
// { lpToken: '538.537454267261447723', gauge: '0.0' }
// --- WRAPPED ---
await pool.wallet.wrappedCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9824.59814450556900711',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '99902.708796226980363129'
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '538.537454267261447723', gauge: '0.0' }
await pool.withdrawImbalanceWrappedExpected(['10', '10']);
// 20.085341556879117658
await pool.withdrawImbalanceWrappedBonus(['10', '10']);
// -0.5031837243343519
await pool.withdrawImbalanceWrapped(['10', '10'], 0.1); // slippage = 0.1 %
// 0xb9e6174695152d7dbe274fec969ffd2d62c994cdbf58455e9954cddd0a8f7189
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9834.59814450556900711',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '99912.708796226980363129'
// }
// { lpToken: '518.450261119283204342', gauge: '0.0' }
})()Withdraw one coin
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
const pool = curve.getPool('mim');
// --- UNDERLYING ---
await pool.wallet.underlyingCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9834.59814450556900711',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9910.573101727634383932',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9910.562953',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '9911.631102'
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '518.450261119283204342', gauge: '0.0' }
const underlyingExpected = await pool.withdrawOneCoinExpected(10, 'DAI');
// OR const underlyingExpected = await pool.withdrawOneCoinExpected('10', '0x6B175474E89094C44Da98b954EedeAC495271d0F');
// OR const underlyingExpected = await pool.withdrawOneCoinExpected('10', 1);
console.log(underlyingExpected);
// 10.053583529099204888
await pool.withdrawOneCoinBonus(10, 'DAI');
// -0.1256449500769996
await pool.withdrawOneCoinIsApproved(10);
// true
await pool.withdrawOneCoinApprove(10);
// []
const underlyingTx = await pool.withdrawOneCoin(10, 'DAI', 0.1);
// OR const underlyingTx = await pool.withdrawOneCoin('10', '0x6B175474E89094C44Da98b954EedeAC495271d0F');
// OR const underlyingTx = await pool.withdrawOneCoin('10', 1);
console.log(underlyingTx);
//0x5b4c5ec49f53719b5440355439a2cad445935895b5c1034ae6092ebbe17f0328
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9834.59814450556900711',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9920.62668525673358882',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9910.562953',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '9911.631102'
// }
// { lpToken: '508.450261119283204342', gauge: '0.0' }
// --- WRAPPED ---
await pool.wallet.wrappedCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9834.59814450556900711',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '99912.708796226980363129'
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '508.450261119283204342', gauge: '0.0' }
const wrappedExpected = await pool.withdrawOneCoinWrappedExpected('10', 'MIM');
// OR const wrappedExpected = await pool.withdrawOneCoinWrappedExpected('10', '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3');
// OR const wrappedExpected = await pool.withdrawOneCoinWrappedExpected('10', 0);
console.log(wrappedExpected)
// 10.066854269984687383
await pool.withdrawOneCoinWrappedBonus(10, 'MIM');
// 0.5893939242941038
const wrappedTx = await pool.withdrawOneCoinWrapped('10', 'MIM', 0.1);
// OR await pool.withdrawOneCoinWrapped('10', '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3');
// OR await pool.withdrawOneCoinWrapped('10', 0);
console.log(wrappedTx);
// 0xf82af519a3e4f0743c89fd1e93982934f1a2dde721221b00dd474f6b0a24f7f2
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9844.664998775553694493',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '99912.708796226980363129'
// }
// { lpToken: '498.450261119283204342', gauge: '0.0' }
})()Swap
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
const pool = curve.getPool('mim');
// --- UNDERLYING ---
await pool.wallet.underlyingCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9844.882755243317396535',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9930.611305190224186298',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9910.562953',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '9911.631102'
// }
const underlyingExpected = await pool.swapExpected('MIM','DAI', 10);
// OR const underlyingExpected = await pool.swapExpected('0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3', '0x6B175474E89094C44Da98b954EedeAC495271d0F', '10');
// OR const underlyingExpected = await pool.swapExpected(0, 1, '10');
console.log(underlyingExpected);
// 9.984619933234026875
const underlyingRequired = await pool.swapRequired('MIM', 'DAI', 10);
// OR const underlyingRequired = await pool.swapRequired('0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3', '0x6B175474E89094C44Da98b954EedeAC495271d0F', '10');
// OR const underlyingRequired = await pool.swapRequired(0, 1, '10');
console.log(underlyingRequired);
//10.049378645129545758
const underlyingPriceImpact = await pool.swapPriceImpact('MIM','DAI', 10);
// OR const underlyingPriceImpact = await pool.swapPriceImpact('0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3', '0x6B175474E89094C44Da98b954EedeAC495271d0F', '10');
// OR const underlyingPriceImpact = await pool.swapPriceImpact(0, 1, '10');
console.log(underlyingPriceImpact);
// 0.000026 (as %)
await pool.swapIsApproved('MIM', 10);
// true
await pool.swapApprove('MIM', 10);
// []
const swapTx = await pool.swap('MIM','DAI', 10, 0.1);
// OR const swapTx = await pool.swap('0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3', '0x6B175474E89094C44Da98b954EedeAC495271d0F', '10');
// OR const swapTx = await pool.swap(0, 1, 10);
console.log(swapTx);
// 0xbcd0d1248e6a8571c2a45d4f7095bc1fece479b6e87219cdd7d239c4e1e0ca32
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9834.882755243317396535',
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9940.595925123458213173',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9910.562953',
// '0xdac17f958d2ee523a2206206994597c13d831ec7': '9911.631102'
// }
// --- WRAPPED ---
await pool.wallet.wrappedCoinBalances();
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9834.882755243317396535',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '99902.708796226980363129'
// }
const wrappedExpected = await pool.swapWrappedExpected('3crv','MIM', 10);
// OR const wrappedExpected = await pool.swapWrappedExpected('0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490', '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3', '10');
// OR const wrappedExpected = await pool.swapWrappedExpected(1, 0, '10');
console.log(wrappedExpected);
// 10.217756467720521951
const wrappedRequired = await pool.swapWrappedRequired('3crv', 'MIM', 10);
// OR const wrappedRequired = await pool.swapWrappedRequired('0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490', '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3', '10');
// OR const wrappedRequired = await pool.swapWrappedRequired(1, 0, '10');
console.log(wrappedRequired);
//9.702940994847188442
const wrappedPriceImpact = await pool.swapWrappedPriceImpact('3crv','MIM', 10);
// OR const wrappedPriceImpact = await pool.swapWrappedPriceImpact('0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490', '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3', '10');
// OR const wrappedPriceImpact = await pool.swapWrappedPriceImpact(1, 0, '10');
console.log(wrappedPriceImpact);
// 0.000081 (as %)
await pool.swapWrappedIsApproved('3crv', 10);
// true
await pool.swapWrappedApprove('3crv', 10);
// []
const swapWrappedTx = await pool.swapWrapped('3crv','MIM', 10, 0.1);
// OR const swapWrappedTx = await pool.swapWrapped('0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490', '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3', '10');
// OR const swapWrappedTx = await pool.swapWrapped(1, 0, '10');
console.log(swapWrappedTx);
// 0x59ff5e44f083b57a1f612c1ad5ac7d3fe68b4c753ddd6400ab8bd6437485288c
// {
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3': '9845.100511711037918486',
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490': '99892.708796226980363129'
// }
})()Deposit & Stake
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
curve.hasDepositAndStake()
// true
const pool = curve.getPool('compound');
const amounts = [1000, 1000];
// --- UNDERLYING ---
await pool.wallet.underlyingCoinBalances();
// {
// '0x6b175474e89094c44da98b954eedeac495271d0f': '10000.0',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '10000.0',
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '0.0', gauge: '0.0' }
await pool.depositAndStakeExpected(amounts);
// 1820.604572902286288394
await pool.depositAndStakeBonus(amounts);
// 0.0030482584681188
await pool.depositAndStakeIsApproved(amounts);
// false
await pool.depositAndStakeApprove(amounts);
// [
// '0xb363c95fb8e63f724d6a05dfa756ede38132ce3fc8faf80306d925856996669c',
// '0x53d01fd54fb607091c67f8b39ff9e2e7670396d831b856b1979caaa6ac6ea37b',
// '0xd69ca27c30fa6e5ba927d0382987f142895481710439dae358a1daeeb01c7248'
// ]
await pool.depositAndStake(amounts);
// 0x3ec53842120be75f51e907803da844f4d3e8435766e0c25a40700085ed5b56c4
// {
// '0x6b175474e89094c44da98b954eedeac495271d0f': '9000.0',
// '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48': '9000.0',
// }
// { lpToken: '0.0', gauge: '1820.556829935710883568' }
// --- WRAPPED ---
await pool.wallet.wrappedCoinBalances();
// {
// '0x5d3a536e4d6dbd6114cc1ead35777bab948e3643': '10000.0',
// '0x39aa39c021dfbae8fac545936693ac917d5e7563': '10000.0'
// }
await pool.wallet.lpTokenBalances();
// { lpToken: '0.0', gauge: '1820.556829935710883568' }
await pool.depositAndStakeWrappedExpected(amounts);
// 40.328408669183101673
await pool.depositAndStakeWrappedBonus(amounts);
// 0.46040576921447873
await pool.depositAndStakeWrappedIsApproved(amounts);
// false
await pool.depositAndStakeWrappedApprove(amounts);
// [
// '0x53035c46f877ed4d156aff5aee0f8e04c0e0701e40651e9e55f41976919b093d',
// '0x4743386669a6a21fbe09805ae50e281db22cf518d681ee1e5d0f81a1d761e79b',
// '0x8580b6bd88dfd0eeab77480e50d82ba14922fd4b431b0123a7ac425236e1db3a'
// ]
await pool.depositAndStakeWrapped(amounts);
// 0xdb73e3176ab876806f99f71d70ad6ee93d7a865c15faa062ebaba2011b94b315
// {
// '0x5d3a536e4d6dbd6114cc1ead35777bab948e3643': '9000.0',
// '0x39aa39c021dfbae8fac545936693ac917d5e7563': '9000.0'
// }
// { lpToken: '0.0', gauge: '1860.884096082215274556' }
})();Router
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
await curve.factory.fetchPools();
await curve.crvUSDFactory.fetchPools();
await curve.EYWAFactory.fetchPools();
await curve.cryptoFactory.fetchPools();
await curve.twocryptoFactory.fetchPools();
await curve.tricryptoFactory.fetchPools();
await curve.stableNgFactory.fetchPools();
curve.hasRouter();
// true
await curve.getBalances(['DAI', 'CRV']);
// [ '9900.0', '100049.744832225238317557' ]
const { route, output } = await curve.router.getBestRouteAndOutput('DAI', 'CRV', '1000');
// OR await curve.router.getBestRouteAndOutput('0x6B175474E89094C44Da98b954EedeAC495271d0F', '0xD533a949740bb3306d119CC777fa900bA034cd52', '1000');
const expected = await curve.router.expected('DAI', 'CRV', '1000');
// OR await curve.router.expected('0x6B175474E89094C44Da98b954EedeAC495271d0F', '0xD533a949740bb3306d119CC777fa900bA034cd52', '1000');
const required = await curve.router.required('DAI', 'CRV', expected);
// OR await curve.router.required('0x6B175474E89094C44Da98b954EedeAC495271d0F', '0xD533a949740bb3306d119CC777fa900bA034cd52', expected);
const priceImpact = await curve.router.priceImpact('DAI', 'CRV', '1000');
// OR await curve.router.priceImpact('0x6B175474E89094C44Da98b954EedeAC495271d0F', '0xD533a949740bb3306d119CC777fa900bA034cd52', '1000');
const args = curve.router.getArgs(route);
console.log(route, output, expected, required, priceImpact, args);
// route = [
// {
// poolId: 'mim',
// swapAddress: '0x5a6a4d54456819380173272a5e8e9b9904bdf41b',
// inputCoinAddress: '0x6b175474e89094c44da98b954eedeac495271d0f',
// outputCoinAddress: '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3',
// swapParams: [ 1, 0, 2, 1, 4 ],
// poolAddress: '0x5a6a4d54456819380173272a5e8e9b9904bdf41b',
// basePool: '0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7',
// baseToken: '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490',
// secondBasePool: '0x0000000000000000000000000000000000000000',
// secondBaseToken: '0x0000000000000000000000000000000000000000'
// },
// {
// poolId: 'factory-crvusd-6',
// swapAddress: '0xbe426b0f37c112dd20d5866769c8034171567b31',
// inputCoinAddress: '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3',
// outputCoinAddress: '0xf939e0a03fb07f59a73314e73794be0e57ac1b4e',
// swapParams: [ 0, 1, 1, 1, 2 ],
// poolAddress: '0xbe426b0f37c112dd20d5866769c8034171567b31',
// basePool: '0x0000000000000000000000000000000000000000',
// baseToken: '0x0000000000000000000000000000000000000000',
// secondBasePool: '0x0000000000000000000000000000000000000000',
// secondBaseToken: '0x0000000000000000000000000000000000000000'
// },
// {
// poolId: 'factory-tricrypto-4',
// swapAddress: '0x4ebdf703948ddcea3b11f675b4d1fba9d2414a14',
// inputCoinAddress: '0xf939e0a03fb07f59a73314e73794be0e57ac1b4e',
// outputCoinAddress: '0xd533a949740bb3306d119cc777fa900ba034cd52',
// swapParams: [ 0, 2, 1, 3, 3 ],
// poolAddress: '0x4ebdf703948ddcea3b11f675b4d1fba9d2414a14',
// basePool: '0x0000000000000000000000000000000000000000',
// baseToken: '0x0000000000000000000000000000000000000000',
// secondBasePool: '0x0000000000000000000000000000000000000000',
// secondBaseToken: '0x0000000000000000000000000000000000000000'
// }
// ]
//
// output = expected = 2359.161199223806107003
// required = 999.898950158673335108
// priceImpact = 0.158012 %
//
// args = {
// _route: [
// '0x6b175474e89094c44da98b954eedeac495271d0f',
// '0x5a6a4d54456819380173272a5e8e9b9904bdf41b',
// '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3',
// '0xbe426b0f37c112dd20d5866769c8034171567b31',
// '0xf939e0a03fb07f59a73314e73794be0e57ac1b4e',
// '0x4ebdf703948ddcea3b11f675b4d1fba9d2414a14',
// '0xd533a949740bb3306d119cc777fa900ba034cd52',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000'
// ],
// _swapParams: [
// [ 1, 0, 2, 1, 4 ],
// [ 0, 1, 1, 1, 2 ],
// [ 0, 2, 1, 3, 3 ],
// [ 0, 0, 0, 0, 0 ],
// [ 0, 0, 0, 0, 0 ]
// ],
// _pools: [
// '0x5a6a4d54456819380173272a5e8e9b9904bdf41b',
// '0xbe426b0f37c112dd20d5866769c8034171567b31',
// '0x4ebdf703948ddcea3b11f675b4d1fba9d2414a14',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000'
// ],
// _basePools: [
// '0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000'
// ],
// _baseTokens: [
// '0x6c3f90f043a72fa612cbac8115ee7e52bde6e490',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000'
// ],
// _secondBasePools: [
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000'
// ],
// _secondBaseTokens: [
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000',
// '0x0000000000000000000000000000000000000000'
// ]
// }
await curve.router.isApproved('DAI', 1000);
// false
await curve.router.approve('DAI', 1000);
// [
// '0xc111e471715ae6f5437e12d3b94868a5b6542cd7304efca18b5782d315760ae5'
// ]
const swapTx = await curve.router.swap('DAI', 'CRV', '1000');
// OR const swapTx = await curve.router.swap('0x6B175474E89094C44Da98b954EedeAC495271d0F', '0xD533a949740bb3306d119CC777fa900bA034cd52', '1000');
console.log(swapTx.hash);
// 0xc7ba1d60871c0295ac5471bb602c37ec0f00a71543b3a041308ebd91833f26ba
const swappedAmount = await curve.router.getSwappedAmount(swapTx, 'CRV');
// 1573.668171170839785062
await curve.getBalances(['DAI', 'CRV']);
// [ '8900.0', '100428.626463428100672494' ]
})()Boosting
Lock
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
await curve.boosting.getCrv();
// 100000.0
await curve.boosting.getLockedAmountAndUnlockTime();
// { lockedAmount: '0.0', unlockTime: 0 }
await curve.boosting.getVeCrv();
// 0.0
await curve.boosting.getVeCrvPct();
// 0.000000000000000000
curve.boosting.isApproved(1000);
// false
curve.boosting.approve(1000);
// [
// '0x07f6daedb705446cb56ab42c18ba9ec5302ef5ed9c7ef0bb5c3c92493abcfc79'
// ]
curve.boosting.calcUnlockTime(365); // now (by default) + 365 days, rounded down by WEEK
// 1657152000000
await curve.boosting.createLock(1000, 365);
// 99000.0 CRV
// { lockedAmount: '1000.0', unlockTime: 1657152000000 }
// 248.193183980208499221
// 0.000006190640156035
await curve.boosting.increaseAmount('500');
// 98500.0 CRV
// { lockedAmount: '1500.0', unlockTime: 1657152000000 }
// 372.289692732093137414 veCRV
// 0.000009285953543912 veCRV %
const { unlockTime: currentUnlockTime } = await curve.boosting.getLockedAmountAndUnlockTime();
curve.boosting.calcUnlockTime(365, currentUnlockTime); // currentUnlockTime + 365 days, rounded down by WEEK
// 1688601600000
await curve.boosting.increaseUnlockTime(365);
// 98500.0 CRV
// { lockedAmount: '1500.0', unlockTime: 1688601600000 }
// 746.262271689452535192 veCRV
// 0.000018613852077810 veCRV %
})()Claim fees
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {});
await curve.getBalances(['3crv']);
// ['0.0']
await curve.boosting.claimableFees();
// 1.30699696445248888
await curve.boosting.claimFees();
await curve.getBalances(['3crv']);
// ['1.30699696445248888']
await curve.boosting.claimableFees();
// 0.0
})()Sidechain
import curve from "@curvefi/api";
(async () => {
// --- SIDECHAIN ---
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
await curve.boosting.sidechain.lastEthBlock();
// 16931944
await curve.boosting.sidechain.getAnycallBalance();
// 0.033837278711248954
await curve.boosting.sidechain.topUpAnycall(0.1);
await curve.boosting.sidechain.getAnycallBalance();
// 0.133837278711248954
// --- MAINNET (ETHEREUM) ---
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
await curve.boosting.sidechain.lastBlockSent(137); // Polygon
// 17038505
const blockToSend = await curve.boosting.sidechain.blockToSend(); // currentBlock - 128
// 17377005
await curve.boosting.sidechain.sendBlockhash(blockToSend, 137); // Polygon
// --- SIDECHAIN ---
// Wait until blockhash is delivered
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
const lastEthBlock = await curve.boosting.sidechain.lastEthBlock();
// 17377005
await curve.boosting.sidechain.submitProof(lastEthBlock, "0x33A4622B82D4c04a53e170c638B944ce27cffce3");
})()CRV. Profit, claim, boosting
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0 });
const pool = curve.getPool('compound');
await pool.depositAndStake([1000, 1000]);
await pool.crvProfit();
// {
// day: '0.01861607837347995222',
// week: '0.13031254861435966551',
// month: '0.55848235120439856649',
// year: '6.79486860632018255891',
// token: '0xd533a949740bb3306d119cc777fa900ba034cd52',
// symbol: 'CRV',
// price: 0.978134
// }
await pool.stats.tokenApy();
// [ '0.3324', '0.8309' ]
await pool.userCrvApy();
// 0.3324
await pool.userBoost();
// 1.0
await curve.boosting.createLock(10000, 365 * 4);
await pool.depositAndStake([1000, 1000]);
// crvProfit = {
// day: '0.05703837081508656944',
// week: '0.39926859570560598606',
// month: '1.7111511244525970831',
// year: '20.81900534750659784443',
// token: '0xd533a949740bb3306d119cc777fa900ba034cd52',
// symbol: 'CRV',
// price: 0.978134
// }
//
// currentApy = 0.5092
// boost = 1.532
await pool.wallet.lpTokenBalances();
// { lpToken: '0.0', gauge: '3610.795806899650569624' }
await pool.maxBoostedStake();
// 1281.660714834072909477
// ------ Wait some time... ------
await pool.claimableCrv();
// 0.4085482040149887
await pool.claimCrv();
// claimableCrv = 0.0
})()Rewards. Profit and claim
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
const pool = curve.getPool('susd');
await pool.rewardTokens();
// [
// {
// token: '0xc011a73ee8576fb46f5e1c5751ca3b9fe0af2a6f',
// symbol: 'SNX',
// decimals: 18
// }
// ]
await pool.depositAndStake([1000, 1000, 1000, 1000]);
await pool.rewardsProfit();
// [
// {
// day: '0.02387645750842563304',
// week: '0.16713520255897943129',
// month: '0.71629372525276899123',
// year: '8.71490699057535605995',
// token: '0xc011a73ee8576fb46f5e1c5751ca3b9fe0af2a6f',
// symbol: 'SNX',
// price: 2.61
// }
// ]
// ------ Wait some time... ------
await pool.claimableRewards();
// [
// {
// token: '0xC011a73ee8576Fb46F5E1c5751cA3B9Fe0af2a6F',
// symbol: 'SNX',
// amount: '0.000596325465987726'
// }
// ]
await pool.claimRewards();
// claimableRewards = [
// {
// token: '0xc011a73ee8576fb46f5e1c5751ca3b9fe0af2a6f',
// symbol: 'SNX',
// amount: '0.0'
// }
// ]
})()User balances, base profit and share
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0 });
const pool = curve.getPool('frax');
await pool.deposit([1000, 1000, 1000, 1000]);
// { lpToken: '3967.761942945398518479', gauge: '0.0' }
await pool.stake(2000);
// { lpToken: '1967.761942945398518479', gauge: '2000.0' }
await pool.userBalances();
// [
// '2489.266644542275414077',
// '276.21290758040371998',
// '280.160024',
// '955.058471'
// ]
await pool.userWrappedBalances();
// [ '2489.266644542275414077', '1479.135765218522838249' ]
await pool.userLiquidityUSD();
// 4003.16466431
await pool.baseProfit();
// {
// day: '0.01476134356908610233',
// week: '0.1036132769753159106',
// month: '0.44899086689303561258',
// year: '5.38789040271642735101374407'
// }
await pool.userShare();
// {
// lpUser: '3967.761942945398518479',
// lpTotal: '1124490985.047288488832152598',
// lpShare: '0.000352849600015116',
// gaugeUser: '2000.0',
// gaugeTotal: '1123703753.306098922471106555',
// gaugeShare: '0.000177982853053192'
// }
})()Gas estimation
Every non-constant method has corresponding gas estimation method. Rule: obj.method -> obj.estimateGas.method
Examples
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0, maxFeePerGas: 0, maxPriorityFeePerGas: 0 });
const spender = "0xbEbc44782C7dB0a1A60Cb6fe97d0b483032FF1C7" // 3pool swap address
await curve.estimateGas.ensureAllowance(["DAI", "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"], [1000, 1000], spender);
// 94523
const pool = curve.getPool('usdn');
await pool.estimateGas.depositApprove(["1000", "1000", "1000", "1000"]);
// 186042
await pool.estimateGas.deposit(["1000", "1000", "1000", "1000"]);
// 679238
await curve.router.estimateGas.swap('DAI', "WBTC", "1000");
// 476904
await curve.boosting.estimateGas.createLock('1000', 365);
// 324953
})()Gas estimation L2
Only for OPTIMISM and BASE!
Arbitrium is also L2 network, but for estimateGas should use default method estimateGas, which return Number.
For L2 networks estimateGas return array [L2GasUsed, L1GasUsed], where L2GasUsed - gas estimate for execution transaction in current L2 network, and L1GasUsed - gas estimate for data storage in parent L1 network.
Gas Price in L1 is required to calculate the fee.
You can use getGasPriceFromL1 for get Gas Price in L1.
const L1GasPrice = await curve.getGasPriceFromL1()
// 23348207475Calculate fee
fee = L2GasUsed*L2GasPrice + L1GasUsed*L1GasPrice
For OP and Base networks you can get L2GasPrice from curve.getGasPriceFromL2
const L2GasPrice = await curve.getGasPriceFromL2()
// 13161051Factory
Fetch new pools from blockchain
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0 });
// Fetch pools from api (if false arg is not passed)
await curve.factory.fetchPools();
await curve.crvUSDFactory.fetchPools();
await curve.EYWAFactory.fetchPools();
await curve.cryptoFactory.fetchPools();
await curve.twocryptoFactory.fetchPools();
await curve.tricryptoFactory.fetchPools();
await curve.stableNgFactory.fetchPools();
// Fetch very new pools (that haven't been added to api yet) from blockchain
await curve.factory.fetchNewPools();
// [ 'factory-v2-285' ]
await curve.cryptoFactory.fetchNewPools();
// [ 'factory-crypto-232' ]
await curve.twocryptoFactory.fetchNewPools();
// [ 'factory-twocrypto-2' ]
await curve.tricryptoFactory.fetchNewPools();
// [ 'factory-tricrypto-2' ]
await curve.stableNgFactory.fetchNewPools();
// [ 'factory-stable-ng-2' ]
})()Deploy stable plain pool
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0 });
const coins = [
"0x1456688345527bE1f37E9e627DA0837D6f08C925", // USDP
"0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3", // MIM
"0x5f98805A4E8be255a32880FDeC7F6728C6568bA0", // LUSD
];
// Deploy pool
const deployPoolTx = await curve.factory.deployPlainPool('Test pool', 'TST', coins, 200, 0.1, 0, 1);
// {
// hash: '0xb84206f6a17488459d8dfc9a9f41ae89c71d1920b7aa87ad2eefd3171ba5166c',
// type: 0,
// accessList: null,
// blockHash: '0xf1c7d05a7cebfe2331cca0e8ce0e7b45aac2097934a23c73f6e0b16fac0a9b5f',
// blockNumber: 15839419,
// transactionIndex: 0,
// confirmations: 1,
// from: '0x66aB6D9362d4F35596279692F0251Db635165871',
// gasPrice: BigNumber { _hex: '0x00', _isBigNumber: true },
// gasLimit: BigNumber { _hex: '0x1037c4', _isBigNumber: true },
// to: '0xB9fC157394Af804a3578134A6585C0dc9cc990d4',
// value: BigNumber { _hex: '0x00', _isBigNumber: true },
// nonce: 12,
// data: '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',
// r: '0x0f8f0277c982e1cf3153fd5a63a104a0338bf907fdb270589dc847c6f4b6600d',
// s: '0x32e2f279f759673e5254b893539cfe1258338f177e892b46e1edb7b73e869a3d',
// v: 38,
// creates: null,
// chainId: 1,
// wait: [Function (anonymous)]
// }
const poolAddress = await curve.factory.getDeployedPlainPoolAddress(deployPoolTx);
// 0xa77b5d170f3aec2f72ca06490a7b9383a70ae5eb
// Deploy gauge
console.log(curve.factory.gaugeImplementation());
// 0x5aE854b098727a9f1603A1E21c50D52DC834D846
const deployGaugeTx = await curve.factory.deployGauge(poolAddress);
// {
// hash: '0x8bb0eb63430e6c522c30922a833fee263816ebc0f30367d53ecfe52e17b7c3a0',
// type: 0,
// accessList: null,
// ...
// }
const gaugeAddress = await curve.factory.getDeployedGaugeAddress(deployGaugeTx);
// 0x1400e08f1d9f5bc90ae19acd4bf81beabc9e79de
// Deposit & Stake
const poolId = await curve.factory.fetchRecentlyDeployedPool(poolAddress);
// factory-v2-221
const pool = curve.getPool(poolId);
await pool.depositAndStake([10, 10, 10]); // Initial amounts for stable pool must be equal
const balances = await pool.stats.underlyingBalances();
// [ '10.0', '10.0', '10.0' ]
})()Deploy stable-ng plain pool
import curve from "@curvefi/api";
(async () => {
await curve.init('JsonRpc', {}, { gasPrice: 0 });
const coins = [
"0xae7ab96520de3a18e5e111b5eaab095312d7fe84", // stETH
"0xac3e018457b222d93114458476f3e3416abbe38f", // sfrxETH
];
//0 = Standard, 1 = Oracle, 2 = Rebasing, 3 = ERC4626
const assetTypes = [2, 1] as Array<0 | 1 | 2 | 3>;
const oracleAddresses = [
'0x0000000000000000000000000000000000000000',
'0xac3e018457b222d93114458476f3e3416abbe38f',
];
const methodNames = [
'',
'pricePerShare',
];
// OR
//const methodNames = [
// '0x00000000',
// 'pricePerShare',
//];
// Deploy pool
const deployPoolTx = await curve.stableNgFactory.deployPlainPool('Test pool', 'test', coins, 5, 0.05, 5, assetTypes, 0, 600, oracleAddresses, methodNames);
// {
// accessList:null
// blockHash: "0x981c86a28d1e4a675dae3e14868d62683c02c7906082ba78f5304a45cfd55c38"
// blockNumber: 18628729
// chainId: 1n
// data: "0x5bcd3d83000000000000000000000000000000000000000000000000000000000000016000000000000000000000000000000000000000000000000000000000000001a000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000004c4b40000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000002580000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000024000000000000000000000000000000000000000000000000000000000000002a0000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000000095465737420706f6f6c0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000474657374000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000ae7ab96520de3a18e5e111b5eaab095312d7fe84000000000000000000000000ac3e018457b222d93114458476f3e3416abbe38f00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000d8a452bc0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000