@mercurial-finance/vault-sdk v0.5.3
Mercurial Vault SDK
Getting started
NPM: https://www.npmjs.com/package/@mercurial-finance/vault-sdk
SDK: https://github.com/mercurial-finance/vault-sdk
Demo: https://vault-sdk-demo.vercel.app/
Demo repo: https://github.com/mercurial-finance/vault-sdk-demo
- Easiest way to get started with our Typescript SDK, the example demo includes all functionality and information we display on our own site.
Docs: https://docs.mercurial.finance/mercurial-dynamic-yield-infra/
Discord: https://discord.com/channels/841152225564950528/864859354335412224
Install
- Install deps
npm i @mercurial-finance/vault-sdk @project-serum/anchor @solana/web3.js @solana/spl-token @solana/spl-token-registry
- Initialize VaultImpl instance
- Affiliate or partner? refer to the Vault Affiliate Program
import VaultImpl from '@mercurial-finance/vault-sdk';
import { PublicKey } from '@solana/web3.js';
import { StaticTokenListResolutionStrategy, TokenInfo } from "@solana/spl-token-registry";
import { Wallet, AnchorProvider } from '@project-serum/anchor';
// Connection, Wallet, and AnchorProvider to interact with the network
const mainnetConnection = new Connection('https://api.mainnet-beta.solana.com');
const mockWallet = new Wallet(new Keypair());
const provider = new AnchorProvider(mainnetConnection, mockWallet, {
commitment: 'confirmed',
});
// Alternatively, to use Solana Wallet Adapter, refer to `Demo Repo`
const tokenMap = new StaticTokenListResolutionStrategy().resolve();
// Find the token info you want to use.
const SOL_TOKEN_INFO = tokenMap.find(token => token.symbol === 'SOL') as TokenInfo;
const vaultImpl = await VaultImpl.create(connection, SOL_TOKEN_INFO);
- To interact with the VaultImpl
// To refetch the vault's latest supply
// Alternatively, use `vaultImpl.lpSupply`
const lpSupply = await vaultImpl.getVaultSupply();
// Rewards are not instantly redeemable, and are subject to a lock.
// This function returns the amount of LP that are redeemable.
const unlockedAmount = await vaultImpl.getWithdrawableAmount()
// To deposit into the vault
const amountInLamports = 1 * 10 ** SOL_TOKEN_INFO.decimals; // 1.0 SOL
const depositTx = await vaultImpl.deposit(mockWallet.publicKey, new BN(amountInLamports)); // Web3 Transaction Object
const depositResult = await provider.sendAndConfirm(depositTx); // Transaction hash
// Get the user's ATA LP balance
const userLpBalance = await vaultImpl.getUserBalance(mockWallet.publicKey);
// To withdraw from the vault
const withdrawTx = await vaultImpl.withdraw(mockWallet.publicKey, new BN(userLpBalance)); // Web3 Transaction Object
const withdrawResult = await provider.sendAndConfirm(withdrawTx); // Transaction hash
- Helper function
import { helper } from '@mercurial-finance/vault-sdk';
const userShare = await vaultImpl.getUserBalance(mockWallet.publicKey);
const unlockedAmount = await vaultImpl.getWithdrawableAmount()
const lpSupply = await vaultImpl.getVaultSupply();
// To convert user's LP balance into underlying token amount
const underlyingShare = helper.getAmountByShare(userShare, unlockedAmount, lpSupply)
// To convert underlying token amount into user's LP balance
const amountInLamports = 1 * 10 ** SOL_TOKEN_INFO.decimals; // 1.0 SOL
const lpToUnmint = helper.getUnmintAmount(new BN(amountInLamports), unlockedAmount, lpSupply) // To withdraw 1.0 SOL
Vault Affiliate
To be a part of the Mercurial Finance's Vault Affiliate Program, visit our Discord above!
To initialize vault with affiliate
Affiliates only need to initialize the vault instance with the third paratemer opt.affiliate
, subsequently, all interaction with the vault are the same as the usage guide above, no further configuration required.
const vaultImpl = await VaultImpl.create(
connection,
SOL_TOKEN_INFO,
{
affiliateId: new PublicKey('YOUR_PARTNER_PUBLIC_KEY');
}
);
To check Partner info
// Affiliate / Partner info
const partnerInfo = await vaultImpl.getAffiliateInfo();
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