@defund-protocol/v1-sdk

v1-sdk

DeFund Protocol v1 SDK

Installation

npm install @defund-protocol/v1-sdk

How to use

Base

SDK initialization requires the following parameters

Param	type	description
chainId	number	1 for mainnet, 5 for goerli, 137 for matic, 80001 for mumbai
signer	Signer

import { UniversalSDK } from '@defund-protocol/v1-sdk';
import { Wallet, providers } from 'ethers';

const chainId = 1;
const provider = new providers.JsonRpcProvider('your json rpc url');
const signer = new Wallet('your signer privateKey', provider);
const sdk = new UniversalSDK(chainId, signer);

Swap

Swap Params

Param	Type	Description
maker	Address	your signer address
fundAddress	Address	your fund address
swapDetails	SwapDetails
overrides	Overrides

Swap Details

Param	Type	Description
opType	string	exactInput, exactOutput
tokenIn	Address
tokenOut	Address
amountIn	BigNumber	amountIn for exactInput, amountInMaximum for exactOutput
amountOut	BigNumber	amountOutMinimum for exactInput, amountOut for exactOutput
useNative	Boolean	set to true if you want to swap to or from native Token instead of warpped native Token
expiration	number	optional, default expires in 10 minutes

Overrides

You can find out more about the overrides parameter from the ethers document

const maker = signer.address;
const fundAddress = 'your fund address';
const swapDetails = {
  opType: 'exactInput',
  tokenIn: '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', // WETH Address on mainnet
  tokenOut: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', // USDC Address on mainnet
  amountIn: BigNumber.from('100000000000000000'), // 0.1 ETH
  amountOut: BigNumber.from('1000000'), // 1 USDC
  useNative: true, // use native token, use ETH in this demo
  expiration: Math.round(new Date().getTime() / 1000 + 30 * 60) // 30 minutes
};

const overrides = {};

const tx = await sdk.executeSwap(maker, fundAddress, swapDetails, overrides);

AssetsConvert

Convert Params

Param	Type	Description
maker	Address	your signer address
fundAddress	Address	your fund address
convertDetails	ConvertDetails
overrides	Overrides

Convert Details

Param	Type	Description
ratio	number	ratio of tokenIn
tokenIn	Address
tokenOut	Address
slippage	number	1 for 1%, minimum is 0.01 for 0.01%
useNative	Boolean	set to true if you want to swap to or from native Token instead of warpped native Token
expiration	number	optional, default expires in 10 minutes

const maker = signer.address;
const fundAddress = 'your fund address';
const convertDetails = {
  opType: 'assetsConvert',
  tokenIn: '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', // WETH Address on mainnet
  tokenOut: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', // USDC Address on mainnet
  ratio: 1000, // 10%
  useNative: true
};

const overrides = {};

const tx = await sdk.executeAssetsConvert(
  maker,
  fundAddress,
  convertDetails,
  overrides
);

ApproveToken

Approve Token Params

Param	Type	Description
maker	Address	your signer address
fundAddress	Address	your fund address
approveDetails	ApproveDetails
overrides	Overrides

Approve Details

Param	Type	Description
opType	string	locked to fund for now
token	Address	your token address
amount	BigNumber	Optional, default value is MaxInt256

const maker = signer.address;
const fundAddress = 'your fund address';
const approveDetails = {
  opType: 'fund',
  token: '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', // WETH Address on mainnet
};

const overrides = {};

const tx = await sdk.executeApproveToken(
  maker,
  fundAddress,
  approveDetails,
  overrides
);

GetFundAssets

You can use this method to get the asset information of the fund

const maker = signer.address;
const fundAddress = 'your fund address';

const assets = await sdk.getFundAssets(fundAddress);

GetFundInfo

You can use this method to get all the on-chain information of the fund

Params

Param	Type	Description
fundAddress	Address
lpAddress	Address	Optional, If you want to get share information about a specific lp, pass this parameter
withAssets	Boolean	The default is true, return all information, if you don't need asset information, you can pass false

const maker = signer.address;
const fundAddress = 'your fund address';

const lpAddress = 'this address of specific lp';
const witAssets = false;

const assets = await sdk.getFundAssets(fundAddress, lpAddress, withAssets);

Approve Token

const maker = signer.address;
const fundAddress = 'your fund address';

const tx = await sdk.executeApproveToken(maker, fundAddress, {token: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48'});

If approve is not required, tx returns null, otherwise returns the transaction.

Buy Fund

const maker = signer.address;
const fundAddress = 'your fund address';
const amount = BigNumber.from("10000000000000000") // 0.01 ETH

const tx = await sdk.executeBuyFund(
  maker,
  fundAddress,
  amount,
);

Sell Fund

const maker = signer.address;
const fundAddress = 'your fund address';
const amount = BigNumber.from("10000000000000000") // 0.01 ETH

const tx = await sdk.executeSellFund(
  maker,
  fundAddress,
  10, // 10 percent
);

Get Your Funds list

Role

Role	Value	Description
Manager	1	funds you manage
Operator	2	funds you can operate
Investor	3	funds you invest in

  const managerList = await sdk.getFundList(signer.address, 1);
  const operatorList = await sdk.getFundList(signer.address, 2);
  const investorList = await sdk.getFundList(signer.address, 3);

Get Fund's Lps

const fundAddress = 'your fund address';
const lps = await sdk.getFundInvestors(fundAddress);

Examples

Examples can be found at: Examples