decentralized-finance-defi

Decentralized Finance

This package provides a variety of DeFi features like payments, deposits, loans and automated investment patterns.

Explore the space of distributed ledger based banking.

Contributions are welcome.

Usage Examples

Get Current Gas Price Info

const { DeFiService } = require("decentralized-finance-defi")

const gasPriceInfo = await DeFiService.getGasPriceInfo()
console.log(gasPriceInfo.fastest)

Get Compound Account Data

const { DeFiService } = require("decentralized-finance-defi")

const walletAddress = '0xA63CD0d627c34Ce3958c4a82E6bB12F7b9C1c324'
const accountInfo = await DeFiService.getCompoundAccountData(walletAddress)

console.log(`The collateral value in ETH is: ${accountInfo.total_collateral_value_in_eth.value}.`)

Get Crypto Currency Prices (API Key Required)

const { DeFiService } = require("decentralized-finance-defi")

const pricesWithTimeStamp = DeFiService.getPriceDataWithTimeStamp()

// There will be ETH :)
console.log(pricesWithTimeStamp[1])

Transfer Ether

require('dotenv').config() // this ensures process.env. ... contains your .env file configuration values
    
const { DeFiService } = require("decentralized-finance-defi")

const fromWalletAddress = process.env.SENDER_WALLET_ADDRESS
const toWalletAddress = process.env.RECEIVER_WALLET_ADDRESS
const amountInETH = 1
const senderPrivateKey = process.env.SENDER_WALLET_PRIVATE_KEY

await DeFiService.transferEther(fromWalletAddress, toWalletAddress, amountInETH, senderPrivateKey)

Deposit Ether to Compound

require('dotenv').config() // this ensures process.env. ... contains your .env file configuration values
    
const { DeFiService } = require("decentralized-finance-defi")

const amountOfEtherToBeDeposited = 1
const senderPrivateKey = process.env.SENDER_WALLET_PRIVATE_KEY
const gasLimit = 250000
const web3ProviderURL = process.env.PROVIDER_URL // e.g. https://mainnet.infura.io/v3/yourinfuraprojectid

await DeFiService.depositEtherToCompound(amountOfEtherToBeDeposited, senderWalletPrivateKey, gasLimit web3ProviderURL)

Borrow Ether from Compound

require('dotenv').config() // this ensures process.env. ... contains your .env file configuration values
    
const { DeFiService } = require("decentralized-finance-defi")

const amountOfDAIToBeBorrowed = 100
const walletPrivateKey = process.env.SENDER_WALLET_PRIVATE_KEY
const gasLimit = 250000
const web3ProviderURL = process.env.PROVIDER_URL // e.g. https://mainnet.infura.io/v3/yourinfuraprojectid

await DeFiService.borrowDAIFromCompound(amountOfDAIToBeBorrowed, walletPrivateKey, gasLimit, web3ProviderURL)

Swap DAI to Ether via Uniswap

require('dotenv').config() // this ensures process.env. ... contains your .env file configuration values
    
const { DeFiService } = require("decentralized-finance-defi")

const amountOfDAIToBeSwapped = 50
const walletAddress = process.env.SENDER_WALLET_ADDRESS
const walletPrivateKey = process.env.SENDER_WALLET_PRIVATE_KEY
const web3ProviderURL = process.env.PROVIDER_URL // e.g. https://mainnet.infura.io/v3/yourinfuraprojectid

await DeFiService.swapDAIToETH(amountOfDAIToBeSwapped, walletAddress, walletPrivateKey, web3ProviderURL)

Redeem Asset from Compound

    require('dotenv').config() // this ensures process.env. ... contains your .env file configuration values
    
    const { DeFiService } = require("decentralized-finance-defi")
    
    const walletAddress = process.env.SENDER_WALLET_ADDRESS
    const walletPrivateKey = process.env.SENDER_WALLET_PRIVATE_KEY
    const gasLimit = 250000
    const web3ProviderURL = process.env.PROVIDER_URL // e.g. https://mainnet.infura.io/v3/yourinfuraprojectid
    const amount = 1 // redeem 1 cETH
    
    await DeFiService.redeemAssetFromCompound(walletAddress,  walletPrivateKey, gasLimit, web3ProviderURL, amount)

Further Features

You can find many more simple and general examples in the DeFi Service file.

If you are looking for something more specific, feel free to check the corresponding folders and class definitions within the src folder.

If you did not find what you are looking for, feel free to raise an issue or even better raise a Pull Request.