4. Deposit DAI into Public Pool

Description

Deposit DAI to public liquidity pool. Once you deposit your DAIs from your funds, you will receive reDAIs.

TBD: Narratives

User Interface

Function Description

Item	Description
Contract Address	Public pool contract (referenced by Smart Contract Overview section)
Contract Name	SLDDAIPools1.sol
Function	function provide(uint256 mintAmount)
Function Selector	0x2e2ebe06
Invocation Type	Ethereum Transaction
Passing Parameters	Amount of DAIs to deposit; actual number multiplied by 1E18
Return Value	None
Event Emitted	event Provide(address indexed account, uint256 amount, uint256 writeAmount);
Event Signature	0x4089141ea5e4c16575f5ebf65f1786497ea07c175846fc7745ef8d8986a4ff65
Transaction Sample(BSC testnet)	https://testnet.bscscan.com/tx/0xae1851d19feadb5d8f4ac8dfc24f746c1d851e06bb2a80c23685162b2784a39b

ABI Description

{
	"inputs": [{
		"internalType": "uint256",
		"name": "mintAmount",
		"type": "uint256"
	}],
	"name": "provide",
	"outputs": [],
	"stateMutability": "nonpayable",
	"type": "function"
}

Examples

Calling Examples

JavaScript

var Web3 = require('web3');
const BigNumber = require('bignumber.js');

// BSC Mainnet: https://bsc-dataseed.binance.org
// BSC Testnet: https://data-seed-prebsc-1-s1.binance.org:8545
const  web3 = new Web3("https://data-seed-prebsc-1-s1.binance.org:8545");

const CONTRACT_ADDRESS = "Replace with Public Pool Contract Address";
const ABI = [{
	"inputs": [{
		"internalType": "uint256",
		"name": "amount",
		"type": "uint256"
	}],
	"name": "deposit",
	"outputs": [],
	"stateMutability": "nonpayable",
	"type": "function"
}];

// Deposit 1 DAI to public pool.
const DEPOSIT_AMOUNT = 1e18;

var contract = new web3.eth.Contract(ABI, CONTRACT_ADDRESS);

contract.methods.provide(new BigNumber(DEPOSIT_AMOUNT).toString()).send({
    from: "CALLER_ADDRESS",
}, function(error, result){
    if(!error) {
      console.log('Response:', result);
    } else {
      console.log(error);
    }
});

Python

# This example is written by using Web3.py
# More details on Web3.py could be found here - https://web3py.readthedocs.io/

HTTP Request Example

Send a Deposit Transaction

POST (BSC Mainnet) https://bsc-dataseed.binance.org/

Make a deposit transaction to Shield Protocol V1 on BSC network. More details on how to send a transaction via BSC RPC could be found here, https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_sendrawtransaction

Request Body

Name	Type	Description
jsonrpc	string	"2.0"
method	string	"eth_sendRawTransaction"
params	array	the signed transaction data coerced into string array
id	number	request sequence id, you could use timestamp as id

200 Success response.

{
  "id":64,
  "jsonrpc": "2.0",
  "result": "0x146695866343024d1ad9854a72904d16abec8b1597e098619d2addbd44b14e4c"
}