Shield V2
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        • 1. Deposit Funds
        • 2. Withdraw Funds
        • 3. Check Funds
        • 4. Deposit DAI into Public Pool
        • 5. Withdraw DAI from Public Pool
        • 6. Check Funds on Public Pool
        • 7. Deposit DAI to Private Pool
        • 8. Withdraw DAI from Private Pool
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  • Description
  • User Interface
  • Function Description
  • ABI Description
  • Examples
  • Calling Examples
  • HTTP Request Example
  • Send a Deposit Transaction
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4. Deposit DAI into Public Pool

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Last updated 2 years ago

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)

ABI Description

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

Examples

Calling Examples

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);
    }
});
# 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

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

https://testnet.bscscan.com/tx/0xae1851d19feadb5d8f4ac8dfc24f746c1d851e06bb2a80c23685162b2784a39b