I started learning solidty and the contract is ready. Now I want to use web3 js, but unfortunately an error occurs.
contract Staking is Ownable {
struct User {
uint256 depositAmount;
uint256 paidReward;
uint256 lockTime;
}
using SafeMath for uint256;
mapping (address => User) public users;
uint256 public rewardTillNowPerToken = 0;
uint256 public lastUpdatedBlock;
uint256 public rewardPerBlock;
uint256 public scale = 1e18;
uint public countUser;
uint256 public minDepositAng = 5;
uint256 public particleCollector = 0;
uint256 public allStaked;
StakedToken public stakedToken;
RewardToken public rewardToken;
event Deposit(address user, uint256 amount);
event Withdraw(address user, uint256 amount);
event EmergencyWithdraw(address user, uint256 amount);
event RewardClaimed(address user, uint256 amount);
event RewardPerBlockChanged(uint256 oldValue, uint256 newValue);
constructor (address _stakedToken, address _rewardToken, uint256 _rewardPerBlock) {
stakedToken = StakedToken(_stakedToken);
rewardToken = RewardToken(_rewardToken);
rewardPerBlock = _rewardPerBlock / 10000;
lastUpdatedBlock = block.number;
}
function setRewardPerBlock(uint256 _rewardPerBlock) public onlyOwner {
update();
emit RewardPerBlockChanged(rewardPerBlock, _rewardPerBlock);
rewardPerBlock = _rewardPerBlock;
}
function update() public {
if (block.number <= lastUpdatedBlock) {
return;
}
uint256 updateRewardPerUser = rewardPerBlock + (countUser / 100000);
uint256 totalStakedToken = stakedToken.balanceOf(address(this));
uint256 rewardAmount = (block.number - lastUpdatedBlock).mul(updateRewardPerUser);
rewardTillNowPerToken = rewardTillNowPerToken.add(rewardAmount.mul(scale).div(totalStakedToken));
lastUpdatedBlock = block.number;
}
function pendingReward(address _user) external view returns (uint256) {
User storage user = users[_user];
uint256 accRewardPerToken = rewardTillNowPerToken;
uint256 updateRewardPerUser = rewardPerBlock + (countUser / 100000);
if (block.number > lastUpdatedBlock) {
uint256 totalStakedToken = stakedToken.balanceOf(address(this));
uint256 rewardAmount = (block.number - lastUpdatedBlock).mul(updateRewardPerUser);
accRewardPerToken = accRewardPerToken.add(rewardAmount.mul(scale).div(totalStakedToken));
}
return user.depositAmount.mul(accRewardPerToken).div(scale).sub(user.paidReward);
}
function deposit(uint256 amount) public {
require(minDepositAng >= amount, "Deposit fail, error: Not essential ANG token");
User storage user = users[msg.sender];
update();
if (user.depositAmount > 0) {
uint256 _pendingReward = user.depositAmount.mul(rewardTillNowPerToken).div(scale).sub(user.paidReward);
rewardToken.transfer(msg.sender, _pendingReward);
emit RewardClaimed(msg.sender, _pendingReward);
}
user.depositAmount = user.depositAmount.add(amount);
user.paidReward = user.depositAmount.mul(rewardTillNowPerToken).div(scale);
user.lockTime = block.timestamp.add(3 days);
stakedToken.transferFrom(address(msg.sender), address(this), amount);
emit Deposit(msg.sender, amount);
}
function withdraw(uint256 amount) public {
User storage user = users[msg.sender];
require(user.depositAmount >= amount, "withdraw amount exceeds deposited amount");
//require(user.lockTime > block.timestamp, "withdraw fail error: 3 days have not elapsed");
update();
countUser -= 1;
uint256 _pendingReward = user.depositAmount.mul(rewardTillNowPerToken).div(scale).sub(user.paidReward);
rewardToken.transfer(msg.sender, _pendingReward);
emit RewardClaimed(msg.sender, _pendingReward);
if (amount > 0) {
allStaked = allStaked.sub(amount);
user.depositAmount = user.depositAmount.sub(amount);
stakedToken.transfer(address(msg.sender), amount);
emit Withdraw(msg.sender, amount);
}
user.paidReward = user.depositAmount.mul(rewardTillNowPerToken).div(scale);
}
function emergencyWithdraw() public {
User storage user = users[msg.sender];
stakedToken.transfer(msg.sender, user.depositAmount);
emit EmergencyWithdraw(msg.sender, user.depositAmount);
user.depositAmount = 0;
user.paidReward = 0;
}
function withdrawAllRewardTokens(address to) public onlyOwner {
uint256 totalRewardTokens = rewardToken.balanceOf(address(this));
rewardToken.transfer(to, totalRewardTokens);
}
function withdrawAllStakedtokens(address to) public onlyOwner {
uint256 totalStakedTokens = stakedToken.balanceOf(address(this));
stakedToken.transfer(to, totalStakedTokens);
}
}
JS:
web3js = new Web3(web3.currentProvider);
contractClass = new web3js.eth.Contract(abi, contractAddress);
console.log(await contractClass.methods.deposit(web3.utils.toWei('100','ether')).send(
{
from:web3js.currentProvider.selectedAddress,
gas: 100000
}
))
ERROR:
Uncaught (in promise) Error: Transaction has been reverted by the EVM:
{
"blockHash": "0xc0fd8bf89ca9442f19333456ec399f6036f18d1b20aa13d3dc4bb29cd4e93472",
"blockNumber": 17981252,
"contractAddress": null,
"cumulativeGasUsed": 1267849,
"from": "0x4951e7a29573451eacd35e7c6304898bcd15e93a",
"gasUsed": 30642,
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"status": false,
"to": "0xc01fe19cb3fb91aa45822f32770ed44053bc2776",
"transactionHash": "0x872c30252735a844172ca9ae458ceb4a937b9c1f9d92fb7276ecac70553a59da",
"transactionIndex": 11,
"type": "0x0",
"events": {}
}
What have I done wrong? thanks in advance for the answers!
