ERC20
This contract is an ERC20 token.
Name
CWV Chain
Symbol
CWV
Decimals
18
Total Supply
10,000,000,000 CWV
About
link
CWV Chain (CWV) is a cryptocurrency token and operates on the Ethereum platform. CWV Chain has a current supply of 10,000,000,000 with 3,540,912,310.999 in circulation. The last known price of CWV Chain is $0.002307 USD and is up 0.53% over the last 24 hours. It is currently trading on 2 active market(s) with $9,827.62 traded over the last 24 hours. More information can be found at https://cwv.io.
Stats
Public Functions
8
Event Types
2
Code Size
4,531 bytes
Events (2) keyboard_arrow_up
Functions
totalSupply keyboard_arrow_up
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
Requirements help
Source Code
function transfer(address to, uint256 value) public returns (bool) {
require(to != address(0));
require(value <= _balances[msg.sender]);
_balances[msg.sender] = _balances[msg.sender].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(msg.sender, to, value);
return true;
}allowance keyboard_arrow_up
transferFrom keyboard_arrow_up
Requirements help
Source Code
function transferFrom(address from, address to, uint256 value) public returns (bool) {
require(to != address(0));
require(value <= _balances[from]);
require(value <= _allowances[from][msg.sender]);
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
_allowances[from][msg.sender] = _allowances[from][msg.sender].sub(value);
emit Transfer(from, to, value);
return true;
}approve keyboard_arrow_up
Source Code
function approve(address agent, uint256 value) public returns (bool) {
_allowances[msg.sender][agent] = value;
emit Approval(msg.sender, agent, value);
return true;
}increaseApproval keyboard_arrow_up
Source Code
function increaseApproval(address agent, uint value) public returns (bool) {
_allowances[msg.sender][agent] = _allowances[msg.sender][agent].add(value);
emit Approval(msg.sender, agent, _allowances[msg.sender][agent]);
return true;
}decreaseApproval keyboard_arrow_up
Source Code
function decreaseApproval(address agent, uint value) public returns (bool) {
uint allowanceValue = _allowances[msg.sender][agent];
if (value > allowanceValue) {
_allowances[msg.sender][agent] = 0;
} else {
_allowances[msg.sender][agent] = allowanceValue.sub(value);
}
emit Approval(msg.sender, agent, _allowances[msg.sender][agent]);
return true;
}
