Capsule Coin
ERC20
This contract is an ERC20 token.
Name
Capsule Coin
Symbol
CAPS
Decimals
18
Total Supply
2,500,000,000 CAPS
About link description
Ternoa (CAPS) is a cryptocurrency and operates on the Ethereum platform. Ternoa has a current supply of 2,500,000,000 with 165,488,125 in circulation. The last known price of Ternoa is 0.07133679 USD and is down -5.14 over the last 24 hours. It is currently trading on 5 active market(s) with $162,662.45 traded over the last 24 hours. More information can be found at https://www.ternoa.com/.
Stats
Public Functions
13
Event Types
2
Code Size
26,431 bytes
Library Use
Uses ECDSA for bytes32.
State Variables (7) keyboard_arrow_up
Functions
name keyboard_arrow_up
symbol keyboard_arrow_up
decimals keyboard_arrow_up
totalSupply keyboard_arrow_up
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
Requirements help
Source Code
function transfer(address recipient, uint256 amount)
public
virtual
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
allowance keyboard_arrow_up
approve keyboard_arrow_up
Requirements help
Source Code
function approve(address spender, uint256 amount)
public
virtual
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}
transferFrom keyboard_arrow_up
Requirements help
Source Code
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
"ERC20: transfer amount exceeds allowance"
)
);
return true;
}
increaseAllowance keyboard_arrow_up
Requirements help
Source Code
function increaseAllowance(address spender, uint256 addedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}
decreaseAllowance keyboard_arrow_up
Requirements help
Source Code
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
"ERC20: decreased allowance below zero"
)
);
return true;
}
hashForClaim keyboard_arrow_up
Parameters help
Source Code
function hashForClaim(
address from,
address to,
uint256 amount,
uint256 validity,
uint256 nonce
) public pure returns (bytes32) {
return keccak256(abi.encode(from, to, amount, validity, nonce));
}
claimOffchainGrant keyboard_arrow_up
Parameters help
Requirements help
Source Code
function claimOffchainGrant(
bytes calldata proof,
address from,
address to,
uint256 amount,
uint256 validity,
uint256 nonce
) external {
require(validity <= block.number, "Ternoa: too early");
require(!nonceUsed[from][nonce], "Ternoa: nonce already used");
bytes32 hashThatShouldBeSigned = hashForClaim(
from,
to,
amount,
validity,
nonce
).toEthSignedMessageHash();
require(hashThatShouldBeSigned.recover(proof) == from, "Ternoa: bad proof");
nonceUsed[from][nonce] = true;
_transfer(from, to, amount);
}
Internal Functions
Internal functions are parts of the contract that can't be used directly, but instead are used by the public functions listed above.
internal ERC20._transfer keyboard_arrow_up
Requirements help
Source Code
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(
amount,
"ERC20: transfer amount exceeds balance"
);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
internal ERC20._mint keyboard_arrow_up
Source Code
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
internal ERC20._burn keyboard_arrow_up
Source Code
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(
amount,
"ERC20: burn amount exceeds balance"
);
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
internal ERC20._approve keyboard_arrow_up
Requirements help
Source Code
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
internal ERC20._setupDecimals keyboard_arrow_up
internal ERC20._beforeTokenTransfer keyboard_arrow_up
internal Context._msgSender keyboard_arrow_up
internal Context._msgData keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}