Global Social Chain
ERC20
This contract is an ERC20 token.
Name
Global Social Chain
Symbol
GSC
Decimals
18
Total Supply
1,000,000,000 GSC
About
link
Global Social Chain (GSC) is a cryptocurrency and operates on the Ethereum platform. Global Social Chain has a current supply of 1,000,000,000 with 584,249,230.26506 in circulation. The last known price of Global Social Chain is 0.00618651 USD and is up 4.10 over the last 24 hours. It is currently trading on 6 active market(s) with $47,103.06 traded over the last 24 hours. More information can be found at https://www.gsc.social.
Stats
Public Functions
9
Event Types
3
Code Size
11,462 bytes
Constants (14) keyboard_arrow_up
State Variables (5) keyboard_arrow_up
Functions
transferOwnership keyboard_arrow_up
Modifiers help
onlyOwner checks for the following:
Source Code
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
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]);
// SafeMath.sub will throw if there is not enough balance.
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
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 <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
Transfer(_from, _to, _value);
return true;
}
approve keyboard_arrow_up
Source Code
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
increaseApproval keyboard_arrow_up
Source Code
function increaseApproval(address _spender, uint256 _addedValue)
public
returns (bool)
{
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(
_addedValue
);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
decreaseApproval keyboard_arrow_up
Source Code
function decreaseApproval(address _spender, uint256 _subtractedValue)
public
returns (bool)
{
uint256 oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
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 GSCToken.makeGrant keyboard_arrow_up
Parameters help
Source Code
function makeGrant(
address _beneficiary,
uint256 _start,
uint256 _duration,
uint256 _amount,
uint8 _releaseCount
) internal pure returns (VestingGrant) {
return
VestingGrant({
beneficiary: _beneficiary,
start: _start,
duration: _duration,
amount: _amount,
transfered: 0,
releaseCount: _releaseCount
});
}
internal GSCToken.releasableAmount keyboard_arrow_up
Source Code
function releasableAmount(uint256 time, VestingGrant grant)
internal
pure
returns (uint256)
{
if (grant.amount == grant.transfered) {
return 0;
}
uint256 amountPerRelease = grant.amount.div(grant.releaseCount);
uint256 amount = amountPerRelease.mul(
(time.sub(grant.start)).div(grant.duration)
);
if (amount > grant.amount) {
amount = grant.amount;
}
amount = amount.sub(grant.transfered);
return amount;
}
internal GSCToken.relaseVestingGrant keyboard_arrow_up
Source Code
function relaseVestingGrant(VestingGrant storage grant) internal {
uint256 amount = releasableAmount(now, grant);
require(amount > 0);
grant.transfered = grant.transfered.add(amount);
totalSupply = totalSupply.add(amount);
balances[grant.beneficiary] = balances[grant.beneficiary].add(amount);
Transfer(address(0), grant.beneficiary, amount);
}
