ERC20
This contract is an ERC20 token.
Name
AdEx
Symbol
ADX
Decimals
4
Total Supply
0 ADX
About
Stats
Public Functions
19
Event Types
5
Code Size
25,852 bytes
Events (5) keyboard_arrow_up
Functions
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
Requirements help
Source Code
function transfer(address _to, uint _value)
{
if (_to == msg.sender) return; // no-op, allow even during crowdsale, in order to work around using grantVestedTokens() while in crowdsale
if (!isCrowdfundCompleted()) throw;
super.transfer(_to, _value);
}
allowance keyboard_arrow_up
transferFrom keyboard_arrow_up
Modifiers help
is_crowdfund_completed checks for the following:
Source Code
function transferFrom(address _from, address _to, uint _value)
is_crowdfund_completed
{
super.transferFrom(_from, _to, _value);
}
approve keyboard_arrow_up
Requirements help
One or more of the following:
Source Code
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
transferableTokens keyboard_arrow_up
Source Code
function transferableTokens(address holder, uint64 time) constant public returns (uint256) {
uint256 grantIndex = tokenGrantsCount(holder);
if (grantIndex == 0) return balanceOf(holder); // shortcut for holder without grants
// Iterate through all the grants the holder has, and add all non-vested tokens
uint256 nonVested = 0;
for (uint256 i = 0; i < grantIndex; i++) {
nonVested = SafeMath.add(nonVested, nonVestedTokens(grants[holder][i], time));
}
// Balance - totalNonVested is the amount of tokens a holder can transfer at any given time
uint256 vestedTransferable = SafeMath.sub(balanceOf(holder), nonVested);
// Return the minimum of how many vested can transfer and other value
// in case there are other limiting transferability factors (default is balanceOf)
return SafeMath.min256(vestedTransferable, super.transferableTokens(holder, time));
}
grantVestedTokens keyboard_arrow_up
Parameters help
Requirements help
MAX_GRANTS_PER_ADDRESS
must be greater than or equal to
the result of calling tokenGrantsCount with the sender's address
Source Code
function grantVestedTokens(
address _to,
uint256 _value,
uint64 _start,
uint64 _cliff,
uint64 _vesting,
bool _revokable,
bool _burnsOnRevoke
) public {
// Check for date inconsistencies that may cause unexpected behavior
if (_cliff < _start || _vesting < _cliff) {
throw;
}
if (tokenGrantsCount(_to) > MAX_GRANTS_PER_ADDRESS) throw; // To prevent a user being spammed and have his balance locked (out of gas attack when calculating vesting).
uint count = grants[_to].push(
TokenGrant(
_revokable ? msg.sender : 0, // avoid storing an extra 20 bytes when it is non-revokable
_value,
_cliff,
_vesting,
_start,
_revokable,
_burnsOnRevoke
)
);
transfer(_to, _value);
NewTokenGrant(msg.sender, _to, _value, count - 1);
}
revokeTokenGrant keyboard_arrow_up
Requirements help
Source Code
function revokeTokenGrant(address _holder, uint _grantId) public {
TokenGrant grant = grants[_holder][_grantId];
if (!grant.revokable) { // Check if grant was revokable
throw;
}
if (grant.granter != msg.sender) { // Only granter can revoke it
throw;
}
address receiver = grant.burnsOnRevoke ? 0xdead : msg.sender;
uint256 nonVested = nonVestedTokens(grant, uint64(now));
// remove grant from array
delete grants[_holder][_grantId];
grants[_holder][_grantId] = grants[_holder][grants[_holder].length.sub(1)];
grants[_holder].length -= 1;
balances[receiver] = balances[receiver].add(nonVested);
balances[_holder] = balances[_holder].sub(nonVested);
Transfer(_holder, receiver, nonVested);
}
tokenGrantsCount keyboard_arrow_up
calculateVestedTokens keyboard_arrow_up
Parameters help
Source Code
function calculateVestedTokens(
uint256 tokens,
uint256 time,
uint256 start,
uint256 cliff,
uint256 vesting) constant returns (uint256)
{
// Shortcuts for before cliff and after vesting cases.
if (time < cliff) return 0;
if (time >= vesting) return tokens;
// Interpolate all vested tokens.
// As before cliff the shortcut returns 0, we can use just calculate a value
// in the vesting rect (as shown in above's figure)
// vestedTokens = tokens * (time - start) / (vesting - start)
uint256 vestedTokens = SafeMath.div(
SafeMath.mul(
tokens,
SafeMath.sub(time, start)
),
SafeMath.sub(vesting, start)
);
return vestedTokens;
}
tokenGrant keyboard_arrow_up
Source Code
function tokenGrant(address _holder, uint _grantId) constant returns (address granter, uint256 value, uint256 vested, uint64 start, uint64 cliff, uint64 vesting, bool revokable, bool burnsOnRevoke) {
TokenGrant grant = grants[_holder][_grantId];
granter = grant.granter;
value = grant.value;
start = grant.start;
cliff = grant.cliff;
vesting = grant.vesting;
revokable = grant.revokable;
burnsOnRevoke = grant.burnsOnRevoke;
vested = vestedTokens(grant, uint64(now));
}
lastTokenIsTransferableDate keyboard_arrow_up
Source Code
function lastTokenIsTransferableDate(address holder) constant public returns (uint64 date) {
date = uint64(now);
uint256 grantIndex = grants[holder].length;
for (uint256 i = 0; i < grantIndex; i++) {
date = SafeMath.max64(grants[holder][i].vesting, date);
}
}
getPriceRate keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function getPriceRate()
constant
returns (uint o_rate)
{
uint delta = SafeMath.sub(now, publicStartTime);
if (delta > STAGE_TWO_TIME_END) return PRICE_STAGE_THREE;
if (delta > STAGE_ONE_TIME_END) return PRICE_STAGE_TWO;
return (PRICE_STAGE_ONE);
}
calcAmount keyboard_arrow_up
preBuy keyboard_arrow_up
Parameters help
This function has no parameters.
Modifiers help
is_pre_crowdfund_period checks for the following:
is_not_halted checks for the following:
Requirements help
UNKNOWN VALUE + 365
must be greater than or equal to
UNKNOWN VALUE + 91
UNKNOWN VALUE + 91
must be greater than or equal to
UNKNOWN VALUE
MAX_GRANTS_PER_ADDRESS
must be greater than or equal to
the result of calling tokenGrantsCount with the sender's address
Source Code
function preBuy()
payable
is_pre_crowdfund_period
is_not_halted
{
// Pre-buy participants would get the first-day price, as well as a bonus of vested tokens
uint priceVested = 0;
if (msg.sender == preBuy1) priceVested = preBuyPrice1;
if (msg.sender == preBuy2) priceVested = preBuyPrice2;
if (msg.sender == preBuy3) priceVested = preBuyPrice3;
if (priceVested == 0) throw;
uint amount = processPurchase(PRICE_STAGE_ONE + priceVested, SafeMath.sub(PREBUY_PORTION_MAX, prebuyPortionTotal));
grantVestedTokens(msg.sender, calcAmount(msg.value, priceVested),
uint64(now), uint64(now) + 91 days, uint64(now) + 365 days,
false, false
);
prebuyPortionTotal += amount;
PreBuy(amount);
}
constructor keyboard_arrow_up
Parameters help
This function has no parameters.
Modifiers help
is_crowdfund_period checks for the following:
null
is_not_halted checks for the following:
Source Code
function()
payable
is_crowdfund_period
is_not_halted
{
uint amount = processPurchase(getPriceRate(), SafeMath.sub(ALLOC_CROWDSALE, ADXSold));
Buy(msg.sender, amount);
}
grantVested keyboard_arrow_up
Modifiers help
is_crowdfund_completed checks for the following:
only_owner checks for the following:
is_not_halted checks for the following:
Requirements help
UNKNOWN VALUE + 365
must be greater than or equal to
UNKNOWN VALUE + 91
UNKNOWN VALUE + 91
must be greater than or equal to
UNKNOWN VALUE
MAX_GRANTS_PER_ADDRESS
must be greater than or equal to
the result of calling tokenGrantsCount with the sender's address
UNKNOWN VALUE + 365
must be greater than or equal to
UNKNOWN VALUE + 91
UNKNOWN VALUE + 91
must be greater than or equal to
UNKNOWN VALUE
MAX_GRANTS_PER_ADDRESS
must be greater than or equal to
the result of calling tokenGrantsCount with the sender's address
Source Code
function grantVested(address _adexTeamAddress, address _adexFundAddress)
is_crowdfund_completed
only_owner
is_not_halted
{
// Grant tokens pre-allocated for the team
grantVestedTokens(
_adexTeamAddress, ALLOC_TEAM,
uint64(now), uint64(now) + 91 days , uint64(now) + 365 days,
false, false
);
// Grant tokens that remain after crowdsale to the AdEx fund, vested for 2 years
grantVestedTokens(
_adexFundAddress, balances[ownerAddress],
uint64(now), uint64(now) + 182 days , uint64(now) + 730 days,
false, false
);
}
toggleHalt keyboard_arrow_up
Modifiers help
only_owner checks for the following:
Source Code
function toggleHalt(bool _halted)
only_owner
{
halted = _halted;
}