Contract Overview
Balance: 0 Ether
Ether Value: $0
Transactions: 30 txns
Token Tracker: Token Changer (TOC)
Misc:
Address Watch: Add To Watch List
Contract Creator: 0x1947f347b6ecf1c3d7e1a58e3cdb2a15639d48beat txn 0xde4ae68125584cdfa664b65c2411e7b18e803afae4ed36725412e0000da8c452
 Latest 25 transactions from a total of 30 transactions

TxHash Age From To Value [TxFee]
0xadcb0e69bd6a164fcf7c4b012b4dffcd954b293eac95d22eb13eadb4e9e9f2e17 days 19 hrs ago0xb1887e28b5abdff9bde73cf6d619eaa7871dc08a  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000070287
0x464c3ed65ce16ec2d1989931ea5bfd39519ea65a87783ffe920dc1a37338a5657 days 19 hrs ago0xad6d7c9c5fae743a38d46dd00dc36e875ef701d0  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000070287
0x87c8f9a680bc34a4dcf666438a5a674870014f9403ba01b04cb841e16a88a97f7 days 19 hrs ago0x65bbc587e9d8483b57685412568b6f94d8a5fac3  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000070287
0x1b58dc1a309d519d307b29642eb47f5ac6d7ec5ac34caf574025b3cb1b7d983a7 days 19 hrs ago0xb0f61a0190a4cd18ee476d091aea951f9c6f0b48  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000070287
0x4ce9ca745ba72ba33105d0b868b34712e02c7ee38d5cbe1b76fc86ec802aee777 days 19 hrs ago0x089bc67528184fe04b6762c38203ed4c4117a41f  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000070287
0xc98272332f4265b8fe91bedddf118d4459d7bb9c6712976f3436de4ddc75f3ed7 days 20 hrs ago0xc3b9eac094eb7df27546f7f89e3583f153277216  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000093716
0x80222e28ba1388659af40d9eab17907e5d61995ab929d6b34bdeea14eb9e76527 days 20 hrs ago0x522d78833c4fe395984b49e661fc22a95a83fcd9  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000093716
0xcd29e59d0b6f142b321d5fe1f78d2bd0c06a8f2f4b63c88d120f47b9b0928ba120 days 20 hrs ago0x91d1f773242e2d857a5b7f4e4ecead3da61968d4  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000345861
0x8ca4c96ce6e3ee6697b86c764467c8a7975fffec4890194b8f67cb2b4b3434cb68 days 16 hrs ago0x527a75a9a46b290f7be035e84f8e9b1bb3a6e93b  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000115287
0xd2b112f634e43d53a8a76e092ce01ba0b48fb4765e66201ad2925326f4779e4278 days 20 hrs ago0x1e0325e7661f8ef11a8ca019118c96107e275043  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000345861
0x6ff45acb0e4e1d338e4d35cb9f14864a161d53f9182b82be42cbc178c5598bbf111 days 13 hrs ago0xef550caada7cd5b35f88d50fd082b5630d7a43fb  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000053429
0x0a212e9bf754e05613e903a00edf2d0b003bfbf0211d2b95fc22e121a3d19456115 days 5 hrs ago0xf340c8fd29fe818f48006d26f617a90a5a23bdab  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000307432
0x4c8bf608ef2408e58f79bd77a96a0b77ca040090682553bf78dd7f5a4ed91c65122 days 2 hrs ago0x48adc4de41cc829fa92a4cd0aaec67c592702a66  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.00038429
0xabd29e9171172f131154babd923588578f28a991748b7224a6f7fbfe8f235d59140 days 17 hrs ago0x530aa0cdc05c15ab90ec036b6214c90775252d7c  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000072081
0xb26e550d2c689617c21f09c42013d62af99f36a0d1123bb7cf38150e71e70b7d140 days 17 hrs ago0x530aa0cdc05c15ab90ec036b6214c90775252d7c  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000046858
0xc3df0ef4767a771974f25af48de77bd52dd276e6894ab33643bcf2cfb15e0c68141 days 23 hrs ago0xb1c9e8b1d3c50368067fac95f76e2d893efee63b  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000050641937
0xb715c6f2f2f25b0f136207fe93c16107378eb8785a9b94f50c91f559d8a39ccc141 days 23 hrs ago0xcf5268a7740e1545dbea4db6918decfdcef53f06  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000050641937
0x265778d855345fa39f749b12be1601f453c60af2c32bf0e002e3fc950669002f142 days 22 hrs ago0xe7b878617dc7f21e28336741b8a581d4ed46fdd2  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000076858
0x036ab0b2832ab6d0b3d30eec1d66e6518721ff9838e2d20c5383a4443826bc2f146 days 17 hrs ago0x8edaea21ba274021bd1e87c50563e9f81de7e83f  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000153716
0x9b199c9910ce7af4ccc6db60bcae836d447d372f9f6bdf65b145fdc9f2da6af3146 days 17 hrs ago0x042ce1ebd9ce4adb3cbf8b2c4efac1127c6ea05b  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000153716
0xef87def40d0701b83e4cdf5fea5801beb5b9489b3f34de3c4b3321eef1d8b34d146 days 17 hrs ago0xe8116c512c345f8231891e1baf0d902b2f042ee1  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000257719
0xd8058228785eb74a2d53ce41643451a0207bc20643e6baa6fe46515e991a4794146 days 17 hrs ago0xaf7f7dc1ecfcabeaa3b9999cde5e197f1fa20633  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.00038429
0x07d608db412d4530e51aef42a66cd5023c44c9ab0e0d082a60642ce4f1458ea2147 days 18 hrs ago0xe4f754ade73a747daeb3880f6928ca7d36a25908  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.00076858
0x4b301be1b9313a5250dfb3f5e8b28fd3c4f64f35c6f77e6b6702ddaf55b6a0c1150 days 11 hrs ago0x1947f347b6ecf1c3d7e1a58e3cdb2a15639d48be  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.00011545
0x0db8c7918939cc2586b239167a375bb92412301952d35439ea998e71279babc1153 days 14 hrs ago0x48bcbd941e032445fecb5ccb8568cb7755a2726d  IN   0x853f93ede7f5414b28b8b9c0dec55b501c913f0f0 Ether0.000076858
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Warning: The Compiled Contract might be susceptible to ExpExponentCleanup (medium/high-severity), EventStructWrongData (very low-severity) SolidityCompiler Bugs.

Contract Source Code Verified (Exact Match)
Contract Name: TOC
Compiler Text: v0.4.23+commit.124ca40d
Optimization Enabled: No
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

pragma solidity ^0.4.16;

/*SPEND APPROVAL ALERT INTERFACE*/
interface tokenRecipient { 
function receiveApproval(address _from, uint256 _value, 
address _token, bytes _extraData) external; 
}

contract TOC {
/*tokenchanger.io*/

/*TOC TOKEN*/
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;

/*user coin balance*/
mapping (address => uint256) public balances;
/*user coin allowances*/
mapping(address => mapping (address => uint256)) public allowed;

/*EVENTS*/		
/*broadcast token transfers on the blockchain*/
event Transfer(address indexed from, address indexed to, uint256 value);
/*broadcast token spend approvals on the blockchain*/
event Approval(address indexed _owner, address indexed _spender, uint _value);

/*MINT TOKEN*/
constructor() public {
name = "Token Changer";
symbol = "TOC";
decimals = 18;
/*one billion base units*/
totalSupply = 10**27;
balances[msg.sender] = totalSupply; 
}

/*INTERNAL TRANSFER*/
function _transfer(address _from, address _to, uint _value) internal {    
/*prevent transfer to invalid address*/    
if(_to == 0x0) revert();
/*check if the sender has enough value to send*/
if(balances[_from] < _value) revert(); 
/*check for overflows*/
if(balances[_to] + _value < balances[_to]) revert();
/*compute sending and receiving balances before transfer*/
uint PreviousBalances = balances[_from] + balances[_to];
/*substract from sender*/
balances[_from] -= _value;
/*add to the recipient*/
balances[_to] += _value; 
/*check integrity of transfer operation*/
assert(balances[_from] + balances[_to] == PreviousBalances);
/*broadcast transaction*/
emit Transfer(_from, _to, _value); 
}

/*PUBLIC TRANSFERS*/
function transfer(address _to, uint256 _value) external returns (bool){
_transfer(msg.sender, _to, _value);
return true;
}

/*APPROVE THIRD PARTY SPENDING*/
function approve(address _spender, uint256 _value) public returns (bool success){
/*update allowance record*/    
allowed[msg.sender][_spender] = _value;
/*broadcast approval*/
emit Approval(msg.sender, _spender, _value); 
return true;                                        
}

/*THIRD PARTY TRANSFER*/
function transferFrom(address _from, address _to, uint256 _value) 
external returns (bool success) {
/*check if the message sender can spend*/
require(_value <= allowed[_from][msg.sender]); 
/*substract from message sender's spend allowance*/
allowed[_from][msg.sender] -= _value;
/*transfer tokens*/
_transfer(_from, _to, _value);
return true;
}

/*APPROVE SPEND ALLOWANCE AND CALL SPENDER*/
function approveAndCall(address _spender, uint256 _value, 
 bytes _extraData) external returns (bool success) {
tokenRecipient 
spender = tokenRecipient(_spender);
if(approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
}
return true;
}

/*INVALID TRANSACTIONS*/
function () payable external{
revert();  
}

}/////////////////////////////////end of toc token contract

    Contract ABI  
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balances","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowed","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"}]

  Contract Creation Code Switch To Opcodes View
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   Swarm Source:
bzzr://b6258bb8c354d739609c3cf22231fe04e7fe5a15c5190ac19b0ef1401ae5668e

 

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