Address Contract Partially Verified
Address
0x9b5C38cC2d1bA05Ed87C8f8A2418475bAcb20073
Balance
0 ETH
Nonce
1
Code Size
4469 bytes
Creator
0x0e8fa9a6...Ee13 at tx 0xd31139a1...50e8b2
Indexed Transactions
0
Contract Bytecode
4469 bytes
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Verified Source Code Partial Match
Compiler: v0.4.24+commit.e67f0147
EVM: byzantium
Optimization: No
SBIO.sol 162 lines
pragma solidity ^0.4.24;
contract SafeMath {
function safeAdd(uint a, uint b) public pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) public pure returns (uint c) {
require(b <= a);
c = a - b;
}
function safeMul(uint a, uint b) public pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function safeDiv(uint a, uint b) public pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
// ----------------------------------------------------------------------------
contract ERC20Interface {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
// ----------------------------------------------------------------------------
// Contract function to receive approval and execute function in one call
//
// Borrowed from MiniMeToken
// ----------------------------------------------------------------------------
contract ApproveAndCallFallBack {
function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
}
contract Owned {
address public owner;
event OwnershipTransferred(address indexed _from, address indexed _to);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
address oldOwner = owner;
owner = _newOwner;
emit OwnershipTransferred(oldOwner, _newOwner);
}
}
contract SBIO is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
constructor() public {
symbol = "SBIO";
name = "Vector Space Biosciences, Inc.";
decimals = 18;
totalSupply = 100000000 * 10 ** uint256(decimals);
balances[owner] = totalSupply;
emit Transfer(address(0), owner, totalSupply);
}
function totalSupply() public view returns (uint) {
return totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
modifier validTo(address to) {
require(to != address(0));
require(to != address(this));
_;
}
function transferInternal(address from, address to, uint tokens) internal {
balances[from] = safeSub(balances[from], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
}
function transfer(address to, uint tokens) public validTo(to) returns (bool success) {
transferInternal(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer `tokens` from the `from` account to the `to` account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the `from` account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public validTo(to) returns (bool success) {
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
transferInternal(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account. The `spender` contract function
// `receiveApproval(...)` is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
if (approve(spender, tokens)) {
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
}
function () public payable {
revert();
}
}
Read Contract
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
owner 0x8da5cb5b → address
safeAdd 0xe6cb9013 → uint256
safeDiv 0xb5931f7c → uint256
safeMul 0xd05c78da → uint256
safeSub 0xa293d1e8 → uint256
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 5 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address spender
uint256 tokens
returns: bool
approveAndCall 0xcae9ca51
address spender
uint256 tokens
bytes data
returns: bool
transfer 0xa9059cbb
address to
uint256 tokens
returns: bool
transferFrom 0x23b872dd
address from
address to
uint256 tokens
returns: bool
transferOwnership 0xf2fde38b
address _newOwner
Recent Transactions
No transactions found for this address