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Migration of DECAs ERC20 to truffle and openzepplin

This commit is contained in:
David E. Perez Negron Rocha 2019-12-28 20:25:08 -06:00
parent 1af0f37e30
commit 9034a8af4d
18 changed files with 40282 additions and 1522 deletions
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268
DECA_ERC20_0.4.26.sol
View File

@ -1,268 +0,0 @@
pragma solidity 0.4.26;
// ----------------------------------------------------------------------------
// 'DECA' DEcentralized CArbon tokens - ITDE (initial token distribution event)
//
// Deployed to : 0xD9497a4ee4D9E6E73EC1126D2f7827DEA8A51154
// Network : Ropsten
// Symbol : DECA
// Name : Decentralized Carbon tokens
// Total supply: Gazillion
// Decimals : 18
//
// Enjoy.
//
// (c) by Moritz Neto & Daniel Bar with BokkyPooBah / Bok Consulting Pty Ltd Au 2017. The MIT Licence.
// fork and modifications to fix DECA's ICO needs by p1r0 <p1r0@neetsec.com> and kaicudon <kaicudon@neetsec.com>
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// Safe maths
// ----------------------------------------------------------------------------
contract SafeMath {
function safeAdd(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function safeMul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function safeDiv(uint a, uint b) internal 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-token-standard.md
// ----------------------------------------------------------------------------
contract ERC20Interface {
function totalSupply() public constant returns (uint);
function balanceOf(address tokenOwner) public constant returns (uint balance);
function allowance(address tokenOwner, address spender) public constant 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;
}
// ----------------------------------------------------------------------------
// Owned contract
// ----------------------------------------------------------------------------
contract Owned {
address public owner;
address public newOwner;
string public _CCDBAddress;
event OwnershipTransferred(address indexed _from, address indexed _to);
constructor () public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function updateCCDBAddress(string CCDBAddress) public onlyOwner {
_CCDBAddress = CCDBAddress;
}
function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner);
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
newOwner = address(0);
}
}
// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ----------------------------------------------------------------------------
contract DECAToken is ERC20Interface, Owned, SafeMath {
string public symbol = "DECA";
string public name = "DEcentralized CArbon tokens";
uint8 public decimals = 18;
uint public _totalSupply;
//for testing change weeks for hours...
uint public preICOEnds = now + 1 hours;
uint public bonus1Ends = now + 3 hours;
uint public bonus2Ends = now + 6 hours;
uint public endDate = now + 11 hours;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Total supply: Get the total token supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to `to` account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, 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-token-standard.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) {
// approve should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'increaseApproval' and 'decreaseApproval'
if (allowed[msg.sender][spender] == 0 || tokens == 0){
emit Approval(msg.sender, spender, tokens);
return true;
}
return false;
}
/*
* approve should be called when allowed[spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
*/
function increaseApproval (address spender, uint tokens) public returns (bool success){
allowed[msg.sender][spender] = safeAdd(allowed[msg.sender][spender], tokens);
emit Approval(msg.sender, spender, allowed[msg.sender][spender]);
return true;
}
function decreaseApproval (address spender, uint tokens) public returns (bool success) {
uint oldValue = allowed[msg.sender][spender];
if (tokens > oldValue) {
allowed[msg.sender][spender] = 0;
}
else{
allowed[msg.sender][spender] = safeSub(oldValue, tokens);
}
emit Approval(msg.sender, spender, allowed[msg.sender][spender]);
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 returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant 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) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// 1,000 DECA Tokens per 1 ETH
// ------------------------------------------------------------------------
function () public payable {
require(now <= endDate);
uint tokens;
uint toOwner;
uint toSender;
uint divBy;
divBy = 10; // division to get 10%
if (now <= preICOEnds) {
tokens = msg.value * 2000;
} else if (now > preICOEnds && now <= bonus1Ends ) {
tokens = msg.value * 1500;
} else if (now > bonus1Ends && now <= bonus2Ends) {
tokens = msg.value * 1250;
} else {
tokens = msg.value * 1000;
}
toOwner = safeDiv(tokens, divBy); // divBy to get the percentage assigned to the contract owner (for exchange to Cabron Credits)
toSender = tokens; // tokens goes to sender
balances[msg.sender] = safeAdd(balances[msg.sender], toSender);
balances[owner] = safeAdd(balances[owner], toOwner);
_totalSupply = safeAdd(_totalSupply, safeAdd(toSender,toOwner));
emit Transfer(address(0), msg.sender, toSender);
emit Transfer(address(0), owner, toOwner);
}
//Close down the ICO and Claim the Ether.
function getETH() public onlyOwner {
require(now >= endDate );
// transfer the ETH balance in the contract to the owner
owner.transfer(address(this).balance);
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
}

268
DECA_ERC20_0.5.3.sol
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@ -1,268 +0,0 @@
pragma solidity 0.5.3;
// ----------------------------------------------------------------------------
// 'DECA' DEcentralized CArbon tokens - ITDE (initial token distribution event)
//
// Deployed to : ------
// Network : Ropsten
// Symbol : DECA
// Name : Decentralized Carbon tokens
// Total supply: Gazillion
// Decimals : 18
//
// (c) by Moritz Neto & Daniel Bar with BokkyPooBah / Bok Consulting Pty Ltd Au 2017. The MIT Licence.
// fork and modifications to fix DECA's ICO needs by p1r0 <p1r0@neetsec.com>,
// Oscar <oscar@neetsec.com> and kaicudon <kaicudon@neetsec.com>
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// Safe maths
// ----------------------------------------------------------------------------
contract SafeMath {
function safeAdd(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function safeMul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function safeDiv(uint a, uint b) internal 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-token-standard.md
// ----------------------------------------------------------------------------
contract ERC20Interface {
function getTotalSupply() 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 increaseApproval (address spender, uint tokens) public returns (bool success);
function decreaseApproval (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 memory data) public;
}
// ----------------------------------------------------------------------------
// Owned contract
// ----------------------------------------------------------------------------
contract Owned {
address payable public owner;
address payable public newOwner;
string public CCDBAddress;
event OwnershipTransferred(address indexed _from, address indexed _to);
constructor () public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
// ----------------------------------------------------------------------------
//Function that updates the orbitDB address at IPFS
//This database will store the carbon credits gotten by the 20% DECAS that the contract owner recives
// ----------------------------------------------------------------------------
function updateCCDBAddress(string memory _CCDBAddress) public onlyOwner {
CCDBAddress = _CCDBAddress;
}
function transferOwnership(address payable _newOwner) public onlyOwner {
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner);
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
newOwner = address(0);
}
}
// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ----------------------------------------------------------------------------
contract DECAToken is ERC20Interface, Owned, SafeMath {
string constant public symbol = "DECA";
string constant public name = "DEcentralized CArbon tokens";
uint8 constant public decimals = 18;
uint public totalSupply;
//for testing change weeks for hours...
uint public preICOEnds = now + 1 weeks;
uint public bonus1Ends = now + 3 weeks;
uint public bonus2Ends = now + 6 weeks;
uint public endDate = now + 11 weeks;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Total supply: Get the total token supply
// ------------------------------------------------------------------------
function getTotalSupply() public view returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to `to` account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
// approves to set an allowance
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// approve should be called when allowed[spender] == 0. To increment
// allowed value is better to use this function to avoid 2 calls (and wait until
// the first transaction is mined)
// ------------------------------------------------------------------------
function increaseApproval (address spender, uint tokens) public returns (bool success){
allowed[msg.sender][spender] = safeAdd(allowed[msg.sender][spender], tokens);
emit Approval(msg.sender, spender, allowed[msg.sender][spender]);
return true;
}
function decreaseApproval (address spender, uint tokens) public returns (bool success) {
uint oldValue = allowed[msg.sender][spender];
if (tokens > oldValue) {
allowed[msg.sender][spender] = 0;
}
else{
allowed[msg.sender][spender] = safeSub(oldValue, tokens);
}
emit Approval(msg.sender, spender, allowed[msg.sender][spender]);
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 returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
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 memory data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data);
return true;
}
// ------------------------------------------------------------------------
// 100 DECA Tokens per 1 ETH
// ------------------------------------------------------------------------
function () external payable {
require(now <= endDate);
uint tokens;
uint toOwner;
uint toSender;
uint divBy;
// ------------------------------------------------------------------------
// We want to have 20% of the DECA tokens market cap in order to exchange
// them for carbon credits and have a better decentralization
// NOTE: The Contract Owner must publish this usage in the orbitdb database
// in order to prove that it's not holding using them with any other propose
// (this can be also verified by the blockchain).
// ------------------------------------------------------------------------
divBy = 4; // 25% extra printed to be 20% of the marketcap, please see README.md
if (now <= preICOEnds) {
tokens = msg.value * 200;
} else if (now > preICOEnds && now <= bonus1Ends ) {
tokens = msg.value * 150;
} else if (now > bonus1Ends && now <= bonus2Ends) {
tokens = msg.value * 125;
} else {
tokens = msg.value * 100;
}
toOwner = safeDiv(tokens, divBy); //created 25% extra to the contract owner
toSender = tokens; //tokens that goes to the sender
balances[msg.sender] = safeAdd(balances[msg.sender], toSender);
balances[owner] = safeAdd(balances[owner], toOwner);
totalSupply = safeAdd(totalSupply, safeAdd(toSender,toOwner));
emit Transfer(address(0), msg.sender, toSender);
emit Transfer(address(0), owner, toOwner);
}
//Close down the ICO and claim the Ether.
function getETH() public onlyOwner {
require(now >= endDate );
// transfer the ETH balance in the contract to the owner
owner.transfer(address(this).balance);
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
}

493
DECA_IERC20_0.4.26.json
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@ -1,493 +0,0 @@
[
{
"constant": true,
"inputs": [],
"name": "name",
"outputs": [
{
"name": "",
"type": "string"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "spender",
"type": "address"
},
{
"name": "tokens",
"type": "uint256"
}
],
"name": "approve",
"outputs": [
{
"name": "success",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [],
"name": "getETH",
"outputs": [],
"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": "tokens",
"type": "uint256"
}
],
"name": "transferFrom",
"outputs": [
{
"name": "success",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "decimals",
"outputs": [
{
"name": "",
"type": "uint8"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "_CCDBAddress",
"outputs": [
{
"name": "",
"type": "string"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "_totalSupply",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "spender",
"type": "address"
},
{
"name": "tokens",
"type": "uint256"
}
],
"name": "decreaseApproval",
"outputs": [
{
"name": "success",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "tokenOwner",
"type": "address"
}
],
"name": "balanceOf",
"outputs": [
{
"name": "balance",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [],
"name": "acceptOwnership",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "CCDBAddress",
"type": "string"
}
],
"name": "updateCCDBAddress",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "owner",
"outputs": [
{
"name": "",
"type": "address"
}
],
"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": "tokens",
"type": "uint256"
}
],
"name": "transfer",
"outputs": [
{
"name": "success",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "endDate",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "spender",
"type": "address"
},
{
"name": "tokens",
"type": "uint256"
},
{
"name": "data",
"type": "bytes"
}
],
"name": "approveAndCall",
"outputs": [
{
"name": "success",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "newOwner",
"outputs": [
{
"name": "",
"type": "address"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "spender",
"type": "address"
},
{
"name": "tokens",
"type": "uint256"
}
],
"name": "increaseApproval",
"outputs": [
{
"name": "success",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "tokenAddress",
"type": "address"
},
{
"name": "tokens",
"type": "uint256"
}
],
"name": "transferAnyERC20Token",
"outputs": [
{
"name": "success",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "tokenOwner",
"type": "address"
},
{
"name": "spender",
"type": "address"
}
],
"name": "allowance",
"outputs": [
{
"name": "remaining",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "bonus1Ends",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "bonus2Ends",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "_newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "preICOEnds",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
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493
DECA_IERC20_0.5.3.json
View File

@ -1,493 +0,0 @@
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595
build/contracts/Context.json Normal file
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"nodeType": "VariableDeclaration",
"scope": 380,
"src": "933:12:2",
"stateVariable": false,
"storageLocation": "memory",
"typeDescriptions": {
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes"
},
"typeName": {
"id": 371,
"name": "bytes",
"nodeType": "ElementaryTypeName",
"src": "933:5:2",
"typeDescriptions": {
"typeIdentifier": "t_bytes_storage_ptr",
"typeString": "bytes"
}
},
"value": null,
"visibility": "internal"
}
],
"src": "932:14:2"
},
"scope": 381,
"src": "890:222:2",
"stateMutability": "view",
"superFunction": null,
"visibility": "internal"
}
],
"scope": 382,
"src": "525:589:2"
}
],
"src": "0:1115:2"
},
"compiler": {
"name": "solc",
"version": "0.5.12+commit.7709ece9.Emscripten.clang"
},
"networks": {},
"schemaVersion": "3.0.19",
"updatedAt": "2019-12-29T01:52:30.751Z",
"devdoc": {
"methods": {}
},
"userdoc": {
"methods": {}
}
}

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pragma solidity 0.5.12;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
// ----------------------------------------------------------------------------
// 'DECA' DEcentralized CArbon tokens - ITDE (initial token distribution event)
//
// Deployed to : ------
// Network : Ropsten
// Symbol : DECA
// Name : DEcentralized CArbon tokens
// Total supply: Gazillion
// Decimals : 18
//
// Designed and wrote by D. Perez Negron <david@neetsec.com> A.K.A p1r0
// Test and Migrations to truffle by vitaliykuzmich
// ----------------------------------------------------------------------------
/**
* @dev The reason using this instead of openzeppelin, because owner are not 'payable'
*/
contract Ownable is Context {
address payable private _owner;
using SafeMath for uint256;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
_owner = _msgSender();
emit OwnershipTransferred(address(0), _owner);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address payable) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address payable newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address payable newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ----------------------------------------------------------------------------
contract DECAToken is ERC20, Ownable {
using SafeMath for uint256;
string constant public symbol = "DECA";
string constant public name = "DEcentralized CArbon tokens";
uint8 constant public decimals = 18;
//for testing change weeks for hours...
uint public preICOEnds = now + 1 weeks;
uint public bonus1Ends = now + 3 weeks;
uint public bonus2Ends = now + 6 weeks;
uint public endDate = now + 11 weeks;
// ------------------------------------------------------------------------
// 100 DECA Tokens per 1 ETH
// ------------------------------------------------------------------------
function() external payable {
require(now <= endDate);
uint tokens;
uint toOwner;
uint toSender;
uint divBy;
divBy = 40; //2.5% extra printed to be 2% of the marketcap, please see README.md
if (now <= preICOEnds) {
tokens = msg.value * 200;
} else if (now > preICOEnds && now <= bonus1Ends) {
tokens = msg.value * 150;
} else if (now > bonus1Ends && now <= bonus2Ends) {
tokens = msg.value * 125;
} else {
tokens = msg.value * 100;
}
toOwner = tokens.div(divBy);
//created 2.5% extra to the contract owner to approach 2% total marketcap
toSender = tokens;
//tokens that goes to the sender
_mint(owner(), toOwner);
_mint(msg.sender, toSender);
}
//Close down the ICO and claim the Ether.
function getETH() public onlyOwner {
require(now >= endDate);
// transfer the ETH balance in the contract to the owner
owner().transfer(address(this).balance);
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address payable tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return IERC20(tokenAddress).transfer(owner(), tokens);
}
}

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pragma solidity >=0.4.21 <0.7.0;
contract Migrations {
address public owner;
uint public last_completed_migration;
constructor() public {
owner = msg.sender;
}
modifier restricted() {
if (msg.sender == owner) _;
}
function setCompleted(uint completed) public restricted {
last_completed_migration = completed;
}
function upgrade(address new_address) public restricted {
Migrations upgraded = Migrations(new_address);
upgraded.setCompleted(last_completed_migration);
}
}

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const Migrations = artifacts.require("Migrations");
module.exports = function (deployer) {
deployer.deploy(Migrations);
};

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var DECAToken = artifacts.require("DECAToken");
module.exports = function(deployer) {
const name = "DEcentralized CArbon tokens";
const symbol = "DECA";
const decimals = 18;
deployer.deploy(DECAToken, name, symbol, decimals);
};

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{
"name": "carbon-token",
"version": "1.0.0",
"description": "",
"main": "truffle-config.js",
"directories": {
"test": "test"
},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"dependencies": {
"openzeppelin-solidity": "2.4.0",
"solc": "^0.6.0"
},
"devDependencies": {
"web3": "^1.2.4"
}
}

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/**
* Use this file to configure your truffle project. It's seeded with some
* common settings for different networks and features like migrations,
* compilation and testing. Uncomment the ones you need or modify
* them to suit your project as necessary.
*
* More information about configuration can be found at:
*
* truffleframework.com/docs/advanced/configuration
*
* To deploy via Infura you'll need a wallet provider (like truffle-hdwallet-provider)
* to sign your transactions before they're sent to a remote public node. Infura accounts
* are available for free at: infura.io/register.
*
* You'll also need a mnemonic - the twelve word phrase the wallet uses to generate
* public/private key pairs. If you're publishing your code to GitHub make sure you load this
* phrase from a file you've .gitignored so it doesn't accidentally become public.
*
*/
// const HDWalletProvider = require('truffle-hdwallet-provider');
// const infuraKey = "fj4jll3k.....";
//
// const fs = require('fs');
// const mnemonic = fs.readFileSync(".secret").toString().trim();
module.exports = {
/**
* Networks define how you connect to your ethereum client and let you set the
* defaults web3 uses to send transactions. If you don't specify one truffle
* will spin up a development blockchain for you on port 9545 when you
* run `develop` or `test`. You can ask a truffle command to use a specific
* network from the command line, e.g
*
* $ truffle test --network <network-name>
*/
networks: {
// Useful for testing. The `development` name is special - truffle uses it by default
// if it's defined here and no other network is specified at the command line.
// You should run a client (like ganache-cli, geth or parity) in a separate terminal
// tab if you use this network and you must also set the `host`, `port` and `network_id`
// options below to some value.
//
// development: {
// host: "127.0.0.1", // Localhost (default: none)
// port: 8545, // Standard Ethereum port (default: none)
// network_id: "*", // Any network (default: none)
// },
// Another network with more advanced options...
// advanced: {
// port: 8777, // Custom port
// network_id: 1342, // Custom network
// gas: 8500000, // Gas sent with each transaction (default: ~6700000)
// gasPrice: 20000000000, // 20 gwei (in wei) (default: 100 gwei)
// from: <address>, // Account to send txs from (default: accounts[0])
// websockets: true // Enable EventEmitter interface for web3 (default: false)
// },
// Useful for deploying to a public network.
// NB: It's important to wrap the provider as a function.
// ropsten: {
// provider: () => new HDWalletProvider(mnemonic, `https://ropsten.infura.io/v3/YOUR-PROJECT-ID`),
// network_id: 3, // Ropsten's id
// gas: 5500000, // Ropsten has a lower block limit than mainnet
// confirmations: 2, // # of confs to wait between deployments. (default: 0)
// timeoutBlocks: 200, // # of blocks before a deployment times out (minimum/default: 50)
// skipDryRun: true // Skip dry run before migrations? (default: false for public nets )
// },
// Useful for private networks
// private: {
// provider: () => new HDWalletProvider(mnemonic, `https://network.io`),
// network_id: 2111, // This network is yours, in the cloud.
// production: true // Treats this network as if it was a public net. (default: false)
// }
development: {
host: "localhost",
port: 8545,
network_id: "*",
gas: 6712390
}
},
// Set default mocha options here, use special reporters etc.
mocha: {
// timeout: 100000
},
}