Created
February 27, 2019 13:17
-
-
Save i-am-vivek/717b90176dd829f2040c9fcad6d0c7a7 to your computer and use it in GitHub Desktop.
Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.25+commit.59dbf8f1.js&optimize=false&gist=
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.25; | |
// ---------------------------------------------------------------------------- | |
// Safe maths | |
// ---------------------------------------------------------------------------- | |
contract SafeMath { | |
function safeAdd(uint a, uint b) public pure returns (uint c) { | |
c = a + b; | |
require(c >= a, "Error"); | |
} | |
function safeSub(uint a, uint b) public pure returns (uint c) { | |
require(b <= a, "Error"); | |
c = a - b; | |
} | |
function safeMul(uint a, uint b) public pure returns (uint c) { | |
c = a * b; | |
require(a == 0 || c / a == b, "Error"); | |
} | |
function safeDiv(uint a, uint b) public pure returns (uint c) { | |
require(b > 0, "Error"); | |
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 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; | |
} | |
// ---------------------------------------------------------------------------- | |
// Owned contract | |
// ---------------------------------------------------------------------------- | |
contract Owned { | |
address public owner; | |
address public newOwner; | |
event OwnershipTransferred(address indexed from, address indexed to); | |
constructor() public { | |
owner = msg.sender; | |
} | |
modifier onlyOwner { | |
require(msg.sender == owner, "Sender should be the owner"); | |
_; | |
} | |
function transferOwnership(address _newOwner) public onlyOwner { | |
owner = _newOwner; | |
emit OwnershipTransferred(owner, newOwner); | |
} | |
function acceptOwnership() public { | |
require(msg.sender == newOwner, "Sender should be the owner"); | |
emit OwnershipTransferred(owner, newOwner); | |
owner = newOwner; | |
newOwner = address(0); | |
} | |
} | |
// ---------------------------------------------------------------------------- | |
// ERC20 Token, with the addition of symbol, name and decimals and assisted | |
// token transfers | |
// ---------------------------------------------------------------------------- | |
contract ContractDeployer 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 | |
// ------------------------------------------------------------------------ | |
constructor(string _symbol, string _name, uint8 _decimals, uint totalSupply, address _owner) public { | |
symbol = _symbol; | |
name = _name; | |
decimals = _decimals; | |
_totalSupply = totalSupply*10**uint(decimals); | |
balances[_owner] = _totalSupply; | |
emit Transfer(address(0), _owner, _totalSupply); | |
transferOwnership(_owner); | |
} | |
// ------------------------------------------------------------------------ | |
// Total supply | |
// ------------------------------------------------------------------------ | |
function totalSupply() 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 | |
// | |
// 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) { | |
allowed[msg.sender][spender] = tokens; | |
emit Approval(msg.sender, spender, 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 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 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; | |
} | |
// ------------------------------------------------------------------------ | |
// Don't accept ETH | |
// ------------------------------------------------------------------------ | |
function () public payable { | |
revert("Ether can't be accepted."); | |
} | |
// ------------------------------------------------------------------------ | |
// 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); | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.23; | |
import "./BasicToken.sol"; | |
contract ContractDeployer { | |
address[] tokens; | |
function createToken(string _name, string _symbol, uint32 _decimals, uint256 _totalSupply, address _owner) public { | |
address token = new BasicToken(_name, _symbol, _decimals, _totalSupply, _owner); | |
tokens.push(token); | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.0; | |
import "./SafeMath.sol"; | |
import "./Ownable.sol"; | |
contract DriverList is Ownable{ | |
using SafeMath for uint256; | |
using SafeMath32 for uint32; | |
using SafeMath16 for uint16; | |
struct Driver { | |
string driver_id; | |
string first_name; | |
string last_name; | |
string email; | |
string car_plate_no; | |
string car_model; | |
string car_color; | |
string gender; | |
string mobile; | |
bool initialized; | |
} | |
mapping (uint => address) public driversToOwner; | |
mapping (address => uint) ownerDriverCount; | |
mapping (string => Driver) internal drivers; | |
event NewDriver(string driver_id,string first_name, string last_name, string email); | |
event DriverUpdated(uint driverId, string driver_id, string key, string value); | |
modifier onlyOwnerOf(uint driverId) { | |
if(msg.sender == driversToOwner[driverId]) _; | |
} | |
function addDriver(string _driver_id,string _first_name, string _last_name,string _email,string _car_plate_no,string _car_model,string _car_color,string _gender,string _mobile) public { | |
require(!drivers[_driver_id].initialized); | |
drivers[_driver_id] = Driver(_driver_id, _first_name, _last_name, _email,_car_plate_no,_car_model,_car_color, _gender,_mobile, true); | |
ownerDriverCount[msg.sender].add(1); | |
emit NewDriver( _driver_id, _first_name, _last_name, _email); | |
} | |
function getDriver(string _driverId) external view returns( | |
string driver_id, | |
string first_name, | |
string email, | |
string car_plate_no, | |
string car_model, | |
string car_color, | |
bool initialized | |
){ | |
driver_id = drivers[_driverId].driver_id; | |
first_name = drivers[_driverId].first_name; | |
email = drivers[_driverId].email; | |
car_plate_no = drivers[_driverId].car_plate_no; | |
car_model = drivers[_driverId].car_model; | |
car_color = drivers[_driverId].car_color; | |
initialized = drivers[_driverId].initialized; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.23; | |
import "./ERC20Basic.sol"; | |
/** | |
* @title ERC20 interface | |
* @dev see https://github.com/ethereum/EIPs/issues/20 | |
**/ | |
contract ERC20 is ERC20Basic { | |
function allowance(address owner, address spender) public view returns (uint256); | |
function transferFrom(address from, address to, uint256 value) public returns (bool); | |
function approve(address spender, uint256 value) public returns (bool); | |
event Approval(address indexed owner, address indexed spender, uint256 value); | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.23; | |
/** | |
* @title ERC20Basic interface | |
* @dev Basic ERC20 interface | |
**/ | |
contract ERC20Basic { | |
function totalSupply() public view returns (uint256); | |
function balanceOf(address who) public view returns (uint256); | |
function transfer(address to, uint256 value) public returns (bool); | |
event Transfer(address indexed from, address indexed to, uint256 value); | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.25; | |
// ---------------------------------------------------------------------------- | |
// Safe maths | |
// ---------------------------------------------------------------------------- | |
contract SafeMath { | |
function safeAdd(uint a, uint b) public pure returns (uint c) { | |
c = a + b; | |
require(c >= a, "Error"); | |
} | |
function safeSub(uint a, uint b) public pure returns (uint c) { | |
require(b <= a, "Error"); | |
c = a - b; | |
} | |
function safeMul(uint a, uint b) public pure returns (uint c) { | |
c = a * b; | |
require(a == 0 || c / a == b, "Error"); | |
} | |
function safeDiv(uint a, uint b) public pure returns (uint c) { | |
require(b > 0, "Error"); | |
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 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; | |
} | |
// ---------------------------------------------------------------------------- | |
// Owned contract | |
// ---------------------------------------------------------------------------- | |
contract Owned { | |
address public owner; | |
address public newOwner; | |
event OwnershipTransferred(address indexed from, address indexed to); | |
constructor() public { | |
owner = msg.sender; | |
} | |
modifier onlyOwner { | |
require(msg.sender == owner, "Sender should be the owner"); | |
_; | |
} | |
function transferOwnership(address _newOwner) public onlyOwner { | |
owner = _newOwner; | |
emit OwnershipTransferred(owner, newOwner); | |
} | |
function acceptOwnership() public { | |
require(msg.sender == newOwner, "Sender should be the owner"); | |
emit OwnershipTransferred(owner, newOwner); | |
owner = newOwner; | |
newOwner = address(0); | |
} | |
} | |
// ---------------------------------------------------------------------------- | |
// ERC20 Token, with the addition of symbol, name and decimals and assisted | |
// token transfers | |
// ---------------------------------------------------------------------------- | |
contract ContractDeployer 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 | |
// ------------------------------------------------------------------------ | |
constructor(string _symbol, string _name, uint8 _decimals, uint totalSupply, address _owner) public { | |
symbol = _symbol; | |
name = _name; | |
decimals = _decimals; | |
_totalSupply = totalSupply*10*decimals; | |
balances[_owner] = _totalSupply; | |
emit Transfer(address(0), _owner, _totalSupply); | |
transferOwnership(_owner); | |
} | |
// ------------------------------------------------------------------------ | |
// Total supply | |
// ------------------------------------------------------------------------ | |
function totalSupply() 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 | |
// | |
// 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) { | |
allowed[msg.sender][spender] = tokens; | |
emit Approval(msg.sender, spender, 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 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 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; | |
} | |
// ------------------------------------------------------------------------ | |
// Don't accept ETH | |
// ------------------------------------------------------------------------ | |
function () public payable { | |
revert("Ether can't be accepted."); | |
} | |
// ------------------------------------------------------------------------ | |
// 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); | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.23; | |
/** | |
* @title Ownable | |
* @dev The Ownable contract has an owner address, and provides basic authorization control | |
* functions, this simplifies the implementation of "user permissions". | |
**/ | |
contract Ownable { | |
address public owner; | |
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); | |
/** | |
* @dev The Ownable constructor sets the original `owner` of the contract to the sender account. | |
**/ | |
constructor() public { | |
owner = msg.sender; | |
} | |
/** | |
* @dev Throws if called by any account other than the owner. | |
**/ | |
modifier onlyOwner() { | |
require(msg.sender == owner, "Sender should be owner"); | |
_; | |
} | |
/** | |
* @dev Allows the current owner to transfer control of the contract to a newOwner. | |
* @param newOwner The address to transfer ownership to. | |
**/ | |
function transferOwnership(address newOwner) public onlyOwner { | |
require(newOwner != address(0), "Sender can't be the owner"); | |
emit OwnershipTransferred(owner, newOwner); | |
owner = newOwner; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.23; | |
/** | |
* @title SafeMath | |
* @dev Math operations with safety checks that throw on error | |
*/ | |
library SafeMath { | |
/** | |
* @dev Multiplies two numbers, throws on overflow. | |
**/ | |
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { | |
if (a == 0) { | |
return 0; | |
} | |
c = a * b; | |
assert(c / a == b); | |
return c; | |
} | |
/** | |
* @dev Integer division of two numbers, truncating the quotient. | |
**/ | |
function div(uint256 a, uint256 b) internal pure returns (uint256) { | |
// assert(b > 0); // Solidity automatically throws when dividing by 0 | |
// uint256 c = a / b; | |
// assert(a == b * c + a % b); // There is no case in which this doesn't hold | |
return a / b; | |
} | |
/** | |
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). | |
**/ | |
function sub(uint256 a, uint256 b) internal pure returns (uint256) { | |
assert(b <= a); | |
return a - b; | |
} | |
/** | |
* @dev Adds two numbers, throws on overflow. | |
**/ | |
function add(uint256 a, uint256 b) internal pure returns (uint256 c) { | |
c = a + b; | |
assert(c >= a); | |
return c; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.20; | |
// pragma experimental ABIEncoderV2; | |
// contract Trip { | |
// string public lat; | |
// string public lon; | |
// constructor(string _lat, string _lon) public { | |
// lat = _lat; | |
// lon = _lon; | |
// } | |
// } | |
contract TripHistory { | |
struct Trip { | |
string lat; | |
string lon; | |
} | |
mapping(string => Trip[]) trips; | |
// function getTrip(string _trip_id) public view returns (Trip[]) { | |
// return trips[_trip_id]; | |
// } | |
function storeTrip(string _trip_id, string _lat, string _lon) public { | |
trips[_trip_id].push(Trip(_lat, _lon)); | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.0; | |
import "./DriverList.sol"; | |
import "./TripHistory.sol"; | |
contract TronLine is DriverList, TripHistory { | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.20; | |
contract Trip { | |
string public lat; | |
string public lon; | |
constructor(string _lat, string _lon) public { | |
lat = _lat; | |
lon = _lon; | |
} | |
} | |
contract TripHistory { | |
mapping(string => Trip[]) bets; | |
function getTrip(string _trip_id) public view returns (Trip[]) { | |
return bets[_trip_id]; | |
} | |
function storeTrip(string _trip_id, string _lat, string _lon) public { | |
bets[_trip_id].push(new Trip(_lat, _lon)); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment