Title: Help me create text new token ethereum ? Post by: token1 on July 02, 2017, 01:49:24 PM Help me create text new token ethereum ?
Fill the best solution, in your opinion, with the text token? Urgent discussion. Following is a sample token contract with a fixed supply of 1000000 units that are initially assigned to the owner of the contract: 1 pragma solidity ^0.4.8; 2 3 // ---------------------------------------------------------------------------------------------- 4 // Sample fixed supply token contract 5 // Enjoy. (c) BokkyPooBah 2017. The MIT Licence. 6 // ---------------------------------------------------------------------------------------------- 7 8 // ERC Token Standard #20 Interface 9 // https://github.com/ethereum/EIPs/issues/20 10 contract ERC20Interface { 11 // Get the total token supply 12 function totalSupply() constant returns (uint256 totalSupply); 13 14 // Get the account balance of another account with address _owner 15 function balanceOf(address _owner) constant returns (uint256 balance); 16 17 // Send _value amount of tokens to address _to 18 function transfer(address _to, uint256 _value) returns (bool success); 19 20 // Send _value amount of tokens from address _from to address _to 21 function transferFrom(address _from, address _to, uint256 _value) returns (bool success); 22 23 // Allow _spender to withdraw from your account, multiple times, up to the _value amount. 24 // If this function is called again it overwrites the current allowance with _value. 25 // this function is required for some DEX functionality 26 function approve(address _spender, uint256 _value) returns (bool success); 27 28 // Returns the amount which _spender is still allowed to withdraw from _owner 29 function allowance(address _owner, address _spender) constant returns (uint256 remaining); 30 31 // Triggered when tokens are transferred. 32 event Transfer(address indexed _from, address indexed _to, uint256 _value); 33 34 // Triggered whenever approve(address _spender, uint256 _value) is called. 35 event Approval(address indexed _owner, address indexed _spender, uint256 _value); 36 } 37 38 contract FixedSupplyToken is ERC20Interface { 39 string public constant symbol = "FIXED"; 40 string public constant name = "Example Fixed Supply Token"; 41 uint8 public constant decimals = 18; 42 uint256 _totalSupply = 1000000; 43 44 // Owner of this contract 45 address public owner; 46 47 // Balances for each account 48 mapping(address => uint256) balances; 49 50 // Owner of account approves the transfer of an amount to another account 51 mapping(address => mapping (address => uint256)) allowed; 52 53 // Functions with this modifier can only be executed by the owner 54 modifier onlyOwner() { 55 if (msg.sender != owner) { 56 throw; 57 } 58 _; 59 } 60 61 // Constructor 62 function FixedSupplyToken() { 63 owner = msg.sender; 64 balances[owner] = _totalSupply; 65 } 66 67 function totalSupply() constant returns (uint256 totalSupply) { 68 totalSupply = _totalSupply; 69 } 70 71 // What is the balance of a particular account? 72 function balanceOf(address _owner) constant returns (uint256 balance) { 73 return balances[_owner]; 74 } 75 76 // Transfer the balance from owner's account to another account 77 function transfer(address _to, uint256 _amount) returns (bool success) { 78 if (balances[msg.sender] >= _amount 79 && _amount > 0 80 && balances[_to] + _amount > balances[_to]) { 81 balances[msg.sender] -= _amount; 82 balances[_to] += _amount; 83 Transfer(msg.sender, _to, _amount); 84 return true; 85 } else { 86 return false; 87 } 88 } 89 90 // Send _value amount of tokens from address _from to address _to 91 // The transferFrom method is used for a withdraw workflow, allowing contracts to send 92 // tokens on your behalf, for example to "deposit" to a contract address and/or to charge 93 // fees in sub-currencies; the command should fail unless the _from account has 94 // deliberately authorized the sender of the message via some mechanism; we propose 95 // these standardized APIs for approval: 96 function transferFrom( 97 address _from, 98 address _to, 99 uint256 _amount 100 ) returns (bool success) { 101 if (balances[_from] >= _amount 102 && allowed[_from][msg.sender] >= _amount 103 && _amount > 0 104 && balances[_to] + _amount > balances[_to]) { 105 balances[_from] -= _amount; 106 allowed[_from][msg.sender] -= _amount; 107 balances[_to] += _amount; 108 Transfer(_from, _to, _amount); 109 return true; 110 } else { 111 return false; 112 } 113 } 114 115 // Allow _spender to withdraw from your account, multiple times, up to the _value amount. 116 // If this function is called again it overwrites the current allowance with _value. 117 function approve(address _spender, uint256 _amount) returns (bool success) { 118 allowed[msg.sender][_spender] = _amount; 119 Approval(msg.sender, _spender, _amount); 120 return true; 121 } 122 123 function allowance(address _owner, address _spender) constant returns (uint256 remaining) { 124 return allowed[_owner][_spender]; 125 } 126 } Title: Re: Help me create text new token ethereum ? Post by: cr1776 on July 02, 2017, 03:58:20 PM You should move this from the Bitcoin Dev and Tech section to the altcoin section
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