Token的合约代码我们参考Token-Factory的代码。

打开  https://remix.ethereum.org/#optimize=false&version=soljson-v0.4.24+commit.e67f0147.js

把运行的abi 或者参数方法拿到

打开 Geth 客户端输入命令 创建在哪合约

var _supply = 10000 ;
var _name = "RRR" ;//名字
var _symbol = "R&C" ;
var _decimals = 8 ;
var mytokenContract = web3.eth.contract([{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"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":"balanceOf","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":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_supply","type":"uint256"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"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"}]);

abi

var mytoken = mytokenContract.new(
   _supply,
   _name,
   _symbol,
   _decimals,
   {
     from: eth.accounts[0],
     data: '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',
     gas: '4700000'
   }, function (e, contract){
    console.log(e, contract);
    if (typeof contract.address !== 'undefined') {
         console.log('Contract mined! address: ' + contract.address + ' transactionHash: ' + contract.transactionHash);
    }
 })

以下是整个输入流程

> var _supply = 10000 ;
undefined
> var _name = RRR;
undefined
> var _symbol = "R&C" ;
undefined
> var _decimals = 8 ;
undefined
> var mytokenContract = web3.eth.contract([{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"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":"balanceOf","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":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_supply","type":"uint256"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"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"}]);
undefined
> personal.unlockAccount(eth.accounts[0],123456)
password must be a string
> var mytokenContract = web3.eth.contract([{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"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":"balanceOf","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":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_supply","type":"uint256"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"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"}]);
121212
> personal.unlockAccount(eth.accounts[0],"123456")
true
> var mytoken = mytokenContract.new(
...    _supply,
...    _name,
...    _symbol,
...    _decimals,
...    {
......      from: eth.account[0],
......      data: '0x608060405234801561001057600080fd5b5060405161078438038061078483398101806040528101908080519060200190929190805182019291906020018051820192919060200180519060200190929190505050600084141561006457620f424093505b83600360003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000208190555082600090805190602001906100be9291906100fa565b5081600190805190602001906100d59291906100fa565b5080600260006101000a81548160ff021916908360ff1602179055505050505061019f565b828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f1061013b57805160ff1916838001178555610169565b82800160010185558215610169579182015b8281111561016857825182559160200191906001019061014d565b5b509050610176919061017a565b5090565b61019c91905b80821115610198576000816000905550600101610180565b5090565b90565b6105d6806101ae6000396000f30060806040526004361061006d576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806306fdde0314610072578063313ce5671461010257806370a082311461013357806395d89b411461018a578063a9059cbb1461021a575b600080fd5b34801561007e57600080fd5b50610087610267565b6040518080602001828103825283818151815260200191508051906020019080838360005b838110156100c75780820151818401526020810190506100ac565b50505050905090810190601f1680156100f45780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b34801561010e57600080fd5b50610117610305565b604051808260ff1660ff16815260200191505060405180910390f35b34801561013f57600080fd5b50610174600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610318565b6040518082815260200191505060405180910390f35b34801561019657600080fd5b5061019f610330565b6040518080602001828103825283818151815260200191508051906020019080838360005b838110156101df5780820151818401526020810190506101c4565b50505050905090810190601f16801561020c5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b34801561022657600080fd5b50610265600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190803590602001909291905050506103ce565b005b60008054600181600116156101000203166002900480601f0160208091040260200160405190810160405280929190818152602001828054600181600116156101000203166002900480156102fd5780601f106102d2576101008083540402835291602001916102fd565b820191906000526020600020905b8154815290600101906020018083116102e057829003601f168201915b505050505081565b600260009054906101000a900460ff1681565b60036020528060005260406000206000915090505481565b60018054600181600116156101000203166002900480601f0160208091040260200160405190810160405280929190818152602001828054600181600116156101000203166002900480156103c65780601f1061039b576101008083540402835291602001916103c6565b820191906000526020600020905b8154815290600101906020018083116103a957829003601f168201915b505050505081565b80600360003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002054101561041a57600080fd5b600360008373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000205481600360008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020540110156104a757600080fd5b80600360003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000206000828254039250508190555080600360008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600082825401925050819055508173ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef836040518082815260200191505060405180910390a350505600a165627a7a723058208af3ffe7426eddcaffbad28237cd9b1e16ec37f30dd993090a99501d10426aaf0029',
......      gas: '4700000'
......    }, function (e, contract){
......     console.log(e, contract);
......     if (typeof contract.address !== 'undefined') {
.........          console.log('Contract mined! address: ' + contract.address + ' transactionHash: ' + contract.transactionHash);
.........     }
......  })
TypeError: Cannot access member '0' of undefined
    at <anonymous>:7:12

> var mytoken = mytokenContract.new(
...    _supply,
...    _name,
...    _symbol,
...    _decimals,
...    {
......      from: eth.accounts[0],
......      data: '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',
......      gas: '4700000'
......    }, function (e, contract){
......     console.log(e, contract);
......     if (typeof contract.address !== 'undefined') {
.........          console.log('Contract mined! address: ' + contract.address + ' transactionHash: ' + contract.transactionHash);
.........     }
......  })
null [object Object]
undefined
> miner.start(1)
null
> eth.blockNumber
375
> null [object Object]
Contract mined! address: 0x7c4c068c526dfd1cf5ebabd39020be9653947d7d transactionHash: 0x096c7a97f180bf80e36eac492a79ab3f0c240ac1628493c49c9c6091203d8471
> eth.blockNumber
377
> miner.stop()
true
> var ruiec = mytokenContract
undefined
> ruiec
{
  abi: [{
      constant: true,
      inputs: [],
      name: "name",
      outputs: [{...}],
      payable: false,
      stateMutability: "view",
      type: "function"
  }, {
      constant: true,
      inputs: [],
      name: "decimals",
      outputs: [{...}],
      payable: false,
      stateMutability: "view",
      type: "function"
  }, {
      constant: true,
      inputs: [{...}],
      name: "balanceOf",
      outputs: [{...}],
      payable: false,
      stateMutability: "view",
      type: "function"
  }, {
      constant: true,
      inputs: [],
      name: "symbol",
      outputs: [{...}],
      payable: false,
      stateMutability: "view",
      type: "function"
  }, {
      constant: false,
      inputs: [{...}, {...}],
      name: "transfer",
      outputs: [],
      payable: false,
      stateMutability: "nonpayable",
      type: "function"
  }, {
      inputs: [{...}, {...}, {...}, {...}],
      payable: false,
      stateMutability: "nonpayable",
      type: "constructor"
  }, {
      anonymous: false,
      inputs: [{...}, {...}, {...}],
      name: "Transfer",
      type: "event"
  }],
  eth: {
    accounts: ["0xd21b8fce5b460060510b4ca4a9ffb55158cfb031", "0xce69218e9a098c5fe02f1c376ff22fb50bce6546", "0x216d2d677c210f7634f0b388d0495fb967595e34", "0x3397cd9a1b503f06ba4a5b1b6353276a415b7be1", "0x1ef09e6aac4dc729ac4a887f1bbad29e298d94b7"],
    blockNumber: 378,
    coinbase: "0xd21b8fce5b460060510b4ca4a9ffb55158cfb031",
    compile: {
      lll: function(),
      serpent: function(),
      solidity: function()
    },
    defaultAccount: undefined,
    defaultBlock: "latest",
    gasPrice: 18000000000,
    hashrate: 0,
    mining: false,
    pendingTransactions: [],
    protocolVersion: "0x3f",
    syncing: false,
    call: function(),
    contract: function(abi),
    estimateGas: function(),
    filter: function(options, callback, filterCreationErrorCallback),
    getAccounts: function(callback),
    getBalance: function(),
    getBlock: function(),
    getBlockNumber: function(callback),
    getBlockTransactionCount: function(),
    getBlockUncleCount: function(),
    getCode: function(),
    getCoinbase: function(callback),
    getCompilers: function(),
    getGasPrice: function(callback),
    getHashrate: function(callback),
    getMining: function(callback),
    getPendingTransactions: function(callback),
    getProtocolVersion: function(callback),
    getRawTransaction: function(),
    getRawTransactionFromBlock: function(),
    getStorageAt: function(),
    getSyncing: function(callback),
    getTransaction: function(),
    getTransactionCount: function(),
    getTransactionFromBlock: function(),
    getTransactionReceipt: function(),
    getUncle: function(),
    getWork: function(),
    iban: function(iban),
    icapNamereg: function(),
    isSyncing: function(callback),
    namereg: function(),
    resend: function(),
    sendIBANTransaction: function(),
    sendRawTransaction: function(),
    sendTransaction: function(),
    sign: function(),
    signTransaction: function(),
    submitTransaction: function(),
    submitWork: function()
  },
  at: function(address, callback),
  getData: function(),
  new: function()
}
> var rc = ruiec.at("0x7c4c068c526dfd1cf5ebabd39020be9653947d7d");
undefined
> rc
{
  abi: [{
      constant: true,
      inputs: [],
      name: "name",
      outputs: [{...}],
      payable: false,
      stateMutability: "view",
      type: "function"
  }, {
      constant: true,
      inputs: [],
      name: "decimals",
      outputs: [{...}],
      payable: false,
      stateMutability: "view",
      type: "function"
  }, {
      constant: true,
      inputs: [{...}],
      name: "balanceOf",
      outputs: [{...}],
      payable: false,
      stateMutability: "view",
      type: "function"
  }, {
      constant: true,
      inputs: [],
      name: "symbol",
      outputs: [{...}],
      payable: false,
      stateMutability: "view",
      type: "function"
  }, {
      constant: false,
      inputs: [{...}, {...}],
      name: "transfer",
      outputs: [],
      payable: false,
      stateMutability: "nonpayable",
      type: "function"
  }, {
      inputs: [{...}, {...}, {...}, {...}],
      payable: false,
      stateMutability: "nonpayable",
      type: "constructor"
  }, {
      anonymous: false,
      inputs: [{...}, {...}, {...}],
      name: "Transfer",
      type: "event"
  }],
  address: "0x7c4c068c526dfd1cf5ebabd39020be9653947d7d",
  transactionHash: null,
  Transfer: function(),
  allEvents: function(),
  balanceOf: function(),
  decimals: function(),
  name: function(),
  symbol: function(),
  transfer: function()
}
> rc.balanceOf(eth.accounts[0])
10000
>

c#实战开发：以太坊Geth 命令发布智能合约 （五）的更多相关文章

  1. 区块链入门到实战（18）之以太坊(Ethereum) – 什么是智能合约

    作用:提供优于传统合约的安全方法,并减少与合约相关的其他交易成本. 以太坊网络基石:以太坊虚拟币和智能合约. 智能合约(Smart contract )是一种旨在以信息化方式传播.验证或执行合同的计算 ...

  2. [币严区块链]简单易懂的以太坊（ETH）智能合约开发入门教程

    以太坊(Ethereum)是一提供个智能合约(smart contract)功能的公共区块链(BlockChain)平台. 本文介绍了一个简单的以太坊智能合约的开发过程. 开发环境 在以太坊上开发应用 ...

  3. 从零构建以太坊（Ethereum）智能合约到项目实战——第20章 搭建自己的私有链网络

    P75 .1-以太坊私网建立 .合约编译.部署完全教程(1) 使用此博文进行安装配置:https://blog.csdn.net/w88193363/article/details/79402074 ...

  4. 从零构建以太坊（Ethereum）智能合约到项目实战——第23章 从零构建和部署去中心化投票App，decentralization Voting Dapp

    P90 .1-从零构建和部署去中心化投票App-01 P91 .2-从零构建和部署去中心化投票App-02 P92 .3-从零构建和部署去中心化投票App-03 参考博文:http://liyuech ...

  5. 从零构建以太坊（Ethereum）智能合约到项目实战——第22章 玩转truffle framework 、Web3.js 框架

    P84 .1-玩转truffle framework.Web3.js 框架 内容介绍 truffle官方网站:https://truffleframework.com/ P85 .2-truffle ...

  6. 从零构建以太坊（Ethereum）智能合约到项目实战——学习笔记10

    P57 .1-Solidity Types - 玩转 Solidity 数组 (Arrays) 学习目标 1.掌握Arrays的可变不可变的创建 2.深度理解可变数组和不可变数组之间的区别 3.二维数 ...

  7. 在testrpc以太坊测试环境部署智能合约

    2018年03月13日 09:20:54 思无邪-machengyu 阅读数 2683   版权声明:本文为博主原创文章,转载请务必注明出处,否则追究法律责任 https://blog.csdn.ne ...

  8. 从零构建以太坊（Ethereum）智能合约到项目实战——第25章 Embark FrameWork

    P109 .1-Embark Framework 开发入门篇P110 .2-Embark Framework 去中心化存储 (IPFS)

  9. 从零构建以太坊（Ethereum）智能合约到项目实战——第24章 IPFS + 区块链

    P93 .1-IPFS环境配置P94 .2-IPFS+P .IPNS+P .个人博客搭建 - 如何在IPFS新增一个文件P95 .3-IPFS+P .IPNS+P .个人博客搭建 - 通过ipfs创建 ...

随机推荐

  1. SpringBoot(三)_controller的使用

    针对controller 中 如何使用注解进行解析 @RestController 返回数据类型为 Json 字符串,特别适合我们给其他系统提供接口时使用. @RequestMapping (1) 不 ...

  2. Layer 使用

    官网文档 http://layer.layui.com/mobile/api.html 1.需要添加jquery的引用然后是 loadExtentFile("css", " ...

  3. SpringBoot进阶教程(二十四)整合Redis

    缓存现在几乎是所有中大型网站都在用的必杀技,合理的利用缓存不仅能够提升网站访问速度,还能大大降低数据库的压力.Redis提供了键过期功能,也提供了灵活的键淘汰策略,所以,现在Redis用在缓存的场合非 ...

  4. Python中的那些“坑”

    1.哪个是True,哪个是False? 这里要看三组代码: # 第一组: >>>a=256 >>>b = 256 >>>a is b # 第二组: ...

  5. 《k8s-1.13版本源码分析》-测试环境搭建（k8s-1.13版本单节点环境搭建）

    本文原始地址(gitbook格式):https://farmer-hutao.github.io/k8s-source-code-analysis/prepare/debug-environment. ...

  6. Android resource compilation failed

    报错:Android resource compilation failed D:\android\EasySports\app\build\intermediates\incremental\mer ...

  7. frp内网 穿透映射使内网svn可外网访问

    起因 公司svn目前部署在内网服务器上,现在想在家中也可以使用,因此需要外网访问内网的工具 经过 使用过几个产品: utools,一个小巧的windows下的工具,内网映射只是它的一个小功能,支持tc ...

  8. SQL Server 创建跨库查詢、修改、增加、删除

    一.通过SQL语句访问远程数据库   --OPENROWSET函数 使用OPENROWSET()是个不错的选择,也可以用做跨库查询包括增.删.改.查 下面就来介绍一下OPENROWSET函数的运用 包 ...

  9. 深入理解 new 操作符

    和其他高级语言一样 JavaScript 也有 new 操作符,我们知道 new 可以用来实例化一个类,从而在内存中分配一个实例对象. 但在 JavaScript 中,万物皆对象,为什么还要通过 ne ...

  10. @SuppressWarnings("rawtypes") 是什么含义

    简介:java.lang.SuppressWarnings是J2SE 5.0中标准的Annotation之一.可以标注在类.字段.方法.参数.构造方法,以及局部变量上.作用:告诉编译器忽略指定的警告, ...