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另外,你还需要一点以太币,大多数合约只需要价值不要1毛钱的以太币。如果你没有以太币,又不想到国外交易所折腾,可以选择用微信扫描下面的二维码直接在微信中购买:
创建账户并购买到1个以太币以后,钱包界面如下,创建新币合约我们要创建的第一个合约是一个代币合约。4 p5 J3 P2 i$ `
以太坊生态系统中的代币可以代表任何可以交易的东西:币(coin)、积分、黄金证券、欠条(IOU)等。
因为所有的代币都以标准化的方式实现一些基本的特性,这样意味着你自己创建的代币将于以太坊钱包、使用相同标准的任何其它客户端或者合约相兼容。点击红框中的Contract(合约)。
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将红框中原有的代码删除,将下面的代码粘贴到里面。, E' d9 {4 R. b# b+ y
- /*
- This creates a public tradeable fungible token in the Ethereum Blockchain.) I) y: O* Y* j a7 u; y4 R
- https://github.com/ethereum/wiki/wiki/Standardized_Contract_APIs
- Unmodified this will create a cryptoasset with a fixed market cap
- wholly owned by the contract creator. You can create any function
- to change this contract, like allowing specific rules for the issuance,; V6 g- J2 [* j6 ]- T- V" Z& m1 R
- destruction and freezing of any assets. This contract is intended for
- educational purposes, you are fully responsible for compliance with
- present or future regulations of finance, communications and the
- universal rights of digital beings.4 z. d; t {. S4 P, A# x, N# y
- Anyone is free to copy, modify, publish, use, compile, sell, or
- distribute this software, either in source code form or as a compiled8 \6 M" B5 P0 T
- binary, for any purpose, commercial or non-commercial, and by any5 e( R3 {6 O! h6 R, _$ a" K: P
- means.; {1 r! Q/ u4 C8 E3 @
- In jurisdictions that recognize copyright laws, the author or authors
- of this software dedicate any and all copyright interest in the0 l. e4 m2 ]$ u9 r
- software to the public domain. We make this dedication for the benefit
- of the public at large and to the detriment of our heirs and, e* T; }4 X' ]3 l8 e
- successors. We intend this dedication to be an overt act of
- relinquishment in perpetuity of all present and future rights to this( ]' _3 _; ]2 x; {+ P
- software under copyright law.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,9 e! ~* o* f# M9 |+ D
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,) \4 g5 m; [4 X
- ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR6 N5 O1 K8 Q' D4 w6 p% Y
- OTHER DEALINGS IN THE SOFTWARE.
- For more information, please refer to
- */
- contract MyToken {
- /* Public variables of the token */
- string public name;# ?! i) D N( o' r! ?
- string public symbol;+ }% ]/ j/ }6 C# {) t7 X
- uint8 public decimals;% L8 }6 \5 j6 x8 C. D0 S6 o
- /* This creates an array with all balances */4 p, ~( v; x' b
- mapping (address => uint256) public balanceOf;5 D1 N A2 A0 d- Z1 S/ o
- /* This generates a public event on the blockchain that will notify clients *// n* r U) \5 c& h# B3 c3 g8 t
- event Transfer(address indexed from, address indexed to, uint256 value);
- /* Initializes contract with initial supply tokens to the creator of the contract */
- function MyToken(uint256 _supply, string _name, string _symbol, uint8 _decimals) {) G% J7 c# d3 b/ `8 u, I8 D4 ~
- /* if supply not given then generate 1 million of the smallest unit of the token */
- if (_supply == 0) _supply = 1000000;2 \ ]/ _$ U+ H4 A, q
- /* Unless you add other functions these variables will never change */9 Q' Y& Z- _( V; `
- balanceOf[msg.sender] = _supply;4 d9 ?7 \' o' I @' R$ H
- name = _name;7 z1 H4 l; ~ j, W
- symbol = _symbol;
- /* If you want a divisible token then add the amount of decimals the base unit has */
- decimals = _decimals;. D4 d% v1 L- W/ U
- }
- /* Send coins */2 g5 A( n7 i$ k: C
- function transfer(address _to, uint256 _value) {/ ~% E7 f. |& K' e) m
- /* if the sender doenst have enough balance then stop */
- if (balanceOf[msg.sender]
- if (balanceOf[_to] + _value R& h# q, G3 b4 d* D+ i" @
- /* Add and subtract new balances */' O3 z3 I, a, M7 J; x K: t
- balanceOf[msg.sender] -= _value;
- balanceOf[_to] += _value;
- /* Notifiy anyone listening that this transfer took place */
- Transfer(msg.sender, _to, _value);
- }
- }
如果代码编译成功,在左边将看到Pick contract,如下图:
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然后,选择MyToken选项,如下图:" f+ ]4 c. z" [8 R& O9 i
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然后,在右边更改系数,定制自己的货币。supply: 货币总量,name: 货币名字,symbol:货币符号,decimals:货币单位精确到小数点后几位。8 ^3 }. }" J/ H. [1 r: ^! x
下图定制的Shaopingcoin(少平币),总量10000个,货币符号:WL,货币单位精确到小数点后八位。根据自己的喜好,填写即可。 SELECT FEE(选择费用),左右拖动横轴选择支付多少手续费(这里就需要用到前面购买到的以太币了),越靠近右边,费用越高,完成合约的速度越快。例如,我选择了0.016131个以太币,大约需要30秒完成合约。完成后,点击DEPLOY(部署)。
点击DEPLOY后,自动转到如下界面,输入密码(即创建账户时设置的 密码),点击SEND TRANSACTION(发送交易)。
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然后,会跳转到钱包主界面,你会看到下面红色方框中的信息,大约需要3-4分钟的确认时间,完成12个确认就可以了。; C; j. X* G4 _" G! D* C
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显示新创建的货币。确认完毕,然后再进入CONTRACTS(合约)页面,你将看到刚才创建的货币,例如下图中的ShaopingCoin。
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点击创建的货币,转到以下界面,复制红色方框中的合约地址,下面的步骤中要用到。
再次回到CONTRACTS(合约)页面,点击WATCH TOKEN(查看代币)。 j. J- q: f: C' M w# r
弹出如下界面,将刚才复制的地址粘贴到红色方框中,会看到货币的名字、符号等信息。点击OK。
完成以后,在合约页面就可以看到新创建的货币了。5 x9 m5 l y8 P* n/ ^6 m
发送新创建的新货币进入SEND(发送)页面,在右上角的红色方框中输入收款者的账户地址。在AMOUT中填写发送的数量,在右边的红色方框中选择要发送的货币。左右拖动横轴选择费用,越靠近右边费用越高,处理速度越快。下图表示向0xba960dbedc4c2e0774729b2def16764592ced454地址发送10个ShaopingCoin,交易费用是0.00253625个以太币。点击SEND(发送)。+ }# x* D) ^" W/ w8 w& d
跳转到如下确认界面,输入密码(即创建账户时设置的密码)。点击SEND TRANSACTION(发送交易)。
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回到WALLETS(钱包)界面,会看到刚刚发出的记录信息。( n* ?6 G/ Z! q
收款者需要将新创建的币的添加到WATCH Token中才可以看到收到的币。收款者进入CONTRACT(合约)页面,点击WATCH TOKEN。发送者将创建的新币的合约地址通过聊天工具发给收款者。0 u7 @, G3 ]5 \/ k! v) S' M
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将发送者新创建币的合约地址复制到红色方框中,点击OK。
收款者在WALLETS(钱包)页面将看到收到的币。下图显示收到了10个ShaopingCoin。6 [9 t: s' O3 @, y0 f: g