使用GO语言在NEO私有链发行NEP-5 Token的开发指南
V刘晨曦
发表于 2022-12-2 15:25:23
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开发语言5 ]1 y0 S( j0 i# `: [: Y
在NEO智能合约开发平台进行开发的优势之一是平台支持各种开发语言。
NEO推荐使用C#语言,不过它也支持使用Python, Java, Go, Ruby,之后还会进一步支持Kotlin, C/C++, JavaScript等开发语言。.$ y: n! R' p, j! O5 N% o+ ^
尽管支持多种语言,但我们仍可以发现现有的很多项目使用的是C#、Python、Java,使用GO语言的并不多。因此,参考City of Zion (CoZ)上的资料,我想尝试写一篇关于使用GO语言开发的简单教程,希望能吸引更多使用GO语言的开发人员参与开发。
给GO开发人员的建议
无论你是编程新手还是经验丰富的开发人员,刚开始时都建议你在私有域或测试网上进行开发。
为什么?; S* m5 {4 A6 z0 f" ^7 z6 T
因为在主网上部署NEP-5 Token需要消耗490个GAS。0 |# Z0 z4 ?1 _+ ?3 {
写这篇文章的时候(2018年9月15日),GAS的市场价格是5.8美元,那么该笔费用就高达2842美元。对于任何创业公司而言,这都是一笔不小的费用。4 Z7 R0 U8 s1 y8 a
按照GAS的历史最高价,每个Token的价格为95.87美元,那么仅仅部署一次智能合约,你的成本就要增加4,7000美元。1 w# h& q( ^- ^" x
因此,刚开始开发的时候,建议你在私有域或者测试网上操作,当你准备好之后,再转到主网上部署合约。
要求
本教程中,开发环境的需求如下所示:* L9 j- Y# G+ K
操作系统 – 桌面版Ubuntu Desktop 18.04.1 LTS. e y; i6 H- t1 E: d+ `, ?
Git 命令行接口 –Git
语言 – GO语言
Go语言依赖管理工具 – Dep
Docker –Docker CE 和 Docker Compose+ M/ \2 j% u5 O4 W
编辑器 – Visual Studio Code, Extension: Go
使用到的NEO的资料/ `# P8 c$ S* |, h- ^. Y
GO语言智能合约框架 – neo-storm
预建好的使用Python语言编写的neo-privnet-with-gas以及nep-scan镜像 – neo-scan-docker% L* S" C7 t' Y: ?* S" t/ ~9 g
重要提示:结果可能因NEO编译器和节点版本不同而有差异。
本质上来说,有几种方法可以运行私有域,例如使用 neo-go 或者 neo-privatenet-docker。 但是,在本教程中,我们会使用slipo编写的 neo-scan-docker。 neo-scan-docker是用neo-python构建的,所以它带有一些“Python”组件。 此外,它还带有neo-scan的UI,允许您分析智能合约的部署事务。% o" I; q& \$ b) e% ]3 _
*安装方法可能因操作系统而异。 相关的详细信息,请点击上面的链接查看。
配置你的环境
首先,我们先用 neo-scan-docker来配置一下NEO私有域。. c3 ^# n/ I! R5 l4 `
1 检查一下Git, Docker and Docker Compose这些工具是否已经准备好。% ^& v) Q$ x3 z5 w4 d
richie@Redbuntu:~/Desktop$ sudo git --version
git version 2.17.1* `7 {2 U9 _ M" n
richie@Redbuntu:~/Desktop$ sudo docker -v" v* I9 ^+ z* E, }4 v; K
Docker version 18.06.1-ce, build e68fc7a! F, ~7 v, d. a4 h) f* [$ c
richie@Redbuntu:~/Desktop$ sudo docker-compose -v! {9 T- }5 P+ {! N+ p( j5 g
docker-compose version 1.22.0, build f46880fe
2克隆(Clone) slipo的 neo-scan-docker仓库代码,并使用 docker-compose来加载Docker镜像。 下载镜像可能需要点时间,请耐心等待done状态的出现。# h/ e9 c0 L$ R) `
richie@Redbuntu:~/Desktop$ git clone https://github.com/slipo/neo-scan-docker.git0 ?$ B y- a5 [; N2 A C
Cloning into 'neo-scan-docker'...
remote: Counting objects: 27, done.
remote: Total 27 (delta 0), reused 0 (delta 0), pack-reused 27/ h3 D0 M) t- m, K, | ]
Unpacking objects: 100% (27/27), done.
richie@Redbuntu:~/Desktop$ cd neo-scan-docker/
richie@Redbuntu:~/Desktop/neo-scan-docker$ sudo docker-compose up! h g/ z8 f% g
Starting neo-scan-docker_postgresql_1 ... done' E: R# c$ _* f m
Starting neo-privnet ...- W+ U/ ]$ f4 s8 p7 C1 U9 ]1 G
done* e5 J3 J4 k, o
Starting neo-scan ...
done
Attaching to neo-scan-docker_postgresql_1, neo-privnet, neo-scan`$ a+ i# i# b" J
3在你的主机文件中,添加127.0.0.1 neo-privnet。注意:主机文件的位置可能因操作系统而异。
Unix/Linux/macOS - /etc/hosts
Windows - C:\Windows\System32\Drivers\etc\hosts`
4在浏览器中输入http://127.0.0.1:4000/,可以看到City of Zion (CoZ)提供的neo-scan网页界面。
5点击钱包地址(Wallet Addresses),你可以看到预存有NEO和GAS的钱包地址。部署智能合约的时候我们需要使用到这些Token。更多信息,可以查看 neo-privatenet 。
导入WIF密钥可以获取预存有NEO和GAS的钱包的密钥。 私钥/WIF 密钥 KxDgvEKzgSBPPfuVfw67oPQBSjidEiqTHURKSDL1R7yGaGYAeYnr 地址: AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y 脚本哈希值 (用于检查): b'#\xba\'\x03\xc52c\xe8\xd6\xe5"\xdc2 39\xdc\xd8\xee\xe9'$ I* ?- C ?& T% v$ d
这样你的NEO私有域和neo-scan就已经配置好了。
下一步,配置neo-storm。& D3 v! C) R+ k0 W
1在终端中输入下面这几条命令, go version、dep version以及echo $GOPATH,确认一下Go, Dep, GOPATH都已经准备好。6 x2 l7 f& \% F9 a9 w$ X
richie@Redbuntu:~$ go version* b+ P J8 t% p! z
go version go1.10.1 linux/amd64
richie@Redbuntu:~$ dep version
dep:
version : devel3 V* ~: l1 L6 K: B6 |
build date : % v( ]9 P) ~4 @, z) k; ~- z
git hash :
go version : go1.8.3
go compiler : gc$ x6 p, D1 s. @. \ I6 a
platform : linux/amd64
richie@Redbuntu:~$ echo $GOPATH
/home/richie/go$ E" H3 r4 r9 a2 ?! Z3 F
2输入 go get命令获取neo-storm,输入dep命令检查依赖包,使用make install命令进行安装。 *忽略警告信息
richie@Redbuntu:~$ go get -u" x l5 W" h3 \: o
github.com/CityOfZion/neo-storm
package github.com/CityOfZion/neo-storm: no Go files in! [' w: {1 i+ T3 f; r7 \
/home/richie/go/src/github.com/CityOfZion/neo-storm& {$ e0 S) Y5 A' Z5 O$ D* N
richie@Redbuntu:~$ cd $GOPATH/src/github.com/CityOfZion/neo-storm
richie@Redbuntu:~/go/src/github.com/CityOfZion/neo-storm$ sudo dep ensure2 w6 H& p M8 D5 {! A
-update
dep: WARNING: Unknown field in manifest: prune7 k9 E. }/ j9 U: R
richie@Redbuntu:~/go/src/github.com/CityOfZion/neo-storm$ sudo make install& A1 T' P5 K8 _& f! q1 P' n4 X! T9 w: L
installing project dependencies& U, v t: J* j6 `% d
dep: WARNING: Unknown field in manifest: prune" C; h( V2 P( |, t u# Q9 v) E
installing neo-storm framework/ o' L2 D: G0 k& z6 [
done installing, happy coding! C+ f) \1 X% i
3现在neo-storm已经安装好了,你可以测试一下。
richie@Redbuntu:~/go/src/github.com/CityOfZion/neo-storm$3 w8 Z4 y! D, a9 m2 H
neo-storm7 j1 T H1 [' R( k
NAME:
neo-storm - Neo smart contract- L, ~ ]7 C3 r" n. f% u, T1 \
framework for the Go programming language
USAGE: k! j4 Q: ^% Z V" X
neo-storm [global options] command[command options][arguments...]
VERSION:
0.0.0
COMMANDS:
compile compile a smart contract to an .avm file$ e5 T! B+ K# E/ u) n2 a
testinvoke testinvoke a smart contract against a remote NEO RPC node2 }! N3 \* H/ J6 B; v( H2 h& S
init initialize a new smart-contract in a directory with boiler plate code
help, h Shows a list of commands or help for one command2 a0 P1 `; X, U
GLOBAL OPTIONS:
--help, -h show help, G# W" p9 E4 p
--version, -v print the version+ c3 c( m J1 D9 o1 r
4“安装完成,开心编码” ——接下来开始我们的第一个智能合约吧。. r' Z" i) y! ?3 C0 ~
richie@Redbuntu:~/Desktop$ cd ~/Desktop
richie@Redbuntu:~/Desktop$ neo-storm init -n NeoStormTest( t" `' M5 s' g$ x0 |! Y
Successfully initialized smart contract [NeoStormTest], n j9 `: o' T& M! B; q
richie@Redbuntu:~/Desktop$ cd NeoStormTest/
richie@Redbuntu:~/Desktop/NeoStormTest$ ls+ |0 X6 k; ]7 u' N' y4 z
main.go
richie@Redbuntu:~/Desktop/NeoStormTest$ cat main.go- _, R3 L! }# W7 N; F0 q/ E
package NeoStormTest# b1 |5 a' _5 L% d" D& e& G
import "github.com/CityOfZion/neo-storm/interop/runtime"
func Main(op string, args []interface{}) {0 q7 r2 R @- {0 a% A
runtime.Notify("Hello world!")
发行NEP-5通证合约. L/ C+ `. u h
1要在NEO上发行NEP-5通证,我们必须遵守它的通证标准。 *改进的NEP5可以在Github上查看,它允许Token上线NEX交易所。
NEP-5 Token Standard+ F& [! I+ m) x7 l3 j. ^) l
Methods
-totalSupply()
-name()
-symbol()
-decimals()+ e8 I M q( {) w/ }; k
-balanceOf(account)
-transfer(from, to, amount)
Events R* j' L4 z; x
-transfer(from, to, amount)
NEP-5(.1) by NEX
Methods
-totalSupply()' ^, S$ e$ q/ Y5 l
-name()
-symbol()
-decimals()% v4 P6 r8 c5 c3 }' B
-balanceOf(ctx, account)
-transfer(ctx, from, to, amount, callingScriptHash)
-transferFrom(ctx, from, to, amount)
-approve(ctx, owner, spender, amount, callingScriptHash)
-allowance(ctx, owner, spender)
2不用重新编写一个Token合约,你可以fork/clone我的github仓库。5 A" w. \. V7 N5 |
richie@Redbuntu:~/Desktop$ git clone https://github.com/maplerichie/neo-go-nep5 MyFirstNeoGoContract
3启动代码编辑器(我用的是Visual Studio Code),将~/Desktop/MyFirstNeoGoContract 添加到你的工作区(workspace)。Neo-storm的examples文件夹里也有例子,可以点击https://github.com/CityOfZion/neo-storm/tree/master/examples/token查看。# E! A5 V$ O0 x$ [. {6 W: C
https://github.com/maplerichie/neo-go-nep5
4编辑package,修改NEP-5的属性值,例如decimals, multiplier, owner Address, Name, Symbol, TotalSupply。
Package:应该将package修改为 package MyFirstNeoGoContract ,从而与文件夹名称保持一致。* a, Q5 v4 S3 y) B6 q
Decimals:用来设置Token使用的小数位数或者Token可被分割的最小单位。 ~& U2 C$ d8 k! F# {, l6 w8 _# L2 s
例如:NEO的小数点位数是0,意味着它是不可分的Token。因此不能转账或者接收小数个NEO,只能是整数个。小数只能在交易所使用,因为它们创建了自己的十进制系统来方便交易。$ H8 h. k' c* b# V2 \
Multiplier:这给出了Decimals和TotalSupply相乘时的值。 输入格式为10 ^ Decimals。+ [1 {3 y& e% k8 d9 j) J
例如: decimals = 6时,multiplier的值应该是10^6,即multiplier = 1000000。
Owner: Token发行者的地址。这里我们使用neo-privetenet的地址AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y。. L7 g! ~) F' S! k3 H
Name: 字符串格式的NEP-5Token的名称。# O0 u2 {: M0 F# z. f) R) d
Symbol: NEP-5Token符号,通常是3个字符的长度,但不是必须的。/ p" k* z. C( i/ E( ^
TotalSupply: 总发行量。设置一个总发行量可以防止通胀。8 _2 v7 H4 b" ]8 n
8 d7 Z' f7 c: }
5修改参数同时确保符合NEP-5Token标准。然后使用neo-storm来编译GO智能合约。
richie@Redbuntu:~/Desktop/MyFirstNeoGoContract$ neo-storm compile -i main.go -o main.avm/ a( w7 {9 b& C8 ?1 X! Z) w& A
6当前目录下你可以看到 main.avm文件。现在neo-storm不会运行检查NEP-5Token标准。我的经验是缺少owner Address信息时,会显示错误信息。
7现在讲NEP-5合约部署到Privatenet Docker。这么做之前我们需要先获取Privatenet Docker ID值,然后在主机上复制main.avm文件并粘贴进Privatenet Docker镜像中,然后将它附加到运行的Docker中。3 o6 R5 x3 e. s9 a- o. a0 r1 o
richie@Redbuntu:~/Desktop/MyFirstNeoGoContract$ sudo
docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS
NAMES
69c60667835b slipoh/neo-scan "/bin/sh -c 'sleep
3…" 6 hours ago Up About a minute 0.0.0.0:4000->4000/tcp 1 y2 c4 I9 |/ h) } z# j/ R
neo-scan
88b358cdd8ff 6 K/ q# \+ h6 x
cityofzion/neo-privatenet
"/bin/bash /opt/run.…" 4 b( A. @) C6 t! r
6 hours ago Up About a
minute - J. z0 I2 T$ O3 X2 N2 `$ b6 D2 M- N! s) a
0.0.0.0:20333-20336->20333-20336/tcp,
0.0.0.0:30333-30336->30333-30336/tcp
neo-privnet
ab96dc398c62 postgres:10.1 8 |/ k0 u% g Q$ E; z3 c
"docker-entrypoint.s…" 1 F# F7 u+ b' F7 L) M
6 hours ago Up About a6 }9 @4 }7 I7 M* K5 P
minute 0.0.0.0:5432->5432/tcp + G, P8 v* Y9 k! N
neo-scan-docker_postgresql_1
richie@Redbuntu:~/Desktop/MyFirstNeoGoContract$ sudo docker cp main.avm
88b358cdd8ff:/neo-python
richie@Redbuntu:~/Desktop/MyFirstNeoGoContract$ sudo docker exec -it5 M3 ?" Q) d: y8 I
88b358cdd8ff /bin/bash
*共识节点运行在在screen sessions,使用’screen -ls’命令查看
*neo-python安装在/neo-python目录下,目录下带有a neo-privnet.wallet文件
*有问题可报告给:https://github.com/CityOfZion/neo-privatenet-docker
8在Docker上,打开neo-python-cli终端并使用密码coz解锁钱包。
root@88b358cdd8ff:/neo-python# neopy; l1 N. z6 T: U* P" I) e
Privatenet useragent '/NEO:2.7.6/', nonce: 513759764
[I 180914 10:34:09 LevelDBBlockchain:114] Created Blockchain DB at /root/.neopython/Chains/privnet) r4 u( l1 A( T/ H) _' V! q
[I 180914 10:34:09 NotificationDB:73] Created Notification DB At! k: u7 z, K7 k( m
/root/.neopython/Chains/privnet_notif , z% ]5 u# k; w) b5 R1 }9 n
NEO cli. Type 'help' to get started
neo> open wallet neo-privnet.wallet
[password]> ***
Opened wallet at neo-privnet.wallet3 ^, b5 y& w! f7 p) r
9部署合约main.avm前,使用neo-scan看一看钱包余额。
neo> wallet, R5 L+ Y4 c! Q: _
[I 180914 11:01:22 UserWallet:538] Script hash) z# u( n+ y: S# S. F
b'#\xba\'\x03\xc52c\xe8\xd6\xe5"\xdc2 39\xdc\xd8\xee\xe9' 8 w' {8 w r' d& M: X
Used 0.357 Gas ; N6 T4 Y9 ?3 H( A
Used 0.357 Gas
Wallet { Q5 B* j4 Z5 ?
"path":1 e8 W" r/ ~3 o! t) j% T
"neo-privnet.wallet"," x* }+ k. y; E- I. A
"addresses": [
{
"version": 0,2 s! B; p. P/ o6 k$ {8 I
"script_hash":
"AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y",
"frozen": false,* u: f7 s0 l0 D6 g+ { r& H' u V
"votes": [],
"balances": {) B# O4 u0 C' y$ m# k- P
"0xc56f33fc6ecfcd0c225c4ab356fee59390af8560be0e930faebe74a6daff7c9b":3 ]) s& |+ ?, M" |+ l m
"100000000.0",
"0x602c79718b16e442de58778e148d0b1084e3b2dffd5de6b7b16cee7969282de7":
"74589.9996"9 q/ F* v! K4 r4 g9 ~" J. t' @
},
"is_watch_only":
false,
"tokens": [
"[a3640dd3c560c75528e5f861da5da98958d0d713]2 l: f8 K/ g+ f5 o
NXT2 : 2500000.00000000"9 q" T% A8 G0 H' X5 g
]
}
],
"height": 10294,
"percent_synced": 100,9 H6 @4 a( z5 u- o
"synced_balances": [" u/ u$ Q% w! x' n. B. Y
"[NEO]: 100000000.0 ",
"[NEOGas]: 74589.9996- \* |$ R5 |$ x( ]
",
"[NXT2]: 2500000 "/ C. A0 b# J5 F% T: p
],
"public_keys": [" |7 |. M x/ U. \3 l
{/ E& {' {2 D! _8 {3 F x
"Address":: X" t. Y9 \, i
"AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y",
"Public Key":) i6 q$ c& t4 t" s, I+ y, Y
"031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4a"
}
], v$ M# W( [; f$ W1 \. n
"tokens": [) S- v9 ]* P# a; d5 v, n4 S, j
{8 c9 t3 G9 u( U5 ~- q; n
"name": "NEX
Template V2",) G) [7 n9 w7 E& ]+ l y' l% b
"symbol":- Z3 g* L0 F, q" F
"NXT2",: H. H) k1 I7 O% X0 O6 k: a% ?2 L
"decimals": 8,
"script_hash":+ S, X& v8 a3 n5 u5 a
"0xa3640dd3c560c75528e5f861da5da98958d0d713",0 k4 M$ J' \; F# r5 u+ `
"contract_address":+ d5 w" t& U" u
"AHao29nmHmJ82Fsj1qDgqtDc2rtQ8u2n2b"
}# j$ {9 h/ ]. D) c. k
],
"claims": {4 ]+ z6 G w8 C: }; Q$ f3 ?
"available":
"0.0",& S2 g; A ^, [) b
"unavailable":
"7730.0"0 a. R S# q" C& k' u/ x
}
}
10看来可以开始部署了。再次提醒,钱包密码是coz。
neo> import contract main.avm 0710 05 True False * _/ \7 u! Z) W3 D2 l) j0 `
contract properties: 1* E0 T3 V, H" O; y K
Please fill out the following contract details:
[Contract Name] > MyFirstNEOToken
[Contract Version] > 1.0
[Contract Author] > Richie* g8 m; }8 @6 ]# _* O) R
[Contract Email] > babierichie@hotmail.com* K( M9 Q$ t2 j: [) a
[Contract Description] > First NEO Token
Creating smart contract....
Name: MyFirstNEOToken
Version: 1.0 I: F, v! h3 g: Q
Author: Richie 5 F3 O0 n; j B [! m+ S1 s$ B3 ^
Email: babierichie@hotmail.com 5 D* W0 z+ _( D# y! i; q4 K% i$ }
Description: First NEO Token
Needs Storage: True * o; L) S- w: r1 c4 R. d
Needs Dynamic Invoke: False " C% b+ U9 W( @% [$ N' u
{
"hash":
"0x4e9b87c96158a8e2cc4b74794f727b38947e9862",2 F5 }( G% a9 d H& k
"script": "...",% z9 b7 Y3 I6 c# |4 S$ h
"parameters":" P6 q7 L3 I# o2 E* f( `7 r
"0710",
"returntype":& b5 Q! ~) L) H7 e, h% b" d
"05"
}" l% z# h' p/ i0 O# d; b
Used 500.0 Gas. W, X2 L$ g9 N9 X. ?$ X! d$ d
-------------------------------------------------------------------------------------------------------------------------------------
Test deploy invoke successful
Total operations executed: 11
Results:
[]
Deploy Invoke TX GAS cost: 490.0 0 [. [. ]8 j/ g
Deploy Invoke TX Fee: 0.0 8 W; G9 [9 k- U4 g2 k# C$ [
-------------------------------------------------------------------------------------------------------------------------------------
Enter your password to continue and deploy this contract" t! f- D0 A3 s6 F( U
[password]> ***
[I 180914 11:03:33 Transaction:613] Verifying transaction: b'9d63e8977edb6448b7d9efa93e0ff0258324ab3b530d3848def4b29dd6569114'
Relayed Tx: 9d63e8977edb6448b7d9efa93e0ff0258324ab3b530d3848def4b29dd6569114
11使用给定的哈希值验证交易。 注意:不同机器的哈希值是不一样的。0 J, A* }# f# K6 o
neo> tx
9d63e8977edb6448b7d9efa93e0ff0258324ab3b530d3848def4b29dd6569114
{& D2 m. _4 e$ d# o( s+ ?3 n
"txid": "0x9d63e8977edb6448b7d9efa93e0ff0258324ab3b530d3848def4b29dd6569114",) q) {# b0 c# ^) h! N
"type":
"InvocationTransaction",
"version": 1,& }. W0 X8 q! Y" ^- v
"attributes": [],
"vout": [
{
"n": 0,5 z' _; `9 A, z: ~3 H
"asset":
"0x602c79718b16e442de58778e148d0b1084e3b2dffd5de6b7b16cee7969282de7",
"value":* k3 Z9 l+ \. D: G( p$ x
"25493.9997",
"address":
"AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y"
}
],% F. n/ d/ y& ~6 z# v
"vin": [* Q# j* C' X. q; d( H
{
"txid":
"475a091ccaa6330320a29884f5f8796a260bdba91352dd409d16787b37d8be26",6 W8 ?- ?& i8 C& B
"vout": 0
}
],& J; { K0 v7 X1 b
"sys_fee":
"4.9e-06",, b0 c5 O; R: `# Z. r- Y) |
"net_fee": K) W/ X6 C0 N- X. t
"489.9999951",& a* x3 N; b/ f
"scripts": [ j! ?1 u4 [, I1 v
{
"invocation":8 M; f D$ e3 ^
"40510fa6630ef581108057ebe967cd306522466a32eaf068cf3717da1e640b866246c013033e3c878ebf9247a5a3500178b21b126b3af63ed07a86b0d2c4f34c89",
"verification":' z6 M+ X7 \" V& ^
"21031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4aac"
}# }( y/ o& F2 Q* e
],
"script": "...",
"gas": 49000000000,$ A5 |" \) G% s! L, C1 |( I: i+ l
"height": 10302,
"unspents": [
{. [* z/ f1 U1 Q4 E
"n": 0,; k0 J2 r8 W2 b4 a
"asset":0 { A5 U# z) d3 V; d
"0x602c79718b16e442de58778e148d0b1084e3b2dffd5de6b7b16cee7969282de7",
"value":
"25493.9997",
"address":6 K9 [, Z2 [- J4 Q# l
"AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y"7 A8 g) w0 w5 G* w$ z4 Y
}# f/ X' W/ z) J7 F
]3 Y( t! }: X) K$ `9 H" T, z5 U4 d
}
12交易显示后,再次查看钱包余额。 在步骤9,我们的GAS余额为74589.9996,现在,GAS余额变为74099.9996。 因为这减少的490个 GAS已用于合约部署!" K. K" K9 P" }
neo> wallet$ J* `) U$ k! x
[I 180914 11:18:38 UserWallet:538] Script hash
b'#\xba\'\x03\xc52c\xe8\xd6\xe5"\xdc2 39\xdc\xd8\xee\xe9'
Used 0.357 Gas 5 e" S t P; l5 K1 o
Used 0.357 Gas {+ F+ ]8 c; A% {' A4 H$ p) f1 e
Wallet {1 ~- w0 {4 n) X1 n4 t. b
"path":
"neo-privnet.wallet"," D0 y9 a8 Y! w3 t8 m: }& i$ s
"addresses": [4 {5 ] \) X; A: R; B
{
"version": 0,. Y4 r: D7 R1 V6 ^, _. H2 g
"script_hash":+ x/ H) u& M7 D6 T* ^/ u* X; ]/ w
"AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y",
"frozen": false,
"votes": [],. j/ q1 N& F w$ t! R. {5 {; E f2 |, o
"balances": {
"0xc56f33fc6ecfcd0c225c4ab356fee59390af8560be0e930faebe74a6daff7c9b":
"100000000.0",
2 e: g& n* s+ E3 l- S
"0x602c79718b16e442de58778e148d0b1084e3b2dffd5de6b7b16cee7969282de7":
"74099.9995"0 @) ]0 ^+ \6 w9 ~& \( ^( I+ K
},2 |) a ?# a) z/ i
"is_watch_only":
false,
"tokens": [
5 N4 D9 k, W0 O1 W+ M: [; {$ c/ o
"[a3640dd3c560c75528e5f861da5da98958d0d713] NXT2 :+ f$ ]* ^8 ^6 K, Y0 f: J
2500000.00000000"
]7 o( o' `$ d5 a% n, d
}
],5 }; @7 g/ N0 V& J8 i9 E0 X
"height": 10348,# I" h6 f( J/ p \6 t
"percent_synced": 100,- K$ N+ f x7 F: y6 W+ O e8 x
"synced_balances": [3 s: e+ R2 V3 \3 n2 m
"[NEO]: 100000000.0 ",
"[NEOGas]: 48605.9999# }5 y/ N0 w& K: N, i6 Y. Z* w
",9 L! k+ W" t" L# f( b+ d3 h C4 D
"[NXT2]: 2500000 "
],+ t9 S" w$ J8 [* h6 T& s3 C
"public_keys": [
{2 }+ e, u* R; k# o
"Address":, _! j5 g1 s) c2 U6 y# g' [2 p0 b
"AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y",
"Public Key":
"031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4a"# F; m. O& o1 }# Y
}0 C$ w, b2 u; O- v7 r9 U
],2 ~, e" [! K& @* @5 `: ^, l9 K
"tokens": [, B1 _( e6 [* _; e, {
{
"name": "NEX2 i1 r/ m3 h6 P+ y3 W
Template V2",
"symbol": "NXT2",
"decimals": 8,
"script_hash":5 i+ G* \; O" N3 e8 g8 O( G
"0xa3640dd3c560c75528e5f861da5da98958d0d713",
"contract_address":. ?: q% A& g; p* A' c9 q
"AHao29nmHmJ82Fsj1qDgqtDc2rtQ8u2n2b"
}8 E; v1 r- W& K: `
],
"claims": {
"available":1 E$ ~9 e2 `6 ^% u# `+ u
"0.0",' S8 R" k' _8 m2 U
"unavailable": "8652.0": g1 d/ y' v% ~
}4 [7 `4 L7 F3 _
}* G5 F3 G3 w. z
我们也可以看一看部署好的合约。& o- x ]) Y0 k2 c9 B
neo> contract search My
Found 1 results for My
{- n1 S# C) u1 A
"version": 0,
"code": {
"hash": "0x4e9b87c96158a8e2cc4b74794f727b38947e9862"," Y8 |* p7 S- t3 \( [5 U1 b- k" X( i- {
"script": "...",3 K& f2 t8 b# A8 {/ ~
"parameters": "0710",
"returntype": 5( x+ n" u8 _' D! L7 a. z: `: t
},
"name": "MyFirstNEOToken",
"code_version": "1.0",) Y5 T2 W" K' V) s! L; D0 S
"author": "Richie",+ [( Z0 q/ F9 i. [1 d; M
"email": "babierichie@hotmail.com",
"description": "First NEO Token",
"properties": {
"storage": true,
"dynamic_invoke": false: c; M2 n: H7 [- A# {2 R1 I
}" A9 }4 D9 j& G" {+ b: X
}
13最后,我们可以尝试使用钱包的密码coz,来调用这个带有合约哈希值的Token。9 j/ z) V0 l; `% _' C$ s& F
neo> testinvoke; L, Y9 D1 {+ u, D
0x4e9b87c96158a8e2cc4b74794f727b38947e9862 deploy []
好了,现在你已经在NEO的私有域上成功的发行了NEP-5Token。
最后/ l) c. x' e3 t
希望对于Gophers来说,能很轻松地照着本教程学习。也希望GO开发人员能加入 NEO’s Discord,一起开发学习。你一定要试一试!
如果您真的需要我的帮助,请在Discord上联系我(LikKee.Richie#5647)
成为第一个吐槽的人