Asimov__-CSDN博客

configvar DnsDevConfInstance *DnsDevConfvar DnsDevConfInstanceOnceDo sync.Once// func SingleNewDnsDevConf() *DnsDevConf { if DnsDevConfInstance == nil { DnsDevConfInstanceOnceDo.Do(func() { DnsDevConfInstance = NewDnsDevConf() }) } return Dn

2022-05-10 17:30:18 1335

原创 net/http路由注册

package mainimport ( "context" "fmt" "log" "net/http" "os" "os/signal" "syscall")type HandlerStruct struct { content string}// HelloHandlerStruct Handler对象func (handler *HandlerStruct) ServeHTTP(w http.ResponseWriter, r *http.Request) { f

2022-05-07 16:13:57 810

原创查看ens域名是否可注册

package testimport ( "encoding/json" "fmt" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/crypto" "io/ioutil" "log" "net/http" "strings" "testing")func TestNameHash(t *testing.T) { res, err := PostEns("wangbin.eth"

2022-05-06 15:11:19 712

原创 golang grpc服务

.proto协议文件// 版本syntax = "proto3";// 指定包名package protoser;// 文件生成位置option go_package = "./protoser";//service ListenService { rpc ListenServerEth (Req) returns (Res) {}}message Req { string addr =1;}message Res { string msg = 1;}mak

2022-05-05 15:30:22 176

原创 golang 单例

package serverimport "sync"type ListenServer struct {}func NewListenServer() *ListenServer { return &ListenServer{}}//var listenServerInstance *ListenServer//var listenServerMutex sync.Mutexvar listenServerInstanceOnceDo sync.Once// 单例

2022-04-27 15:42:14 149

原创 RSA 加密解密签名验签

apipackage v1// get请求import "github.com/gogf/gf/v2/frame/g"type GetKeyReq struct { g.Meta `path:"/get_key" method:"get" summary:"获取公钥" tags:"RSA"` Name string `json:"name" v:"required#账号" dc:"账号"`}type GetKeyRes struct { //g.Meta `mime:"text

2022-04-22 18:35:49 1257

原创 ECDSA签名算法

package mainimport ( "crypto/ecdsa" "crypto/elliptic" "crypto/rand" "crypto/sha256" "crypto/x509" "encoding/base64" "encoding/hex" "fmt" "math/big" "strings")// 生成公私钥func GenKeyPair() (privateKey string, publicKey string, e error) { // Gen

2022-04-22 15:23:29 849

原创 goframe框架jwt

service代码package service// gf-jwtimport ( "context" "firstproject/internal/model" jwt "github.com/gogf/gf-jwt/v2" "github.com/gogf/gf/v2/frame/g" "time")var authService *jwt.GfJWTMiddleware// 权限包管理func Auth() *jwt.GfJWTMiddleware { return a

2022-04-19 14:14:00 628

原创以太坊合约部署

合约在线编辑部署新建合约编译合约部署（injected web 连接插件的，测试网，会消耗gas）部署成功后会有个地址（测试链的部署地址）将测试链部署地址添加到 at address 重新部署会生成合约地址将合约abi文件用abigen转成go代码，开始调用：package serviceimport ( "context" "firstproject/tools" "fmt" "github.com/ethereum/go-ethereum/common" "gi

2022-04-19 12:13:09 5138

原创安装abigen，合约转go代码及调用合约

go get github.com/ethereum/go-ethereum用go mod的话安装包位置：$GOPATH/pkg/mod/.cd $GOPATH/pkg/mod/github.com/ethereum/[email protected] make && make devtoolsappledeMac-mini:~ apple$ abigen --helpabigen [global options] command [command optio

2022-04-15 15:31:21 5730

原创 goframe框架CLI dao命令

goframe2.0+文档数据库创建mysql用户（% 可远程登录）CREATE USER 'test'@'%' IDENTIFIED BY 'test';给用户加权限grant all privileges on *.* to test@'%' identified by 'test';flush privileges;修改密码SET PASSWORD FOR 'test'@'localhost' = PASSWORD('test');创建数据库create database `gof

2022-04-13 14:54:11 1529

原创 pastebin登录

"""_csrf-frontend:LoginForm[username]:LoginForm[password]:curl -X POST -d 'api_dev_key=NrTIaNdai-v2PlCNVmYuC4ZplXKBwBYX' -d 'api_paste_code=test' -d 'api_option=paste' "https://pastebin.com/api/api_post.php""""from lxml import etreeimport request

2021-09-22 20:56:53 639

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