mirror of
https://github.com/ditatompel/xmr-remote-nodes.git
synced 2024-09-29 01:41:27 +00:00
352 lines
8.2 KiB
Go
352 lines
8.2 KiB
Go
package monero
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import (
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"database/sql"
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"encoding/json"
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"errors"
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"fmt"
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"log/slog"
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"net"
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"slices"
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"strings"
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"time"
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"xmr-remote-nodes/internal/database"
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"github.com/jmoiron/sqlx/types"
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)
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type MoneroRepository interface {
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Node(id int) (Node, error)
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Add(protocol string, host string, port uint) error
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Nodes(QueryNodes) (Nodes, error)
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NetFees() []*NetFee
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Countries() ([]Countries, error)
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GiveJob(acceptTor int) (Node, error)
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ProcessJob(report ProbeReport, proberId int64) error
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Logs(QueryLogs) (FetchLogs, error)
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}
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type MoneroRepo struct {
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db *database.DB
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}
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func New() MoneroRepository {
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return &MoneroRepo{db: database.GetDB()}
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}
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// Node represents a single remote node
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type Node struct {
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ID uint `json:"id,omitempty" db:"id"`
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Hostname string `json:"hostname" db:"hostname"`
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IP string `json:"ip" db:"ip_addr"`
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Port uint `json:"port" db:"port"`
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Protocol string `json:"protocol" db:"protocol"`
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IsTor bool `json:"is_tor" db:"is_tor"`
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IsAvailable bool `json:"is_available" db:"is_available"`
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Nettype string `json:"nettype" db:"nettype"`
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Height uint `json:"height" db:"height"`
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AdjustedTime uint `json:"adjusted_time" db:"adjusted_time"`
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DatabaseSize uint `json:"database_size" db:"database_size"`
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Difficulty uint `json:"difficulty" db:"difficulty"`
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Version string `json:"version" db:"version"`
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Status string `json:"status,omitempty"`
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Uptime float64 `json:"uptime" db:"uptime"`
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EstimateFee uint `json:"estimate_fee" db:"estimate_fee"`
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ASN uint `json:"asn" db:"asn"`
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ASNName string `json:"asn_name" db:"asn_name"`
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CountryCode string `json:"cc" db:"country"`
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CountryName string `json:"country_name" db:"country_name"`
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City string `json:"city" db:"city"`
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Latitude float64 `json:"latitude" db:"lat"`
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Longitude float64 `json:"longitude" db:"lon"`
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DateEntered uint `json:"date_entered,omitempty" db:"date_entered"`
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LastChecked uint `json:"last_checked" db:"last_checked"`
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FailedCount uint `json:"failed_count,omitempty" db:"failed_count"`
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LastCheckStatus types.JSONText `json:"last_check_statuses" db:"last_check_status"`
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CORSCapable bool `json:"cors" db:"cors_capable"`
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}
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// Get node from database by id
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func (r *MoneroRepo) Node(id int) (Node, error) {
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var node Node
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err := r.db.Get(&node, `SELECT * FROM tbl_node WHERE id = ?`, id)
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if err != nil && err != sql.ErrNoRows {
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slog.Error(err.Error())
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return node, errors.New("Can't get node information")
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}
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if err == sql.ErrNoRows {
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return node, errors.New("Node not found")
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}
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return node, err
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}
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// QueryNodes represents database query parameters
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type QueryNodes struct {
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Host string
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Nettype string // Can be "any", mainnet, stagenet, testnet. Default: "any"
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Protocol string // Can be "any", tor, http, https. Default: "any"
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CC string // 2 letter country code
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Status int
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CORS int
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// pagination
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RowsPerPage int
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Page int
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SortBy string
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SortDirection string
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}
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// toSQL generates SQL query from query parameters
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func (q QueryNodes) toSQL() (args []interface{}, where, sortBy, sortDirection string) {
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wq := []string{}
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if q.Host != "" {
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wq = append(wq, "(hostname LIKE ? OR ip_addr LIKE ?)")
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args = append(args, "%"+q.Host+"%", "%"+q.Host+"%")
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}
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if q.Nettype != "any" {
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if q.Nettype == "mainnet" || q.Nettype == "stagenet" || q.Nettype == "testnet" {
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wq = append(wq, "nettype = ?")
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args = append(args, q.Nettype)
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}
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}
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if q.Protocol != "any" && slices.Contains([]string{"tor", "http", "https"}, q.Protocol) {
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if q.Protocol == "tor" {
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wq = append(wq, "is_tor = ?")
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args = append(args, 1)
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} else {
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wq = append(wq, "(protocol = ? AND is_tor = ?)")
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args = append(args, q.Protocol, 0)
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}
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}
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if q.CC != "any" {
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wq = append(wq, "country = ?")
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if q.CC == "UNKNOWN" {
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args = append(args, "")
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} else {
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args = append(args, q.CC)
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}
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}
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if q.Status != -1 {
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wq = append(wq, "is_available = ?")
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args = append(args, q.Status)
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}
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if q.CORS != -1 {
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wq = append(wq, "cors_capable = ?")
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args = append(args, q.CORS)
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}
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if len(wq) > 0 {
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where = "WHERE " + strings.Join(wq, " AND ")
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}
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as := []string{"last_checked", "uptime"}
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sortBy = "last_checked"
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if slices.Contains(as, q.SortBy) {
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sortBy = q.SortBy
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}
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sortDirection = "DESC"
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if q.SortDirection == "asc" {
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sortDirection = "ASC"
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}
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return args, where, sortBy, sortDirection
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}
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// Nodes represents a list of nodes
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type Nodes struct {
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TotalRows int `json:"total_rows"`
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RowsPerPage int `json:"rows_per_page"`
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Items []*Node `json:"items"`
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}
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// Get nodes from database
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func (r *MoneroRepo) Nodes(q QueryNodes) (Nodes, error) {
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args, where, sortBy, sortDirection := q.toSQL()
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var nodes Nodes
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nodes.RowsPerPage = q.RowsPerPage
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qTotal := fmt.Sprintf(`
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SELECT
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COUNT(id) AS total_rows
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FROM
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tbl_node
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%s`, where)
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err := r.db.QueryRow(qTotal, args...).Scan(&nodes.TotalRows)
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if err != nil {
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return nodes, err
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}
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args = append(args, q.RowsPerPage, (q.Page-1)*q.RowsPerPage)
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query := fmt.Sprintf(`
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SELECT
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*
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FROM
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tbl_node
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%s -- where query if any
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ORDER BY
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%s
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%s
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LIMIT ?
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OFFSET ?`, where, sortBy, sortDirection)
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err = r.db.Select(&nodes.Items, query, args...)
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return nodes, err
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}
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func (repo *MoneroRepo) Add(protocol string, hostname string, port uint) error {
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if protocol != "http" && protocol != "https" {
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return errors.New("Invalid protocol, must one of or HTTP/HTTPS")
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}
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if port > 65535 || port < 1 {
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return errors.New("Invalid port number")
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}
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is_tor := false
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if strings.HasSuffix(hostname, ".onion") {
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is_tor = true
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}
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ip := ""
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if !is_tor {
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hostIps, err := net.LookupIP(hostname)
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if err != nil {
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return err
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}
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hostIp := hostIps[0].To4()
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if hostIp == nil {
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return errors.New("Host IP is not IPv4")
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}
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if hostIp.IsPrivate() {
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return errors.New("IP address is private")
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}
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if hostIp.IsLoopback() {
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return errors.New("IP address is loopback address")
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}
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ip = hostIp.String()
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}
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row, err := repo.db.Query(`
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SELECT
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id
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FROM
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tbl_node
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WHERE
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protocol = ?
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AND hostname = ?
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AND port = ?
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LIMIT 1`, protocol, hostname, port)
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if err != nil {
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return err
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}
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defer row.Close()
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if row.Next() {
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return errors.New("Node already monitored")
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}
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statusDb, _ := json.Marshal([5]int{2, 2, 2, 2, 2})
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_, err = repo.db.Exec(`
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INSERT INTO tbl_node (
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protocol,
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hostname,
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port,
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is_tor,
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nettype,
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ip_addr,
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lat,
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lon,
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date_entered,
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last_checked,
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last_check_status
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) VALUES (
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?,
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?,
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?,
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?,
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?,
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?,
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?,
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?,
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?,
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?,
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?
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)`,
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protocol,
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hostname,
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port,
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is_tor,
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"",
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ip,
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0,
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0,
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time.Now().Unix(),
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0,
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string(statusDb))
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if err != nil {
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return err
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}
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return nil
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}
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func (r *MoneroRepo) Delete(id uint) error {
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if _, err := r.db.Exec(`DELETE FROM tbl_node WHERE id = ?`, id); err != nil {
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return err
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}
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if _, err := r.db.Exec(`DELETE FROM tbl_probe_log WHERE node_id = ?`, id); err != nil {
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return err
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}
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return nil
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}
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type NetFee struct {
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Nettype string `json:"nettype" db:"nettype"`
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EstimateFee uint `json:"estimate_fee" db:"estimate_fee"`
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NodeCount int `json:"node_count" db:"node_count"`
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}
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// Get majority net fee from table tbl_fee
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func (r *MoneroRepo) NetFees() []*NetFee {
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var netFees []*NetFee
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err := r.db.Select(&netFees, `
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SELECT
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nettype,
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estimate_fee,
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node_count
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FROM
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tbl_fee
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`)
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if err != nil {
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slog.Error(fmt.Sprintf("[MONERO] Failed to get net fees: %s", err))
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}
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return netFees
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}
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type Countries struct {
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TotalNodes int `json:"total_nodes" db:"total_nodes"`
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CC string `json:"cc" db:"country"` // country code
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Name string `json:"name" db:"country_name"`
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}
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func (r *MoneroRepo) Countries() ([]Countries, error) {
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countries := []Countries{}
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err := r.db.Select(&countries, `
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SELECT
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COUNT(id) AS total_nodes,
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country,
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country_name
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FROM
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tbl_node
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GROUP BY
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country
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ORDER BY
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country ASC`)
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return countries, err
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}
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