Initial MVP
This commit is contained in:
commit
510abbab11
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package main
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import (
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"github.com/prometheus/client_golang/prometheus"
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)
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//Define the metrics we wish to expose
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var (
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zcashdBlocks = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "zcash_blocks", Help: "the current number of blocks processed in the server"})
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zcashdDifficulty = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "zcash_difficulty", Help: "the current difficulty"})
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zcashdSizeOnDisk = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "zcash_size_on_disk", Help: "the estimated size of the block and undo files on disk"})
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zcashdVerificationProgress = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "zcash_verification_progress", Help: "estimate of verification progress"})
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zcashdMemPoolSize = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "zcash_mempool_size", Help: "Current tx count"})
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zcashdMemPoolBytes = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "zcash_mempool_bytes", Help: "Sum of all tx sizes"})
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zcashdMemPoolUsage = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "zcash_mempool_usage", Help: "Total memory usage for the mempool"})
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zcashdWalletBalance = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "zcash_wallet_balance",
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Help: "Node's wallet balance"},
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[]string{
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"type",
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})
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)
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// ZCASH_PEERS = Gauge("zcash_peers", "Number of peers")
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// ZCASH_SOLS = Gauge("zcash_sols", "Estimated network solutions per second")
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// ZCASH_ERRORS = Counter("zcash_errors", "Number of errors detected")
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// ZCASH_LATEST_BLOCK_SIZE = Gauge("zcash_latest_block_size", "Size of latest block in bytes")
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// ZCASH_LATEST_BLOCK_TXS = Gauge("zcash_latest_block_txs", "Number of transactions in latest block")
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// ZCASH_CHAINFORK_LOCATION = Gauge("zcash_chainfork_location", "Block height of chain fork")
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// ZCASH_CHAINFORK_SIZE = Gauge("zcash_chainfork_size", "Length of chain fork")
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// ZCASH_TOTAL_BYTES_RECV = Gauge("zcash_total_bytes_recv", "Total bytes received")
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// ZCASH_TOTAL_BYTES_SENT = Gauge("zcash_total_bytes_sent", "Total bytes sent")
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// ZCASH_LATEST_BLOCK_INPUTS = Gauge("zcash_latest_block_inputs", "Number of inputs in transactions of latest block")
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// ZCASH_LATEST_BLOCK_OUTPUTS = Gauge("zcash_latest_block_outputs", "Number of outputs in transactions of latest block")
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// ZCASH_LATEST_BLOCK_JOINSPLITS = Gauge("zcash_latest_block_joinsplits", "Number of joinsplits in transactions of latest block")
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// ZCASH_NUM_TRANSPARENT_TX = Gauge("zcash_num_transparent_tx", "Number of fully transparent transactions in latest block")
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// ZCASH_NUM_SHIELDED_TX = Gauge("zcash_num_shielded_tx", "Number of fully shielded transactions in latest block")
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// ZCASH_NUM_MIXED_TX = Gauge("zcash_num_mixed_tx", "Number of mixed transactions in latest block")
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func init() {
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//Register metrics with prometheus
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prometheus.MustRegister(zcashdBlocks)
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prometheus.MustRegister(zcashdDifficulty)
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prometheus.MustRegister(zcashdSizeOnDisk)
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prometheus.MustRegister(zcashdVerificationProgress)
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prometheus.MustRegister(zcashdMemPoolSize)
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prometheus.MustRegister(zcashdMemPoolBytes)
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prometheus.MustRegister(zcashdMemPoolUsage)
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prometheus.MustRegister(zcashdWalletBalance)
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}
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package main
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import (
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"encoding/base64"
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"net/http"
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"strconv"
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"time"
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log "github.com/Sirupsen/logrus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/ybbus/jsonrpc"
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"github.com/zcash-hackworks/zcashd_exporter/version"
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"gopkg.in/alecthomas/kingpin.v2"
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)
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var (
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listenAddress = kingpin.Flag(
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"web.listen-address",
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"Address on which to expose metrics and web interface.",
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).Default(":9100").String()
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rpcHost = kingpin.Flag(
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"rpc.host",
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"Host address for RPC endpoint.",
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).Default("127.0.0.1").String()
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rpcPort = kingpin.Flag(
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"rpc.port",
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"Post for RPC endpoint",
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).Default("18232").String()
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rpcUser = kingpin.Flag(
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"rpc.user",
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"User for RPC endpoint auth.",
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).Default("zcashrpc").String()
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rpcPassword = kingpin.Flag(
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"rpc.password",
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"Password for RPC endpoint auth.",
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).Default("notsecure").String()
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)
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func main() {
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kingpin.HelpFlag.Short('h')
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kingpin.Parse()
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log.Infoln("Starting zcashd_exporter", version.Info())
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log.Infoln("Build context", version.BuildContext())
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http.Handle("/metrics", promhttp.Handler())
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte(`<html>
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<head><title>Zcashd Exporter</title></head>
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<body>
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<h1>Zcashd Exporter</h1>
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<p><a href="/metrics">Metrics</a></p>
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</body>
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</html>`))
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})
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go getBlockchainInfo()
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go getMemPoolInfo()
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go getWalletInfo()
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log.Infoln("Listening on", *listenAddress)
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if err := http.ListenAndServe(*listenAddress, nil); err != nil {
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log.Fatal(err)
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}
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}
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func getBlockchainInfo() {
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basicAuth := base64.StdEncoding.EncodeToString([]byte(*rpcUser + ":" + *rpcPassword))
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rpcClient := jsonrpc.NewClientWithOpts("http://"+*rpcHost+":"+*rpcPort,
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&jsonrpc.RPCClientOpts{
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CustomHeaders: map[string]string{
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"Authorization": "Basic " + basicAuth,
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}})
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var blockinfo *GetBlockchainInfo
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for {
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if err := rpcClient.CallFor(&blockinfo, "getblockchaininfo"); err != nil {
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log.Warnln("Error calling getblockchaininfo", err)
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} else {
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zcashdBlocks.Set(float64(blockinfo.Blocks))
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zcashdDifficulty.Set(blockinfo.Difficulty)
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zcashdVerificationProgress.Set(blockinfo.VerificationProgress)
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}
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time.Sleep(time.Duration(30) * time.Second)
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}
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}
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func getMemPoolInfo() {
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basicAuth := base64.StdEncoding.EncodeToString([]byte(*rpcUser + ":" + *rpcPassword))
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rpcClient := jsonrpc.NewClientWithOpts("http://"+*rpcHost+":"+*rpcPort,
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&jsonrpc.RPCClientOpts{
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CustomHeaders: map[string]string{
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"Authorization": "Basic " + basicAuth,
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}})
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var mempoolinfo *GetMemPoolInfo
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for {
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if err := rpcClient.CallFor(&mempoolinfo, "getmempoolinfo"); err != nil {
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log.Warnln("Error calling getmempoolinfo", err)
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} else {
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zcashdMemPoolSize.Set(float64(mempoolinfo.Size))
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zcashdMemPoolBytes.Set(mempoolinfo.Bytes)
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zcashdMemPoolUsage.Set(mempoolinfo.Usage)
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}
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time.Sleep(time.Duration(30) * time.Second)
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}
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}
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func getWalletInfo() {
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basicAuth := base64.StdEncoding.EncodeToString([]byte(*rpcUser + ":" + *rpcPassword))
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rpcClient := jsonrpc.NewClientWithOpts("http://"+*rpcHost+":"+*rpcPort,
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&jsonrpc.RPCClientOpts{
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CustomHeaders: map[string]string{
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"Authorization": "Basic " + basicAuth,
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}})
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var walletinfo *ZGetTotalBalance
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for {
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if err := rpcClient.CallFor(&walletinfo, "z_gettotalbalance"); err != nil {
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log.Warnln("Error calling z_gettotalbalance", err)
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} else {
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if t, err := strconv.ParseFloat(walletinfo.Transparent, 64); err == nil {
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zcashdWalletBalance.WithLabelValues("transparent").Set(t)
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}
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if p, err := strconv.ParseFloat(walletinfo.Private, 64); err == nil {
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zcashdWalletBalance.WithLabelValues("private").Set(p)
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}
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if total, err := strconv.ParseFloat(walletinfo.Total, 64); err == nil {
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zcashdWalletBalance.WithLabelValues("total").Set(total)
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}
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}
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time.Sleep(time.Duration(30) * time.Second)
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}
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}
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@ -0,0 +1,27 @@
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package main
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// GetBlockchainInfo return the zcashd rpc `getblockchaininfo` status
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// https://zcash-rpc.github.io/getblockchaininfo.html
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type GetBlockchainInfo struct {
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Chain string `json:"chain"`
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Blocks int `json:"blocks"`
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Difficulty float64 `json:"difficulty"`
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VerificationProgress float64 `json:"verificationprogress"`
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SizeOnDisk float64 `json:"size_on_disk"`
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}
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// GetMemPoolInfo return the zcashd rpc `getmempoolinfo`
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// https://zcash-rpc.github.io/getmempoolinfo.html
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type GetMemPoolInfo struct {
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Size float64 `json:"size"`
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Bytes float64 `json:"bytes"`
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Usage float64 `json:"usage"`
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}
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// ZGetTotalBalance return the node's wallet balances
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// https://zcash-rpc.github.io/z_gettotalbalance.html
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type ZGetTotalBalance struct {
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Transparent string `json:"transparent"`
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Private string `json:"private"`
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Total string `json:"total"`
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}
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@ -0,0 +1,23 @@
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package version
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import (
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"fmt"
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"runtime"
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)
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var (
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Version string
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Revision string
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Branch string
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BuildUser string
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BuildDate string
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GoVersion = runtime.Version()
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)
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func Info() string {
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return fmt.Sprintf("(version=%s, branch=%s, revision=%s)", Version, Branch, Revision)
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}
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func BuildContext() string {
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return fmt.Sprintf("(go=%s, user=%s, date=%s)", GoVersion, BuildUser, BuildDate)
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}
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