89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
package p
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import (
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"net/http"
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"strings"
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"sync"
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"cloud.google.com/go/bigtable"
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)
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// shared code for the various functions, primarily response formatting.
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// client is a global Bigtable client, to avoid initializing a new client for
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// every request.
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var client *bigtable.Client
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var clientOnce sync.Once
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var columnFamilies = []string{"MessagePublication", "Signatures", "VAAState", "QuorumState"}
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type (
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Summary struct {
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EmitterChain string
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EmitterAddress string
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Sequence string
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InitiatingTxID string
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Payload []byte
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GuardiansThatSigned []string
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SignedVAABytes []byte
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QuorumTime string
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}
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)
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func makeSummary(row bigtable.Row) *Summary {
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summary := &Summary{}
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if _, ok := row[columnFamilies[0]]; ok {
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for _, item := range row[columnFamilies[0]] {
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switch item.Column {
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case "MessagePublication:InitiatingTxID":
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summary.InitiatingTxID = string(item.Value)
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case "MessagePublication:Payload":
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summary.Payload = item.Value
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case "MessagePublication:EmitterChain":
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summary.EmitterChain = string(item.Value)
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case "MessagePublication:EmitterAddress":
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summary.EmitterAddress = string(item.Value)
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case "MessagePublication:Sequence":
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summary.Sequence = string(item.Value)
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}
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}
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}
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if _, ok := row[columnFamilies[1]]; ok {
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for _, item := range row[columnFamilies[1]] {
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column := strings.Split(item.Column, ":")
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summary.GuardiansThatSigned = append(summary.GuardiansThatSigned, column[1])
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}
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}
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if _, ok := row[columnFamilies[3]]; ok {
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for _, item := range row[columnFamilies[3]] {
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if item.Column == "QuorumState:SignedVAA" {
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summary.SignedVAABytes = item.Value
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summary.QuorumTime = item.Timestamp.Time().String()
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}
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}
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}
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return summary
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}
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var mux = newMux()
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// Entry is the cloud function entry point
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func Entry(w http.ResponseWriter, r *http.Request) {
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mux.ServeHTTP(w, r)
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}
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func newMux() *http.ServeMux {
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mux := http.NewServeMux()
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mux.HandleFunc("/totals", Totals)
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mux.HandleFunc("/recent", Recent)
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mux.HandleFunc("/transaction", Transaction)
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mux.HandleFunc("/readrow", ReadRow)
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mux.HandleFunc("/readyz", func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) })
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return mux
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}
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