90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
package main
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import (
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"crypto/ed25519"
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"crypto/rand"
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"errors"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"github.com/decred/dcrd/chaincfg/v3"
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"github.com/decred/dcrd/rpcclient"
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"github.com/jholdstock/dcrvsp/database"
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)
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const listen = ":3000"
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type Config struct {
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signKey ed25519.PrivateKey
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pubKey ed25519.PublicKey
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poolFees float64
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netParams *chaincfg.Params
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dbFile string
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}
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var cfg Config
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// Database with stubbed methods
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var db *database.VspDatabase
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// RPC clients
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var nodeConnection *rpcclient.Client
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var walletConnection *WalletClient
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func initConfig() (*Config, error) {
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homePath := "~/.dcrvsp"
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seedPath := filepath.Join(homePath, "sign.seed")
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seed, err := ioutil.ReadFile(seedPath)
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var signKey ed25519.PrivateKey
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if err != nil {
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if !os.IsNotExist(err) {
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return nil, errors.New("seedPath does not exist")
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}
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_, signKey, err = ed25519.GenerateKey(rand.Reader)
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if err != nil {
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return nil, fmt.Errorf("failed to generate signing key: %v", err)
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}
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err = ioutil.WriteFile(seedPath, signKey.Seed(), 0400)
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if err != nil {
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return nil, fmt.Errorf("failed to save signing key: %v", err)
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}
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} else {
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signKey = ed25519.NewKeyFromSeed(seed)
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}
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pubKey, ok := signKey.Public().(ed25519.PublicKey)
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if !ok {
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return nil, fmt.Errorf("failed to cast signing key: %T", pubKey)
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}
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return &Config{
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netParams: chaincfg.TestNet3Params(),
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dbFile: filepath.Join(homePath, "database.db"),
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pubKey: pubKey,
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poolFees: 0.1,
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signKey: signKey,
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}, nil
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}
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func main() {
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cfg, err := initConfig()
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if err != nil {
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log.Fatalf("config error: %v", err)
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}
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db, err = database.New(cfg.dbFile)
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if err != nil {
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log.Fatalf("database error: %v", err)
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}
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// Start HTTP server
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log.Printf("Listening on %s", listen)
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log.Print(newRouter().Run(listen))
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}
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