dd1f2c00fe
again with keys / values within the bolttx acting weird. it wasn't deleting utxos that had been spent by the ingested tx. it'd do the first 30 then stop. Deferred deletion and copied the serialized utxo. Not sure which of those fixed it. Maybe both.
369 lines
7.8 KiB
Go
369 lines
7.8 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"log"
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"os"
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"strconv"
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"strings"
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"github.com/btcsuite/btcd/chaincfg"
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"github.com/btcsuite/btcutil"
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"github.com/lightningnetwork/lnd/uspv"
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)
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/* this is a CLI shell for testing out LND. Right now it's only for uspv
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testing. It can send and receive coins.
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*/
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const (
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keyFileName = "testkey.hex"
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headerFileName = "headers.bin"
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dbFileName = "utxo.db"
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// this is my local testnet node, replace it with your own close by.
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// Random internet testnet nodes usually work but sometimes don't, so
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// maybe I should test against different versions out there.
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SPVHostAdr = "127.0.0.1:28333"
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)
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var (
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Params = &chaincfg.SegNetParams
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SCon uspv.SPVCon // global here for now
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)
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func shell() {
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fmt.Printf("LND spv shell v0.0\n")
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fmt.Printf("Not yet well integrated, but soon.\n")
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// read key file (generate if not found)
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rootPriv, err := uspv.ReadKeyFileToECPriv(keyFileName, Params)
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if err != nil {
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log.Fatal(err)
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}
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// setup TxStore first (before spvcon)
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Store := uspv.NewTxStore(rootPriv, Params)
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// setup spvCon
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SCon, err = uspv.OpenSPV(
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SPVHostAdr, headerFileName, dbFileName, &Store, true, false, Params)
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if err != nil {
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log.Fatal(err)
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}
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tip, err := SCon.TS.GetDBSyncHeight() // ask for sync height
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if err != nil {
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log.Fatal(err)
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}
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if tip == 0 { // DB has never been used, set to birthday
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tip = 21900 // hardcoded; later base on keyfile date?
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err = SCon.TS.SetDBSyncHeight(tip)
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if err != nil {
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log.Fatal(err)
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}
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}
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// once we're connected, initiate headers sync
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err = SCon.AskForHeaders()
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if err != nil {
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log.Fatal(err)
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}
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// main shell loop
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for {
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// setup reader with max 4K input chars
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reader := bufio.NewReaderSize(os.Stdin, 4000)
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fmt.Printf("LND# ") // prompt
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msg, err := reader.ReadString('\n') // input finishes on enter key
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if err != nil {
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log.Fatal(err)
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}
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cmdslice := strings.Fields(msg) // chop input up on whitespace
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if len(cmdslice) < 1 {
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continue // no input, just prompt again
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}
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fmt.Printf("entered command: %s\n", msg) // immediate feedback
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err = Shellparse(cmdslice)
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if err != nil { // only error should be user exit
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log.Fatal(err)
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}
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}
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return
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}
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// Shellparse parses user input and hands it to command functions if matching
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func Shellparse(cmdslice []string) error {
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var err error
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var args []string
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cmd := cmdslice[0]
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if len(cmdslice) > 1 {
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args = cmdslice[1:]
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}
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if cmd == "exit" || cmd == "quit" {
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return fmt.Errorf("User exit")
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}
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// help gives you really terse help. Just a list of commands.
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if cmd == "help" {
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err = Help(args)
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if err != nil {
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fmt.Printf("help error: %s\n", err)
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}
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return nil
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}
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// adr generates a new address and displays it
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if cmd == "adr" {
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err = Adr(args)
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if err != nil {
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fmt.Printf("adr error: %s\n", err)
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}
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return nil
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}
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// bal shows the current set of utxos, addresses and score
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if cmd == "bal" {
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err = Bal(args)
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if err != nil {
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fmt.Printf("bal error: %s\n", err)
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}
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return nil
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}
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// send sends coins to the address specified
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if cmd == "send" {
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err = Send(args)
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if err != nil {
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fmt.Printf("send error: %s\n", err)
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}
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return nil
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}
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if cmd == "fan" {
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err = Fan(args)
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if err != nil {
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fmt.Printf("fan error: %s\n", err)
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}
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return nil
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}
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if cmd == "txs" {
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err = Txs(args)
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if err != nil {
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fmt.Printf("txs error: %s\n", err)
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}
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return nil
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}
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if cmd == "blk" {
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err = Blk(args)
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if err != nil {
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fmt.Printf("blk error: %s\n", err)
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}
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return nil
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}
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fmt.Printf("Command not recognized. type help for command list.\n")
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return nil
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}
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func Txs(args []string) error {
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alltx, err := SCon.TS.GetAllTxs()
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if err != nil {
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return err
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}
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for i, tx := range alltx {
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fmt.Printf("tx %d %s\n", i, uspv.TxToString(tx))
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}
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return nil
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}
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func Blk(args []string) error {
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if SCon.RBytes == 0 {
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return fmt.Errorf("Can't check block, spv connection broken")
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}
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if len(args) == 0 {
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return fmt.Errorf("must specify height")
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}
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height, err := strconv.ParseInt(args[0], 10, 32)
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if err != nil {
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return err
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}
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// request most recent block just to test
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err = SCon.AskForOneBlock(int32(height))
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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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// Bal prints out your score.
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func Bal(args []string) error {
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if SCon.TS == nil {
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return fmt.Errorf("Can't get balance, spv connection broken")
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}
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fmt.Printf(" ----- Account Balance ----- \n")
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allUtxos, err := SCon.TS.GetAllUtxos()
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if err != nil {
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return err
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}
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var score int64
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for i, u := range allUtxos {
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fmt.Printf("\tutxo %d height %d %s key:%d amt %d",
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i, u.AtHeight, u.Op.String(), u.KeyIdx, u.Value)
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if u.IsWit {
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fmt.Printf(" WIT")
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}
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fmt.Printf("\n")
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score += u.Value
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}
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height, _ := SCon.TS.GetDBSyncHeight()
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for i, a := range SCon.TS.Adrs {
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wa, err := btcutil.NewAddressWitnessPubKeyHash(
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a.PkhAdr.ScriptAddress(), Params)
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if err != nil {
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return err
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}
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fmt.Printf("address %d %s OR %s\n", i, a.PkhAdr.String(), wa.String())
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}
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fmt.Printf("Total known utxos: %d\n", len(allUtxos))
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fmt.Printf("Total spendable coin: %d\n", score)
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fmt.Printf("DB sync height: %d\n", height)
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return nil
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}
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// Adr makes a new address.
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func Adr(args []string) error {
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// if there's an arg, make 10 adrs
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if len(args) > 0 {
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for i := 0; i < 10; i++ {
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_, err := SCon.TS.NewAdr()
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if err != nil {
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return err
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}
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}
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}
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if len(args) > 1 {
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for i := 0; i < 1000; i++ {
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_, err := SCon.TS.NewAdr()
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if err != nil {
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return err
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}
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}
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}
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// always make one
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a, err := SCon.TS.NewAdr()
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if err != nil {
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return err
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}
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fmt.Printf("made new address %s\n",
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a.String())
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return nil
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}
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// Fan generates a bunch of fanout. Only for testing, can be expensive.
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// syntax: fan numOutputs valOutputs witty
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func Fan(args []string) error {
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if len(args) < 3 {
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return fmt.Errorf("fan syntax: fan numOutputs valOutputs witty")
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}
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numOutputs, err := strconv.ParseInt(args[0], 10, 64)
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if err != nil {
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return err
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}
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valOutputs, err := strconv.ParseInt(args[1], 10, 64)
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if err != nil {
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return err
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}
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wittynum, err := strconv.ParseInt(args[2], 10, 64)
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if err != nil {
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return err
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}
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adrs := make([]btcutil.Address, numOutputs)
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amts := make([]int64, numOutputs)
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oAdr, err := SCon.TS.NewAdr()
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if err != nil {
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return err
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}
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for i := int64(0); i < numOutputs; i++ {
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if wittynum != 0 {
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wAdr, err := btcutil.NewAddressWitnessPubKeyHash(
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oAdr.ScriptAddress(), SCon.TS.Param)
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if err != nil {
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return err
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}
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adrs[i] = wAdr
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} else {
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adrs[i] = oAdr
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}
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amts[i] = valOutputs + i
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}
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return SCon.SendCoins(adrs, amts)
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}
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// Send sends coins.
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func Send(args []string) error {
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if SCon.RBytes == 0 {
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return fmt.Errorf("Can't send, spv connection broken")
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}
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// get all utxos from the database
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allUtxos, err := SCon.TS.GetAllUtxos()
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if err != nil {
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return err
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}
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var score int64 // score is the sum of all utxo amounts. highest score wins.
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// add all the utxos up to get the score
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for _, u := range allUtxos {
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score += u.Value
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}
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// score is 0, cannot unlock 'send coins' acheivement
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if score == 0 {
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return fmt.Errorf("You don't have money. Work hard.")
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}
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// need args, fail
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if len(args) < 2 {
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return fmt.Errorf("need args: ssend amount(satoshis) address wit?")
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}
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amt, err := strconv.ParseInt(args[0], 10, 64)
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if err != nil {
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return err
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}
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if amt < 1000 {
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return fmt.Errorf("can't send %d, too small", amt)
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}
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adr, err := btcutil.DecodeAddress(args[1], SCon.TS.Param)
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if err != nil {
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fmt.Printf("error parsing %s as address\t", args[1])
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return err
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}
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fmt.Printf("send %d to address: %s \n",
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amt, adr.String())
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var adrs []btcutil.Address
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var amts []int64
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adrs = append(adrs, adr)
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amts = append(amts, amt)
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err = SCon.SendCoins(adrs, amts)
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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 Help(args []string) error {
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fmt.Printf("commands:\n")
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fmt.Printf("help adr bal send exit\n")
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return nil
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}
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