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main.go
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main.go
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package main
import (
"context"
"crypto/tls"
"crypto/x509"
"encoding/hex"
"errors"
"fmt"
"os"
"path/filepath"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
pb "decred.org/dcrwallet/v4/rpc/walletrpc"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/protobuf/encoding/prototext"
"github.com/decred/dcrd/dcrutil/v4"
)
var (
certificateFile = filepath.Join(dcrutil.AppDataDir("dcrwallet", false), "rpc.cert")
walletClientCertFile = "client.pem" // must be part of ~/.dcrwallet/clients.pem
walletClientKeyFile = "client-key.pem"
)
func main() {
if err := run(); err != nil {
fmt.Println(err)
os.Exit(1)
}
os.Exit(0)
}
func run() error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
serverCAs := x509.NewCertPool()
serverCert, err := os.ReadFile(certificateFile)
if err != nil {
return err
}
if !serverCAs.AppendCertsFromPEM(serverCert) {
return fmt.Errorf("no certificates found in %s\n", certificateFile)
}
keypair, err := tls.LoadX509KeyPair(walletClientCertFile, walletClientKeyFile)
if err != nil {
return err
}
creds := credentials.NewTLS(&tls.Config{
Certificates: []tls.Certificate{keypair},
RootCAs: serverCAs,
})
conn, err := grpc.Dial("localhost:19111", grpc.WithTransportCredentials(creds))
if err != nil {
return err
}
defer conn.Close()
c := pb.NewWalletServiceClient(conn)
balanceRequest := &pb.BalanceRequest{
AccountNumber: 0,
RequiredConfirmations: 1,
}
balanceResponse, err := c.Balance(ctx, balanceRequest)
if err != nil {
return err
}
fmt.Println("Spendable balance: ", dcrutil.Amount(balanceResponse.Spendable))
decodedTx := func(tx string) error {
rawTx, _ := hex.DecodeString(tx)
dmClient := pb.NewDecodeMessageServiceClient(conn)
decodeRequest := &pb.DecodeRawTransactionRequest{
SerializedTransaction: rawTx,
}
decodeResponse, err := dmClient.DecodeRawTransaction(ctx, decodeRequest)
if err != nil {
return err
}
// tj, _ := json.MarshalIndent(decodeResponse.Transaction, "", " ")
// fmt.Println(string(tj))
fmt.Println(prototext.MarshalOptions{Multiline: true}.Format(decodeResponse.Transaction))
return nil
}
for _, tx := range txns {
if err := decodedTx(tx); err != nil {
return err
}
}
wsClient := pb.NewWalletServiceClient(conn)
for _, script := range importScripts {
// NOTE: These scripts will forever be imported into your
// testing wallet.
scriptB, err := hex.DecodeString(script)
if err != nil {
return err
}
importScriptRequest := &pb.ImportScriptRequest{
Script: scriptB,
}
_, err = wsClient.ImportScript(ctx, importScriptRequest)
if err != nil {
return err
}
}
const acctName = "testing_acct"
var (
seed [32]byte
acctPass = []byte("pass123")
acctN uint32
)
seed[31] = 1
// Import a voting account from seed.
importVAFSRequest := &pb.ImportVotingAccountFromSeedRequest{
Seed: seed[:],
Name: acctName,
Passphrase: acctPass,
}
importVAFSReqResp, err := wsClient.ImportVotingAccountFromSeed(ctx, importVAFSRequest)
if err != nil {
if status.Code(err) != codes.AlreadyExists {
return err
}
acctsResp, err := wsClient.Accounts(ctx, &pb.AccountsRequest{})
if err != nil {
return err
}
var found bool
for _, acct := range acctsResp.Accounts {
if acct.AccountName == acctName {
found = true
acctN = acct.AccountNumber
}
}
if !found {
return errors.New("testing account not found")
}
} else {
acctN = importVAFSReqResp.Account
}
fmt.Println("Testing account number is", acctN)
fmt.Println()
// Add requests for addresses from the voting account which should fail.
nextAddrs = append(nextAddrs,
nextAddr{name: "imported voting account external", acct: acctN, branch: 0, wantErr: true},
nextAddr{name: "imported voting account internal", acct: acctN, branch: 1, wantErr: true})
for _, addr := range nextAddrs {
// Add an owned address to validated addresses.
nextAddrReq := &pb.NextAddressRequest{
Account: addr.acct,
Kind: addr.branch,
GapPolicy: pb.NextAddressRequest_GAP_POLICY_IGNORE,
}
nextAddressResp, err := wsClient.NextAddress(context.Background(), nextAddrReq)
if addr.wantErr {
if err != nil {
continue
}
return fmt.Errorf("nextAddrs: expected error for %s", addr.name)
}
if err != nil {
return err
}
validateAddrs = append(validateAddrs, nextAddressResp.Address)
}
fmt.Println("ValidateAddress...")
fmt.Println()
for _, addr := range validateAddrs {
validateAddrRequest := &pb.ValidateAddressRequest{
Address: addr,
}
validateAddrResp, err := wsClient.ValidateAddress(ctx, validateAddrRequest)
if err != nil {
return err
}
fmt.Println(validateAddrResp.ScriptType)
fmt.Println(prototext.MarshalOptions{Multiline: true}.Format(validateAddrResp))
}
fmt.Println("Address...")
fmt.Println()
for _, path := range addrPaths {
addrRequest := &pb.AddressRequest{
Account: path.acct,
Kind: pb.AddressRequest_Kind(path.branch),
Index: path.idx,
}
fmt.Printf("Name: %s\n", path.name)
addrResp, err := wsClient.Address(context.Background(), addrRequest)
if path.wantErr {
if err != nil {
fmt.Println(err)
continue
}
return fmt.Errorf("Address: expected error for %v", path.name)
}
if err != nil {
return err
}
fmt.Println(prototext.MarshalOptions{Multiline: true}.Format(addrResp))
}
_, err = wsClient.UnlockAccount(ctx, &pb.UnlockAccountRequest{Passphrase: acctPass, AccountNumber: acctN})
if err != nil {
return err
}
pKey, err := wsClient.DumpPrivateKey(ctx, &pb.DumpPrivateKeyRequest{Address: importedAcctAddr})
if err != nil {
return err
}
fmt.Println()
fmt.Println("Private key is", pKey.PrivateKeyWif)
return nil
}
var txns = []string{
// vote (stakegen)
"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",
// 1 pubkeyhash and 1 pubkey output
"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",
// treasurebase with a tadd
"03000000010000000000000000000000000000000000000000000000000000000000000000ffffffff00ffffffff02fdb3480000000000000001c1000000000000000000000e6a0c56720c00093c28052bb4dd16000000000000000001fdb348000000000000000000ffffffff00",
// treasuryspend with a tgen
"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",
// coinbase (1 nulldata and 1 pubkeyhash)
"03000000010000000000000000000000000000000000000000000000000000000000000000ffffffff00ffffffff02000000000000000000000e6a0c55720c00e88a9c9e5c49d15b8021b5010000000000001976a914d251921c9857791815e97750afcea48fbd30568a88ac000000000000000001f237b4010000000000000000ffffffff0800002f646372642f",
// legacy stakepool pool ticket (note that gRPC's DecodeRawTransaction calls the sstxcommitment/nulldata outputs stakesubmission instead)
"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",
// solo ticket
"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",
}
var importScripts = []string{
// TSPEND
"c376a914d17043c104a57393aa7353e1510e39eab811e3db88ac",
// 2 of 2 multisig
"522103d484eb60ad03549e731ae9045281f8ee14ff6ea11b697f32cde3d8a18992261b210342b0b9c0ecb53cb9761beb0d010bbf08b5049d2a4d3bea5d3a1d95eb664931cb52ae",
// NonStandard
"01",
}
var importedAcctAddr = "TsSAzyUaa2KSytEuu1hiGdeYJqu4om63ZQb" // Address at imported account/0/0
var validateAddrs = []string{
"TcpEWwGdCN3RCNAQUhBn8f2Xdko2JzcQSQs",
"TkKkYvSrnu8orwhtedcJGkD7guarvZUbUAtjr4iKqD9Y8pNEf8iHu", // PubKeyEcdsaSecp256k1V0
"Tsp18L8qTcjzigYXrD5GSdwDmhVYBpKmfUL", // PubKeyHashEcdsaSecp256k1V0
"TkKnVfd6EvzEYAqiELWstkASHgVyYH8JK3gNvAxUX79C9CrnsV8W6", // PubKeyEd25519V0
"TedZCnJ5uQ8z7VzKqdBhP1WP2RBYaaoCiUe", // PubKeyHashEd25519V0
"TkKpSQoKgxqfDPyXp3RTWk7ktTR69zn19vU1zHCdD18r9bMTvDKT3", // PubKeySchnorrSecp256k1V0
"TSs3jHQMbbZGPyftUh4cgaALzgDZhfXGtxn", // PubKeyHashSchnorrSecp256k1V0
"TcvVou7ooM4rJRWNeJYwehJ9fQq1HTc5pbK", // ScriptHashV0
// These are owned imported scripts.
"TcfdqCrK2fiFJBZnGj5N6xs6rMsbQBsJBYf", // TSPEND
"TcrzaAVMbFURm1PpukWru8yE2uBTjvQePoa", // 2 of 2 multisig
"TckSpBht36nMZgnDDjv7xaHUrgCyJpxQiLA", // NonStandard
importedAcctAddr,
}
type nextAddr struct {
name string
acct uint32
branch pb.NextAddressRequest_Kind
wantErr bool
}
var nextAddrs = []nextAddr{{
name: "default external",
}}
var addrPaths = []struct {
name string
acct, branch, idx uint32
wantErr bool
}{{
name: "all zeros",
}, {
name: "internal branch",
branch: 1,
}, {
name: "bad branch",
branch: 2,
wantErr: true,
}}