// handleNotifyNewTXs implements the notifynewtxs command extension for
// websocket connections.
func handleNotifyNewTXs(s *rpcServer, cmd btcjson.Cmd, wallet walletChan) error {
id := cmd.Id()
reply := &btcjson.Reply{Id: &id}
notifyCmd, ok := cmd.(*btcws.NotifyNewTXsCmd)
if !ok {
return btcjson.ErrInternal
}
for _, addr := range notifyCmd.Addresses {
addr, err := btcutil.DecodeAddr(addr)
if err != nil {
return fmt.Errorf("cannot decode address: %v", err)
}
// TODO(jrick) Notifing for non-P2PKH addresses is currently
// unsuported.
if _, ok := addr.(*btcutil.AddressPubKeyHash); !ok {
return fmt.Errorf("address is not P2PKH: %v", addr.EncodeAddress())
}
s.ws.AddTxRequest(wallet, addr.EncodeAddress())
}
mreply, _ := json.Marshal(reply)
wallet <- mreply
return nil
}
// DumpPrivKey handles a dumpprivkey request with the private key
// for a single address, or an appropiate error if the wallet
// is locked.
func DumpPrivKey(icmd btcjson.Cmd) (interface{}, *btcjson.Error) {
// Type assert icmd to access parameters.
cmd, ok := icmd.(*btcjson.DumpPrivKeyCmd)
if !ok {
return nil, &btcjson.ErrInternal
}
addr, err := btcutil.DecodeAddr(cmd.Address)
if err != nil {
return nil, &btcjson.ErrInvalidAddressOrKey
}
switch key, err := accountstore.DumpWIFPrivateKey(addr); err {
case nil:
// Key was found.
return key, nil
case wallet.ErrWalletLocked:
// Address was found, but the private key isn't
// accessible.
return nil, &btcjson.ErrWalletUnlockNeeded
default: // all other non-nil errors
e := btcjson.Error{
Code: btcjson.ErrWallet.Code,
Message: err.Error(),
}
return nil, &e
}
}
// handleNotifyNewTXs implements the notifynewtxs command extension for
// websocket connections.
func handleNotifyNewTXs(s *rpcServer, icmd btcjson.Cmd, c handlerChans) (interface{}, *btcjson.Error) {
cmd, ok := icmd.(*btcws.NotifyNewTXsCmd)
if !ok {
return nil, &btcjson.ErrInternal
}
for _, addrStr := range cmd.Addresses {
addr, err := btcutil.DecodeAddr(addrStr)
if err != nil {
e := btcjson.Error{
Code: btcjson.ErrInvalidAddressOrKey.Code,
Message: fmt.Sprintf("Invalid address or key: %v", addrStr),
}
return nil, &e
}
// TODO(jrick) Notifing for non-P2PKH addresses is currently
// unsuported.
if _, ok := addr.(*btcutil.AddressPubKeyHash); !ok {
e := btcjson.Error{
Code: btcjson.ErrInvalidAddressOrKey.Code,
Message: fmt.Sprintf("Invalid address or key: %v", addr.EncodeAddress()),
}
return nil, &e
}
s.ws.AddTxRequest(c.n, addr.EncodeAddress())
}
return nil, nil
}
// ListAddressTransactions handles a listaddresstransactions request by
// returning an array of maps with details of spent and received wallet
// transactions. The form of the reply is identical to listtransactions,
// but the array elements are limited to transaction details which are
// about the addresess included in the request.
func ListAddressTransactions(icmd btcjson.Cmd) (interface{}, *btcjson.Error) {
// Type assert icmd to access parameters.
cmd, ok := icmd.(*btcws.ListAddressTransactionsCmd)
if !ok {
return nil, &btcjson.ErrInternal
}
a, err := accountstore.Account(cmd.Account)
switch err {
case nil:
break
case ErrAcctNotExist:
return nil, &btcjson.ErrWalletInvalidAccountName
default: // all other non-nil errors
e := btcjson.Error{
Code: btcjson.ErrWallet.Code,
Message: err.Error(),
}
return nil, &e
}
// Decode addresses.
pkHashMap := make(map[string]struct{})
for _, addrStr := range cmd.Addresses {
addr, err := btcutil.DecodeAddr(addrStr)
if err != nil {
return nil, &btcjson.ErrInvalidAddressOrKey
}
apkh, ok := addr.(*btcutil.AddressPubKeyHash)
if !ok || apkh.Net() != cfg.Net() {
return nil, &btcjson.ErrInvalidAddressOrKey
}
pkHashMap[string(addr.ScriptAddress())] = struct{}{}
}
txList, err := a.ListAddressTransactions(pkHashMap)
if err != nil {
e := btcjson.Error{
Code: btcjson.ErrWallet.Code,
Message: err.Error(),
}
return nil, &e
}
return txList, nil
}
// GetAccount handles a getaccount request by returning the account name
// associated with a single address.
func GetAccount(icmd btcjson.Cmd) (interface{}, *btcjson.Error) {
// Type assert icmd to access parameters.
cmd, ok := icmd.(*btcjson.GetAccountCmd)
if !ok {
return nil, &btcjson.ErrInternal
}
// Is address valid?
addr, err := btcutil.DecodeAddr(cmd.Address)
if err != nil {
return nil, &btcjson.ErrInvalidAddressOrKey
}
var net btcwire.BitcoinNet
switch a := addr.(type) {
case *btcutil.AddressPubKeyHash:
net = a.Net()
case *btcutil.AddressScriptHash:
net = a.Net()
default:
return nil, &btcjson.ErrInvalidAddressOrKey
}
if net != cfg.Net() {
return nil, &btcjson.ErrInvalidAddressOrKey
}
// Look up account which holds this address.
aname, err := LookupAccountByAddress(cmd.Address)
if err == ErrNotFound {
e := btcjson.Error{
Code: btcjson.ErrInvalidAddressOrKey.Code,
Message: "Address not found in wallet",
}
return nil, &e
}
return aname, nil
}
// GetAddressBalance handles a getaddressbalance extension request by
// returning the current balance (sum of unspent transaction output amounts)
// for a single address.
func GetAddressBalance(icmd btcjson.Cmd) (interface{}, *btcjson.Error) {
// Type assert icmd to access parameters.
cmd, ok := icmd.(*btcws.GetAddressBalanceCmd)
if !ok {
return nil, &btcjson.ErrInternal
}
// Is address valid?
addr, err := btcutil.DecodeAddr(cmd.Address)
if err != nil {
return nil, &btcjson.ErrInvalidAddressOrKey
}
apkh, ok := addr.(*btcutil.AddressPubKeyHash)
if !ok || apkh.Net() != cfg.Net() {
return nil, &btcjson.ErrInvalidAddressOrKey
}
// Look up account which holds this address.
aname, err := LookupAccountByAddress(cmd.Address)
if err == ErrNotFound {
e := btcjson.Error{
Code: btcjson.ErrInvalidAddressOrKey.Code,
Message: "Address not found in wallet",
}
return nil, &e
}
// Get the account which holds the address in the request.
// This should not fail, so if it does, return an internal
// error to the frontend.
a, err := accountstore.Account(aname)
if err != nil {
return nil, &btcjson.ErrInternal
}
bal := a.CalculateAddressBalance(apkh, int(cmd.Minconf))
return bal, nil
}
func TestAddresses(t *testing.T) {
tests := []struct {
name string
addr string
valid bool
canDecode bool
result btcutil.Address
f func() (btcutil.Address, error)
net btcwire.BitcoinNet
}{
// Positive P2PKH tests.
{
name: "mainnet p2pkh",
addr: "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX",
valid: true,
canDecode: true,
result: btcutil.TstAddressPubKeyHash(
[ripemd160.Size]byte{
0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc,
0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84},
btcwire.MainNet),
f: func() (btcutil.Address, error) {
pkHash := []byte{
0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc,
0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84}
return btcutil.NewAddressPubKeyHash(pkHash, btcwire.MainNet)
},
net: btcwire.MainNet,
},
{
name: "mainnet p2pkh 2",
addr: "12MzCDwodF9G1e7jfwLXfR164RNtx4BRVG",
valid: true,
canDecode: true,
result: btcutil.TstAddressPubKeyHash(
[ripemd160.Size]byte{
0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4,
0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa},
btcwire.MainNet),
f: func() (btcutil.Address, error) {
pkHash := []byte{
0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4,
0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa}
return btcutil.NewAddressPubKeyHash(pkHash, btcwire.MainNet)
},
net: btcwire.MainNet,
},
{
name: "testnet p2pkh",
addr: "mrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz",
valid: true,
canDecode: true,
result: btcutil.TstAddressPubKeyHash(
[ripemd160.Size]byte{
0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83,
0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f},
btcwire.TestNet3),
f: func() (btcutil.Address, error) {
pkHash := []byte{
0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83,
0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f}
return btcutil.NewAddressPubKeyHash(pkHash, btcwire.TestNet3)
},
net: btcwire.TestNet3,
},
// Negative P2PKH tests.
{
name: "p2pkh wrong byte identifier/net",
addr: "MrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz",
valid: false,
canDecode: true,
f: func() (btcutil.Address, error) {
pkHash := []byte{
0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83,
0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f}
return btcutil.NewAddressPubKeyHash(pkHash, btcwire.TestNet)
},
},
{
name: "p2pkh wrong hash length",
addr: "",
valid: false,
canDecode: true,
f: func() (btcutil.Address, error) {
pkHash := []byte{
0x00, 0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b,
0xf4, 0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad,
0xaa}
return btcutil.NewAddressPubKeyHash(pkHash, btcwire.MainNet)
},
},
{
name: "p2pkh bad checksum",
addr: "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gY",
valid: false,
canDecode: true,
},
// Positive P2SH tests.
{
// Taken from transactions:
// output: 3c9018e8d5615c306d72397f8f5eef44308c98fb576a88e030c25456b4f3a7ac
// input: 837dea37ddc8b1e3ce646f1a656e79bbd8cc7f558ac56a169626d649ebe2a3ba.
name: "mainnet p2sh",
addr: "3QJmV3qfvL9SuYo34YihAf3sRCW3qSinyC",
valid: true,
canDecode: true,
result: btcutil.TstAddressScriptHash(
[ripemd160.Size]byte{
0xf8, 0x15, 0xb0, 0x36, 0xd9, 0xbb, 0xbc, 0xe5, 0xe9, 0xf2,
0xa0, 0x0a, 0xbd, 0x1b, 0xf3, 0xdc, 0x91, 0xe9, 0x55, 0x10},
btcwire.MainNet),
f: func() (btcutil.Address, error) {
script := []byte{
0x52, 0x41, 0x04, 0x91, 0xbb, 0xa2, 0x51, 0x09, 0x12, 0xa5,
0xbd, 0x37, 0xda, 0x1f, 0xb5, 0xb1, 0x67, 0x30, 0x10, 0xe4,
0x3d, 0x2c, 0x6d, 0x81, 0x2c, 0x51, 0x4e, 0x91, 0xbf, 0xa9,
0xf2, 0xeb, 0x12, 0x9e, 0x1c, 0x18, 0x33, 0x29, 0xdb, 0x55,
0xbd, 0x86, 0x8e, 0x20, 0x9a, 0xac, 0x2f, 0xbc, 0x02, 0xcb,
0x33, 0xd9, 0x8f, 0xe7, 0x4b, 0xf2, 0x3f, 0x0c, 0x23, 0x5d,
0x61, 0x26, 0xb1, 0xd8, 0x33, 0x4f, 0x86, 0x41, 0x04, 0x86,
0x5c, 0x40, 0x29, 0x3a, 0x68, 0x0c, 0xb9, 0xc0, 0x20, 0xe7,
0xb1, 0xe1, 0x06, 0xd8, 0xc1, 0x91, 0x6d, 0x3c, 0xef, 0x99,
0xaa, 0x43, 0x1a, 0x56, 0xd2, 0x53, 0xe6, 0x92, 0x56, 0xda,
0xc0, 0x9e, 0xf1, 0x22, 0xb1, 0xa9, 0x86, 0x81, 0x8a, 0x7c,
0xb6, 0x24, 0x53, 0x2f, 0x06, 0x2c, 0x1d, 0x1f, 0x87, 0x22,
0x08, 0x48, 0x61, 0xc5, 0xc3, 0x29, 0x1c, 0xcf, 0xfe, 0xf4,
0xec, 0x68, 0x74, 0x41, 0x04, 0x8d, 0x24, 0x55, 0xd2, 0x40,
0x3e, 0x08, 0x70, 0x8f, 0xc1, 0xf5, 0x56, 0x00, 0x2f, 0x1b,
0x6c, 0xd8, 0x3f, 0x99, 0x2d, 0x08, 0x50, 0x97, 0xf9, 0x97,
0x4a, 0xb0, 0x8a, 0x28, 0x83, 0x8f, 0x07, 0x89, 0x6f, 0xba,
0xb0, 0x8f, 0x39, 0x49, 0x5e, 0x15, 0xfa, 0x6f, 0xad, 0x6e,
0xdb, 0xfb, 0x1e, 0x75, 0x4e, 0x35, 0xfa, 0x1c, 0x78, 0x44,
0xc4, 0x1f, 0x32, 0x2a, 0x18, 0x63, 0xd4, 0x62, 0x13, 0x53,
0xae}
return btcutil.NewAddressScriptHash(script, btcwire.MainNet)
},
net: btcwire.MainNet,
},
{
// Taken from transactions:
// output: b0539a45de13b3e0403909b8bd1a555b8cbe45fd4e3f3fda76f3a5f52835c29d
// input: (not yet redeemed at time test was written)
name: "mainnet p2sh 2",
addr: "3NukJ6fYZJ5Kk8bPjycAnruZkE5Q7UW7i8",
valid: true,
canDecode: true,
result: btcutil.TstAddressScriptHash(
[ripemd160.Size]byte{
0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37,
0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4},
btcwire.MainNet),
f: func() (btcutil.Address, error) {
hash := []byte{
0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37,
0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4}
return btcutil.NewAddressScriptHashFromHash(hash, btcwire.MainNet)
},
net: btcwire.MainNet,
},
{
// Taken from bitcoind base58_keys_valid.
name: "testnet p2sh",
addr: "2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n",
valid: true,
canDecode: true,
result: btcutil.TstAddressScriptHash(
[ripemd160.Size]byte{
0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e,
0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a},
btcwire.TestNet3),
f: func() (btcutil.Address, error) {
hash := []byte{
0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e,
0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a}
return btcutil.NewAddressScriptHashFromHash(hash, btcwire.TestNet3)
},
net: btcwire.TestNet3,
},
// Negative P2SH tests.
{
name: "p2sh wrong hash length",
addr: "",
valid: false,
canDecode: true,
f: func() (btcutil.Address, error) {
hash := []byte{
0x00, 0xf8, 0x15, 0xb0, 0x36, 0xd9, 0xbb, 0xbc, 0xe5, 0xe9,
0xf2, 0xa0, 0x0a, 0xbd, 0x1b, 0xf3, 0xdc, 0x91, 0xe9, 0x55,
0x10}
return btcutil.NewAddressScriptHashFromHash(hash, btcwire.MainNet)
},
},
{
name: "p2sh wrong byte identifier/net",
addr: "0NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n",
valid: false,
canDecode: true,
f: func() (btcutil.Address, error) {
hash := []byte{
0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e,
0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a}
return btcutil.NewAddressScriptHashFromHash(hash, btcwire.TestNet)
},
},
// Positive P2PK tests.
{
name: "mainnet p2pk compressed (0x02)",
addr: "13CG6SJ3yHUXo4Cr2RY4THLLJrNFuG3gUg",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
0x52, 0xc6, 0xb4},
btcutil.PKFCompressed, btcwire.MainNet),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
0x52, 0xc6, 0xb4}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet)
},
net: btcwire.MainNet,
},
{
name: "mainnet p2pk compressed (0x03)",
addr: "15sHANNUBSh6nDp8XkDPmQcW6n3EFwmvE6",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
0xb1, 0x6e, 0x65},
btcutil.PKFCompressed, btcwire.MainNet),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
0xb1, 0x6e, 0x65}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet)
},
net: btcwire.MainNet,
},
{
name: "mainnet p2pk uncompressed (0x04)",
addr: "12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01, 0x6b,
0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6, 0x8a, 0x38,
0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca, 0xd7, 0xb1, 0x48, 0xa6,
0x90, 0x9a, 0x5c, 0xb2, 0xe0, 0xea, 0xdd, 0xfb, 0x84, 0xcc,
0xf9, 0x74, 0x44, 0x64, 0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b,
0x8b, 0x64, 0xf9, 0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43,
0xf6, 0x56, 0xb4, 0x12, 0xa3},
btcutil.PKFUncompressed, btcwire.MainNet),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01, 0x6b,
0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6, 0x8a, 0x38,
0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca, 0xd7, 0xb1, 0x48, 0xa6,
0x90, 0x9a, 0x5c, 0xb2, 0xe0, 0xea, 0xdd, 0xfb, 0x84, 0xcc,
0xf9, 0x74, 0x44, 0x64, 0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b,
0x8b, 0x64, 0xf9, 0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43,
0xf6, 0x56, 0xb4, 0x12, 0xa3}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet)
},
net: btcwire.MainNet,
},
{
name: "mainnet p2pk hybrid (0x06)",
addr: "1Ja5rs7XBZnK88EuLVcFqYGMEbBitzchmX",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd,
0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73,
0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c,
0x44, 0xd3, 0x3f, 0x45, 0x3e},
btcutil.PKFHybrid, btcwire.MainNet),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd,
0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73,
0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c,
0x44, 0xd3, 0x3f, 0x45, 0x3e}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet)
},
net: btcwire.MainNet,
},
{
name: "mainnet p2pk hybrid (0x07)",
addr: "1ExqMmf6yMxcBMzHjbj41wbqYuqoX6uBLG",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66,
0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71,
0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c,
0x1e, 0x09, 0x08, 0xef, 0x7b},
btcutil.PKFHybrid, btcwire.MainNet),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66,
0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71,
0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c,
0x1e, 0x09, 0x08, 0xef, 0x7b}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet)
},
net: btcwire.MainNet,
},
{
name: "testnet p2pk compressed (0x02)",
addr: "mhiDPVP2nJunaAgTjzWSHCYfAqxxrxzjmo",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
0x52, 0xc6, 0xb4},
btcutil.PKFCompressed, btcwire.TestNet3),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
0x52, 0xc6, 0xb4}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3)
},
net: btcwire.TestNet3,
},
{
name: "testnet p2pk compressed (0x03)",
addr: "mkPETRTSzU8MZLHkFKBmbKppxmdw9qT42t",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
0xb1, 0x6e, 0x65},
btcutil.PKFCompressed, btcwire.TestNet3),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
0xb1, 0x6e, 0x65}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3)
},
net: btcwire.TestNet3,
},
{
name: "testnet p2pk uncompressed (0x04)",
addr: "mh8YhPYEAYs3E7EVyKtB5xrcfMExkkdEMF",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01, 0x6b,
0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6, 0x8a, 0x38,
0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca, 0xd7, 0xb1, 0x48, 0xa6,
0x90, 0x9a, 0x5c, 0xb2, 0xe0, 0xea, 0xdd, 0xfb, 0x84, 0xcc,
0xf9, 0x74, 0x44, 0x64, 0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b,
0x8b, 0x64, 0xf9, 0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43,
0xf6, 0x56, 0xb4, 0x12, 0xa3},
btcutil.PKFUncompressed, btcwire.TestNet3),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01, 0x6b,
0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6, 0x8a, 0x38,
0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca, 0xd7, 0xb1, 0x48, 0xa6,
0x90, 0x9a, 0x5c, 0xb2, 0xe0, 0xea, 0xdd, 0xfb, 0x84, 0xcc,
0xf9, 0x74, 0x44, 0x64, 0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b,
0x8b, 0x64, 0xf9, 0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43,
0xf6, 0x56, 0xb4, 0x12, 0xa3}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3)
},
net: btcwire.TestNet3,
},
{
name: "testnet p2pk hybrid (0x06)",
addr: "my639vCVzbDZuEiX44adfTUg6anRomZLEP",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd,
0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73,
0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c,
0x44, 0xd3, 0x3f, 0x45, 0x3e},
btcutil.PKFHybrid, btcwire.TestNet3),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd,
0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73,
0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c,
0x44, 0xd3, 0x3f, 0x45, 0x3e}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3)
},
net: btcwire.TestNet3,
},
{
name: "testnet p2pk hybrid (0x07)",
addr: "muUnepk5nPPrxUTuTAhRqrpAQuSWS5fVii",
valid: true,
canDecode: false,
result: btcutil.TstAddressPubKey(
[]byte{
0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66,
0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71,
0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c,
0x1e, 0x09, 0x08, 0xef, 0x7b},
btcutil.PKFHybrid, btcwire.TestNet3),
f: func() (btcutil.Address, error) {
serializedPubKey := []byte{
0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66,
0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71,
0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c,
0x1e, 0x09, 0x08, 0xef, 0x7b}
return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3)
},
net: btcwire.TestNet3,
},
}
for _, test := range tests {
var decoded btcutil.Address
var err error
if test.canDecode {
// Decode addr and compare error against valid.
decoded, err = btcutil.DecodeAddr(test.addr)
if (err == nil) != test.valid {
t.Errorf("%v: decoding test failed", test.name)
return
}
} else {
// The address can't be decoded directly, so instead
// call the creation function.
decoded, err = test.f()
if (err == nil) != test.valid {
t.Errorf("%v: creation test failed", test.name)
return
}
}
// If decoding succeeded, encode again and compare against the original.
if err == nil {
encoded := decoded.EncodeAddress()
// Compare encoded addr against the original encoding.
if test.addr != encoded {
t.Errorf("%v: decoding and encoding produced different addressess: %v != %v",
test.name, test.addr, encoded)
return
}
// Perform type-specific calculations.
var saddr []byte
var net btcwire.BitcoinNet
switch d := decoded.(type) {
case *btcutil.AddressPubKeyHash:
saddr = btcutil.TstAddressSAddr(encoded)
// Net is not part of the Address interface and
// must be calculated here.
net = d.Net()
case *btcutil.AddressScriptHash:
saddr = btcutil.TstAddressSAddr(encoded)
// Net is not part of the Address interface and
// must be calculated here.
net = d.Net()
case *btcutil.AddressPubKey:
// Ignore the error here since the script
// address is checked below.
saddr, _ = hex.DecodeString(d.String())
// Net is not part of the Address interface and
// must be calculated here.
net = d.Net()
}
// Check script address.
if !bytes.Equal(saddr, decoded.ScriptAddress()) {
t.Errorf("%v: script addresses do not match:\n%x != \n%x",
test.name, saddr, decoded.ScriptAddress())
return
}
// Check networks. This check always succeeds for non-P2PKH and
// non-P2SH addresses as both nets will be Go's default zero value.
if net != test.net {
t.Errorf("%v: calculated network does not match expected",
test.name)
return
}
}
if !test.valid {
// If address is invalid, but a creation function exists,
// verify that it returns a nil addr and non-nil error.
if test.f != nil {
_, err := test.f()
if err == nil {
t.Errorf("%v: address is invalid but creating new address succeeded",
test.name)
return
}
}
continue
}
// Valid test, compare address created with f against expected result.
addr, err := test.f()
if err != nil {
t.Errorf("%v: address is valid but creating new address failed with error %v",
test.name, err)
return
}
if !reflect.DeepEqual(addr, test.result) {
t.Errorf("%v: created address does not match expected result",
test.name)
return
}
}
}
// handleCreateRawTransaction handles createrawtransaction commands.
func handleCreateRawTransaction(s *rpcServer, cmd btcjson.Cmd) (interface{}, error) {
c := cmd.(*btcjson.CreateRawTransactionCmd)
// Add all transaction inputs to a new transaction after performing
// some validty checks.
mtx := btcwire.NewMsgTx()
for _, input := range c.Inputs {
txHash, err := btcwire.NewShaHashFromStr(input.Txid)
if err != nil {
return nil, btcjson.ErrDecodeHexString
}
if input.Vout < 0 {
return nil, btcjson.Error{
Code: btcjson.ErrInvalidParameter.Code,
Message: "Invalid parameter, vout must be positive",
}
}
prevOut := btcwire.NewOutPoint(txHash, uint32(input.Vout))
txIn := btcwire.NewTxIn(prevOut, []byte{})
mtx.AddTxIn(txIn)
}
// Add all transaction outputs to the transaction after performing
// some validty checks.
for encodedAddr, amount := range c.Amounts {
// Ensure amount is in the valid range for monetary amounts.
if amount <= 0 || amount > btcutil.MaxSatoshi {
return nil, btcjson.Error{
Code: btcjson.ErrType.Code,
Message: "Invalid amount",
}
}
// Decode the provided address.
addr, err := btcutil.DecodeAddr(encodedAddr)
if err != nil {
return nil, btcjson.Error{
Code: btcjson.ErrInvalidAddressOrKey.Code,
Message: btcjson.ErrInvalidAddressOrKey.Message +
": " + err.Error(),
}
}
// Ensure the address is one of the supported types and that
// the network encoded with the address matches the network the
// server is currently on.
net := s.server.btcnet
switch addr := addr.(type) {
case *btcutil.AddressPubKeyHash:
net = addr.Net()
case *btcutil.AddressScriptHash:
net = addr.Net()
default:
return nil, btcjson.ErrInvalidAddressOrKey
}
if net != s.server.btcnet {
return nil, btcjson.Error{
Code: btcjson.ErrInvalidAddressOrKey.Code,
Message: fmt.Sprintf("%s: %q",
btcjson.ErrInvalidAddressOrKey.Message,
encodedAddr),
}
}
// Create a new script which pays to the provided address.
pkScript, err := btcscript.PayToAddrScript(addr)
if err != nil {
return nil, btcjson.Error{
Code: btcjson.ErrInternal.Code,
Message: err.Error(),
}
}
txOut := btcwire.NewTxOut(amount, pkScript)
mtx.AddTxOut(txOut)
}
// Return the serialized and hex-encoded transaction.
mtxHex, err := messageToHex(mtx)
if err != nil {
return nil, err
}
return mtxHex, nil
}
// txToPairs creates a raw transaction sending the amounts for each
// address/amount pair and fee to each address and the miner. minconf
// specifies the minimum number of confirmations required before an
// unspent output is eligible for spending. Leftover input funds not sent
// to addr or as a fee for the miner are sent to a newly generated
// address. If change is needed to return funds back to an owned
// address, changeUtxo will point to a unconfirmed (height = -1, zeroed
// block hash) Utxo. ErrInsufficientFunds is returned if there are not
// enough eligible unspent outputs to create the transaction.
func (a *Account) txToPairs(pairs map[string]int64, minconf int) (*CreatedTx, error) {
// Create a new transaction which will include all input scripts.
msgtx := btcwire.NewMsgTx()
// Calculate minimum amount needed for inputs.
var amt int64
for _, v := range pairs {
// Error out if any amount is negative.
if v <= 0 {
return nil, ErrNonPositiveAmount
}
amt += v
}
// outputs is a tx.Pair slice representing each output that is created
// by the transaction.
outputs := make([]tx.Pair, 0, len(pairs)+1)
// Add outputs to new tx.
for addrStr, amt := range pairs {
addr, err := btcutil.DecodeAddr(addrStr)
if err != nil {
return nil, fmt.Errorf("cannot decode address: %s", err)
}
// Add output to spend amt to addr.
pkScript, err := btcscript.PayToAddrScript(addr)
if err != nil {
return nil, fmt.Errorf("cannot create txout script: %s", err)
}
txout := btcwire.NewTxOut(int64(amt), pkScript)
msgtx.AddTxOut(txout)
// Create amount, address pair and add to outputs.
out := tx.Pair{
Amount: amt,
PubkeyHash: addr.ScriptAddress(),
}
outputs = append(outputs, out)
}
// Get current block's height and hash.
bs, err := GetCurBlock()
if err != nil {
return nil, err
}
// Make a copy of msgtx before any inputs are added. This will be
// used as a starting point when trying a fee and starting over with
// a higher fee if not enough was originally chosen.
txNoInputs := msgtx.Copy()
// These are nil/zeroed until a change address is needed, and reused
// again in case a change utxo has already been chosen.
var changeAddr *btcutil.AddressPubKeyHash
var btcspent int64
var selectedInputs []*tx.Utxo
var finalChangeUtxo *tx.Utxo
// Get the number of satoshis to increment fee by when searching for
// the minimum tx fee needed.
fee := int64(0)
for {
msgtx = txNoInputs.Copy()
// Select unspent outputs to be used in transaction based on the amount
// neededing to sent, and the current fee estimation.
inputs, btcin, err := selectInputs(a.UtxoStore, uint64(amt+fee),
minconf)
if err != nil {
return nil, err
}
// Check if there are leftover unspent outputs, and return coins back to
// a new address we own.
var changeUtxo *tx.Utxo
change := btcin - uint64(amt+fee)
if change > 0 {
// Create a new address to spend leftover outputs to.
// Get a new change address if one has not already been found.
if changeAddr == nil {
changeAddr, err = a.ChangeAddress(&bs, cfg.KeypoolSize)
if err != nil {
return nil, fmt.Errorf("failed to get next address: %s", err)
}
// Mark change address as belonging to this account.
MarkAddressForAccount(changeAddr.EncodeAddress(), a.Name())
}
// Spend change.
pkScript, err := btcscript.PayToAddrScript(changeAddr)
if err != nil {
return nil, fmt.Errorf("cannot create txout script: %s", err)
}
msgtx.AddTxOut(btcwire.NewTxOut(int64(change), pkScript))
changeUtxo = &tx.Utxo{
Amt: change,
Out: tx.OutPoint{
// Hash is unset (zeroed) here and must be filled in
// with the transaction hash of the complete
// transaction.
Index: uint32(len(pairs)),
},
Height: -1,
Subscript: pkScript,
}
copy(changeUtxo.AddrHash[:], changeAddr.ScriptAddress())
}
// Selected unspent outputs become new transaction's inputs.
for _, ip := range inputs {
msgtx.AddTxIn(btcwire.NewTxIn((*btcwire.OutPoint)(&ip.Out), nil))
}
for i, ip := range inputs {
// Error is ignored as the length and network checks can never fail
// for these inputs.
addr, _ := btcutil.NewAddressPubKeyHash(ip.AddrHash[:],
a.Wallet.Net())
privkey, err := a.AddressKey(addr)
if err == wallet.ErrWalletLocked {
return nil, wallet.ErrWalletLocked
} else if err != nil {
return nil, fmt.Errorf("cannot get address key: %v", err)
}
ai, err := a.AddressInfo(addr)
if err != nil {
return nil, fmt.Errorf("cannot get address info: %v", err)
}
sigscript, err := btcscript.SignatureScript(msgtx, i,
ip.Subscript, btcscript.SigHashAll, privkey,
ai.Compressed)
if err != nil {
return nil, fmt.Errorf("cannot create sigscript: %s", err)
}
msgtx.TxIn[i].SignatureScript = sigscript
}
noFeeAllowed := false
if !cfg.DisallowFree {
noFeeAllowed = allowFree(bs.Height, inputs, msgtx.SerializeSize())
}
if minFee := minimumFee(msgtx, noFeeAllowed); fee < minFee {
fee = minFee
} else {
// Fill Tx hash of change outpoint with transaction hash.
if changeUtxo != nil {
txHash, err := msgtx.TxSha()
if err != nil {
return nil, fmt.Errorf("cannot create transaction hash: %s", err)
}
copy(changeUtxo.Out.Hash[:], txHash[:])
// Add change to outputs.
out := tx.Pair{
Amount: int64(change),
PubkeyHash: changeAddr.ScriptAddress(),
Change: true,
}
outputs = append(outputs, out)
finalChangeUtxo = changeUtxo
}
selectedInputs = inputs
btcspent = int64(btcin)
break
}
}
// Validate msgtx before returning the raw transaction.
flags := btcscript.ScriptCanonicalSignatures
bip16 := time.Now().After(btcscript.Bip16Activation)
if bip16 {
flags |= btcscript.ScriptBip16
}
for i, txin := range msgtx.TxIn {
engine, err := btcscript.NewScript(txin.SignatureScript,
selectedInputs[i].Subscript, i, msgtx, flags)
if err != nil {
return nil, fmt.Errorf("cannot create script engine: %s", err)
}
if err = engine.Execute(); err != nil {
return nil, fmt.Errorf("cannot validate transaction: %s", err)
}
}
txid, err := msgtx.TxSha()
if err != nil {
return nil, fmt.Errorf("cannot create txid for created tx: %v", err)
}
buf := new(bytes.Buffer)
msgtx.BtcEncode(buf, btcwire.ProtocolVersion)
info := &CreatedTx{
rawTx: buf.Bytes(),
txid: txid,
time: time.Now(),
inputs: selectedInputs,
outputs: outputs,
btcspent: btcspent,
fee: fee,
changeAddr: changeAddr,
changeUtxo: finalChangeUtxo,
}
return info, nil
}
// NtfnProcessedTx handles the btcws.ProcessedTxNtfn notification.
func NtfnProcessedTx(n btcjson.Cmd, marshaled []byte) {
ptn, ok := n.(*btcws.ProcessedTxNtfn)
if !ok {
log.Errorf("%v handler: unexpected type", n.Method())
return
}
// Create useful types from the JSON strings.
receiver, err := btcutil.DecodeAddr(ptn.Receiver)
if err != nil {
log.Errorf("%v handler: error parsing receiver: %v", n.Method(), err)
return
}
txID, err := btcwire.NewShaHashFromStr(ptn.TxID)
if err != nil {
log.Errorf("%v handler: error parsing txid: %v", n.Method(), err)
return
}
blockHash, err := btcwire.NewShaHashFromStr(ptn.BlockHash)
if err != nil {
log.Errorf("%v handler: error parsing block hash: %v", n.Method(), err)
return
}
pkscript, err := hex.DecodeString(ptn.PkScript)
if err != nil {
log.Errorf("%v handler: error parsing pkscript: %v", n.Method(), err)
return
}
// Lookup account for address in result.
aname, err := LookupAccountByAddress(ptn.Receiver)
if err == ErrNotFound {
log.Warnf("Received rescan result for unknown address %v", ptn.Receiver)
return
}
a, err := accountstore.Account(aname)
if err == ErrAcctNotExist {
log.Errorf("Missing account for rescaned address %v", ptn.Receiver)
}
// Create RecvTx to add to tx history.
t := &tx.RecvTx{
TxID: *txID,
TxOutIdx: ptn.TxOutIndex,
TimeReceived: time.Now().Unix(),
BlockHeight: ptn.BlockHeight,
BlockHash: *blockHash,
BlockIndex: int32(ptn.BlockIndex),
BlockTime: ptn.BlockTime,
Amount: ptn.Amount,
ReceiverHash: receiver.ScriptAddress(),
}
// For transactions originating from this wallet, the sent tx history should
// be recorded before the received history. If wallet created this tx, wait
// for the sent history to finish being recorded before continuing.
req := SendTxHistSyncRequest{
txid: *txID,
response: make(chan SendTxHistSyncResponse),
}
SendTxHistSyncChans.access <- req
resp := <-req.response
if resp.ok {
// Wait until send history has been recorded.
<-resp.c
SendTxHistSyncChans.remove <- *txID
}
// Record the tx history.
a.TxStore.Lock()
a.TxStore.s.InsertRecvTx(t)
a.TxStore.Unlock()
a.ScheduleTxStoreWrite()
// Notify frontends of tx. If the tx is unconfirmed, it is always
// notified and the outpoint is marked as notified. If the outpoint
// has already been notified and is now in a block, a txmined notifiction
// should be sent once to let frontends that all previous send/recvs
// for this unconfirmed tx are now confirmed.
recvTxOP := btcwire.NewOutPoint(txID, ptn.TxOutIndex)
previouslyNotifiedReq := NotifiedRecvTxRequest{
op: *recvTxOP,
response: make(chan NotifiedRecvTxResponse),
}
NotifiedRecvTxChans.access <- previouslyNotifiedReq
if <-previouslyNotifiedReq.response {
NotifyMinedTx <- t
NotifiedRecvTxChans.remove <- *recvTxOP
} else {
// Notify frontends of new recv tx and mark as notified.
NotifiedRecvTxChans.add <- *recvTxOP
NotifyNewTxDetails(frontendNotificationMaster, a.Name(), t.TxInfo(a.Name(),
ptn.BlockHeight, a.Wallet.Net())[0])
}
if !ptn.Spent {
u := &tx.Utxo{
Amt: uint64(ptn.Amount),
Height: ptn.BlockHeight,
Subscript: pkscript,
}
copy(u.Out.Hash[:], txID[:])
u.Out.Index = uint32(ptn.TxOutIndex)
copy(u.AddrHash[:], receiver.ScriptAddress())
copy(u.BlockHash[:], blockHash[:])
a.UtxoStore.Lock()
a.UtxoStore.s.Insert(u)
a.UtxoStore.Unlock()
a.ScheduleUtxoStoreWrite()
// If this notification came from mempool, notify frontends of
// the new unconfirmed balance immediately. Otherwise, wait until
// the blockconnected notifiation is processed.
if u.Height == -1 {
bal := a.CalculateBalance(0) - a.CalculateBalance(1)
NotifyWalletBalanceUnconfirmed(frontendNotificationMaster,
a.name, bal)
}
}
// Notify frontends of new account balance.
confirmed := a.CalculateBalance(1)
unconfirmed := a.CalculateBalance(0) - confirmed
NotifyWalletBalance(frontendNotificationMaster, a.name, confirmed)
NotifyWalletBalanceUnconfirmed(frontendNotificationMaster, a.name, unconfirmed)
}