예제 #1
0
// This example demonstrates creating a script which pays to a bitcoin address.
// It also prints the created script hex and uses the DisasmString function to
// display the disassembled script.
func ExamplePayToAddrScript() {
	// Parse the address to send the coins to into a coinutil.Address
	// which is useful to ensure the accuracy of the address and determine
	// the address type.  It is also required for the upcoming call to
	// PayToAddrScript.
	addressStr := "12gpXQVcCL2qhTNQgyLVdCFG2Qs2px98nV"
	address, err := coinutil.DecodeAddress(addressStr, &chaincfg.MainNetParams)
	if err != nil {
		fmt.Println(err)
		return
	}

	// Create a public key script that pays to the address.
	script, err := txscript.PayToAddrScript(address)
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Printf("Script Hex: %x\n", script)

	disasm, err := txscript.DisasmString(script)
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Println("Script Disassembly:", disasm)

	// Output:
	// Script Hex: 76a914128004ff2fcaf13b2b91eb654b1dc2b674f7ec6188ac
	// Script Disassembly: OP_DUP OP_HASH160 128004ff2fcaf13b2b91eb654b1dc2b674f7ec61 OP_EQUALVERIFY OP_CHECKSIG
}
예제 #2
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func TestSignMultiSigUTXOPkScriptNotP2SH(t *testing.T) {
	tearDown, pool, _ := TstCreatePoolAndTxStore(t)
	defer tearDown()

	mgr := pool.Manager()
	tx := createWithdrawalTx(t, pool, []int64{4e6}, []int64{})
	addr, _ := coinutil.DecodeAddress("1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX", mgr.ChainParams())
	pubKeyHashPkScript, _ := txscript.PayToAddrScript(addr.(*coinutil.AddressPubKeyHash))
	msgtx := tx.toMsgTx()

	err := signMultiSigUTXO(mgr, msgtx, 0, pubKeyHashPkScript, []RawSig{RawSig{}})

	TstCheckError(t, "", err, ErrTxSigning)
}
예제 #3
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func TestCreateTx(t *testing.T) {
	bs := &waddrmgr.BlockStamp{Height: 11111}
	mgr := newManager(t, txInfo.privKeys, bs)
	account := uint32(0)
	changeAddr, _ := coinutil.DecodeAddress("muqW4gcixv58tVbSKRC5q6CRKy8RmyLgZ5", &chaincfg.TestNet3Params)
	var tstChangeAddress = func(account uint32) (coinutil.Address, error) {
		return changeAddr, nil
	}

	// Pick all utxos from txInfo as eligible input.
	eligible := mockCredits(t, txInfo.hex, []uint32{1, 2, 3, 4, 5})
	// Now create a new TX sending 25e6 satoshis to the following addresses:
	outputs := map[string]coinutil.Amount{outAddr1: 15e6, outAddr2: 10e6}
	tx, err := createTx(eligible, outputs, bs, defaultFeeIncrement, mgr, account, tstChangeAddress, &chaincfg.TestNet3Params, false)
	if err != nil {
		t.Fatal(err)
	}

	if tx.ChangeAddr.String() != changeAddr.String() {
		t.Fatalf("Unexpected change address; got %v, want %v",
			tx.ChangeAddr.String(), changeAddr.String())
	}

	msgTx := tx.MsgTx
	if len(msgTx.TxOut) != 3 {
		t.Fatalf("Unexpected number of outputs; got %d, want 3", len(msgTx.TxOut))
	}

	// The outputs in our new TX amount to 25e6 satoshis, so to fulfil that
	// createTx should have picked the utxos with indices 4, 3 and 5, which
	// total 25.1e6.
	if len(msgTx.TxIn) != 3 {
		t.Fatalf("Unexpected number of inputs; got %d, want 3", len(msgTx.TxIn))
	}

	// Given the input (15e6 + 10e6 + 1e7) and requested output (15e6 + 10e6)
	// amounts in the new TX, we should have a change output with 8.99e6, which
	// implies a fee of 1e3 satoshis.
	expectedChange := coinutil.Amount(8.999e6)

	outputs[changeAddr.String()] = expectedChange
	checkOutputsMatch(t, msgTx, outputs)

	minFee := feeForSize(defaultFeeIncrement, msgTx.SerializeSize())
	actualFee := coinutil.Amount(1e3)
	if minFee > actualFee {
		t.Fatalf("Requested fee (%v) for tx size higher than actual fee (%v)", minFee, actualFee)
	}
}
예제 #4
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func TstNewOutputRequest(t *testing.T, transaction uint32, address string, amount coinutil.Amount,
	net *chaincfg.Params) OutputRequest {
	addr, err := coinutil.DecodeAddress(address, net)
	if err != nil {
		t.Fatalf("Unable to decode address %s", address)
	}
	pkScript, err := txscript.PayToAddrScript(addr)
	if err != nil {
		t.Fatalf("Unable to generate pkScript for %v", addr)
	}
	return OutputRequest{
		PkScript:    pkScript,
		Address:     addr,
		Amount:      amount,
		Server:      "server",
		Transaction: transaction,
	}
}
예제 #5
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func TestCreateTxInsufficientFundsError(t *testing.T) {
	outputs := map[string]coinutil.Amount{outAddr1: 10, outAddr2: 1e9}
	eligible := mockCredits(t, txInfo.hex, []uint32{1})
	bs := &waddrmgr.BlockStamp{Height: 11111}
	account := uint32(0)
	changeAddr, _ := coinutil.DecodeAddress("muqW4gcixv58tVbSKRC5q6CRKy8RmyLgZ5", &chaincfg.TestNet3Params)
	var tstChangeAddress = func(account uint32) (coinutil.Address, error) {
		return changeAddr, nil
	}

	_, err := createTx(eligible, outputs, bs, defaultFeeIncrement, nil, account, tstChangeAddress, &chaincfg.TestNet3Params, false)

	if err == nil {
		t.Error("Expected InsufficientFundsError, got no error")
	} else if _, ok := err.(InsufficientFundsError); !ok {
		t.Errorf("Unexpected error, got %v, want InsufficientFundsError", err)
	}
}
예제 #6
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func TestSignMultiSigUTXORedeemScriptNotFound(t *testing.T) {
	tearDown, pool, _ := TstCreatePoolAndTxStore(t)
	defer tearDown()

	mgr := pool.Manager()
	tx := createWithdrawalTx(t, pool, []int64{4e6}, []int64{})
	// This is a P2SH address for which the addr manager doesn't have the redeem
	// script.
	addr, _ := coinutil.DecodeAddress("3Hb4xcebcKg4DiETJfwjh8sF4uDw9rqtVC", mgr.ChainParams())
	if _, err := mgr.Address(addr); err == nil {
		t.Fatalf("Address %s found in manager when it shouldn't", addr)
	}
	msgtx := tx.toMsgTx()

	pkScript, _ := txscript.PayToAddrScript(addr.(*coinutil.AddressScriptHash))
	err := signMultiSigUTXO(mgr, msgtx, 0, pkScript, []RawSig{RawSig{}})

	TstCheckError(t, "", err, ErrTxSigning)
}
예제 #7
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// addOutputs adds the given address/amount pairs as outputs to msgtx,
// returning their total amount.
func addOutputs(msgtx *wire.MsgTx, pairs map[string]coinutil.Amount, chainParams *chaincfg.Params) (coinutil.Amount, error) {
	var minAmount coinutil.Amount
	for addrStr, amt := range pairs {
		if amt <= 0 {
			return minAmount, ErrNonPositiveAmount
		}
		minAmount += amt
		addr, err := coinutil.DecodeAddress(addrStr, chainParams)
		if err != nil {
			return minAmount, fmt.Errorf("cannot decode address: %s", err)
		}

		// Add output to spend amt to addr.
		pkScript, err := txscript.PayToAddrScript(addr)
		if err != nil {
			return minAmount, fmt.Errorf("cannot create txout script: %s", err)
		}
		txout := wire.NewTxOut(int64(amt), pkScript)
		msgtx.AddTxOut(txout)
	}
	return minAmount, nil
}
예제 #8
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// checkOutputsMatch checks that the outputs in the tx match the expected ones.
func checkOutputsMatch(t *testing.T, msgtx *wire.MsgTx, expected map[string]coinutil.Amount) {
	// This is a bit convoluted because the index of the change output is randomized.
	for addrStr, v := range expected {
		addr, err := coinutil.DecodeAddress(addrStr, &chaincfg.TestNet3Params)
		if err != nil {
			t.Fatalf("Cannot decode address: %v", err)
		}
		pkScript, err := txscript.PayToAddrScript(addr)
		if err != nil {
			t.Fatalf("Cannot create pkScript: %v", err)
		}
		found := false
		for _, txout := range msgtx.TxOut {
			if reflect.DeepEqual(txout.PkScript, pkScript) && txout.Value == int64(v) {
				found = true
				break
			}
		}
		if !found {
			t.Fatalf("PkScript %v not found in msgtx.TxOut: %v", pkScript, msgtx.TxOut)
		}
	}
}
예제 #9
0
파일: db.go 프로젝트: conseweb/stcwallet
// deserializeWithdrawal deserializes the given byte slice into a dbWithdrawalRow,
// converts it into an withdrawalInfo and returns it. This function must run
// with the address manager unlocked.
func deserializeWithdrawal(p *Pool, serialized []byte) (*withdrawalInfo, error) {
	var row dbWithdrawalRow
	if err := gob.NewDecoder(bytes.NewReader(serialized)).Decode(&row); err != nil {
		return nil, newError(ErrWithdrawalStorage, "cannot deserialize withdrawal information",
			err)
	}
	wInfo := &withdrawalInfo{
		lastSeriesID:  row.LastSeriesID,
		dustThreshold: row.DustThreshold,
	}
	chainParams := p.Manager().ChainParams()
	wInfo.requests = make([]OutputRequest, len(row.Requests))
	// A map of requests indexed by OutBailmentID; needed to populate
	// WithdrawalStatus.Outputs later on.
	requestsByOID := make(map[OutBailmentID]OutputRequest)
	for i, req := range row.Requests {
		addr, err := coinutil.DecodeAddress(req.Addr, chainParams)
		if err != nil {
			return nil, newError(ErrWithdrawalStorage,
				"cannot deserialize addr for requested output", err)
		}
		pkScript, err := txscript.PayToAddrScript(addr)
		if err != nil {
			return nil, newError(ErrWithdrawalStorage, "invalid addr for requested output", err)
		}
		request := OutputRequest{
			Address:     addr,
			Amount:      req.Amount,
			PkScript:    pkScript,
			Server:      req.Server,
			Transaction: req.Transaction,
		}
		wInfo.requests[i] = request
		requestsByOID[request.outBailmentID()] = request
	}
	startAddr := row.StartAddress
	wAddr, err := p.WithdrawalAddress(startAddr.SeriesID, startAddr.Branch, startAddr.Index)
	if err != nil {
		return nil, newError(ErrWithdrawalStorage, "cannot deserialize startAddress", err)
	}
	wInfo.startAddress = *wAddr

	cAddr, err := p.ChangeAddress(row.ChangeStart.SeriesID, row.ChangeStart.Index)
	if err != nil {
		return nil, newError(ErrWithdrawalStorage, "cannot deserialize changeStart", err)
	}
	wInfo.changeStart = *cAddr

	// TODO: Copy over row.Status.nextInputAddr. Not done because StartWithdrawal
	// does not update that yet.
	nextChangeAddr := row.Status.NextChangeAddr
	cAddr, err = p.ChangeAddress(nextChangeAddr.SeriesID, nextChangeAddr.Index)
	if err != nil {
		return nil, newError(ErrWithdrawalStorage,
			"cannot deserialize nextChangeAddress for withdrawal", err)
	}
	wInfo.status = WithdrawalStatus{
		nextChangeAddr: *cAddr,
		fees:           row.Status.Fees,
		outputs:        make(map[OutBailmentID]*WithdrawalOutput, len(row.Status.Outputs)),
		sigs:           row.Status.Sigs,
		transactions:   make(map[Ntxid]changeAwareTx, len(row.Status.Transactions)),
	}
	for oid, output := range row.Status.Outputs {
		outpoints := make([]OutBailmentOutpoint, len(output.Outpoints))
		for i, outpoint := range output.Outpoints {
			outpoints[i] = OutBailmentOutpoint{
				ntxid:  outpoint.Ntxid,
				index:  outpoint.Index,
				amount: outpoint.Amount,
			}
		}
		wInfo.status.outputs[oid] = &WithdrawalOutput{
			request:   requestsByOID[output.OutBailmentID],
			status:    output.Status,
			outpoints: outpoints,
		}
	}
	for ntxid, tx := range row.Status.Transactions {
		msgtx := wire.NewMsgTx()
		if err := msgtx.Deserialize(bytes.NewBuffer(tx.SerializedMsgTx)); err != nil {
			return nil, newError(ErrWithdrawalStorage, "cannot deserialize transaction", err)
		}
		wInfo.status.transactions[ntxid] = changeAwareTx{
			MsgTx:     msgtx,
			changeIdx: tx.ChangeIdx,
		}
	}
	return wInfo, nil
}
예제 #10
0
// This example demonstrates how to use the Pool.StartWithdrawal method.
func Example_startWithdrawal() {
	// Create the address manager and votingpool DB namespace. See the example
	// for the Create() function for more info on how this is done.
	mgr, vpNamespace, tearDownFunc, err := exampleCreateMgrAndDBNamespace()
	if err != nil {
		fmt.Println(err)
		return
	}
	defer tearDownFunc()

	// Create a pool and a series. See the DepositAddress example for more info
	// on how this is done.
	pool, seriesID, err := exampleCreatePoolAndSeries(mgr, vpNamespace)
	if err != nil {
		fmt.Println(err)
		return
	}

	// Unlock the manager
	if err := mgr.Unlock(privPassphrase); err != nil {
		fmt.Println(err)
		return
	}
	defer mgr.Lock()

	addr, _ := coinutil.DecodeAddress("1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX", mgr.ChainParams())
	pkScript, _ := txscript.PayToAddrScript(addr)
	requests := []votingpool.OutputRequest{
		votingpool.OutputRequest{
			PkScript:    pkScript,
			Address:     addr,
			Amount:      1e6,
			Server:      "server-id",
			Transaction: 123},
	}
	changeStart, err := pool.ChangeAddress(seriesID, votingpool.Index(0))
	if err != nil {
		fmt.Println(err)
		return
	}
	// This is only needed because we have not used any deposit addresses from
	// the series, and we cannot create a WithdrawalAddress for an unused
	// branch/idx pair.
	if err = pool.EnsureUsedAddr(seriesID, votingpool.Branch(1), votingpool.Index(0)); err != nil {
		fmt.Println(err)
		return
	}
	startAddr, err := pool.WithdrawalAddress(seriesID, votingpool.Branch(1), votingpool.Index(0))
	if err != nil {
		fmt.Println(err)
		return
	}
	lastSeriesID := seriesID
	dustThreshold := coinutil.Amount(1e4)
	currentBlock := int32(19432)
	roundID := uint32(0)
	txstore, tearDownFunc, err := exampleCreateTxStore()
	if err != nil {
		fmt.Println(err)
		return
	}
	_, err = pool.StartWithdrawal(
		roundID, requests, *startAddr, lastSeriesID, *changeStart, txstore, currentBlock,
		dustThreshold)
	if err != nil {
		fmt.Println(err)
	}

	// Output:
	//
}
예제 #11
0
func TestLimitAndSkipFetchTxsForAddr(t *testing.T) {
	testDb, err := setUpTestDb(t, "tstdbtxaddr")
	if err != nil {
		t.Errorf("Failed to open test database %v", err)
		return
	}
	defer testDb.cleanUpFunc()

	// Insert a block with some fake test transactions. The block will have
	// 10 copies of a fake transaction involving same address.
	addrString := "1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa"
	targetAddr, err := coinutil.DecodeAddress(addrString, &chaincfg.MainNetParams)
	if err != nil {
		t.Fatalf("Unable to decode test address: %v", err)
	}
	outputScript, err := txscript.PayToAddrScript(targetAddr)
	if err != nil {
		t.Fatalf("Unable make test pkScript %v", err)
	}
	fakeTxOut := wire.NewTxOut(10, outputScript)
	var emptyHash wire.ShaHash
	fakeHeader := wire.NewBlockHeader(&emptyHash, &emptyHash, 1, 1)
	msgBlock := wire.NewMsgBlock(fakeHeader)
	for i := 0; i < 10; i++ {
		mtx := wire.NewMsgTx()
		mtx.AddTxOut(fakeTxOut)
		msgBlock.AddTransaction(mtx)
	}

	// Insert the test block into the DB.
	testBlock := coinutil.NewBlock(msgBlock)
	newheight, err := testDb.db.InsertBlock(testBlock)
	if err != nil {
		t.Fatalf("Unable to insert block into db: %v", err)
	}

	// Create and insert an address index for out test addr.
	txLoc, _ := testBlock.TxLoc()
	index := make(database.BlockAddrIndex)
	for i := range testBlock.Transactions() {
		var hash160 [ripemd160.Size]byte
		scriptAddr := targetAddr.ScriptAddress()
		copy(hash160[:], scriptAddr[:])
		index[hash160] = append(index[hash160], &txLoc[i])
	}
	blkSha := testBlock.Sha()
	err = testDb.db.UpdateAddrIndexForBlock(blkSha, newheight, index)
	if err != nil {
		t.Fatalf("UpdateAddrIndexForBlock: failed to index"+
			" addrs for block #%d (%s) "+
			"err %v", newheight, blkSha, err)
		return
	}

	// Try skipping the first 4 results, should get 6 in return.
	txReply, txSkipped, err := testDb.db.FetchTxsForAddr(targetAddr, 4, 100000, false)
	if err != nil {
		t.Fatalf("Unable to fetch transactions for address: %v", err)
	}
	if txSkipped != 4 {
		t.Fatalf("Did not correctly return skipped amount"+
			" got %v txs, expected %v", txSkipped, 4)
	}
	if len(txReply) != 6 {
		t.Fatalf("Did not correctly skip forward in txs for address reply"+
			" got %v txs, expected %v", len(txReply), 6)
	}

	// Limit the number of results to 3.
	txReply, txSkipped, err = testDb.db.FetchTxsForAddr(targetAddr, 0, 3, false)
	if err != nil {
		t.Fatalf("Unable to fetch transactions for address: %v", err)
	}
	if txSkipped != 0 {
		t.Fatalf("Did not correctly return skipped amount"+
			" got %v txs, expected %v", txSkipped, 0)
	}
	if len(txReply) != 3 {
		t.Fatalf("Did not correctly limit in txs for address reply"+
			" got %v txs, expected %v", len(txReply), 3)
	}

	// Skip 1, limit 5.
	txReply, txSkipped, err = testDb.db.FetchTxsForAddr(targetAddr, 1, 5, false)
	if err != nil {
		t.Fatalf("Unable to fetch transactions for address: %v", err)
	}
	if txSkipped != 1 {
		t.Fatalf("Did not correctly return skipped amount"+
			" got %v txs, expected %v", txSkipped, 1)
	}
	if len(txReply) != 5 {
		t.Fatalf("Did not correctly limit in txs for address reply"+
			" got %v txs, expected %v", len(txReply), 5)
	}
}
예제 #12
0
func TestAddresses(t *testing.T) {
	tests := []struct {
		name    string
		addr    string
		encoded string
		valid   bool
		result  coinutil.Address
		f       func() (coinutil.Address, error)
		net     *chaincfg.Params
	}{
		// Positive P2PKH tests.
		{
			name:    "mainnet p2pkh",
			addr:    "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX",
			encoded: "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX",
			valid:   true,
			result: coinutil.TstAddressPubKeyHash(
				[ripemd160.Size]byte{
					0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc,
					0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84},
				chaincfg.MainNetParams.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
			},
			net: &chaincfg.MainNetParams,
		},
		{
			name:    "mainnet p2pkh 2",
			addr:    "12MzCDwodF9G1e7jfwLXfR164RNtx4BRVG",
			encoded: "12MzCDwodF9G1e7jfwLXfR164RNtx4BRVG",
			valid:   true,
			result: coinutil.TstAddressPubKeyHash(
				[ripemd160.Size]byte{
					0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4,
					0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa},
				chaincfg.MainNetParams.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
			},
			net: &chaincfg.MainNetParams,
		},
		{
			name:    "testnet p2pkh",
			addr:    "mrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz",
			encoded: "mrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz",
			valid:   true,
			result: coinutil.TstAddressPubKeyHash(
				[ripemd160.Size]byte{
					0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83,
					0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f},
				chaincfg.TestNet3Params.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKeyHash(pkHash, &chaincfg.TestNet3Params)
			},
			net: &chaincfg.TestNet3Params,
		},

		// Negative P2PKH tests.
		{
			name:  "p2pkh wrong hash length",
			addr:  "",
			valid: false,
			f: func() (coinutil.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 coinutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
			},
		},
		{
			name:  "p2pkh bad checksum",
			addr:  "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gY",
			valid: false,
		},

		// Positive P2SH tests.
		{
			// Taken from transactions:
			// output: 3c9018e8d5615c306d72397f8f5eef44308c98fb576a88e030c25456b4f3a7ac
			// input:  837dea37ddc8b1e3ce646f1a656e79bbd8cc7f558ac56a169626d649ebe2a3ba.
			name:    "mainnet p2sh",
			addr:    "3QJmV3qfvL9SuYo34YihAf3sRCW3qSinyC",
			encoded: "3QJmV3qfvL9SuYo34YihAf3sRCW3qSinyC",
			valid:   true,
			result: coinutil.TstAddressScriptHash(
				[ripemd160.Size]byte{
					0xf8, 0x15, 0xb0, 0x36, 0xd9, 0xbb, 0xbc, 0xe5, 0xe9, 0xf2,
					0xa0, 0x0a, 0xbd, 0x1b, 0xf3, 0xdc, 0x91, 0xe9, 0x55, 0x10},
				chaincfg.MainNetParams.ScriptHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressScriptHash(script, &chaincfg.MainNetParams)
			},
			net: &chaincfg.MainNetParams,
		},
		{
			// Taken from transactions:
			// output: b0539a45de13b3e0403909b8bd1a555b8cbe45fd4e3f3fda76f3a5f52835c29d
			// input: (not yet redeemed at time test was written)
			name:    "mainnet p2sh 2",
			addr:    "3NukJ6fYZJ5Kk8bPjycAnruZkE5Q7UW7i8",
			encoded: "3NukJ6fYZJ5Kk8bPjycAnruZkE5Q7UW7i8",
			valid:   true,
			result: coinutil.TstAddressScriptHash(
				[ripemd160.Size]byte{
					0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37,
					0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4},
				chaincfg.MainNetParams.ScriptHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressScriptHashFromHash(hash, &chaincfg.MainNetParams)
			},
			net: &chaincfg.MainNetParams,
		},
		{
			// Taken from bitcoind base58_keys_valid.
			name:    "testnet p2sh",
			addr:    "2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n",
			encoded: "2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n",
			valid:   true,
			result: coinutil.TstAddressScriptHash(
				[ripemd160.Size]byte{
					0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e,
					0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a},
				chaincfg.TestNet3Params.ScriptHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressScriptHashFromHash(hash, &chaincfg.TestNet3Params)
			},
			net: &chaincfg.TestNet3Params,
		},

		// Negative P2SH tests.
		{
			name:  "p2sh wrong hash length",
			addr:  "",
			valid: false,
			f: func() (coinutil.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 coinutil.NewAddressScriptHashFromHash(hash, &chaincfg.MainNetParams)
			},
		},

		// Positive P2PK tests.
		{
			name:    "mainnet p2pk compressed (0x02)",
			addr:    "02192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4",
			encoded: "13CG6SJ3yHUXo4Cr2RY4THLLJrNFuG3gUg",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFCompressed, chaincfg.MainNetParams.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
			},
			net: &chaincfg.MainNetParams,
		},
		{
			name:    "mainnet p2pk compressed (0x03)",
			addr:    "03b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65",
			encoded: "15sHANNUBSh6nDp8XkDPmQcW6n3EFwmvE6",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFCompressed, chaincfg.MainNetParams.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
			},
			net: &chaincfg.MainNetParams,
		},
		{
			name: "mainnet p2pk uncompressed (0x04)",
			addr: "0411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2" +
				"e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3",
			encoded: "12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFUncompressed, chaincfg.MainNetParams.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
			},
			net: &chaincfg.MainNetParams,
		},
		{
			name: "mainnet p2pk hybrid (0x06)",
			addr: "06192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4" +
				"0d45264838c0bd96852662ce6a847b197376830160c6d2eb5e6a4c44d33f453e",
			encoded: "1Ja5rs7XBZnK88EuLVcFqYGMEbBitzchmX",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFHybrid, chaincfg.MainNetParams.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
			},
			net: &chaincfg.MainNetParams,
		},
		{
			name: "mainnet p2pk hybrid (0x07)",
			addr: "07b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65" +
				"37a576782eba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3c1e0908ef7b",
			encoded: "1ExqMmf6yMxcBMzHjbj41wbqYuqoX6uBLG",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFHybrid, chaincfg.MainNetParams.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
			},
			net: &chaincfg.MainNetParams,
		},
		{
			name:    "testnet p2pk compressed (0x02)",
			addr:    "02192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4",
			encoded: "mhiDPVP2nJunaAgTjzWSHCYfAqxxrxzjmo",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFCompressed, chaincfg.TestNet3Params.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
			},
			net: &chaincfg.TestNet3Params,
		},
		{
			name:    "testnet p2pk compressed (0x03)",
			addr:    "03b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65",
			encoded: "mkPETRTSzU8MZLHkFKBmbKppxmdw9qT42t",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFCompressed, chaincfg.TestNet3Params.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
			},
			net: &chaincfg.TestNet3Params,
		},
		{
			name: "testnet p2pk uncompressed (0x04)",
			addr: "0411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5" +
				"cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3",
			encoded: "mh8YhPYEAYs3E7EVyKtB5xrcfMExkkdEMF",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFUncompressed, chaincfg.TestNet3Params.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
			},
			net: &chaincfg.TestNet3Params,
		},
		{
			name: "testnet p2pk hybrid (0x06)",
			addr: "06192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b" +
				"40d45264838c0bd96852662ce6a847b197376830160c6d2eb5e6a4c44d33f453e",
			encoded: "my639vCVzbDZuEiX44adfTUg6anRomZLEP",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFHybrid, chaincfg.TestNet3Params.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
			},
			net: &chaincfg.TestNet3Params,
		},
		{
			name: "testnet p2pk hybrid (0x07)",
			addr: "07b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e6" +
				"537a576782eba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3c1e0908ef7b",
			encoded: "muUnepk5nPPrxUTuTAhRqrpAQuSWS5fVii",
			valid:   true,
			result: coinutil.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},
				coinutil.PKFHybrid, chaincfg.TestNet3Params.PubKeyHashAddrID),
			f: func() (coinutil.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 coinutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
			},
			net: &chaincfg.TestNet3Params,
		},
	}

	for _, test := range tests {
		// Decode addr and compare error against valid.
		decoded, err := coinutil.DecodeAddress(test.addr, test.net)
		if (err == nil) != test.valid {
			t.Errorf("%v: decoding test failed: %v", test.name, err)
			return
		}

		if err == nil {
			// Ensure the stringer returns the same address as the
			// original.
			if decodedStringer, ok := decoded.(fmt.Stringer); ok {
				if test.addr != decodedStringer.String() {
					t.Errorf("%v: String on decoded value does not match expected value: %v != %v",
						test.name, test.addr, decodedStringer.String())
					return
				}
			}

			// Encode again and compare against the original.
			encoded := decoded.EncodeAddress()
			if test.encoded != encoded {
				t.Errorf("%v: decoding and encoding produced different addressess: %v != %v",
					test.name, test.encoded, encoded)
				return
			}

			// Perform type-specific calculations.
			var saddr []byte
			switch d := decoded.(type) {
			case *coinutil.AddressPubKeyHash:
				saddr = coinutil.TstAddressSAddr(encoded)

			case *coinutil.AddressScriptHash:
				saddr = coinutil.TstAddressSAddr(encoded)

			case *coinutil.AddressPubKey:
				// Ignore the error here since the script
				// address is checked below.
				saddr, _ = hex.DecodeString(d.String())
			}

			// Check script address, as well as the Hash160 method for P2PKH and
			// P2SH addresses.
			if !bytes.Equal(saddr, decoded.ScriptAddress()) {
				t.Errorf("%v: script addresses do not match:\n%x != \n%x",
					test.name, saddr, decoded.ScriptAddress())
				return
			}
			switch a := decoded.(type) {
			case *coinutil.AddressPubKeyHash:
				if h := a.Hash160()[:]; !bytes.Equal(saddr, h) {
					t.Errorf("%v: hashes do not match:\n%x != \n%x",
						test.name, saddr, h)
					return
				}

			case *coinutil.AddressScriptHash:
				if h := a.Hash160()[:]; !bytes.Equal(saddr, h) {
					t.Errorf("%v: hashes do not match:\n%x != \n%x",
						test.name, saddr, h)
					return
				}
			}

			// Ensure the address is for the expected network.
			if !decoded.IsForNet(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
		}
	}
}
예제 #13
0
파일: config.go 프로젝트: conseweb/stcd
// loadConfig initializes and parses the config using a config file and command
// line options.
//
// The configuration proceeds as follows:
// 	1) Start with a default config with sane settings
// 	2) Pre-parse the command line to check for an alternative config file
// 	3) Load configuration file overwriting defaults with any specified options
// 	4) Parse CLI options and overwrite/add any specified options
//
// The above results in xcoind functioning properly without any config settings
// while still allowing the user to override settings with config files and
// command line options.  Command line options always take precedence.
func loadConfig() (*config, []string, error) {
	// Default config.
	cfg := config{
		ConfigFile:        defaultConfigFile,
		DebugLevel:        defaultLogLevel,
		MaxPeers:          defaultMaxPeers,
		BanDuration:       defaultBanDuration,
		RPCMaxClients:     defaultMaxRPCClients,
		RPCMaxWebsockets:  defaultMaxRPCWebsockets,
		DataDir:           defaultDataDir,
		LogDir:            defaultLogDir,
		DbType:            defaultDbType,
		RPCKey:            defaultRPCKeyFile,
		RPCCert:           defaultRPCCertFile,
		MinRelayTxFee:     defaultMinRelayTxFee.ToBTC(),
		FreeTxRelayLimit:  defaultFreeTxRelayLimit,
		BlockMinSize:      defaultBlockMinSize,
		BlockMaxSize:      defaultBlockMaxSize,
		BlockPrioritySize: defaultBlockPrioritySize,
		SigCacheMaxSize:   defaultSigCacheMaxSize,
		MaxOrphanTxs:      maxOrphanTransactions,
		Generate:          defaultGenerate,
		AddrIndex:         defaultAddrIndex,
	}

	// Service options which are only added on Windows.
	serviceOpts := serviceOptions{}

	// Pre-parse the command line options to see if an alternative config
	// file or the version flag was specified.  Any errors aside from the
	// help message error can be ignored here since they will be caught by
	// the final parse below.
	preCfg := cfg
	preParser := newConfigParser(&preCfg, &serviceOpts, flags.HelpFlag)
	_, err := preParser.Parse()
	if err != nil {
		if e, ok := err.(*flags.Error); ok && e.Type == flags.ErrHelp {
			fmt.Fprintln(os.Stderr, err)
			return nil, nil, err
		}
	}

	// Show the version and exit if the version flag was specified.
	appName := filepath.Base(os.Args[0])
	appName = strings.TrimSuffix(appName, filepath.Ext(appName))
	usageMessage := fmt.Sprintf("Use %s -h to show usage", appName)
	if preCfg.ShowVersion {
		fmt.Println(appName, "version", version())
		os.Exit(0)
	}

	// Perform service command and exit if specified.  Invalid service
	// commands show an appropriate error.  Only runs on Windows since
	// the runServiceCommand function will be nil when not on Windows.
	if serviceOpts.ServiceCommand != "" && runServiceCommand != nil {
		err := runServiceCommand(serviceOpts.ServiceCommand)
		if err != nil {
			fmt.Fprintln(os.Stderr, err)
		}
		os.Exit(0)
	}

	// Load additional config from file.
	var configFileError error
	parser := newConfigParser(&cfg, &serviceOpts, flags.Default)
	if !(preCfg.RegressionTest || preCfg.SimNet) || preCfg.ConfigFile !=
		defaultConfigFile {

		err := flags.NewIniParser(parser).ParseFile(preCfg.ConfigFile)
		if err != nil {
			if _, ok := err.(*os.PathError); !ok {
				fmt.Fprintf(os.Stderr, "Error parsing config "+
					"file: %v\n", err)
				fmt.Fprintln(os.Stderr, usageMessage)
				return nil, nil, err
			}
			configFileError = err
		}
	}

	// Don't add peers from the config file when in regression test mode.
	if preCfg.RegressionTest && len(cfg.AddPeers) > 0 {
		cfg.AddPeers = nil
	}

	// Parse command line options again to ensure they take precedence.
	remainingArgs, err := parser.Parse()
	if err != nil {
		if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp {
			fmt.Fprintln(os.Stderr, usageMessage)
		}
		return nil, nil, err
	}

	// Create the home directory if it doesn't already exist.
	funcName := "loadConfig"
	err = os.MkdirAll(btcdHomeDir, 0700)
	if err != nil {
		// Show a nicer error message if it's because a symlink is
		// linked to a directory that does not exist (probably because
		// it's not mounted).
		if e, ok := err.(*os.PathError); ok && os.IsExist(err) {
			if link, lerr := os.Readlink(e.Path); lerr == nil {
				str := "is symlink %s -> %s mounted?"
				err = fmt.Errorf(str, e.Path, link)
			}
		}

		str := "%s: Failed to create home directory: %v"
		err := fmt.Errorf(str, funcName, err)
		fmt.Fprintln(os.Stderr, err)
		return nil, nil, err
	}

	// Multiple networks can't be selected simultaneously.
	numNets := 0
	// Count number of network flags passed; assign active network params
	// while we're at it
	if cfg.TestNet3 {
		numNets++
		activeNetParams = &testNet3Params
	}
	if cfg.RegressionTest {
		numNets++
		activeNetParams = &regressionNetParams
	}
	if cfg.SimNet {
		numNets++
		// Also disable dns seeding on the simulation test network.
		activeNetParams = &simNetParams
		cfg.DisableDNSSeed = true
	}
	if numNets > 1 {
		str := "%s: The testnet, regtest, and simnet params can't be " +
			"used together -- choose one of the three"
		err := fmt.Errorf(str, funcName)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Append the network type to the data directory so it is "namespaced"
	// per network.  In addition to the block database, there are other
	// pieces of data that are saved to disk such as address manager state.
	// All data is specific to a network, so namespacing the data directory
	// means each individual piece of serialized data does not have to
	// worry about changing names per network and such.
	cfg.DataDir = cleanAndExpandPath(cfg.DataDir)
	cfg.DataDir = filepath.Join(cfg.DataDir, netName(activeNetParams))

	// Append the network type to the log directory so it is "namespaced"
	// per network in the same fashion as the data directory.
	cfg.LogDir = cleanAndExpandPath(cfg.LogDir)
	cfg.LogDir = filepath.Join(cfg.LogDir, netName(activeNetParams))

	// Special show command to list supported subsystems and exit.
	if cfg.DebugLevel == "show" {
		fmt.Println("Supported subsystems", supportedSubsystems())
		os.Exit(0)
	}

	// Initialize logging at the default logging level.
	initSeelogLogger(filepath.Join(cfg.LogDir, defaultLogFilename))
	setLogLevels(defaultLogLevel)

	// Parse, validate, and set debug log level(s).
	if err := parseAndSetDebugLevels(cfg.DebugLevel); err != nil {
		err := fmt.Errorf("%s: %v", funcName, err.Error())
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Validate database type.
	if !validDbType(cfg.DbType) {
		str := "%s: The specified database type [%v] is invalid -- " +
			"supported types %v"
		err := fmt.Errorf(str, funcName, cfg.DbType, knownDbTypes)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	if cfg.AddrIndex && cfg.DropAddrIndex {
		err := fmt.Errorf("addrindex and dropaddrindex cannot be " +
			"activated at the same")
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Memdb does not currently support the addrindex.
	if cfg.DbType == "memdb" && cfg.AddrIndex {
		err := fmt.Errorf("memdb does not currently support the addrindex")
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Validate profile port number
	if cfg.Profile != "" {
		profilePort, err := strconv.Atoi(cfg.Profile)
		if err != nil || profilePort < 1024 || profilePort > 65535 {
			str := "%s: The profile port must be between 1024 and 65535"
			err := fmt.Errorf(str, funcName)
			fmt.Fprintln(os.Stderr, err)
			fmt.Fprintln(os.Stderr, usageMessage)
			return nil, nil, err
		}
	}

	// Don't allow ban durations that are too short.
	if cfg.BanDuration < time.Duration(time.Second) {
		str := "%s: The banduration option may not be less than 1s -- parsed [%v]"
		err := fmt.Errorf(str, funcName, cfg.BanDuration)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// --addPeer and --connect do not mix.
	if len(cfg.AddPeers) > 0 && len(cfg.ConnectPeers) > 0 {
		str := "%s: the --addpeer and --connect options can not be " +
			"mixed"
		err := fmt.Errorf(str, funcName)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// --proxy or --connect without --listen disables listening.
	if (cfg.Proxy != "" || len(cfg.ConnectPeers) > 0) &&
		len(cfg.Listeners) == 0 {
		cfg.DisableListen = true
	}

	// Connect means no DNS seeding.
	if len(cfg.ConnectPeers) > 0 {
		cfg.DisableDNSSeed = true
	}

	// Add the default listener if none were specified. The default
	// listener is all addresses on the listen port for the network
	// we are to connect to.
	if len(cfg.Listeners) == 0 {
		cfg.Listeners = []string{
			net.JoinHostPort("", activeNetParams.DefaultPort),
		}
	}

	// Check to make sure limited and admin users don't have the same username
	if cfg.RPCUser == cfg.RPCLimitUser && cfg.RPCUser != "" {
		str := "%s: --rpcuser and --rpclimituser must not specify the " +
			"same username"
		err := fmt.Errorf(str, funcName)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Check to make sure limited and admin users don't have the same password
	if cfg.RPCPass == cfg.RPCLimitPass && cfg.RPCPass != "" {
		str := "%s: --rpcpass and --rpclimitpass must not specify the " +
			"same password"
		err := fmt.Errorf(str, funcName)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// The RPC server is disabled if no username or password is provided.
	if (cfg.RPCUser == "" || cfg.RPCPass == "") &&
		(cfg.RPCLimitUser == "" || cfg.RPCLimitPass == "") {
		cfg.DisableRPC = true
	}

	// Default RPC to listen on localhost only.
	if !cfg.DisableRPC && len(cfg.RPCListeners) == 0 {
		addrs, err := net.LookupHost("localhost")
		if err != nil {
			return nil, nil, err
		}
		cfg.RPCListeners = make([]string, 0, len(addrs))
		for _, addr := range addrs {
			addr = net.JoinHostPort(addr, activeNetParams.rpcPort)
			cfg.RPCListeners = append(cfg.RPCListeners, addr)
		}
	}

	// Validate the the minrelaytxfee.
	cfg.minRelayTxFee, err = coinutil.NewAmount(cfg.MinRelayTxFee)
	if err != nil {
		str := "%s: invalid minrelaytxfee: %v"
		err := fmt.Errorf(str, funcName, err)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Limit the max block size to a sane value.
	if cfg.BlockMaxSize < blockMaxSizeMin || cfg.BlockMaxSize >
		blockMaxSizeMax {

		str := "%s: The blockmaxsize option must be in between %d " +
			"and %d -- parsed [%d]"
		err := fmt.Errorf(str, funcName, blockMaxSizeMin,
			blockMaxSizeMax, cfg.BlockMaxSize)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Limit the max orphan count to a sane vlue.
	if cfg.MaxOrphanTxs < 0 {
		str := "%s: The maxorphantx option may not be less than 0 " +
			"-- parsed [%d]"
		err := fmt.Errorf(str, funcName, cfg.MaxOrphanTxs)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Limit the block priority and minimum block sizes to max block size.
	cfg.BlockPrioritySize = minUint32(cfg.BlockPrioritySize, cfg.BlockMaxSize)
	cfg.BlockMinSize = minUint32(cfg.BlockMinSize, cfg.BlockMaxSize)

	// Check getwork keys are valid and saved parsed versions.
	cfg.miningAddrs = make([]coinutil.Address, 0, len(cfg.GetWorkKeys)+
		len(cfg.MiningAddrs))
	for _, strAddr := range cfg.GetWorkKeys {
		addr, err := coinutil.DecodeAddress(strAddr,
			activeNetParams.Params)
		if err != nil {
			str := "%s: getworkkey '%s' failed to decode: %v"
			err := fmt.Errorf(str, funcName, strAddr, err)
			fmt.Fprintln(os.Stderr, err)
			fmt.Fprintln(os.Stderr, usageMessage)
			return nil, nil, err
		}
		if !addr.IsForNet(activeNetParams.Params) {
			str := "%s: getworkkey '%s' is on the wrong network"
			err := fmt.Errorf(str, funcName, strAddr)
			fmt.Fprintln(os.Stderr, err)
			fmt.Fprintln(os.Stderr, usageMessage)
			return nil, nil, err
		}
		cfg.miningAddrs = append(cfg.miningAddrs, addr)
	}

	// Check mining addresses are valid and saved parsed versions.
	for _, strAddr := range cfg.MiningAddrs {
		addr, err := coinutil.DecodeAddress(strAddr, activeNetParams.Params)
		if err != nil {
			str := "%s: mining address '%s' failed to decode: %v"
			err := fmt.Errorf(str, funcName, strAddr, err)
			fmt.Fprintln(os.Stderr, err)
			fmt.Fprintln(os.Stderr, usageMessage)
			return nil, nil, err
		}
		if !addr.IsForNet(activeNetParams.Params) {
			str := "%s: mining address '%s' is on the wrong network"
			err := fmt.Errorf(str, funcName, strAddr)
			fmt.Fprintln(os.Stderr, err)
			fmt.Fprintln(os.Stderr, usageMessage)
			return nil, nil, err
		}
		cfg.miningAddrs = append(cfg.miningAddrs, addr)
	}

	// Ensure there is at least one mining address when the generate flag is
	// set.
	if cfg.Generate && len(cfg.MiningAddrs) == 0 {
		str := "%s: the generate flag is set, but there are no mining " +
			"addresses specified "
		err := fmt.Errorf(str, funcName)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Add default port to all listener addresses if needed and remove
	// duplicate addresses.
	cfg.Listeners = normalizeAddresses(cfg.Listeners,
		activeNetParams.DefaultPort)

	// Add default port to all rpc listener addresses if needed and remove
	// duplicate addresses.
	cfg.RPCListeners = normalizeAddresses(cfg.RPCListeners,
		activeNetParams.rpcPort)

	// Only allow TLS to be disabled if the RPC is bound to localhost
	// addresses.
	if !cfg.DisableRPC && cfg.DisableTLS {
		allowedTLSListeners := map[string]struct{}{
			"localhost": struct{}{},
			"127.0.0.1": struct{}{},
			"::1":       struct{}{},
		}
		for _, addr := range cfg.RPCListeners {
			host, _, err := net.SplitHostPort(addr)
			if err != nil {
				str := "%s: RPC listen interface '%s' is " +
					"invalid: %v"
				err := fmt.Errorf(str, funcName, addr, err)
				fmt.Fprintln(os.Stderr, err)
				fmt.Fprintln(os.Stderr, usageMessage)
				return nil, nil, err
			}
			if _, ok := allowedTLSListeners[host]; !ok {
				str := "%s: the --notls option may not be used " +
					"when binding RPC to non localhost " +
					"addresses: %s"
				err := fmt.Errorf(str, funcName, addr)
				fmt.Fprintln(os.Stderr, err)
				fmt.Fprintln(os.Stderr, usageMessage)
				return nil, nil, err
			}
		}
	}

	// Add default port to all added peer addresses if needed and remove
	// duplicate addresses.
	cfg.AddPeers = normalizeAddresses(cfg.AddPeers,
		activeNetParams.DefaultPort)
	cfg.ConnectPeers = normalizeAddresses(cfg.ConnectPeers,
		activeNetParams.DefaultPort)

	// Tor stream isolation requires either proxy or onion proxy to be set.
	if cfg.TorIsolation && cfg.Proxy == "" && cfg.OnionProxy == "" {
		str := "%s: Tor stream isolation requires either proxy or " +
			"onionproxy to be set"
		err := fmt.Errorf(str, funcName)
		fmt.Fprintln(os.Stderr, err)
		fmt.Fprintln(os.Stderr, usageMessage)
		return nil, nil, err
	}

	// Setup dial and DNS resolution (lookup) functions depending on the
	// specified options.  The default is to use the standard net.Dial
	// function as well as the system DNS resolver.  When a proxy is
	// specified, the dial function is set to the proxy specific dial
	// function and the lookup is set to use tor (unless --noonion is
	// specified in which case the system DNS resolver is used).
	cfg.dial = net.Dial
	cfg.lookup = net.LookupIP
	if cfg.Proxy != "" {
		_, _, err := net.SplitHostPort(cfg.Proxy)
		if err != nil {
			str := "%s: Proxy address '%s' is invalid: %v"
			err := fmt.Errorf(str, funcName, cfg.Proxy, err)
			fmt.Fprintln(os.Stderr, err)
			fmt.Fprintln(os.Stderr, usageMessage)
			return nil, nil, err
		}

		if cfg.TorIsolation &&
			(cfg.ProxyUser != "" || cfg.ProxyPass != "") {
			btcdLog.Warn("Tor isolation set -- overriding " +
				"specified proxy user credentials")
		}

		proxy := &socks.Proxy{
			Addr:         cfg.Proxy,
			Username:     cfg.ProxyUser,
			Password:     cfg.ProxyPass,
			TorIsolation: cfg.TorIsolation,
		}
		cfg.dial = proxy.Dial
		if !cfg.NoOnion {
			cfg.lookup = func(host string) ([]net.IP, error) {
				return torLookupIP(host, cfg.Proxy)
			}
		}
	}

	// Setup onion address dial and DNS resolution (lookup) functions
	// depending on the specified options.  The default is to use the
	// same dial and lookup functions selected above.  However, when an
	// onion-specific proxy is specified, the onion address dial and
	// lookup functions are set to use the onion-specific proxy while
	// leaving the normal dial and lookup functions as selected above.
	// This allows .onion address traffic to be routed through a different
	// proxy than normal traffic.
	if cfg.OnionProxy != "" {
		_, _, err := net.SplitHostPort(cfg.OnionProxy)
		if err != nil {
			str := "%s: Onion proxy address '%s' is invalid: %v"
			err := fmt.Errorf(str, funcName, cfg.OnionProxy, err)
			fmt.Fprintln(os.Stderr, err)
			fmt.Fprintln(os.Stderr, usageMessage)
			return nil, nil, err
		}

		if cfg.TorIsolation &&
			(cfg.OnionProxyUser != "" || cfg.OnionProxyPass != "") {
			btcdLog.Warn("Tor isolation set -- overriding " +
				"specified onionproxy user credentials ")
		}

		cfg.oniondial = func(a, b string) (net.Conn, error) {
			proxy := &socks.Proxy{
				Addr:         cfg.OnionProxy,
				Username:     cfg.OnionProxyUser,
				Password:     cfg.OnionProxyPass,
				TorIsolation: cfg.TorIsolation,
			}
			return proxy.Dial(a, b)
		}
		cfg.onionlookup = func(host string) ([]net.IP, error) {
			return torLookupIP(host, cfg.OnionProxy)
		}
	} else {
		cfg.oniondial = cfg.dial
		cfg.onionlookup = cfg.lookup
	}

	// Specifying --noonion means the onion address dial and DNS resolution
	// (lookup) functions result in an error.
	if cfg.NoOnion {
		cfg.oniondial = func(a, b string) (net.Conn, error) {
			return nil, errors.New("tor has been disabled")
		}
		cfg.onionlookup = func(a string) ([]net.IP, error) {
			return nil, errors.New("tor has been disabled")
		}
	}

	// Warn about missing config file only after all other configuration is
	// done.  This prevents the warning on help messages and invalid
	// options.  Note this should go directly before the return.
	if configFileError != nil {
		btcdLog.Warnf("%v", configFileError)
	}

	return &cfg, remainingArgs, nil
}