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block_view_message_test.go
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2440 lines (2230 loc) · 95.3 KB
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package lib
import (
"bytes"
"encoding/hex"
"fmt"
ecdsa2 "github.com/decred/dcrd/dcrec/secp256k1/v4/ecdsa"
"reflect"
"strings"
"testing"
"time"
"github.com/btcsuite/btcd/btcec/v2"
"github.com/dgraph-io/badger/v3"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestBasePointSignature(t *testing.T) {
require := require.New(t)
// Retrieve the base point bytes and parse them to a public key.
basePointBytes := GetS256BasePointCompressed()
basePoint, err := btcec.ParsePubKey(basePointBytes)
require.NoError(err)
// Verify that k = 1 is the correct private key for the secp256k1 base point
priveKeyBytes := []byte{1}
priveKey, publicKey := btcec.PrivKeyFromBytes(priveKeyBytes)
require.Equal(basePointBytes, publicKey.SerializeCompressed())
require.Equal(basePoint.SerializeCompressed(), publicKey.SerializeCompressed())
// Now test signing messages with the private key of the base point k = 1.
message := []byte("Test message")
messageHash := Sha256DoubleHash(message)
messageSignature := ecdsa2.Sign(priveKey, messageHash[:])
// Now make sure the base point passes signature verification.
require.Equal(true, messageSignature.Verify(messageHash[:], basePoint))
}
func _privateMessage(
t *testing.T, chain *Blockchain, db *badger.DB, params *DeSoParams, feeRateNanosPerKB uint64,
senderPkBase58Check string, recipientPkBase58Check string, senderPrivBase58Check string,
unencryptedMessageText string, tstampNanos uint64) (
_utxoOps []*UtxoOperation, _txn *MsgDeSoTxn, _height uint32, _err error,
) {
return _privateMessageWithExtraData(
t, chain, db, params, feeRateNanosPerKB,
senderPkBase58Check, recipientPkBase58Check, senderPrivBase58Check, unencryptedMessageText, tstampNanos, nil,
)
}
func _privateMessageWithExtraData(t *testing.T, chain *Blockchain, db *badger.DB,
params *DeSoParams, feeRateNanosPerKB uint64, senderPkBase58Check string,
recipientPkBase58Check string,
senderPrivBase58Check string, unencryptedMessageText string, tstampNanos uint64, extraData map[string][]byte) (
_utxoOps []*UtxoOperation, _txn *MsgDeSoTxn, _height uint32, _err error) {
assert := assert.New(t)
require := require.New(t)
_ = assert
_ = require
senderPkBytes, _, err := Base58CheckDecode(senderPkBase58Check)
require.NoError(err)
recipientPkBytes, _, err := Base58CheckDecode(recipientPkBase58Check)
require.NoError(err)
utxoView := NewUtxoView(db, params, nil, chain.snapshot, nil)
txn, totalInputMake, changeAmountMake, feesMake, err := chain.CreatePrivateMessageTxn(
senderPkBytes, recipientPkBytes, unencryptedMessageText, "",
[]byte{}, []byte{}, []byte{}, []byte{},
tstampNanos, extraData, feeRateNanosPerKB, nil, []*DeSoOutput{})
if err != nil {
return nil, nil, 0, err
}
require.Equal(totalInputMake, changeAmountMake+feesMake)
// Sign the transaction now that its inputs are set up.
_signTxn(t, txn, senderPrivBase58Check)
txHash := txn.Hash()
// Always use height+1 for validation since it's assumed the transaction will
// get mined into the next block.
blockHeight := chain.blockTip().Height + 1
utxoOps, totalInput, totalOutput, fees, err :=
utxoView.ConnectTransaction(txn, txHash, blockHeight, 0, true, false)
// ConnectTransaction should treat the amount locked as contributing to the
// output.
if err != nil {
return nil, nil, 0, err
}
require.Equal(totalInput, totalOutput+fees)
require.Equal(totalInput, totalInputMake)
if blockHeight < params.ForkHeights.BalanceModelBlockHeight {
// We should have one SPEND UtxoOperation for each input, one ADD operation
// for each output, and one OperationTypePrivateMessage operation at the end.
require.Equal(len(txn.TxInputs)+len(txn.TxOutputs)+1, len(utxoOps))
for ii := 0; ii < len(txn.TxInputs); ii++ {
require.Equal(OperationTypeSpendUtxo, utxoOps[ii].Type)
}
} else {
require.Equal(OperationTypeSpendBalance, utxoOps[0].Type)
}
require.Equal(OperationTypePrivateMessage, utxoOps[len(utxoOps)-1].Type)
require.NoError(utxoView.FlushToDb(0))
return utxoOps, txn, blockHeight, nil
}
func TestBalanceModelPrivateMessages(t *testing.T) {
setBalanceModelBlockHeights(t)
t.Run("TestPrivateMessages", TestPrivateMessages)
t.Run("TestMessagingKeys", TestMessagingKeys)
t.Run("TestGroupMessages", TestGroupMessages)
}
func TestPrivateMessage(t *testing.T) {
assert := assert.New(t)
require := require.New(t)
_ = assert
_ = require
chain, params, db := NewLowDifficultyBlockchain(t)
mempool, miner := NewTestMiner(t, chain, params, true /*isSender*/)
// Allow extra data
params.ForkHeights.ExtraDataOnEntriesBlockHeight = uint32(0)
// Mine a few blocks to give the senderPkString some money.
_, err := miner.MineAndProcessSingleBlock(0 /*threadIndex*/, mempool)
require.NoError(err)
_, err = miner.MineAndProcessSingleBlock(0 /*threadIndex*/, mempool)
require.NoError(err)
_, err = miner.MineAndProcessSingleBlock(0 /*threadIndex*/, mempool)
require.NoError(err)
_, err = miner.MineAndProcessSingleBlock(0 /*threadIndex*/, mempool)
require.NoError(err)
// Setup some convenience functions for the test.
txnOps := [][]*UtxoOperation{}
txns := []*MsgDeSoTxn{}
expectedSenderBalances := []uint64{}
expectedRecipientBalances := []uint64{}
// We take the block tip to be the blockchain height rather than the
// header chain height.
savedHeight := chain.blockTip().Height + 1
registerOrTransfer := func(username string,
senderPk string, recipientPk string, senderPriv string) {
expectedSenderBalances = append(expectedSenderBalances, _getBalance(t, chain, nil, senderPkString))
expectedRecipientBalances = append(expectedRecipientBalances, _getBalance(t, chain, nil, recipientPkString))
currentOps, currentTxn, _ := _doBasicTransferWithViewFlush(
t, chain, db, params, senderPk, recipientPk,
senderPriv, 7 /*amount to send*/, 11 /*feerate*/)
txnOps = append(txnOps, currentOps)
txns = append(txns, currentTxn)
}
// Fund all the keys.
registerOrTransfer("", senderPkString, m0Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m2Pub, senderPrivString)
registerOrTransfer("", senderPkString, m2Pub, senderPrivString)
registerOrTransfer("", senderPkString, m3Pub, senderPrivString)
registerOrTransfer("", senderPkString, m3Pub, senderPrivString)
registerOrTransfer("", senderPkString, m3Pub, senderPrivString)
registerOrTransfer("", senderPkString, m4Pub, senderPrivString)
registerOrTransfer("", senderPkString, m4Pub, senderPrivString)
registerOrTransfer("", senderPkString, m4Pub, senderPrivString)
privateMessageWithExtraData := func(
senderPkBase58Check string, recipientPkBase58Check string,
senderPrivBase58Check string, unencryptedMessageText string, tstampNanos uint64, extraData map[string][]byte,
feeRateNanosPerKB uint64) {
expectedSenderBalances = append(expectedSenderBalances, _getBalance(t, chain, nil, senderPkString))
expectedRecipientBalances = append(expectedRecipientBalances, _getBalance(t, chain, nil, recipientPkString))
currentOps, currentTxn, _, err := _privateMessageWithExtraData(
t, chain, db, params, feeRateNanosPerKB, senderPkBase58Check,
recipientPkBase58Check, senderPrivBase58Check, unencryptedMessageText, tstampNanos, extraData)
require.NoError(err)
txnOps = append(txnOps, currentOps)
txns = append(txns, currentTxn)
}
privateMessage := func(
senderPkBase58Check string, recipientPkBase58Check string,
senderPrivBase58Check string, unencryptedMessageText string, tstampNanos uint64,
feeRateNanosPerKB uint64) {
privateMessageWithExtraData(senderPkBase58Check, recipientPkBase58Check, senderPrivBase58Check,
unencryptedMessageText, tstampNanos, nil, feeRateNanosPerKB)
}
// ===================================================================================
// Do some PrivateMessage transactions
// ===================================================================================
tstamp1 := uint64(time.Now().UnixNano())
message1 := string(append([]byte("message1: "), RandomBytes(100)...))
tstamp2 := uint64(time.Now().UnixNano())
message2 := string(append([]byte("message2: "), RandomBytes(100)...))
tstamp3 := uint64(time.Now().UnixNano())
message3 := string(append([]byte("message3: "), RandomBytes(100)...))
tstamp4 := uint64(time.Now().UnixNano())
message4 := string(append([]byte("message4: "), RandomBytes(100)...))
message5 := string(append([]byte("message5: "), RandomBytes(100)...))
message6 := string(append([]byte("message6: "), RandomBytes(100)...))
// Because M1 actually evaluates two consecutive time.Now().UnixNano() to the same number lol!
if tstamp1 == tstamp2 {
tstamp2 += uint64(1)
tstamp3 += uint64(1)
tstamp4 += uint64(1)
}
if tstamp2 == tstamp3 {
tstamp3 += uint64(1)
tstamp4 += uint64(1)
}
if tstamp3 == tstamp4 {
tstamp4 += uint64(1)
}
// Message where the sender is the recipient should fail.
_, _, _, err = _privateMessage(
t, chain, db, params, 10 /*feeRateNanosPerKB*/, m0Pub,
m0Pub, m0Priv, "test" /*unencryptedMessageText*/, tstamp1)
require.Error(err)
require.Contains(err.Error(), RuleErrorPrivateMessageSenderPublicKeyEqualsRecipientPublicKey)
// Message with length too long should fail.
badMessage := string(append([]byte("badMessage: "),
RandomBytes(int32(params.MaxPrivateMessageLengthBytes))...))
_, _, _, err = _privateMessage(
t, chain, db, params, 0 /*feeRateNanosPerKB*/, m0Pub,
m1Pub, m0Priv, badMessage /*unencryptedMessageText*/, tstamp1)
require.Error(err)
require.Contains(err.Error(), RuleErrorPrivateMessageEncryptedTextLengthExceedsMax)
// Zero tstamp should fail.
_, _, _, err = _privateMessage(
t, chain, db, params, 0 /*feeRateNanosPerKB*/, m0Pub,
m1Pub, m0Priv, message1 /*unencryptedMessageText*/, 0)
require.Error(err)
require.Contains(err.Error(), RuleErrorPrivateMessageTstampIsZero)
// m0 -> m1: message1, tstamp1
privateMessage(
m0Pub, m1Pub, m0Priv, message1, tstamp1, 0 /*feeRateNanosPerKB*/)
// Duplicating (m0, tstamp1) should fail.
_, _, _, err = _privateMessage(
t, chain, db, params, 0 /*feeRateNanosPerKB*/, m0Pub,
m1Pub, m0Priv, message1 /*unencryptedMessageText*/, tstamp1)
require.Error(err)
require.Contains(err.Error(), RuleErrorPrivateMessageExistsWithSenderPublicKeyTstampTuple)
// Duplicating (m1, tstamp1) should fail.
_, _, _, err = _privateMessage(
t, chain, db, params, 0 /*feeRateNanosPerKB*/, m1Pub,
m0Pub, m1Priv, message1 /*unencryptedMessageText*/, tstamp1)
require.Error(err)
require.Contains(err.Error(), RuleErrorPrivateMessageExistsWithSenderPublicKeyTstampTuple)
// Duplicating (m0, tstamp1) with a different sender should still fail.
_, _, _, err = _privateMessage(
t, chain, db, params, 0 /*feeRateNanosPerKB*/, m2Pub,
m0Pub, m2Priv, message1 /*unencryptedMessageText*/, tstamp1)
require.Error(err)
require.Contains(err.Error(), RuleErrorPrivateMessageExistsWithRecipientPublicKeyTstampTuple)
// Duplicating (m1, tstamp1) with a different sender should still fail.
_, _, _, err = _privateMessage(
t, chain, db, params, 0 /*feeRateNanosPerKB*/, m2Pub,
m1Pub, m2Priv, message1 /*unencryptedMessageText*/, tstamp1)
require.Error(err)
require.Contains(err.Error(), RuleErrorPrivateMessageExistsWithRecipientPublicKeyTstampTuple)
// m2 -> m1: message2, tstamp2
privateMessage(
m2Pub, m1Pub, m2Priv, message2, tstamp2, 10 /*feeRateNanosPerKB*/)
// m3 -> m1: message3, tstamp3
privateMessage(
m3Pub, m1Pub, m3Priv, message3, tstamp3, 10 /*feeRateNanosPerKB*/)
// m2 -> m1: message4Str, tstamp4
privateMessage(
m1Pub, m2Pub, m1Priv, message4, tstamp4, 10 /*feeRateNanosPerKB*/)
// m2 -> m3: message5Str, tstamp1
// Using tstamp1 should be OK since the message is between two new users.
privateMessage(
m2Pub, m3Pub, m2Priv, message5, tstamp1, 10 /*feeRateNanosPerKB*/)
// m4 -> m5
m4MessageExtraData := map[string][]byte{
"extraextra": []byte("readallaboutit"),
}
privateMessageWithExtraData(m4Pub, m5Pub, m4Priv, message6, tstamp4, m4MessageExtraData, 10)
// Verify that the messages are as we expect them in the db.
// 1: m0 m1
// 2: m2 m1
// 3: m3 m1
// 4: m1 m2
// 5: m2 m3
// 6: m4 m5
// => m0: 1
// m1: 4
// m2: 3
// m3: 2
// m4: 1
// m5: 1
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m0Pub))
require.NoError(err)
require.Equal(1, len(messages))
messageEntry := messages[0]
require.Equal(messageEntry.SenderPublicKey[:], _strToPk(t, m0Pub))
require.Equal(messageEntry.RecipientPublicKey[:], _strToPk(t, m1Pub))
require.Equal(messageEntry.TstampNanos, tstamp1)
require.Equal(messageEntry.isDeleted, false)
priv, _ := btcec.PrivKeyFromBytes(_strToPk(t, m1Priv))
decryptedBytes, err := DecryptBytesWithPrivateKey(messageEntry.EncryptedText, priv.ToECDSA())
require.NoError(err)
require.Equal(message1, string(decryptedBytes))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m1Pub))
require.NoError(err)
require.Equal(4, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m2Pub))
require.NoError(err)
require.Equal(3, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m3Pub))
require.NoError(err)
require.Equal(2, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m4Pub))
require.NoError(err)
require.Equal(1, len(messages))
require.Equal(messages[0].ExtraData["extraextra"], []byte("readallaboutit"))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m5Pub))
require.NoError(err)
require.Equal(1, len(messages))
require.Equal(messages[0].ExtraData["extraextra"], []byte("readallaboutit"))
}
// ===================================================================================
// Finish it off with some transactions
// ===================================================================================
registerOrTransfer("", senderPkString, m0Pub, senderPrivString)
registerOrTransfer("", senderPkString, m0Pub, senderPrivString)
registerOrTransfer("", senderPkString, m0Pub, senderPrivString)
registerOrTransfer("", senderPkString, m0Pub, senderPrivString)
registerOrTransfer("", senderPkString, m0Pub, senderPrivString)
registerOrTransfer("", senderPkString, m0Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", m0Pub, m1Pub, m0Priv)
registerOrTransfer("", m1Pub, m0Pub, m1Priv)
registerOrTransfer("", m1Pub, m0Pub, m1Priv)
registerOrTransfer("", m0Pub, m1Pub, m0Priv)
registerOrTransfer("", m1Pub, m0Pub, m1Priv)
registerOrTransfer("", m0Pub, m1Pub, m0Priv)
registerOrTransfer("", m1Pub, m0Pub, m1Priv)
registerOrTransfer("", m0Pub, m1Pub, m0Priv)
registerOrTransfer("", m1Pub, m0Pub, m1Priv)
registerOrTransfer("", m1Pub, m0Pub, m1Priv)
registerOrTransfer("", m0Pub, m1Pub, m0Priv)
registerOrTransfer("", m0Pub, m1Pub, m0Priv)
registerOrTransfer("", m0Pub, m1Pub, m0Priv)
getConditionalBalance := GetConditionalBalanceFunc(chain, params)
// Roll back all of the above using the utxoOps from each.
for ii := 0; ii < len(txnOps); ii++ {
backwardIter := len(txnOps) - 1 - ii
currentOps := txnOps[backwardIter]
currentTxn := txns[backwardIter]
fmt.Printf("Disconnecting transaction with type %v index %d (going backwards)\n", currentTxn.TxnMeta.GetTxnType(), backwardIter)
utxoView := NewUtxoView(db, params, nil, chain.snapshot, nil)
currentHash := currentTxn.Hash()
err = utxoView.DisconnectTransaction(currentTxn, currentHash, currentOps, savedHeight)
require.NoError(err)
require.NoError(utxoView.FlushToDb(0))
// After disconnecting, the balances should be restored to what they
// were before this transaction was applied.
require.Equal(expectedSenderBalances[backwardIter], _getBalance(t, chain, nil, senderPkString))
require.Equal(expectedRecipientBalances[backwardIter], _getBalance(t, chain, nil, recipientPkString))
}
// Verify that all the messages have been deleted.
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m0Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m1Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m2Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m3Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m4Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m5Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
// Apply all the transactions to a mempool object and make sure we don't get any
// errors. Verify the balances align as we go.
for ii, tx := range txns {
// See comment above on this transaction.
fmt.Printf("Adding txn %d of type %v to mempool\n", ii, tx.TxnMeta.GetTxnType())
require.Equal(expectedSenderBalances[ii], _getBalance(t, chain, mempool, senderPkString))
require.Equal(expectedRecipientBalances[ii], _getBalance(t, chain, mempool, recipientPkString))
acceptedTxns, err := mempool.ProcessTransaction(tx, false, false, 0, true)
require.NoError(err, "Problem adding transaction %d to mempool: %v", ii, tx)
require.Equal(1, len(acceptedTxns))
}
// Apply all the transactions to a view and flush the view to the db.
utxoView := NewUtxoView(db, params, nil, chain.snapshot, nil)
for ii, txn := range txns {
fmt.Printf("Adding txn %v of type %v to UtxoView\n", ii, txn.TxnMeta.GetTxnType())
// Always use height+1 for validation since it's assumed the transaction will
// get mined into the next block.
txHash := txn.Hash()
blockHeight := chain.blockTip().Height + 1
_, _, _, _, err :=
utxoView.ConnectTransaction(txn, txHash, blockHeight, 0, true, false)
require.NoError(err)
}
// Flush the utxoView after having added all the transactions.
require.NoError(utxoView.FlushToDb(0))
// Disonnect the transactions from a single view in the same way as above
// i.e. without flushing each time.
utxoView2 := NewUtxoView(db, params, nil, chain.snapshot, nil)
for ii := 0; ii < len(txnOps); ii++ {
backwardIter := len(txnOps) - 1 - ii
fmt.Printf("Disconnecting transaction with index %d (going backwards)\n", backwardIter)
currentOps := txnOps[backwardIter]
currentTxn := txns[backwardIter]
currentHash := currentTxn.Hash()
err = utxoView2.DisconnectTransaction(currentTxn, currentHash, currentOps, savedHeight)
require.NoError(err)
}
require.NoError(utxoView2.FlushToDb(0))
require.Equal(expectedSenderBalances[0], _getBalance(t, chain, nil, senderPkString))
require.Equal(expectedRecipientBalances[0], _getBalance(t, chain, nil, recipientPkString))
// Verify that all the messages have been deleted.
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m0Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m1Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m2Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m3Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m4Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m5Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
// Try and estimate the fees in a situation where the last block contains just a
// block reward.
{
// Fee should just equal the min passed in because the block has so few transactions.
require.Equal(int64(0), int64(chain.EstimateDefaultFeeRateNanosPerKB(.1, 0)))
require.Equal(int64(7), int64(chain.EstimateDefaultFeeRateNanosPerKB(.1, 7)))
require.Equal(int64(7), int64(chain.EstimateDefaultFeeRateNanosPerKB(0, 7)))
require.Equal(int64(0), int64(chain.EstimateDefaultFeeRateNanosPerKB(.1, 0)))
require.Equal(int64(1), int64(chain.EstimateDefaultFeeRateNanosPerKB(.1, 1)))
require.Equal(int64(1), int64(chain.EstimateDefaultFeeRateNanosPerKB(0, 1)))
}
// All the txns should be in the mempool already so mining a block should put
// all those transactions in it.
block, err := miner.MineAndProcessSingleBlock(0 /*threadIndex*/, mempool)
require.NoError(err)
// Add one for the block reward. Now we have a meaty block.
require.Equal(len(txnOps)+1, len(block.Txns))
// Estimate the transaction fees of the tip block in various ways.
{
// Threshold above what's in the block should return the default fee at all times.
require.Equal(int64(0), int64(chain.EstimateDefaultFeeRateNanosPerKB(.1, 0)))
require.Equal(int64(7), int64(chain.EstimateDefaultFeeRateNanosPerKB(.1, 7)))
// Threshold below what's in the block should return the max of the median
// and the minfee. This means with a low minfee the value returned should be
// higher. And with a high minfee the value returned should be equal to the
// fee.
require.Equal(int64(7), int64(chain.EstimateDefaultFeeRateNanosPerKB(0, 7)))
require.Equal(getConditionalBalance(4, 6), chain.EstimateDefaultFeeRateNanosPerKB(0, 0))
require.Equal(int64(7), int64(chain.EstimateDefaultFeeRateNanosPerKB(.01, 7)))
require.Equal(getConditionalBalance(4, 7), chain.EstimateDefaultFeeRateNanosPerKB(.01, 1))
}
// Roll back the block and make sure we don't hit any errors.
{
utxoView := NewUtxoView(db, params, nil, chain.snapshot, nil)
// Fetch the utxo operations for the block we're detaching. We need these
// in order to be able to detach the block.
hash, err := block.Header.Hash()
require.NoError(err)
utxoOps, err := GetUtxoOperationsForBlock(db, chain.snapshot, hash)
require.NoError(err)
// Compute the hashes for all the transactions.
txHashes, err := ComputeTransactionHashes(block.Txns)
require.NoError(err)
require.NoError(utxoView.DisconnectBlock(block, txHashes, utxoOps, 0))
// Flushing the view after applying and rolling back should work.
require.NoError(utxoView.FlushToDb(0))
}
// Verify that all the messages have been deleted.
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m0Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m1Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m2Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m3Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m4Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
{
messages, err := DBGetMessageEntriesForPublicKey(db, _strToPk(t, m5Pub))
require.NoError(err)
require.Equal(0, len(messages))
}
}
// _generateMessagingKey is used to generate a random messaging key and the signed hash(publicKey || keyName).
func _generateMessagingKey(senderPub []byte, senderPriv []byte, keyName []byte) (
priv *btcec.PrivateKey, sign []byte, messagingKeyEntry *MessagingGroupEntry) {
senderPrivKey, _ := btcec.PrivKeyFromBytes(senderPriv)
priv, _ = btcec.NewPrivateKey()
pub := priv.PubKey().SerializeCompressed()
payload := append(pub, keyName...)
signature := ecdsa2.Sign(senderPrivKey, Sha256DoubleHash(payload)[:])
return priv, signature.Serialize(), _initMessagingKey(senderPub, pub, keyName)
}
// _messagingKey adds a messaging key entry to a new utxo and flushes to DB.
func _messagingKey(t *testing.T, chain *Blockchain, db *badger.DB, params *DeSoParams,
senderPk []byte, signerPriv string, messagingPublicKey []byte, messagingKeyName []byte,
keySignature []byte, recipients []*MessagingGroupMember) ([]*UtxoOperation, *MsgDeSoTxn, error) {
return _messagingKeyWithExtraData(t, chain, db, params, senderPk, signerPriv, messagingPublicKey, messagingKeyName, keySignature, recipients, nil)
}
func _messagingKeyWithExtraData(t *testing.T, chain *Blockchain, db *badger.DB, params *DeSoParams,
senderPk []byte, signerPriv string, messagingPublicKey []byte, messagingKeyName []byte,
keySignature []byte, recipients []*MessagingGroupMember, extraData map[string][]byte) (
[]*UtxoOperation, *MsgDeSoTxn, error) {
require := require.New(t)
txn, totalInputMake, changeAmountMake, feesMake, err := chain.CreateMessagingKeyTxn(
senderPk, messagingPublicKey, messagingKeyName, keySignature,
recipients, extraData, 10, nil, []*DeSoOutput{})
require.NoError(err)
require.Equal(totalInputMake, changeAmountMake+feesMake)
utxoView := NewUtxoView(db, params, nil, chain.snapshot, nil)
_signTxn(t, txn, signerPriv)
txHash := txn.Hash()
blockHeight := chain.blockTip().Height + 1
utxoOps, totalInput, totalOutput, fees, err :=
utxoView.ConnectTransaction(txn, txHash, blockHeight, 0, true, false)
if err != nil {
return nil, nil, err
}
require.Equal(totalInput, totalOutput+fees)
require.Equal(totalInput, totalInputMake)
if blockHeight < params.ForkHeights.BalanceModelBlockHeight {
// We should have one SPEND UtxoOperation for each input, one ADD operation
// for each output, and one OperationTypePrivateMessage operation at the end.
require.Equal(len(txn.TxInputs)+len(txn.TxOutputs)+1, len(utxoOps))
for ii := 0; ii < len(txn.TxInputs); ii++ {
require.Equal(OperationTypeSpendUtxo, utxoOps[ii].Type)
}
} else {
require.Equal(OperationTypeSpendBalance, utxoOps[0].Type)
}
require.Equal(OperationTypeMessagingKey, utxoOps[len(utxoOps)-1].Type)
require.NoError(utxoView.FlushToDb(0))
return utxoOps, txn, err
}
func _messagingKeyWithTestMeta(testMeta *TestMeta, senderPk []byte, signerPriv string,
messagingPublicKey []byte, messagingKeyName []byte, keySignature []byte, recipients []*MessagingGroupMember,
expectedError error) {
_messagingKeyWithExtraDataWithTestMeta(testMeta, senderPk, signerPriv, messagingPublicKey, messagingKeyName,
keySignature, recipients, nil, expectedError)
}
// _messagingKeyWithTestMeta is used to connect and flush a messaging key to the DB.
func _messagingKeyWithExtraDataWithTestMeta(testMeta *TestMeta, senderPk []byte, signerPriv string,
messagingPublicKey []byte, messagingKeyName []byte, keySignature []byte, recipients []*MessagingGroupMember,
extraData map[string][]byte, expectedError error) {
require := require.New(testMeta.t)
assert := assert.New(testMeta.t)
senderPkBase58Check := Base58CheckEncode(senderPk, false, testMeta.params)
balance := _getBalance(testMeta.t, testMeta.chain, nil, senderPkBase58Check)
utxoOps, txn, err := _messagingKeyWithExtraData(testMeta.t, testMeta.chain, testMeta.db, testMeta.params,
senderPk, signerPriv, messagingPublicKey, messagingKeyName, keySignature, recipients, extraData)
if expectedError != nil {
assert.Equal(true, strings.Contains(err.Error(), expectedError.Error()))
return
}
require.NoError(err)
testMeta.expectedSenderBalances = append(
testMeta.expectedSenderBalances, balance)
testMeta.txnOps = append(testMeta.txnOps, utxoOps)
testMeta.txns = append(testMeta.txns, txn)
}
// _verifyMessagingKey allows us to verify that a messaging key was properly connected to utxoView and
// that it matches the expected entry that's provided.
func _verifyMessagingKey(testMeta *TestMeta, publicKey *PublicKey, entry *MessagingGroupEntry) bool {
var utxoMessagingEntry *MessagingGroupEntry
messagingKey := NewMessagingGroupKey(publicKey, entry.MessagingGroupKeyName[:])
utxoView := NewUtxoView(testMeta.db, testMeta.params, nil, testMeta.chain.snapshot, nil)
utxoMessagingEntry = utxoView.GetMessagingGroupKeyToMessagingGroupEntryMapping(messagingKey)
if utxoMessagingEntry == nil || utxoMessagingEntry.isDeleted {
return false
}
return reflect.DeepEqual(EncodeToBytes(0, utxoMessagingEntry), EncodeToBytes(0, entry))
}
// _verifyAddedMessagingKeys is used to verify that messaging key entries in db match the expected entries.
func _verifyAddedMessagingKeys(testMeta *TestMeta, publicKey []byte, expectedEntries []*MessagingGroupEntry) {
require := require.New(testMeta.t)
assert := assert.New(testMeta.t)
require.NoError(testMeta.chain.db.View(func(txn *badger.Txn) error {
// Get the DB record.
entries, err := DBGetAllUserGroupEntiresWithTxn(txn, publicKey)
require.NoError(err)
// Make sure the number of entries between the DB and expectation match.
assert.Equal(len(entries), len(expectedEntries))
// Verify entries one by one.
for _, expectedEntry := range expectedEntries {
expectedEntry.MessagingGroupMembers = sortMessagingGroupMembers(expectedEntry.MessagingGroupMembers)
ok := false
for _, entry := range entries {
if reflect.DeepEqual(EncodeToBytes(0, expectedEntry), EncodeToBytes(0, entry)) {
ok = true
break
}
}
assert.Equal(true, ok)
}
return nil
}))
}
// _initMessagingKey is a helper function that instantiates a MessagingGroupEntry.
func _initMessagingKey(senderPub []byte, messagingPublicKey []byte, messagingKeyName []byte) *MessagingGroupEntry {
return &MessagingGroupEntry{
GroupOwnerPublicKey: NewPublicKey(senderPub),
MessagingPublicKey: NewPublicKey(messagingPublicKey),
MessagingGroupKeyName: NewGroupKeyName(messagingKeyName),
}
}
func TestMessagingKeys(t *testing.T) {
require := require.New(t)
assert := assert.New(t)
_ = require
_ = assert
chain, params, db := NewLowDifficultyBlockchain(t)
mempool, miner := NewTestMiner(t, chain, params, true /*isSender*/)
// Allow extra data
params.ForkHeights.ExtraDataOnEntriesBlockHeight = uint32(0)
// Set the DeSo V3 messages block height to 0
params.ForkHeights.DeSoV3MessagesBlockHeight = 0
// Mine two blocks to give the sender some DeSo.
_, err := miner.MineAndProcessSingleBlock(0 /*threadIndex*/, mempool)
require.NoError(err)
_, err = miner.MineAndProcessSingleBlock(0 /*threadIndex*/, mempool)
require.NoError(err)
testMeta := &TestMeta{
t: t,
chain: chain,
params: params,
db: db,
mempool: mempool,
miner: miner,
savedHeight: chain.blockTip().Height + 1,
}
senderPkBytes, _, err := Base58CheckDecode(senderPkString)
require.NoError(err)
senderPrivBytes, _, err := Base58CheckDecode(senderPrivString)
require.NoError(err)
senderPublicKey := *NewPublicKey(senderPkBytes)
registerOrTransfer := func(username string,
senderPk string, recipientPk string, senderPriv string) {
_, _, _ = _doBasicTransferWithViewFlush(
t, chain, db, params, senderPk, recipientPk,
senderPriv, 7 /*amount to send*/, 11 /*feerate*/)
}
// Fund all the keys.
registerOrTransfer("", senderPkString, m0Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m1Pub, senderPrivString)
registerOrTransfer("", senderPkString, m2Pub, senderPrivString)
registerOrTransfer("", senderPkString, m2Pub, senderPrivString)
registerOrTransfer("", senderPkString, m3Pub, senderPrivString)
registerOrTransfer("", senderPkString, m3Pub, senderPrivString)
registerOrTransfer("", senderPkString, m3Pub, senderPrivString)
m0PubKey, _, err := Base58CheckDecode(m0Pub)
require.NoError(err)
m0PrivKey, _, err := Base58CheckDecode(m0Priv)
require.NoError(err)
m0PublicKey := *NewPublicKey(m0PubKey)
m1PubKey, _, err := Base58CheckDecode(m1Pub)
require.NoError(err)
m1PrivKey, _, err := Base58CheckDecode(m1Priv)
require.NoError(err)
m1PublicKey := *NewPublicKey(m1PubKey)
m2PubKey, _, err := Base58CheckDecode(m2Pub)
require.NoError(err)
m2PrivKey, _, err := Base58CheckDecode(m2Priv)
require.NoError(err)
m2PublicKey := *NewPublicKey(m2PubKey)
m3PubKey, _, err := Base58CheckDecode(m3Pub)
require.NoError(err)
m3PrivKey, _, err := Base58CheckDecode(m3Priv)
require.NoError(err)
m3PublicKey := *NewPublicKey(m3PubKey)
// -------------------------------------------------------------------------------------
// Test #1: Check that non-group-chat messaging keys are correctly set in UtxoView and flushed to DB
// -------------------------------------------------------------------------------------
// Entries is a map keeping track of messaging keys added for each public key. We will use it
// to validate the DB state after the flushes.
keyEntriesAdded := make(map[PublicKey][]*MessagingGroupEntry)
// Add base keys for all users. These keys are present by default because they're just the main user keys.
{
_, _, entry := _generateMessagingKey(senderPkBytes, senderPrivBytes, BaseGroupKeyName()[:])
entry.MessagingPublicKey = NewPublicKey(senderPkBytes)
keyEntriesAdded[senderPublicKey] = append(keyEntriesAdded[senderPublicKey], entry)
_, _, entry = _generateMessagingKey(m0PubKey, m0PrivKey, BaseGroupKeyName()[:])
entry.MessagingPublicKey = NewPublicKey(m0PubKey)
keyEntriesAdded[m0PublicKey] = append(keyEntriesAdded[m0PublicKey], entry)
_, _, entry = _generateMessagingKey(m1PubKey, m1PrivKey, BaseGroupKeyName()[:])
entry.MessagingPublicKey = NewPublicKey(m1PubKey)
keyEntriesAdded[m1PublicKey] = append(keyEntriesAdded[m1PublicKey], entry)
_, _, entry = _generateMessagingKey(m2PubKey, m2PrivKey, BaseGroupKeyName()[:])
entry.MessagingPublicKey = NewPublicKey(m2PubKey)
keyEntriesAdded[m2PublicKey] = append(keyEntriesAdded[m2PublicKey], entry)
_, _, entry = _generateMessagingKey(m3PubKey, m3PrivKey, BaseGroupKeyName()[:])
entry.MessagingPublicKey = NewPublicKey(m3PubKey)
keyEntriesAdded[m3PublicKey] = append(keyEntriesAdded[m3PublicKey], entry)
}
// First some failing tests.
// Sender tries to add base messaging key, must fail.
{
// Try adding base messaging key, should fail
baseKeyName := BaseGroupKeyName()
_, sign, entry := _generateMessagingKey(senderPkBytes, senderPrivBytes, baseKeyName[:])
// The base key has the same messaging public key as the owner's main key
entry.MessagingPublicKey = &senderPublicKey
// The base key should always be present in UtxoView. So we expect true.
require.Equal(true, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
_messagingKeyWithTestMeta(
testMeta,
senderPkBytes,
senderPrivString,
entry.MessagingPublicKey[:],
baseKeyName[:],
sign,
[]*MessagingGroupMember{},
RuleErrorMessagingKeyNameCannotBeZeros)
require.Equal(true, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
}
// Sender tries to add default messaging key without proper signature, must fail.
{
defaultKeyName := []byte("default-key")
_, _, entry := _generateMessagingKey(senderPkBytes, senderPrivBytes, defaultKeyName)
// The default key was not added so verification is false.
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
_messagingKeyWithTestMeta(
testMeta,
senderPkBytes,
senderPrivString,
entry.MessagingPublicKey[:],
defaultKeyName,
[]byte{},
[]*MessagingGroupMember{},
RuleErrorMessagingSignatureInvalid)
// Verification still fails because the txn wasn't successful.
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
}
// Sender tries adding default messaging key with malformed messaging public key, must fail.
{
defaultKeyName := []byte("default-key")
_, sign, entry := _generateMessagingKey(senderPkBytes, senderPrivBytes, defaultKeyName)
// The default key was not added so verification is false.
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
_messagingKeyWithTestMeta(
testMeta,
senderPkBytes,
senderPrivString,
entry.MessagingPublicKey[:15],
defaultKeyName,
sign,
[]*MessagingGroupMember{},
RuleErrorPubKeyLen)
// Verification still fails because the txn wasn't successful.
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
}
// Sender tries adding a messaging key with an empty messaging key name, must fail.
{
failingKeyName := []byte{}
_, _, entry := _generateMessagingKey(senderPkBytes, senderPrivBytes, failingKeyName)
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
_messagingKeyWithTestMeta(
testMeta,
senderPkBytes,
senderPrivString,
entry.MessagingPublicKey[:],
[]byte{},
[]byte{},
[]*MessagingGroupMember{},
RuleErrorMessagingKeyNameCannotBeZeros)
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
}
{
defaultKeyName := []byte("default-key")
_, _, entry := _generateMessagingKey(senderPkBytes, senderPrivBytes, defaultKeyName)
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
_messagingKeyWithTestMeta(
testMeta,
senderPkBytes,
senderPrivString,
entry.MessagingPublicKey[:],
append(defaultKeyName, NewGroupKeyName([]byte{})[:]...),
[]byte{},
[]*MessagingGroupMember{},
RuleErrorMessagingKeyNameTooLong)
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
}
// Now let's make a valid transaction.
// Sender tries adding correct default messaging key, this time it passes.
{
defaultKeyName := []byte("default-key")
_, sign, entry := _generateMessagingKey(senderPkBytes, senderPrivBytes, defaultKeyName)
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
_messagingKeyWithTestMeta(
testMeta,
senderPkBytes,
senderPrivString,
entry.MessagingPublicKey[:],
defaultKeyName,
sign,
[]*MessagingGroupMember{},
nil)
// Verification is now successful.
require.Equal(true, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
// Append the default key to the entries added for sender.
keyEntriesAdded[senderPublicKey] = append(keyEntriesAdded[senderPublicKey], entry)
}
// Sender tries adding some random messaging key, must pass.
{
// Try adding a non-default key without signature
randomKeyName := []byte("test-key-1")
_, _, entry := _generateMessagingKey(senderPkBytes, senderPrivBytes, randomKeyName)
require.Equal(false, _verifyMessagingKey(testMeta, &senderPublicKey, entry))
_messagingKeyWithTestMeta(
testMeta,
senderPkBytes,
senderPrivString,
entry.MessagingPublicKey[:],
randomKeyName,
[]byte{},
[]*MessagingGroupMember{},
nil)
// Verification is successful.
require.Equal(true, _verifyMessagingKey(testMeta, &senderPublicKey, entry))