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397 lines
10 KiB
397 lines
10 KiB
package state
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import (
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"github.com/tendermint/tendermint/account"
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"github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/types"
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"bytes"
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"testing"
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"time"
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)
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func execTxWithState(state *State, tx types.Tx, runCall bool) error {
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cache := NewBlockCache(state)
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err := ExecTx(cache, tx, runCall, nil)
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if err != nil {
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return err
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} else {
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cache.Sync()
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return nil
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}
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}
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func TestCopyState(t *testing.T) {
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// Generate a random state
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s0, privAccounts, _ := RandGenesisState(10, true, 1000, 5, true, 1000)
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s0Hash := s0.Hash()
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if len(s0Hash) == 0 {
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t.Error("Expected state hash")
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}
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// Check hash of copy
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s0Copy := s0.Copy()
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if !bytes.Equal(s0Hash, s0Copy.Hash()) {
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t.Error("Expected state copy hash to be the same")
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}
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// Mutate the original; hash should change.
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acc0Address := privAccounts[0].PubKey.Address()
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acc := s0.GetAccount(acc0Address)
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acc.Balance += 1
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// The account balance shouldn't have changed yet.
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if s0.GetAccount(acc0Address).Balance == acc.Balance {
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t.Error("Account balance changed unexpectedly")
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}
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// Setting, however, should change the balance.
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s0.UpdateAccount(acc)
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if s0.GetAccount(acc0Address).Balance != acc.Balance {
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t.Error("Account balance wasn't set")
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}
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// Now that the state changed, the hash should change too.
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if bytes.Equal(s0Hash, s0.Hash()) {
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t.Error("Expected state hash to have changed")
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}
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// The s0Copy shouldn't have changed though.
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if !bytes.Equal(s0Hash, s0Copy.Hash()) {
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t.Error("Expected state copy hash to have not changed")
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}
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}
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func makeBlock(t *testing.T, state *State, commits []types.Commit, txs []types.Tx) *types.Block {
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block := &types.Block{
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Header: &types.Header{
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Network: config.App().GetString("network"),
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Height: state.LastBlockHeight + 1,
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Time: state.LastBlockTime.Add(time.Minute),
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Fees: 0,
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NumTxs: uint(len(txs)),
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LastBlockHash: state.LastBlockHash,
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LastBlockParts: state.LastBlockParts,
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StateHash: nil,
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},
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Validation: &types.Validation{
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Commits: commits,
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},
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Data: &types.Data{
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Txs: txs,
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},
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}
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// Fill in block StateHash
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err := state.SetBlockStateHash(block)
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if err != nil {
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t.Error("Error appending initial block:", err)
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}
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if len(block.Header.StateHash) == 0 {
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t.Error("Expected StateHash but got nothing.")
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}
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return block
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}
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func TestGenesisSaveLoad(t *testing.T) {
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// Generate a state, save & load it.
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s0, _, _ := RandGenesisState(10, true, 1000, 5, true, 1000)
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// Make complete block and blockParts
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block := makeBlock(t, s0, nil, nil)
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blockParts := block.MakePartSet()
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// Now append the block to s0.
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err := ExecBlock(s0, block, blockParts.Header())
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if err != nil {
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t.Error("Error appending initial block:", err)
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}
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// Save s0
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s0.Save()
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// Sanity check s0
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//s0.DB.(*dbm.MemDB).Print()
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if s0.BondedValidators.TotalVotingPower() == 0 {
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t.Error("s0 BondedValidators TotalVotingPower should not be 0")
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}
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if s0.LastBlockHeight != 1 {
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t.Error("s0 LastBlockHeight should be 1, got", s0.LastBlockHeight)
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}
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// Load s1
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s1 := LoadState(s0.DB)
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// Compare height & blockHash
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if s0.LastBlockHeight != s1.LastBlockHeight {
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t.Error("LastBlockHeight mismatch")
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}
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if !bytes.Equal(s0.LastBlockHash, s1.LastBlockHash) {
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t.Error("LastBlockHash mismatch")
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}
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// Compare state merkle trees
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if s0.BondedValidators.Size() != s1.BondedValidators.Size() {
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t.Error("BondedValidators Size mismatch")
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}
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if s0.BondedValidators.TotalVotingPower() != s1.BondedValidators.TotalVotingPower() {
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t.Error("BondedValidators TotalVotingPower mismatch")
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}
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if !bytes.Equal(s0.BondedValidators.Hash(), s1.BondedValidators.Hash()) {
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t.Error("BondedValidators hash mismatch")
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}
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if s0.UnbondingValidators.Size() != s1.UnbondingValidators.Size() {
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t.Error("UnbondingValidators Size mismatch")
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}
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if s0.UnbondingValidators.TotalVotingPower() != s1.UnbondingValidators.TotalVotingPower() {
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t.Error("UnbondingValidators TotalVotingPower mismatch")
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}
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if !bytes.Equal(s0.UnbondingValidators.Hash(), s1.UnbondingValidators.Hash()) {
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t.Error("UnbondingValidators hash mismatch")
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}
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if !bytes.Equal(s0.accounts.Hash(), s1.accounts.Hash()) {
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t.Error("Accounts mismatch")
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}
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if !bytes.Equal(s0.validatorInfos.Hash(), s1.validatorInfos.Hash()) {
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t.Error("Accounts mismatch")
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}
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}
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func TestTxSequence(t *testing.T) {
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state, privAccounts, _ := RandGenesisState(3, true, 1000, 1, true, 1000)
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acc0 := state.GetAccount(privAccounts[0].PubKey.Address())
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acc0PubKey := privAccounts[0].PubKey
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acc1 := state.GetAccount(privAccounts[1].PubKey.Address())
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// Try executing a SendTx with various sequence numbers.
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makeSendTx := func(sequence uint) *types.SendTx {
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return &types.SendTx{
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Inputs: []*types.TxInput{
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&types.TxInput{
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Address: acc0.Address,
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Amount: 1,
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Sequence: sequence,
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PubKey: acc0PubKey,
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},
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},
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Outputs: []*types.TxOutput{
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&types.TxOutput{
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Address: acc1.Address,
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Amount: 1,
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},
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},
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}
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}
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// Test a variety of sequence numbers for the tx.
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// The tx should only pass when i == 1.
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for i := -1; i < 3; i++ {
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sequence := acc0.Sequence + uint(i)
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tx := makeSendTx(sequence)
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tx.Inputs[0].Signature = privAccounts[0].Sign(tx)
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stateCopy := state.Copy()
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err := execTxWithState(stateCopy, tx, true)
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if i == 1 {
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// Sequence is good.
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if err != nil {
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t.Errorf("Expected good sequence to pass: %v", err)
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}
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// Check acc.Sequence.
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newAcc0 := stateCopy.GetAccount(acc0.Address)
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if newAcc0.Sequence != sequence {
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t.Errorf("Expected account sequence to change to %v, got %v",
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sequence, newAcc0.Sequence)
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}
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} else {
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// Sequence is bad.
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if err == nil {
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t.Errorf("Expected bad sequence to fail")
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}
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// Check acc.Sequence. (shouldn't have changed)
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newAcc0 := stateCopy.GetAccount(acc0.Address)
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if newAcc0.Sequence != acc0.Sequence {
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t.Errorf("Expected account sequence to not change from %v, got %v",
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acc0.Sequence, newAcc0.Sequence)
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}
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}
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}
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}
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// TODO: test overflows.
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// TODO: test for unbonding validators.
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func TestTxs(t *testing.T) {
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state, privAccounts, _ := RandGenesisState(3, true, 1000, 1, true, 1000)
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//val0 := state.GetValidatorInfo(privValidators[0].Address)
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acc0 := state.GetAccount(privAccounts[0].PubKey.Address())
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acc0PubKey := privAccounts[0].PubKey
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acc1 := state.GetAccount(privAccounts[1].PubKey.Address())
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// SendTx.
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{
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state := state.Copy()
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tx := &types.SendTx{
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Inputs: []*types.TxInput{
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&types.TxInput{
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Address: acc0.Address,
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Amount: 1,
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Sequence: acc0.Sequence + 1,
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PubKey: acc0PubKey,
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},
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},
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Outputs: []*types.TxOutput{
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&types.TxOutput{
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Address: acc1.Address,
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Amount: 1,
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},
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},
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}
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tx.Inputs[0].Signature = privAccounts[0].Sign(tx)
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err := execTxWithState(state, tx, true)
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if err != nil {
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t.Errorf("Got error in executing send transaction, %v", err)
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}
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newAcc0 := state.GetAccount(acc0.Address)
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if acc0.Balance-1 != newAcc0.Balance {
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t.Errorf("Unexpected newAcc0 balance. Expected %v, got %v",
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acc0.Balance-1, newAcc0.Balance)
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}
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newAcc1 := state.GetAccount(acc1.Address)
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if acc1.Balance+1 != newAcc1.Balance {
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t.Errorf("Unexpected newAcc1 balance. Expected %v, got %v",
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acc1.Balance+1, newAcc1.Balance)
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}
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}
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// BondTx.
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{
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state := state.Copy()
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tx := &types.BondTx{
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PubKey: acc0PubKey.(account.PubKeyEd25519),
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Inputs: []*types.TxInput{
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&types.TxInput{
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Address: acc0.Address,
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Amount: 1,
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Sequence: acc0.Sequence + 1,
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PubKey: acc0PubKey,
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},
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},
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UnbondTo: []*types.TxOutput{
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&types.TxOutput{
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Address: acc0.Address,
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Amount: 1,
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},
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},
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}
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tx.Inputs[0].Signature = privAccounts[0].Sign(tx)
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err := execTxWithState(state, tx, true)
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if err != nil {
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t.Errorf("Got error in executing bond transaction, %v", err)
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}
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newAcc0 := state.GetAccount(acc0.Address)
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if newAcc0.Balance != acc0.Balance-1 {
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t.Errorf("Unexpected newAcc0 balance. Expected %v, got %v",
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acc0.Balance-1, newAcc0.Balance)
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}
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_, acc0Val := state.BondedValidators.GetByAddress(acc0.Address)
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if acc0Val == nil {
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t.Errorf("acc0Val not present")
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}
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if acc0Val.BondHeight != state.LastBlockHeight+1 {
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t.Errorf("Unexpected bond height. Expected %v, got %v",
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state.LastBlockHeight, acc0Val.BondHeight)
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}
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if acc0Val.VotingPower != 1 {
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t.Errorf("Unexpected voting power. Expected %v, got %v",
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acc0Val.VotingPower, acc0.Balance)
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}
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if acc0Val.Accum != 0 {
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t.Errorf("Unexpected accum. Expected 0, got %v",
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acc0Val.Accum)
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}
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}
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// TODO UnbondTx.
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}
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func TestAddValidator(t *testing.T) {
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// Generate a state, save & load it.
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s0, privAccounts, privValidators := RandGenesisState(10, false, 1000, 1, false, 1000)
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// The first privAccount will become a validator
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acc0 := privAccounts[0]
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bondTx := &types.BondTx{
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PubKey: acc0.PubKey.(account.PubKeyEd25519),
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Inputs: []*types.TxInput{
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&types.TxInput{
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Address: acc0.Address,
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Amount: 1000,
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Sequence: 1,
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PubKey: acc0.PubKey,
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},
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},
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UnbondTo: []*types.TxOutput{
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&types.TxOutput{
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Address: acc0.Address,
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Amount: 1000,
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},
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},
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}
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bondTx.Inputs[0].Signature = acc0.Sign(bondTx)
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// Make complete block and blockParts
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block0 := makeBlock(t, s0, nil, []types.Tx{bondTx})
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block0Parts := block0.MakePartSet()
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// Sanity check
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if s0.BondedValidators.Size() != 1 {
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t.Error("Expected there to be 1 validators before bondTx")
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}
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// Now append the block to s0.
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err := ExecBlock(s0, block0, block0Parts.Header())
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if err != nil {
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t.Error("Error appending initial block:", err)
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}
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// Must save before further modification
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s0.Save()
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// Test new validator set
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if s0.BondedValidators.Size() != 2 {
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t.Error("Expected there to be 2 validators after bondTx")
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}
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// The validation for the next block should only require 1 signature
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// (the new validator wasn't active for block0)
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commit0 := &types.Vote{
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Height: 1,
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Round: 0,
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Type: types.VoteTypeCommit,
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BlockHash: block0.Hash(),
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BlockParts: block0Parts.Header(),
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}
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privValidators[0].SignVote(commit0)
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block1 := makeBlock(t, s0,
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[]types.Commit{
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types.Commit{
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Address: privValidators[0].Address,
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Round: 0,
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Signature: commit0.Signature,
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},
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}, nil,
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)
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block1Parts := block1.MakePartSet()
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err = ExecBlock(s0, block1, block1Parts.Header())
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if err != nil {
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t.Error("Error appending secondary block:", err)
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}
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}
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