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344 lines
10 KiB
344 lines
10 KiB
package types
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import (
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// it is ok to use math/rand here: we do not need a cryptographically secure random
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// number generator here and we can run the tests a bit faster
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"crypto/rand"
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"math"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/crypto/tmhash"
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cmn "github.com/tendermint/tendermint/libs/common"
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"github.com/tendermint/tendermint/version"
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)
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func TestMain(m *testing.M) {
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RegisterMockEvidences(cdc)
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code := m.Run()
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os.Exit(code)
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}
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func TestBlockAddEvidence(t *testing.T) {
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txs := []Tx{Tx("foo"), Tx("bar")}
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lastID := makeBlockIDRandom()
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h := int64(3)
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voteSet, valSet, vals := randVoteSet(h-1, 1, PrecommitType, 10, 1)
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commit, err := MakeCommit(lastID, h-1, 1, voteSet, vals)
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require.NoError(t, err)
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ev := NewMockGoodEvidence(h, 0, valSet.Validators[0].Address)
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evList := []Evidence{ev}
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block := MakeBlock(h, txs, commit, evList)
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require.NotNil(t, block)
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require.Equal(t, 1, len(block.Evidence.Evidence))
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require.NotNil(t, block.EvidenceHash)
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}
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func TestBlockValidateBasic(t *testing.T) {
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require.Error(t, (*Block)(nil).ValidateBasic())
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txs := []Tx{Tx("foo"), Tx("bar")}
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lastID := makeBlockIDRandom()
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h := int64(3)
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voteSet, valSet, vals := randVoteSet(h-1, 1, PrecommitType, 10, 1)
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commit, err := MakeCommit(lastID, h-1, 1, voteSet, vals)
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require.NoError(t, err)
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ev := NewMockGoodEvidence(h, 0, valSet.Validators[0].Address)
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evList := []Evidence{ev}
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testCases := []struct {
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testName string
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malleateBlock func(*Block)
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expErr bool
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}{
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{"Make Block", func(blk *Block) {}, false},
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{"Make Block w/ proposer Addr", func(blk *Block) { blk.ProposerAddress = valSet.GetProposer().Address }, false},
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{"Negative Height", func(blk *Block) { blk.Height = -1 }, true},
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{"Increase NumTxs", func(blk *Block) { blk.NumTxs++ }, true},
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{"Remove 1/2 the commits", func(blk *Block) {
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blk.LastCommit.Precommits = commit.Precommits[:commit.Size()/2]
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blk.LastCommit.hash = nil // clear hash or change wont be noticed
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}, true},
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{"Remove LastCommitHash", func(blk *Block) { blk.LastCommitHash = []byte("something else") }, true},
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{"Tampered Data", func(blk *Block) {
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blk.Data.Txs[0] = Tx("something else")
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blk.Data.hash = nil // clear hash or change wont be noticed
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}, true},
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{"Tampered DataHash", func(blk *Block) {
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blk.DataHash = cmn.RandBytes(len(blk.DataHash))
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}, true},
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{"Tampered EvidenceHash", func(blk *Block) {
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blk.EvidenceHash = []byte("something else")
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}, true},
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}
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for i, tc := range testCases {
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t.Run(tc.testName, func(t *testing.T) {
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block := MakeBlock(h, txs, commit, evList)
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block.ProposerAddress = valSet.GetProposer().Address
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tc.malleateBlock(block)
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err = block.ValidateBasic()
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assert.Equal(t, tc.expErr, err != nil, "#%d: %v", i, err)
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})
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}
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}
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func TestBlockHash(t *testing.T) {
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assert.Nil(t, (*Block)(nil).Hash())
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assert.Nil(t, MakeBlock(int64(3), []Tx{Tx("Hello World")}, nil, nil).Hash())
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}
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func TestBlockMakePartSet(t *testing.T) {
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assert.Nil(t, (*Block)(nil).MakePartSet(2))
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partSet := MakeBlock(int64(3), []Tx{Tx("Hello World")}, nil, nil).MakePartSet(1024)
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assert.NotNil(t, partSet)
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assert.Equal(t, 1, partSet.Total())
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}
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func TestBlockMakePartSetWithEvidence(t *testing.T) {
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assert.Nil(t, (*Block)(nil).MakePartSet(2))
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lastID := makeBlockIDRandom()
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h := int64(3)
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voteSet, valSet, vals := randVoteSet(h-1, 1, PrecommitType, 10, 1)
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commit, err := MakeCommit(lastID, h-1, 1, voteSet, vals)
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require.NoError(t, err)
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ev := NewMockGoodEvidence(h, 0, valSet.Validators[0].Address)
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evList := []Evidence{ev}
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partSet := MakeBlock(h, []Tx{Tx("Hello World")}, commit, evList).MakePartSet(1024)
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assert.NotNil(t, partSet)
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assert.Equal(t, 3, partSet.Total())
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}
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func TestBlockHashesTo(t *testing.T) {
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assert.False(t, (*Block)(nil).HashesTo(nil))
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lastID := makeBlockIDRandom()
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h := int64(3)
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voteSet, valSet, vals := randVoteSet(h-1, 1, PrecommitType, 10, 1)
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commit, err := MakeCommit(lastID, h-1, 1, voteSet, vals)
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require.NoError(t, err)
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ev := NewMockGoodEvidence(h, 0, valSet.Validators[0].Address)
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evList := []Evidence{ev}
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block := MakeBlock(h, []Tx{Tx("Hello World")}, commit, evList)
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block.ValidatorsHash = valSet.Hash()
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assert.False(t, block.HashesTo([]byte{}))
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assert.False(t, block.HashesTo([]byte("something else")))
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assert.True(t, block.HashesTo(block.Hash()))
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}
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func TestBlockSize(t *testing.T) {
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size := MakeBlock(int64(3), []Tx{Tx("Hello World")}, nil, nil).Size()
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if size <= 0 {
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t.Fatal("Size of the block is zero or negative")
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}
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}
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func TestBlockString(t *testing.T) {
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assert.Equal(t, "nil-Block", (*Block)(nil).String())
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assert.Equal(t, "nil-Block", (*Block)(nil).StringIndented(""))
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assert.Equal(t, "nil-Block", (*Block)(nil).StringShort())
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block := MakeBlock(int64(3), []Tx{Tx("Hello World")}, nil, nil)
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assert.NotEqual(t, "nil-Block", block.String())
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assert.NotEqual(t, "nil-Block", block.StringIndented(""))
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assert.NotEqual(t, "nil-Block", block.StringShort())
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}
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func makeBlockIDRandom() BlockID {
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blockHash := make([]byte, tmhash.Size)
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partSetHash := make([]byte, tmhash.Size)
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rand.Read(blockHash) //nolint: gosec
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rand.Read(partSetHash) //nolint: gosec
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blockPartsHeader := PartSetHeader{123, partSetHash}
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return BlockID{blockHash, blockPartsHeader}
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}
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func makeBlockID(hash []byte, partSetSize int, partSetHash []byte) BlockID {
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return BlockID{
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Hash: hash,
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PartsHeader: PartSetHeader{
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Total: partSetSize,
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Hash: partSetHash,
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},
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}
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}
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var nilBytes []byte
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func TestNilHeaderHashDoesntCrash(t *testing.T) {
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assert.Equal(t, []byte((*Header)(nil).Hash()), nilBytes)
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assert.Equal(t, []byte((new(Header)).Hash()), nilBytes)
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}
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func TestNilDataHashDoesntCrash(t *testing.T) {
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assert.Equal(t, []byte((*Data)(nil).Hash()), nilBytes)
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assert.Equal(t, []byte(new(Data).Hash()), nilBytes)
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}
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func TestCommit(t *testing.T) {
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lastID := makeBlockIDRandom()
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h := int64(3)
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voteSet, _, vals := randVoteSet(h-1, 1, PrecommitType, 10, 1)
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commit, err := MakeCommit(lastID, h-1, 1, voteSet, vals)
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require.NoError(t, err)
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assert.Equal(t, h-1, commit.Height())
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assert.Equal(t, 1, commit.Round())
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assert.Equal(t, PrecommitType, SignedMsgType(commit.Type()))
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if commit.Size() <= 0 {
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t.Fatalf("commit %v has a zero or negative size: %d", commit, commit.Size())
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}
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require.NotNil(t, commit.BitArray())
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assert.Equal(t, cmn.NewBitArray(10).Size(), commit.BitArray().Size())
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assert.Equal(t, voteSet.GetByIndex(0), commit.GetByIndex(0))
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assert.True(t, commit.IsCommit())
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}
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func TestCommitValidateBasic(t *testing.T) {
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testCases := []struct {
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testName string
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malleateCommit func(*Commit)
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expectErr bool
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}{
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{"Random Commit", func(com *Commit) {}, false},
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{"Nil precommit", func(com *Commit) { com.Precommits[0] = nil }, false},
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{"Incorrect signature", func(com *Commit) { com.Precommits[0].Signature = []byte{0} }, false},
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{"Incorrect type", func(com *Commit) { com.Precommits[0].Type = PrevoteType }, true},
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{"Incorrect height", func(com *Commit) { com.Precommits[0].Height = int64(100) }, true},
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{"Incorrect round", func(com *Commit) { com.Precommits[0].Round = 100 }, true},
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}
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for _, tc := range testCases {
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t.Run(tc.testName, func(t *testing.T) {
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com := randCommit()
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tc.malleateCommit(com)
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assert.Equal(t, tc.expectErr, com.ValidateBasic() != nil, "Validate Basic had an unexpected result")
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})
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}
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}
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func TestMaxHeaderBytes(t *testing.T) {
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// Construct a UTF-8 string of MaxChainIDLen length using the supplementary
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// characters.
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// Each supplementary character takes 4 bytes.
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// http://www.i18nguy.com/unicode/supplementary-test.html
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maxChainID := ""
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for i := 0; i < MaxChainIDLen; i++ {
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maxChainID += "𠜎"
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}
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// time is varint encoded so need to pick the max.
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// year int, month Month, day, hour, min, sec, nsec int, loc *Location
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timestamp := time.Date(math.MaxInt64, 0, 0, 0, 0, 0, math.MaxInt64, time.UTC)
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h := Header{
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Version: version.Consensus{Block: math.MaxInt64, App: math.MaxInt64},
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ChainID: maxChainID,
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Height: math.MaxInt64,
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Time: timestamp,
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NumTxs: math.MaxInt64,
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TotalTxs: math.MaxInt64,
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LastBlockID: makeBlockID(make([]byte, tmhash.Size), math.MaxInt64, make([]byte, tmhash.Size)),
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LastCommitHash: tmhash.Sum([]byte("last_commit_hash")),
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DataHash: tmhash.Sum([]byte("data_hash")),
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ValidatorsHash: tmhash.Sum([]byte("validators_hash")),
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NextValidatorsHash: tmhash.Sum([]byte("next_validators_hash")),
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ConsensusHash: tmhash.Sum([]byte("consensus_hash")),
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AppHash: tmhash.Sum([]byte("app_hash")),
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LastResultsHash: tmhash.Sum([]byte("last_results_hash")),
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EvidenceHash: tmhash.Sum([]byte("evidence_hash")),
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ProposerAddress: crypto.AddressHash([]byte("proposer_address")),
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}
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bz, err := cdc.MarshalBinaryLengthPrefixed(h)
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require.NoError(t, err)
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assert.EqualValues(t, MaxHeaderBytes, len(bz))
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}
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func randCommit() *Commit {
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lastID := makeBlockIDRandom()
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h := int64(3)
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voteSet, _, vals := randVoteSet(h-1, 1, PrecommitType, 10, 1)
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commit, err := MakeCommit(lastID, h-1, 1, voteSet, vals)
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if err != nil {
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panic(err)
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}
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return commit
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}
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func TestBlockMaxDataBytes(t *testing.T) {
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testCases := []struct {
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maxBytes int64
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valsCount int
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evidenceCount int
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panics bool
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result int64
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}{
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0: {-10, 1, 0, true, 0},
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1: {10, 1, 0, true, 0},
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2: {886, 1, 0, true, 0},
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3: {887, 1, 0, false, 0},
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4: {888, 1, 0, false, 1},
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}
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for i, tc := range testCases {
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if tc.panics {
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assert.Panics(t, func() {
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MaxDataBytes(tc.maxBytes, tc.valsCount, tc.evidenceCount)
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}, "#%v", i)
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} else {
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assert.Equal(t,
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tc.result,
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MaxDataBytes(tc.maxBytes, tc.valsCount, tc.evidenceCount),
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"#%v", i)
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}
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}
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}
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func TestBlockMaxDataBytesUnknownEvidence(t *testing.T) {
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testCases := []struct {
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maxBytes int64
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valsCount int
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panics bool
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result int64
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}{
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0: {-10, 1, true, 0},
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1: {10, 1, true, 0},
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2: {984, 1, true, 0},
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3: {985, 1, false, 0},
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4: {986, 1, false, 1},
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}
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for i, tc := range testCases {
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if tc.panics {
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assert.Panics(t, func() {
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MaxDataBytesUnknownEvidence(tc.maxBytes, tc.valsCount)
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}, "#%v", i)
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} else {
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assert.Equal(t,
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tc.result,
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MaxDataBytesUnknownEvidence(tc.maxBytes, tc.valsCount),
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"#%v", i)
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}
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}
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}
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