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75 lines
1.9 KiB
75 lines
1.9 KiB
package types
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import (
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"testing"
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"github.com/stretchr/testify/require"
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crypto "github.com/tendermint/go-crypto"
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cmn "github.com/tendermint/tmlibs/common"
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)
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func TestValidateBlock(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, _, vals := randVoteSet(h-1, 1, VoteTypePrecommit,
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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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block := MakeBlock(h, txs, commit)
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require.NotNil(t, block)
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// proper block must pass
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err = block.ValidateBasic()
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require.NoError(t, err)
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// tamper with NumTxs
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block = MakeBlock(h, txs, commit)
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block.NumTxs += 1
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err = block.ValidateBasic()
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require.Error(t, err)
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// remove 1/2 the commits
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block = MakeBlock(h, txs, commit)
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block.LastCommit.Precommits = commit.Precommits[:commit.Size()/2]
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block.LastCommit.hash = nil // clear hash or change wont be noticed
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err = block.ValidateBasic()
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require.Error(t, err)
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// tamper with LastCommitHash
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block = MakeBlock(h, txs, commit)
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block.LastCommitHash = []byte("something else")
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err = block.ValidateBasic()
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require.Error(t, err)
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// tamper with data
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block = MakeBlock(h, txs, commit)
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block.Data.Txs[0] = Tx("something else")
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block.Data.hash = nil // clear hash or change wont be noticed
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err = block.ValidateBasic()
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require.Error(t, err)
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// tamper with DataHash
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block = MakeBlock(h, txs, commit)
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block.DataHash = cmn.RandBytes(len(block.DataHash))
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err = block.ValidateBasic()
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require.Error(t, err)
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}
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func makeBlockIDRandom() BlockID {
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blockHash, blockPartsHeader := crypto.CRandBytes(32), PartSetHeader{123, crypto.CRandBytes(32)}
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return BlockID{blockHash, blockPartsHeader}
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}
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func makeBlockID(hash string, partSetSize int, partSetHash string) BlockID {
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return BlockID{
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Hash: []byte(hash),
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PartsHeader: PartSetHeader{
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Total: partSetSize,
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Hash: []byte(partSetHash),
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},
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}
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}
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