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82 lines
2.6 KiB
82 lines
2.6 KiB
package v0
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import (
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"context"
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"crypto/sha256"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/abci/example/kvstore"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/internal/mempool"
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"github.com/tendermint/tendermint/proxy"
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"github.com/tendermint/tendermint/types"
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)
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func TestCacheAfterUpdate(t *testing.T) {
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app := kvstore.NewApplication()
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cc := proxy.NewLocalClientCreator(app)
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mp, cleanup := newMempoolWithApp(cc)
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defer cleanup()
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// reAddIndices & txsInCache can have elements > numTxsToCreate
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// also assumes max index is 255 for convenience
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// txs in cache also checks order of elements
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tests := []struct {
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numTxsToCreate int
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updateIndices []int
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reAddIndices []int
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txsInCache []int
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}{
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{1, []int{}, []int{1}, []int{1, 0}}, // adding new txs works
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{2, []int{1}, []int{}, []int{1, 0}}, // update doesn't remove tx from cache
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{2, []int{2}, []int{}, []int{2, 1, 0}}, // update adds new tx to cache
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{2, []int{1}, []int{1}, []int{1, 0}}, // re-adding after update doesn't make dupe
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}
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for tcIndex, tc := range tests {
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for i := 0; i < tc.numTxsToCreate; i++ {
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tx := types.Tx{byte(i)}
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err := mp.CheckTx(context.Background(), tx, nil, mempool.TxInfo{})
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require.NoError(t, err)
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}
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updateTxs := []types.Tx{}
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for _, v := range tc.updateIndices {
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tx := types.Tx{byte(v)}
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updateTxs = append(updateTxs, tx)
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}
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err := mp.Update(int64(tcIndex), updateTxs, abciResponses(len(updateTxs), abci.CodeTypeOK), nil, nil)
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require.NoError(t, err)
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for _, v := range tc.reAddIndices {
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tx := types.Tx{byte(v)}
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_ = mp.CheckTx(context.Background(), tx, nil, mempool.TxInfo{})
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}
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cache := mp.cache.(*mempool.LRUTxCache)
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node := cache.GetList().Front()
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counter := 0
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for node != nil {
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require.NotEqual(t, len(tc.txsInCache), counter,
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"cache larger than expected on testcase %d", tcIndex)
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nodeVal := node.Value.([sha256.Size]byte)
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expectedBz := sha256.Sum256([]byte{byte(tc.txsInCache[len(tc.txsInCache)-counter-1])})
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// Reference for reading the errors:
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// >>> sha256('\x00').hexdigest()
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// '6e340b9cffb37a989ca544e6bb780a2c78901d3fb33738768511a30617afa01d'
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// >>> sha256('\x01').hexdigest()
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// '4bf5122f344554c53bde2ebb8cd2b7e3d1600ad631c385a5d7cce23c7785459a'
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// >>> sha256('\x02').hexdigest()
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// 'dbc1b4c900ffe48d575b5da5c638040125f65db0fe3e24494b76ea986457d986'
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require.Equal(t, expectedBz, nodeVal, "Equality failed on index %d, tc %d", counter, tcIndex)
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counter++
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node = node.Next()
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}
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require.Equal(t, len(tc.txsInCache), counter,
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"cache smaller than expected on testcase %d", tcIndex)
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mp.Flush()
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}
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}
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