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package light_test
import (
"context"
"testing"
"time"
dbm "github.com/tendermint/tm-db"
"github.com/tendermint/tendermint/libs/log"
"github.com/tendermint/tendermint/light"
"github.com/tendermint/tendermint/light/provider"
mockp "github.com/tendermint/tendermint/light/provider/mock"
dbs "github.com/tendermint/tendermint/light/store/db"
)
// NOTE: block is produced every minute. Make sure the verification time
// provided in the function call is correct for the size of the blockchain. The
// benchmarking may take some time hence it can be more useful to set the time
// or the amount of iterations use the flag -benchtime t -> i.e. -benchtime 5m
// or -benchtime 100x.
//
// Remember that none of these benchmarks account for network latency.
var (
benchmarkFullNode = mockp.New(genMockNode(chainID, 1000, 100, 1, bTime))
genesisBlock, _ = benchmarkFullNode.LightBlock(context.Background(), 1)
)
func BenchmarkSequence(b *testing.B) {
c, err := light.NewClient(
context.Background(),
chainID,
light.TrustOptions{
Period: 24 * time.Hour,
Height: 1,
Hash: genesisBlock.Hash(),
},
benchmarkFullNode,
[]provider.Provider{benchmarkFullNode},
dbs.New(dbm.NewMemDB()),
light.Logger(log.TestingLogger()),
light.SequentialVerification(),
)
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for n := 0; n < b.N; n++ {
_, err = c.VerifyLightBlockAtHeight(context.Background(), 1000, bTime.Add(1000*time.Minute))
if err != nil {
b.Fatal(err)
}
}
}
func BenchmarkBisection(b *testing.B) {
c, err := light.NewClient(
context.Background(),
chainID,
light.TrustOptions{
Period: 24 * time.Hour,
Height: 1,
Hash: genesisBlock.Hash(),
},
benchmarkFullNode,
[]provider.Provider{benchmarkFullNode},
dbs.New(dbm.NewMemDB()),
light.Logger(log.TestingLogger()),
)
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for n := 0; n < b.N; n++ {
_, err = c.VerifyLightBlockAtHeight(context.Background(), 1000, bTime.Add(1000*time.Minute))
if err != nil {
b.Fatal(err)
}
}
}
func BenchmarkBackwards(b *testing.B) {
trustedBlock, _ := benchmarkFullNode.LightBlock(context.Background(), 0)
c, err := light.NewClient(
context.Background(),
chainID,
light.TrustOptions{
Period: 24 * time.Hour,
Height: trustedBlock.Height,
Hash: trustedBlock.Hash(),
},
benchmarkFullNode,
[]provider.Provider{benchmarkFullNode},
dbs.New(dbm.NewMemDB()),
light.Logger(log.TestingLogger()),
)
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for n := 0; n < b.N; n++ {
_, err = c.VerifyLightBlockAtHeight(context.Background(), 1, bTime)
if err != nil {
b.Fatal(err)
}
}
}