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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package bookkeeping
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/algorand/go-algorand/config"
"github.com/algorand/go-algorand/crypto"
"github.com/algorand/go-algorand/crypto/merklearray"
"github.com/algorand/go-algorand/data/basics"
"github.com/algorand/go-algorand/data/transactions"
"github.com/algorand/go-algorand/protocol"
"github.com/algorand/go-algorand/test/partitiontest"
)
func TestTxnMerkleElemHash(t *testing.T) {
partitiontest.PartitionTest(t)
var tme txnMerkleElem
crypto.RandBytes(tme.stib.SignedTxn.Txn.Header.Sender[:])
require.Equal(t, crypto.HashObj(&tme), tme.Hash())
}
func TestTxnMerkle(t *testing.T) {
partitiontest.PartitionTest(t)
for ntxn := uint64(0); ntxn < 128; ntxn++ {
var b Block
b.CurrentProtocol = protocol.ConsensusCurrentVersion
crypto.RandBytes(b.BlockHeader.GenesisHash[:])
var elems []txnMerkleElem
for i := uint64(0); i < ntxn; i++ {
txn := transactions.Transaction{
Type: protocol.PaymentTx,
Header: transactions.Header{
GenesisHash: b.BlockHeader.GenesisHash,
},
PaymentTxnFields: transactions.PaymentTxnFields{
Amount: basics.MicroAlgos{Raw: i},
},
}
sigtxn := transactions.SignedTxn{Txn: txn}
ad := transactions.ApplyData{}
stib, err := b.BlockHeader.EncodeSignedTxn(sigtxn, ad)
require.NoError(t, err)
b.Payset = append(b.Payset, stib)
var e txnMerkleElem
e.hashType = crypto.Sha512_256
e.txn = txn
e.stib = stib
elems = append(elems, e)
}
tree, err := b.TxnMerkleTree()
require.NoError(t, err)
root := tree.Root()
for i := uint64(0); i < ntxn; i++ {
proof, err := tree.Prove([]uint64{i})
require.NoError(t, err)
elemVerif := make(map[uint64]crypto.Hashable)
elemVerif[i] = &elems[i]
err = merklearray.Verify(root, elemVerif, proof)
require.NoError(t, err)
}
}
}
func TestBlock_TxnMerkleTreeSHA256(t *testing.T) {
partitiontest.PartitionTest(t)
for ntxn := uint64(0); ntxn < 128; ntxn++ {
var b Block
b.CurrentProtocol = protocol.ConsensusCurrentVersion
crypto.RandBytes(b.BlockHeader.GenesisHash[:])
var elems []txnMerkleElem
for i := uint64(0); i < ntxn; i++ {
txn := transactions.Transaction{
Type: protocol.PaymentTx,
Header: transactions.Header{
GenesisHash: b.BlockHeader.GenesisHash,
},
PaymentTxnFields: transactions.PaymentTxnFields{
Amount: basics.MicroAlgos{Raw: i},
},
}
sigtxn := transactions.SignedTxn{Txn: txn}
ad := transactions.ApplyData{}
stib, err := b.BlockHeader.EncodeSignedTxn(sigtxn, ad)
require.NoError(t, err)
b.Payset = append(b.Payset, stib)
var e txnMerkleElem
e.hashType = crypto.Sha256
e.txn = txn
e.stib = stib
elems = append(elems, e)
}
tree, err := b.TxnMerkleTreeSHA256()
require.NoError(t, err)
root := tree.Root()
for i := uint64(0); i < ntxn; i++ {
proof, err := tree.Prove([]uint64{i})
require.NoError(t, err)
elemVerif := make(map[uint64]crypto.Hashable)
elemVerif[i] = &elems[i]
err = merklearray.VerifyVectorCommitment(root, elemVerif, proof)
require.NoError(t, err)
}
}
}
func BenchmarkTxnRoots(b *testing.B) {
var blk Block
blk.CurrentProtocol = protocol.ConsensusCurrentVersion
crypto.RandBytes(blk.BlockHeader.GenesisHash[:])
proto := config.Consensus[blk.CurrentProtocol]
for i := 0; true; i++ {
txn := transactions.Transaction{
Type: protocol.PaymentTx,
Header: transactions.Header{
GenesisHash: blk.BlockHeader.GenesisHash,
},
PaymentTxnFields: transactions.PaymentTxnFields{
Amount: basics.MicroAlgos{Raw: crypto.RandUint64()},
},
}
crypto.RandBytes(txn.Sender[:])
crypto.RandBytes(txn.PaymentTxnFields.Receiver[:])
sigtxn := transactions.SignedTxn{Txn: txn}
crypto.RandBytes(sigtxn.Sig[:])
ad := transactions.ApplyData{}
stib, err := blk.BlockHeader.EncodeSignedTxn(sigtxn, ad)
require.NoError(b, err)
blk.Payset = append(blk.Payset, stib)
if (i%1024 == 0) && len(protocol.Encode(blk.Payset)) >= proto.MaxTxnBytesPerBlock {
break
}
}
b.Logf("Made block with %d transactions and %d txn bytes", len(blk.Payset), len(protocol.Encode(blk.Payset)))
var r crypto.Digest
b.Run("FlatCommit", func(b *testing.B) {
for i := 0; i < b.N; i++ {
var err error
r, err = blk.paysetCommit(config.PaysetCommitFlat)
require.NoError(b, err)
}
})
b.Run("MerkleCommit", func(b *testing.B) {
for i := 0; i < b.N; i++ {
var err error
r, err = blk.paysetCommit(config.PaysetCommitMerkle)
require.NoError(b, err)
}
})
b.Run("SHA256MerkleCommit", func(b *testing.B) {
for i := 0; i < b.N; i++ {
var err error
r, err = blk.paysetCommitSHA256()
require.NoError(b, err)
}
})
_ = r
}
func txnMerkleToRawAppend(txid [crypto.DigestSize]byte, stib [crypto.DigestSize]byte) []byte {
buf := make([]byte, 0, 2*crypto.DigestSize)
buf = append(buf, txid[:]...)
return append(buf, stib[:]...)
}
func BenchmarkTxnMerkleToRaw(b *testing.B) {
digest1 := crypto.Hash([]byte{1, 2, 3})
digest2 := crypto.Hash([]byte{4, 5, 6})
b.Run("copy", func(b *testing.B) {
for i := 0; i < b.N; i++ {
txnMerkleToRaw(digest1, digest2)
}
})
b.Run("append", func(b *testing.B) {
for i := 0; i < b.N; i++ {
txnMerkleToRawAppend(digest1, digest2)
}
})
}
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