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miner: embed verkle proof in sealing block #39

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merged 2 commits into from
Dec 7, 2021
Merged

miner: embed verkle proof in sealing block #39

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a5d4171
miner: embed verkle proof in sealing block
jwasinger Nov 30, 2021
0de9b86
add test to ensure that verkle proof is present in mined blocks
jwasinger Dec 7, 2021
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2 changes: 1 addition & 1 deletion miner/worker.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1043,10 +1043,10 @@ func (w *worker) commit(uncles []*types.Header, interval func(), update bool, st
vtr := tr.(*trie.VerkleTrie)
// Generate the proof if we are using a verkle tree
p, err := vtr.ProveAndSerialize(s.Witness().Keys(), s.Witness().KeyVals())
w.current.header.VerkleProof = p
if err != nil {
return err
}
block.SetVerkleProof(p)
}
if w.isRunning() && !w.merger.TDDReached() {
if interval != nil {
Expand Down
90 changes: 79 additions & 11 deletions miner/worker_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ type testWorkerBackend struct {
uncleBlock *types.Block
}

func newTestWorkerBackend(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine, db ethdb.Database, n int) *testWorkerBackend {
func newTestWorkerBackend(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine, db ethdb.Database, n int, isVerkle bool) *testWorkerBackend {
var gspec = core.Genesis{
Config: chainConfig,
Alloc: core.GenesisAlloc{testBankAddress: {Balance: testBankFunds}},
Expand Down Expand Up @@ -151,9 +151,17 @@ func newTestWorkerBackend(t *testing.T, chainConfig *params.ChainConfig, engine
if n > 0 {
parent = chain.GetBlockByHash(chain.CurrentBlock().ParentHash())
}
blocks, _ := core.GenerateChain(chainConfig, parent, engine, db, 1, func(i int, gen *core.BlockGen) {
gen.SetCoinbase(testUserAddress)
})
var blocks []*types.Block

if isVerkle {
blocks, _ = core.GenerateVerkleChain(chainConfig, parent, engine, db, 1, func(i int, gen *core.BlockGen) {
gen.SetCoinbase(testUserAddress)
})
} else {
blocks, _ = core.GenerateChain(chainConfig, parent, engine, db, 1, func(i int, gen *core.BlockGen) {
gen.SetCoinbase(testUserAddress)
})
}

return &testWorkerBackend{
db: db,
Expand Down Expand Up @@ -194,8 +202,8 @@ func (b *testWorkerBackend) newRandomTx(creation bool) *types.Transaction {
return tx
}

func newTestWorker(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine, db ethdb.Database, blocks int) (*worker, *testWorkerBackend) {
backend := newTestWorkerBackend(t, chainConfig, engine, db, blocks)
func newTestWorker(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine, db ethdb.Database, blocks int, isVerkle bool) (*worker, *testWorkerBackend) {
backend := newTestWorkerBackend(t, chainConfig, engine, db, blocks, isVerkle)
backend.txPool.AddLocals(pendingTxs)
w := newWorker(testConfig, chainConfig, engine, backend, new(event.TypeMux), nil, false, consensus.NewMerger(rawdb.NewMemoryDatabase()))
w.setEtherbase(testBankAddress)
Expand Down Expand Up @@ -226,7 +234,7 @@ func testGenerateBlockAndImport(t *testing.T, isClique bool) {
}

chainConfig.LondonBlock = big.NewInt(0)
w, b := newTestWorker(t, chainConfig, engine, db, 0)
w, b := newTestWorker(t, chainConfig, engine, db, 0, false)
defer w.close()

// This test chain imports the mined blocks.
Expand Down Expand Up @@ -265,6 +273,66 @@ func testGenerateBlockAndImport(t *testing.T, isClique bool) {
}
}

func TestGenerateBlocksAndImportVerkle(t *testing.T) {
var (
engine consensus.Engine
chainConfig *params.ChainConfig
db = rawdb.NewMemoryDatabase()
)
chainConfig = params.VerkleChainConfig
engine = ethash.NewFaker()

w, b := newTestWorker(t, chainConfig, engine, db, 0, true)
defer w.close()

// This test chain imports the mined blocks.
db2 := rawdb.NewMemoryDatabase()
b.genesis.MustCommit(db2)
chain, _ := core.NewBlockChain(db2, nil, b.chain.Config(), engine, vm.Config{}, nil, nil)
defer chain.Stop()

// Ignore empty commit here for less noise.
/*
w.skipSealHook = func(task *task) bool {
return len(task.receipts) == 0
}
*/

// Wait for mined blocks.
sub := w.mux.Subscribe(core.NewMinedBlockEvent{})
defer sub.Unsubscribe()

// Start mining!
w.start()

for i := 0; i < 5; i++ {
/*
// TODO this causes a failure, but shouldn't. investigate.
b.txPool.AddLocal(b.newRandomTx(true))
b.txPool.AddLocal(b.newRandomTx(false))
w.postSideBlock(core.ChainSideEvent{Block: b.newRandomUncle()})
w.postSideBlock(core.ChainSideEvent{Block: b.newRandomUncle()})
*/

select {
case ev := <-sub.Chan():
block := ev.Data.(core.NewMinedBlockEvent).Block
if block.Header().VerkleProof == nil {
t.Fatalf("expected Verkle proof in mined block header")
}
/*
// TODO this produces invalid merkle roots when attempting to insert.
// investigate.
if _, err := chain.InsertChain([]*types.Block{block}); err != nil {
t.Fatalf("failed to insert new mined block %d: %v", block.NumberU64(), err)
}
*/
case <-time.After(3 * time.Second): // Worker needs 1s to include new changes.
t.Fatalf("timeout")
}
}
}

func TestEmptyWorkEthash(t *testing.T) {
testEmptyWork(t, ethashChainConfig, ethash.NewFaker())
}
Expand All @@ -275,7 +343,7 @@ func TestEmptyWorkClique(t *testing.T) {
func testEmptyWork(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine) {
defer engine.Close()

w, _ := newTestWorker(t, chainConfig, engine, rawdb.NewMemoryDatabase(), 0)
w, _ := newTestWorker(t, chainConfig, engine, rawdb.NewMemoryDatabase(), 0, false)
defer w.close()

var (
Expand Down Expand Up @@ -321,7 +389,7 @@ func TestStreamUncleBlock(t *testing.T) {
ethash := ethash.NewFaker()
defer ethash.Close()

w, b := newTestWorker(t, ethashChainConfig, ethash, rawdb.NewMemoryDatabase(), 1)
w, b := newTestWorker(t, ethashChainConfig, ethash, rawdb.NewMemoryDatabase(), 1, false)
defer w.close()

var taskCh = make(chan struct{})
Expand Down Expand Up @@ -379,7 +447,7 @@ func TestRegenerateMiningBlockClique(t *testing.T) {
func testRegenerateMiningBlock(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine) {
defer engine.Close()

w, b := newTestWorker(t, chainConfig, engine, rawdb.NewMemoryDatabase(), 0)
w, b := newTestWorker(t, chainConfig, engine, rawdb.NewMemoryDatabase(), 0, false)
defer w.close()

var taskCh = make(chan struct{})
Expand Down Expand Up @@ -439,7 +507,7 @@ func TestAdjustIntervalClique(t *testing.T) {
func testAdjustInterval(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine) {
defer engine.Close()

w, _ := newTestWorker(t, chainConfig, engine, rawdb.NewMemoryDatabase(), 0)
w, _ := newTestWorker(t, chainConfig, engine, rawdb.NewMemoryDatabase(), 0, false)
defer w.close()

w.skipSealHook = func(task *task) bool {
Expand Down