package core import ( "math/big" "sort" "testing" "github.com/nspcc-dev/neo-go/pkg/config/netmode" "github.com/nspcc-dev/neo-go/pkg/core/native" "github.com/nspcc-dev/neo-go/pkg/core/transaction" "github.com/nspcc-dev/neo-go/pkg/crypto/keys" "github.com/nspcc-dev/neo-go/pkg/internal/testchain" "github.com/nspcc-dev/neo-go/pkg/smartcontract" "github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/vm/opcode" "github.com/stretchr/testify/require" ) func setSigner(tx *transaction.Transaction, h util.Uint160) { tx.Signers = []transaction.Signer{{ Account: h, Scopes: transaction.Global, }} } func TestNEO_Vote(t *testing.T) { bc := newTestChain(t) defer bc.Close() neo := bc.contracts.NEO tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0) ic := bc.newInteropContext(trigger.System, bc.dao, nil, tx) ic.SpawnVM() ic.Block = bc.newBlock(tx) freq := testchain.ValidatorsCount + testchain.CommitteeSize() advanceChain := func(t *testing.T) { for i := 0; i < freq; i++ { require.NoError(t, neo.OnPersist(ic)) ic.Block.Index++ } } standBySorted := bc.GetStandByValidators() sort.Sort(standBySorted) pubs, err := neo.ComputeNextBlockValidators(bc, ic.DAO) require.NoError(t, err) require.Equal(t, standBySorted, pubs) sz := testchain.Size() candidates := make(keys.PublicKeys, sz) for i := 0; i < sz; i++ { priv, err := keys.NewPrivateKey() require.NoError(t, err) candidates[i] = priv.PublicKey() if i > 0 { require.NoError(t, neo.RegisterCandidateInternal(ic, candidates[i])) } } for i := 0; i < sz; i++ { to := testchain.PrivateKeyByID(i).GetScriptHash() ic.VM.Load(testchain.MultisigVerificationScript()) ic.VM.LoadScriptWithHash(testchain.MultisigVerificationScript(), testchain.MultisigScriptHash(), smartcontract.All) require.NoError(t, neo.TransferInternal(ic, testchain.MultisigScriptHash(), to, big.NewInt(int64(sz-i)*10000000))) } for i := 1; i < sz; i++ { priv := testchain.PrivateKeyByID(i) h := priv.GetScriptHash() setSigner(tx, h) ic.VM.Load(priv.PublicKey().GetVerificationScript()) require.NoError(t, neo.VoteInternal(ic, h, candidates[i])) } // We still haven't voted enough validators in. pubs, err = neo.ComputeNextBlockValidators(bc, ic.DAO) require.NoError(t, err) require.Equal(t, standBySorted, pubs) advanceChain(t) pubs = neo.GetNextBlockValidatorsInternal() require.EqualValues(t, standBySorted, pubs) // Register and give some value to the last validator. require.NoError(t, neo.RegisterCandidateInternal(ic, candidates[0])) priv := testchain.PrivateKeyByID(0) h := priv.GetScriptHash() setSigner(tx, h) ic.VM.Load(priv.PublicKey().GetVerificationScript()) require.NoError(t, neo.VoteInternal(ic, h, candidates[0])) for i := testchain.ValidatorsCount; i < testchain.CommitteeSize(); i++ { priv := testchain.PrivateKey(i) require.NoError(t, neo.RegisterCandidateInternal(ic, priv.PublicKey())) } advanceChain(t) pubs, err = neo.ComputeNextBlockValidators(bc, ic.DAO) require.NoError(t, err) sortedCandidates := candidates.Copy() sort.Sort(sortedCandidates) require.EqualValues(t, sortedCandidates, pubs) pubs = neo.GetNextBlockValidatorsInternal() require.EqualValues(t, sortedCandidates, pubs) require.NoError(t, neo.UnregisterCandidateInternal(ic, candidates[0])) require.Error(t, neo.VoteInternal(ic, h, candidates[0])) advanceChain(t) pubs, err = neo.ComputeNextBlockValidators(bc, ic.DAO) require.NoError(t, err) for i := range pubs { require.NotEqual(t, candidates[0], pubs[i]) } } func TestNEO_SetGasPerBlock(t *testing.T) { bc := newTestChain(t) defer bc.Close() neo := bc.contracts.NEO tx := transaction.New(netmode.UnitTestNet, []byte{}, 0) ic := bc.newInteropContext(trigger.System, bc.dao, nil, tx) ic.SpawnVM() ic.VM.LoadScript([]byte{byte(opcode.RET)}) h := neo.GetCommitteeAddress() t.Run("Default", func(t *testing.T) { g := neo.GetGASPerBlock(ic.DAO, 0) require.EqualValues(t, 5*native.GASFactor, g.Int64()) }) t.Run("Invalid", func(t *testing.T) { t.Run("InvalidSignature", func(t *testing.T) { setSigner(tx, util.Uint160{}) ok, err := neo.SetGASPerBlock(ic, 10, big.NewInt(native.GASFactor)) require.NoError(t, err) require.False(t, ok) }) t.Run("TooBigValue", func(t *testing.T) { setSigner(tx, h) _, err := neo.SetGASPerBlock(ic, 10, big.NewInt(10*native.GASFactor+1)) require.Error(t, err) }) }) t.Run("Valid", func(t *testing.T) { setSigner(tx, h) ok, err := neo.SetGASPerBlock(ic, 10, big.NewInt(native.GASFactor*2)) require.NoError(t, err) require.True(t, ok) neo.OnPersistEnd(ic.DAO) _, err = ic.DAO.Persist() require.NoError(t, err) t.Run("Again", func(t *testing.T) { setSigner(tx, h) ok, err := neo.SetGASPerBlock(ic, 10, big.NewInt(native.GASFactor)) require.NoError(t, err) require.True(t, ok) t.Run("NotPersisted", func(t *testing.T) { g := neo.GetGASPerBlock(bc.dao, 10) // Old value should be returned. require.EqualValues(t, 2*native.GASFactor, g.Int64()) }) }) neo.OnPersistEnd(ic.DAO) g := neo.GetGASPerBlock(ic.DAO, 9) require.EqualValues(t, 5*native.GASFactor, g.Int64()) g = neo.GetGASPerBlock(ic.DAO, 10) require.EqualValues(t, native.GASFactor, g.Int64()) }) } func TestNEO_CalculateBonus(t *testing.T) { bc := newTestChain(t) defer bc.Close() neo := bc.contracts.NEO tx := transaction.New(netmode.UnitTestNet, []byte{}, 0) ic := bc.newInteropContext(trigger.System, bc.dao, nil, tx) ic.SpawnVM() ic.VM.LoadScript([]byte{byte(opcode.RET)}) t.Run("Invalid", func(t *testing.T) { _, err := neo.CalculateBonus(ic, new(big.Int).SetInt64(-1), 0, 1) require.Error(t, err) }) t.Run("Zero", func(t *testing.T) { res, err := neo.CalculateBonus(ic, big.NewInt(0), 0, 100) require.NoError(t, err) require.EqualValues(t, 0, res.Int64()) }) t.Run("ManyBlocks", func(t *testing.T) { setSigner(tx, neo.GetCommitteeAddress()) ok, err := neo.SetGASPerBlock(ic, 10, big.NewInt(1*native.GASFactor)) require.NoError(t, err) require.True(t, ok) res, err := neo.CalculateBonus(ic, big.NewInt(100), 5, 15) require.NoError(t, err) require.EqualValues(t, (100*5*5/10)+(100*5*1/10), res.Int64()) }) } func TestNEO_CommitteeBountyOnPersist(t *testing.T) { bc := newTestChain(t) defer bc.Close() hs := make([]util.Uint160, testchain.CommitteeSize()) for i := range hs { hs[i] = testchain.PrivateKeyByID(i).GetScriptHash() } const singleBounty = 25000000 bs := map[int]int64{0: singleBounty} checkBalances := func() { for i := 0; i < testchain.CommitteeSize(); i++ { require.EqualValues(t, bs[i], bc.GetUtilityTokenBalance(hs[i]).Int64(), i) } } for i := 0; i < testchain.CommitteeSize()*2; i++ { require.NoError(t, bc.AddBlock(bc.newBlock())) bs[(i+1)%testchain.CommitteeSize()] += singleBounty checkBalances() } }