package core import ( "errors" "testing" "github.com/nspcc-dev/neo-go/pkg/config/netmode" "github.com/nspcc-dev/neo-go/pkg/core/block" "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/io" "github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger" "github.com/nspcc-dev/neo-go/pkg/vm" "github.com/nspcc-dev/neo-go/pkg/vm/emit" "github.com/nspcc-dev/neo-go/pkg/vm/opcode" "github.com/nspcc-dev/neo-go/pkg/vm/stackitem" "github.com/stretchr/testify/require" ) func (bc *Blockchain) setNodesByRole(t *testing.T, ok bool, r native.Role, nodes keys.PublicKeys) { w := io.NewBufBinWriter() for _, pub := range nodes { emit.Bytes(w.BinWriter, pub.Bytes()) } emit.Int(w.BinWriter, int64(len(nodes))) emit.Opcodes(w.BinWriter, opcode.PACK) emit.Int(w.BinWriter, int64(r)) emit.Int(w.BinWriter, 2) emit.Opcodes(w.BinWriter, opcode.PACK) emit.String(w.BinWriter, "designateAsRole") emit.AppCall(w.BinWriter, bc.contracts.Designate.Hash) require.NoError(t, w.Err) tx := transaction.New(netmode.UnitTestNet, w.Bytes(), 0) tx.NetworkFee = 10_000_000 tx.SystemFee = 10_000_000 tx.ValidUntilBlock = 100 tx.Signers = []transaction.Signer{ { Account: testchain.MultisigScriptHash(), Scopes: transaction.None, }, { Account: testchain.CommitteeScriptHash(), Scopes: transaction.CalledByEntry, }, } require.NoError(t, signTx(bc, tx)) tx.Scripts = append(tx.Scripts, transaction.Witness{ InvocationScript: testchain.SignCommittee(tx.GetSignedPart()), VerificationScript: testchain.CommitteeVerificationScript(), }) require.NoError(t, bc.AddBlock(bc.newBlock(tx))) aer, err := bc.GetAppExecResults(tx.Hash(), trigger.Application) require.NoError(t, err) require.Equal(t, 1, len(aer)) if ok { require.Equal(t, vm.HaltState, aer[0].VMState) } else { require.Equal(t, vm.FaultState, aer[0].VMState) } } func (bc *Blockchain) getNodesByRole(t *testing.T, ok bool, r native.Role, index uint32, resLen int) { w := io.NewBufBinWriter() emit.AppCallWithOperationAndArgs(w.BinWriter, bc.contracts.Designate.Hash, "getDesignatedByRole", int64(r), int64(index)) require.NoError(t, w.Err) tx := transaction.New(netmode.UnitTestNet, w.Bytes(), 0) tx.NetworkFee = 10_000_000 tx.SystemFee = 10_000_000 tx.ValidUntilBlock = 100 tx.Signers = []transaction.Signer{ { Account: testchain.MultisigScriptHash(), Scopes: transaction.None, }, } require.NoError(t, signTx(bc, tx)) require.NoError(t, bc.AddBlock(bc.newBlock(tx))) aer, err := bc.GetAppExecResults(tx.Hash(), trigger.Application) require.NoError(t, err) require.Equal(t, 1, len(aer)) if ok { require.Equal(t, vm.HaltState, aer[0].VMState) require.Equal(t, 1, len(aer[0].Stack)) arrItem := aer[0].Stack[0] require.Equal(t, stackitem.ArrayT, arrItem.Type()) arr := arrItem.(*stackitem.Array) require.Equal(t, resLen, arr.Len()) } else { require.Equal(t, vm.FaultState, aer[0].VMState) } } func TestDesignate_DesignateAsRoleTx(t *testing.T) { bc := newTestChain(t) defer bc.Close() priv, err := keys.NewPrivateKey() require.NoError(t, err) pubs := keys.PublicKeys{priv.PublicKey()} bc.setNodesByRole(t, false, 0xFF, pubs) bc.setNodesByRole(t, true, native.RoleOracle, pubs) index := bc.BlockHeight() + 1 bc.getNodesByRole(t, false, 0xFF, 0, 0) bc.getNodesByRole(t, false, native.RoleOracle, 100500, 0) bc.getNodesByRole(t, true, native.RoleOracle, 0, 0) // returns an empty list bc.getNodesByRole(t, true, native.RoleOracle, index, 1) // returns pubs } func TestDesignate_DesignateAsRole(t *testing.T) { bc := newTestChain(t) defer bc.Close() des := bc.contracts.Designate tx := transaction.New(netmode.UnitTestNet, []byte{}, 0) bl := block.New(netmode.UnitTestNet, bc.config.StateRootInHeader) bl.Index = bc.BlockHeight() + 1 ic := bc.newInteropContext(trigger.OnPersist, bc.dao, bl, tx) ic.SpawnVM() ic.VM.LoadScript([]byte{byte(opcode.RET)}) pubs, index, err := des.GetDesignatedByRole(bc.dao, 0xFF, 255) require.True(t, errors.Is(err, native.ErrInvalidRole), "got: %v", err) pubs, index, err = des.GetDesignatedByRole(bc.dao, native.RoleOracle, 255) require.NoError(t, err) require.Equal(t, 0, len(pubs)) require.Equal(t, uint32(0), index) err = des.DesignateAsRole(ic, native.RoleOracle, keys.PublicKeys{}) require.True(t, errors.Is(err, native.ErrEmptyNodeList), "got: %v", err) err = des.DesignateAsRole(ic, native.RoleOracle, make(keys.PublicKeys, 32+1)) require.True(t, errors.Is(err, native.ErrLargeNodeList), "got: %v", err) priv, err := keys.NewPrivateKey() require.NoError(t, err) pub := priv.PublicKey() err = des.DesignateAsRole(ic, 0xFF, keys.PublicKeys{pub}) require.True(t, errors.Is(err, native.ErrInvalidRole), "got: %v", err) err = des.DesignateAsRole(ic, native.RoleOracle, keys.PublicKeys{pub}) require.True(t, errors.Is(err, native.ErrInvalidWitness), "got: %v", err) setSigner(tx, testchain.CommitteeScriptHash()) err = des.DesignateAsRole(ic, native.RoleOracle, keys.PublicKeys{pub}) require.NoError(t, err) require.NoError(t, des.OnPersistEnd(ic.DAO)) pubs, index, err = des.GetDesignatedByRole(ic.DAO, native.RoleOracle, bl.Index+1) require.NoError(t, err) require.Equal(t, keys.PublicKeys{pub}, pubs) require.Equal(t, bl.Index+1, index) pubs, index, err = des.GetDesignatedByRole(ic.DAO, native.RoleStateValidator, 255) require.NoError(t, err) require.Equal(t, 0, len(pubs)) require.Equal(t, uint32(0), index) // Set another role. _, err = keys.NewPrivateKey() require.NoError(t, err) pub1 := priv.PublicKey() err = des.DesignateAsRole(ic, native.RoleStateValidator, keys.PublicKeys{pub1}) require.NoError(t, err) require.NoError(t, des.OnPersistEnd(ic.DAO)) pubs, index, err = des.GetDesignatedByRole(ic.DAO, native.RoleOracle, 255) require.NoError(t, err) require.Equal(t, keys.PublicKeys{pub}, pubs) require.Equal(t, bl.Index+1, index) pubs, index, err = des.GetDesignatedByRole(ic.DAO, native.RoleStateValidator, 255) require.NoError(t, err) require.Equal(t, keys.PublicKeys{pub1}, pubs) require.Equal(t, bl.Index+1, index) }