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Merge pull request #1809 from nspcc-dev/fix/syscalltest
compiler: add test for syscall handling
This commit is contained in:
Roman Khimov
GitHub
commit
1d70504003
3 changed files with 135 additions and 2 deletions
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@ -1,9 +1,15 @@
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package compiler_test
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import (
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"errors"
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"fmt"
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"math/big"
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"strings"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/compiler"
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"github.com/nspcc-dev/neo-go/pkg/core"
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"github.com/nspcc-dev/neo-go/pkg/core/interop"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
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istorage "github.com/nspcc-dev/neo-go/pkg/core/interop/storage"
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"github.com/nspcc-dev/neo-go/pkg/interop/contract"
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@ -37,6 +43,133 @@ func TestFindFlags(t *testing.T) {
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require.EqualValues(t, storage.PickField1, istorage.FindPick1)
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}
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type syscallTestCase struct {
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method string
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params []string
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isVoid bool
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}
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// This test ensures that our wrappers have necessary number of parameters
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// and execute needed syscall. Because of lack of typing (compared to native contracts)
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// parameter types can't be checked.
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func TestSyscallExecution(t *testing.T) {
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b := `[]byte{1}`
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u160 := `interop.Hash160("aaaaaaaaaaaaaaaaaaaa")`
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pub := `interop.PublicKey("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")`
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pubs := "[]interop.PublicKey{ " + pub + "}"
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sig := `interop.Signature("aaaaaa")`
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sigs := "[]interop.Signature{" + sig + "}"
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sctx := "storage.Context{}"
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interops := map[string]syscallTestCase{
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"binary.Atoi": {interopnames.SystemBinaryAtoi, []string{`"123"`, "10"}, false},
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"binary.Base58Decode": {interopnames.SystemBinaryBase58Decode, []string{b}, false},
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"binary.Base58Encode": {interopnames.SystemBinaryBase58Encode, []string{b}, false},
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"binary.Base64Decode": {interopnames.SystemBinaryBase64Decode, []string{b}, false},
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"binary.Base64Encode": {interopnames.SystemBinaryBase64Encode, []string{b}, false},
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"binary.Deserialize": {interopnames.SystemBinaryDeserialize, []string{b}, false},
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"binary.Itoa": {interopnames.SystemBinaryItoa, []string{"123", "10"}, false},
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"binary.Serialize": {interopnames.SystemBinarySerialize, []string{"10"}, false},
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"contract.Call": {interopnames.SystemContractCall, []string{u160, `"m"`, "1", "3"}, false},
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"contract.CreateMultisigAccount": {interopnames.SystemContractCreateMultisigAccount, []string{"1", pubs}, false},
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"contract.CreateStandardAccount": {interopnames.SystemContractCreateStandardAccount, []string{pub}, false},
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"contract.IsStandard": {interopnames.SystemContractIsStandard, []string{b}, false},
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"contract.GetCallFlags": {interopnames.SystemContractGetCallFlags, nil, false},
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"iterator.Create": {interopnames.SystemIteratorCreate, []string{pubs}, false},
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"iterator.Next": {interopnames.SystemIteratorNext, []string{"iterator.Iterator{}"}, false},
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"iterator.Value": {interopnames.SystemIteratorValue, []string{"iterator.Iterator{}"}, false},
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"json.FromJSON": {interopnames.SystemJSONDeserialize, []string{b}, false},
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"json.ToJSON": {interopnames.SystemJSONSerialize, []string{b}, false},
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"runtime.CheckWitness": {interopnames.SystemRuntimeCheckWitness, []string{b}, false},
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"runtime.GasLeft": {interopnames.SystemRuntimeGasLeft, nil, false},
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"runtime.GetCallingScriptHash": {interopnames.SystemRuntimeGetCallingScriptHash, nil, false},
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"runtime.GetEntryScriptHash": {interopnames.SystemRuntimeGetEntryScriptHash, nil, false},
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"runtime.GetExecutingScriptHash": {interopnames.SystemRuntimeGetExecutingScriptHash, nil, false},
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"runtime.GetInvocationCounter": {interopnames.SystemRuntimeGetInvocationCounter, nil, false},
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"runtime.GetNotifications": {interopnames.SystemRuntimeGetNotifications, []string{u160}, false},
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"runtime.GetScriptContainer": {interopnames.SystemRuntimeGetScriptContainer, nil, false},
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"runtime.GetTime": {interopnames.SystemRuntimeGetTime, nil, false},
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"runtime.GetTrigger": {interopnames.SystemRuntimeGetTrigger, nil, false},
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"runtime.Log": {interopnames.SystemRuntimeLog, []string{`"msg"`}, true},
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"runtime.Notify": {interopnames.SystemRuntimeNotify, []string{`"ev"`, "1"}, true},
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"runtime.Platform": {interopnames.SystemRuntimePlatform, nil, false},
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"storage.Delete": {interopnames.SystemStorageDelete, []string{sctx, b}, true},
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"storage.Find": {interopnames.SystemStorageFind, []string{sctx, b, "storage.None"}, false},
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"storage.Get": {interopnames.SystemStorageGet, []string{sctx, b}, false},
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"storage.GetContext": {interopnames.SystemStorageGetContext, nil, false},
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"storage.GetReadOnlyContext": {interopnames.SystemStorageGetReadOnlyContext, nil, false},
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"storage.Put": {interopnames.SystemStoragePut, []string{sctx, b, b}, true},
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"storage.PutEx": {interopnames.SystemStoragePutEx, []string{sctx, b, b, "storage.PutConstant"}, true},
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"storage.ConvertContextToReadOnly": {interopnames.SystemStorageAsReadOnly, []string{sctx}, false},
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"crypto.ECDsaSecp256r1Verify": {interopnames.NeoCryptoVerifyWithECDsaSecp256r1, []string{b, pub, sig}, false},
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"crypto.ECDsaSecp256k1Verify": {interopnames.NeoCryptoVerifyWithECDsaSecp256k1, []string{b, pub, sig}, false},
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"crypto.ECDSASecp256r1CheckMultisig": {interopnames.NeoCryptoCheckMultisigWithECDsaSecp256r1, []string{b, pubs, sigs}, false},
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"crypto.ECDSASecp256k1CheckMultisig": {interopnames.NeoCryptoCheckMultisigWithECDsaSecp256k1, []string{b, pubs, sigs}, false},
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"crypto.SHA256": {interopnames.NeoCryptoSHA256, []string{b}, false},
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"crypto.RIPEMD160": {interopnames.NeoCryptoRIPEMD160, []string{b}, false},
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}
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ic := &interop.Context{}
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core.SpawnVM(ic) // set Functions field
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for _, fs := range ic.Functions {
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for i := range fs {
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// It will be set in test and we want to fail if calling invalid syscall.
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fs[i].Func = nil
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}
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}
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for goName, tc := range interops {
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t.Run(goName, func(t *testing.T) {
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runSyscallTestCase(t, ic, goName, tc)
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})
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}
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}
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func runSyscallTestCase(t *testing.T, ic *interop.Context, goName string, tc syscallTestCase) {
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syscallID := interopnames.ToID([]byte(tc.method))
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f := ic.GetFunction(syscallID)
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require.NotNil(t, f)
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require.Equal(t, f.ParamCount, len(tc.params))
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called := false
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f.Func = func(ic *interop.Context) error {
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called = true
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if ic.VM.Estack().Len() < f.ParamCount {
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return errors.New("not enough parameters")
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}
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for i := 0; i < f.ParamCount; i++ {
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ic.VM.Estack().Pop()
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}
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if !tc.isVoid {
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ic.VM.Estack().PushVal(42)
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}
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return nil
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}
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defer func() { f.Func = nil }()
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srcTmpl := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/interop/%s"
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import "github.com/nspcc-dev/neo-go/pkg/interop"
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func unused() { var _ interop.Hash160 }
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`
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if tc.isVoid {
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srcTmpl += `func Main() { %s(%s) }`
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} else {
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srcTmpl += `func Main() interface{} { return %s(%s) }`
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}
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ss := strings.Split(goName, ".")
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src := fmt.Sprintf(srcTmpl, ss[0], goName, strings.Join(tc.params, ", "))
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b, _, err := compiler.CompileWithDebugInfo("foo", strings.NewReader(src))
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require.NoError(t, err)
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v := ic.SpawnVM()
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v.LoadScriptWithFlags(b, callflag.All)
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require.NoError(t, v.Run())
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require.True(t, called)
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if tc.isVoid {
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require.Equal(t, 0, v.Estack().Len())
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} else {
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require.Equal(t, 1, v.Estack().Len())
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require.Equal(t, big.NewInt(42), v.Estack().Pop().Value())
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}
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}
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func TestStoragePutGet(t *testing.T) {
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src := `
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package foo
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@ -73,7 +73,7 @@ var systemInterops = []interop.Function{
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{Name: interopnames.SystemStorageDelete, Func: storageDelete, Price: 0,
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RequiredFlags: callflag.WriteStates, ParamCount: 2},
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{Name: interopnames.SystemStorageFind, Func: storageFind, Price: 1 << 15, RequiredFlags: callflag.ReadStates,
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ParamCount: 2},
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ParamCount: 3},
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{Name: interopnames.SystemStorageGet, Func: storageGet, Price: 1 << 15, RequiredFlags: callflag.ReadStates,
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ParamCount: 2},
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{Name: interopnames.SystemStorageGetContext, Func: storageGetContext, Price: 1 << 4,
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@ -46,7 +46,7 @@ func CreateStandardAccount(pub interop.PublicKey) []byte {
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// GetCallFlags returns calling flags which execution context was created with.
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// This function uses `System.Contract.GetCallFlags` syscall.
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func GetCallFlags() CallFlag {
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return neogointernal.Syscall0("System.Contract.GetFlags").(CallFlag)
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return neogointernal.Syscall0("System.Contract.GetCallFlags").(CallFlag)
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}
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// Call executes previously deployed blockchain contract with specified hash
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