215 lines
7.6 KiB
Go
215 lines
7.6 KiB
Go
package native_test
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import (
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"encoding/json"
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"fmt"
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"path/filepath"
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"strings"
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"testing"
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"github.com/nspcc-dev/neo-go/internal/contracts"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/core/fee"
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"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
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"github.com/nspcc-dev/neo-go/pkg/neotest"
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"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/stretchr/testify/require"
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)
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var pathToInternalContracts = filepath.Join("..", "..", "..", "internal", "contracts")
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func TestNativeContract_Invoke(t *testing.T) {
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const (
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transferCPUFee = 1 << 17
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transferStorageFee = 50
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systemContractCallPrice = 1 << 15
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)
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bc, validator, committee := chain.NewMulti(t)
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e := neotest.NewExecutor(t, bc, validator, committee)
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gasHash := e.NativeHash(t, nativenames.Gas)
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baseExecFee := bc.GetBaseExecFee()
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price := fee.Opcode(baseExecFee, opcode.SYSCALL, // System.Contract.Call
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opcode.PUSHDATA1, // contract hash (20 byte)
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opcode.PUSHDATA1, // method
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opcode.PUSH15, // call flags
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// `transfer` args:
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opcode.PUSHDATA1, // from
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opcode.PUSHDATA1, // to
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opcode.PUSH1, // amount
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opcode.PUSHNULL, // data
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// end args
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opcode.PUSH4, // amount of args
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opcode.PACK, // pack args
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)
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price += systemContractCallPrice*baseExecFee + // System.Contract.Call price
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transferCPUFee*baseExecFee + // `transfer` itself
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transferStorageFee*bc.GetStoragePrice() // `transfer` storage price
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tx := e.NewUnsignedTx(t, gasHash, "transfer", validator.ScriptHash(), validator.ScriptHash(), 1, nil)
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e.SignTx(t, tx, -1, validator)
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e.AddNewBlock(t, tx)
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e.CheckHalt(t, tx.Hash(), stackitem.Make(true))
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// Enough for Call and other opcodes, but not enough for "transfer" call.
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tx = e.NewUnsignedTx(t, gasHash, "transfer", validator.ScriptHash(), validator.ScriptHash(), 1, nil)
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e.SignTx(t, tx, price-1, validator)
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e.AddNewBlock(t, tx)
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e.CheckFault(t, tx.Hash(), "gas limit exceeded")
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}
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func TestNativeContract_InvokeInternal(t *testing.T) {
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bc, validator, committee := chain.NewMulti(t)
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e := neotest.NewExecutor(t, bc, validator, committee)
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clState := bc.GetContractState(e.NativeHash(t, nativenames.CryptoLib))
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require.NotNil(t, clState)
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md := clState.Manifest.ABI.GetMethod("ripemd160", 1)
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require.NotNil(t, md)
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t.Run("fail, bad current script hash", func(t *testing.T) {
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ic, err := bc.GetTestVM(trigger.Application, nil, nil)
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require.NoError(t, err)
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v := ic.SpawnVM()
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fakeH := util.Uint160{1, 2, 3}
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v.LoadScriptWithHash(clState.NEF.Script, fakeH, callflag.All)
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input := []byte{1, 2, 3, 4}
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v.Estack().PushVal(input)
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v.Context().Jump(md.Offset)
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// Bad current script hash
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err = v.Run()
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require.Error(t, err)
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require.True(t, strings.Contains(err.Error(), fmt.Sprintf("native contract %s (version 0) not found", fakeH.StringLE())), err.Error())
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})
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/*
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t.Run("fail, bad NativeUpdateHistory height", func(t *testing.T) {
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bcBad, validatorBad, committeeBad := chain.NewMultiWithCustomConfig(t, func(c *config.Blockchain) {
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c.NativeUpdateHistories = map[string][]uint32{
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nativenames.Policy: {0},
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nativenames.Neo: {0},
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nativenames.Gas: {0},
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nativenames.Designation: {0},
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nativenames.StdLib: {0},
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nativenames.Management: {0},
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nativenames.Oracle: {0},
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nativenames.Ledger: {0},
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nativenames.CryptoLib: {1},
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}
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})
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eBad := neotest.NewExecutor(t, bcBad, validatorBad, committeeBad)
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ic, err := bcBad.GetTestVM(trigger.Application, nil, nil)
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require.NoError(t, err)
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v := ic.SpawnVM()
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v.LoadScriptWithHash(clState.NEF.Script, clState.Hash, callflag.All) // hash is not affected by native update history
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input := []byte{1, 2, 3, 4}
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v.Estack().PushVal(input)
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v.Context().Jump(md.Offset)
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// It's prohibited to call natives before NativeUpdateHistory[0] height.
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err = v.Run()
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require.Error(t, err)
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require.True(t, strings.Contains(err.Error(), "native contract CryptoLib is active after height = 1"))
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// Add new block => CryptoLib should be active now.
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eBad.AddNewBlock(t)
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ic, err = bcBad.GetTestVM(trigger.Application, nil, nil)
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require.NoError(t, err)
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v = ic.SpawnVM()
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v.LoadScriptWithHash(clState.NEF.Script, clState.Hash, callflag.All) // hash is not affected by native update history
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v.Estack().PushVal(input)
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v.Context().Jump(md.Offset)
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require.NoError(t, v.Run())
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value := v.Estack().Pop().Bytes()
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require.Equal(t, hash.RipeMD160(input).BytesBE(), value)
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})
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*/
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manState := bc.GetContractState(e.NativeHash(t, nativenames.Management))
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require.NotNil(t, manState)
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mdDeploy := manState.Manifest.ABI.GetMethod("deploy", 2)
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require.NotNil(t, mdDeploy)
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t.Run("fail, bad call flag", func(t *testing.T) {
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ic, err := bc.GetTestVM(trigger.Application, nil, nil)
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require.NoError(t, err)
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v := ic.SpawnVM()
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v.LoadScriptWithHash(manState.NEF.Script, manState.Hash, callflag.States|callflag.AllowNotify)
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input := []byte{1, 2, 3, 4}
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v.Estack().PushVal(input)
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v.Estack().PushVal(input)
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v.Context().Jump(mdDeploy.Offset)
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// Can't call with these flags, Aspidochelone is active.
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err = v.Run()
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require.Error(t, err)
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require.True(t, strings.Contains(err.Error(), "missing call flags for native 0 `deploy` operation call"))
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})
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t.Run("good, pre-aspidochelone deploy", func(t *testing.T) {
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bc, _, _ := chain.NewMultiWithCustomConfig(t, func(c *config.Blockchain) {
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c.Hardforks = map[string]uint32{
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config.HFAspidochelone.String(): 100500,
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}
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})
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ic, err := bc.GetTestVM(trigger.Application, nil, nil)
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require.NoError(t, err)
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v := ic.SpawnVM()
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v.LoadScriptWithHash(manState.NEF.Script, manState.Hash, callflag.States|callflag.AllowNotify)
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input := []byte{1, 2, 3, 4}
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v.Estack().PushVal(input)
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v.Estack().PushVal(input)
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v.Context().Jump(mdDeploy.Offset)
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// We have an invalid input, but call flags are OK.
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err = v.Run()
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require.Error(t, err)
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require.True(t, strings.Contains(err.Error(), "invalid NEF file"))
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})
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t.Run("success", func(t *testing.T) {
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ic, err := bc.GetTestVM(trigger.Application, nil, nil)
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require.NoError(t, err)
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v := ic.SpawnVM()
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v.LoadScriptWithHash(clState.NEF.Script, clState.Hash, callflag.All)
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input := []byte{1, 2, 3, 4}
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v.Estack().PushVal(input)
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v.Context().Jump(md.Offset)
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require.NoError(t, v.Run())
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value := v.Estack().Pop().Bytes()
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require.Equal(t, hash.RipeMD160(input).BytesBE(), value)
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})
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}
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func TestNativeContract_InvokeOtherContract(t *testing.T) {
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bc, validator, committee := chain.NewMulti(t)
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e := neotest.NewExecutor(t, bc, validator, committee)
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managementInvoker := e.ValidatorInvoker(e.NativeHash(t, nativenames.Management))
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gasInvoker := e.ValidatorInvoker(e.NativeHash(t, nativenames.Gas))
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cs, _ := contracts.GetTestContractState(t, pathToInternalContracts, 1, 2, validator.ScriptHash())
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cs.Hash = state.CreateContractHash(validator.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name) // set proper hash
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manifB, err := json.Marshal(cs.Manifest)
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require.NoError(t, err)
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nefB, err := cs.NEF.Bytes()
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require.NoError(t, err)
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si, err := cs.ToStackItem()
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require.NoError(t, err)
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managementInvoker.Invoke(t, si, "deploy", nefB, manifB)
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t.Run("non-native, no return", func(t *testing.T) {
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// `onNEP17Payment` will be invoked on test contract from GAS contract.
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gasInvoker.Invoke(t, true, "transfer", validator.ScriptHash(), cs.Hash, 1, nil)
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})
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}
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