269 lines
7.8 KiB
Go
269 lines
7.8 KiB
Go
package core
|
|
|
|
import (
|
|
"math/big"
|
|
"testing"
|
|
|
|
"github.com/nspcc-dev/neo-go/pkg/config/netmode"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/dao"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/interop"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/interop/contract"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/native"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/state"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/storage"
|
|
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
|
|
"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
|
|
"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"
|
|
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
type testNative struct {
|
|
meta interop.ContractMD
|
|
blocks chan uint32
|
|
}
|
|
|
|
func (tn *testNative) Initialize(_ *interop.Context) error {
|
|
return nil
|
|
}
|
|
|
|
func (tn *testNative) Metadata() *interop.ContractMD {
|
|
return &tn.meta
|
|
}
|
|
|
|
func (tn *testNative) OnPersist(ic *interop.Context, _ []stackitem.Item) stackitem.Item {
|
|
if ic.Trigger != trigger.OnPersist {
|
|
panic("invalid trigger")
|
|
}
|
|
select {
|
|
case tn.blocks <- ic.Block.Index:
|
|
return stackitem.NewBool(true)
|
|
default:
|
|
return stackitem.NewBool(false)
|
|
}
|
|
}
|
|
|
|
var _ interop.Contract = (*testNative)(nil)
|
|
|
|
// registerNative registers native contract in the blockchain.
|
|
func (bc *Blockchain) registerNative(c interop.Contract) {
|
|
bc.contracts.Contracts = append(bc.contracts.Contracts, c)
|
|
}
|
|
|
|
const testSumPrice = 1000000
|
|
|
|
func newTestNative() *testNative {
|
|
tn := &testNative{
|
|
meta: *interop.NewContractMD("Test.Native.Sum"),
|
|
blocks: make(chan uint32, 1),
|
|
}
|
|
desc := &manifest.Method{
|
|
Name: "sum",
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("addend1", smartcontract.IntegerType),
|
|
manifest.NewParameter("addend2", smartcontract.IntegerType),
|
|
},
|
|
ReturnType: smartcontract.IntegerType,
|
|
Safe: true,
|
|
}
|
|
md := &interop.MethodAndPrice{
|
|
Func: tn.sum,
|
|
Price: testSumPrice,
|
|
RequiredFlags: smartcontract.NoneFlag,
|
|
}
|
|
tn.meta.AddMethod(md, desc)
|
|
|
|
desc = &manifest.Method{
|
|
Name: "callOtherContractNoReturn",
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("contractHash", smartcontract.Hash160Type),
|
|
manifest.NewParameter("method", smartcontract.StringType),
|
|
manifest.NewParameter("arg", smartcontract.ArrayType),
|
|
},
|
|
ReturnType: smartcontract.VoidType,
|
|
Safe: true,
|
|
}
|
|
md = &interop.MethodAndPrice{
|
|
Func: tn.callOtherContractNoReturn,
|
|
Price: testSumPrice,
|
|
RequiredFlags: smartcontract.NoneFlag}
|
|
tn.meta.AddMethod(md, desc)
|
|
|
|
desc = &manifest.Method{
|
|
Name: "callOtherContractWithReturn",
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("contractHash", smartcontract.Hash160Type),
|
|
manifest.NewParameter("method", smartcontract.StringType),
|
|
manifest.NewParameter("arg", smartcontract.ArrayType),
|
|
},
|
|
ReturnType: smartcontract.IntegerType,
|
|
}
|
|
md = &interop.MethodAndPrice{
|
|
Func: tn.callOtherContractWithReturn,
|
|
Price: testSumPrice,
|
|
RequiredFlags: smartcontract.NoneFlag}
|
|
tn.meta.AddMethod(md, desc)
|
|
|
|
desc = &manifest.Method{Name: "onPersist", ReturnType: smartcontract.BoolType}
|
|
md = &interop.MethodAndPrice{Func: tn.OnPersist, RequiredFlags: smartcontract.AllowModifyStates}
|
|
tn.meta.AddMethod(md, desc)
|
|
|
|
return tn
|
|
}
|
|
|
|
func (tn *testNative) sum(_ *interop.Context, args []stackitem.Item) stackitem.Item {
|
|
s1, err := args[0].TryInteger()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
s2, err := args[1].TryInteger()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return stackitem.NewBigInteger(s1.Add(s1, s2))
|
|
}
|
|
|
|
func toUint160(item stackitem.Item) util.Uint160 {
|
|
bs, err := item.TryBytes()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
u, err := util.Uint160DecodeBytesBE(bs)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return u
|
|
}
|
|
|
|
func (tn *testNative) call(ic *interop.Context, args []stackitem.Item, checkReturn vm.CheckReturnState) {
|
|
h := toUint160(args[0])
|
|
bs, err := args[1].TryBytes()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
cs, err := ic.DAO.GetContractState(h)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
err = contract.CallFromNative(ic, tn.meta.Hash, cs, string(bs), args[2].Value().([]stackitem.Item), checkReturn)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func (tn *testNative) callOtherContractNoReturn(ic *interop.Context, args []stackitem.Item) stackitem.Item {
|
|
tn.call(ic, args, vm.EnsureIsEmpty)
|
|
return stackitem.Null{}
|
|
}
|
|
|
|
func (tn *testNative) callOtherContractWithReturn(ic *interop.Context, args []stackitem.Item) stackitem.Item {
|
|
tn.call(ic, args, vm.EnsureNotEmpty)
|
|
bi := ic.VM.Estack().Pop().BigInt()
|
|
return stackitem.Make(bi.Add(bi, big.NewInt(1)))
|
|
}
|
|
|
|
func TestNativeContract_Invoke(t *testing.T) {
|
|
chain := newTestChain(t)
|
|
defer chain.Close()
|
|
|
|
tn := newTestNative()
|
|
chain.registerNative(tn)
|
|
|
|
err := chain.dao.PutContractState(&state.Contract{
|
|
Script: tn.meta.Script,
|
|
Hash: tn.meta.Hash,
|
|
Manifest: tn.meta.Manifest,
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
// System.Contract.Call + "sum" itself + opcodes for pushing arguments (PACK is 15000)
|
|
res, err := invokeContractMethod(chain, testSumPrice*2+18000, tn.Metadata().Hash, "sum", int64(14), int64(28))
|
|
require.NoError(t, err)
|
|
checkResult(t, res, stackitem.Make(42))
|
|
require.NoError(t, chain.persist())
|
|
|
|
select {
|
|
case index := <-tn.blocks:
|
|
require.Equal(t, chain.blockHeight, index)
|
|
default:
|
|
require.Fail(t, "onPersist wasn't called")
|
|
}
|
|
|
|
// Enough for Call and other opcodes, but not enough for "sum" call.
|
|
res, err = invokeContractMethod(chain, testSumPrice*2+8000, tn.Metadata().Hash, "sum", int64(14), int64(28))
|
|
require.NoError(t, err)
|
|
checkFAULTState(t, res)
|
|
|
|
}
|
|
|
|
func TestNativeContract_InvokeInternal(t *testing.T) {
|
|
chain := newTestChain(t)
|
|
defer chain.Close()
|
|
|
|
tn := newTestNative()
|
|
chain.registerNative(tn)
|
|
|
|
err := chain.dao.PutContractState(&state.Contract{
|
|
Script: tn.meta.Script,
|
|
Manifest: tn.meta.Manifest,
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
d := dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet, chain.config.StateRootInHeader)
|
|
ic := chain.newInteropContext(trigger.Application, d, nil, nil)
|
|
v := ic.SpawnVM()
|
|
|
|
t.Run("fail, bad current script hash", func(t *testing.T) {
|
|
v.LoadScriptWithHash([]byte{1}, util.Uint160{1, 2, 3}, smartcontract.All)
|
|
v.Estack().PushVal(stackitem.NewArray([]stackitem.Item{stackitem.NewBigInteger(big.NewInt(14)), stackitem.NewBigInteger(big.NewInt(28))}))
|
|
v.Estack().PushVal("sum")
|
|
v.Estack().PushVal(tn.Metadata().Name)
|
|
|
|
// it's prohibited to call natives directly
|
|
require.Error(t, native.Call(ic))
|
|
})
|
|
|
|
t.Run("success", func(t *testing.T) {
|
|
v.LoadScriptWithHash([]byte{1}, tn.Metadata().Hash, smartcontract.All)
|
|
v.Estack().PushVal(stackitem.NewArray([]stackitem.Item{stackitem.NewBigInteger(big.NewInt(14)), stackitem.NewBigInteger(big.NewInt(28))}))
|
|
v.Estack().PushVal("sum")
|
|
v.Estack().PushVal(tn.Metadata().Name)
|
|
|
|
require.NoError(t, native.Call(ic))
|
|
|
|
value := v.Estack().Pop().BigInt()
|
|
require.Equal(t, int64(42), value.Int64())
|
|
})
|
|
}
|
|
|
|
func TestNativeContract_InvokeOtherContract(t *testing.T) {
|
|
chain := newTestChain(t)
|
|
defer chain.Close()
|
|
|
|
tn := newTestNative()
|
|
chain.registerNative(tn)
|
|
|
|
err := chain.dao.PutContractState(&state.Contract{
|
|
Hash: tn.meta.Hash,
|
|
Script: tn.meta.Script,
|
|
Manifest: tn.meta.Manifest,
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
cs, _ := getTestContractState()
|
|
require.NoError(t, chain.dao.PutContractState(cs))
|
|
|
|
t.Run("non-native, no return", func(t *testing.T) {
|
|
res, err := invokeContractMethod(chain, testSumPrice*4+10000, tn.Metadata().Hash, "callOtherContractNoReturn", cs.Hash, "justReturn", []interface{}{})
|
|
require.NoError(t, err)
|
|
checkResult(t, res, stackitem.Null{}) // simple call is done with EnsureNotEmpty
|
|
})
|
|
t.Run("non-native, with return", func(t *testing.T) {
|
|
res, err := invokeContractMethod(chain, testSumPrice*4+10000, tn.Metadata().Hash,
|
|
"callOtherContractWithReturn", cs.Hash, "ret7", []interface{}{})
|
|
require.NoError(t, err)
|
|
checkResult(t, res, stackitem.Make(8))
|
|
})
|
|
}
|