509 lines
18 KiB
Go
509 lines
18 KiB
Go
package core_test
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import (
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"encoding/json"
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"fmt"
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"math"
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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/internal/contracts"
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"github.com/nspcc-dev/neo-go/pkg/compiler"
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"github.com/nspcc-dev/neo-go/pkg/config"
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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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"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neo-go/pkg/io"
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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"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/util/slice"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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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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func TestSystemRuntimeGetRandom_DifferentTransactions(t *testing.T) {
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bc, acc := chain.NewSingle(t)
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e := neotest.NewExecutor(t, bc, acc, acc)
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w := io.NewBufBinWriter()
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetRandom)
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require.NoError(t, w.Err)
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script := w.Bytes()
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tx1 := e.PrepareInvocation(t, script, []neotest.Signer{e.Validator}, bc.BlockHeight()+1)
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tx2 := e.PrepareInvocation(t, script, []neotest.Signer{e.Validator}, bc.BlockHeight()+1)
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e.AddNewBlock(t, tx1, tx2)
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e.CheckHalt(t, tx1.Hash())
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e.CheckHalt(t, tx2.Hash())
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res1 := e.GetTxExecResult(t, tx1.Hash())
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res2 := e.GetTxExecResult(t, tx2.Hash())
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r1, err := res1.Stack[0].TryInteger()
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require.NoError(t, err)
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r2, err := res2.Stack[0].TryInteger()
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require.NoError(t, err)
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require.NotEqual(t, r1, r2)
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}
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func TestSystemContractCreateStandardAccount(t *testing.T) {
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bc, acc := chain.NewSingle(t)
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e := neotest.NewExecutor(t, bc, acc, acc)
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w := io.NewBufBinWriter()
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t.Run("Good", func(t *testing.T) {
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priv, err := keys.NewPrivateKey()
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require.NoError(t, err)
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pub := priv.PublicKey()
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emit.Bytes(w.BinWriter, pub.Bytes())
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emit.Syscall(w.BinWriter, interopnames.SystemContractCreateStandardAccount)
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require.NoError(t, w.Err)
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script := w.Bytes()
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tx := e.PrepareInvocation(t, script, []neotest.Signer{e.Validator}, bc.BlockHeight()+1)
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e.AddNewBlock(t, tx)
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e.CheckHalt(t, tx.Hash())
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res := e.GetTxExecResult(t, tx.Hash())
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value := res.Stack[0].Value().([]byte)
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u, err := util.Uint160DecodeBytesBE(value)
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require.NoError(t, err)
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require.Equal(t, pub.GetScriptHash(), u)
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})
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t.Run("InvalidKey", func(t *testing.T) {
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w.Reset()
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emit.Bytes(w.BinWriter, []byte{1, 2, 3})
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emit.Syscall(w.BinWriter, interopnames.SystemContractCreateStandardAccount)
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require.NoError(t, w.Err)
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script := w.Bytes()
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tx := e.PrepareInvocation(t, script, []neotest.Signer{e.Validator}, bc.BlockHeight()+1)
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e.AddNewBlock(t, tx)
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e.CheckFault(t, tx.Hash(), "invalid prefix 1")
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})
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}
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func TestSystemContractCreateMultisigAccount(t *testing.T) {
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bc, acc := chain.NewSingle(t)
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e := neotest.NewExecutor(t, bc, acc, acc)
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w := io.NewBufBinWriter()
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createScript := func(t *testing.T, pubs []interface{}, m int) []byte {
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w.Reset()
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emit.Array(w.BinWriter, pubs...)
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emit.Int(w.BinWriter, int64(m))
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emit.Syscall(w.BinWriter, interopnames.SystemContractCreateMultisigAccount)
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require.NoError(t, w.Err)
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return w.Bytes()
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}
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t.Run("Good", func(t *testing.T) {
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m, n := 3, 5
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pubs := make(keys.PublicKeys, n)
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arr := make([]interface{}, n)
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for i := range pubs {
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pk, err := keys.NewPrivateKey()
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require.NoError(t, err)
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pubs[i] = pk.PublicKey()
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arr[i] = pubs[i].Bytes()
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}
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script := createScript(t, arr, m)
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txH := e.InvokeScript(t, script, []neotest.Signer{acc})
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e.CheckHalt(t, txH)
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res := e.GetTxExecResult(t, txH)
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value := res.Stack[0].Value().([]byte)
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u, err := util.Uint160DecodeBytesBE(value)
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require.NoError(t, err)
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expected, err := smartcontract.CreateMultiSigRedeemScript(m, pubs)
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require.NoError(t, err)
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require.Equal(t, hash.Hash160(expected), u)
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})
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t.Run("InvalidKey", func(t *testing.T) {
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script := createScript(t, []interface{}{[]byte{1, 2, 3}}, 1)
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e.InvokeScriptCheckFAULT(t, script, []neotest.Signer{acc}, "invalid prefix 1")
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})
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t.Run("Invalid m", func(t *testing.T) {
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pk, err := keys.NewPrivateKey()
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require.NoError(t, err)
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script := createScript(t, []interface{}{pk.PublicKey().Bytes()}, 2)
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e.InvokeScriptCheckFAULT(t, script, []neotest.Signer{acc}, "length of the signatures (2) is higher then the number of public keys")
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})
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t.Run("m overflows int32", func(t *testing.T) {
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pk, err := keys.NewPrivateKey()
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require.NoError(t, err)
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m := big.NewInt(math.MaxInt32)
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m.Add(m, big.NewInt(1))
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w.Reset()
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emit.Array(w.BinWriter, pk.Bytes())
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emit.BigInt(w.BinWriter, m)
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emit.Syscall(w.BinWriter, interopnames.SystemContractCreateMultisigAccount)
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require.NoError(t, w.Err)
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e.InvokeScriptCheckFAULT(t, w.Bytes(), []neotest.Signer{acc}, "m must be positive and fit int32")
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})
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}
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func TestSystemRuntimeGasLeft(t *testing.T) {
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const runtimeGasLeftPrice = 1 << 4
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bc, acc := chain.NewSingle(t)
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e := neotest.NewExecutor(t, bc, acc, acc)
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w := io.NewBufBinWriter()
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gasLimit := 1100
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGasLeft)
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGasLeft)
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require.NoError(t, w.Err)
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tx := transaction.New(w.Bytes(), int64(gasLimit))
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tx.Nonce = neotest.Nonce()
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tx.ValidUntilBlock = e.Chain.BlockHeight() + 1
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e.SignTx(t, tx, int64(gasLimit), acc)
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e.AddNewBlock(t, tx)
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e.CheckHalt(t, tx.Hash())
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res := e.GetTxExecResult(t, tx.Hash())
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l1 := res.Stack[0].Value().(*big.Int)
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l2 := res.Stack[1].Value().(*big.Int)
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require.Equal(t, int64(gasLimit-runtimeGasLeftPrice*interop.DefaultBaseExecFee), l1.Int64())
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require.Equal(t, int64(gasLimit-2*runtimeGasLeftPrice*interop.DefaultBaseExecFee), l2.Int64())
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}
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func TestLoadToken(t *testing.T) {
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bc, acc := chain.NewSingle(t)
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e := neotest.NewExecutor(t, bc, acc, acc)
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managementInvoker := e.ValidatorInvoker(e.NativeHash(t, nativenames.Management))
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cs, _ := contracts.GetTestContractState(t, pathToInternalContracts, 0, 1, acc.ScriptHash())
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rawManifest, err := json.Marshal(cs.Manifest)
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require.NoError(t, err)
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rawNef, err := cs.NEF.Bytes()
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require.NoError(t, err)
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tx := managementInvoker.PrepareInvoke(t, "deploy", rawNef, rawManifest)
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e.AddNewBlock(t, tx)
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e.CheckHalt(t, tx.Hash())
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cInvoker := e.ValidatorInvoker(cs.Hash)
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t.Run("good", func(t *testing.T) {
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realBalance, _ := bc.GetGoverningTokenBalance(acc.ScriptHash())
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cInvoker.Invoke(t, stackitem.NewBigInteger(big.NewInt(realBalance.Int64()+1)), "callT0", acc.ScriptHash())
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})
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t.Run("invalid param count", func(t *testing.T) {
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cInvoker.InvokeFail(t, "method not found: callT2/1", "callT2", acc.ScriptHash())
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})
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t.Run("invalid contract", func(t *testing.T) {
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cInvoker.InvokeFail(t, "token contract 0000000000000000000000000000000000000000 not found: key not found", "callT1")
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})
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}
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func TestSystemRuntimeGetNetwork(t *testing.T) {
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bc, acc := chain.NewSingle(t)
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e := neotest.NewExecutor(t, bc, acc, acc)
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w := io.NewBufBinWriter()
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetNetwork)
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require.NoError(t, w.Err)
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e.InvokeScriptCheckHALT(t, w.Bytes(), []neotest.Signer{acc}, stackitem.NewBigInteger(big.NewInt(int64(bc.GetConfig().Magic))))
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}
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func TestSystemRuntimeGetAddressVersion(t *testing.T) {
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bc, acc := chain.NewSingle(t)
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e := neotest.NewExecutor(t, bc, acc, acc)
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w := io.NewBufBinWriter()
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetAddressVersion)
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require.NoError(t, w.Err)
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e.InvokeScriptCheckHALT(t, w.Bytes(), []neotest.Signer{acc}, stackitem.NewBigInteger(big.NewInt(int64(address.NEO3Prefix))))
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}
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func TestSystemRuntimeBurnGas(t *testing.T) {
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bc, acc := chain.NewSingle(t)
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e := neotest.NewExecutor(t, bc, acc, acc)
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managementInvoker := e.ValidatorInvoker(e.NativeHash(t, nativenames.Management))
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cs, _ := contracts.GetTestContractState(t, pathToInternalContracts, 0, 1, acc.ScriptHash())
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rawManifest, err := json.Marshal(cs.Manifest)
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require.NoError(t, err)
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rawNef, err := cs.NEF.Bytes()
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require.NoError(t, err)
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tx := managementInvoker.PrepareInvoke(t, "deploy", rawNef, rawManifest)
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e.AddNewBlock(t, tx)
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e.CheckHalt(t, tx.Hash())
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cInvoker := e.ValidatorInvoker(cs.Hash)
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t.Run("good", func(t *testing.T) {
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h := cInvoker.Invoke(t, stackitem.Null{}, "burnGas", int64(1))
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res := e.GetTxExecResult(t, h)
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t.Run("gas limit exceeded", func(t *testing.T) {
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tx := e.NewUnsignedTx(t, cs.Hash, "burnGas", int64(2))
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e.SignTx(t, tx, res.GasConsumed, acc)
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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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})
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t.Run("too big integer", func(t *testing.T) {
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gas := big.NewInt(math.MaxInt64)
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gas.Add(gas, big.NewInt(1))
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cInvoker.InvokeFail(t, "invalid GAS value", "burnGas", gas)
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})
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t.Run("zero GAS", func(t *testing.T) {
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cInvoker.InvokeFail(t, "GAS must be positive", "burnGas", int64(0))
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})
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}
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func TestSystemContractCreateAccount_Hardfork(t *testing.T) {
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bc, acc := chain.NewSingleWithCustomConfig(t, func(c *config.ProtocolConfiguration) {
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c.P2PSigExtensions = true // `initBasicChain` requires Notary enabled
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c.Hardforks = map[string]uint32{
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config.HF2712FixSyscallFees.String(): 2,
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}
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})
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e := neotest.NewExecutor(t, bc, acc, acc)
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priv, err := keys.NewPrivateKey()
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require.NoError(t, err)
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pub := priv.PublicKey()
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w := io.NewBufBinWriter()
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emit.Array(w.BinWriter, []interface{}{pub.Bytes(), pub.Bytes(), pub.Bytes()}...)
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emit.Int(w.BinWriter, int64(2))
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emit.Syscall(w.BinWriter, interopnames.SystemContractCreateMultisigAccount)
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require.NoError(t, w.Err)
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multisigScript := slice.Copy(w.Bytes())
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w.Reset()
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emit.Bytes(w.BinWriter, pub.Bytes())
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emit.Syscall(w.BinWriter, interopnames.SystemContractCreateStandardAccount)
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require.NoError(t, w.Err)
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standardScript := slice.Copy(w.Bytes())
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createAccTx := func(t *testing.T, script []byte) *transaction.Transaction {
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tx := e.PrepareInvocation(t, script, []neotest.Signer{e.Committee}, bc.BlockHeight()+1)
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return tx
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}
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// blocks #1, #2: old prices
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tx1Standard := createAccTx(t, standardScript)
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tx1Multisig := createAccTx(t, multisigScript)
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e.AddNewBlock(t, tx1Standard, tx1Multisig)
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e.CheckHalt(t, tx1Standard.Hash())
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e.CheckHalt(t, tx1Multisig.Hash())
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tx2Standard := createAccTx(t, standardScript)
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tx2Multisig := createAccTx(t, multisigScript)
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e.AddNewBlock(t, tx2Standard, tx2Multisig)
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e.CheckHalt(t, tx2Standard.Hash())
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e.CheckHalt(t, tx2Multisig.Hash())
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// block #3: updated prices (larger than the previous ones)
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tx3Standard := createAccTx(t, standardScript)
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tx3Multisig := createAccTx(t, multisigScript)
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e.AddNewBlock(t, tx3Standard, tx3Multisig)
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e.CheckHalt(t, tx3Standard.Hash())
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e.CheckHalt(t, tx3Multisig.Hash())
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require.True(t, tx1Standard.SystemFee == tx2Standard.SystemFee)
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require.True(t, tx1Multisig.SystemFee == tx2Multisig.SystemFee)
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require.True(t, tx2Standard.SystemFee < tx3Standard.SystemFee)
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require.True(t, tx2Multisig.SystemFee < tx3Multisig.SystemFee)
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}
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func TestSnapshotIsolation_Exceptions(t *testing.T) {
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bc, acc := chain.NewSingle(t)
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e := neotest.NewExecutor(t, bc, acc, acc)
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// Contract A puts value in the storage, emits notifications and panics.
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srcA := `package contractA
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop/contract"
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"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
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"github.com/nspcc-dev/neo-go/pkg/interop/storage"
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)
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func DoAndPanic(key, value []byte, nNtf int) int { // avoid https://github.com/nspcc-dev/neo-go/issues/2509
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c := storage.GetContext()
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storage.Put(c, key, value)
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for i := 0; i < nNtf; i++ {
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runtime.Notify("NotificationFromA", i)
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}
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panic("panic from A")
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}
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func CheckA(key []byte, nNtf int) bool {
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c := storage.GetContext()
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value := storage.Get(c, key)
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// If called from B, then no storage changes made by A should be visible by this moment (they have been discarded after exception handling).
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if value != nil {
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return false
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}
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notifications := runtime.GetNotifications(nil)
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if len(notifications) != nNtf {
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return false
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}
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// If called from B, then no notifications made by A should be visible by this moment (they have been discarded after exception handling).
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for i := 0; i < len(notifications); i++ {
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ntf := notifications[i]
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name := string(ntf[1].([]byte))
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if name == "NotificationFromA" {
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return false
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}
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}
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return true
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}
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func CheckB() bool {
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return contract.Call(runtime.GetCallingScriptHash(), "checkStorageChanges", contract.All).(bool)
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}`
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ctrA := neotest.CompileSource(t, acc.ScriptHash(), strings.NewReader(srcA), &compiler.Options{
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NoEventsCheck: true,
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NoPermissionsCheck: true,
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Name: "contractA",
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Permissions: []manifest.Permission{{Methods: manifest.WildStrings{Value: nil}}},
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})
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e.DeployContract(t, ctrA, nil)
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var hashAStr string
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for i := 0; i < util.Uint160Size; i++ {
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hashAStr += fmt.Sprintf("%#x", ctrA.Hash[i])
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if i != util.Uint160Size-1 {
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hashAStr += ", "
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}
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}
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// Contract B puts value in the storage, emits notifications and calls A either
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// in try-catch block or without it. After that checks that proper notifications
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// and storage changes are available from different contexts.
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srcB := `package contractB
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop"
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"github.com/nspcc-dev/neo-go/pkg/interop/contract"
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"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
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"github.com/nspcc-dev/neo-go/pkg/interop/storage"
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"github.com/nspcc-dev/neo-go/pkg/interop/util"
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)
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var caughtKey = []byte("caught")
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func DoAndCatch(shouldRecover bool, keyA, valueA, keyB, valueB []byte, nNtfA, nNtfB1, nNtfB2 int) {
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if shouldRecover {
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defer func() {
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if r := recover(); r != nil {
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keyA := []byte("keyA") // defer can not capture variables from outside
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nNtfB1 := 2
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nNtfB2 := 4
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c := storage.GetContext()
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storage.Put(c, caughtKey, []byte{})
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for i := 0; i < nNtfB2; i++ {
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runtime.Notify("NotificationFromB after panic", i)
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}
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// Check that storage changes and notifications made by A are reverted.
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ok := contract.Call(interop.Hash160{` + hashAStr + `}, "checkA", contract.All, keyA, nNtfB1+nNtfB2).(bool)
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if !ok {
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util.Abort() // should never ABORT if snapshot isolation is correctly implemented.
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}
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// Check that storage changes made by B after catch are still available in current context.
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ok = CheckStorageChanges()
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if !ok {
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util.Abort() // should never ABORT if snapshot isolation is correctly implemented.
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}
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// Check that storage changes made by B after catch are still available from the outside context.
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ok = contract.Call(interop.Hash160{` + hashAStr + `}, "checkB", contract.All).(bool)
|
|
if !ok {
|
|
util.Abort() // should never ABORT if snapshot isolation is correctly implemented.
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
c := storage.GetContext()
|
|
storage.Put(c, keyB, valueB)
|
|
for i := 0; i < nNtfB1; i++ {
|
|
runtime.Notify("NotificationFromB before panic", i)
|
|
}
|
|
contract.Call(interop.Hash160{` + hashAStr + `}, "doAndPanic", contract.All, keyA, valueA, nNtfA)
|
|
}
|
|
func CheckStorageChanges() bool {
|
|
c := storage.GetContext()
|
|
itm := storage.Get(c, caughtKey)
|
|
return itm != nil
|
|
}`
|
|
ctrB := neotest.CompileSource(t, acc.ScriptHash(), strings.NewReader(srcB), &compiler.Options{
|
|
Name: "contractB",
|
|
NoEventsCheck: true,
|
|
NoPermissionsCheck: true,
|
|
Permissions: []manifest.Permission{{Methods: manifest.WildStrings{Value: nil}}},
|
|
})
|
|
e.DeployContract(t, ctrB, nil)
|
|
|
|
keyA := []byte("keyA") // hard-coded in the contract code due to `defer` inability to capture variables from outside.
|
|
valueA := []byte("valueA") // hard-coded in the contract code
|
|
keyB := []byte("keyB")
|
|
valueB := []byte("valueB")
|
|
nNtfA := 3
|
|
nNtfBBeforePanic := 2 // hard-coded in the contract code
|
|
nNtfBAfterPanic := 4 // hard-coded in the contract code
|
|
ctrInvoker := e.NewInvoker(ctrB.Hash, e.Committee)
|
|
|
|
// Firstly, do not catch exception and check that all notifications are presented in the notifications list.
|
|
h := ctrInvoker.InvokeFail(t, `unhandled exception: "panic from A"`, "doAndCatch", false, keyA, valueA, keyB, valueB, nNtfA, nNtfBBeforePanic, nNtfBAfterPanic)
|
|
aer := e.GetTxExecResult(t, h)
|
|
require.Equal(t, nNtfBBeforePanic+nNtfA, len(aer.Events))
|
|
|
|
// Then catch exception thrown by A and check that only notifications/storage changes from B are saved.
|
|
h = ctrInvoker.Invoke(t, stackitem.Null{}, "doAndCatch", true, keyA, valueA, keyB, valueB, nNtfA, nNtfBBeforePanic, nNtfBAfterPanic)
|
|
aer = e.GetTxExecResult(t, h)
|
|
require.Equal(t, nNtfBBeforePanic+nNtfBAfterPanic, len(aer.Events))
|
|
}
|
|
|
|
// This test is written to avoid https://github.com/neo-project/neo/issues/2746.
|
|
func TestSnapshotIsolation_CallToItself(t *testing.T) {
|
|
bc, acc := chain.NewSingle(t)
|
|
e := neotest.NewExecutor(t, bc, acc, acc)
|
|
|
|
// Contract A calls method of self and throws if storage changes made by Do are unavailable after call to it.
|
|
srcA := `package contractA
|
|
import (
|
|
"github.com/nspcc-dev/neo-go/pkg/interop/contract"
|
|
"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
|
|
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
|
|
)
|
|
var key = []byte("key")
|
|
func Test() {
|
|
contract.Call(runtime.GetExecutingScriptHash(), "callMyselfAndCheck", contract.All)
|
|
}
|
|
func CallMyselfAndCheck() {
|
|
contract.Call(runtime.GetExecutingScriptHash(), "do", contract.All)
|
|
c := storage.GetContext()
|
|
val := storage.Get(c, key)
|
|
if val == nil {
|
|
panic("changes from previous context were not persisted")
|
|
}
|
|
}
|
|
func Do() {
|
|
c := storage.GetContext()
|
|
storage.Put(c, key, []byte("value"))
|
|
}
|
|
func Check() {
|
|
c := storage.GetContext()
|
|
val := storage.Get(c, key)
|
|
if val == nil {
|
|
panic("value is nil")
|
|
}
|
|
}
|
|
`
|
|
ctrA := neotest.CompileSource(t, acc.ScriptHash(), strings.NewReader(srcA), &compiler.Options{
|
|
NoEventsCheck: true,
|
|
NoPermissionsCheck: true,
|
|
Name: "contractA",
|
|
Permissions: []manifest.Permission{{Methods: manifest.WildStrings{Value: nil}}},
|
|
})
|
|
e.DeployContract(t, ctrA, nil)
|
|
|
|
ctrInvoker := e.NewInvoker(ctrA.Hash, e.Committee)
|
|
ctrInvoker.Invoke(t, stackitem.Null{}, "test")
|
|
|
|
// A separate call is needed to check whether all VM contexts were properly
|
|
// unwrapped and persisted during the previous call.
|
|
ctrInvoker.Invoke(t, stackitem.Null{}, "check")
|
|
}
|