neo-go/internal/contracts/contracts_test.go
Anna Shaleva e0ab4ec6f0 core: adjust helper test contract
Method is allowed to have single return value on stack after its invocation.
Make sure that test contract follows this rule.
2022-03-30 11:46:44 +03:00

509 lines
17 KiB
Go

package contracts
import (
"encoding/json"
"os"
"testing"
"github.com/nspcc-dev/neo-go/pkg/config"
"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/neotest"
"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/nef"
"github.com/nspcc-dev/neo-go/pkg/util"
"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"
)
// TestGenerateHelperContracts generates contract states that are used in tests.
// See generateOracleContract and generateManagementHelperContracts comments for
// details.
func TestGenerateHelperContracts(t *testing.T) {
const saveState = false
generateOracleContract(t, saveState)
generateManagementHelperContracts(t, saveState)
require.False(t, saveState)
}
// generateOracleContract generates helper contract that is able to call
// native Oracle contract and has callback method. It uses test chain to define
// Oracle and StdLib native hashes and saves generated NEF and manifest to `oracle_contract` folder.
// Set `saveState` flag to true and run the test to rewrite NEF and manifest files.
func generateOracleContract(t *testing.T, saveState bool) {
bc, validator, committee := chain.NewMultiWithCustomConfig(t, func(c *config.ProtocolConfiguration) {
c.P2PSigExtensions = true
})
e := neotest.NewExecutor(t, bc, validator, committee)
oracleHash := e.NativeHash(t, nativenames.Oracle)
stdHash := e.NativeHash(t, nativenames.StdLib)
w := io.NewBufBinWriter()
emit.Int(w.BinWriter, 5)
emit.Opcodes(w.BinWriter, opcode.PACK)
emit.Int(w.BinWriter, int64(callflag.All))
emit.String(w.BinWriter, "request")
emit.Bytes(w.BinWriter, oracleHash.BytesBE())
emit.Syscall(w.BinWriter, interopnames.SystemContractCall)
emit.Opcodes(w.BinWriter, opcode.DROP)
emit.Opcodes(w.BinWriter, opcode.RET)
// `handle` method aborts if len(userData) == 2 and does NOT perform witness checks
// for the sake of contract code simplicity (the contract is used in multiple testchains).
offset := w.Len()
emit.Opcodes(w.BinWriter, opcode.OVER)
emit.Opcodes(w.BinWriter, opcode.SIZE)
emit.Int(w.BinWriter, 2)
emit.Instruction(w.BinWriter, opcode.JMPNE, []byte{3})
emit.Opcodes(w.BinWriter, opcode.ABORT)
emit.Int(w.BinWriter, 4) // url, userData, code, result
emit.Opcodes(w.BinWriter, opcode.PACK)
emit.Int(w.BinWriter, 1) // 1 byte (args count for `serialize`)
emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte (pack args into array for `serialize`)
emit.AppCallNoArgs(w.BinWriter, stdHash, "serialize", callflag.All) // 39 bytes
emit.String(w.BinWriter, "lastOracleResponse")
emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
emit.Syscall(w.BinWriter, interopnames.SystemStoragePut)
emit.Opcodes(w.BinWriter, opcode.RET)
m := manifest.NewManifest("TestOracle")
m.ABI.Methods = []manifest.Method{
{
Name: "requestURL",
Offset: 0,
Parameters: []manifest.Parameter{
manifest.NewParameter("url", smartcontract.StringType),
manifest.NewParameter("filter", smartcontract.StringType),
manifest.NewParameter("callback", smartcontract.StringType),
manifest.NewParameter("userData", smartcontract.AnyType),
manifest.NewParameter("gasForResponse", smartcontract.IntegerType),
},
ReturnType: smartcontract.VoidType,
},
{
Name: "handle",
Offset: offset,
Parameters: []manifest.Parameter{
manifest.NewParameter("url", smartcontract.StringType),
manifest.NewParameter("userData", smartcontract.AnyType),
manifest.NewParameter("code", smartcontract.IntegerType),
manifest.NewParameter("result", smartcontract.ByteArrayType),
},
ReturnType: smartcontract.VoidType,
},
}
perm := manifest.NewPermission(manifest.PermissionHash, oracleHash)
perm.Methods.Add("request")
m.Permissions = append(m.Permissions, *perm)
// Generate NEF file.
script := w.Bytes()
ne, err := nef.NewFile(script)
require.NoError(t, err)
// Write NEF file.
bytes, err := ne.Bytes()
require.NoError(t, err)
if saveState {
err = os.WriteFile(oracleContractNEFPath, bytes, os.ModePerm)
require.NoError(t, err)
}
// Write manifest file.
mData, err := json.Marshal(m)
require.NoError(t, err)
if saveState {
err = os.WriteFile(oracleContractManifestPath, mData, os.ModePerm)
require.NoError(t, err)
}
}
// generateManagementHelperContracts generates 2 helper contracts second of which is
// allowed to call the first. It uses test chain to define Management and StdLib
// native hashes and saves generated NEF and manifest to `management_contract` folder.
// Set `saveState` flag to true and run the test to rewrite NEF and manifest files.
func generateManagementHelperContracts(t *testing.T, saveState bool) {
bc, validator, committee := chain.NewMultiWithCustomConfig(t, func(c *config.ProtocolConfiguration) {
c.P2PSigExtensions = true
})
e := neotest.NewExecutor(t, bc, validator, committee)
mgmtHash := e.NativeHash(t, nativenames.Management)
stdHash := e.NativeHash(t, nativenames.StdLib)
neoHash := e.NativeHash(t, nativenames.Neo)
singleChainValidatorAcc := e.Validator.(neotest.MultiSigner).Single(2).Account() // priv0
require.NoError(t, singleChainValidatorAcc.ConvertMultisig(1, keys.PublicKeys{singleChainValidatorAcc.PrivateKey().PublicKey()}))
singleChainValidatorHash := singleChainValidatorAcc.Contract.ScriptHash()
w := io.NewBufBinWriter()
emit.Opcodes(w.BinWriter, opcode.ABORT)
addOff := w.Len()
emit.Opcodes(w.BinWriter, opcode.ADD, opcode.RET)
addMultiOff := w.Len()
emit.Opcodes(w.BinWriter, opcode.ADD, opcode.ADD, opcode.RET)
ret7Off := w.Len()
emit.Opcodes(w.BinWriter, opcode.PUSH7, opcode.RET)
dropOff := w.Len()
emit.Opcodes(w.BinWriter, opcode.DROP, opcode.RET)
initOff := w.Len()
emit.Opcodes(w.BinWriter, opcode.INITSSLOT, 1, opcode.PUSH3, opcode.STSFLD0, opcode.RET)
add3Off := w.Len()
emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.ADD, opcode.RET)
invalidRetOff := w.Len()
emit.Opcodes(w.BinWriter, opcode.PUSH1, opcode.PUSH2, opcode.RET)
justRetOff := w.Len()
emit.Opcodes(w.BinWriter, opcode.RET)
verifyOff := w.Len()
emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.SUB,
opcode.CONVERT, opcode.Opcode(stackitem.BooleanT), opcode.RET)
deployOff := w.Len()
emit.Opcodes(w.BinWriter, opcode.SWAP, opcode.JMPIF, 2+8+1+1+1+1+39+3)
emit.String(w.BinWriter, "create") // 8 bytes
emit.Int(w.BinWriter, 2) // 1 byte
emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte
emit.Int(w.BinWriter, 1) // 1 byte (args count for `serialize`)
emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte (pack args into array for `serialize`)
emit.AppCallNoArgs(w.BinWriter, stdHash, "serialize", callflag.All) // 39 bytes
emit.Opcodes(w.BinWriter, opcode.CALL, 3+8+1+1+1+1+39+3, opcode.RET)
emit.String(w.BinWriter, "update") // 8 bytes
emit.Int(w.BinWriter, 2) // 1 byte
emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte
emit.Int(w.BinWriter, 1) // 1 byte (args count for `serialize`)
emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte (pack args into array for `serialize`)
emit.AppCallNoArgs(w.BinWriter, stdHash, "serialize", callflag.All) // 39 bytes
emit.Opcodes(w.BinWriter, opcode.CALL, 3, opcode.RET)
putValOff := w.Len()
emit.String(w.BinWriter, "initial")
emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
emit.Syscall(w.BinWriter, interopnames.SystemStoragePut)
emit.Opcodes(w.BinWriter, opcode.RET)
getValOff := w.Len()
emit.String(w.BinWriter, "initial")
emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
emit.Syscall(w.BinWriter, interopnames.SystemStorageGet)
emit.Opcodes(w.BinWriter, opcode.RET)
delValOff := w.Len()
emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
emit.Syscall(w.BinWriter, interopnames.SystemStorageDelete)
emit.Opcodes(w.BinWriter, opcode.RET)
onNEP17PaymentOff := w.Len()
emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetCallingScriptHash)
emit.Int(w.BinWriter, 4)
emit.Opcodes(w.BinWriter, opcode.PACK)
emit.String(w.BinWriter, "LastPayment")
emit.Syscall(w.BinWriter, interopnames.SystemRuntimeNotify)
emit.Opcodes(w.BinWriter, opcode.RET)
onNEP11PaymentOff := w.Len()
emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetCallingScriptHash)
emit.Int(w.BinWriter, 5)
emit.Opcodes(w.BinWriter, opcode.PACK)
emit.String(w.BinWriter, "LostPayment")
emit.Syscall(w.BinWriter, interopnames.SystemRuntimeNotify)
emit.Opcodes(w.BinWriter, opcode.RET)
update3Off := w.Len()
emit.Int(w.BinWriter, 3)
emit.Opcodes(w.BinWriter, opcode.JMP, 2+1)
updateOff := w.Len()
emit.Int(w.BinWriter, 2)
emit.Opcodes(w.BinWriter, opcode.PACK)
emit.AppCallNoArgs(w.BinWriter, mgmtHash, "update", callflag.All)
emit.Opcodes(w.BinWriter, opcode.DROP)
emit.Opcodes(w.BinWriter, opcode.RET)
destroyOff := w.Len()
emit.AppCall(w.BinWriter, mgmtHash, "destroy", callflag.All)
emit.Opcodes(w.BinWriter, opcode.DROP)
emit.Opcodes(w.BinWriter, opcode.RET)
invalidStack1Off := w.Len()
emit.Opcodes(w.BinWriter, opcode.NEWARRAY0, opcode.DUP, opcode.DUP, opcode.APPEND) // recursive array
emit.Opcodes(w.BinWriter, opcode.RET)
invalidStack2Off := w.Len()
emit.Syscall(w.BinWriter, interopnames.SystemStorageGetReadOnlyContext) // interop item
emit.Opcodes(w.BinWriter, opcode.RET)
callT0Off := w.Len()
emit.Opcodes(w.BinWriter, opcode.CALLT, 0, 0, opcode.PUSH1, opcode.ADD, opcode.RET)
callT1Off := w.Len()
emit.Opcodes(w.BinWriter, opcode.CALLT, 1, 0, opcode.RET)
callT2Off := w.Len()
emit.Opcodes(w.BinWriter, opcode.CALLT, 0, 0, opcode.RET)
burnGasOff := w.Len()
emit.Syscall(w.BinWriter, interopnames.SystemRuntimeBurnGas)
emit.Opcodes(w.BinWriter, opcode.RET)
invocCounterOff := w.Len()
emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetInvocationCounter)
emit.Opcodes(w.BinWriter, opcode.RET)
script := w.Bytes()
m := manifest.NewManifest("TestMain")
m.ABI.Methods = []manifest.Method{
{
Name: "add",
Offset: addOff,
Parameters: []manifest.Parameter{
manifest.NewParameter("addend1", smartcontract.IntegerType),
manifest.NewParameter("addend2", smartcontract.IntegerType),
},
ReturnType: smartcontract.IntegerType,
},
{
Name: "add",
Offset: addMultiOff,
Parameters: []manifest.Parameter{
manifest.NewParameter("addend1", smartcontract.IntegerType),
manifest.NewParameter("addend2", smartcontract.IntegerType),
manifest.NewParameter("addend3", smartcontract.IntegerType),
},
ReturnType: smartcontract.IntegerType,
},
{
Name: "ret7",
Offset: ret7Off,
Parameters: []manifest.Parameter{},
ReturnType: smartcontract.IntegerType,
},
{
Name: "drop",
Offset: dropOff,
ReturnType: smartcontract.VoidType,
},
{
Name: manifest.MethodInit,
Offset: initOff,
ReturnType: smartcontract.VoidType,
},
{
Name: "add3",
Offset: add3Off,
Parameters: []manifest.Parameter{
manifest.NewParameter("addend", smartcontract.IntegerType),
},
ReturnType: smartcontract.IntegerType,
},
{
Name: "invalidReturn",
Offset: invalidRetOff,
ReturnType: smartcontract.IntegerType,
},
{
Name: "justReturn",
Offset: justRetOff,
ReturnType: smartcontract.VoidType,
},
{
Name: manifest.MethodVerify,
Offset: verifyOff,
ReturnType: smartcontract.BoolType,
},
{
Name: manifest.MethodDeploy,
Offset: deployOff,
Parameters: []manifest.Parameter{
manifest.NewParameter("data", smartcontract.AnyType),
manifest.NewParameter("isUpdate", smartcontract.BoolType),
},
ReturnType: smartcontract.VoidType,
},
{
Name: "getValue",
Offset: getValOff,
ReturnType: smartcontract.StringType,
},
{
Name: "putValue",
Offset: putValOff,
Parameters: []manifest.Parameter{
manifest.NewParameter("value", smartcontract.StringType),
},
ReturnType: smartcontract.VoidType,
},
{
Name: "delValue",
Offset: delValOff,
Parameters: []manifest.Parameter{
manifest.NewParameter("key", smartcontract.StringType),
},
ReturnType: smartcontract.VoidType,
},
{
Name: manifest.MethodOnNEP11Payment,
Offset: onNEP11PaymentOff,
Parameters: []manifest.Parameter{
manifest.NewParameter("from", smartcontract.Hash160Type),
manifest.NewParameter("amount", smartcontract.IntegerType),
manifest.NewParameter("tokenid", smartcontract.ByteArrayType),
manifest.NewParameter("data", smartcontract.AnyType),
},
ReturnType: smartcontract.VoidType,
},
{
Name: manifest.MethodOnNEP17Payment,
Offset: onNEP17PaymentOff,
Parameters: []manifest.Parameter{
manifest.NewParameter("from", smartcontract.Hash160Type),
manifest.NewParameter("amount", smartcontract.IntegerType),
manifest.NewParameter("data", smartcontract.AnyType),
},
ReturnType: smartcontract.VoidType,
},
{
Name: "update",
Offset: updateOff,
Parameters: []manifest.Parameter{
manifest.NewParameter("nef", smartcontract.ByteArrayType),
manifest.NewParameter("manifest", smartcontract.ByteArrayType),
},
ReturnType: smartcontract.VoidType,
},
{
Name: "update",
Offset: update3Off,
Parameters: []manifest.Parameter{
manifest.NewParameter("nef", smartcontract.ByteArrayType),
manifest.NewParameter("manifest", smartcontract.ByteArrayType),
manifest.NewParameter("data", smartcontract.AnyType),
},
ReturnType: smartcontract.VoidType,
},
{
Name: "destroy",
Offset: destroyOff,
ReturnType: smartcontract.VoidType,
},
{
Name: "invalidStack1",
Offset: invalidStack1Off,
ReturnType: smartcontract.AnyType,
},
{
Name: "invalidStack2",
Offset: invalidStack2Off,
ReturnType: smartcontract.AnyType,
},
{
Name: "callT0",
Offset: callT0Off,
Parameters: []manifest.Parameter{
manifest.NewParameter("address", smartcontract.Hash160Type),
},
ReturnType: smartcontract.IntegerType,
},
{
Name: "callT1",
Offset: callT1Off,
ReturnType: smartcontract.IntegerType,
},
{
Name: "callT2",
Offset: callT2Off,
ReturnType: smartcontract.IntegerType,
},
{
Name: "burnGas",
Offset: burnGasOff,
Parameters: []manifest.Parameter{
manifest.NewParameter("amount", smartcontract.IntegerType),
},
ReturnType: smartcontract.VoidType,
},
{
Name: "invocCounter",
Offset: invocCounterOff,
ReturnType: smartcontract.IntegerType,
},
}
m.Permissions = make([]manifest.Permission, 2)
m.Permissions[0].Contract.Type = manifest.PermissionHash
m.Permissions[0].Contract.Value = neoHash
m.Permissions[0].Methods.Add("balanceOf")
m.Permissions[1].Contract.Type = manifest.PermissionHash
m.Permissions[1].Contract.Value = util.Uint160{}
m.Permissions[1].Methods.Add("method")
// Generate NEF file.
ne, err := nef.NewFile(script)
require.NoError(t, err)
ne.Tokens = []nef.MethodToken{
{
Hash: neoHash,
Method: "balanceOf",
ParamCount: 1,
HasReturn: true,
CallFlag: callflag.ReadStates,
},
{
Hash: util.Uint160{},
Method: "method",
HasReturn: true,
CallFlag: callflag.ReadStates,
},
}
ne.Checksum = ne.CalculateChecksum()
// Write first NEF file.
bytes, err := ne.Bytes()
require.NoError(t, err)
if saveState {
err = os.WriteFile(helper1ContractNEFPath, bytes, os.ModePerm)
require.NoError(t, err)
}
// Write first manifest file.
mData, err := json.Marshal(m)
require.NoError(t, err)
if saveState {
err = os.WriteFile(helper1ContractManifestPath, mData, os.ModePerm)
require.NoError(t, err)
}
// Create hash of the first contract assuming that sender is single-chain validator.
h := state.CreateContractHash(singleChainValidatorHash, ne.Checksum, m.Name)
currScript := []byte{byte(opcode.RET)}
m = manifest.NewManifest("TestAux")
m.ABI.Methods = []manifest.Method{
{
Name: "simpleMethod",
Offset: 0,
ReturnType: smartcontract.VoidType,
},
}
perm := manifest.NewPermission(manifest.PermissionHash, h)
perm.Methods.Add("add")
perm.Methods.Add("drop")
perm.Methods.Add("add3")
perm.Methods.Add("invalidReturn")
perm.Methods.Add("justReturn")
perm.Methods.Add("getValue")
m.Permissions = append(m.Permissions, *perm)
ne, err = nef.NewFile(currScript)
require.NoError(t, err)
// Write second NEF file.
bytes, err = ne.Bytes()
require.NoError(t, err)
if saveState {
err = os.WriteFile(helper2ContractNEFPath, bytes, os.ModePerm)
require.NoError(t, err)
}
// Write second manifest file.
mData, err = json.Marshal(m)
require.NoError(t, err)
if saveState {
err = os.WriteFile(helper2ContractManifestPath, mData, os.ModePerm)
require.NoError(t, err)
}
}