neo-go/pkg/core/helper_test.go
Anna Shaleva c113d682bd core: fix NEO balance state handler
We need to store NEO balance's LastUpdateHeight before GAS mint,
because mint can call onNEP17Payment and onNEP17Payment can call NEO
transfer which also calls GAS mint. Storing balance height allows to
avoid recursion.
2021-09-20 19:23:35 +03:00

743 lines
26 KiB
Go

package core
import (
"bytes"
"encoding/base64"
"encoding/hex"
"encoding/json"
"fmt"
"io/ioutil"
"math/big"
"os"
"path"
"strings"
"testing"
"time"
nns "github.com/nspcc-dev/neo-go/examples/nft-nd-nns"
"github.com/nspcc-dev/neo-go/internal/testchain"
"github.com/nspcc-dev/neo-go/pkg/compiler"
"github.com/nspcc-dev/neo-go/pkg/config"
"github.com/nspcc-dev/neo-go/pkg/core/block"
"github.com/nspcc-dev/neo-go/pkg/core/blockchainer"
"github.com/nspcc-dev/neo-go/pkg/core/chaindump"
"github.com/nspcc-dev/neo-go/pkg/core/fee"
"github.com/nspcc-dev/neo-go/pkg/core/native"
"github.com/nspcc-dev/neo-go/pkg/core/native/noderoles"
"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/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
"github.com/nspcc-dev/neo-go/pkg/io"
"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/nef"
"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/emit"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
"go.uber.org/zap/zaptest"
)
// multisig address which possess all NEO.
var neoOwner = testchain.MultisigScriptHash()
// examplesPrefix is a prefix of the example smart-contracts.
const examplesPrefix = "../../examples/"
// newTestChainWithNS should be called before newBlock invocation to properly setup
// global state.
func newTestChainWithNS(t *testing.T) (*Blockchain, util.Uint160) {
bc := newTestChainWithCustomCfg(t, nil)
acc := newAccountWithGAS(t, bc)
// Push NameService contract into the chain.
nsPath := examplesPrefix + "nft-nd-nns/"
nsConfigPath := nsPath + "nns.yml"
txDeploy4, _ := newDeployTx(t, bc, acc.PrivateKey().GetScriptHash(), nsPath, nsPath, &nsConfigPath)
txDeploy4.Nonce = 123
txDeploy4.ValidUntilBlock = bc.BlockHeight() + 1
require.NoError(t, addNetworkFee(bc, txDeploy4, acc))
require.NoError(t, acc.SignTx(testchain.Network(), txDeploy4))
b := bc.newBlock(txDeploy4)
require.NoError(t, bc.AddBlock(b))
checkTxHalt(t, bc, txDeploy4.Hash())
h, err := bc.GetContractScriptHash(1)
require.NoError(t, err)
return bc, h
}
// newTestChain should be called before newBlock invocation to properly setup
// global state.
func newTestChain(t testing.TB) *Blockchain {
return newTestChainWithCustomCfg(t, nil)
}
func newTestChainWithCustomCfg(t testing.TB, f func(*config.Config)) *Blockchain {
return newTestChainWithCustomCfgAndStore(t, nil, f)
}
func newTestChainWithCustomCfgAndStore(t testing.TB, st storage.Store, f func(*config.Config)) *Blockchain {
chain := initTestChain(t, st, f)
go chain.Run()
t.Cleanup(chain.Close)
return chain
}
func initTestChain(t testing.TB, st storage.Store, f func(*config.Config)) *Blockchain {
unitTestNetCfg, err := config.Load("../../config", testchain.Network())
require.NoError(t, err)
if f != nil {
f(&unitTestNetCfg)
}
if st == nil {
st = storage.NewMemoryStore()
}
log := zaptest.NewLogger(t)
if _, ok := t.(*testing.B); ok {
log = zap.NewNop()
}
chain, err := NewBlockchain(st, unitTestNetCfg.ProtocolConfiguration, log)
require.NoError(t, err)
return chain
}
func (bc *Blockchain) newBlock(txs ...*transaction.Transaction) *block.Block {
lastBlock, ok := bc.topBlock.Load().(*block.Block)
if !ok {
var err error
lastBlock, err = bc.GetBlock(bc.GetHeaderHash(int(bc.BlockHeight())))
if err != nil {
panic(err)
}
}
if bc.config.StateRootInHeader {
sr, err := bc.GetStateModule().GetStateRoot(bc.BlockHeight())
if err != nil {
panic(err)
}
return newBlockWithState(bc.config, lastBlock.Index+1, lastBlock.Hash(), &sr.Root, txs...)
}
return newBlock(bc.config, lastBlock.Index+1, lastBlock.Hash(), txs...)
}
func newBlock(cfg config.ProtocolConfiguration, index uint32, prev util.Uint256, txs ...*transaction.Transaction) *block.Block {
return newBlockWithState(cfg, index, prev, nil, txs...)
}
func newBlockCustom(cfg config.ProtocolConfiguration, f func(b *block.Block),
txs ...*transaction.Transaction) *block.Block {
validators, _ := validatorsFromConfig(cfg)
valScript, _ := smartcontract.CreateDefaultMultiSigRedeemScript(validators)
witness := transaction.Witness{
VerificationScript: valScript,
}
b := &block.Block{
Header: block.Header{
NextConsensus: witness.ScriptHash(),
Script: witness,
},
Transactions: txs,
}
f(b)
b.RebuildMerkleRoot()
b.Script.InvocationScript = testchain.Sign(b)
return b
}
func newBlockWithState(cfg config.ProtocolConfiguration, index uint32, prev util.Uint256,
prevState *util.Uint256, txs ...*transaction.Transaction) *block.Block {
return newBlockCustom(cfg, func(b *block.Block) {
b.PrevHash = prev
b.Timestamp = uint64(time.Now().UTC().Unix())*1000 + uint64(index)
b.Index = index
if prevState != nil {
b.StateRootEnabled = true
b.PrevStateRoot = *prevState
}
}, txs...)
}
func (bc *Blockchain) genBlocks(n int) ([]*block.Block, error) {
blocks := make([]*block.Block, n)
lastHash := bc.topBlock.Load().(*block.Block).Hash()
lastIndex := bc.topBlock.Load().(*block.Block).Index
for i := 0; i < n; i++ {
blocks[i] = newBlock(bc.config, uint32(i)+lastIndex+1, lastHash)
if err := bc.AddBlock(blocks[i]); err != nil {
return blocks, err
}
lastHash = blocks[i].Hash()
}
return blocks, nil
}
func TestBug1728(t *testing.T) {
src := `package example
import "github.com/nspcc-dev/neo-go/pkg/interop/runtime"
func init() { if true { } else { } }
func _deploy(_ interface{}, isUpdate bool) {
runtime.Log("Deploy")
}`
b, di, err := compiler.CompileWithDebugInfo("foo", strings.NewReader(src))
require.NoError(t, err)
m, err := di.ConvertToManifest(&compiler.Options{Name: "TestContract"})
require.NoError(t, err)
nf, err := nef.NewFile(b)
require.NoError(t, err)
nf.CalculateChecksum()
rawManifest, err := json.Marshal(m)
require.NoError(t, err)
rawNef, err := nf.Bytes()
require.NoError(t, err)
bc := newTestChain(t)
aer, err := invokeContractMethod(bc, 10000000000,
bc.contracts.Management.Hash, "deploy", rawNef, rawManifest)
require.NoError(t, err)
require.Equal(t, aer.VMState, vm.HaltState)
}
// This function generates "../rpc/testdata/testblocks.acc" file which contains data
// for RPC unit tests. It also is a nice integration test.
// To generate new "../rpc/testdata/testblocks.acc", follow the steps:
// 1. Set saveChain down below to true
// 2. Run tests with `$ make test`
func TestCreateBasicChain(t *testing.T) {
const saveChain = false
const prefix = "../rpc/server/testdata/"
bc := newTestChain(t)
initBasicChain(t, bc)
if saveChain {
outStream, err := os.Create(prefix + "testblocks.acc")
require.NoError(t, err)
t.Cleanup(func() {
outStream.Close()
})
writer := io.NewBinWriterFromIO(outStream)
writer.WriteU32LE(bc.BlockHeight())
err = chaindump.Dump(bc, writer, 1, bc.BlockHeight())
require.NoError(t, err)
}
priv0 := testchain.PrivateKeyByID(0)
priv1 := testchain.PrivateKeyByID(1)
priv0ScriptHash := priv0.GetScriptHash()
acc0 := wallet.NewAccountFromPrivateKey(priv0)
// Prepare some transaction for future submission.
txSendRaw := newNEP17Transfer(bc.contracts.NEO.Hash, priv0ScriptHash, priv1.GetScriptHash(), int64(fixedn.Fixed8FromInt64(1000)))
txSendRaw.ValidUntilBlock = bc.config.MaxValidUntilBlockIncrement
txSendRaw.Nonce = 0x1234
txSendRaw.Signers = []transaction.Signer{{
Account: priv0ScriptHash,
Scopes: transaction.CalledByEntry,
AllowedContracts: nil,
AllowedGroups: nil,
}}
require.NoError(t, addNetworkFee(bc, txSendRaw, acc0))
require.NoError(t, acc0.SignTx(testchain.Network(), txSendRaw))
bw := io.NewBufBinWriter()
txSendRaw.EncodeBinary(bw.BinWriter)
t.Logf("sendrawtransaction: \n\tbase64: %s\n\tHash LE: %s", base64.StdEncoding.EncodeToString(bw.Bytes()), txSendRaw.Hash().StringLE())
require.False(t, saveChain)
}
func initBasicChain(t *testing.T, bc *Blockchain) {
const prefix = "../rpc/server/testdata/"
// Increase in case if you need more blocks
const validUntilBlock = 1200
// To be incremented after each created transaction to keep chain constant.
var testNonce uint32 = 1
// Use as nonce when new transaction is created to avoid random data in tests.
getNextNonce := func() uint32 {
testNonce++
return testNonce
}
const neoAmount = 99999000
gasHash := bc.contracts.GAS.Hash
neoHash := bc.contracts.NEO.Hash
policyHash := bc.contracts.Policy.Hash
notaryHash := bc.contracts.Notary.Hash
t.Logf("native GAS hash: %v", gasHash)
t.Logf("native NEO hash: %v", neoHash)
t.Logf("native Policy hash: %v", policyHash)
t.Logf("native Notary hash: %v", notaryHash)
t.Logf("Block0 hash: %s", bc.GetHeaderHash(0).StringLE())
priv0 := testchain.PrivateKeyByID(0)
priv0ScriptHash := priv0.GetScriptHash()
require.Equal(t, big.NewInt(5000_0000), bc.GetUtilityTokenBalance(priv0ScriptHash)) // gas bounty
// Move some NEO to one simple account.
txMoveNeo, err := testchain.NewTransferFromOwner(bc, neoHash, priv0ScriptHash, neoAmount, getNextNonce(), validUntilBlock)
require.NoError(t, err)
// Move some GAS to one simple account.
txMoveGas, err := testchain.NewTransferFromOwner(bc, gasHash, priv0ScriptHash, int64(fixedn.Fixed8FromInt64(1000)),
getNextNonce(), validUntilBlock)
require.NoError(t, err)
b := bc.newBlock(txMoveNeo, txMoveGas)
require.NoError(t, bc.AddBlock(b))
checkTxHalt(t, bc, txMoveGas.Hash())
checkTxHalt(t, bc, txMoveNeo.Hash())
t.Logf("Block1 hash: %s", b.Hash().StringLE())
bw := io.NewBufBinWriter()
b.EncodeBinary(bw.BinWriter)
require.NoError(t, bw.Err)
jsonB, err := b.MarshalJSON()
require.NoError(t, err)
t.Logf("Block1 base64: %s", base64.StdEncoding.EncodeToString(bw.Bytes()))
t.Logf("Block1 JSON: %s", string(jsonB))
bw.Reset()
b.Header.EncodeBinary(bw.BinWriter)
require.NoError(t, bw.Err)
jsonH, err := b.Header.MarshalJSON()
require.NoError(t, err)
t.Logf("Header1 base64: %s", base64.StdEncoding.EncodeToString(bw.Bytes()))
t.Logf("Header1 JSON: %s", string(jsonH))
jsonTxMoveNeo, err := txMoveNeo.MarshalJSON()
require.NoError(t, err)
t.Logf("txMoveNeo hash: %s", txMoveNeo.Hash().StringLE())
t.Logf("txMoveNeo JSON: %s", string(jsonTxMoveNeo))
t.Logf("txMoveNeo base64: %s", base64.StdEncoding.EncodeToString(txMoveNeo.Bytes()))
t.Logf("txMoveGas hash: %s", txMoveGas.Hash().StringLE())
require.True(t, bc.GetUtilityTokenBalance(priv0ScriptHash).Cmp(big.NewInt(1000*native.GASFactor)) >= 0)
// info for getblockheader rpc tests
t.Logf("header hash: %s", b.Hash().StringLE())
buf := io.NewBufBinWriter()
b.Header.EncodeBinary(buf.BinWriter)
t.Logf("header: %s", hex.EncodeToString(buf.Bytes()))
acc0 := wallet.NewAccountFromPrivateKey(priv0)
// Push some contract into the chain.
cfgPath := prefix + "test_contract.yml"
txDeploy, cHash := newDeployTx(t, bc, priv0ScriptHash, prefix+"test_contract.go", "Rubl", &cfgPath)
txDeploy.Nonce = getNextNonce()
txDeploy.ValidUntilBlock = validUntilBlock
require.NoError(t, addNetworkFee(bc, txDeploy, acc0))
require.NoError(t, acc0.SignTx(testchain.Network(), txDeploy))
b = bc.newBlock(txDeploy)
require.NoError(t, bc.AddBlock(b))
checkTxHalt(t, bc, txDeploy.Hash())
t.Logf("txDeploy: %s", txDeploy.Hash().StringLE())
t.Logf("Block2 hash: %s", b.Hash().StringLE())
// Now invoke this contract.
script := io.NewBufBinWriter()
emit.AppCall(script.BinWriter, cHash, "putValue", callflag.All, "testkey", "testvalue")
txInv := transaction.New(script.Bytes(), 1*native.GASFactor)
txInv.Nonce = getNextNonce()
txInv.ValidUntilBlock = validUntilBlock
txInv.Signers = []transaction.Signer{{Account: priv0ScriptHash}}
require.NoError(t, addNetworkFee(bc, txInv, acc0))
require.NoError(t, acc0.SignTx(testchain.Network(), txInv))
b = bc.newBlock(txInv)
require.NoError(t, bc.AddBlock(b))
checkTxHalt(t, bc, txInv.Hash())
t.Logf("txInv: %s", txInv.Hash().StringLE())
priv1 := testchain.PrivateKeyByID(1)
txNeo0to1 := newNEP17Transfer(neoHash, priv0ScriptHash, priv1.GetScriptHash(), 1000)
txNeo0to1.Nonce = getNextNonce()
txNeo0to1.ValidUntilBlock = validUntilBlock
txNeo0to1.Signers = []transaction.Signer{
{
Account: priv0ScriptHash,
Scopes: transaction.CalledByEntry,
AllowedContracts: nil,
AllowedGroups: nil,
},
}
require.NoError(t, addNetworkFee(bc, txNeo0to1, acc0))
require.NoError(t, acc0.SignTx(testchain.Network(), txNeo0to1))
b = bc.newBlock(txNeo0to1)
require.NoError(t, bc.AddBlock(b))
checkTxHalt(t, bc, txNeo0to1.Hash())
w := io.NewBufBinWriter()
emit.AppCall(w.BinWriter, cHash, "init", callflag.All)
initTx := transaction.New(w.Bytes(), 1*native.GASFactor)
initTx.Nonce = getNextNonce()
initTx.ValidUntilBlock = validUntilBlock
initTx.Signers = []transaction.Signer{{Account: priv0ScriptHash}}
require.NoError(t, addNetworkFee(bc, initTx, acc0))
require.NoError(t, acc0.SignTx(testchain.Network(), initTx))
transferTx := newNEP17Transfer(cHash, cHash, priv0.GetScriptHash(), 1000)
transferTx.Nonce = getNextNonce()
transferTx.ValidUntilBlock = validUntilBlock
transferTx.Signers = []transaction.Signer{
{
Account: priv0ScriptHash,
Scopes: transaction.CalledByEntry,
AllowedContracts: nil,
AllowedGroups: nil,
},
}
require.NoError(t, addNetworkFee(bc, transferTx, acc0))
transferTx.SystemFee += 1000000
require.NoError(t, acc0.SignTx(testchain.Network(), transferTx))
b = bc.newBlock(initTx, transferTx)
require.NoError(t, bc.AddBlock(b))
checkTxHalt(t, bc, initTx.Hash())
checkTxHalt(t, bc, transferTx.Hash())
t.Logf("recieveRublesTx: %v", transferTx.Hash().StringLE())
transferTx = newNEP17Transfer(cHash, priv0.GetScriptHash(), priv1.GetScriptHash(), 123)
transferTx.Nonce = getNextNonce()
transferTx.ValidUntilBlock = validUntilBlock
transferTx.Signers = []transaction.Signer{
{
Account: priv0ScriptHash,
Scopes: transaction.CalledByEntry,
AllowedContracts: nil,
AllowedGroups: nil,
},
}
require.NoError(t, addNetworkFee(bc, transferTx, acc0))
transferTx.SystemFee += 1000000
require.NoError(t, acc0.SignTx(testchain.Network(), transferTx))
b = bc.newBlock(transferTx)
require.NoError(t, bc.AddBlock(b))
checkTxHalt(t, bc, transferTx.Hash())
t.Logf("sendRublesTx: %v", transferTx.Hash().StringLE())
// Push verification contract into the chain.
txDeploy2, _ := newDeployTx(t, bc, priv0ScriptHash, prefix+"verification_contract.go", "Verify", nil)
txDeploy2.Nonce = getNextNonce()
txDeploy2.ValidUntilBlock = validUntilBlock
require.NoError(t, addNetworkFee(bc, txDeploy2, acc0))
require.NoError(t, acc0.SignTx(testchain.Network(), txDeploy2))
b = bc.newBlock(txDeploy2)
require.NoError(t, bc.AddBlock(b))
checkTxHalt(t, bc, txDeploy2.Hash())
// Deposit some GAS to notary contract for priv0
transferTx = newNEP17Transfer(gasHash, priv0.GetScriptHash(), notaryHash, 10_0000_0000, priv0.GetScriptHash(), int64(bc.BlockHeight()+1000))
transferTx.Nonce = getNextNonce()
transferTx.ValidUntilBlock = validUntilBlock
transferTx.Signers = []transaction.Signer{
{
Account: priv0ScriptHash,
Scopes: transaction.CalledByEntry,
},
}
require.NoError(t, addNetworkFee(bc, transferTx, acc0))
transferTx.SystemFee += 10_0000
require.NoError(t, acc0.SignTx(testchain.Network(), transferTx))
b = bc.newBlock(transferTx)
require.NoError(t, bc.AddBlock(b))
checkTxHalt(t, bc, transferTx.Hash())
t.Logf("notaryDepositTxPriv0: %v", transferTx.Hash().StringLE())
// Designate new Notary node
ntr, err := wallet.NewWalletFromFile(path.Join(notaryModulePath, "./testdata/notary1.json"))
require.NoError(t, err)
require.NoError(t, ntr.Accounts[0].Decrypt("one", ntr.Scrypt))
bc.setNodesByRole(t, true, noderoles.P2PNotary, keys.PublicKeys{ntr.Accounts[0].PrivateKey().PublicKey()})
t.Logf("Designated Notary node: %s", hex.EncodeToString(ntr.Accounts[0].PrivateKey().PublicKey().Bytes()))
// Push verification contract with arguments into the chain.
txDeploy3, _ := newDeployTx(t, bc, priv0ScriptHash, prefix+"verification_with_args_contract.go", "VerifyWithArgs", nil)
txDeploy3.Nonce = getNextNonce()
txDeploy3.ValidUntilBlock = validUntilBlock
require.NoError(t, addNetworkFee(bc, txDeploy3, acc0))
require.NoError(t, acc0.SignTx(testchain.Network(), txDeploy3))
b = bc.newBlock(txDeploy3)
require.NoError(t, bc.AddBlock(b)) // block #10
checkTxHalt(t, bc, txDeploy3.Hash())
// Push NameService contract into the chain.
nsPath := examplesPrefix + "nft-nd-nns/"
nsConfigPath := nsPath + "nns.yml"
txDeploy4, _ := newDeployTx(t, bc, priv0ScriptHash, nsPath, nsPath, &nsConfigPath)
txDeploy4.Nonce = getNextNonce()
txDeploy4.ValidUntilBlock = validUntilBlock
require.NoError(t, addNetworkFee(bc, txDeploy4, acc0))
require.NoError(t, acc0.SignTx(testchain.Network(), txDeploy4))
b = bc.newBlock(txDeploy4)
require.NoError(t, bc.AddBlock(b)) // block #11
checkTxHalt(t, bc, txDeploy4.Hash())
nsHash, err := bc.GetContractScriptHash(4)
require.NoError(t, err)
t.Logf("contract (%s): \n\tHash: %s\n", nsPath, nsHash.StringLE())
// register `neo.com` with A record type and priv0 owner via NS
transferFundsToCommittee(t, bc) // block #12
res, err := invokeContractMethodGeneric(bc, defaultNameServiceSysfee,
nsHash, "addRoot", true, "com") // block #13
require.NoError(t, err)
checkResult(t, res, stackitem.Null{})
res, err = invokeContractMethodGeneric(bc, defaultNameServiceDomainPrice+defaultNameServiceSysfee+1_0000_000,
nsHash, "register", acc0, "neo.com", priv0ScriptHash) // block #14
require.NoError(t, err)
checkResult(t, res, stackitem.NewBool(true))
res, err = invokeContractMethodGeneric(bc, defaultNameServiceSysfee, nsHash,
"setRecord", acc0, "neo.com", int64(nns.A), "1.2.3.4") // block #15
require.NoError(t, err)
checkResult(t, res, stackitem.Null{})
// Compile contract to test `invokescript` RPC call
_, _ = newDeployTx(t, bc, priv0ScriptHash, prefix+"invokescript_contract.go", "ContractForInvokescriptTest", nil)
}
func newNEP17Transfer(sc, from, to util.Uint160, amount int64, additionalArgs ...interface{}) *transaction.Transaction {
return newNEP17TransferWithAssert(sc, from, to, amount, true, additionalArgs...)
}
func newNEP17TransferWithAssert(sc, from, to util.Uint160, amount int64, needAssert bool, additionalArgs ...interface{}) *transaction.Transaction {
w := io.NewBufBinWriter()
emit.AppCall(w.BinWriter, sc, "transfer", callflag.All, from, to, amount, additionalArgs)
if needAssert {
emit.Opcodes(w.BinWriter, opcode.ASSERT)
}
if w.Err != nil {
panic(fmt.Errorf("failed to create nep17 transfer transaction: %w", w.Err))
}
script := w.Bytes()
return transaction.New(script, 11000000)
}
func newDeployTx(t *testing.T, bc *Blockchain, sender util.Uint160, name, ctrName string, cfgName *string) (*transaction.Transaction, util.Uint160) {
c, err := ioutil.ReadFile(name)
var (
tx *transaction.Transaction
h util.Uint160
avm []byte
)
if err == nil {
tx, h, avm, err = testchain.NewDeployTx(bc, ctrName, sender, bytes.NewReader(c), cfgName)
} else {
tx, h, avm, err = testchain.NewDeployTx(bc, ctrName, sender, nil, cfgName)
}
require.NoError(t, err)
t.Logf("contract (%s): \n\tHash: %s\n\tAVM: %s", name, h.StringLE(), base64.StdEncoding.EncodeToString(avm))
return tx, h
}
func addSigners(sender util.Uint160, txs ...*transaction.Transaction) {
for _, tx := range txs {
tx.Signers = []transaction.Signer{{
Account: sender,
Scopes: transaction.CalledByEntry,
AllowedContracts: nil,
AllowedGroups: nil,
}}
}
}
func addNetworkFee(bc *Blockchain, tx *transaction.Transaction, sender *wallet.Account) error {
size := io.GetVarSize(tx)
netFee, sizeDelta := fee.Calculate(bc.GetBaseExecFee(), sender.Contract.Script)
tx.NetworkFee += netFee
size += sizeDelta
for _, cosigner := range tx.Signers {
contract := bc.GetContractState(cosigner.Account)
if contract != nil {
netFee, sizeDelta = fee.Calculate(bc.GetBaseExecFee(), contract.NEF.Script)
tx.NetworkFee += netFee
size += sizeDelta
}
}
tx.NetworkFee += int64(size) * bc.FeePerByte()
return nil
}
// Signer can be either bool or *wallet.Account.
// In the first case `true` means sign by committee, `false` means sign by validators.
func prepareContractMethodInvokeGeneric(chain *Blockchain, sysfee int64,
hash util.Uint160, method string, signer interface{}, args ...interface{}) (*transaction.Transaction, error) {
w := io.NewBufBinWriter()
emit.AppCall(w.BinWriter, hash, method, callflag.All, args...)
if w.Err != nil {
return nil, w.Err
}
script := w.Bytes()
tx := transaction.New(script, sysfee)
tx.ValidUntilBlock = chain.blockHeight + 1
var err error
switch s := signer.(type) {
case bool:
if s {
addSigners(testchain.CommitteeScriptHash(), tx)
err = testchain.SignTxCommittee(chain, tx)
} else {
addSigners(neoOwner, tx)
err = testchain.SignTx(chain, tx)
}
case *wallet.Account:
signTxWithAccounts(chain, tx, s)
case []*wallet.Account:
signTxWithAccounts(chain, tx, s...)
default:
panic("invalid signer")
}
if err != nil {
return nil, err
}
return tx, nil
}
func signTxWithAccounts(chain *Blockchain, tx *transaction.Transaction, accs ...*wallet.Account) {
scope := transaction.CalledByEntry
for _, acc := range accs {
accH, _ := address.StringToUint160(acc.Address)
tx.Signers = append(tx.Signers, transaction.Signer{
Account: accH,
Scopes: scope,
})
scope = transaction.Global
}
size := io.GetVarSize(tx)
for _, acc := range accs {
if acc.Contract.Deployed {
// don't need precise calculation for tests
tx.NetworkFee += 1000_0000
continue
}
netFee, sizeDelta := fee.Calculate(chain.GetBaseExecFee(), acc.Contract.Script)
size += sizeDelta
tx.NetworkFee += netFee
}
tx.NetworkFee += int64(size) * chain.FeePerByte()
for _, acc := range accs {
if err := acc.SignTx(testchain.Network(), tx); err != nil {
panic(err)
}
}
}
func prepareContractMethodInvoke(chain *Blockchain, sysfee int64,
hash util.Uint160, method string, args ...interface{}) (*transaction.Transaction, error) {
return prepareContractMethodInvokeGeneric(chain, sysfee, hash,
method, false, args...)
}
func persistBlock(chain *Blockchain, txs ...*transaction.Transaction) ([]*state.AppExecResult, error) {
b := chain.newBlock(txs...)
err := chain.AddBlock(b)
if err != nil {
return nil, err
}
aers := make([]*state.AppExecResult, len(txs))
for i, tx := range txs {
res, err := chain.GetAppExecResults(tx.Hash(), trigger.Application)
if err != nil {
return nil, err
}
aers[i] = &res[0]
}
return aers, nil
}
func invokeContractMethod(chain *Blockchain, sysfee int64, hash util.Uint160, method string, args ...interface{}) (*state.AppExecResult, error) {
return invokeContractMethodGeneric(chain, sysfee, hash, method, false, args...)
}
func invokeContractMethodGeneric(chain *Blockchain, sysfee int64, hash util.Uint160, method string,
signer interface{}, args ...interface{}) (*state.AppExecResult, error) {
tx, err := prepareContractMethodInvokeGeneric(chain, sysfee, hash,
method, signer, args...)
if err != nil {
return nil, err
}
aers, err := persistBlock(chain, tx)
if err != nil {
return nil, err
}
return aers[0], nil
}
func invokeContractMethodBy(t *testing.T, chain *Blockchain, signer *wallet.Account, hash util.Uint160, method string, args ...interface{}) (*state.AppExecResult, error) {
var (
netfee int64 = 1000_0000
sysfee int64 = 1_0000_0000
)
transferTx := transferTokenFromMultisigAccount(t, chain, signer.PrivateKey().PublicKey().GetScriptHash(), chain.contracts.GAS.Hash, sysfee+netfee+1000_0000, nil)
res, err := chain.GetAppExecResults(transferTx.Hash(), trigger.Application)
require.NoError(t, err)
require.Equal(t, vm.HaltState, res[0].VMState)
require.Equal(t, 0, len(res[0].Stack))
return invokeContractMethodGeneric(chain, sysfee, hash, method, signer, args...)
}
func transferTokenFromMultisigAccountCheckOK(t *testing.T, chain *Blockchain, to, tokenHash util.Uint160, amount int64, additionalArgs ...interface{}) {
transferTx := transferTokenFromMultisigAccount(t, chain, to, tokenHash, amount, additionalArgs...)
res, err := chain.GetAppExecResults(transferTx.Hash(), trigger.Application)
require.NoError(t, err)
require.Equal(t, vm.HaltState, res[0].VMState)
require.Equal(t, 0, len(res[0].Stack))
}
func transferTokenFromMultisigAccount(t *testing.T, chain *Blockchain, to, tokenHash util.Uint160, amount int64, additionalArgs ...interface{}) *transaction.Transaction {
return transferTokenFromMultisigAccountWithAssert(t, chain, to, tokenHash, amount, true, additionalArgs...)
}
func transferTokenFromMultisigAccountWithAssert(t *testing.T, chain *Blockchain, to, tokenHash util.Uint160, amount int64, needAssert bool, additionalArgs ...interface{}) *transaction.Transaction {
transferTx := newNEP17TransferWithAssert(tokenHash, testchain.MultisigScriptHash(), to, amount, needAssert, additionalArgs...)
transferTx.SystemFee = 100000000
transferTx.ValidUntilBlock = chain.BlockHeight() + 1
addSigners(neoOwner, transferTx)
require.NoError(t, testchain.SignTx(chain, transferTx))
b := chain.newBlock(transferTx)
require.NoError(t, chain.AddBlock(b))
return transferTx
}
func checkResult(t *testing.T, result *state.AppExecResult, expected stackitem.Item) {
require.Equal(t, vm.HaltState, result.VMState, result.FaultException)
require.Equal(t, 1, len(result.Stack))
require.Equal(t, expected, result.Stack[0])
}
func checkFAULTState(t *testing.T, result *state.AppExecResult) {
require.Equal(t, vm.FaultState, result.VMState)
}
func checkBalanceOf(t *testing.T, chain *Blockchain, addr util.Uint160, expected int) {
balance := chain.GetUtilityTokenBalance(addr)
require.Equal(t, int64(expected), balance.Int64())
}
type NotaryFeerStub struct {
bc blockchainer.Blockchainer
}
func (f NotaryFeerStub) FeePerByte() int64 { return f.bc.FeePerByte() }
func (f NotaryFeerStub) GetUtilityTokenBalance(acc util.Uint160) *big.Int {
return f.bc.GetNotaryBalance(acc)
}
func (f NotaryFeerStub) BlockHeight() uint32 { return f.bc.BlockHeight() }
func (f NotaryFeerStub) P2PSigExtensionsEnabled() bool { return f.bc.P2PSigExtensionsEnabled() }
func NewNotaryFeerStub(bc blockchainer.Blockchainer) NotaryFeerStub {
return NotaryFeerStub{
bc: bc,
}
}