mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-27 13:58:05 +00:00
307 lines
8.7 KiB
Go
307 lines
8.7 KiB
Go
package core
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import (
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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"time"
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"github.com/CityOfZion/neo-go/config"
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"github.com/CityOfZion/neo-go/pkg/core/block"
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"github.com/CityOfZion/neo-go/pkg/core/storage"
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"github.com/CityOfZion/neo-go/pkg/core/transaction"
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"github.com/CityOfZion/neo-go/pkg/crypto/hash"
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"github.com/CityOfZion/neo-go/pkg/crypto/keys"
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"github.com/CityOfZion/neo-go/pkg/io"
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"github.com/CityOfZion/neo-go/pkg/smartcontract"
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"github.com/CityOfZion/neo-go/pkg/util"
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"github.com/CityOfZion/neo-go/pkg/vm/emit"
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"github.com/CityOfZion/neo-go/pkg/vm/opcode"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap/zaptest"
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)
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var privNetKeys = []string{
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"KxyjQ8eUa4FHt3Gvioyt1Wz29cTUrE4eTqX3yFSk1YFCsPL8uNsY",
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"KzfPUYDC9n2yf4fK5ro4C8KMcdeXtFuEnStycbZgX3GomiUsvX6W",
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"KzgWE3u3EDp13XPXXuTKZxeJ3Gi8Bsm8f9ijY3ZsCKKRvZUo1Cdn",
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"L2oEXKRAAMiPEZukwR5ho2S6SMeQLhcK9mF71ZnF7GvT8dU4Kkgz",
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}
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// newTestChain should be called before newBlock invocation to properly setup
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// global state.
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func newTestChain(t *testing.T) *Blockchain {
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unitTestNetCfg, err := config.Load("../../config", config.ModeUnitTestNet)
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require.NoError(t, err)
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chain, err := NewBlockchain(storage.NewMemoryStore(), unitTestNetCfg.ProtocolConfiguration, zaptest.NewLogger(t))
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require.NoError(t, err)
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go chain.Run()
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return chain
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}
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func (bc *Blockchain) newBlock(txs ...*transaction.Transaction) *block.Block {
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lastBlock := bc.topBlock.Load().(*block.Block)
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return newBlock(bc.config, lastBlock.Index+1, lastBlock.Hash(), txs...)
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}
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func newBlock(cfg config.ProtocolConfiguration, index uint32, prev util.Uint256, txs ...*transaction.Transaction) *block.Block {
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validators, _ := getValidators(cfg)
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vlen := len(validators)
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valScript, _ := smartcontract.CreateMultiSigRedeemScript(
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vlen-(vlen-1)/3,
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validators,
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)
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witness := transaction.Witness{
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VerificationScript: valScript,
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}
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b := &block.Block{
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Base: block.Base{
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Version: 0,
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PrevHash: prev,
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Timestamp: uint32(time.Now().UTC().Unix()) + index,
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Index: index,
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ConsensusData: 1111,
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NextConsensus: witness.ScriptHash(),
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Script: witness,
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},
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Transactions: txs,
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}
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_ = b.RebuildMerkleRoot()
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invScript := make([]byte, 0)
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for _, wif := range privNetKeys {
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pKey, err := keys.NewPrivateKeyFromWIF(wif)
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if err != nil {
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panic(err)
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}
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b := b.GetHashableData()
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sig := pKey.Sign(b)
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if len(sig) != 64 {
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panic("wrong signature length")
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}
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invScript = append(invScript, byte(opcode.PUSHBYTES64))
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invScript = append(invScript, sig...)
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}
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b.Script.InvocationScript = invScript
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return b
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}
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func (bc *Blockchain) genBlocks(n int) ([]*block.Block, error) {
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blocks := make([]*block.Block, n)
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lastHash := bc.topBlock.Load().(*block.Block).Hash()
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for i := 0; i < n; i++ {
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blocks[i] = newBlock(bc.config, uint32(i)+1, lastHash, newMinerTX())
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if err := bc.AddBlock(blocks[i]); err != nil {
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return blocks, err
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}
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lastHash = blocks[i].Hash()
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}
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return blocks, nil
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}
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func newMinerTX() *transaction.Transaction {
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return &transaction.Transaction{
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Type: transaction.MinerType,
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Data: &transaction.MinerTX{},
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}
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}
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func getDecodedBlock(t *testing.T, i int) *block.Block {
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data, err := getBlockData(i)
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require.NoError(t, err)
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b, err := hex.DecodeString(data["raw"].(string))
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require.NoError(t, err)
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block := &block.Block{}
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r := io.NewBinReaderFromBuf(b)
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block.DecodeBinary(r)
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require.NoError(t, r.Err)
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return block
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}
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func getBlockData(i int) (map[string]interface{}, error) {
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b, err := ioutil.ReadFile(fmt.Sprintf("test_data/block_%d.json", i))
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if err != nil {
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return nil, err
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}
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var data map[string]interface{}
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if err := json.Unmarshal(b, &data); err != nil {
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return nil, err
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}
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return data, err
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}
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func newDumbBlock() *block.Block {
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return &block.Block{
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Base: block.Base{
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Version: 0,
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PrevHash: hash.Sha256([]byte("a")),
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MerkleRoot: hash.Sha256([]byte("b")),
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Timestamp: uint32(100500),
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Index: 1,
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ConsensusData: 1111,
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NextConsensus: hash.Hash160([]byte("a")),
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Script: transaction.Witness{
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VerificationScript: []byte{0x51}, // PUSH1
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InvocationScript: []byte{0x61}, // NOP
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},
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},
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Transactions: []*transaction.Transaction{
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{Type: transaction.MinerType},
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{Type: transaction.IssueType},
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},
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}
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}
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func getInvocationScript(data []byte, priv *keys.PrivateKey) []byte {
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signature := priv.Sign(data)
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return append([]byte{byte(opcode.PUSHBYTES64)}, signature...)
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}
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// This function generates "../rpc/testdata/testblocks.acc" file which contains data
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// for RPC unit tests.
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// To generate new "../rpc/testdata/testblocks.acc", follow the steps:
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// 1. Rename the function
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// 2. Add specific test-case into "neo-go/pkg/core/blockchain_test.go"
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// 3. Run tests with `$ make test`
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func _(t *testing.T) {
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const prefix = "../rpc/server/testdata/"
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bc := newTestChain(t)
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n := 50
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_, err := bc.genBlocks(n)
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require.NoError(t, err)
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tx1 := newMinerTX()
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avm, err := ioutil.ReadFile(prefix + "test_contract.avm")
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require.NoError(t, err)
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var props smartcontract.PropertyState
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script := io.NewBufBinWriter()
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emit.Bytes(script.BinWriter, []byte("Da contract dat hallos u"))
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emit.Bytes(script.BinWriter, []byte("joe@example.com"))
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emit.Bytes(script.BinWriter, []byte("Random Guy"))
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emit.Bytes(script.BinWriter, []byte("0.99"))
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emit.Bytes(script.BinWriter, []byte("Helloer"))
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props |= smartcontract.HasStorage
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emit.Int(script.BinWriter, int64(props))
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emit.Int(script.BinWriter, int64(5))
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params := make([]byte, 1)
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params[0] = byte(7)
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emit.Bytes(script.BinWriter, params)
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emit.Bytes(script.BinWriter, avm)
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emit.Syscall(script.BinWriter, "Neo.Contract.Create")
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txScript := script.Bytes()
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tx2 := transaction.NewInvocationTX(txScript, util.Fixed8FromFloat(100))
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block := bc.newBlock(tx1, tx2)
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require.NoError(t, bc.AddBlock(block))
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script = io.NewBufBinWriter()
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emit.String(script.BinWriter, "testvalue")
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emit.String(script.BinWriter, "testkey")
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emit.Int(script.BinWriter, 2)
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emit.Opcode(script.BinWriter, opcode.PACK)
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emit.String(script.BinWriter, "Put")
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emit.AppCall(script.BinWriter, hash.Hash160(avm), false)
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tx3 := transaction.NewInvocationTX(script.Bytes(), util.Fixed8FromFloat(100))
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tx4 := transaction.NewContractTX()
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h, err := util.Uint256DecodeStringBE("6da730b566db183bfceb863b780cd92dee2b497e5a023c322c1eaca81cf9ad7a")
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require.NoError(t, err)
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tx4.AddInput(&transaction.Input{
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PrevHash: h,
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PrevIndex: 0,
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})
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// multisig address which possess all NEO
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scriptHash, err := util.Uint160DecodeStringBE("be48d3a3f5d10013ab9ffee489706078714f1ea2")
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require.NoError(t, err)
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priv, err := keys.NewPrivateKeyFromWIF(privNetKeys[0])
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require.NoError(t, err)
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tx4.AddOutput(&transaction.Output{
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AssetID: GoverningTokenID(),
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Amount: util.Fixed8FromInt64(1000),
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ScriptHash: priv.GetScriptHash(),
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Position: 0,
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})
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tx4.AddOutput(&transaction.Output{
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AssetID: GoverningTokenID(),
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Amount: util.Fixed8FromInt64(99999000),
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ScriptHash: scriptHash,
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Position: 1,
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})
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tx4.Data = new(transaction.ContractTX)
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validators, err := getValidators(bc.config)
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require.NoError(t, err)
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rawScript, err := smartcontract.CreateMultiSigRedeemScript(len(bc.config.StandbyValidators)/2+1, validators)
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require.NoError(t, err)
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data := tx4.GetSignedPart()
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var invoc []byte
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for i := range privNetKeys {
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priv, err := keys.NewPrivateKeyFromWIF(privNetKeys[i])
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require.NoError(t, err)
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invoc = append(invoc, getInvocationScript(data, priv)...)
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}
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tx4.Scripts = []transaction.Witness{{
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InvocationScript: invoc,
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VerificationScript: rawScript,
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}}
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b := bc.newBlock(newMinerTX(), tx3, tx4)
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require.NoError(t, bc.AddBlock(b))
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priv1, err := keys.NewPrivateKeyFromWIF(privNetKeys[1])
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require.NoError(t, err)
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tx5 := transaction.NewContractTX()
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tx5.Data = new(transaction.ContractTX)
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tx5.AddInput(&transaction.Input{
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PrevHash: tx4.Hash(),
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PrevIndex: 0,
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})
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tx5.AddOutput(&transaction.Output{
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AssetID: GoverningTokenID(),
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Amount: util.Fixed8FromInt64(1000),
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ScriptHash: priv1.GetScriptHash(),
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})
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tx5.Scripts = []transaction.Witness{{
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InvocationScript: getInvocationScript(tx5.GetSignedPart(), priv),
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VerificationScript: priv.PublicKey().GetVerificationScript(),
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}}
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b = bc.newBlock(newMinerTX(), tx5)
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require.NoError(t, bc.AddBlock(b))
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outStream, err := os.Create(prefix + "testblocks.acc")
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require.NoError(t, err)
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defer outStream.Close()
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writer := io.NewBinWriterFromIO(outStream)
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count := bc.BlockHeight() + 1
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writer.WriteU32LE(count - 1)
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for i := 1; i < int(count); i++ {
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bh := bc.GetHeaderHash(i)
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b, err := bc.GetBlock(bh)
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require.NoError(t, err)
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buf := io.NewBufBinWriter()
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b.EncodeBinary(buf.BinWriter)
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bytes := buf.Bytes()
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writer.WriteU32LE(uint32(len(bytes)))
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writer.WriteBytes(bytes)
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require.NoError(t, writer.Err)
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}
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}
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