165 lines
4 KiB
Go
165 lines
4 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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"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/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 newBlockPrevHash util.Uint256
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var unitTestNetCfg config.Config
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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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var err error
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unitTestNetCfg, err = config.Load("../../config", config.ModeUnitTestNet)
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if err != nil {
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t.Fatal(err)
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}
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chain, err := NewBlockchain(storage.NewMemoryStore(), unitTestNetCfg.ProtocolConfiguration, zaptest.NewLogger(t))
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if err != nil {
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t.Fatal(err)
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}
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go chain.Run()
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zeroHash, err := chain.GetHeader(chain.GetHeaderHash(0))
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require.Nil(t, err)
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newBlockPrevHash = zeroHash.Hash()
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return chain
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}
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func newBlock(index uint32, txs ...*transaction.Transaction) *block.Block {
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validators, _ := getValidators(unitTestNetCfg.ProtocolConfiguration)
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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: newBlockPrevHash,
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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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newBlockPrevHash = b.Hash()
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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 makeBlocks(n int) []*block.Block {
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blocks := make([]*block.Block, n)
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for i := 0; i < n; i++ {
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blocks[i] = newBlock(uint32(i+1), newMinerTX())
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}
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return blocks
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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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if err != nil {
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t.Fatal(err)
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}
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b, err := hex.DecodeString(data["raw"].(string))
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if err != nil {
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t.Fatal(err)
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}
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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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if r.Err != nil {
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t.Fatal(r.Err)
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}
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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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