mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-12-23 13:41:37 +00:00
128 lines
3.7 KiB
Go
128 lines
3.7 KiB
Go
package core
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import (
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/internal/testchain"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap"
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"go.uber.org/zap/zaptest"
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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.TB) *Blockchain {
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return newTestChainWithCustomCfg(t, nil)
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}
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func newTestChainWithCustomCfg(t testing.TB, f func(*config.Config)) *Blockchain {
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return newTestChainWithCustomCfgAndStore(t, nil, f)
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}
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func newTestChainWithCustomCfgAndStore(t testing.TB, st storage.Store, f func(*config.Config)) *Blockchain {
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chain := initTestChain(t, st, f)
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go chain.Run()
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t.Cleanup(chain.Close)
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return chain
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}
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func initTestChain(t testing.TB, st storage.Store, f func(*config.Config)) *Blockchain {
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chain, err := initTestChainNoCheck(t, st, f)
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require.NoError(t, err)
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return chain
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}
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func initTestChainNoCheck(t testing.TB, st storage.Store, f func(*config.Config)) (*Blockchain, error) {
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unitTestNetCfg, err := config.Load("../../config", testchain.Network())
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require.NoError(t, err)
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if f != nil {
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f(&unitTestNetCfg)
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}
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if st == nil {
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st = storage.NewMemoryStore()
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}
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log := zaptest.NewLogger(t)
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if _, ok := t.(*testing.B); ok {
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log = zap.NewNop()
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}
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return NewBlockchain(st, unitTestNetCfg.ProtocolConfiguration, log)
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}
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func (bc *Blockchain) newBlock(txs ...*transaction.Transaction) *block.Block {
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lastBlock, ok := bc.topBlock.Load().(*block.Block)
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if !ok {
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var err error
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lastBlock, err = bc.GetBlock(bc.GetHeaderHash(bc.BlockHeight()))
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if err != nil {
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panic(err)
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}
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}
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if bc.config.StateRootInHeader {
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sr, err := bc.GetStateModule().GetStateRoot(bc.BlockHeight())
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if err != nil {
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panic(err)
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}
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return newBlockWithState(bc.config, lastBlock.Index+1, lastBlock.Hash(), &sr.Root, txs...)
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}
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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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return newBlockWithState(cfg, index, prev, nil, txs...)
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}
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func newBlockCustom(cfg config.ProtocolConfiguration, f func(b *block.Block),
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txs ...*transaction.Transaction) *block.Block {
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validators, _ := validatorsFromConfig(cfg)
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valScript, _ := smartcontract.CreateDefaultMultiSigRedeemScript(validators)
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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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Header: block.Header{
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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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f(b)
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b.RebuildMerkleRoot()
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b.Script.InvocationScript = testchain.Sign(b)
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return b
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}
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func newBlockWithState(cfg config.ProtocolConfiguration, index uint32, prev util.Uint256,
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prevState *util.Uint256, txs ...*transaction.Transaction) *block.Block {
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return newBlockCustom(cfg, func(b *block.Block) {
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b.PrevHash = prev
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b.Timestamp = uint64(time.Now().UTC().Unix())*1000 + uint64(index)
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b.Index = index
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if prevState != nil {
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b.StateRootEnabled = true
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b.PrevStateRoot = *prevState
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}
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}, txs...)
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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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lastIndex := bc.topBlock.Load().(*block.Block).Index
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for i := 0; i < n; i++ {
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blocks[i] = newBlock(bc.config, uint32(i)+lastIndex+1, lastHash)
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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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