neo-go/pkg/core/basic_chain_test.go

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package core_test
import (
"os"
"path/filepath"
"testing"
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"time"
"github.com/nspcc-dev/neo-go/internal/basicchain"
"github.com/nspcc-dev/neo-go/pkg/config"
"github.com/nspcc-dev/neo-go/pkg/core/chaindump"
"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/stretchr/testify/require"
)
const (
// basicChainPrefix is a prefix used to store Basic chain .acc file for tests.
// It is also used to retrieve smart contracts that should be deployed to
// Basic chain.
basicChainPrefix = "../services/rpcsrv/testdata/"
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// bcPersistInterval is the time period Blockchain persists changes to the
// underlying storage.
bcPersistInterval = time.Second
)
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var (
pathToInternalContracts = filepath.Join("..", "..", "internal", "contracts")
)
// TestCreateBasicChain 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
bc, validators, committee := chain.NewMultiWithCustomConfig(t, func(cfg *config.ProtocolConfiguration) {
cfg.P2PSigExtensions = true
})
e := neotest.NewExecutor(t, bc, validators, committee)
basicchain.Init(t, "../../", e)
if saveChain {
outStream, err := os.Create(basicChainPrefix + "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)
}
require.False(t, saveChain)
}