You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
572 lines
17 KiB
572 lines
17 KiB
package store
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"os"
|
|
"runtime/debug"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/gogo/protobuf/proto"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
dbm "github.com/tendermint/tm-db"
|
|
|
|
cfg "github.com/tendermint/tendermint/config"
|
|
"github.com/tendermint/tendermint/crypto"
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
tmrand "github.com/tendermint/tendermint/libs/rand"
|
|
tmstore "github.com/tendermint/tendermint/proto/tendermint/store"
|
|
sm "github.com/tendermint/tendermint/state"
|
|
"github.com/tendermint/tendermint/types"
|
|
tmtime "github.com/tendermint/tendermint/types/time"
|
|
)
|
|
|
|
// A cleanupFunc cleans up any config / test files created for a particular
|
|
// test.
|
|
type cleanupFunc func()
|
|
|
|
// make a Commit with a single vote containing just the height and a timestamp
|
|
func makeTestCommit(height int64, timestamp time.Time) *types.Commit {
|
|
commitSigs := []types.CommitSig{{
|
|
BlockIDFlag: types.BlockIDFlagCommit,
|
|
ValidatorAddress: tmrand.Bytes(crypto.AddressSize),
|
|
Timestamp: timestamp,
|
|
Signature: []byte("Signature"),
|
|
}}
|
|
return types.NewCommit(height, 0,
|
|
types.BlockID{Hash: []byte(""), PartSetHeader: types.PartSetHeader{Hash: []byte(""), Total: 2}}, commitSigs)
|
|
}
|
|
|
|
func makeTxs(height int64) (txs []types.Tx) {
|
|
for i := 0; i < 10; i++ {
|
|
txs = append(txs, types.Tx([]byte{byte(height), byte(i)}))
|
|
}
|
|
return txs
|
|
}
|
|
|
|
func makeBlock(height int64, state sm.State, lastCommit *types.Commit) *types.Block {
|
|
block, _ := state.MakeBlock(height, makeTxs(height), lastCommit, nil, state.Validators.GetProposer().Address)
|
|
return block
|
|
}
|
|
|
|
func makeStateAndBlockStore(logger log.Logger) (sm.State, *BlockStore, cleanupFunc) {
|
|
config := cfg.ResetTestRoot("blockchain_reactor_test")
|
|
// blockDB := dbm.NewDebugDB("blockDB", dbm.NewMemDB())
|
|
// stateDB := dbm.NewDebugDB("stateDB", dbm.NewMemDB())
|
|
blockDB := dbm.NewMemDB()
|
|
stateDB := dbm.NewMemDB()
|
|
state, err := sm.LoadStateFromDBOrGenesisFile(stateDB, config.GenesisFile())
|
|
if err != nil {
|
|
panic(fmt.Errorf("error constructing state from genesis file: %w", err))
|
|
}
|
|
return state, NewBlockStore(blockDB), func() { os.RemoveAll(config.RootDir) }
|
|
}
|
|
|
|
func TestLoadBlockStoreState(t *testing.T) {
|
|
|
|
type blockStoreTest struct {
|
|
testName string
|
|
bss *tmstore.BlockStoreState
|
|
want tmstore.BlockStoreState
|
|
}
|
|
|
|
testCases := []blockStoreTest{
|
|
{"success", &tmstore.BlockStoreState{Base: 100, Height: 1000},
|
|
tmstore.BlockStoreState{Base: 100, Height: 1000}},
|
|
{"empty", &tmstore.BlockStoreState{}, tmstore.BlockStoreState{}},
|
|
{"no base", &tmstore.BlockStoreState{Height: 1000}, tmstore.BlockStoreState{Base: 1, Height: 1000}},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
db := dbm.NewMemDB()
|
|
SaveBlockStoreState(tc.bss, db)
|
|
retrBSJ := LoadBlockStoreState(db)
|
|
assert.Equal(t, tc.want, retrBSJ, "expected the retrieved DBs to match: %s", tc.testName)
|
|
}
|
|
}
|
|
|
|
func TestNewBlockStore(t *testing.T) {
|
|
db := dbm.NewMemDB()
|
|
bss := tmstore.BlockStoreState{Base: 100, Height: 10000}
|
|
bz, _ := proto.Marshal(&bss)
|
|
err := db.Set(blockStoreKey, bz)
|
|
require.NoError(t, err)
|
|
bs := NewBlockStore(db)
|
|
require.Equal(t, int64(100), bs.Base(), "failed to properly parse blockstore")
|
|
require.Equal(t, int64(10000), bs.Height(), "failed to properly parse blockstore")
|
|
|
|
panicCausers := []struct {
|
|
data []byte
|
|
wantErr string
|
|
}{
|
|
{[]byte("artful-doger"), "not unmarshal bytes"},
|
|
{[]byte(" "), "unmarshal bytes"},
|
|
}
|
|
|
|
for i, tt := range panicCausers {
|
|
tt := tt
|
|
// Expecting a panic here on trying to parse an invalid blockStore
|
|
_, _, panicErr := doFn(func() (interface{}, error) {
|
|
err := db.Set(blockStoreKey, tt.data)
|
|
require.NoError(t, err)
|
|
_ = NewBlockStore(db)
|
|
return nil, nil
|
|
})
|
|
require.NotNil(t, panicErr, "#%d panicCauser: %q expected a panic", i, tt.data)
|
|
assert.Contains(t, fmt.Sprintf("%#v", panicErr), tt.wantErr, "#%d data: %q", i, tt.data)
|
|
}
|
|
|
|
err = db.Set(blockStoreKey, []byte{})
|
|
require.NoError(t, err)
|
|
bs = NewBlockStore(db)
|
|
assert.Equal(t, bs.Height(), int64(0), "expecting empty bytes to be unmarshaled alright")
|
|
}
|
|
|
|
func freshBlockStore() (*BlockStore, dbm.DB) {
|
|
db := dbm.NewMemDB()
|
|
return NewBlockStore(db), db
|
|
}
|
|
|
|
var (
|
|
state sm.State
|
|
block *types.Block
|
|
partSet *types.PartSet
|
|
part1 *types.Part
|
|
part2 *types.Part
|
|
seenCommit1 *types.Commit
|
|
)
|
|
|
|
func TestMain(m *testing.M) {
|
|
var cleanup cleanupFunc
|
|
state, _, cleanup = makeStateAndBlockStore(log.NewTMLogger(new(bytes.Buffer)))
|
|
block = makeBlock(1, state, new(types.Commit))
|
|
partSet = block.MakePartSet(2)
|
|
part1 = partSet.GetPart(0)
|
|
part2 = partSet.GetPart(1)
|
|
seenCommit1 = makeTestCommit(10, tmtime.Now())
|
|
code := m.Run()
|
|
cleanup()
|
|
os.Exit(code)
|
|
}
|
|
|
|
// TODO: This test should be simplified ...
|
|
|
|
func TestBlockStoreSaveLoadBlock(t *testing.T) {
|
|
state, bs, cleanup := makeStateAndBlockStore(log.NewTMLogger(new(bytes.Buffer)))
|
|
defer cleanup()
|
|
require.Equal(t, bs.Base(), int64(0), "initially the base should be zero")
|
|
require.Equal(t, bs.Height(), int64(0), "initially the height should be zero")
|
|
|
|
// check there are no blocks at various heights
|
|
noBlockHeights := []int64{0, -1, 100, 1000, 2}
|
|
for i, height := range noBlockHeights {
|
|
if g := bs.LoadBlock(height); g != nil {
|
|
t.Errorf("#%d: height(%d) got a block; want nil", i, height)
|
|
}
|
|
}
|
|
|
|
// save a block
|
|
block := makeBlock(bs.Height()+1, state, new(types.Commit))
|
|
validPartSet := block.MakePartSet(2)
|
|
seenCommit := makeTestCommit(10, tmtime.Now())
|
|
bs.SaveBlock(block, partSet, seenCommit)
|
|
require.EqualValues(t, 1, bs.Base(), "expecting the new height to be changed")
|
|
require.EqualValues(t, block.Header.Height, bs.Height(), "expecting the new height to be changed")
|
|
|
|
incompletePartSet := types.NewPartSetFromHeader(types.PartSetHeader{Total: 2})
|
|
uncontiguousPartSet := types.NewPartSetFromHeader(types.PartSetHeader{Total: 0})
|
|
uncontiguousPartSet.AddPart(part2)
|
|
|
|
header1 := types.Header{
|
|
Height: 1,
|
|
ChainID: "block_test",
|
|
Time: tmtime.Now(),
|
|
ProposerAddress: tmrand.Bytes(crypto.AddressSize),
|
|
}
|
|
|
|
// End of setup, test data
|
|
|
|
commitAtH10 := makeTestCommit(10, tmtime.Now())
|
|
tuples := []struct {
|
|
block *types.Block
|
|
parts *types.PartSet
|
|
seenCommit *types.Commit
|
|
wantPanic string
|
|
wantErr bool
|
|
|
|
corruptBlockInDB bool
|
|
corruptCommitInDB bool
|
|
corruptSeenCommitInDB bool
|
|
eraseCommitInDB bool
|
|
eraseSeenCommitInDB bool
|
|
}{
|
|
{
|
|
block: newBlock(header1, commitAtH10),
|
|
parts: validPartSet,
|
|
seenCommit: seenCommit1,
|
|
},
|
|
|
|
{
|
|
block: nil,
|
|
wantPanic: "only save a non-nil block",
|
|
},
|
|
|
|
{
|
|
block: newBlock( // New block at height 5 in empty block store is fine
|
|
types.Header{
|
|
Height: 5,
|
|
ChainID: "block_test",
|
|
Time: tmtime.Now(),
|
|
ProposerAddress: tmrand.Bytes(crypto.AddressSize)},
|
|
makeTestCommit(5, tmtime.Now()),
|
|
),
|
|
parts: validPartSet,
|
|
seenCommit: makeTestCommit(5, tmtime.Now()),
|
|
},
|
|
|
|
{
|
|
block: newBlock(header1, commitAtH10),
|
|
parts: incompletePartSet,
|
|
wantPanic: "only save complete block", // incomplete parts
|
|
},
|
|
|
|
{
|
|
block: newBlock(header1, commitAtH10),
|
|
parts: validPartSet,
|
|
seenCommit: seenCommit1,
|
|
corruptCommitInDB: true, // Corrupt the DB's commit entry
|
|
wantPanic: "error reading block commit",
|
|
},
|
|
|
|
{
|
|
block: newBlock(header1, commitAtH10),
|
|
parts: validPartSet,
|
|
seenCommit: seenCommit1,
|
|
wantPanic: "unmarshal to tmproto.BlockMeta",
|
|
corruptBlockInDB: true, // Corrupt the DB's block entry
|
|
},
|
|
|
|
{
|
|
block: newBlock(header1, commitAtH10),
|
|
parts: validPartSet,
|
|
seenCommit: seenCommit1,
|
|
|
|
// Expecting no error and we want a nil back
|
|
eraseSeenCommitInDB: true,
|
|
},
|
|
|
|
{
|
|
block: newBlock(header1, commitAtH10),
|
|
parts: validPartSet,
|
|
seenCommit: seenCommit1,
|
|
|
|
corruptSeenCommitInDB: true,
|
|
wantPanic: "error reading block seen commit",
|
|
},
|
|
|
|
{
|
|
block: newBlock(header1, commitAtH10),
|
|
parts: validPartSet,
|
|
seenCommit: seenCommit1,
|
|
|
|
// Expecting no error and we want a nil back
|
|
eraseCommitInDB: true,
|
|
},
|
|
}
|
|
|
|
type quad struct {
|
|
block *types.Block
|
|
commit *types.Commit
|
|
meta *types.BlockMeta
|
|
|
|
seenCommit *types.Commit
|
|
}
|
|
|
|
for i, tuple := range tuples {
|
|
tuple := tuple
|
|
bs, db := freshBlockStore()
|
|
// SaveBlock
|
|
res, err, panicErr := doFn(func() (interface{}, error) {
|
|
bs.SaveBlock(tuple.block, tuple.parts, tuple.seenCommit)
|
|
if tuple.block == nil {
|
|
return nil, nil
|
|
}
|
|
|
|
if tuple.corruptBlockInDB {
|
|
err := db.Set(calcBlockMetaKey(tuple.block.Height), []byte("block-bogus"))
|
|
require.NoError(t, err)
|
|
}
|
|
bBlock := bs.LoadBlock(tuple.block.Height)
|
|
bBlockMeta := bs.LoadBlockMeta(tuple.block.Height)
|
|
|
|
if tuple.eraseSeenCommitInDB {
|
|
db.Delete(calcSeenCommitKey(tuple.block.Height))
|
|
}
|
|
if tuple.corruptSeenCommitInDB {
|
|
err := db.Set(calcSeenCommitKey(tuple.block.Height), []byte("bogus-seen-commit"))
|
|
require.NoError(t, err)
|
|
}
|
|
bSeenCommit := bs.LoadSeenCommit(tuple.block.Height)
|
|
|
|
commitHeight := tuple.block.Height - 1
|
|
if tuple.eraseCommitInDB {
|
|
db.Delete(calcBlockCommitKey(commitHeight))
|
|
}
|
|
if tuple.corruptCommitInDB {
|
|
err := db.Set(calcBlockCommitKey(commitHeight), []byte("foo-bogus"))
|
|
require.NoError(t, err)
|
|
}
|
|
bCommit := bs.LoadBlockCommit(commitHeight)
|
|
return &quad{block: bBlock, seenCommit: bSeenCommit, commit: bCommit,
|
|
meta: bBlockMeta}, nil
|
|
})
|
|
|
|
if subStr := tuple.wantPanic; subStr != "" {
|
|
if panicErr == nil {
|
|
t.Errorf("#%d: want a non-nil panic", i)
|
|
} else if got := fmt.Sprintf("%#v", panicErr); !strings.Contains(got, subStr) {
|
|
t.Errorf("#%d:\n\tgotErr: %q\nwant substring: %q", i, got, subStr)
|
|
}
|
|
continue
|
|
}
|
|
|
|
if tuple.wantErr {
|
|
if err == nil {
|
|
t.Errorf("#%d: got nil error", i)
|
|
}
|
|
continue
|
|
}
|
|
|
|
assert.Nil(t, panicErr, "#%d: unexpected panic", i)
|
|
assert.Nil(t, err, "#%d: expecting a non-nil error", i)
|
|
qua, ok := res.(*quad)
|
|
if !ok || qua == nil {
|
|
t.Errorf("#%d: got nil quad back; gotType=%T", i, res)
|
|
continue
|
|
}
|
|
if tuple.eraseSeenCommitInDB {
|
|
assert.Nil(t, qua.seenCommit,
|
|
"erased the seenCommit in the DB hence we should get back a nil seenCommit")
|
|
}
|
|
if tuple.eraseCommitInDB {
|
|
assert.Nil(t, qua.commit,
|
|
"erased the commit in the DB hence we should get back a nil commit")
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestLoadBlockPart(t *testing.T) {
|
|
bs, db := freshBlockStore()
|
|
height, index := int64(10), 1
|
|
loadPart := func() (interface{}, error) {
|
|
part := bs.LoadBlockPart(height, index)
|
|
return part, nil
|
|
}
|
|
|
|
// Initially no contents.
|
|
// 1. Requesting for a non-existent block shouldn't fail
|
|
res, _, panicErr := doFn(loadPart)
|
|
require.Nil(t, panicErr, "a non-existent block part shouldn't cause a panic")
|
|
require.Nil(t, res, "a non-existent block part should return nil")
|
|
|
|
// 2. Next save a corrupted block then try to load it
|
|
err := db.Set(calcBlockPartKey(height, index), []byte("Tendermint"))
|
|
require.NoError(t, err)
|
|
res, _, panicErr = doFn(loadPart)
|
|
require.NotNil(t, panicErr, "expecting a non-nil panic")
|
|
require.Contains(t, panicErr.Error(), "unmarshal to tmproto.Part failed")
|
|
|
|
// 3. A good block serialized and saved to the DB should be retrievable
|
|
pb1, err := part1.ToProto()
|
|
require.NoError(t, err)
|
|
err = db.Set(calcBlockPartKey(height, index), mustEncode(pb1))
|
|
require.NoError(t, err)
|
|
gotPart, _, panicErr := doFn(loadPart)
|
|
require.Nil(t, panicErr, "an existent and proper block should not panic")
|
|
require.Nil(t, res, "a properly saved block should return a proper block")
|
|
require.Equal(t, gotPart.(*types.Part), part1,
|
|
"expecting successful retrieval of previously saved block")
|
|
}
|
|
|
|
func TestPruneBlocks(t *testing.T) {
|
|
config := cfg.ResetTestRoot("blockchain_reactor_test")
|
|
defer os.RemoveAll(config.RootDir)
|
|
state, err := sm.LoadStateFromDBOrGenesisFile(dbm.NewMemDB(), config.GenesisFile())
|
|
require.NoError(t, err)
|
|
db := dbm.NewMemDB()
|
|
bs := NewBlockStore(db)
|
|
assert.EqualValues(t, 0, bs.Base())
|
|
assert.EqualValues(t, 0, bs.Height())
|
|
assert.EqualValues(t, 0, bs.Size())
|
|
|
|
// pruning an empty store should error, even when pruning to 0
|
|
_, err = bs.PruneBlocks(1)
|
|
require.Error(t, err)
|
|
|
|
_, err = bs.PruneBlocks(0)
|
|
require.Error(t, err)
|
|
|
|
// make more than 1000 blocks, to test batch deletions
|
|
for h := int64(1); h <= 1500; h++ {
|
|
block := makeBlock(h, state, new(types.Commit))
|
|
partSet := block.MakePartSet(2)
|
|
seenCommit := makeTestCommit(h, tmtime.Now())
|
|
bs.SaveBlock(block, partSet, seenCommit)
|
|
}
|
|
|
|
assert.EqualValues(t, 1, bs.Base())
|
|
assert.EqualValues(t, 1500, bs.Height())
|
|
assert.EqualValues(t, 1500, bs.Size())
|
|
|
|
prunedBlock := bs.LoadBlock(1199)
|
|
|
|
// Check that basic pruning works
|
|
pruned, err := bs.PruneBlocks(1200)
|
|
require.NoError(t, err)
|
|
assert.EqualValues(t, 1199, pruned)
|
|
assert.EqualValues(t, 1200, bs.Base())
|
|
assert.EqualValues(t, 1500, bs.Height())
|
|
assert.EqualValues(t, 301, bs.Size())
|
|
assert.EqualValues(t, tmstore.BlockStoreState{
|
|
Base: 1200,
|
|
Height: 1500,
|
|
}, LoadBlockStoreState(db))
|
|
|
|
require.NotNil(t, bs.LoadBlock(1200))
|
|
require.Nil(t, bs.LoadBlock(1199))
|
|
require.Nil(t, bs.LoadBlockByHash(prunedBlock.Hash()))
|
|
require.Nil(t, bs.LoadBlockCommit(1199))
|
|
require.Nil(t, bs.LoadBlockMeta(1199))
|
|
require.Nil(t, bs.LoadBlockPart(1199, 1))
|
|
|
|
for i := int64(1); i < 1200; i++ {
|
|
require.Nil(t, bs.LoadBlock(i))
|
|
}
|
|
for i := int64(1200); i <= 1500; i++ {
|
|
require.NotNil(t, bs.LoadBlock(i))
|
|
}
|
|
|
|
// Pruning below the current base should error
|
|
_, err = bs.PruneBlocks(1199)
|
|
require.Error(t, err)
|
|
|
|
// Pruning to the current base should work
|
|
pruned, err = bs.PruneBlocks(1200)
|
|
require.NoError(t, err)
|
|
assert.EqualValues(t, 0, pruned)
|
|
|
|
// Pruning again should work
|
|
pruned, err = bs.PruneBlocks(1300)
|
|
require.NoError(t, err)
|
|
assert.EqualValues(t, 100, pruned)
|
|
assert.EqualValues(t, 1300, bs.Base())
|
|
|
|
// Pruning beyond the current height should error
|
|
_, err = bs.PruneBlocks(1501)
|
|
require.Error(t, err)
|
|
|
|
// Pruning to the current height should work
|
|
pruned, err = bs.PruneBlocks(1500)
|
|
require.NoError(t, err)
|
|
assert.EqualValues(t, 200, pruned)
|
|
assert.Nil(t, bs.LoadBlock(1499))
|
|
assert.NotNil(t, bs.LoadBlock(1500))
|
|
assert.Nil(t, bs.LoadBlock(1501))
|
|
}
|
|
|
|
func TestLoadBlockMeta(t *testing.T) {
|
|
bs, db := freshBlockStore()
|
|
height := int64(10)
|
|
loadMeta := func() (interface{}, error) {
|
|
meta := bs.LoadBlockMeta(height)
|
|
return meta, nil
|
|
}
|
|
|
|
// Initially no contents.
|
|
// 1. Requesting for a non-existent blockMeta shouldn't fail
|
|
res, _, panicErr := doFn(loadMeta)
|
|
require.Nil(t, panicErr, "a non-existent blockMeta shouldn't cause a panic")
|
|
require.Nil(t, res, "a non-existent blockMeta should return nil")
|
|
|
|
// 2. Next save a corrupted blockMeta then try to load it
|
|
err := db.Set(calcBlockMetaKey(height), []byte("Tendermint-Meta"))
|
|
require.NoError(t, err)
|
|
res, _, panicErr = doFn(loadMeta)
|
|
require.NotNil(t, panicErr, "expecting a non-nil panic")
|
|
require.Contains(t, panicErr.Error(), "unmarshal to tmproto.BlockMeta")
|
|
|
|
// 3. A good blockMeta serialized and saved to the DB should be retrievable
|
|
meta := &types.BlockMeta{Header: types.Header{Height: 1, ProposerAddress: tmrand.Bytes(crypto.AddressSize)}}
|
|
pbm := meta.ToProto()
|
|
err = db.Set(calcBlockMetaKey(height), mustEncode(pbm))
|
|
require.NoError(t, err)
|
|
gotMeta, _, panicErr := doFn(loadMeta)
|
|
require.Nil(t, panicErr, "an existent and proper block should not panic")
|
|
require.Nil(t, res, "a properly saved blockMeta should return a proper blocMeta ")
|
|
pbmeta := meta.ToProto()
|
|
if gmeta, ok := gotMeta.(*types.BlockMeta); ok {
|
|
pbgotMeta := gmeta.ToProto()
|
|
require.Equal(t, mustEncode(pbmeta), mustEncode(pbgotMeta),
|
|
"expecting successful retrieval of previously saved blockMeta")
|
|
}
|
|
}
|
|
|
|
func TestBlockFetchAtHeight(t *testing.T) {
|
|
state, bs, cleanup := makeStateAndBlockStore(log.NewTMLogger(new(bytes.Buffer)))
|
|
defer cleanup()
|
|
require.Equal(t, bs.Height(), int64(0), "initially the height should be zero")
|
|
block := makeBlock(bs.Height()+1, state, new(types.Commit))
|
|
|
|
partSet := block.MakePartSet(2)
|
|
seenCommit := makeTestCommit(10, tmtime.Now())
|
|
bs.SaveBlock(block, partSet, seenCommit)
|
|
require.Equal(t, bs.Height(), block.Header.Height, "expecting the new height to be changed")
|
|
|
|
blockAtHeight := bs.LoadBlock(bs.Height())
|
|
b1, err := block.ToProto()
|
|
require.NoError(t, err)
|
|
b2, err := blockAtHeight.ToProto()
|
|
require.NoError(t, err)
|
|
bz1 := mustEncode(b1)
|
|
bz2 := mustEncode(b2)
|
|
require.Equal(t, bz1, bz2)
|
|
require.Equal(t, block.Hash(), blockAtHeight.Hash(),
|
|
"expecting a successful load of the last saved block")
|
|
|
|
blockAtHeightPlus1 := bs.LoadBlock(bs.Height() + 1)
|
|
require.Nil(t, blockAtHeightPlus1, "expecting an unsuccessful load of Height()+1")
|
|
blockAtHeightPlus2 := bs.LoadBlock(bs.Height() + 2)
|
|
require.Nil(t, blockAtHeightPlus2, "expecting an unsuccessful load of Height()+2")
|
|
}
|
|
|
|
func doFn(fn func() (interface{}, error)) (res interface{}, err error, panicErr error) {
|
|
defer func() {
|
|
if r := recover(); r != nil {
|
|
switch e := r.(type) {
|
|
case error:
|
|
panicErr = e
|
|
case string:
|
|
panicErr = fmt.Errorf("%s", e)
|
|
default:
|
|
if st, ok := r.(fmt.Stringer); ok {
|
|
panicErr = fmt.Errorf("%s", st)
|
|
} else {
|
|
panicErr = fmt.Errorf("%s", debug.Stack())
|
|
}
|
|
}
|
|
}
|
|
}()
|
|
|
|
res, err = fn()
|
|
return res, err, panicErr
|
|
}
|
|
|
|
func newBlock(hdr types.Header, lastCommit *types.Commit) *types.Block {
|
|
return &types.Block{
|
|
Header: hdr,
|
|
LastCommit: lastCommit,
|
|
}
|
|
}
|