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Merge from panic branch

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This commit is contained in:
Ethan Buchman
2015-06-17 00:16:58 -04:00
committed by Jae Kwon
parent 7196e5ad8e
commit a7ecdd10de
15 changed files with 117 additions and 32 deletions
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24
blockchain/store.go
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@ -23,6 +23,8 @@ There are three types of information stored:
Currently the precommit signatures are duplicated in the Block parts as
well as the Validation. In the future this may change, perhaps by moving
the Validation data outside the Block.
Panics indicate probable corruption in the data
*/
type BlockStore struct {
height int
@ -55,10 +57,11 @@ func (bs *BlockStore) LoadBlock(height int) *types.Block {
var err error
r := bs.GetReader(calcBlockMetaKey(height))
if r == nil {
panic(Fmt("Block does not exist at height %v", height))
return nil
}
meta := binary.ReadBinary(&types.BlockMeta{}, r, &n, &err).(*types.BlockMeta)
if err != nil {
// SOMETHING HAS GONE HORRIBLY WRONG
panic(Fmt("Error reading block meta: %v", err))
}
bytez := []byte{}
@ -68,6 +71,7 @@ func (bs *BlockStore) LoadBlock(height int) *types.Block {
}
block := binary.ReadBinary(&types.Block{}, bytes.NewReader(bytez), &n, &err).(*types.Block)
if err != nil {
// SOMETHING HAS GONE HORRIBLY WRONG
panic(Fmt("Error reading block: %v", err))
}
return block
@ -78,10 +82,11 @@ func (bs *BlockStore) LoadBlockPart(height int, index int) *types.Part {
var err error
r := bs.GetReader(calcBlockPartKey(height, index))
if r == nil {
panic(Fmt("BlockPart does not exist for height %v index %v", height, index))
return nil
}
part := binary.ReadBinary(&types.Part{}, r, &n, &err).(*types.Part)
if err != nil {
// SOMETHING HAS GONE HORRIBLY WRONG
panic(Fmt("Error reading block part: %v", err))
}
return part
@ -92,10 +97,11 @@ func (bs *BlockStore) LoadBlockMeta(height int) *types.BlockMeta {
var err error
r := bs.GetReader(calcBlockMetaKey(height))
if r == nil {
panic(Fmt("BlockMeta does not exist for height %v", height))
return nil
}
meta := binary.ReadBinary(&types.BlockMeta{}, r, &n, &err).(*types.BlockMeta)
if err != nil {
// SOMETHING HAS GONE HORRIBLY WRONG
panic(Fmt("Error reading block meta: %v", err))
}
return meta
@ -108,10 +114,11 @@ func (bs *BlockStore) LoadBlockValidation(height int) *types.Validation {
var err error
r := bs.GetReader(calcBlockValidationKey(height))
if r == nil {
panic(Fmt("BlockValidation does not exist for height %v", height))
return nil
}
validation := binary.ReadBinary(&types.Validation{}, r, &n, &err).(*types.Validation)
if err != nil {
// SOMETHING HAS GONE HORRIBLY WRONG
panic(Fmt("Error reading validation: %v", err))
}
return validation
@ -123,10 +130,11 @@ func (bs *BlockStore) LoadSeenValidation(height int) *types.Validation {
var err error
r := bs.GetReader(calcSeenValidationKey(height))
if r == nil {
panic(Fmt("SeenValidation does not exist for height %v", height))
return nil
}
validation := binary.ReadBinary(&types.Validation{}, r, &n, &err).(*types.Validation)
if err != nil {
// SOMETHING HAS GONE HORRIBLY WRONG
panic(Fmt("Error reading validation: %v", err))
}
return validation
@ -140,9 +148,11 @@ func (bs *BlockStore) LoadSeenValidation(height int) *types.Validation {
func (bs *BlockStore) SaveBlock(block *types.Block, blockParts *types.PartSet, seenValidation *types.Validation) {
height := block.Height
if height != bs.height+1 {
// SANITY CHECK
panic(Fmt("BlockStore can only save contiguous blocks. Wanted %v, got %v", bs.height+1, height))
}
if !blockParts.IsComplete() {
// SANITY CHECK
panic(Fmt("BlockStore can only save complete block part sets"))
}
@ -172,9 +182,11 @@ func (bs *BlockStore) SaveBlock(block *types.Block, blockParts *types.PartSet, s
}
func (bs *BlockStore) saveBlockPart(height int, index int, part *types.Part) {
// SANITY CHECK
if height != bs.height+1 {
panic(Fmt("BlockStore can only save contiguous blocks. Wanted %v, got %v", bs.height+1, height))
}
// SANITY CHECK END
partBytes := binary.BinaryBytes(part)
bs.db.Set(calcBlockPartKey(height, index), partBytes)
}
@ -208,6 +220,7 @@ type BlockStoreStateJSON struct {
func (bsj BlockStoreStateJSON) Save(db dbm.DB) {
bytes, err := json.Marshal(bsj)
if err != nil {
// SANITY CHECK
panic(Fmt("Could not marshal state bytes: %v", err))
}
db.Set(blockStoreKey, bytes)
@ -223,6 +236,7 @@ func LoadBlockStoreStateJSON(db dbm.DB) BlockStoreStateJSON {
bsj := BlockStoreStateJSON{}
err := json.Unmarshal(bytes, &bsj)
if err != nil {
// SOMETHING HAS GONE HORRIBLY WRONG
panic(Fmt("Could not unmarshal bytes: %X", bytes))
}
return bsj