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blockchain: Remove unused dump function. #1001

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Jan 31, 2018
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blockchain: Remove unused dump function. #1001

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37 changes: 0 additions & 37 deletions blockchain/chainio.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1726,43 +1726,6 @@ func (b *BlockChain) HeightRange(startHeight, endHeight int64) ([]chainhash.Hash
return hashList, err
}

// DumpBlockChain dumps the blockchain to a map of height --> serialized bytes.
// Mainly used for generating tests.
func DumpBlockChain(db database.DB, height int64) (map[int64][]byte, error) {
blockchain := make(map[int64][]byte)
var hash chainhash.Hash
err := db.View(func(dbTx database.Tx) error {
for i := int64(0); i <= height; i++ {
// Fetch blocks and put them in the map
var serializedHeight [4]byte
dbnamespace.ByteOrder.PutUint32(serializedHeight[:], uint32(height))

meta := dbTx.Metadata()
heightIndex := meta.Bucket(dbnamespace.HeightIndexBucketName)
hashBytes := heightIndex.Get(serializedHeight[:])
if hashBytes == nil {
return fmt.Errorf("no block at height %d exists", height)
}
copy(hash[:], hashBytes)

blockBLocal, err := dbTx.FetchBlock(&hash)
if err != nil {
return err
}
blockB := make([]byte, len(blockBLocal))
copy(blockB, blockBLocal)
blockchain[i] = blockB
}

return nil
})
if err != nil {
return nil, err
}

return blockchain, err
}

// -----------------------------------------------------------------------------
// The threshold state consists of individual threshold cache buckets for each
// cache id under one main threshold state bucket. Each threshold cache bucket
Expand Down