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| author | Nick Johnson <arachnid@notdot.net> | 2016-12-12 23:08:23 +0800 |
|---|---|---|
| committer | Nick Johnson <arachnid@notdot.net> | 2016-12-14 16:59:55 +0800 |
| commit | 9ba9fe818d252ee9770371f0ccad68e3d09fbf5c (patch) | |
| tree | 8f58f1782ab274350257a5a5846867df66fba981 /eth | |
| parent | ee445a2ba4013f8b32e4e5386322babf022e5b81 (diff) | |
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cmd/utils, eth: Add gzip support for chain dump and restore
Diffstat (limited to 'eth')
| -rw-r--r-- | eth/api.go | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/eth/api.go b/eth/api.go index a86ed95cf..0a1d097e3 100644 --- a/eth/api.go +++ b/eth/api.go @@ -18,6 +18,7 @@ package eth import ( "bytes" + "compress/gzip" "errors" "fmt" "io" @@ -25,6 +26,7 @@ import ( "math/big" "os" "runtime" + "strings" "time" "github.com/ethereum/ethash" @@ -217,8 +219,14 @@ func (api *PrivateAdminAPI) ExportChain(file string) (bool, error) { } defer out.Close() + var writer io.Writer = out + if strings.HasSuffix(file, ".gz") { + writer = gzip.NewWriter(writer) + defer writer.(*gzip.Writer).Close() + } + // Export the blockchain - if err := api.eth.BlockChain().Export(out); err != nil { + if err := api.eth.BlockChain().Export(writer); err != nil { return false, err } return true, nil @@ -243,8 +251,15 @@ func (api *PrivateAdminAPI) ImportChain(file string) (bool, error) { } defer in.Close() + var reader io.Reader = in + if strings.HasSuffix(file, ".gz") { + if reader, err = gzip.NewReader(reader); err != nil { + return false, err + } + } + // Run actual the import in pre-configured batches - stream := rlp.NewStream(in, 0) + stream := rlp.NewStream(reader, 0) blocks, index := make([]*types.Block, 0, 2500), 0 for batch := 0; ; batch++ { |