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Geth-Modification
Commit f6097f4a authored by Jeffrey Wilcke's avatar Jeffrey Wilcke
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Merge pull request #1522 from obscuren/genesis-block-check 

core: check genesis block before writeout
parents d4428cc7 0c718afe
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core/genesis.go
View file @ f6097f4a
...@@ -82,6 +82,10 @@ func WriteGenesisBlock(stateDb, blockDb common.Database, reader io.Reader) (*typ ...@@ -82,6 +82,10 @@ func WriteGenesisBlock(stateDb, blockDb common.Database, reader io.Reader) (*typ
}, nil, nil, nil) }, nil, nil, nil)
block.Td = difficulty block.Td = difficulty
if block := GetBlockByHash(blockDb, block.Hash()); block != nil {
return nil, fmt.Errorf("Block %x already in database", block.Hash())
}
statedb.Sync() statedb.Sync()
err = WriteBlock(blockDb, block) err = WriteBlock(blockDb, block)
......
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