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core: settable genesis nonce

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You can set the nonce of the block with `--genesisnonce`. When the
genesis nonce changes and it doesn't match with the first block in your
database it will fail. A new `datadir` must be given if the nonce of the
genesis block changes.
This commit is contained in:
obscuren
2015-06-08 12:12:13 +02:00
parent c6faa18ec9
commit 6244b10a8f
9 changed files with 84 additions and 28 deletions
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7
eth/backend.go
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@ -58,6 +58,7 @@ type Config struct {
Name string
ProtocolVersion int
NetworkId int
GenesisNonce int
BlockChainVersion int
SkipBcVersionCheck bool // e.g. blockchain export
@ -284,7 +285,11 @@ func New(config *Config) (*Ethereum, error) {
}
eth.pow = ethash.New()
eth.chainManager = core.NewChainManager(blockDb, stateDb, eth.pow, eth.EventMux())
genesis := core.GenesisBlock(uint64(config.GenesisNonce), blockDb)
eth.chainManager, err = core.NewChainManager(genesis, blockDb, stateDb, eth.pow, eth.EventMux())
if err != nil {
return nil, err
}
eth.downloader = downloader.New(eth.EventMux(), eth.chainManager.HasBlock, eth.chainManager.GetBlock)
eth.txPool = core.NewTxPool(eth.EventMux(), eth.chainManager.State, eth.chainManager.GasLimit)
eth.blockProcessor = core.NewBlockProcessor(stateDb, extraDb, eth.pow, eth.chainManager, eth.EventMux())