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* core: refactor genesis handlingFelix Lange2017-03-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | This commit solves several issues concerning the genesis block: * Genesis/ChainConfig loading was handled by cmd/geth code. This left library users in the cold. They could specify a JSON-encoded string and overwrite the config, but didn't get any of the additional checks performed by geth. * Decoding and writing of genesis JSON was conflated in WriteGenesisBlock. This made it a lot harder to embed the genesis block into the forthcoming config file loader. This commit changes things so there is a single Genesis type that represents genesis blocks. All uses of Write*Genesis* are changed to use the new type instead. * If the chain config supplied by the user was incompatible with the current chain (i.e. the chain had already advanced beyond a scheduled fork), it got overwritten. This is not an issue in practice because previous forks have always had the highest total difficulty. It might matter in the future though. The new code reverts the local chain to the point of the fork when upgrading configuration. The change to genesis block data removes compression library dependencies from package core.
* all: gofmt -w -sFelix Lange2017-01-061-2/+2
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* core/vm: move Log to core/typesFelix Lange2017-01-061-3/+2
| | | | | | | | This significantly reduces the dependency closure of ethclient, which no longer depends on core/vm as of this change. All uses of vm.Logs are replaced by []*types.Log. NewLog is gone too, the constructor simply returned a literal.
* core, core/state, trie: EIP158, reprice & skip empty account writeJeffrey Wilcke2016-11-131-1/+2
| | | | | | | | | | | | | | | This commit implements EIP158 part 1, 2, 3 & 4 1. If an account is empty it's no longer written to the trie. An empty account is defined as (balance=0, nonce=0, storage=0, code=0). 2. Delete an empty account if it's touched 3. An empty account is redefined as either non-existent or empty. 4. Zero value calls and zero value suicides no longer consume the 25k reation costs. params: moved core/config to params Signed-off-by: Jeffrey Wilcke <jeffrey@ethereum.org>
* accounts, core, eth: pass chain config for chain maker to test DAOPéter Szilágyi2016-07-151-1/+1
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* core: improved chainDb using sequential keyszsfelfoldi2016-06-071-1/+1
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* all: update license informationFelix Lange2016-04-151-0/+16
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* core, eth, miner, xeth: clean up tx/receipt db accessorsPéter Szilágyi2015-11-191-2/+2
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* core, eth, trie: fix data races and merge/review issuesPéter Szilágyi2015-10-211-5/+5
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* core, eth/filters, miner, xeth: Optimised log filteringJeffrey Wilcke2015-10-171-0/+67
Log filtering is now using a MIPmap like approach where addresses of logs are added to a mapped bloom bin. The current levels for the MIP are in ranges of 1.000.000, 500.000, 100.000, 50.000, 1.000. Logs are therefor filtered in batches of 1.000.