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* core/types, params: EIP#155Jeffrey Wilcke2016-11-131-4/+32
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* core, core/state, trie: EIP158, reprice & skip empty account writeJeffrey Wilcke2016-11-131-0/+84
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>