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core, core/state, trie: EIP158, reprice & skip empty account write

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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>
This commit is contained in:
Jeffrey Wilcke
2016-10-20 13:36:29 +02:00
parent 932d973e36
commit 445feaeef5
74 changed files with 729 additions and 573 deletions
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6
core/dao_test.go
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@ -33,17 +33,17 @@ func TestDAOForkRangeExtradata(t *testing.T) {
// Generate a common prefix for both pro-forkers and non-forkers
db, _ := ethdb.NewMemDatabase()
genesis := WriteGenesisBlockForTesting(db)
prefix, _ := GenerateChain(nil, genesis, db, int(forkBlock.Int64()-1), func(i int, gen *BlockGen) {})
prefix, _ := GenerateChain(params.TestChainConfig, genesis, db, int(forkBlock.Int64()-1), func(i int, gen *BlockGen) {})
// Create the concurrent, conflicting two nodes
proDb, _ := ethdb.NewMemDatabase()
WriteGenesisBlockForTesting(proDb)
proConf := &ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: true}
proConf := &params.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: true}
proBc, _ := NewBlockChain(proDb, proConf, new(FakePow), new(event.TypeMux))
conDb, _ := ethdb.NewMemDatabase()
WriteGenesisBlockForTesting(conDb)
conConf := &ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: false}
conConf := &params.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: false}
conBc, _ := NewBlockChain(conDb, conConf, new(FakePow), new(event.TypeMux))
if _, err := proBc.InsertChain(prefix); err != nil {