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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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5
core/database_util_test.go
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@ -30,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
@ -75,7 +76,7 @@ func TestCalcDifficulty(t *testing.T) {
t.Fatal(err)
}
config := &ChainConfig{HomesteadBlock: big.NewInt(1150000)}
config := &params.ChainConfig{HomesteadBlock: big.NewInt(1150000)}
for name, test := range tests {
number := new(big.Int).Sub(test.CurrentBlocknumber, big.NewInt(1))
diff := CalcDifficulty(config, test.CurrentTimestamp, test.ParentTimestamp, number, test.ParentDifficulty)
@ -562,7 +563,7 @@ func TestMipmapChain(t *testing.T) {
defer db.Close()
genesis := WriteGenesisBlockForTesting(db, GenesisAccount{addr, big.NewInt(1000000)})
chain, receipts := GenerateChain(nil, genesis, db, 1010, func(i int, gen *BlockGen) {
chain, receipts := GenerateChain(params.TestChainConfig, genesis, db, 1010, func(i int, gen *BlockGen) {
var receipts types.Receipts
switch i {
case 1: