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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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3
eth/backend_test.go
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@ -25,6 +25,7 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/params"
)
func TestMipmapUpgrade(t *testing.T) {
@ -32,7 +33,7 @@ func TestMipmapUpgrade(t *testing.T) {
addr := common.BytesToAddress([]byte("jeff"))
genesis := core.WriteGenesisBlockForTesting(db)
chain, receipts := core.GenerateChain(nil, genesis, db, 10, func(i int, gen *core.BlockGen) {
chain, receipts := core.GenerateChain(params.TestChainConfig, genesis, db, 10, func(i int, gen *core.BlockGen) {
var receipts types.Receipts
switch i {
case 1: