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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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7
core/vm/runtime/runtime.go
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@ -22,7 +22,6 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/params"
@ -39,7 +38,7 @@ func (ruleSet) GasTable(*big.Int) params.GasTable {
// Config is a basic type specifying certain configuration flags for running
// the EVM.
type Config struct {
RuleSet vm.RuleSet
ChainConfig *params.ChainConfig
Difficulty *big.Int
Origin common.Address
Coinbase common.Address
@ -57,8 +56,8 @@ type Config struct {
// sets defaults on the config
func setDefaults(cfg *Config) {
if cfg.RuleSet == nil {
cfg.RuleSet = ruleSet{}
if cfg.ChainConfig == nil {
cfg.ChainConfig = &params.ChainConfig{new(big.Int), new(big.Int), false, new(big.Int), common.Hash{}, new(big.Int)}
}
if cfg.Difficulty == nil {