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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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12
core/block_validator_test.go
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@@ -27,11 +27,13 @@ import (
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/pow/ezp"
)
func testChainConfig() *ChainConfig {
return &ChainConfig{HomesteadBlock: big.NewInt(0)}
func testChainConfig() *params.ChainConfig {
return params.TestChainConfig
//return &params.ChainConfig{HomesteadBlock: big.NewInt(0)}
}
func proc() (Validator, *BlockChain) {
@@ -51,15 +53,15 @@ func TestNumber(t *testing.T) {
_, chain := proc()
statedb, _ := state.New(chain.Genesis().Root(), chain.chainDb)
header := makeHeader(chain.Genesis(), statedb)
header.Number = big.NewInt(3)
cfg := testChainConfig()
header := makeHeader(cfg, chain.Genesis(), statedb)
header.Number = big.NewInt(3)
err := ValidateHeader(cfg, pow, header, chain.Genesis().Header(), false, false)
if err != BlockNumberErr {
t.Errorf("expected block number error, got %q", err)
}
header = makeHeader(chain.Genesis(), statedb)
header = makeHeader(cfg, chain.Genesis(), statedb)
err = ValidateHeader(cfg, pow, header, chain.Genesis().Header(), false, false)
if err == BlockNumberErr {
t.Errorf("didn't expect block number error")