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[release/1.3.4] parmas, crypto, core, core/vm: homestead consensus protocol changes

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* change gas cost for contract creating txs
* invalidate signature with s value greater than secp256k1 N / 2
* OOG contract creation if not enough gas to store code
* new difficulty adjustment algorithm
* new DELEGATECALL op code

Conflicts:
	core/vm/environment.go
	crypto/crypto.go
	crypto/secp256k1/secp256.go
	eth/api.go
This commit is contained in:
Gustav Simonsson
2015-11-27 15:40:29 +01:00
committed by Jeffrey Wilcke
parent 300f1e2abf
commit 61404979ed
54 changed files with 25877 additions and 11223 deletions
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5
core/vm/environment.go
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@ -70,6 +70,8 @@ type Environment interface {
Call(me ContractRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error)
// Take another's contract code and execute within our own context
CallCode(me ContractRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error)
// Same as CallCode except sender and value is propagated from parent to child scope
DelegateCall(me ContractRef, addr common.Address, data []byte, gas, price *big.Int) ([]byte, error)
// Create a new contract
Create(me ContractRef, data []byte, gas, price, value *big.Int) ([]byte, common.Address, error)
}
@ -119,6 +121,9 @@ type Account interface {
SetNonce(uint64)
Balance() *big.Int
Address() common.Address
SetAddress(common.Address)
ReturnGas(*big.Int, *big.Int)
SetCode([]byte)
EachStorage(cb func(key, value []byte))
Value() *big.Int
}