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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
This commit is contained in:
Gustav Simonsson
2015-11-27 15:40:29 +01:00
committed by Jeffrey Wilcke
parent aa36a6ae4f
commit 371871d685
55 changed files with 25878 additions and 11229 deletions
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5
params/protocol_params.go
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@ -25,9 +25,10 @@ var (
MaximumExtraDataSize = big.NewInt(32) // Maximum size extra data may be after Genesis.
ExpByteGas = big.NewInt(10) // Times ceil(log256(exponent)) for the EXP instruction.
SloadGas = big.NewInt(50) // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added.
CallValueTransferGas = big.NewInt(9000) // Paid for CALL when the value transfor is non-zero.
CallValueTransferGas = big.NewInt(9000) // Paid for CALL when the value transfer is non-zero.
CallNewAccountGas = big.NewInt(25000) // Paid for CALL when the destination address didn't exist prior.
TxGas = big.NewInt(21000) // Per transaction. NOTE: Not payable on data of calls between transactions.
TxGas = big.NewInt(21000) // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions.
TxGasContractCreation = big.NewInt(53000) // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions.
TxDataZeroGas = big.NewInt(4) // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions.
DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations.
QuadCoeffDiv = big.NewInt(512) // Divisor for the quadratic particle of the memory cost equation.