Byzantium release

[mkalinin]

• EIP-100 Change difficulty adjustment to target mean block time including uncles | #916
• EIP-206 REVERT instruction in the Ethereum Virtual Machine | #918
• EIP-213 Precompiled contracts for addition and scalar multiplication on the elliptic curve alt_bn128 | #924
• EIP-212 Precompiled contract for pairing check | #933
• EIP-198 Precompiled contract for bigint modular exponentiation | #920
• EIP-211 New opcodes: RETURNDATASIZE and RETURNDATACOPY | #919
• EIP-214 New opcode STATICCALL | #922
• EIP-649 Metropolis Difficulty Bomb Delay and Issuance Reduction | #927
• EIP-658 Embedding transaction return data in receipts | #928
• EIP-684 Prevent overwriting contracts | #932
• Fix BlockchainTests/TransitionTests execution
• Add BlockchainTests/GeneralStateTests execution
• 100% TCK tests passing

[lyless]

hello. i want to make sure my program is ready before hard fork happen. i do not know when hard fork will be happen. may be Sept. 22nd ? is there a release version will be released for ethereumj or i will merge the each change to my program manually? if i do not update the ethereumj when hard fork happen, ethereumj will hang in some blog can not receive the new block?

[mkalinin]

@lyless The release is the first decade of October. It's gonna be a release of EthereumJ binaries before hard fork happens

[lyless]

@mkalinin thank you. that is great helpful for me.