[META] Byzantium implementation progress

[chfast]

States: not started, in progress, implementation done, tests ready

Create blockhash precompiled

• EIP96 implementation done EIP96 - blockhash refactoring #4066

---

Remove medstate from receipts

• EIP98 implementation done EIP98 - Remove state root hash from transaction receipt #4035
  • does no affect consensus tests

---

Change difficulty adjustment to target mean block time including uncles

• EIP100 implementation done EIP100 - Difficulty adjustment including uncles  #4017
  • tests: https://docs.google.com/spreadsheets/d/1xat7UI8GtB4ZGVdlK5_XQSHJZaMThi4SrlcL8XMZb5Q/edit#gid=1197466216

---

Draft EIP for the REVERT

• EIP140 implementation done
  • tests: https://docs.google.com/spreadsheets/d/1xat7UI8GtB4ZGVdlK5_XQSHJZaMThi4SrlcL8XMZb5Q/edit#gid=83032010

---

Precompiled contract for pairing/elliptic curve operations

• EIP196 implementation done Integrate libsnark #3587
  • tests: https://docs.google.com/spreadsheets/d/1xat7UI8GtB4ZGVdlK5_XQSHJZaMThi4SrlcL8XMZb5Q/edit#gid=941134795
• EIP197 implementation done Integrate libsnark #3587
  • tests: https://docs.google.com/spreadsheets/d/1xat7UI8GtB4ZGVdlK5_XQSHJZaMThi4SrlcL8XMZb5Q/edit#gid=941134795

---

Create bigint_modexp

• EIP198 implementation done EIP198 - Bigint modexp precompiled contract #4028 New modexp cost #4278
  • tests: https://docs.google.com/spreadsheets/d/1xat7UI8GtB4ZGVdlK5_XQSHJZaMThi4SrlcL8XMZb5Q/edit#gid=1139401929

---

RETURNDATACOPY and RETURNDATASIZE

• EIP211 implementation done EIP 5/8 Add RETURNDATACOPY and RETURNDATASIZE instructions #3611 (waiting for decision about out-of-range reads)
  • tests: https://docs.google.com/spreadsheets/d/1xat7UI8GtB4ZGVdlK5_XQSHJZaMThi4SrlcL8XMZb5Q/edit#gid=1605675414

---

New opcode: STATICCALL

• EIP214 implementation done EIP214: STATICCALL #4057
  • tests: https://docs.google.com/spreadsheets/d/1xat7UI8GtB4ZGVdlK5_XQSHJZaMThi4SrlcL8XMZb5Q/edit#gid=1412823514

[pirapira]

Status Code in Transaction Receipt

• EIP 658 implementation done EIP658: Status code in receipt #4275

[pirapira]

Splitting Metropolis

• Splitting Metropolis into two, deferring account abstraction Split Metropolis into two #4268

[pirapira]

Moving EIP-96 from Byzantium to Constantinople

• moving EIP 96 into Constantinople (@pirapira is working on it) Move EIP96 to Constantinople #4347

[pirapira]

Diffuculty Bomb Delay

• implementing EIP649 (@pirapira is on this too)

[chfast]

Should we also split this issue into two new meta issues?

[pirapira]

That's a good idea in principle. All tick boxes in this issue somehow modify the Byzantium behavior, so this issue can be reused as the Byzantium meta issue.

[chfast]

Yes, good. You can edit the description here.