mratsim
/ 2020-08-06 Eth2 Call 45.txt
Created
August 6, 2020 15:14
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| https://github.com/ethereum/eth2.0-pm/issues/171 | |
| Nimbus: | |
| Medalla issues: | |
| 1. The increased number of attestations in Medalla revealed limits in our stack between libp2p and the beacon node. In particular we are doing the same work multiple times especially in periods of non-finality. This is fixed | |
| 2. Attestation processing bug: we wanted to optimize database loading by delaying | |
| the deserialisation of public keys/signatures. 2 approaches were explored |
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| Agenda: https://github.com/ethereum/eth2.0-pm/issues/169 | |
| Nimbus | |
| Audit: | |
| - Consensys Diligence | |
| - Trail of Bits | |
| - NCC | |
| 3 phases, 2 weeks audit, 2 or 3 weeks fixes. |
mratsim
/ 2020-07-09 Eth2 Call 43.txt
Created
July 9, 2020 15:26
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| Nimbus: | |
| Validator’s book: https://status-im.github.io/nim-beacon-chain/ | |
| Auditor’s book: https://status-im.github.io/nim-beacon-chain/auditors-book/ | |
| https://github.com/ethereum/eth2.0-pm/issues/165 | |
| Altona bugs: | |
| - networking |
mratsim
/ 2020-06-17_11-51.png
Last active
June 17, 2020 09:53
mratsim
/ recoding.nim
Created
June 5, 2020 22:16
Packed recoding for endomorphism accelerated ECC Scalar Multiplication
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| import typetraits, strutils | |
| const | |
| BitSize = 2 | |
| Shift = 2 # log2(4) - we can store 4 digit per byte | |
| ByteMask = 3 # we need (mod 4) to access a packed bytearray | |
| DigitMask = 0b11 # Digits take 2-bit | |
| type | |
| Recoded[NumDigits: static int] = distinct array[(NumDigits + 3) div 4 + 1, byte] |
mratsim
/ alt bn128 Sage Code
Created
June 3, 2020 21:43
— forked from UnitylChaos/alt bn128 Sage Code
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| F1 = GF(21888242871839275222246405745257275088696311157297823662689037894645226208583) | |
| G1 = EllipticCurve(F1,[0,3]) | |
| print(G1) | |
| P1 = G1(1,2) | |
| F2 = GF(21888242871839275222246405745257275088696311157297823662689037894645226208583^2,"i",modulus=x^2 + 1) | |
| TwistB = 3*F2("9+i")^(-1) | |
| G2 = EllipticCurve(F2,[0,TwistB]) |
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| https://github.com/ethereum/eth2.0-pm/issues/154 | |
| Nimbus | |
| - Networking | |
| - Investigating interop issues with lighthouse | |
| - Protobuf parsing | |
| - attestations received before blocks causing gossip issues | |
| - Pushed this morning: multinets script that work with a 50/50 lighthouse/nimbus validator split | |
| - Snappy fixes |
mratsim
/ 2020-05-22_18-33.png
Last active
May 22, 2020 16:35
mratsim
/ synthesis_mpsc.nim
Last active
May 17, 2020 22:49
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| import | |
| std/atomics, std/macros, | |
| synthesis, | |
| ../config, | |
| ../primitives/compiler_optimization_hints, # for prefetch | |
| ../instrumentation/[contracts, loggers] | |
| # type dereference macro | |
| # ------------------------------------------------ | |
| # This macro dereference pointer types |
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| https://github.com/ethereum/eth2.0-pm/issues/149 | |
| -------------------- | |
| Nimbus: | |
| - Multiple Sync fixes | |
| - Snappy (add compute issue with Lighthouse’s) | |
| - can now sync to Schlesi: slowly but steadily | |
| - working on performance | |
| - in particular Windows | |