From b2ede22395ae8ce371433c9611929374dd98908a Mon Sep 17 00:00:00 2001 From: fanquake Date: Thu, 5 Oct 2023 11:36:03 +0100 Subject: [PATCH] headerssync: update params for 26.x --- contrib/devtools/headerssync-params.py | 4 ++-- src/headerssync.cpp | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/contrib/devtools/headerssync-params.py b/contrib/devtools/headerssync-params.py index f0088d6cb9..0198f5db99 100644 --- a/contrib/devtools/headerssync-params.py +++ b/contrib/devtools/headerssync-params.py @@ -12,13 +12,13 @@ import random # Parameters: # Aim for still working fine at some point in the future. [datetime] -TIME = datetime(2026, 5, 25) +TIME = datetime(2026, 10, 5) # Expected block interval. [timedelta] BLOCK_INTERVAL = timedelta(seconds=600) # The number of headers corresponding to the minchainwork parameter. [headers] -MINCHAINWORK_HEADERS = 784000 +MINCHAINWORK_HEADERS = 804000 # Combined processing bandwidth from all attackers to one victim. [bit/s] # 6 Gbit/s is approximately the speed at which a single thread of a Ryzen 5950X CPU thread can hash diff --git a/src/headerssync.cpp b/src/headerssync.cpp index 1b5d7305e8..b885590c56 100644 --- a/src/headerssync.cpp +++ b/src/headerssync.cpp @@ -13,11 +13,11 @@ // contrib/devtools/headerssync-params.py. //! Store one header commitment per HEADER_COMMITMENT_PERIOD blocks. -constexpr size_t HEADER_COMMITMENT_PERIOD{600}; +constexpr size_t HEADER_COMMITMENT_PERIOD{606}; //! Only feed headers to validation once this many headers on top have been //! received and validated against commitments. -constexpr size_t REDOWNLOAD_BUFFER_SIZE{14308}; // 14308/600 = ~23.8 commitments +constexpr size_t REDOWNLOAD_BUFFER_SIZE{14441}; // 14441/606 = ~23.8 commitments // Our memory analysis assumes 48 bytes for a CompressedHeader (so we should // re-calculate parameters if we compress further)