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authorluigi1111 <luigi1111w@gmail.com>2019-10-22 10:08:32 -0500
committerluigi1111 <luigi1111w@gmail.com>2019-10-22 10:08:32 -0500
commit84ce43a23956ac6b5e07dc4c7cd5777d3992046f (patch)
treeb78f4bf073c82576e2ee21d9d33ae900ef14cc6c /src
parentMerge pull request #5964 (diff)
parentSupport median block size > 4 GB (diff)
downloadmonero-84ce43a23956ac6b5e07dc4c7cd5777d3992046f.tar.xz
Merge pull request #5966
be82c40 Support median block size > 4 GB (moneromooo-monero)
Diffstat (limited to 'src')
-rw-r--r--src/cryptonote_basic/cryptonote_basic_impl.cpp7
-rw-r--r--src/cryptonote_core/blockchain.cpp11
2 files changed, 5 insertions, 13 deletions
diff --git a/src/cryptonote_basic/cryptonote_basic_impl.cpp b/src/cryptonote_basic/cryptonote_basic_impl.cpp
index d8de65b81..9bafcfc86 100644
--- a/src/cryptonote_basic/cryptonote_basic_impl.cpp
+++ b/src/cryptonote_basic/cryptonote_basic_impl.cpp
@@ -110,9 +110,6 @@ namespace cryptonote {
return false;
}
- assert(median_weight < std::numeric_limits<uint32_t>::max());
- assert(current_block_weight < std::numeric_limits<uint32_t>::max());
-
uint64_t product_hi;
// BUGFIX: 32-bit saturation bug (e.g. ARM7), the result was being
// treated as 32-bit by default.
@@ -122,8 +119,8 @@ namespace cryptonote {
uint64_t reward_hi;
uint64_t reward_lo;
- div128_32(product_hi, product_lo, static_cast<uint32_t>(median_weight), &reward_hi, &reward_lo);
- div128_32(reward_hi, reward_lo, static_cast<uint32_t>(median_weight), &reward_hi, &reward_lo);
+ div128_64(product_hi, product_lo, median_weight, &reward_hi, &reward_lo, NULL, NULL);
+ div128_64(reward_hi, reward_lo, median_weight, &reward_hi, &reward_lo, NULL, NULL);
assert(0 == reward_hi);
assert(reward_lo < base_reward);
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index b4942d03a..2f3dda09c 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -3347,8 +3347,8 @@ uint64_t Blockchain::get_dynamic_base_fee(uint64_t block_reward, size_t median_b
if (version >= HF_VERSION_PER_BYTE_FEE)
{
lo = mul128(block_reward, DYNAMIC_FEE_REFERENCE_TRANSACTION_WEIGHT, &hi);
- div128_32(hi, lo, min_block_weight, &hi, &lo);
- div128_32(hi, lo, median_block_weight, &hi, &lo);
+ div128_64(hi, lo, min_block_weight, &hi, &lo, NULL, NULL);
+ div128_64(hi, lo, median_block_weight, &hi, &lo, NULL, NULL);
assert(hi == 0);
lo /= 5;
return lo;
@@ -3358,12 +3358,7 @@ uint64_t Blockchain::get_dynamic_base_fee(uint64_t block_reward, size_t median_b
uint64_t unscaled_fee_base = (fee_base * min_block_weight / median_block_weight);
lo = mul128(unscaled_fee_base, block_reward, &hi);
- static_assert(DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD % 1000000 == 0, "DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD must be divisible by 1000000");
- static_assert(DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD / 1000000 <= std::numeric_limits<uint32_t>::max(), "DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD is too large");
-
- // divide in two steps, since the divisor must be 32 bits, but DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD isn't
- div128_32(hi, lo, DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD / 1000000, &hi, &lo);
- div128_32(hi, lo, 1000000, &hi, &lo);
+ div128_64(hi, lo, DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD, &hi, &lo, NULL, NULL);
assert(hi == 0);
// quantize fee up to 8 decimals