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Reuse RandomX hashing context during mining

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This commit is contained in:
Capri 2026-09-16 21:53:20 +00:00
commit fbac0a9d47
Signed by: VextaProject
SSH key fingerprint: SHA256:739BZv8LvIDY2tR7lXLy/IQ6MaGTQtYcG9GNvCjmpVM
5 changed files with 126 additions and 22 deletions
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15
src/rpc/mining.cpp
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@ -11,6 +11,7 @@
#include <consensus/params.h>
#include <consensus/validation.h>
#include <core_io.h>
#include <crypto/randomx_hash.h>
#include <deploymentinfo.h>
#include <deploymentstatus.h>
#include <key_io.h>
@ -200,6 +201,8 @@ static bool GenerateBlock(ChainstateManager& chainman, CBlock& block, uint64_t&
const int algo = block.GetAlgo();
uint256 randomx_seed;
std::unique_ptr<VextaRandomXHasher> randomx_hasher;
if (algo == ALGO_RANDOMX) {
if (pindexPrev == nullptr ||
!GetRandomXSeed(
@ -211,6 +214,16 @@ static bool GenerateBlock(ChainstateManager& chainman, CBlock& block, uint64_t&
RPC_INTERNAL_ERROR,
"Failed to resolve RandomX seed");
}
randomx_hasher = std::make_unique<VextaRandomXHasher>(
randomx_seed.data(),
randomx_seed.size());
if (!randomx_hasher->IsValid()) {
throw JSONRPCError(
RPC_INTERNAL_ERROR,
"Failed to initialize RandomX hasher");
}
} else if (algo != ALGO_SHA256D) {
throw JSONRPCError(
RPC_INVALID_PARAMETER,
@ -225,7 +238,7 @@ static bool GenerateBlock(ChainstateManager& chainman, CBlock& block, uint64_t&
if (algo == ALGO_SHA256D) {
pow_hash = block.GetHash();
} else {
if (!block.GetRandomXPoWHash(randomx_seed, pow_hash)) {
if (!block.GetRandomXPoWHash(*randomx_hasher, pow_hash)) {
throw JSONRPCError(
RPC_INTERNAL_ERROR,
"Failed to calculate RandomX proof of work hash");