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Expose PoW metadata in block headers

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This commit is contained in:
Capri 2026-09-16 17:45:57 +00:00
commit eccc4b758d
Signed by: VextaProject
SSH key fingerprint: SHA256:739BZv8LvIDY2tR7lXLy/IQ6MaGTQtYcG9GNvCjmpVM
2 changed files with 34 additions and 21 deletions
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49
src/rpc/blockchain.cpp
View file

@ -203,28 +203,10 @@ UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex
result.pushKV("chainwork", blockindex->nChainWork.GetHex());
result.pushKV("nTx", (uint64_t)blockindex->nTx);
if (blockindex->pprev)
result.pushKV("previousblockhash", blockindex->pprev->GetBlockHash().GetHex());
if (pnext)
result.pushKV("nextblockhash", pnext->GetBlockHash().GetHex());
return result;
}
UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIndex* blockindex, bool txDetails)
{
UniValue result = blockheaderToJSON(tip, blockindex);
result.pushKV("strippedsize", (int)::GetSerializeSize(block, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS));
result.pushKV("size", (int)::GetSerializeSize(block, PROTOCOL_VERSION));
result.pushKV("weight", (int)::GetBlockWeight(block));
UniValue txs(UniValue::VARR);
result.pushKV("height", blockindex->nHeight);
result.pushKV("version", block.nVersion);
result.pushKV("versionHex", strprintf("%08x", block.nVersion));
const Consensus::Params& consensusParams = Params().GetConsensus();
const CBlockHeader block = blockindex->GetBlockHeader();
const int algo =
block.GetHash() == consensusParams.hashGenesisBlock
blockindex->GetBlockHash() == consensusParams.hashGenesisBlock
? ALGO_SHA256D
: block.GetAlgo();
@ -232,7 +214,7 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIn
if (algo == ALGO_SHA256D) {
result.pushKV("pow_algo", "sha256d");
result.pushKV("pow_hash", block.GetHash().GetHex());
result.pushKV("pow_hash", blockindex->GetBlockHash().GetHex());
} else if (algo == ALGO_RANDOMX) {
result.pushKV("pow_algo", "randomx");
@ -255,6 +237,25 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIn
result.pushKV("pow_hash", UniValue());
}
if (blockindex->pprev)
result.pushKV("previousblockhash", blockindex->pprev->GetBlockHash().GetHex());
if (pnext)
result.pushKV("nextblockhash", pnext->GetBlockHash().GetHex());
return result;
}
UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIndex* blockindex, bool txDetails)
{
UniValue result = blockheaderToJSON(tip, blockindex);
result.pushKV("strippedsize", (int)::GetSerializeSize(block, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS));
result.pushKV("size", (int)::GetSerializeSize(block, PROTOCOL_VERSION));
result.pushKV("weight", (int)::GetBlockWeight(block));
UniValue txs(UniValue::VARR);
result.pushKV("height", blockindex->nHeight);
result.pushKV("version", block.nVersion);
result.pushKV("versionHex", strprintf("%08x", block.nVersion));
result.pushKV("merkleroot", block.hashMerkleRoot.GetHex());
if (txDetails) {
CBlockUndo blockUndo;
@ -923,6 +924,9 @@ static RPCHelpMan getblockheader()
{RPCResult::Type::NUM, "nonce", "The nonce"},
{RPCResult::Type::STR_HEX, "bits", "The bits"},
{RPCResult::Type::NUM, "difficulty", "The difficulty"},
{RPCResult::Type::NUM, "pow_algo_id", "The proof-of-work algorithm identifier"},
{RPCResult::Type::STR, "pow_algo", "The proof-of-work algorithm name"},
{RPCResult::Type::STR_HEX, "pow_hash", "The proof-of-work hash"},
{RPCResult::Type::STR_HEX, "chainwork", "Expected number of hashes required to produce the current chain"},
{RPCResult::Type::NUM, "nTx", "The number of transactions in the block"},
{RPCResult::Type::STR_HEX, "previousblockhash", /* optional */ true, "The hash of the previous block (if available)"},
@ -1032,6 +1036,9 @@ static RPCHelpMan getblock()
{RPCResult::Type::NUM, "nonce", "The nonce"},
{RPCResult::Type::STR_HEX, "bits", "The bits"},
{RPCResult::Type::NUM, "difficulty", "The difficulty"},
{RPCResult::Type::NUM, "pow_algo_id", "The proof-of-work algorithm identifier"},
{RPCResult::Type::STR, "pow_algo", "The proof-of-work algorithm name"},
{RPCResult::Type::STR_HEX, "pow_hash", "The proof-of-work hash"},
{RPCResult::Type::STR_HEX, "chainwork", "Expected number of hashes required to produce the chain up to this block (in hex)"},
{RPCResult::Type::NUM, "nTx", "The number of transactions in the block"},
{RPCResult::Type::STR_HEX, "previousblockhash", /* optional */ true, "The hash of the previous block (if available)"},

6
test/functional/mining_randomx_gbt.py
View file

@ -126,6 +126,12 @@ class RandomXGetBlockTemplateTest(DigiByteTestFramework):
assert mined_block["pow_hash"] is not None
assert mined_block["pow_hash"] != mined_block["hash"]
self.log.info("getblockheader exposes the same RandomX PoW metadata")
mined_header = node.getblockheader(randomx_blocks[0])
assert_equal(mined_header["pow_algo_id"], 1)
assert_equal(mined_header["pow_algo"], "randomx")
assert_equal(mined_header["pow_hash"], mined_block["pow_hash"])
self.log.info("RandomX mining statistics remain separated from SHA256D")
mining_info = node.getmininginfo()
assert_equal(set(mining_info["difficulties"]), {"sha256d", "randomx"})