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dgb: §4c skeleton AuxPoW-comment tightening + aux seam signature (Slice #3, SAFE-ADDITIVE, fenced) #109

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Merged
frstrtr merged 2 commits into from
Jun 16, 2026
Merged

dgb: §4c skeleton AuxPoW-comment tightening + aux seam signature (Slice #3, SAFE-ADDITIVE, fenced) #109

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dgb: tighten coin/node skeleton AuxPoW comment to V36 reality + aux s…
frstrtr Jun 16, 2026
86fa3b9
dgb: §4c aux seam header-only type alias (slice #3, option b)
frstrtr Jun 16, 2026
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38 changes: 38 additions & 0 deletions src/impl/dgb/coin/node.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -13,19 +13,50 @@
// The ctor keeps btc's (context, config) shape via auto params (no boost
// include needed in the stub) so M3 restores the body without re-typing
// construction sites.
//
// AuxPoW / merged-mining seam (V36 reality): DGB-Scrypt is a STANDALONE parent in
// the default build and validates Scrypt blocks ONLY -- there is no AuxPoW path in
// the default c2pool-dgb. Merged-mining is the DOGE-only stretch, compiled solely
// under -DAUX_DOGE=ON, where the shared src/impl/doge/coin/aux_* module (owned by
// ltc-doge; dgb CONSUMES, never modifies) supplies the AuxPoW header / raw-block
// parsers that the M3 NodeP2P will bind. The other four DGB algos (SHA256d, Skein,
// Qubit, Odocrypt) are accept-by-continuity / ignored in V36 -- never validated
// here. p2pool-merged-v36 parity preserved. Signature only below; body lands with
// NodeP2P at M3.
// ---------------------------------------------------------------------------

#include <memory>

#include "node_interface.hpp"
#include "rpc.hpp"

#ifdef AUX_DOGE
// DOGE merged-mining aux module (STRETCH; -DAUX_DOGE=ON only). dgb CONSUMES the
// shared aux types; ltc-doge owns and is the sole modifier of src/impl/doge/coin/aux_*.
// Forward declaration only at slice #3 -- the real
// <impl/doge/coin/aux_chain_embedded.hpp> include lands with the
// bind_aux_doge_parsers() body at M3.
namespace doge { namespace coin { class AuxChainEmbedded; } }
#endif

namespace dgb
{

namespace coin
{

#ifdef AUX_DOGE
// ---------------------------------------------------------------------------
// DOGE merged-mining aux seam -- header-only type alias (slice #3, option b per
// integrator UID-904). Names the shared src/impl/doge aux-module backend that
// bind_aux_doge_parsers() wires onto the (M3) coin P2P layer. No new TU; no
// effect on the default Scrypt-only standalone build (which never defines
// AUX_DOGE). The structured parsers consumed at M3 bind time are the free
// functions doge::coin::parse_doge_header / parse_doge_headers_message /
// parse_doge_block (auxpow_header.hpp). Parity: p2pool-merged-v36.
using AuxChainBackend = ::doge::coin::AuxChainEmbedded; // IAuxChainBackend impl
#endif

template <typename ConfigType>
class Node : public dgb::interfaces::Node
{
Expand All @@ -48,6 +79,13 @@ class Node : public dgb::interfaces::Node
}

NodeRPC* rpc() { return m_rpc.get(); }

#ifdef AUX_DOGE
// DOGE merged-mining aux seam (STRETCH; -DAUX_DOGE=ON only). Binds the shared
// src/impl/doge aux module's parsers onto the (M3) coin P2P layer. Declaration
// only -- no body until NodeP2P is ported. Parity: p2pool-merged-v36.
void bind_aux_doge_parsers();
#endif
};

} // namespace coin
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