dgb: embedded Mempool->shaper->template e2e assembly conformance KAT (Phase B FEED) - #278
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…(Phase B FEED)
The shaper (make_mempool_tx_source) and build_work_template are each
pinned in isolation; nothing pinned that the two seams COMPOSE faithfully.
Add an end-to-end KAT over the production embedded chain: Mempool ->
make_mempool_tx_source() fee-sorted selection -> WorkTemplateInputs ->
build_work_template(), asserting (a) tmpl[transactions] equals the
shaper output byte-for-byte and in feerate-descending order (no
reorder/drop/reshape across the seam), (b) every entry keeps the full
p2pool-dgb-scrypt GBT {data,txid,hash,fee} shape, and (c) the same
selections total_fees folds into tmpl[coinbasevalue] verbatim via the
embedded_coinbase_value SSOT (no double count). Test-only, single-coin,
no src/impl/dgb consensus delta; target already in both build.yml
allowlists.
frstrtr
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Jun 23, 2026
…(Phase B FEED) (#278) The shaper (make_mempool_tx_source) and build_work_template are each pinned in isolation; nothing pinned that the two seams COMPOSE faithfully. Add an end-to-end KAT over the production embedded chain: Mempool -> make_mempool_tx_source() fee-sorted selection -> WorkTemplateInputs -> build_work_template(), asserting (a) tmpl[transactions] equals the shaper output byte-for-byte and in feerate-descending order (no reorder/drop/reshape across the seam), (b) every entry keeps the full p2pool-dgb-scrypt GBT {data,txid,hash,fee} shape, and (c) the same selections total_fees folds into tmpl[coinbasevalue] verbatim via the embedded_coinbase_value SSOT (no double count). Test-only, single-coin, no src/impl/dgb consensus delta; target already in both build.yml allowlists. Co-authored-by: frstrtr <frstrtr@users.noreply.github.com>
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Phase B FEED conformance. The embedded tx shaper (make_mempool_tx_source) and build_work_template SSOT are each pinned in isolation (dgb_embedded_tx_select_test #277, dgb_template_builder_test). This pins the SEAM BETWEEN them — the full production chain EmbeddedCoinNode wires.
End-to-end KAT (DgbEmbeddedTxSelect.EndToEndTemplateAssemblyConformance): Mempool -> make_mempool_tx_source() fee-sorted selection -> WorkTemplateInputs.transactions + embedded_coinbase_value fold -> build_work_template(), asserting:
Fence: test-only, single-coin, ZERO src/impl/dgb consensus delta. Target dgb_embedded_tx_select_test already in BOTH build.yml --target allowlists (#143 trap avoided). Local: 6/6 green, GPG Good (b63bac2).