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35 lines
1.3 KiB
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35 lines
1.3 KiB
Markdown
# next — fed-sx Milestone 1 kernel
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Single-instance, single-actor fed-sx server built as Erlang-on-SX modules.
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See `plans/fed-sx-design.md` for the architecture and
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`plans/fed-sx-milestone-1.md` for the build plan.
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## Layout
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```
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next/
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├── kernel/ Erlang-on-SX kernel modules (.erl, hot-loaded via code:load_binary/3)
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├── genesis/ SX source files for the genesis bootstrap bundle (DefineActivity, ...)
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├── tests/ Bash test scripts driving sx_server.exe via the epoch protocol
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└── data/ Runtime state — gitignored
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├── log/ per-actor JSONL outboxes
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├── objects/ CID-addressed artifacts on disk
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├── snapshots/ projection snapshots
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├── indexes/ derived projection index files
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└── keys/ actor signing keys + bearer tokens
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```
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## Substrate
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The kernel is Erlang-on-SX. Each `.erl` source file is hot-loaded at boot via
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`code:load_binary(Mod, Filename, SourceString)` (Erlang Phase 7 BIF). The
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underlying SX runtime provides the host primitives the kernel calls into:
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`crypto:*`, `cid:*`, `file:*`, `code:*`, and (Step 8) `http:listen/2`.
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Tests drive the kernel via the epoch protocol:
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```bash
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printf '(epoch 1)\n(load "lib/erlang/runtime.sx")\n(epoch 2)\n<test-expr>\n' \
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| hosts/ocaml/_build/default/bin/sx_server.exe
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```
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