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fix(docs): correct stale API references in support and building guides - #1813

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fix(docs): correct stale API references in support and building guides#1813
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Toby1009:docs/correct-stale-api-references

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@Toby1009 Toby1009 commented Aug 16, 2026

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Closes #1808.

These documents described interfaces that have moved. Each snippet is a copy-and-run example, so
each one failed at the point where somebody tried to use it.

What changed

crates/support/README.md

  • The request example passed threshold and e3ProgramParams. Neither field exists. E3RequestParams
    takes committeeSize, which is an enum rather than an [M, N] pair, and paramSet. The example
    also omitted paramSet, expectedFeeToken, expectedCryptoConfigId, and maxFee.
  • The Boundless block labelled six values as defaults. All six differed from build_offer(), and the
    README's own later table already held the correct ones. Someone copying the first block offered
    twenty times the intended minimum price.
  • The journal description listed seven bound values. There are nine; the parameter hash and the input
    root were missing, and both verifier layers check them.
  • Two webhook examples and the /run_compute example sent a numeric e3_id. The field is a string.
  • The Step 5 text said the server falls back to dev mode when Boundless configuration is absent. The
    backend comes from risc0_dev_mode alone, and the README already documents that in Step 1.
  • The container build section named .github/workflows/support-docker.yml, which does not exist.
  • The directory list named guest/; the guest is at methods/guest/.
  • fixtures/payload.json predates ComputeRequest, so the Testing section now says so.

docs/pages/building-with-interfold.mdx

  • getE3Quote and request were shown with positional parameters. Both take one E3RequestParams.
  • E3Requested's third parameter was IE3Program indexed e3Program; it is bytes32 indexed cryptoConfigId.
  • CiphertextOutputPublished omitted ciphertextCommitment. InputPublished carried an inputHash
    the program event does not have.
  • The E3 struct misdescribed seed and requestBlock and omitted ciphertextCommitment.
  • maxDuration was described as an input-window limit. It bounds the worst-case request-to-decryption
    duration.
  • The responsibilities list and the KeyPublished row assigned input handling to Interfold. Input
    submission and the input tree belong to each E3 program.
  • The Merkle-tree section described a Lean tree owned by Interfold. The default template uses
    InternalLazyIMT and inserts each SAFE ciphertext commitment directly as a leaf.
  • The Failed row said refunds are initiated on entry. processE3Failure calculates them.
  • The result-publication flow mentioned only the E3 program verifier. The protocol verifier runs first
    and both must pass.
  • The JavaScript request snippet reverted as written. request pulls the fee with transferFrom, and
    it rejects a quote above maxFee.

crates/compute-provider/Readme.md

  • The dependency line combined git and path, which cargo rejects outright.
  • The snippets imported voting_core::fhe_processor and methods::VOTING_ELF; neither exists.
  • The batch_size description promised a power-of-two constraint that nothing enforces.

templates/default/interfold.config.yaml is included because its comment described the same six
Boundless fields as usable overrides, which now contradicts the README. See #1812 for the flag
mismatch underneath that.

How this was checked

Every corrected value was read from the current source, and the executable snippets were run rather
than eyeballed:

  • The Solidity E3RequestParams literal compiles verbatim under solc 0.8.28.
  • The JavaScript requestParams object encodes against the compiled Interfold ABI, for both
    request and getE3Quote.
  • The Rust usage snippet compiles against e3-compute-provider with a local FHEProcessor stub, and
    the corrected dependency line resolves through cargo generate-lockfile.
  • The YAML block parses through interfold config get.
  • build_offer() was executed with the six variables unset, and printed the six documented defaults.
  • The journal layout is pinned by compute_result_journal_matches_crisp_layout, which passes.

Left alone on purpose

The Result Verification paragraph in building-with-interfold.mdx keeps its current wording.

Note on overlap: open PR #1772 corrects the committee_public_key field in the /run_compute
example as an incidental part of a feature change. This PR corrects it too, because leaving a known
wrong field in a PR about stale API references made the surrounding warning awkward. Both edits set
the same value, so a conflict resolves to one line.

🤖 Generated with Claude Code

Summary by CodeRabbit

  • Documentation
    • Updated compute-provider examples for generic providers, input policies, ciphertext outputs, and custom input handling.
    • Revised support guidance with current paths, request examples, RISC Zero and Boundless behavior, proof binding, and CI references.
    • Clarified Interfold request flows, fee quoting, approvals, validation responsibilities, lifecycle events, ciphertext commitments, and input publication.
    • Updated auction configuration guidance and documented launcher limitations.

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📝 Walkthrough

Walkthrough

The PR updates documentation and examples for current compute-provider APIs, support runtime behavior, Interfold request interfaces, verification flow, event fields, fee handling, and launcher configuration.

Changes

API documentation alignment

Layer / File(s) Summary
Compute-provider examples
crates/compute-provider/Readme.md
Examples now use generic ComputeProvider execution with InputPolicy, current output values, updated configuration signatures, and support-host references.
Support runtime and proof flow
crates/support/README.md
The README now documents current request fields, string identifiers, proving modes, proof bindings, launcher behavior, CI jobs, and fixture status.
Interfold contract flow and launcher guidance
docs/pages/building-with-interfold.mdx, templates/default/interfold.config.yaml
Documentation now describes program-owned input handling, updated E3 fields and events, verifier checks, fee quoting, request submission, and auction defaults.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: 🔵 Low · up to 811c9

The PR corrects stale copy-and-run examples, defaults, types, and API descriptions, but one support README warning still appears inconsistent with the documented request payload. This is a bounded documentation issue that requires owner awareness or follow-up; the PR remains mergeable.

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly identifies the documentation fix for stale API references in the support and building guides.
Linked Issues check ✅ Passed The changes address the documentation corrections requested in issue #1808, including current APIs, examples, defaults, events, and compute-provider interfaces.
Out of Scope Changes check ✅ Passed The README, guide, compute-provider, and configuration updates all support the linked issue's documentation objectives.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)
✨ Finishing Touches 💡 1
🛠️ Fix failing CI checks 💡
  • Create stacked PR
  • Commit on current branch
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  • Create PR with unit tests

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Actionable comments posted: 1

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Inline comments:
In `@crates/support/README.md`:
- Around line 291-294: Update the fixture warning and refreshed request body to
use the documented committee_public_key field consistently, replacing
committee_public_key_hash while preserving the other Step 7 request fields.
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Comment thread crates/support/README.md Outdated
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Actionable comments posted: 1

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Inline comments:
In `@crates/support/README.md`:
- Around line 201-206: Clarify the processing flow that the Boundless submission
and prover-waiting steps require risc0_dev_mode: 0; document the alternate
dev-mode behavior separately if the default risc0_dev_mode: 1 path is supported.
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Comment thread crates/support/README.md
…uides

Four documents describe contract and crate APIs that have since changed. Each
correction below was checked against origin/main, and nothing here reverts a
fix already present upstream: all four files are byte-identical between
origin/main and this branch's merge base.

crates/support/README.md

- The E3 request snippet used `threshold: [M, N]` and `e3ProgramParams`, neither
  of which exists. Rewritten against `E3RequestParams`, whose nine fields it now
  matches in name and order, with the `IInterfold.` / `IE3Program(...)` /
  `IERC20(...)` qualifiers the snippet needs to compile.
- The Boundless "defaults shown" block listed six values that contradicted the
  table further down the same file. `build_offer()` uses 0.00005, 0.002, 600,
  300, 60 and 2.0; both places now say that.
- `e3_id` is `Option<String>`, and the request field is
  `committee_public_key_hash`. The `/run_compute` example sent a number and the
  older field name, so it could not deserialize. It does now, verified by
  feeding the body to `ComputeRequest`.
- The proof binds nine values, five identifying the context and four coming from
  the computation. The old text listed seven and omitted the parameter hash and
  the input root.
- The container is built by `build_e3_support_risc0` in ci.yml and
  `build-e3-support-release` in releases.yml, not by a `support-docker.yml` that
  does not exist.
- Two notes record that the Boundless auction fields are unusable today, per
  theinterfold#1812: setting one makes `interfold program start` exit, and the environment
  variables never reach the container.
- `fixtures/payload.json` still fails to deserialize, so the warning now lists
  the required fields instead of pointing at another example.
- Step 2 did not say whose logic the guest carries. `methods/guest/Cargo.toml`
  pins `e3-user-program` to `crates/support/program`, and CRISP's crate takes the
  same package name, so the path alone decides which one a build gets.

docs/pages/building-with-interfold.mdx

- `getE3Quote` and `request` each take one `E3RequestParams`, not six positional
  arguments.
- The `E3` struct gained `ciphertextCommitment`; all fifteen fields now match
  IE3.sol in order. `requestBlock` holds a timestamp despite its name.
- `E3Requested`'s third parameter is `bytes32 indexed cryptoConfigId`;
  `CiphertextOutputPublished` carries `ciphertextCommitment`; the template's
  `InputPublished` has no `inputHash`.
- The JavaScript example now quotes the fee and approves it before requesting,
  because `request` pulls the fee with `transferFrom` and reverts with
  `FeeExceedsMaximum` above `maxFee`.
- The input root rules out substituting or dropping an input from the tree. It
  does not decide which inputs are computed over: since theinterfold#1821 that is the
  program's input policy.

crates/compute-provider/Readme.md

- theinterfold#1821 removed `use_parallel`, `batch_size` and the parallel path. `new` takes
  three arguments, `start` takes an `InputPolicy` and returns a `Result`, and
  `prove` receives the policy. Added sections on policies and `with_published`,
  because a program whose contract builds a leaf other than the ciphertext
  commitment cannot reach the right root without them.
- The dependency line combined `git` with `path`, which cargo rejects, and used
  the pre-rename URL.
- Every Rust block compiles against the crate.

templates/default/interfold.config.yaml

- The commented auction parameters are the built-in defaults, and setting any of
  them makes the launcher exit.

Closes theinterfold#1808

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
@Toby1009
Toby1009 force-pushed the docs/correct-stale-api-references branch from b09acc7 to 049f09c Compare August 20, 2026 20:54
Toby1009 and others added 2 commits August 21, 2026 05:37
…mentable

Two defects found by doing what the documents say rather than reading them.

The "Input policies" section named `leaf` and `select` but gave no signatures,
so the natural attempt does not compile: `leaf` returns
`Result<String, ComputeError>` holding hex already reduced into BN254, not the
bytes a reader would reach for. Added the two type aliases, a `policy()` that
compiles, and the fields `PublishedInput` carries. The worked example is shaped
like `crates/support/program`'s, so it can be pasted into a program crate.

The template's auction note sat at the same indentation as the commented fields
around it. Uncommenting the block, which is the only way to use it, turned two
sentences into YAML keys:

  could not find expected ':' at line 34 column 7

The line it replaced ended in a colon and survived. Commented the prose one
level deeper so it stays a comment after the reader strips one.

Every Rust block in the README compiles against the crate, and the template now
parses both as shipped and fully uncommented.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
`interfold program compile` is Step 2, and from a checkout of this repository it
exits 1 with `Configuration file not found`. The `program` subcommands shell out
to `.interfold/support/ctl`, which `interfold init` writes
(crates/init/src/lib.rs:163-178), and Prerequisites never mentions either.

Added the missing prerequisite and said which directory the steps run from.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
@Toby1009
Toby1009 marked this pull request as ready for review August 21, 2026 01:03
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Actionable comments posted: 2

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Inline comments:
In `@crates/compute-provider/Readme.md`:
- Line 51: Update the documentation wording for the leaf description to use
“on-chain” as the compound adjective.
- Around line 82-84: Update the PublishedInput description in the README to
explicitly state that matches_commitment() compares commitment with recomputed,
replacing the ambiguous “last two” wording while leaving the rest of the field
description unchanged.
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`InputPolicy` carries the two answers that differ between E3 programs:

- `leaf` builds a tree leaf. It must equal what the E3 program builds on chain for the same input.

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📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win

Use on-chain as a compound adjective.

Line 51 says “builds on chain.” Change it to “builds on-chain.”

Suggested wording
-It must equal what the E3 program builds on chain for the same input.
+It must equal what the E3 program builds on-chain for the same input.
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
- `leaf` builds a tree leaf. It must equal what the E3 program builds on chain for the same input.
- `leaf` builds a tree leaf. It must equal what the E3 program builds on-chain for the same input.
🧰 Tools
🪛 LanguageTool

[grammar] ~51-~51: Use a hyphen to join words.
Context: ...must equal what the E3 program builds on chain for the same input. - select cho...

(QB_NEW_EN_HYPHEN)

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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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In `@crates/compute-provider/Readme.md` at line 51, Update the documentation
wording for the leaf description to use “on-chain” as the compound adjective.

Source: Linters/SAST tools

Comment thread crates/compute-provider/Readme.md Outdated
Toby1009 and others added 2 commits August 21, 2026 09:12
The sentence said "the last two", but the enumeration before it ends with
`metadata` and `recomputed`, while `matches_commitment` compares `commitment`
with `recomputed` (policy.rs:55-62). Named them.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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docs: the support README and building-with-interfold describe APIs that no longer exist

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