Bump rainlang 0.1.2 -> 0.2.1 and the dep chain pinning it

[thedavidmeister]

Moves this repo onto rainlang 0.2.1, the library half after the split (rainlanguage/rainlang#552), and carries the dependency chain the package spells, which is also the rain-solmem 0.1.28 bump this repo was waiting on.

• rainlang 0.1.2 -> 0.2.1. The concretes and deploy pins left the package, so tests bind its source-built harness: OpTest deploys the test concretes itself. No test here read a deployed address from the pins.
• rain-interpreter-interface 0.1.0 (orphaned name) -> rainlang-interface 0.2.8, the successor package, imports re-pointed.
• rain-solmem 0.1.3 -> 0.1.28, rain-extrospection 0.1.0 -> 0.1.14, rain-math-binary 0.1.1 -> 0.1.4, rain-deploy 0.1.2 -> 0.1.7.
• rain-sol-codegen 0.1.0 -> 0.1.36 and forge-std 1.16.2, the versions rainlang 0.2.1 spells; no remappings, every import names the version foundry.toml pins.
• rain-sol-codegen 0.1.36 refuses a generated file it did not name, so the pointers file follows its convention: src/generated/PythWords.pointers.sol -> PythWordsPointers.sol, imports and docs updated. Regenerated with script/build.sh to a fixed point.

PythWords bytecode, BYTECODE_HASH and Zoltu address are unchanged, so nothing on chain moves.

QA

• Discriminating tests: the full suite at the new pins, 16 passed, 0 failed. PythWords.pointers.t.sol pins the regenerated tables against LibPythSubParser and the live bytecode hash.
• Mutations applied: none; dependency pins and a generated-file rename, no logic change in this repo.
• Oracle: rainlang 0.2.1 on the Soldeer registry and its foundry.toml pin set; script/build.sh output byte-stable on rerun.
• Category check: rain-solmem 0.1.28 bump (org campaign) plus rainlang split consumer migration (rainlang#552), both covered.

🤖 Generated with Claude Code

https://claude.ai/code/session_01QyCCzi9WZPhuXcU1hwr2bq

Summary by CodeRabbit

• Chores

  • Updated project dependencies and package mappings to newer versions.
  • Refreshed build and deployment tooling references.
  • Updated generated pointer references to the newer naming convention.
  • Added pre-commit configuration to the ignored files list.

• Tests

  • Updated test tooling and dependency references to remain compatible with the refreshed development environment.

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between 9ea145f and 4fab051.

⛔ Files ignored due to path filters (2)

• soldeer.lock is excluded by !**/*.lock
• src/generated/PythWordsPointers.sol is excluded by !**/generated/**

📒 Files selected for processing (17)

• .gitignore
• foundry.toml
• remappings.txt
• script/Build.sol
• script/BuildAuthoringMeta.sol
• script/Deploy.sol
• src/abstract/PythExtern.sol
• src/abstract/PythSubParser.sol
• src/concrete/PythWords.sol
• src/lib/op/LibOpPythPrice.sol
• src/lib/parse/LibPythSubParser.sol
• test/src/concrete/PythWords.pythPrice.t.sol
• test/src/lib/op/LibOpPythPrice.t.sol
• test/src/lib/pyth/LibPyth.constants.t.sol
• test/src/lib/pyth/LibPyth.getPriceFeedContract.t.sol
• test/src/lib/pyth/LibPyth.getPriceFeedId.t.sol
• test/src/lib/pyth/LibPyth.getPriceNoOlderThan.t.sol

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Walkthrough

The project updates Forge and Rain dependencies, replaces rain-interpreter-interface with rainlang-interface, renames the generated pointer module, updates contract imports, and aligns test imports with the new package versions.

Changes

Dependency and generated pointer updates

Layer / File(s)	Summary
Dependency and tooling configuration .gitignore, foundry.toml, remappings.txt, script/Build.sol, script/BuildAuthoringMeta.sol, script/Deploy.sol	Dependency versions, remappings, filesystem permission formatting, ignore rules, and Forge script imports were updated.
Generated pointer module rename script/Build.sol, src/abstract/PythExtern.sol, src/abstract/PythSubParser.sol, src/concrete/PythWords.sol	The build script now generates PythWordsPointers, and production imports use the renamed module.
Interface imports and test updates src/lib/op/LibOpPythPrice.sol, src/lib/parse/LibPythSubParser.sol, test/src/concrete/PythWords.pythPrice.t.sol, test/src/lib/op/LibOpPythPrice.t.sol, test/src/lib/pyth/*	Production and test imports now use the updated Rainlang and Forge package versions.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 4fab0

This updates Rainlang-related dependencies and renames generated pointer imports without changing PythWords bytecode or deployment identifiers. The updated build and production imports are aligned, and no current merge-blocking risk remains.

🚥 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 describes the primary change: upgrading rainlang from 0.1.2 to 0.2.1 and updating its dependent dependency chain.
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…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch 2026-09-07-rainlang-0.2.0

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