feat: store immutables#20
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wei3erHase
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Feb 20, 2026
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| /// Generates the `#[abi(immutables)]` layout for the contract artifact. | ||
| /// | ||
| /// Mirrors the `#[abi(storage)]` pattern from aztec-nr (`aztec/src/macros/storage.nr:96-109`). |
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full link to a fixed commit 🙏 (tagging v4.devnet... may be smart so it appears when search and replacing to next version), how can we make sure references to lines are updated? coderabbit?
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for the time being added the proper fixed commit in #10
wei3erHase
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| // TODO: This wrapper should be auto-generated by the #[immutables] macro or | ||
| // enshrined in aztec-nr. Currently requires a manual wrapper in each contract | ||
| // because struct macros cannot emit #[external("utility")] functions (blocked | ||
| // by #[aztec]'s check_all_functions_have_context_macro). | ||
| /// Persists immutables data to the PXE's CapsuleStore. | ||
| /// Called once after deployment via `.simulate()` from TypeScript. | ||
| #[external("utility")] | ||
| unconstrained fn store_immutables(capsule_data: [Field; 3]) { | ||
| Immutables::store(self.context, capsule_data); | ||
| } |
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let's check whether this is intended or oversight, it may be wise to trigger an issue explaining our usecase
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This is intended, I understand that introducing a injecting a macro like #[external("utility")] is not possible from another macro.
wei3erHase
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Feb 20, 2026
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| import { SchnorrInitializerlessAccountContractArtifact } from "../../artifacts/SchnorrInitializerlessAccount.js"; | ||
| import { | ||
| SchnorrInitializerlessAccountContract as SchnorrInitializerlessAccountContractHandle, |
wei3erHase
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only nits, good to continue on test/js imo
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🤖 Linear
Closes AZT-727
Description
store_immutables()replaces per-transaction transient capsules with a one-time.simulate()call after deployment#[abi(immutables)]layout generation to the#[immutables]macro, enabling TypeScript artifact introspection (getImmutablesLayout,serializeFromLayout)deploySchnorrInitializerlessAccount()to the public API for npm consumersskipClassPublication/skipInstancePublicationto opt-inpublishClass/publishInstance(defaultfalse)Changes
Noir (
src/nr/)#[immutables]macro: generatesImmutables::store(context, capsule_data)— validatesposeidon2_hash(capsule_data) == instance.saltthen persists to PXE CapsuleStore#[immutables]macro: generates#[abi(immutables)]layout (field names, indices, serialized length) for TypeScript introspection — mirrors#[abi(storage)]from aztec-nrstore_immutablesutility wrapper (manual, pending macro auto-generation)TypeScript (
src/ts/)immutables/utils.ts: addgetImmutablesLayout(),serializeFromLayout(), artifact layout validation indeployWithImmutables, automaticstore_immutables().simulate()call during deployment, returncapsuleData: Fr[]instead ofactualSalt: Frimmutables/utils.ts: renameskipClassPublication/skipInstancePublication→publishClass/publishInstance(defaultfalse)schnorr-initializerless-account/index.ts: adddeploySchnorrInitializerlessAccount()(full lifecycle: key derivation, deploy, Account creation), updateserializeSigningKeyto useserializeFromLayout,return
capsuleDatafromcomputeSchnorrAccountAddressschnorr-initializerless-account/utils.ts: redundant withdeploySchnorrInitializerlessAccountinindex.tsTests
actualSalt→capsuleData,registerInitializerlessAccount→deploySchnorrInitializerlessAccount, opt-in publication flagsdeployAndRegisterhelper for TestWallet-specific account registrationDocs
store_immutableswrapper docs, PXE recovery, npm usage examples, capsule data loss warning