graphql-alt: IObject.objectAt, MovePackage.packageAt

[amnn]

Description

Support fetching a different version of an existing object or package. This is mostly helpful if you have fetched an object or package in response to some nested query, and then want to modify the version of it you are looking at.

Test plan

New E2E tests:

sui$ cargo nextest run         \
  -p sui-indexer-alt-e2e-tests \
  -- graphql/objects/object_at \
     graphql/packages/package_at

Stack

• graphql-alt: MovePackage #21950
• graphql-alt: consistency infra #21990
• graphql-alt: Query.package, Query.multiGetPackages #21991
• easy refactor(graphql-alt): lock down visibility #21992
• graphql-alt: Epoch #21997
• graphql-alt: ProtocolConfigs #22004
• graphql-alt: Epoch.coinDenyList #22005
• graphql-alt: latest Epochs and Protocol Configs #22006
• graphql-alt: indices for packages and epochs #22085
• graphql-alt: Object version pagination #22086

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Release notes

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• Protocol:
• Nodes (Validators and Full nodes):
• gRPC:
• JSON-RPC:
• GraphQL:
• CLI:
• Rust SDK:

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[Copilot]

Pull Request Overview

This PR adds support for fetching objects and packages at alternative versions or checkpoints to enable updates on previously fetched data. Key changes include new GraphQL fields (objectAt and packageAt) in multiple schema files, corresponding resolver functions in the Rust API, and updated end-to-end tests validating the new behavior.

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
crates/sui-indexer-alt-graphql/staging.graphql	Added new field definitions for objectAt and packageAt with descriptions
crates/sui-indexer-alt-graphql/src/api/types/object.rs	Added resolver function for object_at
crates/sui-indexer-alt-graphql/src/api/types/move_package.rs	Added resolver functions for object_at and package_at
crates/sui-indexer-alt-graphql/schema.graphql	Added new field definitions for objectAt and packageAt in the core schema
Tests	Updated snapshots and Move test scripts to validate the alternative version fetching