Add support to search contract by address

[ivpusic]

Added SearchDatasetsByContractAddress method.

[cursor]

PR Summary

Medium Risk
Introduces a new public API and modifies the DuneClient interface/model types, which can be breaking for downstream implementations or mocks; behavior change is otherwise additive and localized to dataset search.

Overview
Adds a new SearchDatasetsByContractAddress client method (and DuneClient interface entry) that POSTs to the new /api/v1/datasets/search-by-contract endpoint and returns SearchDatasetsResponse.

Updates dataset search models by introducing SearchDatasetsByContractAddressRequest and adding an optional contract_address field to SearchDatasetsRequest for broader search filtering.

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ℹ️ Recent review info

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Configuration used: Organization UI

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Run ID: 60957565-1762-49ae-bf3f-c9d1fddd592b

📥 Commits

Reviewing files that changed from the base of the PR and between 1abb32f and 7713727.

📒 Files selected for processing (2)

• models/query.go
• models/search_datasets.go

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📝 Walkthrough

Walkthrough

Adds support for searching datasets by smart contract address: a new request model, a new client method implementation, and an updated client interface plus URL template for the /datasets/search-by-contract endpoint.

Changes

Cohort / File(s)	Summary
Client implementation dune/dataset.go	Added func (c *duneClient) SearchDatasetsByContractAddress(req models.SearchDatasetsByContractAddressRequest) (*models.SearchDatasetsResponse, error) which builds a POST to the contract-address search endpoint, performs the request, and decodes the response using existing httpRequest/decodeBody patterns.
Interface & constants dune/dune.go	Added SearchDatasetsByContractAddress(req models.SearchDatasetsByContractAddressRequest) (*models.SearchDatasetsResponse, error) to the DuneClient interface and introduced searchDatasetsByContractAddressURLTemplate constant for /datasets/search-by-contract.
Models — new & modified models/search_datasets.go	Added SearchDatasetsByContractAddressRequest (fields: ContractAddress, Blockchains, Limit, Offset, IncludeSchema). Reordered fields in SearchDatasetsRequest (no semantic change).
Models — formatting models/query.go	Whitespace/field alignment changes in GetQueryResponse struct only; no semantic or API changes.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Suggested reviewers

• norbertdurcansk
• va3093

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'Add support to search contract by address' directly and accurately reflects the main change: introducing SearchDatasetsByContractAddress method for searching datasets by contract address.
Description check	✅ Passed	The description 'Added SearchDatasetsByContractAddress method' is directly related to the changeset and accurately describes the primary addition across all modified files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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🔧 golangci-lint (2.5.0)

Error: can't load config: unsupported version of the configuration: "" See https://golangci-lint.run/docs/product/migration-guide for migration instructions
The command is terminated due to an error: can't load config: unsupported version of the configuration: "" See https://golangci-lint.run/docs/product/migration-guide for migration instructions

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[va3093]

is this correct. I thought we only support this in a seperate api now?

[ivpusic]

good catch, this is leftover