Merge branch 'eip7702-support' into af-eip7702-addresses by ajit2903 · Pull Request #43 · ajit2903/blockscout

ajit2903 · 2026-07-28T08:58:43Z

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Summary by CodeRabbit

New Features
- Added support for EIP-7702 transactions and signed authorization lists.
- Transaction API responses now include authorization details such as chain ID, nonce, signature values, delegate address, and authority.
- Added detection and display of EIP-7702 delegate implementations.
- Improved transaction and address handling for externally owned accounts with code.
Bug Fixes
- Corrected transaction type classification and related gas usage behavior for EIP-7702 accounts.

…o handle EOA with code correctly

…d_authorizations.exs Co-authored-by: Kirill Fedoseev <kirill@blockscout.com>

…actions/:tx_hash` response (blockscout#10776) * feat: support EIP-7702 transactions * fix: handle invalid signatures * fix: save authority * Update apps/block_scout_web/lib/block_scout_web/views/api/v2/transaction_view.ex Co-authored-by: Kirill Fedoseev <kirill@blockscout.com> * Update apps/explorer/lib/explorer/chain/signed_authorization.ex Co-authored-by: Kirill Fedoseev <kirill@blockscout.com> * Update apps/indexer/lib/indexer/block/fetcher.ex Co-authored-by: Kirill Fedoseev <kirill@blockscout.com> * fix: remove set_code_transaction from @allowed_type_labels * Update apps/explorer/lib/explorer/chain/import/runner/signed_authorizations.ex Co-authored-by: Kirill Fedoseev <kirill@blockscout.com> * fix: move signed_authorization to a separate module * add todo --------- Co-authored-by: Kirill Fedoseev <kirill@blockscout.com>

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coderabbitai · 2026-07-28T08:59:09Z

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📝 Walkthrough

Walkthrough

Adds EIP-7702 authorization-list decoding, authority recovery, database persistence, EOA-with-code detection, proxy support, transaction classification, and API rendering.

Changes

EIP-7702 authorization support

Layer / File(s)	Summary
JSON-RPC authorization contract `apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex`, `apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/signed_authorization.ex`, `apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transaction.ex`	Defines signed authorization types, normalizes quantity fields, and carries `authorizationList` through transaction conversion.
Authorization storage and block import `apps/explorer/priv/repo/migrations/signed_authorizations`, `apps/explorer/lib/explorer/chain/signed_authorization.ex`, `apps/explorer/lib/explorer/chain/import/...`, `apps/indexer/lib/indexer/block/fetcher.ex`	Creates signed authorization persistence, recovers authorities during block fetching, and imports records with conflict-aware upserts.
EIP-7702 address behavior `apps/explorer/lib/explorer/chain/address`, `apps/explorer/lib/explorer/chain/smart_contract/proxy`, `apps/explorer/lib/explorer/chain/transaction.ex`, `apps/explorer/lib/explorer/chain/address/counters.ex`, `apps/indexer/lib/indexer/fetcher/on_demand/contract_code.ex`	Recognizes delegate bytecode, integrates EIP-7702 proxy detection, and updates address classification, gas usage, transaction matching, and bytecode fetching.
Transaction API output `apps/block_scout_web/lib/block_scout_web/controllers/api/v2/*`, `apps/block_scout_web/lib/block_scout_web/views/api/v2/transaction_view.ex`	Loads optional authorization associations, renders sorted authorization lists, adds them to transaction responses, and classifies type 4 transactions as set-code transactions.

Estimated code review effort: 4 (Complex) | ~60 minutes

Sequence Diagram(s)

sequenceDiagram
  participant JSONRPC
  participant IndexerBlockFetcher
  participant SignedAuthorizationRunner
  participant TransactionView
  JSONRPC->>IndexerBlockFetcher: authorizationList transaction data
  IndexerBlockFetcher->>IndexerBlockFetcher: recover authority address
  IndexerBlockFetcher->>SignedAuthorizationRunner: signed authorization records
  SignedAuthorizationRunner-->>TransactionView: persisted signed authorizations
  TransactionView-->>TransactionView: render authorization_list

Suggested reviewers: vbaranov, qwerty5uiop

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 70.83% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.
Title check	❓ Inconclusive	The title is a merge-branch message and does not describe the actual EIP-7702 support changes.	Rename it to summarize the main change, e.g. 'Add EIP-7702 support for transactions and addresses'.

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Check name	Status	Explanation
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.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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Inline comments:
In
`@apps/explorer/priv/repo/migrations/20240904161254_create_signed_authorizations.exs`:
- Line 14: Update the nonce column definition in the
create_signed_authorizations migration to use PostgreSQL’s bigint-compatible
type instead of :integer, while preserving the existing non-null constraint.

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📥 Commits

Reviewing files that changed from the base of the PR and between 0b75ac2 and d6fd3b6.

📒 Files selected for processing (19)

apps/block_scout_web/lib/block_scout_web/controllers/api/v2/address_controller.ex
apps/block_scout_web/lib/block_scout_web/controllers/api/v2/transaction_controller.ex
apps/block_scout_web/lib/block_scout_web/views/api/v2/transaction_view.ex
apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex
apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/signed_authorization.ex
apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transaction.ex
apps/explorer/lib/explorer/chain/address.ex
apps/explorer/lib/explorer/chain/address/counters.ex
apps/explorer/lib/explorer/chain/import/runner/signed_authorizations.ex
apps/explorer/lib/explorer/chain/import/stage/block_referencing.ex
apps/explorer/lib/explorer/chain/signed_authorization.ex
apps/explorer/lib/explorer/chain/smart_contract/proxy.ex
apps/explorer/lib/explorer/chain/smart_contract/proxy/eip_7702.ex
apps/explorer/lib/explorer/chain/smart_contract/proxy/models/implementation.ex
apps/explorer/lib/explorer/chain/transaction.ex
apps/explorer/priv/repo/migrations/20240904161254_create_signed_authorizations.exs
apps/explorer/priv/repo/migrations/20240918104231_new_proxy_type_eip7702.exs
apps/indexer/lib/indexer/block/fetcher.ex
apps/indexer/lib/indexer/fetcher/on_demand/contract_code.ex

coderabbitai · 2026-07-28T09:08:08Z

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ajit2903

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_{Commented in CodeRabbit Change Stack}

coderabbitai · 2026-07-28T09:23:27Z

Request timed out after 900000ms (requestId=6fe01c94-0625-4406-8490-8282e7baaf34)

Implemented from a Change Stack AI coding task. Co-authored-by: CodeRabbit <noreply@coderabbit.ai>

vercel · 2026-07-28T09:24:21Z

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AllFi and others added 10 commits September 23, 2024 16:03

feat: add EIP-7702 support to /address/:address endpoint

e65d393

fix: refactor fetch?

51ff269

fix: move get_implementation_address_hash_string_eip7702

1030bb6

fix: remove EIP-7702 flag from response, modify transactions filter t…

5f25779

…o handle EOA with code correctly

fix: minor refactoring

38b4bd8

fix: remove unused alias

0538031

fix: review comments

a14ef70

Update apps/explorer/priv/repo/migrations/20240904161254_create_signe…

bb51a84

…d_authorizations.exs Co-authored-by: Kirill Fedoseev <kirill@blockscout.com>

Merge branch 'eip7702-support' into af-eip7702-addresses

d6fd3b6

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Merge branch 'eip7702-support' into af-eip7702-addresses - #43

Merge branch 'eip7702-support' into af-eip7702-addresses#43
ajit2903 wants to merge 11 commits into
af-eip7702-transactionsfrom
af-eip7702-addresses

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