{"id":21820144,"url":"https://github.com/5afe/playground-4337","last_synced_at":"2026-05-09T15:39:44.918Z","repository":{"id":207554286,"uuid":"714309477","full_name":"5afe/playground-4337","owner":"5afe","description":"ERC-4337 Playground for Testing Account Implementations","archived":false,"fork":false,"pushed_at":"2023-11-16T13:19:58.000Z","size":111,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":4,"default_branch":"main","last_synced_at":"2025-03-30T08:32:57.774Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/5afe.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2023-11-04T14:33:43.000Z","updated_at":"2023-11-08T01:31:41.000Z","dependencies_parsed_at":null,"dependency_job_id":"5794b09d-9213-439c-a828-1ab2d1f8236e","html_url":"https://github.com/5afe/playground-4337","commit_stats":null,"previous_names":["5afe/playground-4337"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/5afe/playground-4337","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/5afe%2Fplayground-4337","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/5afe%2Fplayground-4337/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/5afe%2Fplayground-4337/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/5afe%2Fplayground-4337/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/5afe","download_url":"https://codeload.github.com/5afe/playground-4337/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/5afe%2Fplayground-4337/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":32824786,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-08T08:22:46.396Z","status":"online","status_checked_at":"2026-05-09T02:00:06.633Z","response_time":123,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-27T16:28:50.910Z","updated_at":"2026-05-09T15:39:44.886Z","avatar_url":"https://github.com/5afe.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# ERC-4337 Playground\n\nThe ERC-4337 bundler logic for what it accepts for user operations is quite\ncomplex, and iterating on it with external bundlers on test networks is slow and\npainful.\n\nThis repository provides a simple playground for testing ERC-4337 related\nthings. It provides:\n\n- A skeleton ERC-4337 factory and account implementation\n- A Docker compose file for running a local test node and bundler\n- Scripts for executing user operations\n\n## Setup\n\nIn order to start a local node and reference ERC-4337 bundler implementation:\n\n```shell\ndocker compose up\n```\n\nThis will start:\n\n- development Geth node on `http://localhost:8545`\n- [reference ERC-4337 bundler](https://github.com/eth-infinitism/bundler) on\n  `http://localhost:3000/rpc`\n- deployment of the\n  [reference ERC-4337 `EntryPoint` contract](https://github.com/eth-infinitism/account-abstraction/tree/develop)\n\n## Playground\n\nAdditionally, a `playground` script is provided to execute a user operation with\nskeleton the ERC-4337 account contract:\n\n```shell\nnpm run playground\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2F5afe%2Fplayground-4337","html_url":"https://awesome.ecosyste.ms/projects/github.com%2F5afe%2Fplayground-4337","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2F5afe%2Fplayground-4337/lists"}