SuperPaymaster

Decentralized Payment & Gas Sponsorship Infrastructure for ERC-4337

v5.3.3-beta.2 (Security-Hardened Beta · Core Gasless) — Sepolia Testnet Live · Release Notes · Integration Guide · Coverage Report

What is SuperPaymaster?

SuperPaymaster is a multi-mode payment infrastructure for the ERC-4337 Account Abstraction ecosystem. It goes beyond simple gas sponsorship — combining gasless transactions, x402 resource payments, micropayment channels, and AI agent economy into a unified on-chain settlement layer.

Research paper: Huifeng Jiao, Nathapon Udomlertsakul. "SuperPaymaster: Eliminating Centralized Signer Authority via Asset-Oriented Abstraction to Reconcile Usability and Decentralization in Account Abstraction" — arXiv:2605.05774. Introduces Asset-Oriented Abstraction (AOA), anchoring sponsorship authority in on-chain Gas Cards instead of off-chain signers; ~49% gas reduction vs. commercial baselines on Optimism Mainnet.

Who is it for?

Communities: Sponsor gas fees for members using community tokens (xPNTs)
AI Agents: Discover and pay for on-chain services via ERC-8004 identity + x402
Developers: Integrate gasless UX, micropayments, or x402 settlement with battle-tested contracts
Operators: Run decentralized paymaster nodes with DVT/BLS consensus

Payment Modes

SuperPaymaster supports 4 payment channels in a single contract system:

Mode	Protocol	Description	Since
Gas Sponsorship	ERC-4337	Operators pre-fund aPNTs; users pay zero gas, repay in xPNTs (community tokens)	V3
x402 Settlement (contracts live; SDK signing integrating)	HTTP 402 + EIP-3009	Single-payment resource purchases — client pays USDC/xPNTs per request	V5.1
Micropayment Channel	EIP-712 Vouchers	Streaming micro-charges with off-chain signing and batch on-chain settlement	V5.2
Agent Sponsorship	ERC-8004	Reputation-driven tiered gas sponsorship for registered AI agents	V5.3

Two Operating Modes

AOA+ Mode (SuperPaymaster): Shared multi-operator paymaster with Registry-based community management
AOA Mode (PaymasterV4): Independent per-community paymasters deployed via EIP-1167 minimal proxy factory

Architecture

                    ┌──────────────────────────────────┐
                    │         EntryPoint v0.7           │
                    │   (ERC-4337 Standard)             │
                    └──────────┬───────────────────────┘
                               │
              ┌────────────────┼────────────────┐
              ▼                ▼                ▼
   ┌──────────────────┐ ┌───────────┐ ┌──────────────────┐
   │  SuperPaymaster   │ │ Paymaster │ │ MicroPayment     │
   │  (AOA+ Shared)    │ │ V4 (AOA)  │ │ Channel          │
   │  ┌──────────────┐ │ │ EIP-1167  │ │ EIP-712 Vouchers │
   │  │ Gas Sponsor  │ │ │ Proxies   │ │ Batch Settle     │
   │  │ x402 Settle  │ │ └───────────┘ └──────────────────┘
   │  │ Agent Policy │ │
   │  │ Credit/Debt  │ │
   │  └──────────────┘ │
   └────────┬──────────┘
            │
   ┌────────┼──────────────────────────────────┐
   │        ▼            ▼            ▼        │
   │   ┌─────────┐ ┌─────────┐ ┌───────────┐  │
   │   │Registry │ │ MySBT   │ │ GToken    │  │
   │   │ (UUPS)  │ │ (SBT)   │ │ Staking   │  │
   │   └─────────┘ └─────────┘ └───────────┘  │
   │        ▼            ▼                     │
   │   ┌──────────┐ ┌──────────────┐           │
   │   │xPNTs     │ │ Reputation   │           │
   │   │Factory   │ │ System       │           │
   │   └──────────┘ └──────────────┘           │
   │                                           │
   │   ┌──────────┐ ┌──────────────┐           │
   │   │DVT       │ │ BLS          │           │
   │   │Validator │ │ Aggregator   │           │
   │   └──────────┘ └──────────────┘           │
   └───────────────────────────────────────────┘
              Supporting Contracts

Core Contracts

Contract	Version	Type	Role
SuperPaymaster	5.3.0	UUPS Proxy	AOA+ shared paymaster — gas sponsorship, x402, agent policies, credit/debt
Registry	4.1.0	UUPS Proxy	Community/node registration, role management, BLS replay protection, slashing
PaymasterV4	4.3.0	EIP-1167 Proxy	AOA independent paymaster per community
GToken	2.0.0	ERC20	Governance token (21M cap, mintable, burnable)
GTokenStaking	3.2.0	Immutable	Role-based staking with burn mechanism, DVT/governance slashing
MySBT	3.1.3	ERC721 (Soulbound)	Identity + reputation, community membership, SBT-gated sponsorship
xPNTsFactory	2.0.0	Clones	Deploys per-community xPNTs gas tokens
ReputationSystem	1.0.0	—	Community-rule-based reputation scoring
BLSAggregator	1.0.0	—	BLS12-381 threshold signature aggregation
DVTValidator	1.0.0	—	Distributed validator consensus (7-of-13 quorum)
PaymasterFactory	1.0.0	—	EIP-1167 proxy factory for PaymasterV4 instances

V5 Feature Highlights

V5.1 — x402 Settlement (contracts live; @aastar/x402 SDK signing integrating — aastar-sdk#39)

settleX402Payment() — EIP-3009 transferWithAuthorization for USDC-native settlement; recipient bound into the nonce (C-03)
settleX402PaymentDirect() — xPNTs settle gated by a payer EIP-712 X402PaymentAuthorization signature (C-02) + factory/facilitator whitelist
chargeMicroPayment() (off-path metered charge) — designed, not deployed; the session/limited-payment use case is covered by AirAccount Session Keys at the account layer (see division of labor below)

V5.2 — Micropayment Channel

MicroPaymentChannel contract — open/sign/settle streaming sessions
EIP-712 cumulative voucher signing with dispute window
Batch settlement for high-frequency micro-charges

V5.3 — Agent Economy (ERC-8004)

Dual-channel eligibility: SBT holders OR registered AI agents
AgentSponsorshipPolicy — per-operator tiered BPS rates + daily USD cap
_submitSponsorshipFeedback() — on-chain reputation feedback loop
EIP-1153 transient storage cache for same-operator batch optimization

AAStar Stack & Division of Labor

SuperPaymaster is the settlement & gas-sponsorship layer — it pairs with AirAccount (the account layer) rather than duplicating it:

Concern	Layer	Owner
WHO can sign & WITH what limits (passkey, session keys, target/selector/velocity/quota, recovery)	Account	AirAccount
WHO pays gas & HOW it settles (gasless sponsorship, xPNTs credit/debt, reputation pricing, x402 + channel settlement)	Settlement	SuperPaymaster

This is why SuperPaymaster does not implement spending-limit or session-payment logic — those are enforced by AirAccount Session Keys at the account, and SuperPaymaster sponsors & settles. Announcement copy (Twitter / Discord / blog): docs/announcements/.

Security Architecture

UUPS Upgradeable Proxies for Registry and SuperPaymaster
ReentrancyGuard on all state-changing functions
Two-tier slashing: aPNTs (operational) + GToken stake (governance)
DVT/BLS consensus: 7-of-13 Byzantine quorum for validator operations
Chainlink oracle with staleness check, price bounds ($100–$100K), and keeper cache
Zero-address guards on all setter functions (L-04 audit fix)
BLS replay protection with non-zero proposalId enforcement (H-02 audit fix)
CEI order in postOp with nonReentrant double protection (H-01 audit fix)

v5.3.3-beta.2 security hardening (6 audit fixes, all on-chain-verified — see Coverage Report):

C-01 balance-aware credit ceiling · C-02 signed x402 direct settle (EIP-712 X402PaymentAuthorization)
C-03 recipient-bound EIP-3009 nonce · C-04 postOp out-of-gas floor (MIN_POST_OP_GAS)
H-01 chunked retryPendingDebt · H-02 PoP-gated permissionless BLS registration (switch default OFF)

Quick Start

Prerequisites

Foundry (Solidity 0.8.33, via-IR, Cancun EVM)
Node.js v18+
pnpm

Build & Test

# Clone and init submodules
git clone https://github.com/AAStarCommunity/SuperPaymaster.git
cd SuperPaymaster
./init-submoduel.sh

# Build
forge build

# Run all tests (400+ tests)
forge test

# Run specific test suite
forge test --match-path contracts/test/v3/Registry.t.sol

# Run with gas report
forge test --gas-report

# Echidna fuzz testing
echidna . --config echidna.yaml

Deploy

# Deploy to local Anvil
./deploy-core anvil

# Deploy to Sepolia
./deploy-core sepolia

# Prepare test accounts
./prepare-test sepolia

# Run E2E gasless tests
cd script/gasless-tests && pnpm install && ./run-all-tests.sh

For secure mainnet deployment with Foundry Keystore, see Deployment Guide.

Contract Addresses (Sepolia)

v5.3.3-beta.2 deployment. Always read live addresses from deployments/config.sepolia.json.

Contract	Proxy	Implementation
Registry	`0xB5Fb8920F7AcD8b395934bd1F21222b32A30eF1A`	`0xC931F91D134A16cCDfe4bf37EdEff217c9f193F1`
SuperPaymaster	`0xFb090E82bD041C6e9787eDEbE1D3BE55b3c7266a`	`0x52C1E6f039eb9BA50ac9Ad0D041cB07Dcf4C9AA0`
ReputationSystem	—	`0xDD4D6162F426998E8B8FC97D0a8a5912cd70e6E0`
GToken	—	`0x46B82966f8a40f0Bbb8C13aCfBA746631CC2ec72`
GTokenStaking	—	`0x574820E26Acb7D9a1202708C6183d6A8aC957dA6`
MySBT	—	`0x754CeB687aCFC72136B02a1cb7cE2F911B63F1f8`
xPNTsFactory	—	`0xC4f5A121c426734CC1c0DbE57f6A2Dd764E278e4`
PaymasterFactory	—	`0x60B8f728Abca14B82a4EC72f00Ff5437e0702e90`
BLSAggregator	—	`0x7ec72505220a13040c80EF2B895Bf3405b6ed3e9`
DVTValidator	—	`0xB60C82158734def92D0d2163C93927cf19b86a95`
MicroPaymentChannel	—	`0xbD1807328Dd654512B13d6320C9Cc78685a405Ed`

EntryPoint v0.7: 0x0000000071727De22E5E9d8BAf0edAc6f37da032

Mainnet: Pending audit — deployment after Beta stabilization.

Documentation

Architecture & Design

Contract Architecture — Dependency graph, data structures, constructor params
UUPS Upgrade Guide — Storage layout, upgrade flow, security analysis, knowledge base
DVT + BLS Architecture — Decentralized validator technology & BLS signature aggregation
Oracle Failover Mechanism — Chainlink degradation & DVT auto-switch
Price Cache Technical Reference — Price cache implementation details
Registry Role Mechanism — Role configuration, management, exit fees
Admin Configuration Rights — Permission matrix for admin operations
Credit System Design — User credit/debt system architecture
Contract Version Map — On-chain version mapping & governance roadmap

V5 Design & Roadmap

V5 Design Document — _consumeCredit(), x402 settlement, ERC-8004 integration
V5 Roadmap — Evolution from gas sponsorship to Agent Economy
V5 Implementation Plan — 16-week schedule, worktree strategy, milestone tracking
V5.1 Plan — Agent-Native Gas Sponsorship & chargeMicroPayment()
V5.2 Plan — x402 Facilitator + MicroPaymentChannel
V5.3 Plan — ERC-8004 Agent Discovery + SKILL.md + CLI
V5 Acceptance Report — Feature verification & test results

Research

x402 Ecosystem Research — Coinbase x402, Cloudflare Workers, settlement methods
Agent + x402 + Micropayment Research — Agent economy & payment channel design
Spores Protocol Design — Decentralized revenue sharing network

Developer Guides

Beta Integration Guide (v5.3.3-beta.2) — beta entry: ready vs pending (x402), prerequisites, dryRunValidation pre-flight
Developer Integration Guide — Gasless, x402, micropayment scenarios
SDK x402 Integration — EIP-3009 + direct settle signing (post-C-02)
SDK E2E Scenario Guide — 7 complete user scenarios
Ecosystem Services Setup — Operator node, facilitator, keeper
Registry v4.1 SDK Migration — Interface changes, viem examples, error mapping
Deployment Guide — Secure deployment with Foundry Keystore

User Guides

MySBT User Guide — Minting and managing SBT tokens
Community Registration — Registering your community
Paymaster Operator Guide — Operating AOA/AOA+ paymasters

API References

Security & Audits

Security Policy — Vulnerability reporting
Security PGP — PGP keys & bug bounty
Challenger Review — Adversarial review report
Kimi AI Audit Report — Full security audit
Codeex Audit — Static analysis & doc consistency audit

Testing

Anvil Testing Guide — Local Anvil environment setup
E2E Test Guide — End-to-end Sepolia test suite
Gasless Test Guide — Testing gasless transactions

Repository Structure

SuperPaymaster/
├── contracts/
│   ├── src/
│   │   ├── paymasters/
│   │   │   ├── superpaymaster/v3/   # SuperPaymaster (UUPS)
│   │   │   └── v4/                  # PaymasterV4 (AOA mode)
│   │   ├── core/
│   │   │   ├── Registry.sol         # Community registry (UUPS)
│   │   │   ├── GTokenStaking.sol    # Staking + slashing
│   │   │   └── PaymasterFactory.sol # EIP-1167 factory
│   │   ├── tokens/
│   │   │   ├── GToken.sol           # Governance token
│   │   │   ├── MySBT.sol            # Soulbound identity
│   │   │   ├── xPNTsFactory.sol     # Community token factory
│   │   │   └── xPNTsToken.sol       # Community gas token
│   │   ├── modules/
│   │   │   ├── validators/          # BLS validator
│   │   │   ├── monitoring/          # DVT + BLS aggregator
│   │   │   └── reputation/          # Reputation system
│   │   └── interfaces/              # Contract interfaces
│   ├── test/                        # 400+ Foundry tests
│   ├── script/                      # Forge deployment scripts
│   └── lib/                         # Dependencies (OZ, Chainlink, Solady)
├── script/
│   └── gasless-tests/               # E2E Sepolia test suite
├── deployments/                     # Config per network
├── docs/                            # All documentation
├── abis/                            # Extracted ABI JSONs
└── subgraph/                        # The Graph indexing

Security

400+ Foundry tests passing (including UUPS upgrade, V5 feature, fuzz tests)
Echidna property-based fuzzing
Internal adversarial review completed
External audit pending for mainnet deployment

Report a Vulnerability: jason@aastar.io or david@aastar.io — see Security Policy

Contributing

Fork the repository
Create a feature branch: git checkout -b feature/amazing-feature
Run tests: forge test
Commit: git commit -m 'feat: Add amazing feature'
Open a Pull Request

Code style: forge fmt — Solidity 0.8.33, comments in English.

Links

Website: aastar.io
Dashboard: superpaymaster.aastar.io
GitHub: AAStarCommunity
Registry Frontend: AAStarCommunity/registry

License

This project is licensed under the Apache License, Version 2.0.
Copyright 2024-present MushroomDAO Contributors.
See NOTICE · TRADEMARK.md · LICENSE-zh.md · TRADEMARK-zh.md for details.

SuperPaymaster — 去中心化支付与 Gas 赞助基础设施

English | 中文

Beta 0.22 (内部版本: V5.3) — Sepolia 测试网运行中

SuperPaymaster 是什么？

SuperPaymaster 是 ERC-4337 账户抽象生态的多模式支付基础设施。它不仅仅是 Gas 赞助——而是将无 Gas 交易、x402 资源支付、微支付通道和 AI Agent 经济统一到一个链上结算层中。

研究论文: Huifeng Jiao, Nathapon Udomlertsakul. "SuperPaymaster: Eliminating Centralized Signer Authority via Asset-Oriented Abstraction to Reconcile Usability and Decentralization in Account Abstraction" — arXiv:2605.05774。提出资产导向抽象 (AOA)，将 Gas 赞助权限锚定在链上 Gas Card 而非链下签名服务；在 Optimism 主网相比商业基线降低约 49% gas 成本。

面向谁？

社区: 用社区代币 (xPNTs) 为成员赞助 Gas 费
AI Agent: 通过 ERC-8004 身份 + x402 发现并支付链上服务
开发者: 集成无 Gas UX、微支付或 x402 结算
运营商: 运行去中心化 Paymaster 节点（DVT/BLS 共识）

支付模式

模式	协议	描述	版本
Gas 赞助	ERC-4337	运营商预存 aPNTs，用户零 Gas 交易，以 xPNTs 偿还	V3
x402 结算	HTTP 402 + EIP-3009	单次资源购买 — USDC/xPNTs 按请求付费	V5.1
微支付通道	EIP-712 凭证	流式微额扣费，链下签名 + 批量链上结算	V5.2
Agent 赞助	ERC-8004	基于声誉的分级 Gas 赞助（注册 AI Agent）	V5.3

双模式运营

AOA+ 模式 (SuperPaymaster): 共享多运营商 Paymaster，Registry 管理社区
AOA 模式 (PaymasterV4): 每社区独立 Paymaster，EIP-1167 最小代理工厂部署

核心合约

合约	版本	类型	职责
SuperPaymaster	5.3.0	UUPS 代理	AOA+ 共享 Paymaster — Gas 赞助、x402、Agent 策略、信用/债务
Registry	4.1.0	UUPS 代理	社区/节点注册、角色管理、BLS 重放保护、惩罚
PaymasterV4	4.3.0	EIP-1167 代理	AOA 独立 Paymaster
GToken	2.0.0	ERC20	治理代币（2100 万上限，限量发行）
GTokenStaking	3.2.0	不可变	基于角色的质押 + 燃烧机制，DVT/治理惩罚
MySBT	3.1.3	ERC721（灵魂绑定）	身份 + 声誉，社区会员，SBT 门控赞助
xPNTsFactory	2.0.0	Clones	部署每社区 xPNTs Gas 代币
ReputationSystem	1.0.0	—	基于社区规则的声誉评分
BLSAggregator	1.0.0	—	BLS12-381 阈值签名聚合
DVTValidator	1.0.0	—	分布式验证者共识（7/13 拜占庭法定人数）

V5 特性

V5.1 — x402 精确结算

settleX402Payment() — EIP-3009 USDC 原生结算（节省 19% Gas）
settleX402PaymentDirect() — xPNTs 直接转账（工厂自动授权）

V5.2 — 微支付通道

MicroPaymentChannel 合约 — 开通/签名/结算流式会话
EIP-712 累计凭证签名 + 争议窗口

V5.3 — Agent 经济 (ERC-8004)

双通道资格：SBT 持有者或注册 AI Agent
AgentSponsorshipPolicy — 每运营商分级 BPS 费率 + 每日 USD 上限
声誉反馈闭环 + EIP-1153 瞬态存储优化

快速开始

# 克隆并初始化子模块
git clone https://github.com/AAStarCommunity/SuperPaymaster.git
cd SuperPaymaster && ./init-submoduel.sh

# 构建
forge build

# 运行所有测试（400+）
forge test

# 部署到本地 Anvil
./deploy-core anvil

# 部署到 Sepolia
./deploy-core sepolia

合约地址（Sepolia 测试网）

合约	代理地址	实现地址
Registry	`0xD88CF531...`	`0x84bB9e3C...`
SuperPaymaster	`0x829C3178...`	`0xf4d022Ea...`
ReputationSystem	—	`0x3384317D...`

EntryPoint v0.7: 0x0000000071727De22E5E9d8BAf0edAc6f37da032

完整地址见 deployments/config.sepolia.json

文档

架构与设计

合约架构 — 依赖图、数据结构、构造参数
UUPS 升级指南 — 存储布局、升级流程、安全分析
DVT + BLS 架构 — 去中心化验证者 & BLS 签名聚合
预言机降级机制 — Chainlink 降级 & DVT 切换
价格缓存技术参考 — 价格缓存实现
角色机制 — 角色配置、管理、退出费用
管理权限矩阵 — 管理操作权限
信用系统设计 — 用户信用/债务系统
合约版本映射 — 链上版本号 & 治理路线图

V5 设计与路线图

V5 设计文档 — _consumeCredit()、x402、ERC-8004 集成
V5 路线图 — 从 Gas 代付到 Agent Economy 的演进
V5 实施计划 — 16 周进度、Worktree 并行策略
V5.1 计划 — Agent-Native Gas & chargeMicroPayment()
V5.2 计划 — x402 Facilitator + MicroPaymentChannel
V5.3 计划 — ERC-8004 Agent Discovery + SKILL.md + CLI
V5 验收报告 — 功能验证 & 测试结果

研究

x402 生态研究 — Coinbase x402、Cloudflare Workers
Agent + x402 + 微支付研究 — Agent 经济 & 支付通道
Spores 协议设计 — 去中心化分润网络

开发者指南

开发者集成指南 — 无 Gas、x402、微支付场景
SDK E2E 场景指南 — 7 个完整用户场景
生态服务部署 — Operator 节点、Facilitator、Keeper
Registry v4.1 SDK 迁移 — 接口变更、viem 示例
部署指南 — Foundry Keystore 安全部署

用户指南

MySBT 用户指南 — 铸造和管理 SBT 代币
社区注册指南 — 注册你的社区
Paymaster 运营指南 — 运营 AOA/AOA+ Paymaster

API 参考

安全与审计

测试

Anvil 测试指南 — 本地环境
E2E 测试指南 — Sepolia 端到端测试
Gasless 测试指南 — 无 Gas 交易测试

安全

400+ Foundry 测试通过（含 UUPS 升级、V5 特性、模糊测试）
Echidna 属性测试
内部对抗性审查完成
外部审计待主网部署前完成

报告漏洞: jason@aastar.io 或 david@aastar.io

许可证

本项目使用 Apache 许可证 2.0 版（英文原版，具有法律效力）。
中文参考译本见 LICENSE-zh.md（非官方，不具法律效力）。
版权归属见 NOTICE。

Name		Name	Last commit message	Last commit date
Latest commit History 1,009 Commits
.githooks		.githooks
.github		.github
.vscode		.vscode
.well-known		.well-known
abis		abis
contracts		contracts
deployments		deployments
deprecated		deprecated
docs		docs
packages/x402-facilitator-node		packages/x402-facilitator-node
script		script
scripts		scripts
singleton-paymaster		singleton-paymaster
standards		standards
subgraph		subgraph
test-reports		test-reports
.env.example		.env.example
.gitattributes		.gitattributes
.gitignore		.gitignore
.gitmodules		.gitmodules
.solhint.json		.solhint.json
AGENTS.md		AGENTS.md
CLAUDE.md		CLAUDE.md
CODEOWNERS		CODEOWNERS
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE		LICENSE
LICENSE-zh.md		LICENSE-zh.md
NOTICE		NOTICE
README.md		README.md
SKILL.md		SKILL.md
TRADEMARK-zh.md		TRADEMARK-zh.md
TRADEMARK.md		TRADEMARK.md
audit-core		audit-core
compare_abis.js		compare_abis.js
deploy-core		deploy-core
deploy-sepolia.sh		deploy-sepolia.sh
echidna-all-contracts.yaml		echidna-all-contracts.yaml
echidna-long-run.yaml		echidna-long-run.yaml
echidna.yaml		echidna.yaml
foundry.lock		foundry.lock
foundry.toml		foundry.toml
init-submoduel.sh		init-submoduel.sh
kill-anvil.sh		kill-anvil.sh
optimism-setup.sh		optimism-setup.sh
optimism-setup2.sh		optimism-setup2.sh
prepare-test		prepare-test
run_full_regression.sh		run_full_regression.sh
slither.config.json		slither.config.json
sync_to_sdk.sh		sync_to_sdk.sh
verify-all.sh		verify-all.sh
version-check-onchain.sh		version-check-onchain.sh

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SuperPaymaster

What is SuperPaymaster?

Who is it for?

Payment Modes

Two Operating Modes

Architecture

Core Contracts

V5 Feature Highlights

AAStar Stack & Division of Labor

Security Architecture

Quick Start

Prerequisites

Build & Test

Deploy

Contract Addresses (Sepolia)

Documentation

Architecture & Design

V5 Design & Roadmap

Research

Developer Guides

User Guides

API References

Security & Audits

Testing

Repository Structure

Security

Contributing

Links

License

SuperPaymaster — 去中心化支付与 Gas 赞助基础设施

SuperPaymaster 是什么？

面向谁？

支付模式

双模式运营

核心合约

V5 特性

快速开始

合约地址（Sepolia 测试网）

文档

架构与设计

V5 设计与路线图

研究

开发者指南

用户指南

API 参考

安全与审计

测试

安全

许可证

About

Topics

Resources

License

Licenses found

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