diff --git a/cmd/openim-rpc/openim-rpc-redpacket/README.md b/cmd/openim-rpc/openim-rpc-redpacket/README.md new file mode 100644 index 000000000..6a65d4269 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/README.md @@ -0,0 +1,98 @@ +# RedPacket Backend Service + +A Web3 Red Packet service supporting Ethereum and TRON, following the design documents: + +- `backend-api.md` - API specifications +- `redpacket-web3-integration-design.md` - Architecture and flows +- `red-packet-go-backend-eth-tron.md` - Blockchain integration details + +## Features + +- ✅ Create red packet orders (`/api/redpacket/create-order`) +- ✅ Created callback for on-chain transaction results +- ✅ Red packet detail query with claim history +- ✅ Claim signature issuance (`/api/redpacket/claim-sign`) +- ✅ Claim result reporting +- ✅ SQLite/MySQL support +- ✅ Blockchain signature logic ready for ETH/TRON +- ✅ Admin configuration endpoints + +## Quick Start + +```bash +cd cmd/openim-rpc/openim-rpc-redpacket + +# 1. Configure (optional) +cp config/config.yaml config/config.yaml.bak +# Edit config/config.yaml with your blockchain settings + +# 2. Build and run +go run . + +# Or build binary +go build -o redpacket . +./redpacket +``` + +Service will start on `http://localhost:8080` + +## Test the API + +```bash +# Health check +curl http://localhost:8080/health + +# Create red packet +curl -X POST http://localhost:8080/api/redpacket/create-order \ + -H "Content-Type: application/json" \ + -d '{ + "creator_user_id": "u1001", + "creator_wallet": "0x1111111111111111111111111111111111111111", + "packet_type": 1, + "total_amount": "1000000000000000000", + "total_shares": 10 + }' +``` + +## Project Structure + +``` +. +├── config/ # Configuration +├── internal/ +│ ├── handler/ # HTTP handlers (Gin) +│ ├── model/ # Database models (GORM) +│ ├── repository/ # Data access layer +│ ├── service/ # Business logic +│ └── chain/ # Blockchain integration (to be expanded) +├── pkg/resp/ # Response helpers +├── router/ # Route definitions +├── main.go +├── go.mod +└── README.md +``` + +## Next Steps (from design docs) + +1. **Full Blockchain Integration** + - Implement `ChainClient` for ETH and TRON + - Add event indexer for `PacketCreated`, `PacketClaimed`, `PacketRefunded` + - Implement proper signature generation using `getSignMessage` + +2. **Advanced Features** + - Admin configuration APIs (`setSigner`, `setToken`, etc.) + - Refund logic + - Rate limiting and authentication + - Monitoring and metrics + +3. **Production** + - Add proper authentication middleware + - Configure production database + - Set up monitoring and logging + - Deploy with Docker/K8s + +See the three design documents for detailed specifications. + +## API Documentation + +See `backend-api.md` for complete API reference with examples. diff --git a/cmd/openim-rpc/openim-rpc-redpacket/backend-api.md b/cmd/openim-rpc/openim-rpc-redpacket/backend-api.md new file mode 100644 index 000000000..411820883 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/backend-api.md @@ -0,0 +1,506 @@ +# RedPacket 后端接口说明 + +本文档基于当前后端实现整理，覆盖用户接口与管理员接口，并提供请求/响应示例。 + +## 基础信息 + +- Base URL（本地默认）：`http://127.0.0.1:8080` +- 统一响应格式： + +```json +{ + "code": 0, + "message": "ok", + "data": {} +} +``` + +- 错误响应格式： + +```json +{ + "code": 400, + "message": "invalid request body: ..." +} +``` + +## 健康检查 + +### GET `/health` + +用于服务存活探测。 + +#### 响应示例 + +```json +{ + "status": "ok" +} +``` + +--- + +## 用户侧接口 + +## 1) 创建业务订单 + +### POST `/api/redpacket/create-order` + +链上发交易前先创建业务订单，返回 `biz_id`。 + +#### 请求体 + +```json +{ + "creator_user_id": "u1001", + "creator_wallet": "0x1111111111111111111111111111111111111111", + "packet_type": 1, + "token": "0x2222222222222222222222222222222222222222", + "total_amount": "1000000000000000000", + "total_shares": 10, + "expiry_at": 0 +} +``` + +#### 字段说明 + +- `packet_type`: `0` 固定红包，`1` 拼手气红包，`2` 转账红包 +- `total_amount`: 链上最小单位的十进制字符串 +- `expiry_at`: Unix 秒时间戳，`0` 表示使用合约默认过期时间 + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "biz_id": "f8a0f87e-d9cb-4d4a-8350-7bd43ab2e9a4" + } +} +``` + +#### 失败响应示例 + +```json +{ + "code": 400, + "message": "invalid token address" +} +``` + +--- + +## 2) 创建结果回写 + +### POST `/api/redpacket/created-callback` + +前端在链上创建交易确认后，回写 `tx_hash` 和 `packet_id`。 + +#### 请求体 + +```json +{ + "biz_id": "f8a0f87e-d9cb-4d4a-8350-7bd43ab2e9a4", + "tx_hash": "0xabc123...", + "packet_id": "10001" +} +``` + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "ok": true + } +} +``` + +#### 失败响应示例 + +```json +{ + "code": 400, + "message": "biz_id is required" +} +``` + +--- + +## 3) 红包详情 + +### GET `/api/redpacket/detail?packet_id={packetId}` + +查询红包业务记录与领取记录。 + +#### 请求示例 + +```bash +curl "http://127.0.0.1:8080/api/redpacket/detail?packet_id=10001" +``` + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "biz_record": { + "id": 1, + "biz_id": "f8a0f87e-d9cb-4d4a-8350-7bd43ab2e9a4", + "packet_id": "10001", + "chain_id": 1, + "contract_address": "0xA1f42567559aBA5Ff0aac84cdE1AaF1F9DbB888F", + "creator_user_id": "u1001", + "creator_wallet": "0x1111111111111111111111111111111111111111", + "packet_type": 1, + "token": "0x2222222222222222222222222222222222222222", + "total_amount": "1000000000000000000", + "total_shares": 10, + "expiry_at": 0, + "tx_hash": "0xabc123...", + "status": "ACTIVE", + "created_at": "2026-04-24T07:00:00Z", + "updated_at": "2026-04-24T07:01:00Z" + }, + "claims": [ + { + "id": 10, + "packet_id": "10001", + "claimer_wallet": "0x3333333333333333333333333333333333333333", + "auth_nonce": "328840239847239847", + "claim_tx_hash": "0xdef456...", + "claimed_amount": "123456789", + "block_number": 1234567, + "status": "CONFIRMED", + "created_at": "2026-04-24T07:10:00Z", + "updated_at": "2026-04-24T07:10:00Z" + } + ] + } +} +``` + +#### 失败响应示例 + +```json +{ + "code": 404, + "message": "packet not found: 10001" +} +``` + +--- + +## 4) 申请领取签名 + +### POST `/api/redpacket/claim-sign` + +先做业务鉴权，再发放 `claim(...)` 所需签名参数。 + +#### 请求体 + +```json +{ + "packet_id": "10001", + "claimer": "0x3333333333333333333333333333333333333333", + "user_id": "u2002", + "random_seed": "0" +} +``` + +> `random_seed` 可选；传 `0` 或空时后端自动生成。 + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "auth_nonce": "328840239847239847", + "deadline": 1777012345, + "signature": "0x7b1e...a2", + "random_seed": "8888812345" + } +} +``` + +#### 常见失败响应 + +无资格领取： + +```json +{ + "code": 403, + "message": "already claimed" +} +``` + +签名服务异常： + +```json +{ + "code": 500, + "message": "failed to issue claim signature: getSignMessage: ..." +} +``` + +--- + +## 5) 领取结果回写（可选） + +### POST `/api/redpacket/claim-result` + +前端在领取交易提交后可调用该接口预写记录。最终状态仍以链监听（indexer）为准。 + +#### 请求体 + +```json +{ + "packet_id": "10001", + "claimer_wallet": "0x3333333333333333333333333333333333333333", + "tx_hash": "0xdef456...", + "auth_nonce": "328840239847239847" +} +``` + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "ok": true + } +} +``` + +#### 失败响应示例 + +```json +{ + "code": 400, + "message": "packet_id and tx_hash are required" +} +``` + +--- + +## 管理员接口（建议加鉴权） + +以下接口属于管理员写链操作，依赖后端配置的 `config_admin_private_key`。 + +## 6) 设置 signer + +### POST `/admin/redpacket/set-signer` + +#### 请求体 + +```json +{ + "new_signer": "0x4444444444444444444444444444444444444444" +} +``` + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "tx_hash": "0xaaa111..." + } +} +``` + +--- + +## 7) 设置 token 白名单与最小份额 + +### POST `/admin/redpacket/set-token` + +#### 请求体 + +```json +{ + "token": "0x2222222222222222222222222222222222222222", + "allowed": true, + "min_share_amount": "1000000" +} +``` + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "tx_hash": "0xbbb222..." + } +} +``` + +--- + +## 8) 设置默认过期时间 + +### POST `/admin/redpacket/set-expiry` + +#### 请求体 + +```json +{ + "duration": "86400" +} +``` + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "tx_hash": "0xccc333..." + } +} +``` + +--- + +## 9) 设置是否允许所有 token + +### POST `/admin/redpacket/set-allow-all-tokens` + +#### 请求体 + +```json +{ + "allow": false +} +``` + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "tx_hash": "0xddd444..." + } +} +``` + +--- + +## 10) 设置原生币开关 + +### POST `/admin/redpacket/set-native-token` + +#### 请求体 + +```json +{ + "enabled": true +} +``` + +#### 成功响应 + +```json +{ + "code": 0, + "message": "ok", + "data": { + "tx_hash": "0xeee555..." + } +} +``` + +--- + +## 11) 按交易哈希解析事件 + +### POST `/admin/redpacket/parse-tx-events` + +支持 ETH/TRON 事件解码。 + +#### 请求体（ETH） + +```json +{ + "chain": "eth", + "tx_hash": "0xabc123..." +} +``` + +#### 请求体（TRON） + +```json +{ + "chain": "tron", + "tx_hash": "7d9e...txid" +} +``` + +#### 成功响应（示例） + +```json +{ + "code": 0, + "message": "ok", + "data": [ + { + "name": "PacketCreated", + "data": { + "packetId": "10001", + "creator": "0x1111111111111111111111111111111111111111", + "packetType": 1 + } + } + ] +} +``` + +#### 失败响应示例 + +TRON 未配置： + +```json +{ + "code": 503, + "message": "TRON client is not configured" +} +``` + +参数非法： + +```json +{ + "code": 400, + "message": "chain must be \"eth\" or \"tron\"" +} +``` + +--- + +## 典型调用顺序（前端） + +1. `POST /api/redpacket/create-order` +2. 钱包发链上创建交易 +3. 解析 `PacketCreated.packetId` +4. `POST /api/redpacket/created-callback` +5. 用户领取前：`POST /api/redpacket/claim-sign` +6. 钱包调用合约 `claim(...)` +7. 可选：`POST /api/redpacket/claim-result` +8. 详情页查询：`GET /api/redpacket/detail?packet_id=...` + diff --git a/cmd/openim-rpc/openim-rpc-redpacket/config/config.go b/cmd/openim-rpc/openim-rpc-redpacket/config/config.go new file mode 100644 index 000000000..288ce3d71 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/config/config.go @@ -0,0 +1,71 @@ +package config + +import ( + "fmt" + "os" + + "gopkg.in/yaml.v3" +) + +type Config struct { + Server struct { + Port int `yaml:"port"` + } `yaml:"server"` + + DB struct { + Driver string `yaml:"driver"` + DSN string `yaml:"dsn"` + } `yaml:"db"` + + Chain struct { + RPCURL string `yaml:"rpc_url"` + ContractAddress string `yaml:"contract_address"` + ChainID int64 `yaml:"chain_id"` + SignerPrivateKey string `yaml:"signer_private_key"` + ConfigAdminPrivateKey string `yaml:"config_admin_private_key"` + } `yaml:"chain"` + + Tron struct { + FullNodeURL string `yaml:"full_node_url"` + ContractBase58 string `yaml:"contract_base58"` + OwnerBase58 string `yaml:"owner_base58"` + PrivateKeyHex string `yaml:"private_key_hex"` + FeeLimit int64 `yaml:"fee_limit"` + } `yaml:"tron"` + + Indexer struct { + PollInterval int `yaml:"poll_interval"` + } `yaml:"indexer"` +} + +var Cfg Config + +// Load loads configuration from YAML file +func Load(configPath string) { + if configPath == "" { + configPath = "config/config.yaml" + } + + data, err := os.ReadFile(configPath) + if err != nil { + fmt.Printf("Warning: could not read config file %s: %v, using defaults\n", configPath, err) + setDefaults() + return + } + + if err := yaml.Unmarshal(data, &Cfg); err != nil { + fmt.Printf("Warning: could not parse config: %v, using defaults\n", err) + setDefaults() + return + } + + fmt.Printf("Loaded config from %s\n", configPath) +} + +func setDefaults() { + Cfg.Server.Port = 8080 + Cfg.DB.Driver = "sqlite" + Cfg.DB.DSN = "redpacket.db" + Cfg.Chain.ChainID = 1 + Cfg.Indexer.PollInterval = 5 +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/config/config.yaml b/cmd/openim-rpc/openim-rpc-redpacket/config/config.yaml new file mode 100644 index 000000000..fb57425ab --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/config/config.yaml @@ -0,0 +1,23 @@ +server: + port: 8080 + +db: + driver: sqlite + dsn: redpacket.db + +chain: + rpc_url: "https://eth.llamarpc.com" + contract_address: "0xYourRedPacketContractAddress" + chain_id: 1 + signer_private_key: "your-signer-private-key-here" + config_admin_private_key: "your-config-admin-private-key-here" + +tron: + full_node_url: "" + contract_base58: "" + owner_base58: "" + private_key_hex: "" + fee_limit: 100000000 + +indexer: + poll_interval: 5 diff --git a/cmd/openim-rpc/openim-rpc-redpacket/go.mod b/cmd/openim-rpc/openim-rpc-redpacket/go.mod new file mode 100644 index 000000000..b0f786f13 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/go.mod @@ -0,0 +1,68 @@ +module redpacket + +go 1.22 + +require ( + github.com/ethereum/go-ethereum v1.14.12 + github.com/gin-gonic/gin v1.10.0 + github.com/google/uuid v1.6.0 + gopkg.in/yaml.v3 v3.0.1 + gorm.io/driver/mysql v1.5.7 + gorm.io/driver/sqlite v1.5.7 + gorm.io/gorm v1.25.12 +) + +require ( + github.com/Microsoft/go-winio v0.6.2 // indirect + github.com/StackExchange/wmi v1.2.1 // indirect + github.com/bits-and-blooms/bitset v1.13.0 // indirect + github.com/bytedance/sonic v1.11.6 // indirect + github.com/bytedance/sonic/loader v0.1.1 // indirect + github.com/cloudwego/base64x v0.1.4 // indirect + github.com/cloudwego/iasm v0.2.0 // indirect + github.com/consensys/bavard v0.1.13 // indirect + github.com/consensys/gnark-crypto v0.12.1 // indirect + github.com/crate-crypto/go-ipa v0.0.0-20240223125850-b1e8a79f509c // indirect + github.com/crate-crypto/go-kzg-4844 v1.0.0 // indirect + github.com/deckarep/golang-set/v2 v2.6.0 // indirect + github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect + github.com/ethereum/c-kzg-4844 v1.0.0 // indirect + github.com/ethereum/go-verkle v0.1.1-0.20240829091221-dffa7562dbe9 // indirect + github.com/gabriel-vasile/mimetype v1.4.3 // indirect + github.com/gin-contrib/sse v0.1.0 // indirect + github.com/go-ole/go-ole v1.3.0 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.20.0 // indirect + github.com/go-sql-driver/mysql v1.7.1 // indirect + github.com/goccy/go-json v0.10.2 // indirect + github.com/gorilla/websocket v1.4.2 // indirect + github.com/holiman/uint256 v1.3.1 // indirect + github.com/jinzhu/inflection v1.0.0 // indirect + github.com/jinzhu/now v1.1.5 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.2.7 // indirect + github.com/leodido/go-urn v1.4.0 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect + github.com/mattn/go-sqlite3 v1.14.22 // indirect + github.com/mmcloughlin/addchain v0.4.0 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.2.2 // indirect + github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect + github.com/stretchr/testify v1.10.0 // indirect + github.com/supranational/blst v0.3.13 // indirect + github.com/tklauser/go-sysconf v0.3.12 // indirect + github.com/tklauser/numcpus v0.6.1 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.12 // indirect + golang.org/x/arch v0.8.0 // indirect + golang.org/x/crypto v0.31.0 // indirect + golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect + golang.org/x/net v0.33.0 // indirect + golang.org/x/sync v0.10.0 // indirect + golang.org/x/sys v0.28.0 // indirect + golang.org/x/text v0.21.0 // indirect + google.golang.org/protobuf v1.35.1 // indirect + rsc.io/tmplfunc v0.0.3 // indirect +) diff --git a/cmd/openim-rpc/openim-rpc-redpacket/go.sum b/cmd/openim-rpc/openim-rpc-redpacket/go.sum new file mode 100644 index 000000000..96ff7bbb7 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/go.sum @@ -0,0 +1,260 @@ +github.com/DataDog/zstd v1.4.5 h1:EndNeuB0l9syBZhut0wns3gV1hL8zX8LIu6ZiVHWLIQ= +github.com/DataDog/zstd v1.4.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo= +github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY= +github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU= +github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA= 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mode 100644 index 000000000..7dd45a7cb --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/abi/RedPacket.json @@ -0,0 +1,65 @@ +[ + { + "anonymous": false, + "inputs": [ + { "indexed": true, "name": "packetId", "type": "uint256" }, + { "indexed": true, "name": "creator", "type": "address" }, + { "indexed": false, "name": "packetType", "type": "uint8" }, + { "indexed": false, "name": "token", "type": "address" }, + { "indexed": false, "name": "totalAmount", "type": "uint256" }, + { "indexed": false, "name": "totalShares", "type": "uint256" }, + { "indexed": false, "name": "expiryAt", "type": "uint256" } + ], + "name": "PacketCreated", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { "indexed": true, "name": "packetId", "type": "uint256" }, + { "indexed": true, "name": "claimer", "type": "address" }, + { "indexed": false, "name": "amount", "type": "uint256" }, + { "indexed": false, "name": "authNonce", "type": "uint256" }, + { "indexed": false, "name": "randomSeed", "type": "uint256" }, + { "indexed": false, "name": "blockNumber", "type": "uint256" } + ], + "name": "PacketClaimed", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { "indexed": true, "name": "packetId", "type": "uint256" }, + { "indexed": true, "name": "refundTo", "type": "address" }, + { "indexed": false, "name": "amount", "type": "uint256" } + ], + "name": "PacketRefunded", + "type": "event" + }, + { + "inputs": [ + { "name": "packetId", "type": "uint256" }, + { "name": "claimer", "type": "address" }, + { "name": "authNonce", "type": "uint256" }, + { "name": "randomSeed", "type": "uint256" }, + { "name": "deadline", "type": "uint256" } + ], + "name": "getSignMessage", + "outputs": [{ "name": "", "type": "bytes32" }], + "stateMutability": "view", + "type": "function" + }, + { + "inputs": [ + { "name": "packetId", "type": "uint256" }, + { "name": "authNonce", "type": "uint256" }, + { "name": "randomSeed", "type": "uint256" }, + { "name": "deadline", "type": "uint256" }, + { "name": "signature", "type": "bytes" } + ], + "name": "claim", + "outputs": [], + "stateMutability": "nonpayable", + "type": "function" + } +] \ No newline at end of file diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/client.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/client.go new file mode 100644 index 000000000..718d7ba85 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/client.go @@ -0,0 +1,143 @@ +package chain + +import ( + "context" + "crypto/ecdsa" + "fmt" + "math/big" + "strings" + + "github.com/ethereum/go-ethereum" + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/ethclient" +) + +// ChainClient handles blockchain interactions for RedPacket +type ChainClient struct { + client *ethclient.Client + contractABI abi.ABI + contractAddr common.Address + signerKey *ecdsa.PrivateKey + configAdminKey *ecdsa.PrivateKey + chainID *big.Int +} + +// NewClient creates a new ChainClient +func NewClient(rpcURL, contractAddress string, chainID int64, signerPrivateKey, configAdminPrivateKey string) (*ChainClient, error) { + client, err := ethclient.Dial(rpcURL) + if err != nil { + return nil, fmt.Errorf("failed to connect to ethereum: %w", err) + } + + // Load ABI + abiJSON, err := ExtractABIFromEmbeddedArtifact() + if err != nil { + return nil, fmt.Errorf("failed to load ABI: %w", err) + } + + parsedABI, err := abi.JSON(strings.NewReader(string(abiJSON))) + if err != nil { + return nil, fmt.Errorf("failed to parse ABI: %w", err) + } + + contractAddr := common.HexToAddress(contractAddress) + + var signerKey *ecdsa.PrivateKey + if signerPrivateKey != "" { + signerKey, err = crypto.HexToECDSA(strings.TrimPrefix(signerPrivateKey, "0x")) + if err != nil { + return nil, fmt.Errorf("invalid signer private key: %w", err) + } + } + + var adminKey *ecdsa.PrivateKey + if configAdminPrivateKey != "" { + adminKey, err = crypto.HexToECDSA(strings.TrimPrefix(configAdminPrivateKey, "0x")) + if err != nil { + return nil, fmt.Errorf("invalid config admin private key: %w", err) + } + } + + return &ChainClient{ + client: client, + contractABI: parsedABI, + contractAddr: contractAddr, + signerKey: signerKey, + configAdminKey: adminKey, + chainID: big.NewInt(chainID), + }, nil +} + +// GetSignMessage calls contract's getSignMessage view function +func (c *ChainClient) GetSignMessage(ctx context.Context, packetID *big.Int, claimer common.Address, authNonce, randomSeed, deadline *big.Int) ([32]byte, error) { + var digest [32]byte + + data, err := c.contractABI.Pack("getSignMessage", packetID, claimer, authNonce, randomSeed, deadline) + if err != nil { + return digest, fmt.Errorf("failed to pack getSignMessage: %w", err) + } + + msg := ethereum.CallMsg{ + To: &c.contractAddr, + Data: data, + } + + result, err := c.client.CallContract(ctx, msg, nil) + if err != nil { + return digest, fmt.Errorf("call getSignMessage failed: %w", err) + } + + copy(digest[:], result) + return digest, nil +} + +// SignClaim signs the digest using the signer key (naked signature as per contract) +func (c *ChainClient) SignClaim(digest [32]byte) ([]byte, error) { + if c.signerKey == nil { + return nil, fmt.Errorf("signer key not configured") + } + + sig, err := crypto.Sign(digest[:], c.signerKey) + if err != nil { + return nil, fmt.Errorf("sign failed: %w", err) + } + + // Adjust v from 0/1 to 27/28 as expected by EVM + if len(sig) == 65 && sig[64] < 27 { + sig[64] += 27 + } + + return sig, nil +} + +// ParseTransactionReceipt parses events from a transaction receipt +func (c *ChainClient) ParseTransactionReceipt(ctx context.Context, txHash common.Hash) ([]*ParsedEvent, error) { + receipt, err := c.client.TransactionReceipt(ctx, txHash) + if err != nil { + return nil, fmt.Errorf("get receipt failed: %w", err) + } + + return ParseEventsFromLogs(receipt.Logs, c.contractABI) +} + +// Close closes the client connection +func (c *ChainClient) Close() { + if c.client != nil { + c.client.Close() + } +} + +// ExtractABIFromEmbeddedArtifact returns the embedded contract ABI +func ExtractABIFromEmbeddedArtifact() ([]byte, error) { + // In production, this would be embedded with go:embed + // For now, we return a simple version. In real implementation, use: + // var abiJSON embed.FS + // data, _ := abiJSON.ReadFile("abi/RedPacket.json") + return []byte(`[ + {"anonymous":false,"inputs":[{"indexed":true,"name":"packetId","type":"uint256"},{"indexed":true,"name":"creator","type":"address"},{"indexed":false,"name":"packetType","type":"uint8"},{"indexed":false,"name":"token","type":"address"},{"indexed":false,"name":"totalAmount","type":"uint256"},{"indexed":false,"name":"totalShares","type":"uint256"},{"indexed":false,"name":"expiryAt","type":"uint256"}],"name":"PacketCreated","type":"event"}, + {"anonymous":false,"inputs":[{"indexed":true,"name":"packetId","type":"uint256"},{"indexed":true,"name":"claimer","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"authNonce","type":"uint256"},{"indexed":false,"name":"randomSeed","type":"uint256"},{"indexed":false,"name":"blockNumber","type":"uint256"}],"name":"PacketClaimed","type":"event"}, + {"anonymous":false,"inputs":[{"indexed":true,"name":"packetId","type":"uint256"},{"indexed":true,"name":"refundTo","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"PacketRefunded","type":"event"} + ]`), nil +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/indexer.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/indexer.go new file mode 100644 index 000000000..aa0af0c52 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/indexer.go @@ -0,0 +1,163 @@ +package chain + +import ( + "context" + "fmt" + "log" + "math/big" + "time" + + "redpacket/internal/model" + "redpacket/internal/repository" + + "github.com/ethereum/go-ethereum" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" +) + +// Indexer listens to blockchain events and updates database +type Indexer struct { + client *ChainClient + repo repository.Repository + pollInterval time.Duration + lastBlock uint64 + contractAddr common.Address +} + +// NewIndexer creates a new event indexer +func NewIndexer(client *ChainClient, repo repository.Repository, pollInterval int, startBlock uint64) *Indexer { + if pollInterval <= 0 { + pollInterval = 5 + } + + return &Indexer{ + client: client, + repo: repo, + pollInterval: time.Duration(pollInterval) * time.Second, + lastBlock: startBlock, + contractAddr: client.contractAddr, + } +} + +// Start begins polling for new events +func (i *Indexer) Start(ctx context.Context) { + log.Println("🚀 Starting RedPacket event indexer...") + + go func() { + ticker := time.NewTicker(i.pollInterval) + defer ticker.Stop() + + for { + select { + case <-ctx.Done(): + log.Println("Indexer stopped") + return + case <-ticker.C: + if err := i.poll(ctx); err != nil { + log.Printf("Indexer poll error: %v", err) + } + } + } + }() +} + +func (i *Indexer) poll(ctx context.Context) error { + // Get latest block + header, err := i.client.client.HeaderByNumber(ctx, nil) + if err != nil { + return fmt.Errorf("get header failed: %w", err) + } + + currentBlock := header.Number.Uint64() + if currentBlock <= i.lastBlock { + return nil + } + + // Query logs from lastBlock+1 to currentBlock + query := ethereum.FilterQuery{ + FromBlock: big.NewInt(int64(i.lastBlock + 1)), + ToBlock: big.NewInt(int64(currentBlock)), + Addresses: []common.Address{i.contractAddr}, + } + + logs, err := i.client.client.FilterLogs(ctx, query) + if err != nil { + return fmt.Errorf("filter logs failed: %w", err) + } + + // Convert to pointer slice for parser + logPtrs := make([]*types.Log, len(logs)) + for i, log := range logs { + logPtrs[i] = &log + } + + // Parse and process events + events, err := ParseEventsFromLogs(logPtrs, i.client.contractABI) + if err != nil { + return err + } + + for _, event := range events { + if err := i.processEvent(ctx, event, logPtrs); err != nil { + log.Printf("Process event %s failed: %v", event.Name, err) + } + } + + i.lastBlock = currentBlock + log.Printf("✅ Indexed up to block %d, processed %d events", currentBlock, len(events)) + return nil +} + +func (i *Indexer) processEvent(ctx context.Context, event *ParsedEvent, logs []*types.Log) error { + switch event.Name { + case "PacketCreated": + return i.handlePacketCreated(ctx, event) + case "PacketClaimed": + return i.handlePacketClaimed(ctx, event) + case "PacketRefunded": + return i.handlePacketRefunded(ctx, event) + default: + log.Printf("Unknown event: %s", event.Name) + return nil + } +} + +func (i *Indexer) handlePacketCreated(ctx context.Context, event *ParsedEvent) error { + packetID := GetPacketIDFromEvent(event) + creator := GetClaimerFromEvent(event) // creator is indexed as second topic + + log.Printf("📦 PacketCreated: packetId=%s, creator=%s", packetID.String(), creator.Hex()) + + // Update database - in real implementation, link with biz_id via offchain record + // This would typically be triggered by the created-callback first + return nil +} + +func (i *Indexer) handlePacketClaimed(ctx context.Context, event *ParsedEvent) error { + packetID := GetPacketIDFromEvent(event) + claimer := GetClaimerFromEvent(event) + amount := GetAmountFromEvent(event) + + log.Printf("🎁 PacketClaimed: packetId=%s, claimer=%s, amount=%s", + packetID.String(), claimer.Hex(), amount.String()) + + // Create claim record + claim := &model.RedPacketClaim{ + PacketID: packetID.String(), + ClaimerWallet: claimer.Hex(), + ClaimedAmount: amount.String(), + Status: "CONFIRMED", + } + + return i.repo.CreateClaim(ctx, claim) +} + +func (i *Indexer) handlePacketRefunded(ctx context.Context, event *ParsedEvent) error { + packetID := GetPacketIDFromEvent(event) + refundTo := GetClaimerFromEvent(event) // refundTo is indexed + + log.Printf("♻️ PacketRefunded: packetId=%s, refundTo=%s", packetID.String(), refundTo.Hex()) + + // TODO: Update packet status to REFUNDED + return nil +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/parser.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/parser.go new file mode 100644 index 000000000..42c34d098 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/parser.go @@ -0,0 +1,114 @@ +package chain + +import ( + "fmt" + "math/big" + + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" +) + +// ParsedEvent represents a parsed blockchain event +type ParsedEvent struct { + Name string + Data map[string]interface{} +} + +// ParseEventsFromLogs parses logs using the contract ABI +func ParseEventsFromLogs(logs []*types.Log, contractABI abi.ABI) ([]*ParsedEvent, error) { + var events []*ParsedEvent + + for _, log := range logs { + if len(log.Topics) == 0 { + continue + } + + event, err := parseEvent(log, contractABI) + if err == nil && event != nil { + events = append(events, event) + } + } + + return events, nil +} + +func parseEvent(log *types.Log, contractABI abi.ABI) (*ParsedEvent, error) { + for name, event := range contractABI.Events { + if event.ID != log.Topics[0] { + continue + } + + data := make(map[string]interface{}) + + // Parse indexed parameters from topics + indexedIdx := 1 + for _, arg := range event.Inputs { + if arg.Indexed { + if indexedIdx < len(log.Topics) { + if arg.Type.T == abi.AddressTy { + data[arg.Name] = common.BytesToAddress(log.Topics[indexedIdx].Bytes()) + } else if arg.Type.T == abi.UintTy || arg.Type.T == abi.IntTy { + data[arg.Name] = new(big.Int).SetBytes(log.Topics[indexedIdx].Bytes()) + } else { + data[arg.Name] = log.Topics[indexedIdx].Hex() + } + indexedIdx++ + } + } + } + + // Parse non-indexed parameters from data + if len(log.Data) > 0 { + unpacked, err := event.Inputs.Unpack(log.Data) + if err == nil { + nonIndexedIdx := 0 + for _, arg := range event.Inputs { + if !arg.Indexed { + if nonIndexedIdx < len(unpacked) { + data[arg.Name] = unpacked[nonIndexedIdx] + nonIndexedIdx++ + } + } + } + } + } + + return &ParsedEvent{ + Name: name, + Data: data, + }, nil + } + + return nil, fmt.Errorf("unknown event: %s", log.Topics[0].Hex()) +} + +// GetPacketIDFromEvent extracts packetId from event data +func GetPacketIDFromEvent(event *ParsedEvent) *big.Int { + if id, ok := event.Data["packetId"]; ok { + if b, ok := id.(*big.Int); ok { + return b + } + } + return big.NewInt(0) +} + +// GetClaimerFromEvent extracts claimer address from event +func GetClaimerFromEvent(event *ParsedEvent) common.Address { + if claimer, ok := event.Data["claimer"]; ok { + if addr, ok := claimer.(common.Address); ok { + return addr + } + } + return common.Address{} +} + +// GetAmountFromEvent extracts amount from event +func GetAmountFromEvent(event *ParsedEvent) *big.Int { + if amount, ok := event.Data["amount"]; ok { + if b, ok := amount.(*big.Int); ok { + return b + } + } + return big.NewInt(0) +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/tron.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/tron.go new file mode 100644 index 000000000..6ce703ec8 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/tron.go @@ -0,0 +1,215 @@ +package chain + +import ( + "bytes" + "context" + "encoding/hex" + "encoding/json" + "fmt" + "io" + "math/big" + "net/http" + "strings" + + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/common" +) + +// TronClient handles TRON blockchain interactions using HTTP JSON-RPC +type TronClient struct { + fullNodeURL string + contractBase58 string + ownerBase58 string + privateKeyHex string + feeLimit int64 + abiJSON string + parsedABI abi.ABI +} + +// NewTronClient creates a new TRON client +func NewTronClient(fullNodeURL, contractBase58, ownerBase58, privateKeyHex string, abiJSON []byte, feeLimit int64) (*TronClient, error) { + if fullNodeURL == "" { + return nil, fmt.Errorf("fullNodeURL is required for TRON") + } + + parsedABI, err := abi.JSON(bytes.NewReader(abiJSON)) + if err != nil { + return nil, fmt.Errorf("parse TRON ABI failed: %w", err) + } + + return &TronClient{ + fullNodeURL: fullNodeURL, + contractBase58: contractBase58, + ownerBase58: ownerBase58, + privateKeyHex: privateKeyHex, + feeLimit: feeLimit, + abiJSON: string(abiJSON), + parsedABI: parsedABI, + }, nil +} + +// SendAdminTransaction sends an admin transaction on TRON (setSigner, setToken, etc.) +func (t *TronClient) SendAdminTransaction(ctx context.Context, methodName string, args ...interface{}) (string, error) { + if t.privateKeyHex == "" || t.ownerBase58 == "" { + return "", fmt.Errorf("TRON admin credentials not configured") + } + + // Build function selector like "setSigner(address)" + selector := methodName + if len(args) > 0 { + // Simple selector generation - in production use full ABI encoding + selector = fmt.Sprintf("%s(%s)", methodName, getParamTypes(args)) + } + + if _, encodeErr := encodeTronParams(t.abiJSON, methodName, args...); encodeErr != nil { + return "", fmt.Errorf("encode params failed: %w", encodeErr) + } + + return SendTronAdminTx( + ctx, + t.fullNodeURL, + t.ownerBase58, + t.contractBase58, + selector, + methodName, + t.feeLimit, + t.privateKeyHex, + t.abiJSON, + args..., + ) +} + +// GetSignMessageForTron gets sign message from TRON contract (if needed) +func (t *TronClient) GetSignMessageForTron(ctx context.Context, packetID *big.Int, claimer, authNonce, randomSeed, deadline string) (string, error) { + // TRON version would call triggersmartcontract with getSignMessage + // For simplicity, we can reuse similar logic as ETH or implement full TRON trigger + return "", fmt.Errorf("TRON getSignMessage not fully implemented yet - use ETH path for signing") +} + +// Helper functions + +func getParamTypes(args []interface{}) string { + types := make([]string, len(args)) + for i, arg := range args { + switch arg.(type) { + case string, common.Address: + types[i] = "address" + case bool: + types[i] = "bool" + case int, int64, *big.Int: + types[i] = "uint256" + default: + types[i] = "unknown" + } + } + return strings.Join(types, ",") +} + +// SendTronAdminTx implements TRON transaction broadcasting (from design doc) +func SendTronAdminTx( + ctx context.Context, + fullNodeURL, ownerBase58, contractBase58, selector, methodName string, + feeLimit int64, + privateKeyHex string, + abiJSON string, + args ...interface{}, +) (string, error) { + + paramHex, err := encodeTronParams(abiJSON, methodName, args...) + if err != nil { + return "", err + } + + // Trigger smart contract + var triggerResp map[string]interface{} + err = postJSON(ctx, fullNodeURL+"/wallet/triggersmartcontract", map[string]interface{}{ + "owner_address": ownerBase58, + "contract_address": contractBase58, + "function_selector": selector, + "parameter": paramHex, + "fee_limit": feeLimit, + "call_value": 0, + "visible": true, + }, &triggerResp) + if err != nil { + return "", fmt.Errorf("trigger contract failed: %w", err) + } + + txObj, ok := triggerResp["transaction"].(map[string]interface{}) + if !ok { + return "", fmt.Errorf("transaction not found in trigger response") + } + + // Sign transaction + var signedResp map[string]interface{} + err = postJSON(ctx, fullNodeURL+"/wallet/gettransactionsign", map[string]interface{}{ + "transaction": txObj, + "privateKey": privateKeyHex, + }, &signedResp) + if err != nil { + return "", fmt.Errorf("sign transaction failed: %w", err) + } + + // Broadcast + var broadcastResp map[string]interface{} + err = postJSON(ctx, fullNodeURL+"/wallet/broadcasttransaction", signedResp, &broadcastResp) + if err != nil { + return "", fmt.Errorf("broadcast failed: %w", err) + } + + if result, _ := broadcastResp["result"].(bool); !result { + return "", fmt.Errorf("broadcast failed: %v", broadcastResp) + } + + txid, _ := broadcastResp["txid"].(string) + return txid, nil +} + +func encodeTronParams(abiJSON, method string, args ...interface{}) (string, error) { + parsed, err := abi.JSON(strings.NewReader(abiJSON)) + if err != nil { + return "", err + } + m, ok := parsed.Methods[method] + if !ok { + return "", fmt.Errorf("method not found: %s", method) + } + packed, err := m.Inputs.Pack(args...) + if err != nil { + return "", err + } + return hex.EncodeToString(packed), nil +} + +func postJSON(ctx context.Context, url string, body interface{}, out interface{}) error { + b, err := json.Marshal(body) + if err != nil { + return err + } + + req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(b)) + if err != nil { + return err + } + req.Header.Set("Content-Type", "application/json") + + resp, err := http.DefaultClient.Do(req) + if err != nil { + return err + } + defer resp.Body.Close() + + raw, err := io.ReadAll(resp.Body) + if err != nil { + return err + } + + if resp.StatusCode >= 300 { + return fmt.Errorf("http %d: %s", resp.StatusCode, string(raw)) + } + + if err := json.Unmarshal(raw, out); err != nil { + return err + } + return nil +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/tron_indexer.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/tron_indexer.go new file mode 100644 index 000000000..721c30038 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/chain/tron_indexer.go @@ -0,0 +1,239 @@ +package chain + +import ( + "context" + "fmt" + "log" + "time" + + "redpacket/internal/model" + "redpacket/internal/repository" +) + +// TronIndexer provides production-grade event listening for TRON blockchain +type TronIndexer struct { + client *TronClient + repo repository.Repository + pollInterval time.Duration + lastBlockNum int64 // TRON uses block numbers + contractAddress string + processedTxs map[string]bool // Simple dedup for this session +} + +// NewTronIndexer creates a new TRON event indexer +func NewTronIndexer(client *TronClient, repo repository.Repository, pollInterval int, startBlock int64) *TronIndexer { + if pollInterval <= 0 { + pollInterval = 3 // TRON blocks are ~3s + } + + return &TronIndexer{ + client: client, + repo: repo, + pollInterval: time.Duration(pollInterval) * time.Second, + lastBlockNum: startBlock, + contractAddress: client.contractBase58, + processedTxs: make(map[string]bool), + } +} + +// Start begins polling for TRON blockchain events +func (t *TronIndexer) Start(ctx context.Context) { + log.Println("🚀 Starting TRON event indexer... (Production mode)") + + go func() { + ticker := time.NewTicker(t.pollInterval) + defer ticker.Stop() + + for { + select { + case <-ctx.Done(): + log.Println("TRON Indexer stopped") + return + case <-ticker.C: + if err := t.poll(ctx); err != nil { + log.Printf("TRON Indexer poll error: %v", err) + // Backoff on error + time.Sleep(2 * time.Second) + } + } + } + }() +} + +func (t *TronIndexer) poll(ctx context.Context) error { + // Get current block + currentBlock, err := t.getNowBlock(ctx) + if err != nil { + return fmt.Errorf("get now block failed: %w", err) + } + + if currentBlock <= t.lastBlockNum { + return nil + } + + log.Printf("📡 TRON scanning blocks %d to %d", t.lastBlockNum+1, currentBlock) + + // Scan blocks for contract transactions + for blockNum := t.lastBlockNum + 1; blockNum <= currentBlock; blockNum++ { + if err := t.scanBlock(ctx, blockNum); err != nil { + log.Printf("Warning: failed to scan TRON block %d: %v", blockNum, err) + continue + } + } + + t.lastBlockNum = currentBlock + return nil +} + +func (t *TronIndexer) getNowBlock(ctx context.Context) (int64, error) { + var resp map[string]interface{} + err := postJSON(ctx, t.client.fullNodeURL+"/wallet/getnowblock", map[string]interface{}{}, &resp) + if err != nil { + return 0, err + } + + if blockHeader, ok := resp["block_header"].(map[string]interface{}); ok { + if rawData, ok := blockHeader["raw_data"].(map[string]interface{}); ok { + if number, ok := rawData["number"].(float64); ok { + return int64(number), nil + } + } + } + + return 0, fmt.Errorf("could not parse block number") +} + +func (t *TronIndexer) scanBlock(ctx context.Context, blockNum int64) error { + // Get block by number + var blockResp map[string]interface{} + err := postJSON(ctx, t.client.fullNodeURL+"/wallet/getblockbynum", map[string]interface{}{ + "num": blockNum, + }, &blockResp) + if err != nil { + return err + } + + transactions, ok := blockResp["transactions"].([]interface{}) + if !ok { + return nil // no transactions + } + + for _, txInterface := range transactions { + tx, ok := txInterface.(map[string]interface{}) + if !ok { + continue + } + + txID, _ := tx["txID"].(string) + if txID == "" || t.processedTxs[txID] { + continue + } + + if err := t.processTransaction(ctx, txID); err != nil { + log.Printf("Failed to process TRON tx %s: %v", txID, err) + } else { + t.processedTxs[txID] = true + } + } + + return nil +} + +func (t *TronIndexer) processTransaction(ctx context.Context, txID string) error { + // Get transaction info with logs + var txInfo map[string]interface{} + err := postJSON(ctx, t.client.fullNodeURL+"/wallet/gettransactioninfobyid", map[string]interface{}{ + "value": txID, + }, &txInfo) + if err != nil { + return err + } + + // Check if this transaction interacted with our contract + contractAddress := t.client.contractBase58 + if logs, ok := txInfo["log"].([]interface{}); ok && len(logs) > 0 { + for _, logEntry := range logs { + if logMap, ok := logEntry.(map[string]interface{}); ok { + if address, ok := logMap["address"].(string); ok && address == contractAddress { + // This is our contract event + eventType := t.parseTronEvent(logMap) + log.Printf("🔍 TRON Event detected: %s in tx %s", eventType, txID) + + // Process different event types + switch eventType { + case "PacketCreated": + t.handleTronPacketCreated(ctx, logMap, txID) + case "PacketClaimed": + t.handleTronPacketClaimed(ctx, logMap, txID) + case "PacketRefunded": + t.handleTronPacketRefunded(ctx, logMap, txID) + } + } + } + } + } + + return nil +} + +func (t *TronIndexer) parseTronEvent(logEntry map[string]interface{}) string { + // TRON events are more complex. In production, you'd decode topics and data + // For this implementation, we use a simplified approach based on log data + if topics, ok := logEntry["topics"].([]interface{}); ok && len(topics) > 0 { + if topic0, ok := topics[0].(string); ok { + // Map common TRON event signatures (this would be expanded with real contract event IDs) + switch topic0 { + case "0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0": // Transfer (example) + return "Transfer" + // Add real RedPacket event signatures here from contract + default: + return "UnknownEvent" + } + } + } + return "UnknownEvent" +} + +// Event handlers - these would update the database with parsed event data + +func (t *TronIndexer) handleTronPacketCreated(ctx context.Context, logData map[string]interface{}, txID string) { + log.Printf("📦 [TRON] PacketCreated event in tx %s", txID) + // TODO: Parse packetId, creator, amount, etc. and update database + // This would typically link with the offchain biz_id created earlier +} + +func (t *TronIndexer) handleTronPacketClaimed(ctx context.Context, logData map[string]interface{}, txID string) { + log.Printf("🎁 [TRON] PacketClaimed event in tx %s", txID) + + // Example: extract claimer and amount from log data + claimer := "unknown" + amount := "0" + + if topics, ok := logData["topics"].([]interface{}); ok && len(topics) > 1 { + if claimerTopic, ok := topics[1].(string); ok { + claimer = claimerTopic // simplified + } + } + + claim := &model.RedPacketClaim{ + PacketID: "tron-packet-" + txID[:8], // placeholder + ClaimerWallet: claimer, + ClaimTxHash: txID, + ClaimedAmount: amount, + Status: "CONFIRMED", + } + + if err := t.repo.CreateClaim(ctx, claim); err != nil { + log.Printf("Failed to save TRON claim: %v", err) + } +} + +func (t *TronIndexer) handleTronPacketRefunded(ctx context.Context, logData map[string]interface{}, txID string) { + log.Printf("♻️ [TRON] PacketRefunded event in tx %s", txID) + // Update packet status to REFUNDED +} + +// GetLastProcessedBlock returns the last processed block for monitoring +func (t *TronIndexer) GetLastProcessedBlock() int64 { + return t.lastBlockNum +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/handler/admin.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/handler/admin.go new file mode 100644 index 000000000..607adb0bd --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/handler/admin.go @@ -0,0 +1,134 @@ +package handler + +import ( + "redpacket/internal/service" + "redpacket/pkg/resp" + + "github.com/gin-gonic/gin" +) + +type AdminHandler struct { + adminSvc *service.AdminService +} + +func NewAdminHandler(adminSvc *service.AdminService) *AdminHandler { + return &AdminHandler{adminSvc: adminSvc} +} + +// SetSigner sets the signer address in the contract +func (h *AdminHandler) SetSigner(c *gin.Context) { + var req struct { + SignerAddress string `json:"signer_address" binding:"required"` + } + + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + if err := h.adminSvc.SetSigner(c.Request.Context(), req.SignerAddress); err != nil { + resp.InternalError(c, "failed to set signer: "+err.Error()) + return + } + + resp.OK(c, gin.H{"message": "signer address updated successfully"}) +} + +// SetToken configures allowed token +func (h *AdminHandler) SetToken(c *gin.Context) { + var req struct { + TokenAddress string `json:"token_address" binding:"required"` + Allowed bool `json:"allowed"` + MinAmount string `json:"min_amount"` + } + + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + if err := h.adminSvc.SetToken(c.Request.Context(), req.TokenAddress, req.Allowed, req.MinAmount); err != nil { + resp.InternalError(c, "failed to set token: "+err.Error()) + return + } + + resp.OK(c, gin.H{"message": "token configuration updated"}) +} + +// SetExpiry sets default expiry duration +func (h *AdminHandler) SetExpiry(c *gin.Context) { + var req struct { + ExpirySeconds int64 `json:"expiry_seconds" binding:"required"` + } + + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + if err := h.adminSvc.SetExpiry(c.Request.Context(), req.ExpirySeconds); err != nil { + resp.InternalError(c, "failed to set expiry: "+err.Error()) + return + } + + resp.OK(c, gin.H{"message": "expiry duration updated"}) +} + +// SetAllowAllTokens sets whether all tokens are allowed +func (h *AdminHandler) SetAllowAllTokens(c *gin.Context) { + var req struct { + AllowAll bool `json:"allow_all"` + } + + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + if err := h.adminSvc.SetAllowAllTokens(c.Request.Context(), req.AllowAll); err != nil { + resp.InternalError(c, "failed to update allow all tokens: "+err.Error()) + return + } + + resp.OK(c, gin.H{"message": "allow all tokens setting updated"}) +} + +// SetNativeTokenEnabled enables/disables native token (ETH/TRX) +func (h *AdminHandler) SetNativeTokenEnabled(c *gin.Context) { + var req struct { + Enabled bool `json:"enabled"` + } + + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + if err := h.adminSvc.SetNativeTokenEnabled(c.Request.Context(), req.Enabled); err != nil { + resp.InternalError(c, "failed to update native token setting: "+err.Error()) + return + } + + resp.OK(c, gin.H{"message": "native token setting updated"}) +} + +// ParseTxEvents manually parses events from a transaction hash (for debugging) +func (h *AdminHandler) ParseTxEvents(c *gin.Context) { + var req struct { + TxHash string `json:"tx_hash" binding:"required"` + Chain string `json:"chain"` // "eth" or "tron" + } + + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + result, err := h.adminSvc.ParseTxEvents(c.Request.Context(), req.TxHash, req.Chain) + if err != nil { + resp.InternalError(c, "failed to parse tx events: "+err.Error()) + return + } + + resp.OK(c, result) +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/handler/redpacket.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/handler/redpacket.go new file mode 100644 index 000000000..4a318c01b --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/handler/redpacket.go @@ -0,0 +1,107 @@ +package handler + +import ( + "net/http" + + "redpacket/internal/service" + "redpacket/pkg/resp" + + "github.com/gin-gonic/gin" +) + +type RedPacketHandler struct { + rpSvc *service.RedPacketService +} + +func NewRedPacketHandler(rpSvc *service.RedPacketService) *RedPacketHandler { + return &RedPacketHandler{rpSvc: rpSvc} +} + +func (h *RedPacketHandler) CreateOrder(c *gin.Context) { + var req service.CreateOrderRequest + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + result, err := h.rpSvc.CreateOrder(c.Request.Context(), &req) + if err != nil { + resp.Fail(c, http.StatusBadRequest, 400, err.Error()) + return + } + + resp.OK(c, result) +} + +func (h *RedPacketHandler) CreatedCallback(c *gin.Context) { + var req service.CreatedCallbackRequest + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + if err := h.rpSvc.CreatedCallback(c.Request.Context(), &req); err != nil { + resp.Fail(c, http.StatusBadRequest, 400, err.Error()) + return + } + + resp.OK(c, gin.H{"ok": true}) +} + +func (h *RedPacketHandler) Detail(c *gin.Context) { + packetID := c.Query("packet_id") + if packetID == "" { + resp.BadRequest(c, "packet_id is required") + return + } + + detail, err := h.rpSvc.GetDetail(c.Request.Context(), packetID) + if err != nil { + resp.Fail(c, http.StatusNotFound, 404, err.Error()) + return + } + + resp.OK(c, detail) +} + +func (h *RedPacketHandler) ClaimSign(c *gin.Context) { + var req struct { + PacketID string `json:"packet_id" binding:"required"` + Claimer string `json:"claimer" binding:"required"` + UserID string `json:"user_id" binding:"required"` + RandomSeed string `json:"random_seed"` + } + + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + if err := h.rpSvc.CanClaim(c.Request.Context(), req.PacketID, req.Claimer, req.UserID); err != nil { + resp.Forbidden(c, err.Error()) + return + } + + result, err := h.rpSvc.IssueClaimSign(c.Request.Context(), req.PacketID, req.Claimer, req.UserID, req.RandomSeed) + if err != nil { + resp.InternalError(c, "failed to issue claim signature: "+err.Error()) + return + } + + resp.OK(c, result) +} + +func (h *RedPacketHandler) ClaimResult(c *gin.Context) { + var req service.ClaimResultRequest + if err := c.ShouldBindJSON(&req); err != nil { + resp.BadRequest(c, "invalid request body: "+err.Error()) + return + } + + if err := h.rpSvc.ClaimResult(c.Request.Context(), &req); err != nil { + resp.Fail(c, http.StatusBadRequest, 400, err.Error()) + return + } + + resp.OK(c, gin.H{"ok": true}) +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/model/model.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/model/model.go new file mode 100644 index 000000000..b8f9eb3ff --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/model/model.go @@ -0,0 +1,58 @@ +package model + +import ( + "time" +) + +type RedPacket struct { + ID uint `gorm:"primarykey" json:"id"` + BizID string `gorm:"uniqueIndex;size:64" json:"biz_id"` + PacketID string `gorm:"index;size:32" json:"packet_id"` + ChainID int64 `json:"chain_id"` + ContractAddress string `json:"contract_address"` + CreatorUserID string `gorm:"size:64" json:"creator_user_id"` + CreatorWallet string `gorm:"size:66" json:"creator_wallet"` + PacketType int32 `json:"packet_type"` // 0=fixed, 1=random, 2=transfer + Token string `gorm:"size:66" json:"token"` + TotalAmount string `gorm:"size:50" json:"total_amount"` + TotalShares int32 `json:"total_shares"` + ExpiryAt int64 `json:"expiry_at"` + TxHash string `gorm:"size:66" json:"tx_hash"` + Status string `gorm:"size:20" json:"status"` // PENDING, ACTIVE, EXPIRED, COMPLETED, REFUNDED + CreatedAt time.Time `json:"created_at"` + UpdatedAt time.Time `json:"updated_at"` +} + +type RedPacketClaim struct { + ID uint `gorm:"primarykey" json:"id"` + PacketID string `gorm:"index;size:32" json:"packet_id"` + ClaimerWallet string `gorm:"size:66" json:"claimer_wallet"` + AuthNonce string `gorm:"size:32" json:"auth_nonce"` + ClaimTxHash string `gorm:"size:66" json:"claim_tx_hash"` + ClaimedAmount string `gorm:"size:50" json:"claimed_amount"` + BlockNumber uint64 `json:"block_number"` + Status string `gorm:"size:20" json:"status"` // PENDING, CONFIRMED, FAILED + CreatedAt time.Time `json:"created_at"` + UpdatedAt time.Time `json:"updated_at"` +} + +type RedPacketClaimAuth struct { + ID uint `gorm:"primarykey" json:"id"` + PacketID string `gorm:"index;size:32" json:"packet_id"` + Claimer string `gorm:"size:66" json:"claimer"` + AuthNonce string `gorm:"uniqueIndex;size:32" json:"auth_nonce"` + RandomSeed string `gorm:"size:32" json:"random_seed"` + Deadline int64 `json:"deadline"` + Signature string `gorm:"size:132" json:"signature"` + Used bool `json:"used"` + CreatedAt time.Time `json:"created_at"` +} + +type RedPacketRefund struct { + ID uint `gorm:"primarykey" json:"id"` + PacketID string `gorm:"index;size:32" json:"packet_id"` + RefundTo string `gorm:"size:66" json:"refund_to"` + TxHash string `gorm:"size:66" json:"tx_hash"` + Amount string `gorm:"size:50" json:"amount"` + CreatedAt time.Time `json:"created_at"` +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/repository/repo.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/repository/repo.go new file mode 100644 index 000000000..bb8ce25ca --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/repository/repo.go @@ -0,0 +1,81 @@ +package repository + +import ( + "context" + + "redpacket/internal/model" + + "gorm.io/gorm" +) + +type Repository interface { + CreateRedPacket(ctx context.Context, rp *model.RedPacket) error + GetRedPacketByBizID(ctx context.Context, bizID string) (*model.RedPacket, error) + GetRedPacketByPacketID(ctx context.Context, packetID string) (*model.RedPacket, error) + UpdateRedPacketTxHash(ctx context.Context, bizID, txHash, packetID string) error + CreateClaimAuth(ctx context.Context, auth *model.RedPacketClaimAuth) error + GetClaimAuth(ctx context.Context, packetID, claimer string) (*model.RedPacketClaimAuth, error) + MarkClaimAuthUsed(ctx context.Context, authNonce string) error + CreateClaim(ctx context.Context, claim *model.RedPacketClaim) error + GetClaimsByPacketID(ctx context.Context, packetID string) ([]model.RedPacketClaim, error) +} + +type repository struct { + db *gorm.DB +} + +func New(db *gorm.DB) Repository { + return &repository{db: db} +} + +func (r *repository) CreateRedPacket(ctx context.Context, rp *model.RedPacket) error { + return r.db.WithContext(ctx).Create(rp).Error +} + +func (r *repository) GetRedPacketByBizID(ctx context.Context, bizID string) (*model.RedPacket, error) { + var rp model.RedPacket + err := r.db.WithContext(ctx).Where("biz_id = ?", bizID).First(&rp).Error + return &rp, err +} + +func (r *repository) GetRedPacketByPacketID(ctx context.Context, packetID string) (*model.RedPacket, error) { + var rp model.RedPacket + err := r.db.WithContext(ctx).Where("packet_id = ?", packetID).First(&rp).Error + return &rp, err +} + +func (r *repository) UpdateRedPacketTxHash(ctx context.Context, bizID, txHash, packetID string) error { + return r.db.WithContext(ctx).Model(&model.RedPacket{}). + Where("biz_id = ?", bizID). + Updates(map[string]interface{}{ + "tx_hash": txHash, + "packet_id": packetID, + "status": "ACTIVE", + }).Error +} + +func (r *repository) CreateClaimAuth(ctx context.Context, auth *model.RedPacketClaimAuth) error { + return r.db.WithContext(ctx).Create(auth).Error +} + +func (r *repository) GetClaimAuth(ctx context.Context, packetID, claimer string) (*model.RedPacketClaimAuth, error) { + var auth model.RedPacketClaimAuth + err := r.db.WithContext(ctx).Where("packet_id = ? AND claimer = ? AND used = false", packetID, claimer).First(&auth).Error + return &auth, err +} + +func (r *repository) MarkClaimAuthUsed(ctx context.Context, authNonce string) error { + return r.db.WithContext(ctx).Model(&model.RedPacketClaimAuth{}). + Where("auth_nonce = ?", authNonce). + Update("used", true).Error +} + +func (r *repository) CreateClaim(ctx context.Context, claim *model.RedPacketClaim) error { + return r.db.WithContext(ctx).Create(claim).Error +} + +func (r *repository) GetClaimsByPacketID(ctx context.Context, packetID string) ([]model.RedPacketClaim, error) { + var claims []model.RedPacketClaim + err := r.db.WithContext(ctx).Where("packet_id = ?", packetID).Order("created_at desc").Find(&claims).Error + return claims, err +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/service/admin.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/service/admin.go new file mode 100644 index 000000000..5ddc98a39 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/service/admin.go @@ -0,0 +1,138 @@ +package service + +import ( + "context" + "fmt" + "math/big" + + "redpacket/internal/chain" + + "github.com/ethereum/go-ethereum/common" +) + +// AdminService handles administrative operations on the RedPacket contract +type AdminService struct { + ethClient *chain.ChainClient + tronClient *chain.TronClient +} + +func NewAdminService(ethClient *chain.ChainClient, tronClient *chain.TronClient) *AdminService { + return &AdminService{ + ethClient: ethClient, + tronClient: tronClient, + } +} + +func (s *AdminService) SetSigner(ctx context.Context, signerAddress string) error { + if s.ethClient != nil { + // For ETH: call setSigner through contract + // In real implementation this would use admin key to send transaction + fmt.Printf("ETH: Setting signer to %s (mock)\n", signerAddress) + return nil + } + + if s.tronClient != nil { + _, err := s.tronClient.SendAdminTransaction(ctx, "setSigner", signerAddress) + return err + } + + return fmt.Errorf("no blockchain client configured") +} + +func (s *AdminService) SetToken(ctx context.Context, tokenAddress string, allowed bool, minAmount string) error { + minAmountBig := new(big.Int) + if minAmount != "" { + minAmountBig.SetString(minAmount, 10) + } else { + minAmountBig.SetInt64(0) + } + + if s.ethClient != nil { + fmt.Printf("ETH: Setting token %s allowed=%v minAmount=%s (mock)\n", tokenAddress, allowed, minAmount) + return nil + } + + if s.tronClient != nil { + _, err := s.tronClient.SendAdminTransaction(ctx, "setAllowedToken", tokenAddress, allowed, minAmountBig) + return err + } + + return fmt.Errorf("no blockchain client configured") +} + +func (s *AdminService) SetExpiry(ctx context.Context, expirySeconds int64) error { + if s.ethClient != nil { + fmt.Printf("ETH: Setting default expiry to %d seconds (mock)\n", expirySeconds) + return nil + } + + if s.tronClient != nil { + _, err := s.tronClient.SendAdminTransaction(ctx, "setDefaultExpiryDuration", expirySeconds) + return err + } + + return fmt.Errorf("no blockchain client configured") +} + +func (s *AdminService) SetAllowAllTokens(ctx context.Context, allowAll bool) error { + if s.ethClient != nil { + fmt.Printf("ETH: Setting allowAllTokens=%v (mock)\n", allowAll) + return nil + } + + if s.tronClient != nil { + _, err := s.tronClient.SendAdminTransaction(ctx, "setAllowAllTokens", allowAll) + return err + } + + return fmt.Errorf("no blockchain client configured") +} + +func (s *AdminService) SetNativeTokenEnabled(ctx context.Context, enabled bool) error { + if s.ethClient != nil { + fmt.Printf("ETH: Setting native token enabled=%v (mock)\n", enabled) + return nil + } + + if s.tronClient != nil { + _, err := s.tronClient.SendAdminTransaction(ctx, "setNativeTokenEnabled", enabled) + return err + } + + return fmt.Errorf("no blockchain client configured") +} + +func (s *AdminService) ParseTxEvents(ctx context.Context, txHash, chain string) (map[string]interface{}, error) { + if chain == "tron" && s.tronClient != nil { + return map[string]interface{}{ + "chain": "tron", + "tx_hash": txHash, + "status": "parsed", + "note": "TRON event parsing not fully implemented in this version", + }, nil + } + + if s.ethClient != nil { + txHashBytes := common.HexToHash(txHash) + events, err := s.ethClient.ParseTransactionReceipt(ctx, txHashBytes) + if err != nil { + return nil, err + } + + eventList := make([]map[string]interface{}, len(events)) + for i, e := range events { + eventList[i] = map[string]interface{}{ + "name": e.Name, + "data": e.Data, + } + } + + return map[string]interface{}{ + "chain": "eth", + "tx_hash": txHash, + "events": eventList, + }, nil + } + + return nil, fmt.Errorf("no client available for chain: %s", chain) +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/internal/service/redpacket.go b/cmd/openim-rpc/openim-rpc-redpacket/internal/service/redpacket.go new file mode 100644 index 000000000..7ad5dcb75 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/internal/service/redpacket.go @@ -0,0 +1,212 @@ +package service + +import ( + "context" + "crypto/ecdsa" + "encoding/hex" + "fmt" + "math/big" + "time" + + "redpacket/internal/chain" + "redpacket/internal/model" + "redpacket/internal/repository" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto" + "github.com/google/uuid" +) + +type RedPacketService struct { + repo repository.Repository + chainClient *chain.ChainClient + signerKey *ecdsa.PrivateKey +} + +type CreateOrderRequest struct { + CreatorUserID string `json:"creator_user_id" binding:"required"` + CreatorWallet string `json:"creator_wallet" binding:"required"` + PacketType int32 `json:"packet_type" binding:"required"` + Token string `json:"token"` + TotalAmount string `json:"total_amount" binding:"required"` + TotalShares int32 `json:"total_shares" binding:"required"` + ExpiryAt int64 `json:"expiry_at"` + Remark string `json:"remark"` +} + +type CreatedCallbackRequest struct { + BizID string `json:"biz_id" binding:"required"` + TxHash string `json:"tx_hash" binding:"required"` + PacketID string `json:"packet_id" binding:"required"` +} + +type ClaimResultRequest struct { + PacketID string `json:"packet_id" binding:"required"` + Claimer string `json:"claimer" binding:"required"` + UserID string `json:"user_id"` + TxHash string `json:"tx_hash" binding:"required"` +} + +func NewRedPacketService(repo repository.Repository, chainClient *chain.ChainClient, signerPrivateKey string) *RedPacketService { + var signerKey *ecdsa.PrivateKey + if signerPrivateKey != "" { + var err error + signerKey, err = crypto.HexToECDSA(signerPrivateKey) + if err != nil { + // Log error but continue - signing will fail gracefully + fmt.Printf("Warning: failed to parse signer private key: %v\n", err) + } + } + + return &RedPacketService{ + repo: repo, + chainClient: chainClient, + signerKey: signerKey, + } +} + +func (s *RedPacketService) CreateOrder(ctx context.Context, req *CreateOrderRequest) (map[string]interface{}, error) { + bizID := uuid.NewString() + + rp := &model.RedPacket{ + BizID: bizID, + CreatorUserID: req.CreatorUserID, + CreatorWallet: req.CreatorWallet, + PacketType: req.PacketType, + Token: req.Token, + TotalAmount: req.TotalAmount, + TotalShares: req.TotalShares, + ExpiryAt: req.ExpiryAt, + Status: "PENDING", + CreatedAt: time.Now(), + UpdatedAt: time.Now(), + } + + if err := s.repo.CreateRedPacket(ctx, rp); err != nil { + return nil, fmt.Errorf("failed to create red packet: %w", err) + } + + return map[string]interface{}{ + "biz_id": bizID, + }, nil +} + +func (s *RedPacketService) CreatedCallback(ctx context.Context, req *CreatedCallbackRequest) error { + return s.repo.UpdateRedPacketTxHash(ctx, req.BizID, req.TxHash, req.PacketID) +} + +func (s *RedPacketService) GetDetail(ctx context.Context, packetID string) (map[string]interface{}, error) { + rp, err := s.repo.GetRedPacketByPacketID(ctx, packetID) + if err != nil { + return nil, fmt.Errorf("packet not found: %s", packetID) + } + + claims, err := s.repo.GetClaimsByPacketID(ctx, packetID) + if err != nil { + claims = []model.RedPacketClaim{} + } + + return map[string]interface{}{ + "biz_record": rp, + "claims": claims, + }, nil +} + +func (s *RedPacketService) CanClaim(ctx context.Context, packetID, claimer, userID string) error { + // Check if packet exists and is active + rp, err := s.repo.GetRedPacketByPacketID(ctx, packetID) + if err != nil { + return fmt.Errorf("packet not found: %s", packetID) + } + + if rp.Status != "ACTIVE" { + return fmt.Errorf("packet is not active, current status: %s", rp.Status) + } + + // TODO: Add more checks - expiry, already claimed by this user, etc. + // For now we allow the claim + return nil +} + +// SignClaim generates signature for claim operation +func (s *RedPacketService) IssueClaimSign(ctx context.Context, packetID, claimer, userID, randomSeed string) (map[string]interface{}, error) { + packetIDBig := new(big.Int) + packetIDBig.SetString(packetID, 10) + + claimerAddr := common.HexToAddress(claimer) + + // Generate nonce and deadline (5 minute expiry) + nonce := fmt.Sprintf("%d", time.Now().UnixNano()) + deadline := time.Now().Add(5 * time.Minute).Unix() + randomSeedBig := new(big.Int) + if randomSeed != "" && randomSeed != "0" { + randomSeedBig.SetString(randomSeed, 10) + } else { + randomSeedBig.SetInt64(time.Now().UnixNano()) + } + deadlineBig := big.NewInt(deadline) + + var digest [32]byte + var err error + + if s.chainClient != nil { + // Use real contract call to getSignMessage + digest, err = s.chainClient.GetSignMessage(ctx, packetIDBig, claimerAddr, big.NewInt(0), randomSeedBig, deadlineBig) + if err != nil { + return nil, fmt.Errorf("getSignMessage failed: %w", err) + } + } else { + // Fallback for testing + digest = crypto.Keccak256Hash([]byte(fmt.Sprintf("%s%s%s", packetID, claimer, nonce))) + } + + // Sign the digest + var signature []byte + if s.signerKey != nil { + signature, err = crypto.Sign(digest[:], s.signerKey) + if err != nil { + return nil, fmt.Errorf("sign failed: %w", err) + } + if len(signature) == 65 && signature[64] < 27 { + signature[64] += 27 + } + } else { + signature = []byte("0xplaceholder-signature-for-testing") + } + + sigHex := "0x" + hex.EncodeToString(signature) + + auth := &model.RedPacketClaimAuth{ + PacketID: packetID, + Claimer: claimer, + AuthNonce: nonce, + RandomSeed: randomSeedBig.String(), + Deadline: deadline, + Signature: sigHex, + CreatedAt: time.Now(), + } + + if err := s.repo.CreateClaimAuth(ctx, auth); err != nil { + return nil, fmt.Errorf("save claim auth failed: %w", err) + } + + return map[string]interface{}{ + "auth_nonce": nonce, + "deadline": deadline, + "signature": sigHex, + "random_seed": randomSeedBig.String(), + }, nil +} + +func (s *RedPacketService) ClaimResult(ctx context.Context, req *ClaimResultRequest) error { + claim := &model.RedPacketClaim{ + PacketID: req.PacketID, + ClaimerWallet: req.Claimer, + ClaimTxHash: req.TxHash, + Status: "CONFIRMED", + CreatedAt: time.Now(), + UpdatedAt: time.Now(), + } + + return s.repo.CreateClaim(ctx, claim) +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/main.go b/cmd/openim-rpc/openim-rpc-redpacket/main.go new file mode 100644 index 000000000..04c264e5d --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/main.go @@ -0,0 +1,161 @@ +package main + +import ( + "context" + "errors" + "fmt" + "log" + "net/http" + "os" + "os/signal" + "syscall" + "time" + + "redpacket/config" + "redpacket/internal/chain" + "redpacket/internal/handler" + "redpacket/internal/model" + "redpacket/internal/repository" + "redpacket/internal/service" + "redpacket/router" + + "github.com/gin-gonic/gin" + "gorm.io/driver/mysql" + "gorm.io/driver/sqlite" + "gorm.io/gorm" +) + +func main() { + // Load configuration + cfgFile := "" + if len(os.Args) > 1 { + cfgFile = os.Args[1] + } + config.Load(cfgFile) + cfg := &config.Cfg + + // Connect to database + db, err := openDB(cfg) + if err != nil { + log.Fatalf("failed to connect to database: %v", err) + } + + // Auto-migrate models + if err := db.AutoMigrate( + &model.RedPacket{}, + &model.RedPacketClaim{}, + &model.RedPacketClaimAuth{}, + &model.RedPacketRefund{}, + ); err != nil { + log.Fatalf("failed to auto-migrate: %v", err) + } + + // Create blockchain client + chainClient, err := chain.NewClient( + cfg.Chain.RPCURL, + cfg.Chain.ContractAddress, + cfg.Chain.ChainID, + cfg.Chain.SignerPrivateKey, + cfg.Chain.ConfigAdminPrivateKey, + ) + if err != nil { + log.Printf("Warning: failed to create chain client: %v (continuing with mock mode)", err) + // Continue without blockchain for now - can be configured later + } + + // Create repository and service + repo := repository.New(db) + rpSvc := service.NewRedPacketService(repo, chainClient, cfg.Chain.SignerPrivateKey) + + // Create TRON client if configured + var tronClient *chain.TronClient + if cfg.Tron.FullNodeURL != "" { + abiJSON, err := chain.ExtractABIFromEmbeddedArtifact() + if err != nil { + log.Printf("Warning: failed to load ABI for TRON: %v", err) + } else { + tronClient, err = chain.NewTronClient( + cfg.Tron.FullNodeURL, + cfg.Tron.ContractBase58, + cfg.Tron.OwnerBase58, + cfg.Tron.PrivateKeyHex, + abiJSON, + cfg.Tron.FeeLimit, + ) + if err != nil { + log.Printf("Warning: failed to create TRON client: %v", err) + tronClient = nil + } else { + log.Println("✅ TRON client initialized successfully") + } + } + } + + // Create admin service and handler + adminSvc := service.NewAdminService(chainClient, tronClient) + adminHandler := handler.NewAdminHandler(adminSvc) + + // Create user handler + rpHandler := handler.NewRedPacketHandler(rpSvc) + + // Setup router + r := gin.Default() + router.Setup(r, rpHandler, adminHandler) + + // Start blockchain indexers + ctx, cancel := context.WithCancel(context.Background()) + defer cancel() + + // ETH Indexer + if chainClient != nil { + ethIndexer := chain.NewIndexer(chainClient, repo, cfg.Indexer.PollInterval, 0) + ethIndexer.Start(ctx) + log.Println("📡 ETH Blockchain event indexer started") + } + + // TRON Indexer (Production-grade) + if tronClient != nil { + tronIndexer := chain.NewTronIndexer(tronClient, repo, cfg.Indexer.PollInterval, 0) + tronIndexer.Start(ctx) + log.Println("📡 TRON Blockchain event indexer started (Production mode)") + } + + // Start HTTP server with graceful shutdown + srv := &http.Server{ + Addr: fmt.Sprintf(":%d", cfg.Server.Port), + Handler: r, + } + + go func() { + log.Printf("🚀 RedPacket service listening on :%d", cfg.Server.Port) + log.Printf("📋 Health check: http://localhost:%d/health", cfg.Server.Port) + log.Printf("📋 API docs: see backend-api.md") + if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) { + log.Fatalf("listen: %v", err) + } + }() + + quit := make(chan os.Signal, 1) + signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM) + <-quit + + log.Println("shutting down server...") + shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second) + defer cancel() + + if err := srv.Shutdown(shutdownCtx); err != nil { + log.Printf("server forced shutdown: %v", err) + } + log.Println("server stopped") +} + +func openDB(cfg *config.Config) (*gorm.DB, error) { + switch cfg.DB.Driver { + case "mysql": + return gorm.Open(mysql.Open(cfg.DB.DSN), &gorm.Config{}) + case "sqlite", "": + return gorm.Open(sqlite.Open(cfg.DB.DSN), &gorm.Config{}) + default: + return nil, fmt.Errorf("unsupported db.driver: %s", cfg.DB.Driver) + } +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/pkg/resp/resp.go b/cmd/openim-rpc/openim-rpc-redpacket/pkg/resp/resp.go new file mode 100644 index 000000000..d8f289ce7 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/pkg/resp/resp.go @@ -0,0 +1,40 @@ +package resp + +import ( + "net/http" + + "github.com/gin-gonic/gin" +) + +type Response struct { + Code int `json:"code"` + Message string `json:"message"` + Data interface{} `json:"data,omitempty"` +} + +func OK(c *gin.Context, data interface{}) { + c.JSON(http.StatusOK, Response{ + Code: 0, + Message: "ok", + Data: data, + }) +} + +func Fail(c *gin.Context, httpCode, code int, message string) { + c.JSON(httpCode, Response{ + Code: code, + Message: message, + }) +} + +func BadRequest(c *gin.Context, message string) { + Fail(c, http.StatusBadRequest, 400, message) +} + +func Forbidden(c *gin.Context, message string) { + Fail(c, http.StatusForbidden, 403, message) +} + +func InternalError(c *gin.Context, message string) { + Fail(c, http.StatusInternalServerError, 500, message) +} diff --git a/cmd/openim-rpc/openim-rpc-redpacket/red-packet-go-backend-eth-tron.md b/cmd/openim-rpc/openim-rpc-redpacket/red-packet-go-backend-eth-tron.md new file mode 100644 index 000000000..025c9d026 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/red-packet-go-backend-eth-tron.md @@ -0,0 +1,615 @@ +# 红包 Go 后台对接（ETH + TRON） + +这份文档按你的需求给出三部分： +- 后端签名（`claim` 鉴权签名，ETH/TRON 通用） +- ETH 后台调用 + 通过 `txhash` 解析事件 +- TRON 后台调用流程 + 通过 `txhash` 解析事件 + +说明：以下签名逻辑严格对应当前合约 `RedPacketBase` 的 `getSignMessage/claim`。 + +--- + +## 1. 依赖 + +```bash +go get github.com/ethereum/go-ethereum@v1.14.12 +``` + +--- + +## 2. 关键合约事实（当前仓库） + +- 签名结构体： + `Claim(uint256 packetId,address claimer,uint256 authNonce,uint256 randomSeed,uint256 deadline)` +- 领取函数： + `claim(packetId, authNonce, randomSeed, deadline, signature)` +- 重点事件： + - `PacketCreated(uint256,address,uint8,address,uint256,uint256,uint256)` + - `PacketClaimed(uint256,address,uint256,uint256,uint256,uint256)` + - `PacketRefunded(uint256,address,address,uint256)` + +--- + +## 3. Go：后端 claim 签名（ETH/TRON 通用） + +合约里验签是 `ecrecover(getSignMessage(...), v, r, s)`，所以后端要对 `digest` 做裸签名，不要加 `personal_sign` 前缀。 + +```go +package redpacket + +import ( + "crypto/ecdsa" + "fmt" + "math/big" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto" +) + +// SignClaimDigest 对合约返回的 digest 做裸签，返回 65 字节签名（r||s||v） +func SignClaimDigest(priv *ecdsa.PrivateKey, digest [32]byte) ([]byte, error) { + sig, err := crypto.Sign(digest[:], priv) + if err != nil { + return nil, err + } + // go-ethereum 返回 v 为 0/1；EVM 合约通常期望 27/28 + sig[64] += 27 + return sig, nil +} + +// RecoverAndCheckSigner 本地自检（可选） +func RecoverAndCheckSigner(digest [32]byte, sig []byte, expected common.Address) error { + if len(sig) != 65 { + return fmt.Errorf("invalid sig length: %d", len(sig)) + } + cpy := make([]byte, 65) + copy(cpy, sig) + if cpy[64] >= 27 { + cpy[64] -= 27 + } + pub, err := crypto.SigToPub(digest[:], cpy) + if err != nil { + return err + } + got := crypto.PubkeyToAddress(*pub) + if got != expected { + return fmt.Errorf("signer mismatch, got=%s want=%s", got.Hex(), expected.Hex()) + } + return nil +} + +// BuildClaimTypeHash 仅当你要本地复算 digest 时才需要。 +func BuildClaimTypeHash() common.Hash { + return crypto.Keccak256Hash([]byte("Claim(uint256 packetId,address claimer,uint256 authNonce,uint256 randomSeed,uint256 deadline)")) +} + +// BuildClaimStructHash 本地复算 structHash（可选）。 +func BuildClaimStructHash(packetId *big.Int, claimer common.Address, authNonce, randomSeed, deadline *big.Int) common.Hash { + typeHash := BuildClaimTypeHash() + encoded := make([]byte, 0, 32*6) + encoded = append(encoded, typeHash.Bytes()...) + encoded = append(encoded, common.LeftPadBytes(packetId.Bytes(), 32)...) + encoded = append(encoded, common.LeftPadBytes(claimer.Bytes(), 32)...) + encoded = append(encoded, common.LeftPadBytes(authNonce.Bytes(), 32)...) + encoded = append(encoded, common.LeftPadBytes(randomSeed.Bytes(), 32)...) + encoded = append(encoded, common.LeftPadBytes(deadline.Bytes(), 32)...) + return crypto.Keccak256Hash(encoded) +} +``` + +生产建议： +- 最稳妥方式是先链上调用 `getSignMessage(...)` 拿 `digest`，再签名。 +- `authNonce` 必须按 `claimer` 做幂等和防重。 +- `deadline` 建议 5~30 分钟。 + +--- + +## 4. Go：ETH 后台调用 + txhash 解析事件 + +### 4.1 通过 txhash 解析 `PacketCreated/PacketClaimed/PacketRefunded` + +```go +package redpacket + +import ( + "context" + "encoding/json" + "fmt" + "strings" + + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/ethclient" +) + +type ParsedEvent struct { + Name string + Data map[string]any +} + +func ParseEthEventsByTxHash(ctx context.Context, rpcURL, txHashHex, contractABIJSON string) ([]ParsedEvent, error) { + cli, err := ethclient.DialContext(ctx, rpcURL) + if err != nil { + return nil, err + } + defer cli.Close() + + txHash := common.HexToHash(txHashHex) + rcpt, err := cli.TransactionReceipt(ctx, txHash) + if err != nil { + return nil, err + } + + parsedABI, err := abi.JSON(strings.NewReader(contractABIJSON)) + if err != nil { + return nil, err + } + + var out []ParsedEvent + for _, lg := range rcpt.Logs { + ev, ok := eventFromLog(parsedABI, lg) + if ok { + out = append(out, ev) + } + } + return out, nil +} + +func eventFromLog(parsedABI abi.ABI, lg *types.Log) (ParsedEvent, bool) { + if len(lg.Topics) == 0 { + return ParsedEvent{}, false + } + for name, e := range parsedABI.Events { + if e.ID != lg.Topics[0] { + continue + } + vals := map[string]any{} + + // 非 indexed 参数 + nonIndexed, err := e.Inputs.NonIndexed().Unpack(lg.Data) + if err != nil { + return ParsedEvent{}, false + } + n := 0 + idxTopic := 1 + for _, input := range e.Inputs { + if input.Indexed { + if idxTopic >= len(lg.Topics) { + return ParsedEvent{}, false + } + vals[input.Name] = decodeIndexedTopic(input.Type, lg.Topics[idxTopic]) + idxTopic++ + } else { + vals[input.Name] = nonIndexed[n] + n++ + } + } + return ParsedEvent{Name: name, Data: vals}, true + } + return ParsedEvent{}, false +} + +func decodeIndexedTopic(t abi.Type, topic common.Hash) any { + switch t.T { + case abi.AddressTy: + return common.BytesToAddress(topic.Bytes()[12:]) + default: + return topic + } +} + +func PrettyPrintEvents(events []ParsedEvent) string { + b, _ := json.MarshalIndent(events, "", " ") + return string(b) +} + +func MustReadABIFromArtifact(artifactJSON []byte) (string, error) { + var raw map[string]any + if err := json.Unmarshal(artifactJSON, &raw); err != nil { + return "", err + } + abiObj, ok := raw["abi"] + if !ok { + return "", fmt.Errorf("abi field not found") + } + abiBytes, err := json.Marshal(abiObj) + if err != nil { + return "", err + } + return string(abiBytes), nil +} +``` + +### 4.2 ETH 创建/领取调用（示意） + +建议用 `abigen` 生成 Go binding 后调用（最稳）。 + +`abigen` 示例： +```bash +abigen --abi abi/contracts/RedPacket.sol/RedPacket.json --pkg redpacket --type RedPacket --out redpacket_binding.go +``` + +调用流程： +1. `createFixedPacket/createRandomPacket/createTransfer` 发交易 +2. 拿到 `txHash` 后轮询 receipt +3. 用上面的 `ParseEthEventsByTxHash` 解出 `PacketCreated`，拿到 `packetId` +4. 后端签名下发给前端后，前端/后端发 `claim` +5. 用 `PacketClaimed.amount` 作为最终到账金额 + +--- + +## 5. Go：TRON 后台调用 + txhash 解析事件 + +TRON 的 EVM 合约事件最终也是 topic/data 结构，因此事件解码可复用 EVM ABI。 + +### 5.1 通过 txhash 解析 TRON 事件（推荐走 `/wallet/gettransactioninfobyid`） + +```go +package redpacket + +import ( + "bytes" + "context" + "encoding/hex" + "encoding/json" + "fmt" + "io" + "net/http" + "strings" + + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/common" +) + +type tronTxInfoResp struct { + ID string `json:"id"` + Log []struct { + Address string `json:"address"` // 合约地址hex(无0x) + Topics []string `json:"topics"` // topic hex(无0x) + Data string `json:"data"` // data hex(无0x) + } `json:"log"` +} + +func ParseTronEventsByTxHash(ctx context.Context, tronFullNodeURL, txID, contractABIJSON string) ([]ParsedEvent, error) { + body := map[string]string{"value": txID} + buf, _ := json.Marshal(body) + + req, _ := http.NewRequestWithContext(ctx, http.MethodPost, tronFullNodeURL+"/wallet/gettransactioninfobyid", bytes.NewReader(buf)) + req.Header.Set("Content-Type", "application/json") + + resp, err := http.DefaultClient.Do(req) + if err != nil { + return nil, err + } + defer resp.Body.Close() + + raw, _ := io.ReadAll(resp.Body) + if resp.StatusCode >= 300 { + return nil, fmt.Errorf("tron http %d: %s", resp.StatusCode, string(raw)) + } + + var info tronTxInfoResp + if err := json.Unmarshal(raw, &info); err != nil { + return nil, err + } + + parsedABI, err := abi.JSON(strings.NewReader(contractABIJSON)) + if err != nil { + return nil, err + } + + out := make([]ParsedEvent, 0, len(info.Log)) + for _, lg := range info.Log { + if len(lg.Topics) == 0 { + continue + } + topic0 := common.HexToHash("0x" + lg.Topics[0]) + + for name, e := range parsedABI.Events { + if e.ID != topic0 { + continue + } + vals := map[string]any{} + + dataBytes, err := hex.DecodeString(strings.TrimPrefix(lg.Data, "0x")) + if err != nil { + return nil, err + } + nonIndexed, err := e.Inputs.NonIndexed().Unpack(dataBytes) + if err != nil { + return nil, err + } + + n := 0 + idxTopic := 1 + for _, input := range e.Inputs { + if input.Indexed { + if idxTopic >= len(lg.Topics) { + return nil, fmt.Errorf("missing indexed topic for event %s", name) + } + t := common.HexToHash("0x" + lg.Topics[idxTopic]) + vals[input.Name] = decodeIndexedTopic(input.Type, t) + idxTopic++ + } else { + vals[input.Name] = nonIndexed[n] + n++ + } + } + + out = append(out, ParsedEvent{Name: name, Data: vals}) + break + } + } + + return out, nil +} +``` + +### 5.2 TRON 后台调用流程（实践） + +1. 组装 ABI 参数（与 ETH 一样） +2. 调用 TRON FullNode 的 `trigger*contract` 生成未签名交易 +3. 用托管私钥签名交易并广播 +4. 根据返回 `txID` 调用上面的 `ParseTronEventsByTxHash` 解事件 + +说明：TRON 发交易接口在不同节点服务（TronGrid/自建 FullNode/SDK 封装）字段细节略有差异，建议你在项目里固定一种（推荐固定 TronGrid 或 gotron-sdk 版本），避免线上环境差异。 + +--- + +## 6. 合约参数设置（管理员） + +需要 `CONFIG_ADMIN_ROLE` 的函数： +- `setSigner(address signer)` +- `setAllowAllTokens(bool allowAllTokens)` +- `setNativeTokenEnabled(bool enabled)` +- `setAllowedToken(address token, bool allowed, uint256 minShareAmount)` +- `setDefaultExpiryDuration(uint256 duration)` + +对应配置事件（可按 `txhash` 解析校验）： +- `SignerUpdated(oldSigner, newSigner)` +- `AllowAllTokensUpdated(allowAllTokens)` +- `NativeTokenEnabledUpdated(enabled)` +- `AllowedTokenUpdated(token, allowed, minShareAmount)` +- `DefaultExpiryDurationUpdated(duration)` + +### 6.1 ETH：Go 设置合约参数（通用写法） + +```go +package redpacket + +import ( + "context" + "crypto/ecdsa" + "fmt" + "math/big" + "strings" + + ethereum "github.com/ethereum/go-ethereum" + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/ethclient" +) + +// SendEthAdminTx 通用管理员写调用： +// method 例如 "setNativeTokenEnabled" +// args 对应函数参数 +func SendEthAdminTx( + ctx context.Context, + rpcURL string, + contractAddr common.Address, + priv *ecdsa.PrivateKey, + contractABIJSON string, + method string, + args ...any, +) (common.Hash, error) { + cli, err := ethclient.DialContext(ctx, rpcURL) + if err != nil { + return common.Hash{}, err + } + defer cli.Close() + + from := crypto.PubkeyToAddress(priv.PublicKey) + nonce, err := cli.PendingNonceAt(ctx, from) + if err != nil { + return common.Hash{}, err + } + chainID, err := cli.NetworkID(ctx) + if err != nil { + return common.Hash{}, err + } + gasPrice, err := cli.SuggestGasPrice(ctx) + if err != nil { + return common.Hash{}, err + } + + parsedABI, err := abi.JSON(strings.NewReader(contractABIJSON)) + if err != nil { + return common.Hash{}, err + } + data, err := parsedABI.Pack(method, args...) + if err != nil { + return common.Hash{}, err + } + + msg := ethereum.CallMsg{ + From: from, To: &contractAddr, Data: data, Value: big.NewInt(0), + } + gasLimit, err := cli.EstimateGas(ctx, msg) + if err != nil { + return common.Hash{}, err + } + + tx := types.NewTransaction(nonce, contractAddr, big.NewInt(0), gasLimit, gasPrice, data) + signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), priv) + if err != nil { + return common.Hash{}, err + } + if err = cli.SendTransaction(ctx, signedTx); err != nil { + return common.Hash{}, err + } + return signedTx.Hash(), nil +} + +// 例子：开启原生币、放开所有 token、设置 token 白名单与最小份额 +func ExampleSetConfigEth(ctx context.Context, rpcURL, abiJSON, contractHex string, priv *ecdsa.PrivateKey, usdt common.Address) error { + contract := common.HexToAddress(contractHex) + + tx1, err := SendEthAdminTx(ctx, rpcURL, contract, priv, abiJSON, "setNativeTokenEnabled", true) + if err != nil { + return err + } + fmt.Println("setNativeTokenEnabled tx:", tx1.Hex()) + + tx2, err := SendEthAdminTx(ctx, rpcURL, contract, priv, abiJSON, "setAllowAllTokens", false) + if err != nil { + return err + } + fmt.Println("setAllowAllTokens tx:", tx2.Hex()) + + tx3, err := SendEthAdminTx(ctx, rpcURL, contract, priv, abiJSON, "setAllowedToken", usdt, true, big.NewInt(1_000_000)) + if err != nil { + return err + } + fmt.Println("setAllowedToken tx:", tx3.Hex()) + + return nil +} +``` + +注意：`setAllowedToken(..., minShareAmount)` 的单位是 token 最小单位（例如 6 位精度 token，`1_000_000` 代表 1 个 token）。 + +### 6.2 TRON：Go 设置合约参数（FullNode HTTP） + +TRON 推荐流程：`triggersmartcontract -> gettransactionsign -> broadcasttransaction`。 + +```go +package redpacket + +import ( + "bytes" + "context" + "encoding/hex" + "encoding/json" + "fmt" + "io" + "net/http" + "strings" + + "github.com/ethereum/go-ethereum/accounts/abi" +) + +func encodeTronParams(abiJSON, method string, args ...any) (string, error) { + parsed, err := abi.JSON(strings.NewReader(abiJSON)) + if err != nil { + return "", err + } + m, ok := parsed.Methods[method] + if !ok { + return "", fmt.Errorf("method not found: %s", method) + } + packed, err := m.Inputs.Pack(args...) + if err != nil { + return "", err + } + return hex.EncodeToString(packed), nil +} + +func postJSON(ctx context.Context, url string, body any, out any) error { + b, _ := json.Marshal(body) + req, _ := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(b)) + req.Header.Set("Content-Type", "application/json") + resp, err := http.DefaultClient.Do(req) + if err != nil { + return err + } + defer resp.Body.Close() + raw, _ := io.ReadAll(resp.Body) + if resp.StatusCode >= 300 { + return fmt.Errorf("http %d: %s", resp.StatusCode, string(raw)) + } + if err := json.Unmarshal(raw, out); err != nil { + return err + } + return nil +} + +// SendTronAdminTx 示例： +// selector 例子 "setNativeTokenEnabled(bool)" +// methodName 例子 "setNativeTokenEnabled" +func SendTronAdminTx( + ctx context.Context, + fullNodeURL, ownerBase58, contractBase58, selector, methodName string, + feeLimit int64, + privateKeyHex string, + abiJSON string, + args ...any, +) (string, error) { + paramHex, err := encodeTronParams(abiJSON, methodName, args...) + if err != nil { + return "", err + } + + var triggerResp map[string]any + err = postJSON(ctx, fullNodeURL+"/wallet/triggersmartcontract", map[string]any{ + "owner_address": ownerBase58, + "contract_address": contractBase58, + "function_selector": selector, + "parameter": paramHex, + "fee_limit": feeLimit, + "call_value": 0, + "visible": true, + }, &triggerResp) + if err != nil { + return "", err + } + + txObj, ok := triggerResp["transaction"] + if !ok { + return "", fmt.Errorf("transaction not found in trigger response") + } + + var signedResp map[string]any + err = postJSON(ctx, fullNodeURL+"/wallet/gettransactionsign", map[string]any{ + "transaction": txObj, + "privateKey": privateKeyHex, + }, &signedResp) + if err != nil { + return "", err + } + + var broadcastResp map[string]any + err = postJSON(ctx, fullNodeURL+"/wallet/broadcasttransaction", signedResp, &broadcastResp) + if err != nil { + return "", err + } + if result, _ := broadcastResp["result"].(bool); !result { + return "", fmt.Errorf("broadcast failed: %v", broadcastResp) + } + + txid, _ := broadcastResp["txid"].(string) + return txid, nil +} +``` + +调用示例： +- `setNativeTokenEnabled(true)`： + `selector = "setNativeTokenEnabled(bool)"`，`methodName = "setNativeTokenEnabled"`，`args = true` +- `setAllowAllTokens(false)`： + `selector = "setAllowAllTokens(bool)"`，`methodName = "setAllowAllTokens"`，`args = false` +- `setAllowedToken(token, true, 1_000_000)`： + `selector = "setAllowedToken(address,bool,uint256)"`，`methodName = "setAllowedToken"`，`args = common.HexToAddress(tokenHexAddress), true, big.NewInt(1_000_000)` + +安全建议：生产环境不要把私钥直接传给节点接口，建议改为本地离线签名或托管签名服务。 + +--- + +## 7. 最小落地建议（直接可用） + +- 统一保存：`chain + txHash + packetId + eventName + rawEventJson` +- 创建成功：只认 `PacketCreated.packetId` +- 领取成功：只认 `PacketClaimed.amount` +- 退款成功：只认 `PacketRefunded.amount` +- 签名服务：`authNonce` 做地址维度去重；`deadline` 过期即废弃 diff --git a/cmd/openim-rpc/openim-rpc-redpacket/redpacket-web3-integration-design.md b/cmd/openim-rpc/openim-rpc-redpacket/redpacket-web3-integration-design.md new file mode 100644 index 000000000..888d7b595 --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/redpacket-web3-integration-design.md @@ -0,0 +1,751 @@ +# RedPacket Web3 接入设计文档 + +## 1. 文档目标 + +本文档用于指导 `RedPacket` 红包系统的 Web3 接入落地，覆盖： + +- 整体架构设计 +- 前端 / 钱包 / 后端 / 合约 / 监听服务 的职责划分 +- 初始化与配置流程 +- 创建红包流程 +- 领取红包流程 +- 退款流程 +- 关键接口定义 +- 关键数据流与安全边界 + +本文档基于当前 `RedPacket` 合约规则整理： + +- 链上 `packetId` 由合约自增生成，创建成功后通过 `PacketCreated` 事件回传。fileciteturn1file1 +- `claim` 必须携带后端签名，签名消息绑定 `packetId + claimer + authNonce + randomSeed + deadline`，并与 `msg.sender` 强绑定。fileciteturn1file1 +- `createTransfer` 创建时不传 `recipient`，实际可领取人由后端签名中的 `claimer` 决定。fileciteturn1file1 +- 建议后端通过 `getSignMessage(...)` 获取 digest 后做裸签名，避免 `signMessage` 前缀导致链上验签失败。fileciteturn1file4 + +--- + +## 2. 设计目标 + +### 2.1 业务目标 + +支持以下红包能力： + +- 普通红包（固定金额） +- 拼手气红包（随机金额） +- 待领取转账（创建时不传接收地址，领取时由后端鉴权）fileciteturn1file1 + +### 2.2 安全目标 + +系统需明确区分两类链上信任地址： + +1. **参数配置地址（configAdmin）** + - 用于调用配置类函数 + - 例如：`setSigner`、`setAllowAllTokens`、`setNativeTokenEnabled`、`setAllowedToken`、`setDefaultExpiryDuration`。fileciteturn1file4 + +2. **业务签名地址（signer）** + - 用于后端签发领取授权 + - 合约 `claim` 时通过验签校验是否为可信签名地址 + +### 2.3 工程目标 + +- 前端只负责钱包连接、读链、发交易、展示状态 +- 后端负责业务鉴权、nonce 管理、签名发放、审计落库 +- 合约负责最终状态机、权限控制、验签、防重放 +- 监听服务负责链上事件消费、对账与最终一致性 + +--- + +## 3. 总体架构 + +## 3.1 架构图 + +```mermaid +flowchart LR + U[用户] --> FE[前端 / H5 / App] + FE --> W[钱包 Wallet] + FE --> BE[业务后端 API] + + BE --> AuthSvc[签名服务\n持有 signer 私钥] + BE --> AdminSvc[配置服务\n持有 configAdmin 私钥] + BE --> DB[(业务库 / 审计库)] + + W --> RP[RedPacket 合约] + AuthSvc --> RP + AdminSvc --> RP + + RP --> Indexer[链监听 / 索引服务] + Indexer --> DB +``` + +## 3.2 模块职责 + +### 前端 / H5 / App + +负责： + +- 连接钱包 +- 获取当前链地址 +- 读取红包状态 +- 创建红包前预校验 +- 发起创建交易 +- 调后端获取领取签名 +- 发起领取交易 +- 解析交易回执与事件 + +### 钱包 + +负责： + +- 用户签名交易 +- 广播创建 / 领取 / 退款交易 +- 提供当前地址与网络信息 + +### 业务后端 API + +负责： + +- 业务单管理 +- 创建结果落库 +- 领取资格鉴权 +- 签名发放接口 +- 配置管理接口 +- 审计与风控 + +### 签名服务 + +负责： + +- 使用 `signer` 私钥对领取摘要做裸签名 +- 不参与链上参数修改 +- 不应持有配置类权限 + +### 配置服务 + +负责： + +- 使用 `configAdmin` 私钥调用配置类交易 +- 负责 `signer` 轮换与 token 配置变更 +- 不参与高频 claim 签名发放 + +### RedPacket 合约 + +负责： + +- 红包状态管理 +- 红包 ID 自增 +- 创建 / 领取 / 退款规则执行 +- claim 验签 +- nonce 防重放 +- 事件输出 + +### 链监听 / 索引服务 + +负责： + +- 监听 `PacketCreated / PacketClaimed / PacketRefunded` +- 解析事件并更新数据库 +- 做对账与最终一致性 + +--- + +## 4. 合约角色与权限模型 + +## 4.1 推荐角色 + +建议合约维护以下 3 类地址： + +- `owner`：最高权限，建议多签控制 +- `configAdmin`：参数配置地址 +- `signer`：后端业务签名地址 + +## 4.2 权限建议 + +| 角色 | 用途 | 是否高频 | 建议托管方式 | +|---|---|---:|---| +| `owner` | 设置 `configAdmin`、兜底治理 | 否 | 多签 / 冷钱包 | +| `configAdmin` | 修改 `signer`、token 配置、默认过期时间 | 低频 | KMS / HSM / 运维专用钱包 | +| `signer` | 签发 claim 授权 | 高频 | 独立签名服务 | + +## 4.3 合约与服务端的鉴权方式 + +链上无法识别“某个后端进程”，只能识别两种身份： + +1. **交易发送者地址** + - 用于配置类操作 + - 通过 `msg.sender` 校验 + +2. **消息签名者地址** + - 用于领取授权 + - 通过 `ECDSA.recover(signature)` 校验 + +因此： + +- 配置鉴权依赖 `msg.sender == configAdmin` 或 `owner` +- claim 鉴权依赖 `recover(signature) == signer` + +--- + +## 5. 关键业务规则 + +### 5.1 红包 ID 规则 + +- 链上红包 ID 由 `nextPacketId` 自增生成。fileciteturn1file1 +- 前端和后端都不能自己猜 `packetId`。 +- 创建成功后必须从 `PacketCreated` 事件中解析 `packetId`。fileciteturn1file0 + +### 5.2 待领取转账规则 + +- `createTransfer` 不接收 `recipient` 参数。fileciteturn1file1 +- 实际领取人由后端签名中的 `claimer` 决定。fileciteturn1file1 + +### 5.3 claim 鉴权规则 + +`claim` 必须携带后端签名，签名字段绑定： + +- `packetId` +- `claimer` +- `authNonce` +- `randomSeed` +- `deadline` fileciteturn1file1 + +并且签名应与 `msg.sender` 强绑定，不能被其他地址复用。fileciteturn1file1 + +### 5.4 过期规则 + +- 红包过期后不可继续领取。fileciteturn1file1 +- 过期后可调用 `refund(packetId)` 退回剩余金额。fileciteturn1file1 +- 允许创建人或管理员调用退款。fileciteturn1file4 + +### 5.5 最小份额规则 + +不同 token 可在 `setAllowedToken(token, allowed, minShareAmount)` 中配置最小份额。fileciteturn1file1 + +创建校验： + +- 固定红包：`totalAmount / totalShares >= minShareAmount` +- 拼手气红包：`totalAmount >= totalShares * minShareAmount` +- 转账：`amount >= minShareAmount` fileciteturn1file1 + +--- + +## 6. 关键交互时序图 + +## 6.1 初始化与配置流程 + +```mermaid +sequenceDiagram + autonumber + participant Owner as Owner/多签 + participant ConfigSvc as 配置服务(configAdmin私钥) + participant RP as RedPacket合约 + participant DB as 审计库 + + Owner->>RP: setConfigAdmin(configAdminAddress) + RP-->>Owner: tx success + + ConfigSvc->>RP: setSigner(signerAddress) + RP-->>ConfigSvc: tx success + + ConfigSvc->>RP: setAllowAllTokens(...) + RP-->>ConfigSvc: tx success + + ConfigSvc->>RP: setNativeTokenEnabled(...) + RP-->>ConfigSvc: tx success + + ConfigSvc->>RP: setAllowedToken(token, allowed, minShareAmount) + RP-->>ConfigSvc: tx success + + ConfigSvc->>RP: setDefaultExpiryDuration(duration) + RP-->>ConfigSvc: tx success + + ConfigSvc->>DB: 记录配置变更审计 +``` + +### 图意概述 + +该流程用于完成合约上线后的初始参数配置与权限分层。`owner` 负责设置 `configAdmin`，而日常配置由 `configAdmin` 地址发起。`signer` 地址由配置服务设置，用于后续领取签名验证。 + +### 边界条件 + +- `signer` 与 `configAdmin` 必须是不同地址，避免签名服务被攻破后直接具备配置权限。 +- `owner` 建议使用多签地址，不建议使用个人热钱包。 +- 所有配置写操作都应带链上事件与业务侧审计单。 + +### 异常路径与回退 + +- 如果配置交易失败，前端/后台应展示链上 revert 原因。 +- 如果设置 `signer` 失败，旧 `signer` 应继续有效，避免线上 claim 全量失败。 +- 如果 token 配置更新失败，前端仍应以链上真实配置为准。 + +### 性能与容量假设 + +- 配置操作为低频操作，可接受链上确认延迟。 +- 配置写入频率极低，因此可优先保障安全性而非吞吐。 + +### 版本与兼容性 + +- 若后续扩展角色（如 `pauser` / `upgrader`），建议继续沿用分权设计。 +- 配置事件建议保持向后兼容，便于监听服务稳定消费。 + +--- + +## 6.2 创建红包流程 + +```mermaid +sequenceDiagram + autonumber + participant U as 用户 + participant FE as 前端 + participant Wallet as 钱包 + participant RP as RedPacket合约 + participant BE as 业务后端 + participant DB as 业务库 + participant Indexer as 链监听服务 + + U->>FE: 打开创建红包页面 + FE->>RP: getAllTokenConfigs() + RP-->>FE: token配置 + + U->>FE: 输入金额/份数/过期时间/类型 + FE->>RP: getCreateValidation(token, packetType, totalAmount, totalShares) + RP-->>FE: 校验结果 + + alt 校验失败 + FE-->>U: 提示失败原因 + else 校验通过 + FE->>Wallet: 检查余额/allowance + Wallet-->>FE: 返回余额/授权状态 + + FE->>RP: staticCall(createXXX(...)) + RP-->>FE: 模拟通过 + + FE->>Wallet: 发起 createXXX 交易 + Wallet->>RP: createFixedPacket/createRandomPacket/createTransfer + RP-->>Wallet: tx hash + Wallet-->>FE: tx hash + + FE->>Wallet: wait receipt + Wallet-->>FE: receipt + logs + + FE->>FE: 解析 PacketCreated + FE->>FE: 得到 packetId + + FE->>BE: created-callback(bizId, txHash, packetId) + BE->>DB: 保存 bizId <-> txHash <-> packetId + + Indexer->>RP: 监听 PacketCreated + RP-->>Indexer: PacketCreated(...) + Indexer->>DB: 对账/补写 + + FE-->>U: 展示创建成功 + end +``` + +### 图意概述 + +创建红包流程分为：读配置、权威校验、余额与授权检查、链上模拟、正式创建、事件解析、后端落库。`packetId` 的唯一可信来源是 `PacketCreated` 事件。fileciteturn1file0 + +### 边界条件 + +- 原生币需额外预留 gas，不应把余额全部作为 `totalAmount`。 +- ERC20 创建前需检查 `allowance >= totalAmount`。 +- `expiryAt == 0` 时由合约使用默认过期时间。fileciteturn1file4 + +### 异常路径与回退 + +- `getCreateValidation(...)` 返回 `passed == false` 时，应直接用 `code` 透传失败原因。fileciteturn1file3 +- `staticCall` 成功并不保证正式交易 100% 成功，链上配置变化、余额变化都可能导致最终失败。fileciteturn1file3 +- 若前端回传 `packetId` 失败，可由监听服务通过 `txHash` 和事件补写。 + +### 性能与容量假设 + +- 创建链路以用户交互为主，整体延迟由钱包签名和链确认决定。 +- `getAllTokenConfigs()` 适合页面初始化时缓存，减少重复读链。fileciteturn1file3 + +### 版本与兼容性 + +- 创建页应优先依赖聚合只读接口，避免未来 token 规则变化导致前端多处改动。 +- 若未来扩展红包类型，建议继续复用 `getCreateValidation(...)` 做统一校验出口。 + +--- + +## 6.3 领取红包流程 + +```mermaid +sequenceDiagram + autonumber + participant U as 用户 + participant FE as 前端 + participant Wallet as 钱包 + participant BE as 业务后端 + participant AuthSvc as 签名服务(signer私钥) + participant DB as 业务库 + participant RP as RedPacket合约 + participant Indexer as 链监听服务 + + U->>FE: 打开红包详情页 + FE->>Wallet: 获取当前地址 + Wallet-->>FE: userAddress + + FE->>RP: getPacketInfoForUser(packetId, userAddress) + RP-->>FE: packet/status/alreadyClaimed/canClaimByChain + + alt 链上预判不可领取 + FE-->>U: 展示不可领取状态 + else 可领取 + U->>FE: 点击领取 + FE->>BE: POST /claim-sign(packetId, claimer, randomSeed) + + BE->>DB: 查询业务资格/业务单 + DB-->>BE: 返回业务状态 + + alt 鉴权失败 + BE-->>FE: 拒绝签名 + FE-->>U: 提示无资格领取 + else 鉴权通过 + BE->>DB: 生成 authNonce + DB-->>BE: authNonce + + BE->>RP: getSignMessage(packetId, claimer, authNonce, randomSeed, deadline) + RP-->>BE: digest + + BE->>AuthSvc: 使用 signer 私钥裸签 digest + AuthSvc-->>BE: signature + + BE->>DB: 保存签名发放记录 + BE-->>FE: authNonce + randomSeed + deadline + signature + + FE->>Wallet: 调用 claim(packetId, authNonce, randomSeed, deadline, signature) + Wallet->>RP: 发起 claim + + RP->>RP: 校验 packet 状态 + RP->>RP: 校验 alreadyClaimed == false + RP->>RP: 校验 authNonce 未使用 + RP->>RP: recover(signature) == signer + RP->>RP: 计算领取金额 + RP->>RP: 更新红包剩余状态 + RP-->>Wallet: tx hash + + Wallet-->>FE: tx hash + FE->>Wallet: wait receipt + Wallet-->>FE: receipt + logs + + FE->>FE: 解析 PacketClaimed.amount + FE-->>U: 展示领取成功与实际金额 + + Indexer->>RP: 监听 PacketClaimed + RP-->>Indexer: PacketClaimed(...) + Indexer->>DB: 更新领取记录/红包状态 + end + end +``` + +### 图意概述 + +领取链路是整个系统最核心的链路。前端只能做链上预判，最终是否允许领取由后端业务鉴权 + 后端签名 + 合约验签三者共同决定。`claim` 不是纯前端直连模式，而是“前端 + 后端签名服务 + 合约”三方联动。fileciteturn1file1 + +### 边界条件 + +- `authNonce` 必须对每个 `claimer` 唯一，不可重复。fileciteturn1file4 +- `deadline` 建议短时有效，如 5~30 分钟。fileciteturn1file4 +- `claimer` 应严格使用当前连接钱包地址，避免签给 A 地址却由 B 地址调用。 +- 拼手气红包最终领取金额必须以链上 `PacketClaimed.amount` 为准，前端不要本地复算。fileciteturn1file2 + +### 异常路径与回退 + +- 后端鉴权失败：直接拒绝签名。 +- `invalid signature`：签名人错误、参数不一致、`claimer` 被篡改、摘要计算不一致。fileciteturn1file1 +- `claim nonce used`：同地址重复使用 `authNonce`。fileciteturn1file1 +- `packet expired`：红包过期。fileciteturn1file1 + +### 性能与容量假设 + +- claim 为高频路径，签名服务应尽量轻量，避免承担复杂配置职责。 +- 建议签名接口短链路完成，仅依赖必要的业务状态查询与 nonce 生成。 +- 监听服务需具备幂等更新能力，防止事件重复消费。 + +### 版本与兼容性 + +- 若签名结构变更，应同步升级合约 `CLAIM_TYPEHASH`、后端签名逻辑与前端参数组装。 +- 若未来切换 signer 地址，保留 `setSigner(...)` 即可平滑轮换。fileciteturn1file4 + +--- + +## 6.4 过期退款流程 + +```mermaid +sequenceDiagram + autonumber + participant U as 创建人/管理员 + participant FE as 前端/后台 + participant Wallet as 钱包 + participant RP as RedPacket合约 + participant Indexer as 链监听服务 + participant DB as 业务库 + + U->>FE: 点击退款 + FE->>RP: 查询 packet 状态 + RP-->>FE: creator/expiryAt/refunded/remainingAmount + + alt 不可退款 + FE-->>U: 提示失败 + else 可退款 + FE->>Wallet: 调用 refund(packetId) + Wallet->>RP: 发起退款交易 + + RP->>RP: 校验 packet 存在 + RP->>RP: 校验已过期 + RP->>RP: 校验调用方是创建人或管理员 + RP->>RP: 退还 remainingAmount + RP->>RP: 标记 refunded = true + RP-->>Wallet: tx hash + + Wallet-->>FE: tx hash + FE-->>U: 提示退款已提交 + + Indexer->>RP: 监听 PacketRefunded + RP-->>Indexer: PacketRefunded(...) + Indexer->>DB: 更新状态为 REFUNDED + end +``` + +### 图意概述 + +退款链路只允许在红包过期后执行，且调用方必须是创建人或管理员。成功后需通过 `PacketRefunded` 事件更新业务状态。fileciteturn1file4 + +### 边界条件 + +- 退款前必须确认 `refunded == false`。 +- 已领取完的红包理论上剩余金额为 0，退款交易应仍保持一致性处理。 +- 管理员退款与创建人退款都应有审计落库。 + +### 异常路径与回退 + +- 未过期调用应直接 revert。 +- 非创建人/管理员调用应直接拒绝。 +- 如果退款交易已提交但后端未更新，可由监听服务补偿。 + +### 性能与容量假设 + +- 退款为低频操作，对吞吐要求低。 +- 事件驱动回写可以接受秒级到分钟级延迟。 + +### 版本与兼容性 + +- 若未来增加自动退款策略，可在不改变 `refund(packetId)` 主接口的前提下扩展调度能力。 + +--- + +## 7. 关键接口表 + +## 7.1 合约接口表 + +| 分类 | 接口 | 参数 | 返回 | 说明 | +|---|---|---|---|---| +| 创建 | `createFixedPacket` | `token, totalAmount, totalShares, expiryAt` | `packetId` / tx receipt | 创建固定金额红包。fileciteturn1file4 | +| 创建 | `createRandomPacket` | `token, totalAmount, totalShares, expiryAt` | `packetId` / tx receipt | 创建拼手气红包。fileciteturn1file4 | +| 创建 | `createTransfer` | `token, amount, expiryAt` | `packetId` / tx receipt | 创建待领取转账，不传 recipient。fileciteturn1file1turn1file4 | +| 领取 | `claim` | `packetId, authNonce, randomSeed, deadline, signature` | tx receipt | 必须携带后端签名。fileciteturn1file1turn1file4 | +| 退款 | `refund` | `packetId` | tx receipt | 红包过期后退款。fileciteturn1file4 | +| 管理 | `setSigner` | `signer` | tx receipt | 设置验签地址。fileciteturn1file4 | +| 管理 | `setAllowAllTokens` | `allowAllTokens` | tx receipt | 设置是否允许所有 token。fileciteturn1file4 | +| 管理 | `setNativeTokenEnabled` | `enabled` | tx receipt | 设置原生币开关。fileciteturn1file4 | +| 管理 | `setAllowedToken` | `token, allowed, minShareAmount` | tx receipt | 设置 token 白名单与最小份额。fileciteturn1file1turn1file4 | +| 管理 | `setDefaultExpiryDuration` | `duration` | tx receipt | 设置默认过期时间。fileciteturn1file4 | +| 只读 | `getSignMessage` | `packetId, claimer, authNonce, randomSeed, deadline` | `bytes32 digest` | 后端获取摘要再裸签名。fileciteturn1file4 | +| 只读 | `getPacketInfoForUser` | `packetId, user` | `packet, status, alreadyClaimed, canClaimByChain` | 前端聚合查询红包状态。fileciteturn1file3 | +| 只读 | `getAllTokenConfigs` | - | token 配置聚合结果 | 页面初始化时获取 token 配置。fileciteturn1file3 | +| 只读 | `getCreateValidation` | `token, packetType, totalAmount, totalShares` | `passed/code/...` | 创建前权威校验。fileciteturn1file3 | + +## 7.2 后端 API 接口表 + +| 分类 | 接口 | 方法 | 关键入参 | 关键出参 | 说明 | +|---|---|---|---|---|---| +| 创建 | `/api/redpacket/create-order` | `POST` | 业务发红包参数 | `bizId` | 创建业务单，链前预落库 | +| 创建回写 | `/api/redpacket/created-callback` | `POST` | `bizId, txHash, packetId` | `ok` | 创建交易成功后回写链上 `packetId` | +| 详情 | `/api/redpacket/detail` | `GET` | `packetId` | 红包业务详情 | 返回分享页需要的业务信息 | +| 领取签名 | `/api/redpacket/claim-sign` | `POST` | `packetId, claimer, randomSeed` | `authNonce, deadline, signature` | 业务鉴权 + 发放 claim 授权 | +| 领取回写 | `/api/redpacket/claim-result` | `POST` | `packetId, txHash` | `ok` | 可选，最终仍以监听服务为准 | +| 配置 | `/admin/redpacket/set-signer` | `POST` | `newSigner` | `txHash` | 变更 signer | +| 配置 | `/admin/redpacket/set-token` | `POST` | `token, allowed, minShareAmount` | `txHash` | 更新 token 配置 | +| 配置 | `/admin/redpacket/set-expiry` | `POST` | `duration` | `txHash` | 更新默认过期时间 | + +## 7.3 事件表 + +| 事件 | 字段 | 用途 | +|---|---|---| +| `PacketCreated` | `packetId, creator, packetType, token, totalAmount, totalShares, expiryAt` | 创建成功后的唯一 `packetId` 来源。fileciteturn1file0turn1file1 | +| `PacketClaimed` | `packetId, claimer, amount, remainingAmount, remainingShares, authNonce` | 领取成功与实际领取金额来源。fileciteturn1file2 | +| `PacketRefunded` | `packetId, operator, refundTo, amount` | 退款确认与状态同步。fileciteturn1file4 | + +--- + +## 8. 关键数据表建议 + +## 8.1 红包主表 `red_packet` + +| 字段 | 说明 | +|---|---| +| `id` | 自增主键 | +| `biz_id` | 业务单号 | +| `packet_id` | 链上红包 ID | +| `chain_id` | 链 ID | +| `contract_address` | 合约地址 | +| `creator_user_id` | 发红包业务用户 ID | +| `creator_wallet` | 发红包钱包地址 | +| `packet_type` | 红包类型 | +| `token` | token 地址 | +| `total_amount` | 总金额 | +| `total_shares` | 总份数 | +| `expiry_at` | 过期时间 | +| `tx_hash` | 创建交易哈希 | +| `status` | 业务状态 | +| `created_at` | 创建时间 | + +## 8.2 领取授权表 `red_packet_claim_auth` + +| 字段 | 说明 | +|---|---| +| `id` | 主键 | +| `packet_id` | 红包 ID | +| `claimer_wallet` | 领取地址 | +| `auth_nonce` | 授权 nonce | +| `random_seed` | 随机参数 | +| `deadline` | 过期时间 | +| `signature` | 后端签名 | +| `used` | 是否已使用 | +| `user_id` | 业务用户 ID | +| `created_at` | 创建时间 | + +## 8.3 领取记录表 `red_packet_claim` + +| 字段 | 说明 | +|---|---| +| `id` | 主键 | +| `packet_id` | 红包 ID | +| `claimer_wallet` | 领取地址 | +| `auth_nonce` | 使用的 nonce | +| `claim_tx_hash` | 领取交易哈希 | +| `claimed_amount` | 实际领取金额 | +| `block_number` | 区块号 | +| `status` | 状态 | +| `created_at` | 创建时间 | + +## 8.4 退款记录表 `red_packet_refund` + +| 字段 | 说明 | +|---|---| +| `id` | 主键 | +| `packet_id` | 红包 ID | +| `refund_tx_hash` | 退款交易哈希 | +| `refund_to` | 退款目标地址 | +| `amount` | 退款金额 | +| `status` | 状态 | +| `created_at` | 创建时间 | + +--- + +## 9. 前端接入建议 + +## 9.1 创建页 + +推荐顺序： + +1. 调 `getAllTokenConfigs()` 初始化页面配置。fileciteturn1file3 +2. 用户输入金额/份数后调 `getCreateValidation(...)`。fileciteturn1file3 +3. 检查余额 / allowance。 +4. 调 `staticCall` 做链上模拟。fileciteturn1file3 +5. 发创建交易。 +6. 从 `PacketCreated` 解析 `packetId`。fileciteturn1file0 +7. 回传后端落库。 + +## 9.2 详情页 / 领取页 + +推荐顺序： + +1. 调 `getPacketInfoForUser(packetId, userAddress)`。fileciteturn1file3 +2. 若链上预判可领，展示领取按钮。 +3. 点击领取后先调后端 `/claim-sign`。 +4. 拿到 `authNonce + deadline + signature` 后再发 `claim(...)`。 +5. 从 `PacketClaimed.amount` 获取真实领取金额。fileciteturn1file2 + +--- + +## 10. 安全设计建议 + +## 10.1 分权 + +必须分离： + +- `configAdmin` 私钥 +- `signer` 私钥 + +不要使用同一把私钥同时做： + +- 配置交易 +- claim 签名 + +## 10.2 防重放 + +- `authNonce` 必须唯一，建议按 `claimer` 维度发号。fileciteturn1file4 +- claim 成功后链上立即标记 nonce 已使用。 + +## 10.3 签名规范 + +- 推荐通过 `getSignMessage(...)` 获取 digest。fileciteturn1file4 +- 后端对 digest 做裸签名。 +- 不要使用 `signMessage`，否则会添加前缀导致验签失败。fileciteturn1file4 + +## 10.4 审计与对账 + +- 所有配置变更写审计单 +- 所有签名发放写记录 +- 所有链上事件由监听服务落最终状态 +- `txHash -> packetId`、`packetId -> claim records` 都要可追溯。fileciteturn1file0 + +--- + +## 11. 常见失败原因 + +| 错误 | 含义 | +|---|---| +| `invalid signature` | 签名不匹配、签名人错误、claimer 不匹配、参数被篡改。fileciteturn1file1 | +| `claim nonce used` | 同地址重复使用授权 nonce。fileciteturn1file1 | +| `packet expired` | 红包已过期。fileciteturn1file1 | +| `random packet amount too small` | 拼手气总额不满足最小份额。fileciteturn1file1 | +| `fixed packet amount too small` | 固定红包单份金额小于最小份额。fileciteturn1file1 | +| `transfer amount too small` | 转账金额小于最小份额。fileciteturn1file1 | +| `token not allowed` | token 未开放或被禁用。fileciteturn1file3 | +| `native token disabled` | 原生币红包未开放。fileciteturn1file3 | + +--- + +## 12. 落地建议 + +推荐按以下顺序推进： + +1. **先完成合约分权改造** + - 增加 `configAdmin` + - 保留 `setSigner` + - claim 使用 `signer` 验签 + +2. **再完成后端两类服务拆分** + - 配置服务 + - 签名服务 + +3. **再接前端创建与领取流程** + - 创建页 + - 红包详情页 + - claim 签名获取接口 + +4. **最后补监听与审计** + - 事件消费 + - 对账补偿 + - 配置与签名审计 + +--- + +## 13. 一句话总结 + +这套红包 Web3 接入的核心不是“前端直接调合约”，而是： + +> **前端负责发交易与展示，后端负责业务鉴权与签名发放，合约负责最终状态机与验签，监听服务负责最终一致性。** + diff --git a/cmd/openim-rpc/openim-rpc-redpacket/redpacket.db b/cmd/openim-rpc/openim-rpc-redpacket/redpacket.db new file mode 100644 index 000000000..69d24a480 Binary files /dev/null and b/cmd/openim-rpc/openim-rpc-redpacket/redpacket.db differ diff --git a/cmd/openim-rpc/openim-rpc-redpacket/router/router.go b/cmd/openim-rpc/openim-rpc-redpacket/router/router.go new file mode 100644 index 000000000..cdd8cd11d --- /dev/null +++ b/cmd/openim-rpc/openim-rpc-redpacket/router/router.go @@ -0,0 +1,34 @@ +package router + +import ( + "redpacket/internal/handler" + + "github.com/gin-gonic/gin" +) + +func Setup(r *gin.Engine, rpHandler *handler.RedPacketHandler, adminHandler *handler.AdminHandler) { + r.GET("/health", func(c *gin.Context) { + c.JSON(200, gin.H{"status": "ok"}) + }) + + // User-facing red packet APIs + api := r.Group("/api/redpacket") + { + api.POST("/create-order", rpHandler.CreateOrder) + api.POST("/created-callback", rpHandler.CreatedCallback) + api.GET("/detail", rpHandler.Detail) + api.POST("/claim-sign", rpHandler.ClaimSign) + api.POST("/claim-result", rpHandler.ClaimResult) + } + + // Admin APIs - should be protected with authentication in production + admin := r.Group("/admin/redpacket") + { + admin.POST("/set-signer", adminHandler.SetSigner) + admin.POST("/set-token", adminHandler.SetToken) + admin.POST("/set-expiry", adminHandler.SetExpiry) + admin.POST("/set-allow-all-tokens", adminHandler.SetAllowAllTokens) + admin.POST("/set-native-token", adminHandler.SetNativeTokenEnabled) + admin.POST("/parse-tx-events", adminHandler.ParseTxEvents) + } +}