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Optional create auth and gas tank service #13

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Merged
boqiu merged 1 commit into from
Aug 6, 2026
Merged

Optional create auth and gas tank service #13

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10 changes: 5 additions & 5 deletions .env.example
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Original file line number Diff line number Diff line change
Expand Up @@ -26,15 +26,15 @@
########################################################################

APP_SERVICE_RPC_URL="http://evmtestnet.confluxrpc.com"
# APP_SERVICE_RPC_REQUESTTIMEOUT=3s
APP_SERVICE_RPC_PRIVATEKEY="your_private_key_here"
APP_SERVICE_RPC_LOGENABLED=false

# APP_SERVICE_RPC_REQUESTTIMEOUT=3s
# APP_SERVICE_RPC_LOGENABLED=false

# Config delegated contract address to enable the AccountAbstract service, otherwise it will be disabled.
# APP_SERVICE_ACCOUNTABSTRACT_DELEGATEDCONTRACT="your_contract_hex40_address_here"


APP_SERVICE_GASTANK_ADDRESS="paymaster_contract_hex40_address_here"
# Config gas tank paymaster contract address to enable the GasTank service, otherwise it will be disabled.
# APP_SERVICE_GASTANK_ADDRESS="paymaster_contract_hex40_address_here"
# APP_SERVICE_GASTANK_SIGNATURETIMEOUT="5m"


Expand Down
27 changes: 15 additions & 12 deletions api/route.go
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Expand Up @@ -26,17 +26,17 @@ type Config struct {
func MustServe(config Config, services service.Services) {
api.MustServe(config.Config, func(router *gin.Engine) {
// set default rate limit config if not configured
config.RateLimit.Add(middleware.RateLimitTierFree, "overall", 10, 20)
config.RateLimit.Add(middleware.RateLimitTierFree, "overall", 5, 20)
// EIP-7702 tx
config.RateLimit.Add(middleware.RateLimitTierFree, "setAuth", 1, 5)
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// gas tank
config.RateLimit.Add(middleware.RateLimitTierFree, "signUserOp", 1, 5)
// token pay
config.RateLimit.Add(middleware.RateLimitTierFree, "getPrice", 5, 10)
config.RateLimit.Add(middleware.RateLimitTierFree, "getPrice", 1, 5)
config.RateLimit.Add(middleware.RateLimitTierFree, "sponsor", 1, 5)
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// rate limit by client real IP address
rateLimiters := middleware.NewRateLimitManager(config.RateLimit, middleware.DefaultRateLimitKeyExtractor)
rateLimiters := middleware.NewRateLimitManager(config.RateLimit)
go rateLimiters.ScheduleExpire()
router.Use(rateLimiters.Middleware("overall"))

Expand All @@ -48,23 +48,26 @@ func MustServe(config Config, services service.Services) {

api := router.Group("api")

aaController := NewAccountAbstractController(services)
gasTankController := NewGasTankController(services)
tokenPayController := NewTokenPayController(services)

// test client IP address
api.GET("/ip", middleware.Wrap(testClientIP))

// account abstract - auth
api.POST("/aa/auth", rateLimiters.Middleware("setAuth"), middleware.Metrics("api.aa.auth.send"), middleware.Wrap(aaController.SendAuth))
api.GET("/aa/auth/:txHash", middleware.Metrics("api.aa.auth.status"), middleware.Wrap(aaController.GetAuthStatus))
if services.AccountAbstract != nil {
aaController := NewAccountAbstractController(services)
api.POST("/aa/auth", rateLimiters.Middleware("setAuth"), middleware.Metrics("api.aa.auth.send"), middleware.Wrap(aaController.SendAuth))
api.GET("/aa/auth/:txHash", middleware.Metrics("api.aa.auth.status"), middleware.Wrap(aaController.GetAuthStatus))
}

// Gas tank
api.POST("/aa/gastank/prepare/credit", middleware.Metrics("api.aa.gastank.prepare.credit"), middleware.Wrap(gasTankController.PrepareCredit))
api.POST("/aa/gastank/prepare/refund", middleware.Metrics("api.aa.gastank.prepare.refund"), middleware.Wrap(gasTankController.PrepareRefund))
api.POST("/aa/gastank/sign", rateLimiters.Middleware("signUserOp"), middleware.Metrics("api.aa.gastank.signature"), middleware.Wrap(gasTankController.Sign))
if services.GasTank != nil {
gasTankController := NewGasTankController(services)
api.POST("/aa/gastank/prepare/credit", middleware.Metrics("api.aa.gastank.prepare.credit"), middleware.Wrap(gasTankController.PrepareCredit))
api.POST("/aa/gastank/prepare/refund", middleware.Metrics("api.aa.gastank.prepare.refund"), middleware.Wrap(gasTankController.PrepareRefund))
api.POST("/aa/gastank/sign", rateLimiters.Middleware("signUserOp"), middleware.Metrics("api.aa.gastank.signature"), middleware.Wrap(gasTankController.Sign))
}

// token pay
tokenPayController := NewTokenPayController(services)
api.GET("/tokenpay/config", middleware.Metrics("api.tokenpay.config"), middleware.Wrap(tokenPayController.Config))
api.GET("/tokenpay/price", rateLimiters.Middleware("getPrice"), middleware.Metrics("api.tokenpay.price"), middleware.Wrap(tokenPayController.GetETHPrice))
api.POST("/tokenpay/submit", rateLimiters.Middleware("sponsor"), middleware.Metrics("api.tokenpay.submit"), middleware.Wrap(tokenPayController.Submit))
Expand Down
33 changes: 18 additions & 15 deletions service/service.go
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Original file line number Diff line number Diff line change
Expand Up @@ -13,8 +13,8 @@ import (
type Config struct {
RPC struct {
URL string
RequestTimeout time.Duration `default:"3s"`
PrivateKey string
RequestTimeout time.Duration `default:"3s"`
LogEnabled bool
}

Expand All @@ -28,9 +28,9 @@ type Config struct {
}

type Services struct {
AccountAbstract *AccountAbstract
AccountAbstract *AccountAbstract // may be nil if the delegated contract address is not specified
PriceOracle *PriceOracle
GasTank *GasTankPaymaster
GasTank *GasTankPaymaster // may be nil if the gas tank paymaster is not specified
TokenPay *TokenPay
}

Expand Down Expand Up @@ -66,21 +66,24 @@ func New(config Config) (Services, error) {
return Services{}, errors.WithMessage(err, "Failed to create transaction sender")
}

aa := NewAccountAbstract(txSender, config.AccountAbstract.DelegatedContract)

priceOracle := NewPriceOracle(config.TokenPay.normalizedTokens)

gasTank, err := NewGasTankPaymaster(config.GasTank, priceOracle, client)
if err != nil {
return Services{}, errors.WithMessage(err, "Failed to create gas tank paymaster service")
services := Services{
PriceOracle: priceOracle,
TokenPay: NewTokenPay(config.TokenPay, txSender, priceOracle),
}

tokenPay := NewTokenPay(config.TokenPay, txSender, priceOracle)
// AccountAbstract service is optional, only create it if the delegated contract address is specified
if config.AccountAbstract.DelegatedContract != (common.Address{}) {
services.AccountAbstract = NewAccountAbstract(txSender, config.AccountAbstract.DelegatedContract)
}
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// GasTankPaymaster service is optional, only create it if the gas tank paymaster address is specified
if config.GasTank.Address != (common.Address{}) {
if services.GasTank, err = NewGasTankPaymaster(config.GasTank, priceOracle, client); err != nil {
return Services{}, errors.WithMessage(err, "Failed to create gas tank paymaster service")
}
}

return Services{
AccountAbstract: aa,
PriceOracle: priceOracle,
GasTank: gasTank,
TokenPay: tokenPay,
}, nil
return services, nil
}
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