EthPaymaster-Back EthPaymaster relay Back-end Service Basic flow : Quick Start 1. Swagger 1.1 install go install github.com/swaggo/swag/cmd/swag@latest 1.2 init swag swag init -g ./cmd/server/main.go FAQ: Unknown LeftDelim and RightDelim in swag.Spec 2. Run go mod tidy go run ./cmd/server/main.go