syntax = "proto3"; package example.otp; option go_package = "github.com/m3o/m3o-go-examples/otp/proto;otp"; service OTP { rpc Send(SendRequest) returns (SendResponse); rpc Verify(VerifyRequest) returns (VerifyResponse); } message SendRequest { string phone_number = 1; } message SendResponse {} message VerifyRequest { string phone_number = 1; string code = 2; } message VerifyResponse {}