package market const ( DEPTH_SIZE_FIVE = 5 DEPTH_SIZE_TEN = 10 DEPTH_SIZE_TWENTY = 20 ) const ( STEP0 = "step0" STEP1 = "step1" STEP2 = "step2" STEP3 = "step3" STEP4 = "step4" STEP5 = "step5" ) type GetDepthOptionalRequest struct { Size int }