func (state *ComputePeerState) OneSub(action *sproto.Action) *sproto.Response {
//fmt.Println("Subtraction one from value")
result := *action.Result
share0 := *action.Share0
share0val, hasShare0val := state.SharesGet(share0)
if hasShare0val {
val := core.Sub(1, share0val)
state.SharesSet(result, val)
}
return state.failResponse(action.GetRequestCode())
}
// Compare to const
func (state *ComputePeerState) CmpConst(action *sproto.Action) *sproto.Response {
//fmt.Println("Comparing to constant")
result := *action.Result
share0 := *action.Share0
val := *action.Value
share0val, hasShare0Val := state.SharesGet(share0)
rcode := *action.RequestCode
if !hasShare0Val {
return state.failResponse(action.GetRequestCode())
}
//fmt.Printf("For rcode %d (CMPCONST) subtracting\n", rcode)
res := core.Sub(val, share0val)
//fmt.Printf("For rcode %d (CMPCONST) neqz\n", rcode)
res = state.neqz(res, rcode)
//fmt.Printf("For rcode %d (CMPCONST) done with neqz\n", rcode)
one := int64(1)
//fmt.Printf("For rcode %d (CMPCONST) subtracting\n", rcode)
res = core.Sub(one, res)
//fmt.Printf("For rcode %d (CMPCONST) setting share\n", rcode)
state.SharesSet(result, res)
//fmt.Printf("Done comparing to const\n")
return state.okResponse(action.GetRequestCode())
}
// Test equality to zero
func (state *ComputePeerState) Eqz(action *sproto.Action) *sproto.Response {
//fmt.Println("Comparing values")
result := *action.Result
share0 := *action.Share0
share0val, hasShare0Val := state.SharesGet(share0)
rcode := *action.RequestCode
if !hasShare0Val {
return state.failResponse(action.GetRequestCode())
}
res := state.neqz(share0val, rcode)
one := int64(1)
res = core.Sub(one, res)
state.SharesSet(result, res)
//fmt.Printf("Done testing value for zero\n")
return state.okResponse(action.GetRequestCode())
}
// Compare to const
func (state *ComputePeerState) NeqConst(action *sproto.Action) *sproto.Response {
//fmt.Println("Comparing to constant")
result := *action.Result
share0 := *action.Share0
val := *action.Value
share0val, hasShare0Val := state.SharesGet(share0)
rcode := *action.RequestCode
if !hasShare0Val {
//fmt.Printf("Failing, variable %s not found\n", share0)
return state.failResponse(action.GetRequestCode())
}
res := core.Sub(val, share0val)
//fmt.Printf("Subtractiong const %d", val)
res = state.neqz(res, rcode)
state.SharesSet(result, res)
//fmt.Printf("Done comparing to const\n")
return state.okResponse(action.GetRequestCode())
}
func (state *ComputePeerState) ncmp(share0val int64, share1val int64, rcode int64) int64 {
a := core.Sub(share0val, share1val)
return state.neqz(a, rcode)
}