pub fn ingress_induction_cost(
        &self,
        ingress: &SignedIngressContent,
    ) -> Result<IngressInductionCost, IngressInductionCostError> {
        let paying_canister = if is_subnet_message(ingress, self.own_subnet_id) {
            // If a subnet message, inspect the payload to figure out who should pay for the
            // message.
            match Method::from_str(ingress.method_name()) {
                Ok(Method::ProvisionalCreateCanisterWithCycles)
                | Ok(Method::ProvisionalTopUpCanister) => {
                    // Provisional methods are free.
                    None
                }
                Ok(Method::StartCanister)
                | Ok(Method::CanisterStatus)
                | Ok(Method::DeleteCanister)
                | Ok(Method::UninstallCode)
                | Ok(Method::StopCanister) => match CanisterIdRecord::decode(ingress.arg()) {
                    Ok(record) => Some(record.get_canister_id()),
                    Err(_) => return Err(IngressInductionCostError::InvalidSubnetPayload),
                },
                Ok(Method::UpdateSettings) => match UpdateSettingsArgs::decode(ingress.arg()) {
                    Ok(record) => Some(record.get_canister_id()),
                    Err(_) => return Err(IngressInductionCostError::InvalidSubnetPayload),
                },
                Ok(Method::SetController) => match SetControllerArgs::decode(ingress.arg()) {
                    Ok(record) => Some(record.get_canister_id()),
                    Err(_) => return Err(IngressInductionCostError::InvalidSubnetPayload),
                },
                Ok(Method::InstallCode) => match InstallCodeArgs::decode(ingress.arg()) {
                    Ok(record) => Some(record.get_canister_id()),
                    Err(_) => return Err(IngressInductionCostError::InvalidSubnetPayload),
                },
                Ok(Method::CreateCanister)
                | Ok(Method::SetupInitialDKG)
                | Ok(Method::DepositCycles)
                | Ok(Method::RawRand)
                | Ok(Method::SignWithECDSA)
                | Ok(Method::GetMockECDSAPublicKey)
                | Ok(Method::SignWithMockECDSA)
                | Err(_) => {
                    return Err(IngressInductionCostError::UnknownSubnetMethod);
                }
            }
        } else {
            // A message to a canister is always paid for by the receiving canister.
            Some(ingress.canister_id())
        };

        match paying_canister {
            Some(paying_canister) => {
                let bytes_to_charge = ingress.arg().len()
                    + ingress.method_name().len()
                    + ingress.nonce().map(|n| n.len()).unwrap_or(0);
                let cost = self.config.ingress_message_reception_fee
                    + self.config.ingress_byte_reception_fee * bytes_to_charge;
                Ok(IngressInductionCost::Fee {
                    payer: paying_canister,
                    cost,
                })
            }
            None => Ok(IngressInductionCost::Free),
        }
    }
/// Computes the cost of inducting an ingress message.
///
/// Returns a tuple containing:
///  - ID of the canister that should pay for the cost.
///  - The cost of inducting the message.
Computes the cost of inducting an ingress message.
Returns a tuple containing:
ID of the canister that should pay for the cost.
The cost of inducting the message.
Computes the cost of inducting an ingress message . Returns a tuple containing : ID of the canister that should pay for the cost . The cost of inducting the message .
pub fn ingress_induction_cost(
        &self,
        ingress: &SignedIngressContent,
    ) -> Result<IngressInductionCost, IngressInductionCostError> {
        let paying_canister = if is_subnet_message(ingress, self.own_subnet_id) {
            // If a subnet message, inspect the payload to figure out who should pay for the
            // message.
            match Method::from_str(ingress.method_name()) {
                Ok(Method::ProvisionalCreateCanisterWithCycles)
                | Ok(Method::ProvisionalTopUpCanister) => {
                    // Provisional methods are free.
                    None
                }
                Ok(Method::StartCanister)
                | Ok(Method::CanisterStatus)
                | Ok(Method::DeleteCanister)
                | Ok(Method::UninstallCode)
                | Ok(Method::StopCanister) => match CanisterIdRecord::decode(ingress.arg()) {
                    Ok(record) => Some(record.get_canister_id()),
                    Err(_) => return Err(IngressInductionCostError::InvalidSubnetPayload),
                },
                Ok(Method::UpdateSettings) => match UpdateSettingsArgs::decode(ingress.arg()) {
                    Ok(record) => Some(record.get_canister_id()),
                    Err(_) => return Err(IngressInductionCostError::InvalidSubnetPayload),
                },
                Ok(Method::SetController) => match SetControllerArgs::decode(ingress.arg()) {
                    Ok(record) => Some(record.get_canister_id()),
                    Err(_) => return Err(IngressInductionCostError::InvalidSubnetPayload),
                },
                Ok(Method::InstallCode) => match InstallCodeArgs::decode(ingress.arg()) {
                    Ok(record) => Some(record.get_canister_id()),
                    Err(_) => return Err(IngressInductionCostError::InvalidSubnetPayload),
                },
                Ok(Method::CreateCanister)
                | Ok(Method::SetupInitialDKG)
                | Ok(Method::DepositCycles)
                | Ok(Method::RawRand)
                | Ok(Method::SignWithECDSA)
                | Ok(Method::GetMockECDSAPublicKey)
                | Ok(Method::SignWithMockECDSA)
                | Err(_) => {
                    return Err(IngressInductionCostError::UnknownSubnetMethod);
                }
            }
        } else {
            // A message to a canister is always paid for by the receiving canister.
            Some(ingress.canister_id())
        };
        match paying_canister {
            Some(paying_canister) => {
                let bytes_to_charge = ingress.arg().len()
                    + ingress.method_name().len()
                    + ingress.nonce().map(|n| n.len()).unwrap_or(0);
                let cost = self.config.ingress_message_reception_fee
                    + self.config.ingress_byte_reception_fee * bytes_to_charge;
                Ok(IngressInductionCost::Fee {
                    payer: paying_canister,
                    cost,
                })
            }
            None => Ok(IngressInductionCost::Free),
        }
    }
pub fn ingress_induction_cost ( & self , ingress : & SignedIngressContent , ) -> Result < IngressInductionCost , IngressInductionCostError > { let paying_canister = if is_subnet_message ( ingress , self . own_subnet_id ) { // If a subnet message, inspect the payload to figure out who should pay for the // message. match Method :: from_str ( ingress . method_name ( ) ) { Ok ( Method :: ProvisionalCreateCanisterWithCycles ) | Ok ( Method :: ProvisionalTopUpCanister ) => { // Provisional methods are free. None } Ok ( Method :: StartCanister ) | Ok ( Method :: CanisterStatus ) | Ok ( Method :: DeleteCanister ) | Ok ( Method :: UninstallCode ) | Ok ( Method :: StopCanister ) => match CanisterIdRecord :: decode ( ingress . arg ( ) ) { Ok ( record ) => Some ( record . get_canister_id ( ) ) , Err ( _ ) => return Err ( IngressInductionCostError :: InvalidSubnetPayload ) , } , Ok ( Method :: UpdateSettings ) => match UpdateSettingsArgs :: decode ( ingress . arg ( ) ) { Ok ( record ) => Some ( record . get_canister_id ( ) ) , Err ( _ ) => return Err ( IngressInductionCostError :: InvalidSubnetPayload ) , } , Ok ( Method :: SetController ) => match SetControllerArgs :: decode ( ingress . arg ( ) ) { Ok ( record ) => Some ( record . get_canister_id ( ) ) , Err ( _ ) => return Err ( IngressInductionCostError :: InvalidSubnetPayload ) , } , Ok ( Method :: InstallCode ) => match InstallCodeArgs :: decode ( ingress . arg ( ) ) { Ok ( record ) => Some ( record . get_canister_id ( ) ) , Err ( _ ) => return Err ( IngressInductionCostError :: InvalidSubnetPayload ) , } , Ok ( Method :: CreateCanister ) | Ok ( Method :: SetupInitialDKG ) | Ok ( Method :: DepositCycles ) | Ok ( Method :: RawRand ) | Ok ( Method :: SignWithECDSA ) | Ok ( Method :: GetMockECDSAPublicKey ) | Ok ( Method :: SignWithMockECDSA ) | Err ( _ ) => { return Err ( IngressInductionCostError :: UnknownSubnetMethod ) ; } } } else { // A message to a canister is always paid for by the receiving canister. Some ( ingress . canister_id ( ) ) } ; match paying_canister { Some ( paying_canister ) => { let bytes_to_charge = ingress . arg ( ) . len ( ) + ingress . method_name ( ) . len ( ) + ingress . nonce ( ) . map ( | n | n . len ( ) ) . unwrap_or ( 0 ) ; let cost = self . config . ingress_message_reception_fee + self . config . ingress_byte_reception_fee * bytes_to_charge ; Ok ( IngressInductionCost :: Fee { payer : paying_canister , cost , } ) } None => Ok ( IngressInductionCost :: Free ) , } }
Computes the cost of inducting an ingress message.
Computes the cost of inducting an ingress message .
&self
ingress
&SignedIngressContent
&self
ingress
&SignedIngressContent