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feetarget.go
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feetarget.go
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// Copyright 2018 Shift Devices AG
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package accounts
import (
"github.com/digitalbitbox/bitbox-wallet-app/util/errp"
)
// FeeTarget interface has priority codes.
// Coin specific methods are implemented in corresponding coins
type FeeTarget interface {
Code() FeeTargetCode
}
// FeeTargetCode models the code of a fee target. See the constants below.
type FeeTargetCode string
// NewFeeTargetCode checks if the code is valid and returns a FeeTargetCode in that case.
func NewFeeTargetCode(code string) (FeeTargetCode, error) {
switch code {
case "":
return DefaultFeeTarget, nil
case string(FeeTargetCodeLow):
case string(FeeTargetCodeEconomy):
case string(FeeTargetCodeNormal):
case string(FeeTargetCodeHigh):
default:
return "", errp.WithStack(errp.Newf("Unrecognized fee target code %s", code))
}
return FeeTargetCode(code), nil
}
const (
// FeeTargetCodeLow is the low priority fee target.
FeeTargetCodeLow FeeTargetCode = "low"
// FeeTargetCodeEconomy is the economy priority fee target.
FeeTargetCodeEconomy FeeTargetCode = "economy"
// FeeTargetCodeNormal is the normal priority fee target.
FeeTargetCodeNormal FeeTargetCode = "normal"
// FeeTargetCodeHigh is the high priority fee target.
FeeTargetCodeHigh FeeTargetCode = "high"
// DefaultFeeTarget is the default fee target
DefaultFeeTarget = FeeTargetCodeNormal
)