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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"encoding/json"
"fmt"
"math/big"
"reflect"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type WaitForBlockArgs struct {
MinHeight int
Timeout int // in seconds
}
func (args *WaitForBlockArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) > 2 {
return fmt.Errorf("waitForArgs needs 0, 1, 2 arguments")
}
// default values when not provided
args.MinHeight = -1
args.Timeout = -1
if len(obj) >= 1 {
var minHeight *big.Int
if minHeight, err = numString(obj[0]); err != nil {
return err
}
args.MinHeight = int(minHeight.Int64())
}
if len(obj) >= 2 {
timeout, err := numString(obj[1])
if err != nil {
return err
}
args.Timeout = int(timeout.Int64())
}
return nil
}
type MetricsArgs struct {
Raw bool
}
func (args *MetricsArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) > 1 {
return fmt.Errorf("metricsArgs needs 0, 1 arguments")
}
// default values when not provided
if len(obj) >= 1 && obj[0] != nil {
if value, ok := obj[0].(bool); !ok {
return fmt.Errorf("invalid argument %v", reflect.TypeOf(obj[0]))
} else {
args.Raw = value
}
}
return nil
}
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