github.com/jeffallen/go-ethereum@v1.1.4-0.20150910155051-571d3236c49c/rpc/api/debug_args.go (about) 1 // Copyright 2015 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The go-ethereum library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 16 17 package api 18 19 import ( 20 "encoding/json" 21 "fmt" 22 "math/big" 23 "reflect" 24 25 "github.com/ethereum/go-ethereum/rpc/shared" 26 ) 27 28 type WaitForBlockArgs struct { 29 MinHeight int 30 Timeout int // in seconds 31 } 32 33 func (args *WaitForBlockArgs) UnmarshalJSON(b []byte) (err error) { 34 var obj []interface{} 35 if err := json.Unmarshal(b, &obj); err != nil { 36 return shared.NewDecodeParamError(err.Error()) 37 } 38 39 if len(obj) > 2 { 40 return fmt.Errorf("waitForArgs needs 0, 1, 2 arguments") 41 } 42 43 // default values when not provided 44 args.MinHeight = -1 45 args.Timeout = -1 46 47 if len(obj) >= 1 { 48 var minHeight *big.Int 49 if minHeight, err = numString(obj[0]); err != nil { 50 return err 51 } 52 args.MinHeight = int(minHeight.Int64()) 53 } 54 55 if len(obj) >= 2 { 56 timeout, err := numString(obj[1]) 57 if err != nil { 58 return err 59 } 60 args.Timeout = int(timeout.Int64()) 61 } 62 63 return nil 64 } 65 66 type MetricsArgs struct { 67 Raw bool 68 } 69 70 func (args *MetricsArgs) UnmarshalJSON(b []byte) (err error) { 71 var obj []interface{} 72 if err := json.Unmarshal(b, &obj); err != nil { 73 return shared.NewDecodeParamError(err.Error()) 74 } 75 if len(obj) > 1 { 76 return fmt.Errorf("metricsArgs needs 0, 1 arguments") 77 } 78 // default values when not provided 79 if len(obj) >= 1 && obj[0] != nil { 80 if value, ok := obj[0].(bool); !ok { 81 return fmt.Errorf("invalid argument %v", reflect.TypeOf(obj[0])) 82 } else { 83 args.Raw = value 84 } 85 } 86 return nil 87 }