aboutsummaryrefslogtreecommitdiffstats
path: root/rpc/api/db_args.go
blob: 7e0a37078bd8304a87ddf1566b793d2493ffa7a7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum 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.
//
// go-ethereum 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 go-ethereum.  If not, see <http://www.gnu.org/licenses/>.

package api

import (
    "encoding/json"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/rpc/shared"
)

type DbArgs struct {
    Database string
    Key      string
    Value    []byte
}

func (args *DbArgs) 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 shared.NewInsufficientParamsError(len(obj), 2)
    }

    var objstr string
    var ok bool

    if objstr, ok = obj[0].(string); !ok {
        return shared.NewInvalidTypeError("database", "not a string")
    }
    args.Database = objstr

    if objstr, ok = obj[1].(string); !ok {
        return shared.NewInvalidTypeError("key", "not a string")
    }
    args.Key = objstr

    if len(obj) > 2 {
        objstr, ok = obj[2].(string)
        if !ok {
            return shared.NewInvalidTypeError("value", "not a string")
        }

        args.Value = []byte(objstr)
    }

    return nil
}

func (a *DbArgs) requirements() error {
    if len(a.Database) == 0 {
        return shared.NewValidationError("Database", "cannot be blank")
    }
    if len(a.Key) == 0 {
        return shared.NewValidationError("Key", "cannot be blank")
    }
    return nil
}

type DbHexArgs struct {
    Database string
    Key      string
    Value    []byte
}

func (args *DbHexArgs) 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 shared.NewInsufficientParamsError(len(obj), 2)
    }

    var objstr string
    var ok bool

    if objstr, ok = obj[0].(string); !ok {
        return shared.NewInvalidTypeError("database", "not a string")
    }
    args.Database = objstr

    if objstr, ok = obj[1].(string); !ok {
        return shared.NewInvalidTypeError("key", "not a string")
    }
    args.Key = objstr

    if len(obj) > 2 {
        objstr, ok = obj[2].(string)
        if !ok {
            return shared.NewInvalidTypeError("value", "not a string")
        }

        args.Value = common.FromHex(objstr)
    }

    return nil
}

func (a *DbHexArgs) requirements() error {
    if len(a.Database) == 0 {
        return shared.NewValidationError("Database", "cannot be blank")
    }
    if len(a.Key) == 0 {
        return shared.NewValidationError("Key", "cannot be blank")
    }
    return nil
}