aboutsummaryrefslogtreecommitdiffstats
path: root/chain/error.go
blob: 0c4d6e59ed7ae4ff2e75c49f4f074c5e2f7beec9 (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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
package chain

import (
    "fmt"
    "math/big"
)

// Parent error. In case a parent is unknown this error will be thrown
// by the block manager
type ParentErr struct {
    Message string
}

func (err *ParentErr) Error() string {
    return err.Message
}

func ParentError(hash []byte) error {
    return &ParentErr{Message: fmt.Sprintf("Block's parent unkown %x", hash)}
}

func IsParentErr(err error) bool {
    _, ok := err.(*ParentErr)

    return ok
}

type UncleErr struct {
    Message string
}

func (err *UncleErr) Error() string {
    return err.Message
}

func UncleError(str string) error {
    return &UncleErr{Message: str}
}

func IsUncleErr(err error) bool {
    _, ok := err.(*UncleErr)

    return ok
}

// Block validation error. If any validation fails, this error will be thrown
type ValidationErr struct {
    Message string
}

func (err *ValidationErr) Error() string {
    return err.Message
}

func ValidationError(format string, v ...interface{}) *ValidationErr {
    return &ValidationErr{Message: fmt.Sprintf(format, v...)}
}

func IsValidationErr(err error) bool {
    _, ok := err.(*ValidationErr)

    return ok
}

type GasLimitErr struct {
    Message string
    Is, Max *big.Int
}

func IsGasLimitErr(err error) bool {
    _, ok := err.(*GasLimitErr)

    return ok
}
func (err *GasLimitErr) Error() string {
    return err.Message
}
func GasLimitError(is, max *big.Int) *GasLimitErr {
    return &GasLimitErr{Message: fmt.Sprintf("GasLimit error. Max %s, transaction would take it to %s", max, is), Is: is, Max: max}
}

type NonceErr struct {
    Message string
    Is, Exp uint64
}

func (err *NonceErr) Error() string {
    return err.Message
}

func NonceError(is, exp uint64) *NonceErr {
    return &NonceErr{Message: fmt.Sprintf("Nonce err. Is %d, expected %d", is, exp), Is: is, Exp: exp}
}

func IsNonceErr(err error) bool {
    _, ok := err.(*NonceErr)

    return ok
}

type OutOfGasErr struct {
    Message string
}

func OutOfGasError() *OutOfGasErr {
    return &OutOfGasErr{Message: "Out of gas"}
}
func (self *OutOfGasErr) Error() string {
    return self.Message
}

func IsOutOfGasErr(err error) bool {
    _, ok := err.(*OutOfGasErr)

    return ok
}

type TDError struct {
    a, b *big.Int
}

func (self *TDError) Error() string {
    return fmt.Sprintf("incoming chain has a lower or equal TD (%v <= %v)", self.a, self.b)
}
func IsTDError(e error) bool {
    _, ok := e.(*TDError)
    return ok
}

type KnownBlockError struct {
    number *big.Int
    hash   []byte
}

func (self *KnownBlockError) Error() string {
    return fmt.Sprintf("block %v already known (%x)", self.number, self.hash[0:4])
}
func IsKnownBlockErr(e error) bool {
    _, ok := e.(*KnownBlockError)
    return ok
}