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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
import { clone } from 'ramda'
// Actions
const BASIC_GAS_ESTIMATE_LOADING_FINISHED = 'metamask/gas/BASIC_GAS_ESTIMATE_LOADING_FINISHED'
const BASIC_GAS_ESTIMATE_LOADING_STARTED = 'metamask/gas/BASIC_GAS_ESTIMATE_LOADING_STARTED'
const RESET_CUSTOM_GAS_STATE = 'metamask/gas/RESET_CUSTOM_GAS_STATE'
const SET_BASIC_GAS_ESTIMATE_DATA = 'metamask/gas/SET_BASIC_GAS_ESTIMATE_DATA'
const SET_CUSTOM_GAS_ERRORS = 'metamask/gas/SET_CUSTOM_GAS_ERRORS'
const SET_CUSTOM_GAS_LIMIT = 'metamask/gas/SET_CUSTOM_GAS_LIMIT'
const SET_CUSTOM_GAS_PRICE = 'metamask/gas/SET_CUSTOM_GAS_PRICE'
const SET_CUSTOM_GAS_TOTAL = 'metamask/gas/SET_CUSTOM_GAS_TOTAL'
// TODO: determine if this approach to initState is consistent with conventional ducks pattern
const initState = {
customData: {
price: null,
limit: '0x5208',
},
basicEstimates: {
average: null,
fastestWait: null,
fastWait: null,
fast: null,
safeLowWait: null,
blockNum: null,
avgWait: null,
blockTime: null,
speed: null,
fastest: null,
safeLow: null,
},
basicEstimateIsLoading: true,
errors: {},
}
// Reducer
export default function reducer ({ gas: gasState = initState }, action = {}) {
const newState = clone(gasState)
switch (action.type) {
case BASIC_GAS_ESTIMATE_LOADING_STARTED:
return {
...newState,
basicEstimateIsLoading: true,
}
case BASIC_GAS_ESTIMATE_LOADING_FINISHED:
return {
...newState,
basicEstimateIsLoading: false,
}
case SET_BASIC_GAS_ESTIMATE_DATA:
return {
...newState,
basicEstimates: action.value,
}
case SET_CUSTOM_GAS_PRICE:
return {
...newState,
customData: {
...newState.customData,
price: action.value,
},
}
case SET_CUSTOM_GAS_LIMIT:
return {
...newState,
customData: {
...newState.customData,
limit: action.value,
},
}
case SET_CUSTOM_GAS_TOTAL:
return {
...newState,
customData: {
...newState.customData,
total: action.value,
},
}
case SET_CUSTOM_GAS_ERRORS:
return {
...newState,
errors: {
...newState.errors,
...action.value,
},
}
case RESET_CUSTOM_GAS_STATE:
return clone(initState)
default:
return newState
}
}
// Action Creators
export function basicGasEstimatesLoadingStarted () {
return {
type: BASIC_GAS_ESTIMATE_LOADING_STARTED,
}
}
export function basicGasEstimatesLoadingFinished () {
return {
type: BASIC_GAS_ESTIMATE_LOADING_FINISHED,
}
}
export function fetchGasEstimates () {
return (dispatch) => {
dispatch(basicGasEstimatesLoadingStarted())
return fetch('https://ethgasstation.info/json/ethgasAPI.json', {
'headers': {},
'referrer': 'http://ethgasstation.info/json/',
'referrerPolicy': 'no-referrer-when-downgrade',
'body': null,
'method': 'GET',
'mode': 'cors'}
)
.then(r => r.json())
.then(({
average,
avgWait,
block_time: blockTime,
blockNum,
fast,
fastest,
fastestWait,
fastWait,
safeLow,
safeLowWait,
speed,
}) => {
dispatch(setBasicGasEstimateData({
average,
avgWait,
blockTime,
blockNum,
fast,
fastest,
fastestWait,
fastWait,
safeLow,
safeLowWait,
speed,
}))
dispatch(basicGasEstimatesLoadingFinished())
})
}
}
export function setBasicGasEstimateData (basicGasEstimateData) {
return {
type: SET_BASIC_GAS_ESTIMATE_DATA,
value: basicGasEstimateData,
}
}
export function setCustomGasPrice (newPrice) {
return {
type: SET_CUSTOM_GAS_PRICE,
value: newPrice,
}
}
export function setCustomGasLimit (newLimit) {
return {
type: SET_CUSTOM_GAS_LIMIT,
value: newLimit,
}
}
export function setCustomGasTotal (newTotal) {
return {
type: SET_CUSTOM_GAS_TOTAL,
value: newTotal,
}
}
export function setCustomGasErrors (newErrors) {
return {
type: SET_CUSTOM_GAS_ERRORS,
value: newErrors,
}
}
export function resetCustomGasState () {
return { type: RESET_CUSTOM_GAS_STATE }
}
|
