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import extend from 'xtend'
// Actions
const SET_CUSTOM_GAS_PRICE = 'metamask/custom-gas/SET_CUSTOM_GAS_PRICE'
const SET_CUSTOM_GAS_LIMIT = 'metamask/custom-gas/SET_CUSTOM_GAS_LIMIT'
const SET_CUSTOM_GAS_ERRORS = 'metamask/custom-gas/SET_CUSTOM_GAS_ERRORS'
const RESET_CUSTOM_GAS_STATE = 'metamask/custom-gas/RESET_CUSTOM_GAS_STATE'
// TODO: determine if this approach to initState is consistent with conventional ducks pattern
const initState = {
price: 0,
limit: 21000,
errors: {},
}
// Reducer
export default function reducer ({ customGas: customGasState = initState }, action = {}) {
const newState = extend({}, customGasState)
switch (action.type) {
case SET_CUSTOM_GAS_PRICE:
return extend(newState, {
price: action.value,
})
case SET_CUSTOM_GAS_LIMIT:
return extend(newState, {
limit: action.value,
})
case SET_CUSTOM_GAS_ERRORS:
return extend(newState, {
errors: {
...newState.errors,
...action.value,
},
})
case RESET_CUSTOM_GAS_STATE:
return extend({}, initState)
default:
return newState
}
}
// Action Creators
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 setCustomGasErrors (newErrors) {
return {
type: SET_CUSTOM_GAS_ERRORS,
value: newErrors,
}
}
export function resetCustomGasState () {
return { type: RESET_CUSTOM_GAS_STATE }
}
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