nim-dagger/dagger/rest/json.nim

16 lines
554 B
Nim
Raw Normal View History

import std/json
import std/strutils
import pkg/stew/byteutils
import pkg/questionable/results
import ../sales
func fromHex(T: type SomeInteger, s: string): T =
strutils.fromHex[T](s)
proc fromJson*(_: type Availability, bytes: seq[byte]): ?!Availability =
let json = ?catch parseJson(string.fromBytes(bytes))
let size = ?catch UInt256.fromHex(json["size"].getStr)
let duration = ?catch uint64.fromHex(json["duration"].getStr)
let minPrice = ?catch uint64.fromHex(json["minPrice"].getStr)
success Availability.init(size, duration, minPrice)