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