50 lines
1.4 KiB
Nim
50 lines
1.4 KiB
Nim
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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import ../purchasing
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type
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StorageRequestParams* = object
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duration*: UInt256
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maxPrice*: UInt256
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expiry*: ?UInt256
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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 UInt256.fromHex(json["duration"].getStr)
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let minPrice = ?catch UInt256.fromHex(json["minPrice"].getStr)
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success Availability.init(size, duration, minPrice)
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proc fromJson*(_: type StorageRequestParams,
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bytes: seq[byte]): ?! StorageRequestParams =
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let json = ?catch parseJson(string.fromBytes(bytes))
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let duration = ?catch UInt256.fromHex(json["duration"].getStr)
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let maxPrice = ?catch UInt256.fromHex(json["maxPrice"].getStr)
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let expiry = UInt256.fromHex(json["expiry"].getStr).catch.option
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success StorageRequestParams(
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duration: duration,
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maxPrice: maxPrice,
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expiry: expiry
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)
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func `%`*(address: Address): JsonNode =
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% $address
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func `%`*(stint: StInt|StUInt): JsonNode =
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%("0x" & stint.toHex)
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func `%`*(arr: openArray[byte]): JsonNode =
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%("0x" & arr.toHex)
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func `%`*(purchase: Purchase): JsonNode =
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%*{
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"finished": purchase.finished,
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"error": purchase.error.?msg,
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"request": purchase.request,
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"offers": purchase.offers,
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"selected": purchase.selected
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}
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