53 lines
1.4 KiB
Nim
53 lines
1.4 KiB
Nim
import pkg/protobuf_serialization
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import pkg/stew/byteutils
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import pkg/stint
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import pkg/nitro
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import pkg/questionable
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import pkg/upraises
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import ./bitswap
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export PricingMessage
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export StateChannelUpdate
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export stint
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export nitro
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push: {.upraises: [].}
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type
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Pricing* = object
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address*: EthAddress
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price*: UInt256
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func init*(_: type PricingMessage, pricing: Pricing): PricingMessage =
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PricingMessage(
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address: @(pricing.address.toArray),
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price: @(pricing.price.toBytesBE)
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)
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func parse(_: type EthAddress, bytes: seq[byte]): ?EthAddress =
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var address: array[20, byte]
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if bytes.len != address.len:
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return EthAddress.none
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for i in 0..<address.len:
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address[i] = bytes[i]
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EthAddress(address).some
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func parse(_: type UInt256, bytes: seq[byte]): ?UInt256 =
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if bytes.len > 32:
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return UInt256.none
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UInt256.fromBytesBE(bytes).some
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func init*(_: type Pricing, message: PricingMessage): ?Pricing =
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let address = EthAddress.parse(message.address)
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let price = UInt256.parse(message.price)
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if address.isNone or price.isNone:
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return Pricing.none
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Pricing(address: address.get, price: price.get).some
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func init*(_: type StateChannelUpdate, state: SignedState): StateChannelUpdate =
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StateChannelUpdate(update: state.toJson.toBytes)
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proc init*(_: type SignedState, update: StateChannelUpdate): ?SignedState =
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SignedState.fromJson(string.fromBytes(update.update))
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