nim-codex/codex/blockexchange/protobuf/payments.nim

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import pkg/stew/byteutils
import pkg/stint
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import pkg/nitro
import pkg/questionable
import pkg/upraises
import ./blockexc
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export AccountMessage
export StateChannelUpdate
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export stint
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export nitro
push: {.upraises: [].}
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type
Account* = object
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address*: EthAddress
func init*(_: type AccountMessage, account: Account): AccountMessage =
AccountMessage(address: @(account.address.toArray))
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func parse(_: type EthAddress, bytes: seq[byte]): ?EthAddress =
var address: array[20, byte]
if bytes.len != address.len:
return EthAddress.none
for i in 0..<address.len:
address[i] = bytes[i]
EthAddress(address).some
func init*(_: type Account, message: AccountMessage): ?Account =
without address =? EthAddress.parse(message.address):
return none Account
some Account(address: address)
func init*(_: type StateChannelUpdate, state: SignedState): StateChannelUpdate =
StateChannelUpdate(update: state.toJson.toBytes)
proc init*(_: type SignedState, update: StateChannelUpdate): ?SignedState =
SignedState.fromJson(string.fromBytes(update.update))