mirror of
https://github.com/logos-storage/nim-nitro.git
synced 2026-01-02 21:53:06 +00:00
64 lines
1.5 KiB
Nim
64 lines
1.5 KiB
Nim
import pkg/nimcrypto
|
|
import ./types
|
|
import ./channel
|
|
import ./outcome
|
|
import ./abi
|
|
|
|
export types
|
|
export channel
|
|
export outcome
|
|
|
|
type
|
|
State* = object
|
|
turnNum*: UInt48
|
|
isFinal*: bool
|
|
channel*: Channel
|
|
challengeDuration*: UInt48
|
|
outcome*: Outcome
|
|
appDefinition*: EthAddress
|
|
appData*: seq[byte]
|
|
FixedPart* = object
|
|
chainId*: UInt256
|
|
participants*: seq[EthAddress]
|
|
channelNonce*: UInt48
|
|
appDefinition*: EthAddress
|
|
challengeDuration*: UInt48
|
|
VariablePart* = object
|
|
outcome*: seq[byte]
|
|
appdata*: seq[byte]
|
|
|
|
proc fixedPart*(state: State): FixedPart =
|
|
FixedPart(
|
|
chainId: state.channel.chainId,
|
|
participants: state.channel.participants,
|
|
channelNonce: state.channel.nonce,
|
|
appDefinition: state.appDefinition,
|
|
challengeDuration: state.challengeDuration
|
|
)
|
|
|
|
proc variablePart*(state: State): VariablePart =
|
|
VariablePart(
|
|
outcome: Abi.encode(state.outcome),
|
|
appData: state.appData
|
|
)
|
|
|
|
proc hashAppPart*(state: State): array[32, byte] =
|
|
var writer: AbiWriter
|
|
writer.startTuple()
|
|
writer.write(state.challengeDuration)
|
|
writer.write(state.appDefinition)
|
|
writer.write(state.appData)
|
|
writer.finishTuple()
|
|
keccak256.digest(writer.finish).data
|
|
|
|
proc hashState*(state: State): array[32, byte] =
|
|
var writer: AbiWriter
|
|
writer.startTuple()
|
|
writer.write(state.turnNum)
|
|
writer.write(state.isFinal)
|
|
writer.write(getChannelId(state.channel))
|
|
writer.write(hashAppPart(state))
|
|
writer.write(hashOutcome(state.outcome))
|
|
writer.finishTuple()
|
|
keccak256.digest(writer.finish).data
|