mirror of
https://github.com/logos-storage/nim-nitro.git
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62 lines
1.4 KiB
Nim
62 lines
1.4 KiB
Nim
import pkg/nimcrypto
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import ../basics
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import ./channel
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import ./outcome
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import ./abi
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push: {.upraises:[].}
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export basics
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export channel
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export outcome
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type
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State* = object
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turnNum*: UInt48
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isFinal*: bool
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channel*: ChannelDefinition
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challengeDuration*: UInt48
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outcome*: Outcome
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appDefinition*: EthAddress
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appData*: seq[byte]
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FixedPart* = object
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chainId*: UInt256
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participants*: seq[EthAddress]
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channelNonce*: UInt48
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appDefinition*: EthAddress
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challengeDuration*: UInt48
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VariablePart* = object
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outcome*: seq[byte]
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appdata*: seq[byte]
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func fixedPart*(state: State): FixedPart =
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FixedPart(
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chainId: state.channel.chainId,
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participants: state.channel.participants,
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channelNonce: state.channel.nonce,
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appDefinition: state.appDefinition,
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challengeDuration: state.challengeDuration
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)
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func variablePart*(state: State): VariablePart =
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VariablePart(
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outcome: AbiEncoder.encode(state.outcome),
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appData: state.appData
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)
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func hashAppPart*(state: State): array[32, byte] =
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let encoding = AbiEncoder.encode:
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(state.challengeDuration, state.appDefinition, state.appData)
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keccak256.digest(encoding).data
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func hashState*(state: State): array[32, byte] =
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let encoding = AbiEncoder.encode:
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(
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state.turnNum,
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state.isFinal,
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getChannelId(state.channel),
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hashAppPart(state),
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hashOutcome(state.outcome)
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)
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keccak256.digest(encoding).data
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