206 lines
5.4 KiB
Nim
206 lines
5.4 KiB
Nim
import std/hashes
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import pkg/contractabi
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import pkg/nimcrypto
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import pkg/ethers/fields
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import pkg/questionable/results
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import pkg/stew/byteutils
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export contractabi
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type
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StorageRequest* = object
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client*: Address
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ask*: StorageAsk
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content*: StorageContent
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expiry*: UInt256
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nonce*: Nonce
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StorageAsk* = object
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slots*: uint64
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slotSize*: UInt256
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duration*: UInt256
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proofProbability*: UInt256
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reward*: UInt256
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collateral*: UInt256
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maxSlotLoss*: uint64
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StorageContent* = object
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cid*: string
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erasure*: StorageErasure
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por*: StoragePoR
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StorageErasure* = object
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totalChunks*: uint64
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StoragePoR* = object
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u*: seq[byte]
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publicKey*: seq[byte]
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name*: seq[byte]
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Slot* = object
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request*: StorageRequest
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slotIndex*: UInt256
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SlotId* = distinct array[32, byte]
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RequestId* = distinct array[32, byte]
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Nonce* = distinct array[32, byte]
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RequestState* {.pure.} = enum
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New
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Started
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Cancelled
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Finished
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Failed
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SlotState* {.pure.} = enum
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Free
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Filled
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Finished
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Failed
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Paid
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proc `==`*(x, y: Nonce): bool {.borrow.}
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proc `==`*(x, y: RequestId): bool {.borrow.}
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proc `==`*(x, y: SlotId): bool {.borrow.}
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proc hash*(x: SlotId): Hash {.borrow.}
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proc hash*(x: Nonce): Hash {.borrow.}
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proc hash*(x: Address): Hash {.borrow.}
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func toArray*(id: RequestId | SlotId | Nonce): array[32, byte] =
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array[32, byte](id)
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proc `$`*(id: RequestId | SlotId | Nonce): string =
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id.toArray.toHex
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proc fromHex*(T: type RequestId, hex: string): T =
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T array[32, byte].fromHex(hex)
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proc fromHex*(T: type SlotId, hex: string): T =
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T array[32, byte].fromHex(hex)
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proc fromHex*(T: type Nonce, hex: string): T =
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T array[32, byte].fromHex(hex)
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func fromTuple(_: type StorageRequest, tupl: tuple): StorageRequest =
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StorageRequest(
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client: tupl[0],
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ask: tupl[1],
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content: tupl[2],
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expiry: tupl[3],
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nonce: tupl[4]
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)
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func fromTuple(_: type Slot, tupl: tuple): Slot =
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Slot(
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request: tupl[0],
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slotIndex: tupl[1]
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)
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func fromTuple(_: type StorageAsk, tupl: tuple): StorageAsk =
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StorageAsk(
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slots: tupl[0],
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slotSize: tupl[1],
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duration: tupl[2],
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proofProbability: tupl[3],
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reward: tupl[4],
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collateral: tupl[5],
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maxSlotLoss: tupl[6]
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)
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func fromTuple(_: type StorageContent, tupl: tuple): StorageContent =
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StorageContent(
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cid: tupl[0],
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erasure: tupl[1],
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por: tupl[2]
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)
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func fromTuple(_: type StorageErasure, tupl: tuple): StorageErasure =
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StorageErasure(
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totalChunks: tupl[0]
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)
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func fromTuple(_: type StoragePoR, tupl: tuple): StoragePoR =
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StoragePoR(
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u: tupl[0],
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publicKey: tupl[1],
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name: tupl[2]
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)
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func solidityType*(_: type StoragePoR): string =
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solidityType(StoragePoR.fieldTypes)
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func solidityType*(_: type StorageErasure): string =
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solidityType(StorageErasure.fieldTypes)
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func solidityType*(_: type StorageContent): string =
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solidityType(StorageContent.fieldTypes)
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func solidityType*(_: type StorageAsk): string =
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solidityType(StorageAsk.fieldTypes)
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func solidityType*(_: type StorageRequest): string =
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solidityType(StorageRequest.fieldTypes)
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func encode*(encoder: var AbiEncoder, por: StoragePoR) =
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encoder.write(por.fieldValues)
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func encode*(encoder: var AbiEncoder, erasure: StorageErasure) =
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encoder.write(erasure.fieldValues)
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func encode*(encoder: var AbiEncoder, content: StorageContent) =
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encoder.write(content.fieldValues)
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func encode*(encoder: var AbiEncoder, ask: StorageAsk) =
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encoder.write(ask.fieldValues)
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func encode*(encoder: var AbiEncoder, id: RequestId | SlotId | Nonce) =
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encoder.write(id.toArray)
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func encode*(encoder: var AbiEncoder, request: StorageRequest) =
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encoder.write(request.fieldValues)
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func encode*(encoder: var AbiEncoder, request: Slot) =
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encoder.write(request.fieldValues)
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func decode*(decoder: var AbiDecoder, T: type StoragePoR): ?!T =
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let tupl = ?decoder.read(StoragePoR.fieldTypes)
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success StoragePoR.fromTuple(tupl)
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func decode*(decoder: var AbiDecoder, T: type StorageErasure): ?!T =
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let tupl = ?decoder.read(StorageErasure.fieldTypes)
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success StorageErasure.fromTuple(tupl)
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func decode*(decoder: var AbiDecoder, T: type StorageContent): ?!T =
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let tupl = ?decoder.read(StorageContent.fieldTypes)
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success StorageContent.fromTuple(tupl)
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func decode*(decoder: var AbiDecoder, T: type StorageAsk): ?!T =
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let tupl = ?decoder.read(StorageAsk.fieldTypes)
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success StorageAsk.fromTuple(tupl)
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func decode*(decoder: var AbiDecoder, T: type StorageRequest): ?!T =
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let tupl = ?decoder.read(StorageRequest.fieldTypes)
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success StorageRequest.fromTuple(tupl)
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func decode*(decoder: var AbiDecoder, T: type Slot): ?!T =
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let tupl = ?decoder.read(Slot.fieldTypes)
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success Slot.fromTuple(tupl)
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func id*(request: StorageRequest): RequestId =
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let encoding = AbiEncoder.encode((request, ))
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RequestId(keccak256.digest(encoding).data)
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func slotId*(requestId: RequestId, slot: UInt256): SlotId =
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let encoding = AbiEncoder.encode((requestId, slot))
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SlotId(keccak256.digest(encoding).data)
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func slotId*(request: StorageRequest, slot: UInt256): SlotId =
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slotId(request.id, slot)
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func id*(slot: Slot): SlotId =
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slotId(slot.request, slot.slotIndex)
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func pricePerSlot*(ask: StorageAsk): UInt256 =
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ask.duration * ask.reward
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func price*(ask: StorageAsk): UInt256 =
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ask.slots.u256 * ask.pricePerSlot
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func price*(request: StorageRequest): UInt256 =
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request.ask.price
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func size*(ask: StorageAsk): UInt256 =
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ask.slots.u256 * ask.slotSize
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