nim-codex/codex/contracts/requests.nim

166 lines
4.6 KiB
Nim

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