nim-codex/tests/examples.nim

81 lines
2.4 KiB
Nim

import std/random
import std/sequtils
import std/times
import std/typetraits
import pkg/codex/contracts/requests
import pkg/codex/contracts/proofs
import pkg/codex/sales/slotqueue
import pkg/codex/stores
import pkg/stint
proc exampleString*(length: int): string =
let chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
result = newString(length) # Create a new empty string with a given length
for i in 0..<length:
result[i] = chars[rand(chars.len-1)] # Generate a random index and set the string's character
proc example*[T: SomeInteger](_: type T): T =
rand(T)
proc example*[T,N](_: type array[N, T]): array[N, T] =
for item in result.mitems:
item = T.example
proc example*[T](_: type seq[T]): seq[T] =
let length = uint8.example.int
newSeqWith(length, T.example)
proc example*(_: type UInt256): UInt256 =
UInt256.fromBytes(array[32, byte].example)
proc example*[T: distinct](_: type T): T =
type baseType = T.distinctBase
T(baseType.example)
proc example*(_: type StorageRequest): StorageRequest =
StorageRequest(
client: Address.example,
ask: StorageAsk(
slots: 4,
slotSize: (1 * 1024 * 1024 * 1024).u256, # 1 Gigabyte
duration: (10 * 60 * 60).u256, # 10 hours
collateral: 200.u256,
proofProbability: 4.u256, # require a proof roughly once every 4 periods
reward: 84.u256,
maxSlotLoss: 2 # 2 slots can be freed without data considered to be lost
),
content: StorageContent(
cid: "zb2rhheVmk3bLks5MgzTqyznLu1zqGH5jrfTA1eAZXrjx7Vob",
merkleRoot: array[32, byte].example
),
expiry: (getTime() + 1.hours).toUnix.u256,
nonce: Nonce.example
)
proc example*(_: type Slot): Slot =
let request = StorageRequest.example
let slotIndex = rand(request.ask.slots.int).u256
Slot(request: request, slotIndex: slotIndex)
proc example*(_: type SlotQueueItem): SlotQueueItem =
let request = StorageRequest.example
let slot = Slot.example
SlotQueueItem.init(request, slot.slotIndex.truncate(uint16))
proc example(_: type G1Point): G1Point =
G1Point(x: UInt256.example, y: UInt256.example)
proc example(_: type G2Point): G2Point =
G2Point(
x: [UInt256.example, UInt256.example],
y: [UInt256.example, UInt256.example]
)
proc example*(_: type Groth16Proof): Groth16Proof =
Groth16Proof(
a: G1Point.example,
b: G2Point.example,
c: G1Point.example
)