104 lines
3.0 KiB
Nim
104 lines
3.0 KiB
Nim
import std/random
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import std/sequtils
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import std/times
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import std/typetraits
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import pkg/codex/contracts/requests
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import pkg/codex/rng
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import pkg/codex/contracts/proofs
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import pkg/codex/sales/slotqueue
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import pkg/codex/stores
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import pkg/codex/units
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import pkg/chronos
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import pkg/stew/byteutils
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import pkg/stint
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import ./codex/helpers/randomchunker
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export randomchunker
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export units
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proc exampleString*(length: int): string =
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let chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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result = newString(length) # Create a new empty string with a given length
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for i in 0..<length:
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result[i] = chars[rand(chars.len-1)] # Generate a random index and set the string's character
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proc example*[T: SomeInteger](_: type T): T =
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rand(T)
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proc example*[T,N](_: type array[N, T]): array[N, T] =
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for item in result.mitems:
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item = T.example
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proc example*[T](_: type seq[T]): seq[T] =
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let length = uint8.example.int
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newSeqWith(length, T.example)
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proc example*(_: type UInt256): UInt256 =
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UInt256.fromBytes(array[32, byte].example)
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proc example*[T: distinct](_: type T): T =
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type baseType = T.distinctBase
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T(baseType.example)
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proc example*(_: type StorageRequest): StorageRequest =
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StorageRequest(
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client: Address.example,
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ask: StorageAsk(
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slots: 4,
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slotSize: (1 * 1024 * 1024 * 1024).u256, # 1 Gigabyte
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duration: (10 * 60 * 60).u256, # 10 hours
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collateral: 200.u256,
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proofProbability: 4.u256, # require a proof roughly once every 4 periods
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reward: 84.u256,
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maxSlotLoss: 2 # 2 slots can be freed without data considered to be lost
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),
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content: StorageContent(
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cid: "zb2rhheVmk3bLks5MgzTqyznLu1zqGH5jrfTA1eAZXrjx7Vob",
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merkleRoot: array[32, byte].example
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),
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expiry: (getTime() + 1.hours).toUnix.u256,
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nonce: Nonce.example
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)
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proc example*(_: type Slot): Slot =
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let request = StorageRequest.example
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let slotIndex = rand(request.ask.slots.int).u256
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Slot(request: request, slotIndex: slotIndex)
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proc example*(_: type SlotQueueItem): SlotQueueItem =
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let request = StorageRequest.example
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let slot = Slot.example
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SlotQueueItem.init(request, slot.slotIndex.truncate(uint16))
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proc example(_: type G1Point): G1Point =
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G1Point(x: UInt256.example, y: UInt256.example)
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proc example(_: type G2Point): G2Point =
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G2Point(
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x: [UInt256.example, UInt256.example],
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y: [UInt256.example, UInt256.example]
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)
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proc example*(_: type Groth16Proof): Groth16Proof =
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Groth16Proof(
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a: G1Point.example,
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b: G2Point.example,
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c: G1Point.example
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)
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proc example*(_: type RandomChunker, blocks: int): Future[string] {.async.} =
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# doAssert blocks >= 3, "must be more than 3 blocks"
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let rng = Rng.instance()
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let chunker = RandomChunker.new(
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rng, size = DefaultBlockSize * blocks.NBytes, chunkSize = DefaultBlockSize)
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var data: seq[byte]
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while (let moar = await chunker.getBytes(); moar != []):
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data.add moar
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return byteutils.toHex(data)
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proc example*(_: type RandomChunker): Future[string] {.async.} =
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await RandomChunker.example(3)
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