codex-contracts-eth/contracts/Requests.sol

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.8;
type RequestId is bytes32;
type SlotId is bytes32;
struct Request {
address client;
Ask ask;
Content content;
uint256 expiry; // time at which this request expires
bytes32 nonce; // random nonce to differentiate between similar requests
}
struct Ask {
uint64 slots; // the number of requested slots
uint256 slotSize; // amount of storage per slot (in number of bytes)
uint256 duration; // how long content should be stored (in seconds)
uint256 proofProbability; // how often storage proofs are required
uint256 reward; // amount of tokens paid per second per slot to hosts
uint64 maxSlotLoss; // Max slots that can be lost without data considered to be lost
}
struct Content {
string cid; // content id (if part of a larger set, the chunk cid)
Erasure erasure; // Erasure coding attributes
PoR por; // Proof of Retrievability parameters
}
struct Erasure {
uint64 totalChunks; // the total number of chunks in the larger data set
}
struct PoR {
bytes u; // parameters u_1..u_s
bytes publicKey; // public key
bytes name; // random name
}