nwaku/waku/v2/protocol/waku_rln_relay/contract.nim

108 lines
26 KiB
Nim

# src: https://github.com/kilic/rlnapp/blob/master/packages/contracts/contracts/RLN.sol
# pragma solidity 0.7.4;
# import { IPoseidonHasher } from "./crypto/PoseidonHasher.sol";
# contract RLN {
# uint256 public immutable MEMBERSHIP_DEPOSIT;
# uint256 public immutable DEPTH;
# uint256 public immutable SET_SIZE;
# uint256 public pubkeyIndex = 0;
# mapping(uint256 => uint256) public members;
# IPoseidonHasher public poseidonHasher;
# event MemberRegistered(uint256 pubkey, uint256 index);
# event MemberWithdrawn(uint256 pubkey, uint256 index);
# constructor(
# uint256 membershipDeposit,
# uint256 depth,
# address _poseidonHasher
# ) public {
# MEMBERSHIP_DEPOSIT = membershipDeposit;
# DEPTH = depth;
# SET_SIZE = 1 << depth;
# poseidonHasher = IPoseidonHasher(_poseidonHasher);
# }
# function register(uint256 pubkey) external payable {
# require(pubkeyIndex < SET_SIZE, "RLN, register: set is full");
# require(msg.value == MEMBERSHIP_DEPOSIT, "RLN, register: membership deposit is not satisfied");
# _register(pubkey);
# }
# function registerBatch(uint256[] calldata pubkeys) external payable {
# require(pubkeyIndex + pubkeys.length <= SET_SIZE, "RLN, registerBatch: set is full");
# require(msg.value == MEMBERSHIP_DEPOSIT * pubkeys.length, "RLN, registerBatch: membership deposit is not satisfied");
# for (uint256 i = 0; i < pubkeys.length; i++) {
# _register(pubkeys[i]);
# }
# }
# function _register(uint256 pubkey) internal {
# members[pubkeyIndex] = pubkey;
# emit MemberRegistered(pubkey, pubkeyIndex);
# pubkeyIndex += 1;
# }
# function withdrawBatch(
# uint256[] calldata secrets,
# uint256[] calldata pubkeyIndexes,
# address payable[] calldata receivers
# ) external {
# uint256 batchSize = secrets.length;
# require(batchSize != 0, "RLN, withdrawBatch: batch size zero");
# require(batchSize == pubkeyIndexes.length, "RLN, withdrawBatch: batch size mismatch pubkey indexes");
# require(batchSize == receivers.length, "RLN, withdrawBatch: batch size mismatch receivers");
# for (uint256 i = 0; i < batchSize; i++) {
# _withdraw(secrets[i], pubkeyIndexes[i], receivers[i]);
# }
# }
# function withdraw(
# uint256 secret,
# uint256 _pubkeyIndex,
# address payable receiver
# ) external {
# _withdraw(secret, _pubkeyIndex, receiver);
# }
# function _withdraw(
# uint256 secret,
# uint256 _pubkeyIndex,
# address payable receiver
# ) internal {
# require(_pubkeyIndex < SET_SIZE, "RLN, _withdraw: invalid pubkey index");
# require(members[_pubkeyIndex] != 0, "RLN, _withdraw: member doesn't exist");
# require(receiver != address(0), "RLN, _withdraw: empty receiver address");
# // derive public key
# uint256 pubkey = hash([secret, 0]);
# require(members[_pubkeyIndex] == pubkey, "RLN, _withdraw: not verified");
# // delete member
# members[_pubkeyIndex] = 0;
# // refund deposit
# receiver.transfer(MEMBERSHIP_DEPOSIT);
# emit MemberWithdrawn(pubkey, _pubkeyIndex);
# }
# function hash(uint256[2] memory input) internal view returns (uint256) {
# return poseidonHasher.hash(input);
# }
# }
# PoseidonHasherCode holds the bytecode of Poseidon hasher solidity smart contract:
# https://github.com/kilic/rlnapp/blob/master/packages/contracts/contracts/crypto/PoseidonHasher.sol
# the solidity contract is compiled separately and the resultant bytecode is copied here
const PoseidonHasherCode* = 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# MembershipContractCode contains the bytecode of the membership solidity smart contract:
# https://github.com/kilic/rlnapp/blob/master/packages/contracts/contracts/RLN.sol
# the solidity contract is compiled separately and the resultant bytecode is copied here
const MembershipContractCode* = "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