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qourier-module-v0-push-protocol

v0.0.2

Published

Sending push notifications from a smart contact on any blockchain.

Downloads

7

Readme

Push Protocol

Sending push notifications from a smart contact on any blockchain.

Use by Qouriers

PRIVATE_KEY="your_channel_address_secret_key"

PRIVATE_KEY=$PRIVATE_KEY qourier

Use by Developers

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "@qourier/contracts/Hub.sol";

contract PushProtocol {
    address public hub;
    uint256 public price;

    uint256 private id;
    uint256 private status;

    constructor(address hub_, uint256 price_) {
        hub = hub_;
        price = price_;
    }

    function createTask(
        string memory notification_title_,
        string memory notification_body_,
        string memory payload_title_,
        string memory payload_body_
    ) public payable {
        Hub(hub).createTask4{ value: price }(
            bytes32("push-protocol"),
            [
                bytes(notification_title_),
                bytes(notification_body_),
                bytes(payload_title_),
                bytes(payload_body_)
            ]
        );
    }

    function completeTask(uint256 id_, bytes memory result_) external {
        require(msg.sender == hub, "Only Qourier can change the state.");
        id = id_;
        status = bytesToUint(result_);
    }

    function getTask() public view returns(uint256, uint256) {
        return (id, status);
    }

    function bytesToUint(bytes memory b) public pure returns (uint256) {
        uint256 res = 0;
        for (uint256 i = 0; i < b.length; i++) {
            uint256 c = uint256(uint8(b[i]));
            if (c >= 48 && c <= 57) {
                res = res * 10 + (c - 48);
            }
        }
        return res;
    }
}