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/**
 *Submitted for verification at Etherscan.io on 2018-09-09
*/

pragma solidity ^0.4.0;
contract WyoMesh {

    struct Device {
        string name;
        bool permissioned;
        // last TX hash?
        //more meta data
    }
    struct IPFS_Hash {
        string ipfs_hash;
        bool auditor_signed; //
    }

    // need a store of the last *transaction* that a device successfully submitted - so you get a list you can scan back in the contrac twith latest -> latest -1 -> ... original.

    address public auditor;
    mapping(address => Device) private devices;
    IPFS_Hash[] ipfs_hashes;
    uint hash_index;

    /// Create a new Master and auditor with $(_maxHashes) different ipfs_hashes.
    constructor(uint8 _maxHashes) public {
        auditor = msg.sender;
        ipfs_hashes.length = _maxHashes;
        devices[msg.sender].permissioned = true;
        hash_index = 0;
    }

    /// Give $(toDevice) the right to add data on this contract
    /// May only be called by $(auditor).
    function addDevice(address toDevice) public returns(bool){
        if (msg.sender != auditor) return false;
        devices[toDevice].permissioned = true;
        return true;
    }


    /// Submit an IPFS_Hash
    function submitHash(string newIPFS_Hash) public returns(bool){
        if(!devices[msg.sender].permissioned || hash_index >= ipfs_hashes.length-1) return false;
        ipfs_hashes[hash_index].ipfs_hash = newIPFS_Hash;
        hash_index++;
        return true;
    }

    /// Get a submited IPFS_Hash
    function getHash(uint8 index_) public returns(string){
        return ipfs_hashes[index_].ipfs_hash;
    }

    /// Sign-off on event as a known auditor
    function signAudit(uint8 index_) public returns(bool){
      if(msg.sender != auditor) return false;
        ipfs_hashes[index_].auditor_signed = true;
        return true;
    }
}

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[{"constant":false,"inputs":[{"name":"index_","type":"uint8"}],"name":"signAudit","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"auditor","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"toDevice","type":"address"}],"name":"addDevice","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"index_","type":"uint8"}],"name":"getHash","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newIPFS_Hash","type":"string"}],"name":"submitHash","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_maxHashes","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]

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0000000000000000000000000000000000000000000000000000000000000010

-----Decoded View---------------
Arg [0] : _maxHashes (uint8): 16

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000010

bzzr://a14c6750ff0a2fa5917deaa724874d7f1b867116da933a1d5153773a13262af1