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Ethereum based notary service

License: MIT License

JavaScript 85.32% CSS 0.14% HTML 14.55%

notareth's Introduction

NoterEth

NoterEth, pronounced "Notaryth", is a prototype notary and "Proof of Existence" DAPP. By submitting hashes of documents you can proof on a later date that you were privileged to certain information at a point in history. The transfer of documents can enable other contracts to allow certain access based on who owns a hash.

You can see a working demo here. It does require a local running Geth instance.

Running your own copy

If you want to play around with the contract I suggest loading up the contract.sol file up in Cosmo and playing around with it there.

If you deploy the contract on your own chain be sure to edit abi.js and edit in your own contract address.

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notareth's Issues

Demo not working

Looks like there is some problem with the geth

BTW: keeping in mind you consider this still as "prototype" it will be great to run it on testnet (ropsten?) for the demo?

The MetaMask Web3 object does not support synchronous methods

When using metamask, after submitting the code I see this error in the console:

Error: The MetaMask Web3 object does not support synchronous methods like eth_sendTransaction without a callback parameter. See https://github.com/MetaMask/faq/blob/master/DEVELOPERS.md#dizzy-all-async---think-of-metamask-as-a-light-client for details.

Calculate Hash does not work for me.

Hello Maran,

Thanks a lot for this DAPP, it is a great learning experience for me. I ran into an issue when deploy it on my own server following your instruction: everything is up and running with my own contract address added to the abi.js. I was able to look for and pick a document (a text file) but when I click on "Calculate Hash" nothing happened. It would be greatly appreciate if you can point out what I missed. See attached. I will leave my server running so so can take a look at also.
http://45.79.109.227:3000/

-5ong

(The link of) the demo is not working.

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