Proxy contracts for uPort & identity systems. Proxy contracts are a way of maintaining a persistent identifier/address on a system. The Proxy contract will interact with other smart contract and it has access control that allows the user to replace and rotate private keys while maintaining a persistent identfier.
- Core Proxy contract is: Proxy.sol
Interesting Owner contracts are
Owner contract with an User key that controls the proxy contract. There is also an Admin key that can unilaterally replace the User key.
Owner contract that implements Metatransactions (see the document above for more info).
The IdentityFactory creates a proxy contract with an associated controller. When a new identity is created an event is fired.
The IdentityFactory is deployed on the Ropsten testnet at the address
0xadb4966858672ef5ed70894030526544f9a5acdd
You can watch the event to see when an identity has been created from a specific address.
var identityfactoryContract = web3.eth.contract([{"constant":false,"inputs":[{"name":"userKey","type":"address"},{"name":"adminKey","type":"address"}],"name":"CreateProxyWithController","outputs":[],"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"creator","type":"address"},{"indexed":false,"name":"proxy","type":"address"},{"indexed":false,"name":"controller","type":"address"}],"name":"IdentityCreated","type":"event"}]);
var proxyContract = web3.eth.contract([{"constant":false,"inputs":[{"name":"_owner","type":"address"}],"name":"transfer","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"addr","type":"address"}],"name":"isOwner","outputs":[{"name":"","type":"bool"}],"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"destination","type":"address"},{"name":"value","type":"uint256"},{"name":"data","type":"bytes"}],"name":"forward","outputs":[],"type":"function"}]);
var ownerwithadminContract = web3.eth.contract([{"constant":true,"inputs":[],"name":"userKey","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"newUserKey","type":"address"}],"name":"updateUserKey","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"adminKey","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"destination","type":"address"},{"name":"value","type":"uint256"},{"name":"data","type":"bytes"}],"name":"sendTx","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"proxy","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"newAdminKey","type":"address"}],"name":"updateAdminKey","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"type":"function"},{"inputs":[{"name":"proxyAddress","type":"address"},{"name":"_userKey","type":"address"},{"name":"_adminKey","type":"address"}],"type":"constructor"}]);
var identityFactory = identityfactoryContract.at([deployed address])
var proxyAddress;
var controllerAddress;
var creatorAddress = '0x123..';
var event = identityFactory.IdentityCreated({creator: creatorAddress}, function(error, result) {
proxyAddress = result.args.proxy;
controllerAddress = result.args.controller;
});
var proxy = proxyContract.at(proxyAddress);
var controller = ownerwithadminContract.at(controllerAddress);
Tests are run using the truffle framework.
Important: You need to run testrpc with at least 25 accounts for the tests to succeed:
testrpc --accounts 25