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Commit 102a6df5 authored by Adrien Béraud's avatar Adrien Béraud
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add name registration

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index.js
+ 137
− 10
View file @ 102a6df5
#!/usr/bin/env node
var connect = require('connect');
var express = require('express');
var bodyParser = require('body-parser');
var fs = require('fs');
var http = require('http');
var Web3 = require('web3');
var web3 = new Web3();
web3.setProvider(new web3.providers.HttpProvider('http://localhost:8545'));
//console.log(web3);
var coinbase = web3.eth.coinbase;
console.log(coinbase);
var balance = web3.eth.getBalance(coinbase);
console.log(balance.toString(10));
var REG_ADDR = "0xcd4f2482b34a7391fa6f39e01b5c6a4b2e97e69e";
var REG_ABI = [{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"name","outputs":[{"name":"o_name","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"owner","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"content","outputs":[{"name":"","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"addr","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"reserve","outputs":[],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"subRegistrar","outputs":[{"name":"o_subRegistrar","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_newOwner","type":"address"}],"name":"transfer","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_registrar","type":"address"}],"name":"setSubRegistrar","outputs":[],"type":"function"},{"constant":false,"inputs":[],"name":"Registrar","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_a","type":"address"},{"name":"_primary","type":"bool"}],"name":"setAddress","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_content","type":"bytes32"}],"name":"setContent","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"disown","outputs":[],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"register","outputs":[{"name":"","type":"address"}],"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"}],"name":"Changed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"},{"indexed":true,"name":"addr","type":"address"}],"name":"PrimaryChanged","type":"event"}];
var REG_ADDR = "0xa2c1a3c75249c89dfc32169d707744fd3648823d";
var REG_ABI = [{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"name","outputs":[{"name":"o_name","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"owner","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"content","outputs":[{"name":"","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"addr","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"reserve","outputs":[],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"subRegistrar","outputs":[{"name":"o_subRegistrar","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_owner","type":"address"},{"name":"_a","type":"address"}],"name":"reserveFor","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_newOwner","type":"address"}],"name":"transfer","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_registrar","type":"address"}],"name":"setSubRegistrar","outputs":[],"type":"function"},{"constant":false,"inputs":[],"name":"Registrar","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_a","type":"address"},{"name":"_primary","type":"bool"}],"name":"setAddress","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_content","type":"bytes32"}],"name":"setContent","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"disown","outputs":[],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"register","outputs":[{"name":"","type":"address"}],"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"}],"name":"Changed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"},{"indexed":true,"name":"addr","type":"address"}],"name":"PrimaryChanged","type":"event"}];
var reg = web3.eth.contract(REG_ABI).at(REG_ADDR);
var account;
var regContract;
var reg;
var app = express();
app.get("/name/:name", function(req, res){
var r = reg.addr(req.params.name)
res.end(JSON.stringify({"addr": r }));
function unlockAccount() {
//account = web3.eth.accounts[0];
web3.personal.unlockAccount(coinbase, "toto");
//loadContract();
}
function getRemainingGaz() {
return web3.eth.getBalance(coinbase) / web3.eth.gasPrice;
}
function waitForGaz(want, cb) {
if (getRemainingGaz() >= want) {
cb();
return;
}
var timeout = function() {
var g = getRemainingGaz();
if (g >= want) {
//web3.miner.stop();
console.error("Mining finished ! Now having " + g + " gaz.");
cb();
} else {
console.error("Waiting for " + (want - g) + " gaz to be mined...");
setTimeout(timeout, 2500);
}
}
//web3.miner.start(8);
timeout();
}
function loadContract() {
console.log("Loading name contract from blockchain at " + REG_ADDR);
web3.eth.getCode(REG_ADDR, function(error, result) {
//console.log("Contract code at " + REG_ADDR + ": " + result);
if (result == "0x") {
console.log("Contract not found at " + REG_ADDR);
initContract();
} else {
regContract = web3.eth.contract(REG_ABI);
regContract.at(REG_ADDR, function(err, result) {
console.log("Contract found and loaded from " + REG_ADDR);
if(!err) {
reg = result;
startServer();
}
else {
console.error("err: " + err);
}
});
}
});
}
function initContract() {
fs.readFile( __dirname + '/registrar.sol', function(err, data) {
if (err)
throw err;
web3.eth.compile.solidity(String(data), function(err, compiled) {
if (err) {
console.log("Can't compile contract :" + err);
throw err;
}
console.log("Contract compiled, instantiating on blockchain...");
REG_ABI = compiled.GlobalRegistrar.info.abiDefinition;
regContract = web3.eth.contract(REG_ABI);
waitForGaz(3000000, function(){
regContract.new({from: coinbase, data: compiled.GlobalRegistrar.code, gas: 3000000}, function(e, contract){
if(!e) {
if(!contract.address) {
console.log("Contract transaction send: TransactionHash: " + contract.transactionHash + " waiting to be mined...");
} else {
console.log("Contract mined! Address: " + contract.address);
REG_ADDR = contract.address;
reg = contract;
startServer();
}
} else {
console.log(e);
}
});
});
});
});
}
function startServer() {
console.log("Starting web server");
var app = express();
app.disable('x-powered-by');
app.use(bodyParser.json());
app.get("/name/:name", function(req, http_res) {
reg.addr(req.params.name, function(err, res) {
http_res.end(JSON.stringify({"addr": res}));
});
});
app.get("/owner/:name", function(req, http_res) {
reg.owner(req.params.name, function(err, res) {
http_res.end(JSON.stringify({"owner": res}));
});
});
app.post("/name/:name", function(req, http_res) {
if (!req.body.addr || !req.body.owner) {
http_res.status(400).end();
return;
}
console.log("Got reg request (" + req.params.name + " -> " + req.body.addr + ") from " + req.body.owner);
reg.addr(req.params.name, function(err, res) {
if (res == "0x" || res == "0x0000000000000000000000000000000000000000") {
console.log("Remaing gaz: " + getRemainingGaz());
unlockAccount();
reg.reserveFor.sendTransaction(req.params.name, req.body.owner, req.body.addr, {
from: coinbase,
gas: 3000000
}, function(terr, reg_c) {
if (terr) {
http_res.end(JSON.stringify(terr));
} else {
http_res.end(JSON.stringify({"success": true}));
}
});
} else {
http_res.status(403).end();
}
});
});
http.createServer(app).listen(3000);
}
unlockAccount();
loadContract();
registrar.sol
+ 9
− 0
View file @ 102a6df5
......@@ -36,6 +36,15 @@ contract GlobalRegistrar is Registrar {
Changed(_name);
}
}
function reserveFor(bytes32 _name, address _owner, address _a) {
if (m_toRecord[_name].owner == 0) {
m_toRecord[_name].owner = _owner;
m_toRecord[_name].primary = _a;
m_toName[_a] = _name;
Changed(_name);
PrimaryChanged(_name, _a);
}
}
modifier onlyrecordowner(bytes32 _name) { if (m_toRecord[_name].owner == msg.sender) _ }
......
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