Files
peya-nodejs-pool/lib/childDaemon.js
2020-02-10 15:49:40 -05:00

85 lines
2.2 KiB
JavaScript

let async = require('async');
let apiInterfaces = require('./apiInterfaces.js')(config.daemon, config.wallet, config.api);
let lastHash;
let POOL_NONCE_SIZE = 16 + 1; // +1 for old XMR/new TRTL bugs
let logSystem = 'childDaemon'
require('./exceptionWriter.js')(logSystem);
let pool = config.childPools[process.env.poolId];
let blockData = JSON.stringify({
id: "0",
jsonrpc: "2.0",
method: 'getlastblockheader',
params: {}
})
let templateData = JSON.stringify({
id: "0",
jsonrpc: "2.0",
method: 'getblocktemplate',
params: {
reserve_size: POOL_NONCE_SIZE,
wallet_address: pool.poolAddress
}
})
function runInterval () {
async.waterfall([
function (callback) {
apiInterfaces.jsonHttpRequest(pool.childDaemon.host, pool.childDaemon.port, blockData, function (err, res) {
if (err) {
log('error', logSystem, '%s error from daemon', [pool.coin]);
setTimeout(runInterval, 3000);
return;
}
if (res && res.result && res.result.status === "OK" && res.result.hasOwnProperty('block_header')) {
let hash = res.result.block_header.hash.toString('hex');
if (!lastHash || lastHash !== hash) {
lastHash = hash
log('info', logSystem, '%s found new hash %s', [pool.coin, hash]);
callback(null, true);
return;
} else if (config.daemon.alwaysPoll || false) {
callback(null, true);
return;
} else {
callback(true);
return;
}
} else {
log('error', logSystem, '%s bad reponse from daemon', [pool.coin]);
setTimeout(runInterval, 3000);
return;
}
});
},
function (getbc, callback) {
apiInterfaces.jsonHttpRequest(pool.childDaemon.host, pool.childDaemon.port, templateData, function (err, res) {
if (err) {
log('error', logSystem, '%s Error polling getblocktemplate %j', [pool.coin, err])
callback(null)
return
}
process.send({
type: 'ChildBlockTemplate',
block: res.result,
poolIndex: process.env.poolId
})
callback(null)
})
}
],
function (error) {
if (error) {}
setTimeout(function () {
runInterval()
}, config.poolServer.blockRefreshInterval)
})
}
runInterval()