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Replacing cleanShareDB.

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This commit is contained in:
Alexander Blair
2017-11-01 10:30:22 -07:00
parent 7646fb11b4
commit 1c84693b90
2 changed files with 1 additions and 112 deletions
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lib/local_comms.js
+1 -102
View File
@@ -517,107 +517,6 @@ function Database(){
txn.commit();
};
this.cleanShareDB = function() {
/*
This function takes the difficulty of the current block, and the last PPS block. If it's 0, save everything,
UNLESS global.config.pps.enable is FALSE, then feel free to trash it.
Due to LMDB under current config, we must delete entire keys, due to this, we save diff * shareMultiLog * 1.5
global.config.pplns.shareMultiLog should be at least 1.5x your shareMulti, in case of diff spikiing
*/
let lastPPSBlock = this.getLastBlock();
if (global.config.pps.enable){
lastPPSBlock = this.getLastBlock(global.protos.POOLTYPE.PPS);
if (lastPPSBlock === 0){
return;
}
}
let lastPPLNSBlock = this.getLastBlock(global.protos.POOLTYPE.PPLNS);
debug("Last PPS block: "+lastPPSBlock);
// Hopping into async, we need the current block height to know where to start our indexing...
async.waterfall([
function(callback){
global.coinFuncs.getLastBlockHeader(function(err, body){
if (err) {
return callback(true, body);
}
return callback(null, body.height, Math.floor(body.difficulty * 1.5 * global.config.pplns.shareMultiLog));
});
},
function (lastBlock, difficulty, callback) {
let shareCount = 0;
let ppsFound = false;
let pplnsFound = false;
let blockList = [];
debug("Scanning from: "+lastBlock + " for more than: " + difficulty + " shares");
range.range(0, lastBlock+1).forEach(function (blockID) {
blockID = (blockID - lastBlock+1) * -1;
if (blockID < 0){
return;
}
debug("Scanning block: " + blockID);
let txn = global.database.env.beginTxn({readOnly: true});
let cursor = new global.database.lmdb.Cursor(txn, global.database.shareDB);
for (let found = (cursor.goToRange(blockID) === blockID); found; found = cursor.goToNextDup()) {
if (ppsFound && pplnsFound){
cursor.getCurrentBinary(function(key, data) { // jshint ignore:line
if (blockList.indexOf(key) === -1){
blockList.push(key);
}
});
} else {
cursor.getCurrentBinary(function(key, data) { // jshint ignore:line
if (key < lastPPSBlock){
ppsFound = true;
}
try{
let shareData = global.protos.Share.decode(data);
if (shareData.poolType === global.protos.POOLTYPE.PPLNS){
shareCount = shareCount + shareData.shares;
}
} catch(e){
console.error("Invalid share");
}
});
if (shareCount >= difficulty){
pplnsFound = true;
}
}
}
cursor.close();
txn.abort();
});
callback(null, blockList);
}
], function(err, data){
if (err === null && global.config.general.blockCleaner === true){
if(data.length > 0){
global.database.refreshEnv();
let blockList = global.database.getBlockList();
debug("Got the block list");
let totalDeleted = 0;
data.forEach(function(block){
if ((blockList.indexOf(block) !== -1 && !blockList.unlocked) || block > lastPPLNSBlock){
// Don't delete locked blocks. ffs.
// Don't delete blocks that could contain shares. Even if it's unlikely as all getout.
debug("Skipped deleting block: " + block);
return;
}
totalDeleted += 1;
let txn = global.database.env.beginTxn();
txn.del(global.database.shareDB, block);
txn.commit();
debug("Deleted block: " + block);
});
console.log("Block cleaning enabled. Removed: " +totalDeleted+ " block share records");
}
global.database.env.sync(function(){
});
} else {
console.log("Block cleaning disabled. Would of removed: " + JSON.stringify(data));
}
});
};
this.getOldestLockedBlock = function(){
/*
6-29-2017 - Snipa -
@@ -650,7 +549,7 @@ function Database(){
return highestBlock;
};
this.cleanShareDBNew = function() {
this.cleanShareDB = function() {
/*
This function takes the difficulty of the current block, and the last PPS block. If it's 0, save everything,
UNLESS global.config.pps.enable is FALSE, then feel free to trash it.
lib/longRunnerNew.js
-10
View File
@@ -1,10 +0,0 @@
"use strict";
console.log("Cleaning up the share DB");
global.database.cleanShareDBNew();
console.log("Done cleaning up the shareDB");
setInterval(function(){
console.log("Cleaning up the share DB");
global.database.cleanShareDBNew();
console.log("Done cleaning up the shareDB");
}, 3600000);