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added code to inform next right Supernode about a dead Supernode

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This commit is contained in:
Abhishek Sinha 2019-10-06 21:34:48 +05:30
parent 6cbbfa3208
commit 5cb9671217
1 changed files with 171 additions and 93 deletions
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264
supernode/index.html
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@ -12069,7 +12069,7 @@
text = `masterFLOPubKey=03EA5E2CAB18DA585400D6EC569438D415FAF200528E05D0E2B9BEAA2B5C3DCA90 text = `masterFLOPubKey=03EA5E2CAB18DA585400D6EC569438D415FAF200528E05D0E2B9BEAA2B5C3DCA90
#!#tradableAsset1=BTC,FLO,BTC_TEST,FLO_TEST#!#tradableAsset2=INR,USD, #!#tradableAsset1=BTC,FLO,BTC_TEST,FLO_TEST#!#tradableAsset2=INR,USD,
#!#validTradingAmount=10,50,100,#!#btcTradeMargin=5000 #!#validTradingAmount=10,50,100,#!#btcTradeMargin=5000
#!#MaxBackups=2 #!#MaxBackups=1
#!#miners_fee={"btc":0.0003, "flo":0.0003} #!#miners_fee={"btc":0.0003, "flo":0.0003}
#!#supernodesPubKeys=0315C3A20FE7096CC2E0F81A80D5F1A687B8F9EFA65242A0B0881E1BA3EE7D7D53, #!#supernodesPubKeys=0315C3A20FE7096CC2E0F81A80D5F1A687B8F9EFA65242A0B0881E1BA3EE7D7D53,
03F7493F11B8E44B9798CD434D20FBE7FA34B9779D144984889D11A17C56A18742,039B4AA00DBFC0A6631DE6DA83526611A0E6B857D3579DF840BBDEAE8B6898E3B6, 03F7493F11B8E44B9798CD434D20FBE7FA34B9779D144984889D11A17C56A18742,039B4AA00DBFC0A6631DE6DA83526611A0E6B857D3579DF840BBDEAE8B6898E3B6,
@ -12623,14 +12623,14 @@
} }
}, },
informAllANodeLeft: async function(evt_msg="") { informAllANodeLeft: async function(getFLOId="") {
let i = evt_msg.indexOf(" "); // let i = evt_msg.indexOf(" ");
let temp_ip = evt_msg.substr(0, i); // let temp_ip = evt_msg.substr(0, i);
const op = await readDBbyIndex("ipTable", "temporary_ip", temp_ip); // const op = await readDBbyIndex("ipTable", "temporary_ip", temp_ip);
if (op.length < 1 || typeof op[0].temporary_ip !== "string") return ; // if (op.length < 1 || typeof op[0].temporary_ip !== "string") return;
// Delete entry from iptable // // Delete entry from iptable
removeByIndex("ipTable", "temporary_ip", temp_ip); // removeByIndex("ipTable", "temporary_ip", temp_ip);
let getFLOId = bitjs.FLO_TEST.pubkey2address(op[0].flo_public_key); // let getFLOId = bitjs.FLO_TEST.pubkey2address(op[0].flo_public_key);
// Update Node availability status to true/false // Update Node availability status to true/false
const cs = await readDBbyIndex( const cs = await readDBbyIndex(
"myClosestSupernodes", "myClosestSupernodes",
@ -12644,14 +12644,16 @@
msg_obj.protocol = '__ALL_SUPERNODES_MSG__'; msg_obj.protocol = '__ALL_SUPERNODES_MSG__';
msg_obj.event = 'supernode_went_down'; msg_obj.event = 'supernode_went_down';
msg_obj.data = {down_flo_id: getFLOId}; msg_obj.data = {down_flo_id: getFLOId};
msg_obj.subject_flo_id = getFLOId;
msg_obj.su_pubKey = localbitcoinplusplus.wallets.my_local_flo_public_key; msg_obj.su_pubKey = localbitcoinplusplus.wallets.my_local_flo_public_key;
msg_obj.hash = Crypto.SHA256(msg_obj); msg_obj.hash = Crypto.SHA256(msg_obj);
msg_obj.sign = RM_WALLET.sign( msg_obj.sign = RM_WALLET.sign(
msg_obj.hash, msg_obj.hash,
localbitcoinplusplus.wallets.MY_SUPERNODE_PRIVATE_KEY localbitcoinplusplus.wallets.MY_SUPERNODE_PRIVATE_KEY
); );
reactor.dispatchEvent("informAllSuperNode", msg_obj); //reactor.dispatchEvent("informAllSuperNode", msg_obj);
reactor.dispatchEvent("fireNodeGoodByeEvent", getFLOId); reactor.dispatchEvent("informSuperNode", msg_obj);
//reactor.dispatchEvent("fireNodeGoodByeEvent", getFLOId);
}, },
}; };
@ -13255,6 +13257,7 @@
reactor.registerEvent("remove_extra_backup_connections"); reactor.registerEvent("remove_extra_backup_connections");
reactor.registerEvent("createClosestSupernodesObject"); reactor.registerEvent("createClosestSupernodesObject");
reactor.registerEvent("informAllSuperNode"); reactor.registerEvent("informAllSuperNode");
reactor.registerEvent("informSuperNode");
reactor.addEventListener("fireNodeWelcomeBackEvent", function(evt) { reactor.addEventListener("fireNodeWelcomeBackEvent", function(evt) {
let getFLOId = bitjs.FLO_TEST.pubkey2address(evt.flo_public_key); let getFLOId = bitjs.FLO_TEST.pubkey2address(evt.flo_public_key);
@ -13352,6 +13355,7 @@
if (getStatusOfDeadSuAgain.length < 1) return; if (getStatusOfDeadSuAgain.length < 1) return;
// Update status to false // Update status to false
const switchMyWS = new backupSupernodesWebSocketObject();
await switchMyWS.updateSupernodeAvailabilityStatus( await switchMyWS.updateSupernodeAvailabilityStatus(
getFLOId, getFLOId,
false false
@ -13366,7 +13370,7 @@
localbitcoinplusplus.services[`can_serve_${getFLOId}`] = false; localbitcoinplusplus.services[`can_serve_${getFLOId}`] = false;
// Initiate connections with next live supernodes // Initiate connections with next live supernodes
reactor.dispatchEvent("resolve_backup_ws_connections"); //reactor.dispatchEvent("resolve_backup_ws_connections");
const mcs = await readAllDB("myClosestSupernodes"); const mcs = await readAllDB("myClosestSupernodes");
const myClosestSupList = mcs.filter( const myClosestSupList = mcs.filter(
@ -13462,10 +13466,16 @@
); );
}); });
} }
break; break;
} }
} }
/* ADD A CONDITION SO THAT ONLY ONE SUPERNODE IN THE LEFT CAN RUN THIS */
if(1) {
localbitcoinplusplus.actions.informAllANodeLeft(getFLOId);
}
msg = `INFO: Supernode ${getFLOId} left.`; msg = `INFO: Supernode ${getFLOId} left.`;
} }
@ -13618,8 +13628,7 @@
} }
}); });
reactor.addEventListener("sync_backup_nodes_of_my_backup_node", reactor.addEventListener("sync_backup_nodes_of_my_backup_node", async function(subject_flo_id = "") {
async function(subject_flo_id = "") {
// Get backup nodes of your backup node (subject_flo_id) // Get backup nodes of your backup node (subject_flo_id)
let closestNodes = await localbitcoinplusplus.kademlia.determineClosestSupernode( let closestNodes = await localbitcoinplusplus.kademlia.determineClosestSupernode(
"", "",
@ -13750,7 +13759,6 @@
}); });
/*Get the most eligible non-connected backup within max backup condition*/ /*Get the most eligible non-connected backup within max backup condition*/
reactor.addEventListener("resolve_backup_ws_connections", async function( reactor.addEventListener("resolve_backup_ws_connections", async function(
evt evt
) { ) {
@ -13941,14 +13949,14 @@
/* This function runs when a backup ws is down */ /* This function runs when a backup ws is down */
reactor.addEventListener("backup_supernode_down", async function(evt) { reactor.addEventListener("backup_supernode_down", async function(evt) {
showMessage( showMessage(`Disconnected to backup Supernode sever: ${evt.srcElement.url}.`);
`Disconnected to backup Supernode sever: ${evt.srcElement.url}.`
);
const switchMyWS = new backupSupernodesWebSocketObject(); const switchMyWS = new backupSupernodesWebSocketObject();
switchMyWS.updateSupernodeAvailabilityStatus( const disconnected_su_flo_id = await switchMyWS.getFloIdFromWSUrl(evt.srcElement.url);
evt.srcElement.url, // switchMyWS.updateSupernodeAvailabilityStatus(
false // evt.srcElement.url,
); // false
// );
reactor.dispatchEvent("fireNodeGoodByeEvent", disconnected_su_flo_id);
// Request next backup server to connect // Request next backup server to connect
await reactor.dispatchEvent( await reactor.dispatchEvent(
"switchToBackupWSForSuperNodesOperations", "switchToBackupWSForSuperNodesOperations",
@ -13957,78 +13965,78 @@
}); });
reactor.addEventListener("backup_supernode_up", async function(url='') { reactor.addEventListener("backup_supernode_up", async function(url='') {
showMessage( showMessage(
`Connected to backup Supernode sever: ${url}.` `Connected to backup Supernode sever: ${url}.`
); );
const switchMyWS = new backupSupernodesWebSocketObject(); const switchMyWS = new backupSupernodesWebSocketObject();
switchMyWS.updateSupernodeAvailabilityStatus( switchMyWS.updateSupernodeAvailabilityStatus(
url, url,
true true
); );
let my_local_data = await readDB("localbitcoinUser", "00-01"); let my_local_data = await readDB("localbitcoinUser", "00-01");
if (typeof my_local_data == "object") { if (typeof my_local_data == "object") {
const conn_su_flo_id = await switchMyWS.getFloIdFromWSUrl( const conn_su_flo_id = await switchMyWS.getFloIdFromWSUrl(
url url
); );
if ( if (
localbitcoinplusplus.master_configurations.supernodesPubKeys.includes( localbitcoinplusplus.master_configurations.supernodesPubKeys.includes(
my_local_data.myLocalFLOPublicKey my_local_data.myLocalFLOPublicKey
) )
) { ) {
// If conn_su_flo_id is not an immediate backup then give your data to it to sync // If conn_su_flo_id is not an immediate backup then give your data to it to sync
const myClosestSus = await readAllDB("myClosestSupernodes"); const myClosestSus = await readAllDB("myClosestSupernodes");
const myClosestSusList = myClosestSus.map( const myClosestSusList = myClosestSus.map(
m => m.trader_flo_address m => m.trader_flo_address
); );
if ( if (
myClosestSusList.indexOf(conn_su_flo_id) > myClosestSusList.indexOf(conn_su_flo_id) >
localbitcoinplusplus.master_configurations.MaxBackups localbitcoinplusplus.master_configurations.MaxBackups
) { ) {
// Ask conn_su_flo_id to ask you your DB data // Ask conn_su_flo_id to ask you your DB data
const RM_RPC = new localbitcoinplusplus.rpc(); const RM_RPC = new localbitcoinplusplus.rpc();
RM_RPC.send_rpc.call(this, "request_me_db_data", { RM_RPC.send_rpc.call(this, "request_me_db_data", {
trader_flo_address: trader_flo_address:
localbitcoinplusplus.wallets.my_local_flo_address, localbitcoinplusplus.wallets.my_local_flo_address,
receiver_flo_address: conn_su_flo_id, receiver_flo_address: conn_su_flo_id,
db_inst: localbitcoinplusplus.wallets.my_local_flo_address db_inst: localbitcoinplusplus.wallets.my_local_flo_address
}) })
.then(req=>doSend(req)); .then(req => doSend(req));
} }
// Check if the number of backup ws connections satisfy max baxkup master // Check if the number of backup ws connections satisfy max baxkup master
// config condition. If false, request ws connection to next backup supernode. // config condition. If false, request ws connection to next backup supernode.
const currenctBackupWsList = Object.keys( const currenctBackupWsList = Object.keys(
localbitcoinplusplus.backupWS localbitcoinplusplus.backupWS
).filter( ).filter(
m => m =>
localbitcoinplusplus.backupWS[m].ws_connection localbitcoinplusplus.backupWS[m].ws_connection
.readyState < 2 .readyState < 2
); );
if ( if (
currenctBackupWsList.length < currenctBackupWsList.length <
localbitcoinplusplus.master_configurations.MaxBackups localbitcoinplusplus.master_configurations.MaxBackups
) { ) {
// Request next backup to connect // Request next backup to connect
reactor.dispatchEvent( reactor.dispatchEvent(
"switchToBackupWSForSuperNodesOperations", "switchToBackupWSForSuperNodesOperations",
url url
); );
} }
} else { } else {
if (typeof conn_su_flo_id == "string") { if (typeof conn_su_flo_id == "string") {
my_local_data.lastConnectedTime = +new Date(); my_local_data.lastConnectedTime = +new Date();
my_local_data.lastConnectedSupernode = conn_su_flo_id; my_local_data.lastConnectedSupernode = conn_su_flo_id;
updateinDB("localbitcoinUser", my_local_data); updateinDB("localbitcoinUser", my_local_data);
} else { } else {
mss = `WARNING: Failed to update current supernode connected status in localbitcoinUser.`; mss = `WARNING: Failed to update current supernode connected status in localbitcoinUser.`;
showMessage(mss); showMessage(mss);
throw new Error(mss); throw new Error(mss);
}
} }
} }
}); }
});
reactor.addEventListener('createClosestSupernodesObject', async function(getClosestSuList=[]) { reactor.addEventListener('createClosestSupernodesObject', async function(getClosestSuList=[]) {
@ -14081,15 +14089,16 @@
return localbitcoinplusplus.myClosestSupernodes; return localbitcoinplusplus.myClosestSupernodes;
}); });
/* Function to notify all Supernodes of a particuat event (may or maynot releated to a subject flo id) */ /* Function to notify all Supernodes of a particuat event (may or may not releated to a subject flo id) */
reactor.addEventListener("informAllSuperNode", function(msg_obj={}) { reactor.addEventListener("informAllSuperNode", function(msg_obj={}) {
if (localbitcoinplusplus.master_configurations.supernodesPubKeys if (localbitcoinplusplus.master_configurations.supernodesPubKeys
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) { .includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
tempWS = {}; tempWS = {};
for(let sn in localbitcoinplusplus.myClosestSupernodes) { for(let sn in localbitcoinplusplus.myClosestSupernodes) {
(function() { (function() {
if(sn!==localbitcoinplusplus.wallets.my_local_flo_address if((sn!==localbitcoinplusplus.wallets.my_local_flo_address
|| sn!==msg_obj.subject_flo_id) { || sn!==msg_obj.subject_flo_id)
&& websocket.readyState===1) {
const url = `ws://${localbitcoinplusplus.myClosestSupernodes[sn].ip}:${localbitcoinplusplus.myClosestSupernodes[sn].port}`; const url = `ws://${localbitcoinplusplus.myClosestSupernodes[sn].ip}:${localbitcoinplusplus.myClosestSupernodes[sn].port}`;
@ -14108,6 +14117,76 @@
} }
} }
}); });
async function getNextSupernode(flo_id='') {
try {
let nextSupernodeObj = null;
let allSus = await readAllDB('myClosestSupernodes');
if(flo_id.length>0) {
let all_flo_ids = allSus.map(m=>m.trader_flo_address);
let idx = all_flo_ids.indexOf(flo_id);
if(idx>=0) {
allSus = allSus.filter((f,i)=>i>=idx);
}
}
for (let i = 0; i < allSus.length-1; i++) {
let nextSuObj = allSus[i+1];
let nextSu = nextSuObj.trader_flo_address;
if (nextSu===flo_id
||
nextSu===localbitcoinplusplus.wallets.my_local_flo_address) continue;
nextSupernodeObj = nextSu;
break;
}
return nextSupernodeObj;
} catch (error) {
throw new Error(error);
}
}
reactor.addEventListener("informSuperNode", async function(msg_obj={}) {
if (localbitcoinplusplus.master_configurations.supernodesPubKeys
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
const suList = await getNextSupernode();
let sn = suList.trader_flo_address;
tempWS = {};
//for(let sn in localbitcoinplusplus.myClosestSupernodes) {
(function informOneSupernode(sn) {
if((sn!==localbitcoinplusplus.wallets.my_local_flo_address
|| sn!==msg_obj.subject_flo_id)
&& websocket.readyState===1) {
const url = `ws://${localbitcoinplusplus.myClosestSupernodes[sn].ip}:${localbitcoinplusplus.myClosestSupernodes[sn].port}`;
tempWS[sn] = new WebSocket(url);
tempWS[sn].onopen = async function(evt) {
await localbitcoinplusplus.actions.delay(5000);
tempWS[sn].send(JSON.stringify(msg_obj));
await localbitcoinplusplus.actions.delay(5000);
tempWS[sn].close();
};
tempWS[sn].onclose = async function(evt) {
console.info(`Closed ${evt.srcElement.url}`);
if(!evt.wasClean) {
const switchMyWS = new backupSupernodesWebSocketObject();
let closedFloId = await switchMyWS.getFloIdFromWSUrl(evt.srcElement.url);
let nxtSu = await getNextSupernode(closedFloId);
if ((nxtSu==localbitcoinplusplus.wallets.my_local_flo_address
|| nxtSu==msg_obj.subject_flo_id)) {
let nxtSu2 = await getNextSupernode(nxtSu);
informOneSupernode(nxtSu2);
} else if(typeof nxtSu !== "undefined") {
informOneSupernode(nxtSu);
}
}
};
}
})();
//}
}
});
</script> </script>
@ -20247,7 +20326,7 @@
}); });
// Connect to nearest live backup nodes // Connect to nearest live backup nodes
reactor.dispatchEvent("resolve_backup_ws_connections"); //reactor.dispatchEvent("resolve_backup_ws_connections");
} }
localbitcoinplusplus.MY_SUPERNODE_FLO_ADDRESS = localbitcoinplusplus.MY_SUPERNODE_FLO_ADDRESS =
@ -20371,7 +20450,7 @@
}); });
// Connect to nearest live backup nodes // Connect to nearest live backup nodes
reactor.dispatchEvent("resolve_backup_ws_connections"); //reactor.dispatchEvent("resolve_backup_ws_connections");
} }
resolve(true); resolve(true);
@ -20402,7 +20481,7 @@
let isItANodeLeavingMessage = response.search(`\\-- left`); let isItANodeLeavingMessage = response.search(`\\-- left`);
if (isItANodeLeavingMessage >= 0) { if (isItANodeLeavingMessage >= 0) {
localbitcoinplusplus.actions.informAllANodeLeft(isItANodeLeavingMessage); //localbitcoinplusplus.actions.informAllANodeLeft(response);
return; return;
} }
@ -20525,15 +20604,14 @@
if (typeof localbitcoinplusplus.myClosestSupernodes[disconnected_su_flo_id] == "object") { if (typeof localbitcoinplusplus.myClosestSupernodes[disconnected_su_flo_id] == "object") {
if (localbitcoinplusplus.myClosestSupernodes[disconnected_su_flo_id].is_live === status) return; if (localbitcoinplusplus.myClosestSupernodes[disconnected_su_flo_id].is_live === status) return;
} }
localbitcoinplusplus.myClosestSupernodes[disconnected_su_flo_id].is_live = status;
get_disconnected_su_details.is_live = status; get_disconnected_su_details.is_live = status;
get_disconnected_su_details.timestamp = +new Date(); get_disconnected_su_details.timestamp = +new Date();
updateinDB("myClosestSupernodes", get_disconnected_su_details).then( const myClosestSupernodesStatusRes = await updateinDB("myClosestSupernodes", get_disconnected_su_details);
myClosestSupernodesStatusRes => { if(status!==myClosestSupernodesStatusRes.is_live) throw new Error(`ERROR: Failed to update the status of Supernode to ${status}.`);
localbitcoinplusplus.myClosestSupernodes[disconnected_su_flo_id].is_live = status; localbitcoinplusplus.myClosestSupernodes[disconnected_su_flo_id].is_live = myClosestSupernodesStatusRes.is_live;
let su_status = (status === true) ? "connected" : "disconnected"; let su_status = (myClosestSupernodesStatusRes.is_live === true) ? "connected" : "disconnected";
showMessage(`INFO: Supernode ${ws_url} is now ${su_status}.`); showMessage(`INFO: Supernode ${ws_url} is now ${su_status}.`);
}
);
}, },
async switchToBackupWS(disconnected_url = "") { async switchToBackupWS(disconnected_url = "") {
@ -20674,7 +20752,7 @@
// and fire respective events // and fire respective events
let isItANodeLeavingMessage = response.search(`\\-- left`); let isItANodeLeavingMessage = response.search(`\\-- left`);
if (isItANodeLeavingMessage >= 0) { if (isItANodeLeavingMessage >= 0) {
localbitcoinplusplus.actions.informAllANodeLeft(isItANodeLeavingMessage); //localbitcoinplusplus.actions.informAllANodeLeft(response);
return; return;
} }
@ -20703,6 +20781,10 @@
try { try {
var res_obj = JSON.parse(res); var res_obj = JSON.parse(res);
const RM_WALLET = new localbitcoinplusplus.wallets();
const RM_TRADE = new localbitcoinplusplus.trade();
const RM_RPC = new localbitcoinplusplus.rpc();
if(res_obj.protocol === "__ALL_SUPERNODES_MSG__") { if(res_obj.protocol === "__ALL_SUPERNODES_MSG__") {
if (!localbitcoinplusplus.master_configurations.supernodesPubKeys if (!localbitcoinplusplus.master_configurations.supernodesPubKeys
.includes(res_obj.su_pubKey)) return; .includes(res_obj.su_pubKey)) return;
@ -20710,19 +20792,19 @@
const msg_obj = {}; const msg_obj = {};
msg_obj.protocol = res_obj.protocol; msg_obj.protocol = res_obj.protocol;
msg_obj.event = res_obj.event; msg_obj.event = res_obj.event;
msg_obj.data = {down_url: res_obj.data.down_url}; msg_obj.data = {down_flo_id: res_obj.data.down_flo_id};
msg_obj.hash = Crypto.SHA256(msg_obj); msg_obj.hash = Crypto.SHA256(msg_obj);
let isValidMsg = RM_WALLET.verify( let isValidMsg = RM_WALLET.verify(
msg_obj.hash, msg_obj.hash,
msg_obj.sign, res_obj.sign,
msg_obj.su_pubKey res_obj.su_pubKey
); );
if(isValidMsg!==true) return; if(isValidMsg!==true) return;
switch (res_obj.event) { switch (res_obj.event) {
case "supernode_went_down": case "supernode_went_down":
reactor.dispatchEvent('fireNodeGoodByeEvent', down_flo_id); reactor.dispatchEvent('fireNodeGoodByeEvent', res_obj.data.down_flo_id);
break; break;
default: default:
@ -20850,10 +20932,6 @@
if (typeof res_obj.method !== "undefined") { if (typeof res_obj.method !== "undefined") {
let response_from_sever; let response_from_sever;
const RM_WALLET = new localbitcoinplusplus.wallets();
const RM_TRADE = new localbitcoinplusplus.trade();
const RM_RPC = new localbitcoinplusplus.rpc();
switch (res_obj.method) { switch (res_obj.method) {
case "supernode_message": case "supernode_message":
if ( if (
@ -22569,7 +22647,7 @@
let isItANodeLeavingMessage = response.search(`\\-- left`); let isItANodeLeavingMessage = response.search(`\\-- left`);
if (isItANodeLeavingMessage >= 0) { if (isItANodeLeavingMessage >= 0) {
localbitcoinplusplus.actions.informAllANodeLeft(isItANodeLeavingMessage); //localbitcoinplusplus.actions.informAllANodeLeft(response);
return; return;
} }
@ -24640,7 +24718,7 @@
let isItANodeLeavingMessage = response.search(`\\-- left`); let isItANodeLeavingMessage = response.search(`\\-- left`);
if (isItANodeLeavingMessage >= 0) { if (isItANodeLeavingMessage >= 0) {
localbitcoinplusplus.actions.informAllANodeLeft(isItANodeLeavingMessage); //localbitcoinplusplus.actions.informAllANodeLeft(response);
return; return;
} }