Files
grin-web-wallet/scripts/output.js
2024-12-20 18:08:44 -08:00

763 lines
18 KiB
JavaScript
Executable File

// Use strict
"use strict";
// Classes
// Output class
class Output {
// Public
// Initialize
static initialize() {
// Initialize request index
Output.requestIndex = 0;
// Initialize worker index
Output.workerIndex = 0;
// Initialize workers
Output.workers = [];
// Get the number of processors or the default number of processors if not available
var numberOfProcessors = ("hardwareConcurrency" in navigator === true) ? navigator["hardwareConcurrency"] : Output.DEFAULT_NUMBER_OF_PROCESSORS;
// Check if device has low memory
if(Common.isLowMemoryDevice() === true)
// Only create one worker to reduce memory usage
numberOfProcessors = 1;
// Go through all of the processors
for(var i = 0; i < numberOfProcessors; ++i)
// Create worker and append it to list of workers
Output.workers.push(new Worker(Output.WORKER_FILE_LOCATION));
// Window before unload event
$(window).on("beforeunload", function() {
// Go through all of the workers
for(var i = 0; i < Output.workers["length"]; ++i) {
// Get worker
var worker = Output.workers[i];
// Get current request index
var currentRequestIndex = Output.requestIndex++;
// Check if current request index is at the max safe integer
if(currentRequestIndex === Number.MAX_SAFE_INTEGER)
// Reset request index
Output.requestIndex = 0;
// Send worker an uninitialize request
worker.postMessage([
// Request index
currentRequestIndex,
// Type
Output.UNINITIALIZE_REQUEST_TYPE
]);
// Terminate worker
worker.terminate();
}
});
// Return promise
return new Promise(function(resolve, reject) {
// Initialize initialize workers
var initializeWorkers = [];
// Go through all of the workers
for(var i = 0; i < Output.workers["length"]; ++i) {
// Get worker
let worker = Output.workers[i];
// Append initializing worker to list
initializeWorkers.push(new Promise(function(resolve, reject) {
// Worker on error
worker["onerror"] = function() {
// Reject error
reject("Failed to create output worker.");
};
// Worker on message
worker["onmessage"] = function(event) {
// Get message
var message = event["data"];
// Get message's request index
var requestIndex = message[Output.MESSAGE_REQUEST_INDEX_OFFSET];
// Check message's type
switch(message[Output.MESSAGE_TYPE_OFFSET]) {
// Initialize request type
case Output.INITIALIZE_REQUEST_TYPE:
// Get message's status
var status = message[Output.MESSAGE_STATUS_OFFSET];
// Check if worker initialized successfully
if(status === Output.STATUS_SUCCESS_VALUE)
// Resolve
resolve();
// Otherwise
else
// Reject error
reject("Failed to initialize output worker.");
// Break
break;
// Default
default:
// Get message's response
var response = message[Output.MESSAGE_RESPONSE_OFFSET];
// Trigger response request index event
$(document).trigger(Output.RESPONSE_EVENT + requestIndex.toFixed(), [
// Response
response
]);
// Break
break;
}
};
}));
// Get current request index
var currentRequestIndex = Output.requestIndex++;
// Check if current request index is at the max safe integer
if(currentRequestIndex === Number.MAX_SAFE_INTEGER)
// Reset request index
Output.requestIndex = 0;
// Send worker an initialize request
worker.postMessage([
// Request index
currentRequestIndex,
// Type
Output.INITIALIZE_REQUEST_TYPE,
// URL query string
Common.URL_QUERY_STRING_SEPARATOR + encodeURIComponent(Consensus.OVERRIDE_WALLET_TYPE_URL_PARAMETER_NAME).replace(/%20/ug, "+") + Common.URL_QUERY_STRING_PARAMETER_VALUE_SEPARATOR + encodeURIComponent(Consensus.walletTypeToText(Consensus.getWalletType())).replace(/%20/ug, "+") + Common.URL_QUERY_STRING_PARAMETER_SEPARATOR + encodeURIComponent(Consensus.OVERRIDE_NETWORK_TYPE_URL_PARAMETER_NAME).replace(/%20/ug, "+") + Common.URL_QUERY_STRING_PARAMETER_VALUE_SEPARATOR + encodeURIComponent(Consensus.networkTypeToText(Consensus.getNetworkType())).replace(/%20/ug, "+")
]);
}
// Return initializing all workers
return Promise.all(initializeWorkers).then(function() {
// Resolve
resolve();
// Catch errors
}).catch(function(error) {
// Reject error
reject(error);
});
});
}
// Constructor
constructor(commit, proof, type, height) {
// Set commit
this.commit = commit;
// Set proof
this.proof = proof;
// Set type
this.type = type;
// Set height
this.height = height;
// Set maturity height
this.maturityHeight = (this.isCoinbase() === true) ? this.getHeight().plus(Consensus.COINBASE_MATURITY - 1) : this.getHeight();
}
// Get commit
getCommit() {
// Return commit
return this.commit;
}
// Get proof
getProof() {
// Return proof
return this.proof;
}
// Is coinbase
isCoinbase() {
// Return if type is coinbase type
return this.type === Output.COINBASE_TYPE;
}
// Is transaction
isTransaction() {
// Return is type is transaction type
return this.type === Output.TRANSACTION_TYPE;
}
// Get height
getHeight() {
// Return height
return this.height;
}
// Get maturity height
getMaturityHeight() {
// Return maturity height
return this.maturityHeight;
}
// Get information
getInformation(extendedPrivateKeyOrRootPublicKey, isMainnet) {
// Set self
var self = this;
// Return promise
return new Promise(function(resolve, reject) {
// Check if an extended private key is provided
if(extendedPrivateKeyOrRootPublicKey["length"] !== Crypto.SECP256K1_PUBLIC_KEY_LENGTH) {
// Get extended private key
var extendedPrivateKey = extendedPrivateKeyOrRootPublicKey;
// Return getting output legacy information
return self.getLegacyOutputInformation(extendedPrivateKey, isMainnet).then(function(legacyOutputInformation) {
// Check if legacy output information is no information
if(legacyOutputInformation === Output.NO_INFORMATION) {
// Return getting new output infromation
return self.getNewOutputInformation(extendedPrivateKey).then(function(newOutputInformation) {
// Resolve new output information
resolve(newOutputInformation);
// Catch errors
}).catch(function(error) {
// Reject error
reject(error);
});
}
// Otherwise
else {
// Resolve legacy output information
resolve(legacyOutputInformation);
}
// Catch errors
}).catch(function(error) {
// Return getting new output infromation
return self.getNewOutputInformation(extendedPrivateKey).then(function(newOutputInformation) {
// Resolve new output information
resolve(newOutputInformation);
// Catch errors
}).catch(function(error) {
// Reject error
reject(error);
});
});
}
// Otherwise
else {
// Get root public key
var rootPublicKey = extendedPrivateKeyOrRootPublicKey;
// Return getting view output infromation
return self.getViewOutputInformation(rootPublicKey).then(function(viewOutputInformation) {
// Resolve view output information
resolve(viewOutputInformation);
// Catch errors
}).catch(function(error) {
// Reject error
reject(error);
});
}
});
}
// No information
static get NO_INFORMATION() {
// Return no information
return null;
}
// Coinbase type
static get COINBASE_TYPE() {
// Return coinbase type
return "Coinbase";
}
// Transaction type
static get TRANSACTION_TYPE() {
// Return transaction type
return "Transaction";
}
// Initialize request type
static get INITIALIZE_REQUEST_TYPE() {
// Return initialize request type
return 0;
}
// Uninitialize request type
static get UNINITIALIZE_REQUEST_TYPE() {
// Return uninitialize request type
return Output.INITIALIZE_REQUEST_TYPE + 1;
}
// Legacy information request type
static get LEGACY_INFORMATION_REQUEST_TYPE() {
// Return legacy information request type
return Output.UNINITIALIZE_REQUEST_TYPE + 1;
}
// New information request type
static get NEW_INFORMATION_REQUEST_TYPE() {
// Return new information request type
return Output.LEGACY_INFORMATION_REQUEST_TYPE + 1;
}
// View information request type
static get VIEW_INFORMATION_REQUEST_TYPE() {
// Return view information request type
return Output.NEW_INFORMATION_REQUEST_TYPE + 1;
}
// Message request index offset
static get MESSAGE_REQUEST_INDEX_OFFSET() {
// Return message request index offset
return 0;
}
// Message type offset
static get MESSAGE_TYPE_OFFSET() {
// Return message type offset
return Output.MESSAGE_REQUEST_INDEX_OFFSET + 1;
}
// Message initialize URL query string offset
static get MESSAGE_INITIALIZE_URL_QUERY_STRING_OFFSET() {
// Return message initialize URL query string offset
return Output.MESSAGE_TYPE_OFFSET + 1;
}
// Message proof offset
static get MESSAGE_PROOF_OFFSET() {
// Return message proof offset
return Output.MESSAGE_TYPE_OFFSET + 1;
}
// Message commit offset
static get MESSAGE_COMMIT_OFFSET() {
// Return message commit offset
return Output.MESSAGE_PROOF_OFFSET + 1;
}
// Message extended private key or root public key offset
static get MESSAGE_EXTENDED_PRIVATE_KEY_OR_ROOT_PUBLIC_KEY_OFFSET() {
// Return message extended private key or root public key offset
return Output.MESSAGE_COMMIT_OFFSET + 1;
}
// Status success value
static get STATUS_SUCCESS_VALUE() {
// Return status success value
return true;
}
// Status failed value
static get STATUS_FAILED_VALUE() {
// Return status failed value
return false;
}
// Private
// Send request
static sendRequest(request) {
// Get current request index
var currentRequestIndex = Output.requestIndex++;
// Check if current request index is at the max safe integer
if(currentRequestIndex === Number.MAX_SAFE_INTEGER)
// Reset request index
Output.requestIndex = 0;
// Add current request index to request
request.unshift(currentRequestIndex);
// Return promise
return new Promise(function(resolve, reject) {
// Response current request index event
$(document).one(Output.RESPONSE_EVENT + currentRequestIndex.toFixed(), function(event, response) {
// Resolve response
resolve(response);
});
// Send worker at worker index the request
Output.workers[Output.workerIndex].postMessage(request);
// Increment worker index
Output.workerIndex = (Output.workerIndex + 1) % Output.workers["length"];
});
}
// Get legacy output information
getLegacyOutputInformation(extendedPrivateKey, isMainnet) {
// Set self
var self = this;
// Return promise
return new Promise(function(resolve, reject) {
// Check wallet type
switch(Consensus.getWalletType()) {
// MWC or GRIN wallet
case Consensus.MWC_WALLET_TYPE:
case Consensus.GRIN_WALLET_TYPE:
// Get legacy previous weeks ago
var legacyPreviousWeeksAgo = self.getHeight().minus(Output.LEGACY_PREVIOUS_BLOCKS_CHECK_DURATION);
if(legacyPreviousWeeksAgo.isLessThan(0) === true)
legacyPreviousWeeksAgo = new BigNumber(0);
// Set perform legacy check to if the output could be legacy
var performLegacyCheck = Consensus.isValidHeaderVersion(isMainnet, legacyPreviousWeeksAgo, Consensus.LEGACY_HEADER_VERSION) === true;
// Break
break;
// EPIC wallet
case Consensus.EPIC_WALLET_TYPE:
// Set perform legacy check
var performLegacyCheck = true;
// Break
break;
}
// Check if performing legacy check
if(performLegacyCheck === true) {
// Return sending legacy information request
return Output.sendRequest([
// Type
Output.LEGACY_INFORMATION_REQUEST_TYPE,
// Proof
self.getProof(),
// Commit
self.getCommit(),
// Extended private key
extendedPrivateKey
]).then(function(response) {
// Check if response is no information
if(response === Output.NO_INFORMATION)
// Resolve no information
resolve(Output.NO_INFORMATION);
// Otherwise
else {
// Get amount from response
var amount = Common.unserializeObject(response[Output.RESPONSE_AMOUNT_INDEX]);
// Get identifier from response
var identifier = Common.unserializeObject(response[Output.RESPONSE_IDENTIFIER_INDEX]);
// Get switch type from response
var switchType = response[Output.RESPONSE_SWITCH_TYPE_INDEX];
// Create legacy output information
var legacyOutputInformation = new OutputInformation(self, amount, identifier, switchType);
// Resolve legacy output information
resolve(legacyOutputInformation);
}
// Catch errors
}).catch(function(error) {
// Reject error
reject(error);
});
}
// Otherwise
else {
// Resolve no information
resolve(Output.NO_INFORMATION);
}
});
}
// Get new output information
getNewOutputInformation(extendedPrivateKey) {
// Set self
var self = this;
// Return promise
return new Promise(function(resolve, reject) {
// Return sending new information request
return Output.sendRequest([
// Type
Output.NEW_INFORMATION_REQUEST_TYPE,
// Proof
self.getProof(),
// Commit
self.getCommit(),
// Extended private key
extendedPrivateKey
]).then(function(response) {
// Check if response is no information
if(response === Output.NO_INFORMATION)
// Resolve no information
resolve(Output.NO_INFORMATION);
// Otherwise
else {
// Get amount from response
var amount = Common.unserializeObject(response[Output.RESPONSE_AMOUNT_INDEX]);
// Get identifier from response
var identifier = Common.unserializeObject(response[Output.RESPONSE_IDENTIFIER_INDEX]);
// Get switch type from response
var switchType = response[Output.RESPONSE_SWITCH_TYPE_INDEX];
// Create new output information
var newOutputInformation = new OutputInformation(self, amount, identifier, switchType);
// Resolve new output information
resolve(newOutputInformation);
}
// Catch errors
}).catch(function(error) {
// Reject error
reject(error);
});
});
}
// Get view output information
getViewOutputInformation(extendedPrivateKeyOrRootPublicKey) {
// Set self
var self = this;
// Return promise
return new Promise(function(resolve, reject) {
// Return sending view information request
return Output.sendRequest([
// Type
Output.VIEW_INFORMATION_REQUEST_TYPE,
// Proof
self.getProof(),
// Commit
self.getCommit(),
// Extended private key or root public key
extendedPrivateKeyOrRootPublicKey
]).then(function(response) {
// Check if response is no information
if(response === Output.NO_INFORMATION)
// Resolve no information
resolve(Output.NO_INFORMATION);
// Otherwise
else {
// Get amount from response
var amount = Common.unserializeObject(response[Output.RESPONSE_AMOUNT_INDEX]);
// Get identifier from response
var identifier = Common.unserializeObject(response[Output.RESPONSE_IDENTIFIER_INDEX]);
// Get switch type from response
var switchType = response[Output.RESPONSE_SWITCH_TYPE_INDEX];
// Create view output information
var viewOutputInformation = new OutputInformation(self, amount, identifier, switchType);
// Resolve view output information
resolve(viewOutputInformation);
}
// Catch errors
}).catch(function(error) {
// Reject error
reject(error);
});
});
}
// Message status offset
static get MESSAGE_STATUS_OFFSET() {
// Return message status offset
return Output.MESSAGE_TYPE_OFFSET + 1;
}
// Message response offset
static get MESSAGE_RESPONSE_OFFSET() {
// Return message response offset
return Output.MESSAGE_TYPE_OFFSET + 1;
}
// Response event
static get RESPONSE_EVENT() {
// Return response event
return "OutputResponseEvent";
}
// Response amount index
static get RESPONSE_AMOUNT_INDEX() {
// Return response amount index
return 0;
}
// Response identifier index
static get RESPONSE_IDENTIFIER_INDEX() {
// Return response identifier index
return Output.RESPONSE_AMOUNT_INDEX + 1;
}
// Response switch type index
static get RESPONSE_SWITCH_TYPE_INDEX() {
// Return response switch type index
return Output.RESPONSE_IDENTIFIER_INDEX + 1;
}
// Default number of processors
static get DEFAULT_NUMBER_OF_PROCESSORS() {
// Return default number of processors
return 1;
}
// Legacy previous blocks check duration
static get LEGACY_PREVIOUS_BLOCKS_CHECK_DURATION() {
// Return legacy previous blocks check duration
return 2 * Consensus.BLOCK_HEIGHT_WEEK;
}
// Worker file location
static get WORKER_FILE_LOCATION() {
// Return worker file location
return "." + getResource("./scripts/output_worker.js");
}
}
// Main function
// Set global object's output
globalThis["Output"] = Output;