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slptokengraph.ts
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slptokengraph.ts
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import { SlpTransactionDetails, SlpTransactionType, LocalValidator, Utils, Slp, SlpVersionType, Primatives } from 'slpjs';
import BigNumber from 'bignumber.js';
import { BITBOX } from 'bitbox-sdk';
import { Config } from './config';
import * as bitcore from 'bitcore-lib-cash';
import { SendTxnQueryResult, MintQueryResult, Query } from './query';
import { Decimal128 } from 'mongodb';
import { Db } from './db';
import { RpcClient } from './rpc';
import * as pQueue from 'p-queue';
import { DefaultAddOptions } from 'p-queue';
import { SlpGraphManager } from './slpgraphmanager';
import { CacheMap } from './cache';
import { SlpdbStatus, SlpdbState } from './status';
import { TokenDBObject, AddressBalancesDbo, UtxoDbo, GraphTxnDbo, GraphTxnOutputDbo,
GraphTxnDetailsDbo, SlpTransactionDetailsDbo, TokenUtxoStatus, TokenStats, cashAddr,
BatonUtxoStatus, TokenBatonStatus, TokenStatsDbo } from './interfaces';
let cashaddr = require('cashaddrjs-slp');
const sleep = (ms: number) => new Promise(resolve => setTimeout(resolve, ms));
const bitbox = new BITBOX();
export class SlpTokenGraph implements TokenGraph {
_lastUpdatedBlock!: number;
_tokenDetails!: SlpTransactionDetails;
_tokenStats!: TokenStats;
_tokenUtxos = new Set<string>();
_mintBatonUtxo = "";
_nftParentId?: string;
_graphTxns = new Map<string, GraphTxn>();
_addresses = new Map<cashAddr, AddressBalance>();
_slpValidator = new LocalValidator(bitbox, async (txids) => {
if (this._manager._bit.doubleSpendCache.has(txids[0])) {
return [ Buffer.alloc(60).toString('hex') ];
}
let txn;
try {
txn = <string>await RpcClient.getRawTransaction(txids[0]);
} catch(err) {
console.log(`[ERROR] Could not get transaction ${txids[0]} in local validator: ${err}`);
return [ Buffer.alloc(60).toString('hex') ];
}
return [ txn ];
}, console);
_network: string;
_db: Db;
_graphUpdateQueue: pQueue<DefaultAddOptions> = new pQueue({ concurrency: 1, autoStart: false });
_statsUpdateQueue: pQueue<DefaultAddOptions> = new pQueue({ concurrency: 1, autoStart: true });
_manager: SlpGraphManager;
//_liveTxoSpendCache = new CacheMap<string, SendTxnQueryResult>(100000);
_startupTxoSendCache?: CacheMap<string, SpentTxos>;
_exit = false;
constructor(db: Db, manager: SlpGraphManager, network: string) {
this._db = db;
this._manager = manager;
this._network = network;
}
async initFromScratch({ tokenDetails, processUpToBlock }: { tokenDetails: SlpTransactionDetails; processUpToBlock?: number; }) {
await Query.init();
this._lastUpdatedBlock = 0;
this._tokenDetails = tokenDetails;
this._startupTxoSendCache = await Query.getTxoInputSlpSendCache(tokenDetails.tokenIdHex);
let valid = await this.updateTokenGraphFrom({ txid: tokenDetails.tokenIdHex, processUpToBlock: processUpToBlock });
if(valid) {
if(tokenDetails.versionType === SlpVersionType.TokenVersionType1_NFT_Child) {
await this.setNftParentId();
} else {
let mints = await Query.getMintTransactions(tokenDetails.tokenIdHex);
if(mints && mints.length > 0)
await this.asyncForEach(mints, async (m: MintQueryResult) => await this.updateTokenGraphFrom({ txid: m.txid!, processUpToBlock: processUpToBlock, isParent: true }));
}
// set genesis block hash
let genesisBlockHash = await RpcClient.getTransactionBlockHash(this._tokenDetails.tokenIdHex);
if(genesisBlockHash)
this._graphTxns.get(this._tokenDetails.tokenIdHex)!.blockHash = Buffer.from(genesisBlockHash, 'hex');
await this.UpdateStatistics();
}
this._startupTxoSendCache.clear();
this._startupTxoSendCache = undefined;
this._graphUpdateQueue.start();
}
async stop() {
this._exit = true;
this._graphUpdateQueue.pause();
this._graphUpdateQueue.clear();
if (this._graphUpdateQueue.pending)
await this._graphUpdateQueue.onIdle();
this._statsUpdateQueue.pause();
this._statsUpdateQueue.clear();
if (this._statsUpdateQueue.pending)
await this._graphUpdateQueue.onIdle();
}
private async setNftParentId() {
let txnhex = (await this._slpValidator.getRawTransactions([this._tokenDetails.tokenIdHex]))[0];
let tx = Primatives.Transaction.parseFromBuffer(Buffer.from(txnhex, 'hex'));
let nftBurnTxnHex = (await this._slpValidator.getRawTransactions([tx.inputs[0].previousTxHash]))[0];
let nftBurnTxn = Primatives.Transaction.parseFromBuffer(Buffer.from(nftBurnTxnHex, 'hex'));
let slp = new Slp(bitbox);
let nftBurnSlp = slp.parseSlpOutputScript(Buffer.from(nftBurnTxn.outputs[0].scriptPubKey));
if (nftBurnSlp.transactionType === SlpTransactionType.GENESIS) {
this._nftParentId = tx.inputs[0].previousTxHash;
}
else {
this._nftParentId = nftBurnSlp.tokenIdHex;
}
}
get IsValid(): boolean {
return this._graphTxns.has(this._tokenDetails.tokenIdHex);
}
async asyncForEach(array: any[], callback: Function) {
for (let index = 0; index < array.length; index++) {
await callback(array[index], index, array);
}
}
async _updateUtxos(txid: string) {
let txnHex = (await this._slpValidator.getRawTransactions([txid]))[0];
let txn = Primatives.Transaction.parseFromBuffer(Buffer.from(txnHex, 'hex'));
let validation = this._slpValidator.cachedValidations[txid];
if(validation.validity) {
if(validation!.details!.transactionType === SlpTransactionType.SEND) {
txn.inputs.forEach(txo => {
if(this._tokenUtxos.delete(`${txo.previousTxHash}:${txo.previousTxOutIndex}`)) {
console.log(`[INFO] Token UTXO deleted: ${txo.previousTxHash}:${txo.previousTxOutIndex}`);
}
});
this._graphTxns.get(txid)!.outputs.forEach(o => {
if(!this._tokenUtxos.has(txid + ":" + o.vout) &&
o.status !== TokenUtxoStatus.EXCESS_INPUT_BURNED &&
o.status !== TokenUtxoStatus.MISSING_BCH_VOUT &&
o.status !== TokenUtxoStatus.SPENT_INVALID_SLP &&
o.status !== TokenUtxoStatus.SPENT_NON_SLP &&
o.status !== TokenUtxoStatus.SPENT_NOT_IN_SEND &&
o.status !== TokenUtxoStatus.SPENT_WRONG_TOKEN
){
console.log(`[INFO] Token UTXO added: ${txid}:${o.vout}`);
this._tokenUtxos.add(txid + ":" + o.vout);
}
});
}
else if(validation!.details!.transactionType === SlpTransactionType.MINT) {
console.log(`[INFO] Token UTXO added: ${txid}:1`);
this._tokenUtxos.add(txid + ":" + 1);
txn.inputs.forEach(txo => {
if(this._mintBatonUtxo === txo.previousTxHash + ':' + txo.previousTxOutIndex) {
let baton = validation.details!.batonVout;
let out = this._graphTxns.get(txid)!.outputs.find(o => o.vout === baton);
if(baton &&
out!.status !== BatonUtxoStatus.BATON_MISSING_BCH_VOUT &&
out!.status !== BatonUtxoStatus.BATON_SPENT_INVALID_SLP &&
out!.status !== BatonUtxoStatus.BATON_SPENT_NON_SLP &&
out!.status !== BatonUtxoStatus.BATON_SPENT_NOT_IN_MINT
){
this._mintBatonUtxo = txid + ':' + baton;
console.log(`[INFO] Mint baton replaced: ${txid}:${baton}`);
} else {
this._mintBatonUtxo = '';
console.log(`[INFO] Mint baton ended: ${txo.previousTxHash}:${txo.previousTxOutIndex}`);
}
}
});
}
else if(validation!.details!.transactionType === SlpTransactionType.GENESIS) {
if(!this._tokenUtxos.has(txid + ":" + 1)) {
console.log(`[INFO] Token UTXO added: ${txid}:1`);
this._tokenUtxos.add(txid + ":" + 1);
}
let baton = validation!.details!.batonVout;
if(baton && this._mintBatonUtxo !== txid + ':' + baton) {
this._mintBatonUtxo = txid + ':' + baton;
console.log(`[INFO] Mint baton created: ${txid}:${baton}`);
}
}
else {
throw Error("Unknown transction type");
}
}
}
async getMintBatonSpendDetails({ txid, vout, txnOutputLength, processUpTo }: { txid: string; vout: number; txnOutputLength: number; processUpTo?: number }): Promise<MintSpendDetails> {
let txOut = await RpcClient.getTxOut(txid, vout);
if(txOut === null) {
try {
let spendTxnInfo = await Query.queryForTxoInputAsSlpMint(txid, vout);
if(!spendTxnInfo) {
this._mintBatonUtxo = '';
if(vout < txnOutputLength)
return { status: BatonUtxoStatus.BATON_SPENT_NON_SLP, txid: null, invalidReason: null };
return { status: BatonUtxoStatus.BATON_MISSING_BCH_VOUT, txid: null, invalidReason: "SLP output has no corresponding BCH output." };
} else {
if(processUpTo && (!spendTxnInfo.block || spendTxnInfo.block > processUpTo)) {
return { status: BatonUtxoStatus.BATON_UNSPENT, txid: null, invalidReason: null };
}
if(typeof spendTxnInfo!.txid === 'string') {
let valid = await this._slpValidator.isValidSlpTxid(spendTxnInfo.txid!, this._tokenDetails.tokenIdHex);
if(!this._slpValidator.cachedValidations[spendTxnInfo.txid!])
console.log('SLP Validator is missing transaction', spendTxnInfo.txid, 'for token', this._tokenDetails.tokenIdHex)
if(valid && this._slpValidator.cachedValidations[spendTxnInfo.txid!] && this._slpValidator.cachedValidations[spendTxnInfo.txid!].details!.transactionType === SlpTransactionType.MINT)
return { status: BatonUtxoStatus.BATON_SPENT_IN_MINT, txid: spendTxnInfo!.txid, invalidReason: null };
else if(valid) {
this._mintBatonUtxo = '';
return { status: BatonUtxoStatus.BATON_SPENT_NOT_IN_MINT, txid: spendTxnInfo!.txid, invalidReason: "Baton was spent in a non-mint SLP transaction." };
}
this._mintBatonUtxo = '';
return { status: BatonUtxoStatus.BATON_SPENT_NON_SLP, txid: spendTxnInfo!.txid, invalidReason: null };
}
}
} catch(_) {
this._mintBatonUtxo = '';
if(vout < txnOutputLength)
return { status: BatonUtxoStatus.BATON_SPENT_INVALID_SLP, txid: null, invalidReason: this._slpValidator.cachedValidations[txid].invalidReason };
return { status: BatonUtxoStatus.BATON_MISSING_BCH_VOUT, txid: null, invalidReason: "SLP output has no corresponding BCH output." };
}
}
//this._mintBatonUtxo = txid + ":" + vout;
return { status: BatonUtxoStatus.BATON_UNSPENT, txid: null, invalidReason: null };
}
async getSpendDetails({ txid, vout, txnOutputLength, processUpTo }: { txid: string; vout: number; txnOutputLength: number; processUpTo?: number; }): Promise<SpendDetails> {
let txOut: any;
let cachedSpendTxnInfo: SendTxnQueryResult | {txid: string, block: number|null} | undefined
if(this._startupTxoSendCache) {
cachedSpendTxnInfo = this._startupTxoSendCache.get(txid + ":" + vout);
}
if(!cachedSpendTxnInfo) {
cachedSpendTxnInfo = this._manager._bit._spentTxoCache.get(txid + ":" + vout); //this._liveTxoSpendCache.get(txid + ":" + vout);
}
if(!cachedSpendTxnInfo)
txOut = await RpcClient.getTxOut(txid, vout);
if(cachedSpendTxnInfo || !txOut) {
try {
let spendTxnInfo: SendTxnQueryResult|{txid: string, block: number|null}|null|undefined;
// NEED MORE WORK BEFORE WE CAN DO CACHE ONLY STARTUPS
// if(!cachedSpendTxnInfo && this._startupTxoSendCache) {
// console.log("[INFO] TXO IS SPENT BUT, NO SPEND DATA WAS FOUND FOR:", txid, vout);
// }
// else if(!cachedSpendTxnInfo) { //&& !this._startupTxoSendCache) {
if(!cachedSpendTxnInfo) {
spendTxnInfo = await Query.queryForTxoInputAsSlpSend(txid, vout);
// only cache mature spends
if(spendTxnInfo &&
spendTxnInfo.block &&
this._manager._bestBlockHeight &&
(this._manager._bestBlockHeight - spendTxnInfo.block) > 10
) {
//this._liveTxoSpendCache.set(txid + ":" + vout, spendTxnInfo!);
}
} else {
spendTxnInfo = cachedSpendTxnInfo;
console.log("[INFO] Used cached spend data", txid, vout);
}
if(!spendTxnInfo) {
this._tokenUtxos.delete(txid + ":" + vout);
if(vout < txnOutputLength)
return { status: TokenUtxoStatus.SPENT_NON_SLP, txid: null, invalidReason: null };
return { status: TokenUtxoStatus.MISSING_BCH_VOUT, txid: null, invalidReason: "SLP output has no corresponding BCH output." };
} else {
if(processUpTo && (!spendTxnInfo.block || spendTxnInfo.block > processUpTo)) {
//this._tokenUtxos.add(txid + ":" + vout);
return { status: TokenUtxoStatus.UNSPENT, txid: null, invalidReason: null };
}
if(typeof spendTxnInfo!.txid === 'string') {
let valid = await this._slpValidator.isValidSlpTxid(spendTxnInfo.txid!, this._tokenDetails.tokenIdHex);
if(!this._slpValidator.cachedValidations[spendTxnInfo.txid!])
console.log('SLP Validator is missing transaction', spendTxnInfo.txid, 'for token', this._tokenDetails.tokenIdHex)
if(valid && this._slpValidator.cachedValidations[spendTxnInfo.txid!] && this._slpValidator.cachedValidations[spendTxnInfo.txid!].details!.transactionType === SlpTransactionType.SEND)
return { status: TokenUtxoStatus.SPENT_SAME_TOKEN, txid: spendTxnInfo!.txid, invalidReason: null };
else if(valid) {
this._tokenUtxos.delete(txid + ":" + vout);
return { status: TokenUtxoStatus.SPENT_NOT_IN_SEND, txid: spendTxnInfo!.txid, invalidReason: null };
}
this._tokenUtxos.delete(txid + ":" + vout);
return { status: TokenUtxoStatus.SPENT_INVALID_SLP, txid: spendTxnInfo!.txid, invalidReason: this._slpValidator.cachedValidations[txid].invalidReason };
}
}
} catch(_) {
this._tokenUtxos.delete(txid + ":" + vout);
if(vout < txnOutputLength)
return { status: TokenUtxoStatus.SPENT_INVALID_SLP, txid: null, invalidReason: this._slpValidator.cachedValidations[txid].invalidReason };
return { status: TokenUtxoStatus.MISSING_BCH_VOUT, txid: null, invalidReason: "SLP output has no corresponding BCH output." };
}
}
return { status: TokenUtxoStatus.UNSPENT, txid: null, invalidReason: null };
}
async queueTokenGraphUpdateFrom({ txid, isParent = false, processUpToBlock, block=null }: { txid: string, isParent?: boolean, processUpToBlock?: number; block?:{ hash: Buffer; transactions: Set<string> }|null}): Promise<void> {
let self = this;
return await this._graphUpdateQueue.add(async function() {
await self.updateTokenGraphFrom({ txid, isParent, processUpToBlock, block });
// Update the confirmed/unconfirmed collections with token details
await self._manager.updateTxnCollections(txid, self._tokenDetails.tokenIdHex);
// zmq publish mempool notifications
if(!isParent)
await self._manager.publishZmqNotification(txid);
// Update token's statistics
if(self._graphUpdateQueue.size === 0 && self._graphUpdateQueue.pending === 1) {
// if block then we should check for double-spends for all graph txns with null blockHash
if(block) {
let txnsWithNoBlock = Array.from(self._graphTxns).filter(i => !i[1].blockHash);
let mempool = await RpcClient.getRawMemPool();
await self.asyncForEach(txnsWithNoBlock, async (i: [string, GraphTxn]) => {
let txid = i[0];
if(!mempool.includes(txid)) {
try {
await RpcClient.getRawTransaction(txid);
} catch(err) {
console.log(`[ERROR] Could not get transaction ${txid} in queueTokenGraphUpdateFrom: ${err}`)
self._graphTxns.delete(txid);
delete self._slpValidator.cachedRawTransactions[txid];
delete self._slpValidator.cachedValidations[txid];
//self._liveTxoSpendCache.clear();
}
}
});
}
//self._liveTxoSpendCache.clear();
console.log("[INFO] UpdateStatistics: queueTokenGraphUpdateFrom");
await self.UpdateStatistics(true, true);
}
})
}
async updateTokenGraphFrom({ txid, isParent = false, updateOutputs = true, processUpToBlock, block=null }: { txid: string; isParent?:boolean; updateOutputs?: boolean; processUpToBlock?: number; block?: { hash: Buffer; transactions: Set<string> }|null}): Promise<boolean|null> {
/**
* purpose for "isParent":
* 1) skips cached result, allow reprocessing/updating of a previously processed valid txn
* 2) prevents recursive reprocessing of a parent txn's inputs (since we only want to update output status for 1 group of parents)
* 3) prevents recursive processing of outputs (since the calling child will do this)
*/
if(block) {
if(!(block.transactions.has(txid))) {
try {
await RpcClient.getTransactionBlockHash(txid);
} catch (_) {
this.deleteAllChildren(txid, true);
return null;
}
if(!this._graphTxns.has(txid)) {
this.queueTokenGraphUpdateFrom({ txid });
}
return null;
}
if(this._graphTxns.has(txid)) {
let graphTxn = this._graphTxns.get(txid)!;
// TODO: check each output. If the output is already marked spent, then verify the spend txid is correct.
for(let i=0; i< graphTxn.outputs.length;i++) {
console.log(`[INFO] Checking block transaction output ${i} (${txid})`);
let status = graphTxn.outputs[i].status;
let spendTxid = graphTxn.outputs[i].spendTxid;
let skip = [ TokenUtxoStatus.UNSPENT,
TokenUtxoStatus.EXCESS_INPUT_BURNED,
TokenUtxoStatus.MISSING_BCH_VOUT,
BatonUtxoStatus.BATON_UNSPENT,
BatonUtxoStatus.BATON_MISSING_BCH_VOUT ];
if(!skip.includes(status)) {
if(spendTxid) {
try {
await RpcClient.getRawTransaction(txid);
} catch(err) {
console.log(`[ERROR] Could not get transaction ${txid} in updateTokenGraphFrom: ${err}`)
console.log(`[INFO] Found an output with non-existant spend txid.`);
console.log(`[INFO] Will delete ${spendTxid} and all txns downstream.`);
this.deleteAllChildren(spendTxid, true);
}
}
}
}
graphTxn.blockHash = block ? block.hash : null;
isParent = true;
}
}
if(this._graphTxns.has(txid) && !isParent && this._graphTxns.get(txid)!.isComplete) {
return true;
}
let isValid = await this._slpValidator.isValidSlpTxid(txid, this._tokenDetails.tokenIdHex);
let txnSlpDetails = this._slpValidator.cachedValidations[txid].details;
let txn: bitcore.Transaction = new bitcore.Transaction(await this._slpValidator.retrieveRawTransaction(txid));
if (!isValid) {
console.log("[WARN] updateTokenGraphFrom: Not valid token transaction:", txid);
return false;
}
if(!txnSlpDetails) {
console.log("[WARN] updateTokenGraphFrom: No token details for:", txid);
return false;
}
let graphTxn: GraphTxn;
if(!this._graphTxns.has(txid)) {
graphTxn = { details: txnSlpDetails, outputs: [], inputs: [], blockHash: block ? block.hash : null };
this._graphTxns.set(txid, graphTxn);
}
else {
graphTxn = this._graphTxns.get(txid)!;
}
console.log("[INFO] Valid txns", this._graphTxns.size);
// Add contributing SLP inputs
if(graphTxn.inputs.length === 0) {
await this.asyncForEach(txn.inputs, async (i: bitcore.TxnInput) => {
let previd = i.prevTxId.toString('hex');
if(!this._slpValidator.cachedValidations[previd]) {
await this._slpValidator.isValidSlpTxid(previd, this._tokenDetails.tokenIdHex);
}
if(this._slpValidator.cachedValidations[previd] &&
this._slpValidator.cachedValidations[previd].validity &&
this._slpValidator.cachedValidations[previd].details!.tokenIdHex === this._tokenDetails.tokenIdHex
){
if(!this._graphTxns.has(previd)) {
console.log("[INFO] updateTokenGraphFrom: Add contributing SLP inputs");
await this.updateTokenGraphFrom({ txid: previd, isParent: true, updateOutputs: false });
}
let input = this._graphTxns.get(i.prevTxId.toString('hex'))!
let o = input.outputs.find(o => o.vout === i.outputIndex);
if(o) {
graphTxn.inputs.push({
txid: i.prevTxId.toString('hex'),
vout: i.outputIndex,
slpAmount: o.slpAmount,
address: o.address,
bchSatoshis: o.bchSatoshis
})
}
}
})
}
// Wait for mempool and block sync to complete before proceeding to update anything on graph.
while(!this._manager.TnaSynced) {
console.log("[INFO] At updateTokenGraphFrom() - Waiting for TNA sync to complete before starting graph updates.");
await sleep(500);
}
// Create or update SLP graph outputs for each valid SLP output
if(updateOutputs || graphTxn.outputs.length === 0) {
graphTxn.outputs = [];
if(graphTxn.details.transactionType === SlpTransactionType.GENESIS || graphTxn.details.transactionType === SlpTransactionType.MINT) {
if(graphTxn.details.genesisOrMintQuantity!.isGreaterThanOrEqualTo(0)) {
let spendDetails = await this.getSpendDetails({ txid, vout: 1, txnOutputLength: txn.outputs.length, processUpTo: processUpToBlock });
let address = this.getAddressStringFromTxnOutput(txn, 1);
graphTxn.outputs.push({
address: address,
vout: 1,
bchSatoshis: txn.outputs.length > 1 ? txn.outputs[1].satoshis : 0,
slpAmount: <any>graphTxn.details.genesisOrMintQuantity!,
spendTxid: spendDetails.txid,
status: spendDetails.status,
invalidReason: spendDetails.invalidReason
})
if(txnSlpDetails.batonVout) {
let mintSpendDetails = await this.getMintBatonSpendDetails({ txid, vout: txnSlpDetails.batonVout, txnOutputLength: txn.outputs.length, processUpTo: processUpToBlock });
let address = this.getAddressStringFromTxnOutput(txn, 1);
graphTxn.outputs.push({
address: address,
vout: txnSlpDetails.batonVout,
bchSatoshis: txnSlpDetails.batonVout < txn.outputs.length ? txn.outputs[txnSlpDetails.batonVout].satoshis : 0,
slpAmount: new BigNumber(0),
spendTxid: mintSpendDetails.txid,
status: mintSpendDetails.status,
invalidReason: mintSpendDetails.invalidReason
})
}
}
}
else if(graphTxn.details.sendOutputs!.length > 0) {
await this.asyncForEach(graphTxn.details.sendOutputs!, async (output: BigNumber, slp_vout: number) => {
if(output.isGreaterThanOrEqualTo(0)) {
if(slp_vout > 0) {
let spendDetails = await this.getSpendDetails({ txid, vout: slp_vout, txnOutputLength: txn.outputs.length, processUpTo: processUpToBlock });
let address = this.getAddressStringFromTxnOutput(txn, slp_vout);
graphTxn.outputs.push({
address: address,
vout: slp_vout,
bchSatoshis: slp_vout < txn.outputs.length ? txn.outputs[slp_vout].satoshis : 0,
slpAmount: graphTxn.details.sendOutputs![slp_vout],
spendTxid: spendDetails.txid,
status: spendDetails.status,
invalidReason: spendDetails.invalidReason
})
}
}
})
}
else {
console.log("[WARNING]: Transaction is not valid or is unknown token type!", txid);
}
if(!isParent)
await this._updateUtxos(txid);
}
// check for possible inputs burned due to outputs < inputs
if((updateOutputs || graphTxn.outputs.length === 0) && graphTxn.details.sendOutputs && graphTxn.details.sendOutputs!.length > 0) {
let inputQty = graphTxn.inputs.reduce((a, c) => a.plus(c.slpAmount), new BigNumber(0));
let outputQty = graphTxn.outputs.reduce((a, c) => a.plus(c.slpAmount), new BigNumber(0));
if(inputQty.isGreaterThan(outputQty)) {
graphTxn.outputs.push(<any>{
slpAmount: inputQty.minus(outputQty),
status: TokenUtxoStatus.EXCESS_INPUT_BURNED
})
}
}
// Update the status of each input txn's outputs -- add to token's update queue
if(!isParent && this._manager._startupQueue.size === 0 && this._manager._startupQueue.pending === 0) {
let parentIds = new Set<string>([...txn.inputs.map(i => i.prevTxId.toString('hex'))])
await this.asyncForEach(Array.from(parentIds), async (txid: string) => {
if(this._graphTxns.get(txid)!) {
console.log("[INFO] updateTokenGraphFrom: update the status of each input txn's outputs");
this.queueTokenGraphUpdateFrom({ txid, isParent: true });
}
});
}
// Continue to complete graph from output UTXOs
if(!isParent) {
await this.asyncForEach(graphTxn.outputs.filter(o => o.spendTxid && (o.status === TokenUtxoStatus.SPENT_SAME_TOKEN || o.status === BatonUtxoStatus.BATON_SPENT_IN_MINT)), async (o: GraphTxnOutput) => {
console.log("[INFO] updateTokenGraphFrom: Continue to complete graph from output UTXOs");
await this.updateTokenGraphFrom({ txid: o.spendTxid!, processUpToBlock, block });
});
graphTxn.isComplete = true;
}
if(!processUpToBlock)
this._lastUpdatedBlock = this._manager._bestBlockHeight; //await this._rpcClient.getBlockCount();
else
this._lastUpdatedBlock = processUpToBlock;
return true;
}
private deleteAllChildren(txid: string, deleteSelf=false) {
let toDelete = new Set<string>();
let self = this;
let getChildTxids = function(txid: string) {
let n = self._graphTxns.get(txid)!;
if(n) {
n.outputs.forEach((o, i) => {
if(o.spendTxid && !toDelete.has(o.spendTxid)) {
toDelete.add(o.spendTxid);
getChildTxids(o.spendTxid);
}
});
n.outputs = [];
n.isComplete = false;
}
}
getChildTxids(txid);
if(deleteSelf)
toDelete.add(txid);
toDelete.forEach(txid => {
// must find any graphTxn with an output spendTxid equal to txid
this._graphTxns.get(txid)!.inputs.forEach((v, i) => {
if(this._graphTxns.has(v.txid)) {
let g = this._graphTxns.get(v.txid)!;
let output = g.outputs.find(o => o.vout === v.vout);
output!.spendTxid = null;
output!.status = TokenUtxoStatus.UNSPENT;
this._tokenUtxos.add(`${txid}:${v.vout}`);
}
});
this._graphTxns.delete(txid);
delete this._slpValidator.cachedRawTransactions[txid];
delete this._slpValidator.cachedValidations[txid];
});
this._tokenUtxos.forEach(txo => {
let txid = txo.split(':')[0];
if(toDelete.has(txid))
this._tokenUtxos.delete(txo);
});
}
private getAddressStringFromTxnOutput(txn: bitcore.Transaction, outputIndex: number) {
let address;
try {
address = Utils.toSlpAddress(bitbox.Address.fromOutputScript(txn.outputs[outputIndex]._scriptBuffer, this._network));
}
catch (_) {
try {
address = 'scriptPubKey:' + txn.outputs[outputIndex]._scriptBuffer.toString('hex');
}
catch (_) {
address = 'Missing transaction output.';
}
}
return address;
}
async updateAddressesFromScratch(): Promise<void> {
this._addresses.clear();
await this.asyncForEach(Array.from(this._tokenUtxos), async (utxo: string) => {
let txid = utxo.split(':')[0];
let vout = parseInt(utxo.split(':')[1]);
let txout: GraphTxnOutput|undefined;
try {
txout = this._graphTxns.get(txid)!.outputs.find(o => vout === o.vout);
} catch(_) {
await this.updateTokenGraphFrom({ txid });
if(!this._tokenUtxos.has(utxo))
return
if(!this._graphTxns.has(txid)) {
this._tokenUtxos.delete(utxo);
return
}
txout = this._graphTxns.get(txid)!.outputs.find(o => vout === o.vout);
}
if(txout) {
let graph = this._graphTxns.get(txid)!
let txnDetails = graph.details;
let addr = txout.address;
let bal;
if(graph.outputs[vout-1].status !== TokenUtxoStatus.UNSPENT && graph.outputs[vout-1].status !== BatonUtxoStatus.BATON_UNSPENT) {
console.log(graph.outputs);
console.log(`[INFO] TXO is not unspent (deleting from token UTXO set): ${txid}:${vout}`);
this._tokenUtxos.delete(utxo);
return;
}
if(this._addresses.has(addr)) {
bal = this._addresses.get(addr)!
bal.satoshis_balance+=txout.bchSatoshis
if(txnDetails.transactionType === SlpTransactionType.SEND)
bal.token_balance = bal.token_balance.plus(txnDetails.sendOutputs![vout])
else if(vout === 1)
bal.token_balance = bal.token_balance.plus(txnDetails.genesisOrMintQuantity!)
}
else {
if(txnDetails.transactionType === SlpTransactionType.SEND)
bal = { satoshis_balance: txout.bchSatoshis, token_balance: txnDetails.sendOutputs![vout] }
else if(vout === 1)
bal = { satoshis_balance: txout.bchSatoshis, token_balance: txnDetails.genesisOrMintQuantity! }
}
if(bal && bal.token_balance.isGreaterThan(0)) {
this._addresses.set(addr, <any>bal);
}
}
});
}
async getTotalMintQuantity(): Promise<BigNumber> {
let qty = this._tokenDetails.genesisOrMintQuantity;
if(!qty)
throw Error("Cannot have Genesis without quantity.");
this._graphTxns.forEach(t => {
if(t.details.transactionType === SlpTransactionType.MINT)
qty = qty!.plus(t.details.genesisOrMintQuantity!)
})
return qty;
}
getTotalHeldByAddresses(): BigNumber {
let qty = new BigNumber(0);
this._addresses.forEach(a => qty = qty.plus(a.token_balance))
return qty;
}
getTotalSatoshisLockedUp(): number {
let qty = 0;
this._addresses.forEach(a => qty+=a.satoshis_balance);
return Math.round(qty);
}
async getBatonStatus(): Promise<TokenBatonStatus> {
if(!this._tokenDetails.containsBaton)
return TokenBatonStatus.NEVER_CREATED;
else if(this._tokenDetails.containsBaton === true) {
if(this._mintBatonUtxo.includes(this._tokenDetails.tokenIdHex + ":" + this._tokenDetails.batonVout))
return TokenBatonStatus.ALIVE;
let mintTxids = Array.from(this._graphTxns).filter(o => o[1].details.transactionType === SlpTransactionType.MINT).map(o => o[0]);
let mints = mintTxids.map(i => this._slpValidator.cachedValidations[i])
if(mints) {
for(let i = 0; i < mints!.length; i++) {
let valid = mints[i].validity;
let vout = mints[i].details!.batonVout;
if(valid && vout && this._mintBatonUtxo.includes(mintTxids[i] + ":" + vout))
return TokenBatonStatus.ALIVE;
if(valid && !vout)
return TokenBatonStatus.DEAD_ENDED;
}
}
}
return TokenBatonStatus.DEAD_BURNED;
}
async searchForNonSlpBurnTransactions(): Promise<void> {
await this.asyncForEach(Array.from(this._tokenUtxos), async (txo: string) => {
await this.updateTxoIfSpent(txo)
})
if(this._mintBatonUtxo !== "")
await this.updateTxoIfSpent(this._mintBatonUtxo);
}
async updateTxoIfSpent(txo: string) {
let txid = txo.split(":")[0];
let vout = parseInt(txo.split(":")[1]);
let txout = null;
try {
txout = await RpcClient.getTxOut(txid, vout);
} catch(_) { }
if(!txout) {
// check for a double spent transaction
let txn;
try {
txn = await RpcClient.getRawTransaction(txid);
} catch(err) {
console.log(`[ERROR] Could not get transaction ${txid} in updateTxoIfSpent: ${err}`);
}
if(txn) {
console.log("[INFO] updateTxoIfSpent(): Updating token graph for TXO",txo);
await this.updateTokenGraphFrom({ txid, isParent: true });
} else {
let gt = this._graphTxns.get(txid);
if(gt) {
this._slpValidator.cachedValidations[txid].validity = false;
for(let i = 0; i < gt.inputs.length; i++) {
let igt = this._graphTxns.get(gt.inputs[i].txid)
if(igt) {
igt.outputs = [];
}
await this.updateTokenGraphFrom({ txid: gt.inputs[i].txid, isParent: true });
}
console.log("[INFO] updateTxoIfSpent(): Removing unknown transaction from token graph.",txo);
let outlength = gt.outputs.length;
this._graphTxns.delete(txid);
for(let i = 0; i < outlength; i++) {
let txo = txid + ":" + vout;
let deleted = this._tokenUtxos.delete(txo);
if(deleted)
console.log("[INFO] updateTxoIfSpent(): Removing utxo for unknown transaction", txo);
}
}
}
}
}
async _checkGraphBlockHashes() {
// update blockHash for each graph item.
if(this._startupTxoSendCache) {
let blockHashes = new Map<string, Buffer|null>();
Array.from(this._startupTxoSendCache.toMap()).forEach(i => {
blockHashes.set(i[1].txid, i[1].blockHash);
});
blockHashes.forEach((v, k) => {
if(this._graphTxns.has(k))
this._graphTxns.get(k)!.blockHash = v;
});
}
let count = 0;
for(let key of Array.from( this._graphTxns.keys() )) {
if(this._graphTxns.has(key) &&
!this._graphTxns.get(key)!.blockHash &&
!this._manager._bit.slpMempool.has(key))
{
let hash: string;
console.log("[INFO] Querying block hash for graph transaction", key);
try {
if (this._manager._bit.doubleSpendCache.has(key)) {
this._graphTxns.delete(key);
continue;
}
hash = await RpcClient.getTransactionBlockHash(key);
console.log(`[INFO] Block hash: ${hash} for ${key}`);
// add delay to prevent flooding rpc
if(count++ > 1000) {
await sleep(1000);
count = 0;
}
} catch(_) {
console.log("[INFO] Removing unknown transaction", key);
this._graphTxns.delete(key);
continue;
}
if(hash) {
console.log("[INFO] Updating block hash for", key);
this._graphTxns.get(key)!.blockHash = Buffer.from(hash, 'hex');
} else if (this._manager._bit.slpMempool.has(key)) {
continue;
} else {
console.log("[INFO] Making sure transaction is in BCH mempool.");
let mempool = await RpcClient.getRawMemPool();
if (mempool.includes(key)) {
continue;
}
throw Error(`Unknown error occured in setting blockhash for ${key})`);
}
}
}
// TODO: remove temporary paranoia
for(let key of Array.from( this._graphTxns.keys() )) {
if(!this._graphTxns.get(key)!.blockHash && !this._manager._bit.slpMempool.has(key)) {
if(SlpdbStatus.state === SlpdbState.RUNNING)
throw Error(`No blockhash for ${key}`);
else
console.log('[INFO] Allowing missing block hash during startup conditions.');
}
}
}
async UpdateStatistics(saveToDb=true, fromGraphUpdateQueue=false): Promise<void> {
let self = this;
if (this._graphUpdateQueue.size === 0 && (this._graphUpdateQueue.pending === 0 || fromGraphUpdateQueue)) {
await this._statsUpdateQueue.add(async function() {
await self._updateStatistics(saveToDb);
});
} else {
console.log(`[INFO] UpdateStatistics(${saveToDb}, ${fromGraphUpdateQueue}) - skipped graphUpdateQueue.pending: ${this._graphUpdateQueue.pending} graphUpdateQueue.size: ${this._graphUpdateQueue.size}`);
}
}
async _updateStatistics(saveToDb=true): Promise<void> {
if(this.IsValid) {
await this.updateAddressesFromScratch();
await this._checkGraphBlockHashes();
let block_created = await Query.queryTokenGenesisBlock(this._tokenDetails.tokenIdHex);
let block_last_active_mint = await Query.blockLastMinted(this._tokenDetails.tokenIdHex);
let block_last_active_send = await Query.blockLastSent(this._tokenDetails.tokenIdHex);
let qty_token_minted = await this.getTotalMintQuantity();
let minting_baton_status = await this.getBatonStatus();
this._tokenStats = <TokenStats> {
block_created: block_created,
block_last_active_mint: block_last_active_mint,
block_last_active_send: block_last_active_send,
qty_valid_txns_since_genesis: this._graphTxns.size,
qty_valid_token_utxos: this._tokenUtxos.size,
qty_valid_token_addresses: this._addresses.size,
qty_token_minted: qty_token_minted,
qty_token_burned: new BigNumber(0),
qty_token_circulating_supply: this.getTotalHeldByAddresses(),
qty_satoshis_locked_up: this.getTotalSatoshisLockedUp(),
minting_baton_status: minting_baton_status
}
this._tokenStats.qty_token_burned = this._tokenStats.qty_token_minted.minus(this._tokenStats.qty_token_circulating_supply)
if(this._tokenStats.qty_token_circulating_supply.isGreaterThan(this._tokenStats.qty_token_minted)) {
console.log("[ERROR] Cannot have circulating supply larger than total minted quantity.");
//console.log("[INFO] Statistics will be recomputed after update queue is cleared.");
// TODO: handle this condition gracefully.
}
if(!this._tokenStats.qty_token_circulating_supply.isEqualTo(this._tokenStats.qty_token_minted.minus(this._tokenStats.qty_token_burned))) {
console.log("[WARN] Circulating supply minus burn quantity does not equal minted quantity");
//console.log("[INFO] Statistics will be recomputed after update queue is cleared.");
// TODO: handle this condition gracefully.
}
if(saveToDb && !this._exit) {
await this._db.tokenInsertReplace(this.toTokenDbObject());
await this._db.addressInsertReplace(this.toAddressesDbObject(), this._tokenDetails.tokenIdHex);
await this._db.graphInsertReplace(this.toGraphDbObject(), this._tokenDetails.tokenIdHex);
await this._db.utxoInsertReplace(this.toUtxosDbObject(), this._tokenDetails.tokenIdHex);
}
console.log("########################################################################################################")
console.log("TOKEN STATS/ADDRESSES FOR", this._tokenDetails.name, this._tokenDetails.tokenIdHex)
console.log("########################################################################################################")
this.logTokenStats();
this.logAddressBalances();
}
}
logTokenStats(): void {
console.log("TOKEN STATS:")
console.log({
block_created: this._tokenStats.block_created,
block_last_active_mint: this._tokenStats.block_last_active_mint,
block_last_active_send: this._tokenStats.block_last_active_send,
qty_valid_txns_since_genesis: this._tokenStats.qty_valid_txns_since_genesis,
qty_valid_token_utxos: this._tokenStats.qty_valid_token_utxos,
qty_valid_token_addresses: this._tokenStats.qty_valid_token_addresses,
qty_token_minted: this._tokenStats.qty_token_minted.dividedBy(10**this._tokenDetails.decimals).toFixed(),
qty_token_burned: this._tokenStats.qty_token_burned.dividedBy(10**this._tokenDetails.decimals).toFixed(),
qty_token_circulating_supply: this._tokenStats.qty_token_circulating_supply.dividedBy(10**this._tokenDetails.decimals).toFixed(),
qty_satoshis_locked_up: this._tokenStats.qty_satoshis_locked_up,
minting_baton_status: this._tokenStats.minting_baton_status
})
}
logAddressBalances(): void {
console.log("ADDRESS BALANCES:")
console.log(Array.from(this._addresses).map((v, _, __) => {
return {
addr: v[0],
bal: v[1].token_balance.dividedBy(10**this._tokenDetails.decimals).toFixed()
}
})
)
}
toTokenDbObject(): TokenDBObject {
let tokenDetails = SlpTokenGraph.MapTokenDetailsToDbo(this._tokenDetails, this._tokenDetails.decimals);
let result: TokenDBObject = {
schema_version: Config.db.token_schema_version,
lastUpdatedBlock: this._lastUpdatedBlock,
tokenDetails: tokenDetails,
mintBatonUtxo: this._mintBatonUtxo,
tokenStats: this.mapTokenStatstoDbo(this._tokenStats),
}
if(this._nftParentId) {
result.nftParentId = this._nftParentId;
}
return result;
}
toAddressesDbObject(): AddressBalancesDbo[] {
let tokenDetails = SlpTokenGraph.MapTokenDetailsToDbo(this._tokenDetails, this._tokenDetails.decimals);
let result: AddressBalancesDbo[] = [];
Array.from(this._addresses).forEach(a => {
result.push({
tokenDetails: { tokenIdHex: tokenDetails.tokenIdHex },
address: a[0],
satoshis_balance: a[1].satoshis_balance,
token_balance: Decimal128.fromString(a[1].token_balance.dividedBy(10**this._tokenDetails.decimals).toFixed())
})
})
return result;
}
toUtxosDbObject(): UtxoDbo[] {
let result: UtxoDbo[] = [];
Array.from(this._tokenUtxos).forEach(u => {
let txid = u.split(":")[0];
let vout = u.split(":")[1];
let output = this.utxoToUtxoDbo(txid, vout);
if(output)
result.push(output);
});
return result;
}
utxoToUtxoDbo(txid: string, vout: string) {
if(!this._graphTxns.has(txid)) {
this._tokenUtxos.delete(`${txid}:${vout}`);
return undefined;
}
let output = this._graphTxns.get(txid)!.outputs.find(o => o.vout == parseInt(vout));
if (output) {
return <UtxoDbo>{
tokenDetails: {
tokenIdHex: this._tokenDetails.tokenIdHex
},
utxo: txid + ":" + vout,
txid: txid,
vout: parseInt(vout),
address: output.address,
bchSatoshis: output.bchSatoshis,
slpAmount: Decimal128.fromString(output.slpAmount.dividedBy(10 ** this._tokenDetails.decimals).toFixed())
};
}
return undefined;
}
toGraphDbObject(): GraphTxnDbo[] {
let tokenDetails = SlpTokenGraph.MapTokenDetailsToDbo(this._tokenDetails, this._tokenDetails.decimals);
let result: GraphTxnDbo[] = [];
Array.from(this._graphTxns).forEach(k => {
result.push({
tokenDetails: { tokenIdHex: tokenDetails.tokenIdHex },
graphTxn: {
txid: k[0],
details: SlpTokenGraph.MapTokenDetailsToDbo(this._graphTxns.get(k[0])!.details, this._tokenDetails.decimals),
outputs: this.mapGraphTxnOutputsToDbo(this._graphTxns.get(k[0])!.outputs),
inputs: this._graphTxns.get(k[0])!.inputs.map((i) => {
return {
address: i.address,
txid: i.txid,
vout: i.vout,
bchSatoshis: i.bchSatoshis,
slpAmount: Decimal128.fromString(i.slpAmount.dividedBy(10**this._tokenDetails.decimals).toFixed())
}