wallet-storage

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/monitor/tasks/TaskCheckForProofs.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../../../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../../../index.html">All files</a> / <a href="index.html">src/monitor/tasks</a> TaskCheckForProofs.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 70.93% Statements 61/86 </div> <div class='fl pad1y space-right2'> 42.85% Branches 15/35 </div> <div class='fl pad1y space-right2'> 85.71% Functions 6/7 </div> <div class='fl pad1y space-right2'> 71.6% Lines 58/81 </div> </div> Press n or j to go 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class="prettyprint lang-js">import { asString, doubleSha256BE, entity, sdk, table } from '../../index.client'; import { Monitor } from '../Monitor'; import { WalletMonitorTask } from './WalletMonitorTask';   /** * `TaskCheckForProofs` is a WalletMonitor task that retreives merkle proofs for * transactions. * * It is normally triggered by the Chaintracks new block header event. * * When a new block is found, cwi-external-services are used to obtain proofs for * any transactions that are currently in the 'unmined' or 'unknown' state. * * If a proof is obtained and validated, a new ProvenTx record is created and * the original ProvenTxReq status is advanced to 'notifying'. */   export class TaskCheckForProofs extends WalletMonitorTask { static taskName = 'CheckForProofs';   /** * An external service such as the chaintracks new block header * listener can set this true to cause */ static checkNow = false;   constructor(monitor: Monitor, public triggerMsecs = 0) { super(monitor, TaskCheckForProofs.taskName); }   /** * Normally triggered by checkNow getting set by new block header found event from chaintracks */ trigger(nowMsecsSinceEpoch: number): { run: boolean; } { return { run: ( TaskCheckForProofs.checkNow || this.triggerMsecs > 0 && nowMsecsSinceEpoch - this.lastRunMsecsSinceEpoch > this.triggerMsecs ) }; }   async runTask(): Promise<string> { let log = ''; const countsAsAttempt = TaskCheckForProofs.checkNow; TaskCheckForProofs.checkNow = false;   const limit = 100; let offset = 0; for (; ;) { const reqs = await this.storage.findProvenTxReqs({ partial: {}, status: ['callback', 'unmined', 'nosend', 'sending', 'unknown', 'unconfirmed'], paged: { limit, offset } }); Iif (reqs.length === 0) break; log += `${reqs.length} reqs with status 'callback', 'unmined', 'nosend', 'sending', 'unknown', or 'unconfirmed'\n`; const r = await this.getProofs(reqs, 2, countsAsAttempt); log += `${r.log}\n`; //console.log(log); if (reqs.length < limit) break; offset += limit; } return log }   /** * Process an array of table.ProvenTxReq (typically with status 'unmined' or 'unknown') * * If req is invalid, set status 'invalid' * * Verify the requests are valid, lookup proofs or updated transaction status using the array of getProofServices, * * When proofs are found, create new ProvenTxApi records and transition the requests' status to 'unconfirmed' or 'notifying', * depending on chaintracks succeeding on proof verification. * * Increments attempts if proofs where requested. * * @param reqs * @returns reqs partitioned by status */ async getProofs(reqs: table.ProvenTxReq[], indent = 0, countsAsAttempt = false, ignoreStatus = false) : Promise<{ proven: table.ProvenTxReq[], invalid: table.ProvenTxReq[], log: string }> { const proven: table.ProvenTxReq[] = [] const invalid: table.ProvenTxReq[] = []   let log = '' for (const reqApi of reqs) { log += ' '.repeat(indent) log += `reqId ${reqApi.provenTxReqId} txid ${reqApi.txid}: ` Iif (!ignoreStatus && reqApi.status !== 'callback' && reqApi.status !== 'unmined' && reqApi.status !== 'unknown' && reqApi.status !== 'unconfirmed' && reqApi.status !== 'nosend' && reqApi.status !== 'sending') { log += `status of '${reqApi.status}' is not ready to be proven.\n` continue }   const req = new entity.ProvenTxReq(reqApi)   Iif (Number.isInteger(req.provenTxId)) { log += `Already linked to provenTxId ${req.provenTxId}.\n` req.notified = false req.status = 'completed' await req.updateStorageDynamicProperties(this.storage) proven.push(reqApi) continue } log += '\n'   let reqIsValid = false if (req.rawTx) { const txid = asString(doubleSha256BE(req.rawTx)) if (txid === req.txid) reqIsValid = true }   Iif (!reqIsValid) { log += ` rawTx doesn't hash to txid. status => invalid.\n` req.notified = false req.status = 'invalid' await req.updateStorageDynamicProperties(this.storage) invalid.push(reqApi) continue }   const limit = this.monitor.chain === 'main' ? this.monitor.options.unprovenAttemptsLimitMain : this.monitor.options.unprovenAttemptsLimitTest Iif (!ignoreStatus && req.attempts > limit) { log += ` too many failed attempts ${req.attempts}\n` req.notified = false req.status = 'invalid' await req.updateStorageDynamicProperties(this.storage) invalid.push(reqApi) continue }   const since = new Date()   let r: sdk.GetMerklePathResult let ptx: entity.ProvenTx | undefined   // External services will try multiple providers until one returns a proof, // or they all fail. // There may also be an array of proofs to consider when a transaction // is recently mined and appears in orphan blocks in addition to active chain blocks. // Since orphan blocks can end up on chain again, multiple proofs has value. // // On failure, there may be a mapi response, or an error. // // The proofs returned are considered sequentially, validating and chaintracks confirming. // // If a good proof is found, proceed to using it. // // When all received proofs fail, force a bump to the next service provider and try // one more time. // r = await this.monitor.services.getMerklePath(req.txid) ptx = await entity.ProvenTx.fromReq(req, r, countsAsAttempt && req.status !== 'nosend')   if (ptx) { // We have a merklePath proof for the request (and a block header) const { provenTxReqId, status, txid, attempts, history } = req.toApi() const { index, height, blockHash, merklePath, merkleRoot } = ptx.toApi() const r = await this.storage.runAsStorageProvider(async (sp) => { return await sp.updateProvenTxReqWithNewProvenTx({ provenTxReqId, status, txid, attempts, history, index, height, blockHash, merklePath, merkleRoot }) }) req.status = r.status req.apiHistory = r.history req.provenTxId = r.provenTxId req.notified = true } else { Iif (countsAsAttempt && req.status !== 'nosend') { req.attempts++ } await req.updateStorageDynamicProperties(this.storage) await req.refreshFromStorage(this.storage) }     log += req.historyPretty(since, indent + 2) + '\n'   if (req.status === 'completed') proven.push(req.api) Iif (req.status === 'invalid') invalid.push(req.api) } return { proven, invalid, log } } }  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2025-01-25T12:31:58.489Z </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="../../../sorter.js"></script> <script src="../../../block-navigation.js"></script> </body> </html>