wallet-storage
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BRC100 conforming wallet, wallet storage and wallet signer components
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<h1><a href="../../index.html">All files</a> / <a href="index.html">src/storage</a> StorageReader.ts</h1>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { sdk, table, validateSecondsSinceEpoch, verifyOneOrNone, verifyTruthy } from "../index.client";
import { getSyncChunk } from "./methods/getSyncChunk";
/**
* The `StorageReader` abstract class is the base of the concrete wallet storage provider classes.
*
* It is the minimal interface required to read all wallet state records and is the base class for sync readers.
*
* The next class in the heirarchy is the `StorageReaderWriter` which supports sync readers and writers.
*
* The last class in the heirarchy is the `Storage` class which supports all active wallet operations.
*
* The ability to construct a properly configured instance of this class implies authentication.
* As such there are no user specific authenticated access checks implied in the implementation of any of these methods.
*/
export abstract class StorageReader implements sdk.StorageSyncReader {
chain: sdk.Chain
_settings?: table.Settings
whenLastAccess?: Date
get dbtype(): DBType | undefined { return this._settings<span class="branch-0 cbranch-no" title="branch not covered" >?.d</span>btype }
constructor(options: StorageReaderOptions) {
this.chain = options.chain
}
isAvailable(): boolean {
return !!this._settings
}
async makeAvailable(): Promise<table.Settings> {
return this._settings = await this.readSettings()
}
getSettings() : table.Settings {
<span class="missing-if-branch" title="if path not taken" >I</span>if (!this._settings)
<span class="cstat-no" title="statement not covered" > throw new sdk.WERR_INVALID_OPERATION('must call "makeAvailable" before accessing "settings"');</span>
return this._settings
}
<span class="fstat-no" title="function not covered" > isStorageProvider(</span>): boolean { <span class="cstat-no" title="statement not covered" >return false }</span>
abstract destroy(): Promise<void>
abstract transaction<T>(scope: (trx: sdk.TrxToken) => Promise<T>, trx?: sdk.TrxToken): Promise<T>
abstract readSettings(trx?: sdk.TrxToken): Promise<table.Settings>
abstract findCertificateFields(args: sdk.FindCertificateFieldsArgs): Promise<table.CertificateField[]>
abstract findCertificates(args: sdk.FindCertificatesArgs): Promise<table.Certificate[]>
abstract findCommissions(args: sdk.FindCommissionsArgs): Promise<table.Commission[]>
abstract findMonitorEvents(args: sdk.FindMonitorEventsArgs): Promise<table.MonitorEvent[]>
abstract findOutputBaskets(args: sdk.FindOutputBasketsArgs): Promise<table.OutputBasket[]>
abstract findOutputs(args: sdk.FindOutputsArgs): Promise<table.Output[]>
abstract findOutputTags(args: sdk.FindOutputTagsArgs): Promise<table.OutputTag[]>
abstract findSyncStates(args: sdk.FindSyncStatesArgs): Promise<table.SyncState[]>
abstract findTransactions(args: sdk.FindTransactionsArgs): Promise<table.Transaction[]>
abstract findTxLabels(args: sdk.FindTxLabelsArgs): Promise<table.TxLabel[]>
abstract findUsers(args: sdk.FindUsersArgs ): Promise<table.User[]>
abstract countCertificateFields(args: sdk.FindCertificateFieldsArgs) : Promise<number>
abstract countCertificates(args: sdk.FindCertificatesArgs) : Promise<number>
abstract countCommissions(args: sdk.FindCommissionsArgs) : Promise<number>
abstract countMonitorEvents(args: sdk.FindMonitorEventsArgs): Promise<number>
abstract countOutputBaskets(args: sdk.FindOutputBasketsArgs) : Promise<number>
abstract countOutputs(args: sdk.FindOutputsArgs) : Promise<number>
abstract countOutputTags(args: sdk.FindOutputTagsArgs) : Promise<number>
abstract countSyncStates(args: sdk.FindSyncStatesArgs): Promise<number>
abstract countTransactions(args: sdk.FindTransactionsArgs) : Promise<number>
abstract countTxLabels(args: sdk.FindTxLabelsArgs) : Promise<number>
abstract countUsers(args: sdk.FindUsersArgs) : Promise<number>
abstract getProvenTxsForUser(args: sdk.FindForUserSincePagedArgs) : Promise<table.ProvenTx[]>
abstract getProvenTxReqsForUser(args: sdk.FindForUserSincePagedArgs) : Promise<table.ProvenTxReq[]>
abstract getTxLabelMapsForUser(args: sdk.FindForUserSincePagedArgs) : Promise<table.TxLabelMap[]>
abstract getOutputTagMapsForUser(args: sdk.FindForUserSincePagedArgs) : Promise<table.OutputTagMap[]>
async findUserByIdentityKey(key: string) : Promise<table.User| undefined> {
return verifyOneOrNone(await this.findUsers({ partial: { identityKey: key } }))
}
async getSyncChunk(args: sdk.RequestSyncChunkArgs): Promise<sdk.SyncChunk> {
return getSyncChunk(this, args)
}
/**
* Force dates to strings on SQLite and Date objects on MySQL
* @param date
* @returns
*/
validateEntityDate(date: Date | string | number)
: Date | string {
<span class="missing-if-branch" title="if path not taken" >I</span>if (!this.dbtype) <span class="cstat-no" title="statement not covered" >throw new sdk.WERR_INTERNAL('must call verifyReadyForDatabaseAccess first')</span>
let r: Date | string = this.validateDate(date)
switch (this.dbtype) {
<span class="branch-0 cbranch-no" title="branch not covered" > case 'MySQL':</span>
<span class="cstat-no" title="statement not covered" > break</span>
case 'SQLite':
r = r.toISOString()
break
<span class="branch-2 cbranch-no" title="branch not covered" > default: <span class="cstat-no" title="statement not covered" >throw new sdk.WERR_INTERNAL(`Invalid dateScheme ${this.dbtype}`)</span></span>
}
return r
}
/**
*
* @param date
* @param useNowAsDefault if true and date is null or undefiend, set to current time.
* @returns
*/
validateOptionalEntityDate(date: Date | string | number | null | undefined, useNowAsDefault?: boolean)
: Date | string | undefined {
<span class="missing-if-branch" title="if path not taken" >I</span>if (!this.dbtype) <span class="cstat-no" title="statement not covered" >throw new sdk.WERR_INTERNAL('must call verifyReadyForDatabaseAccess first')</span>
let r: Date | string | undefined = this.validateOptionalDate(date)
<span class="missing-if-branch" title="if path not taken" >I</span>if (!r && <span class="branch-1 cbranch-no" title="branch not covered" >useNowAsDefault)</span> <span class="cstat-no" title="statement not covered" >r = new Date()</span>
switch (this.dbtype) {
<span class="branch-0 cbranch-no" title="branch not covered" > case 'MySQL':</span>
<span class="cstat-no" title="statement not covered" > break</span>
case 'SQLite':
if (r)
r = r.toISOString()
break
<span class="branch-2 cbranch-no" title="branch not covered" > default: <span class="cstat-no" title="statement not covered" >throw new sdk.WERR_INTERNAL(`Invalid dateScheme ${this.dbtype}`)</span></span>
}
return r
}
validateDate(date: Date | string | number): Date {
let r: Date
if (date instanceof Date)
r = date
else
r = new Date(date)
return r
}
validateOptionalDate(date: Date | string | number | null | undefined): Date | undefined {
<span class="missing-if-branch" title="if path not taken" >I</span>if (date === null || date === undefined) <span class="cstat-no" title="statement not covered" >return undefined</span>
return this.validateDate(date)
}
validateDateForWhere(date: Date | string | number): Date | string | number {
<span class="missing-if-branch" title="if path not taken" >I</span>if (!this.dbtype) <span class="cstat-no" title="statement not covered" >throw new sdk.WERR_INTERNAL('must call verifyReadyForDatabaseAccess first')</span>
<span class="missing-if-branch" title="if path not taken" >I</span>if (typeof date === 'number') <span class="cstat-no" title="statement not covered" >date = validateSecondsSinceEpoch(date)</span>
const vdate = verifyTruthy(this.validateDate(date))
let r: Date | string | number
switch (this.dbtype) {
<span class="branch-0 cbranch-no" title="branch not covered" > case 'MySQL':</span>
<span class="cstat-no" title="statement not covered" > r = vdate</span>
<span class="cstat-no" title="statement not covered" > break</span>
case 'SQLite':
r = vdate.toISOString()
break
<span class="branch-2 cbranch-no" title="branch not covered" > default: <span class="cstat-no" title="statement not covered" >throw new sdk.WERR_INTERNAL(`Invalid dateScheme ${this.dbtype}`)</span></span>
}
return r
}
}
export interface StorageReaderOptions {
chain: sdk.Chain
}
export type DBType = 'SQLite' | 'MySQL'
type DbEntityTimeStamp<T extends sdk.EntityTimeStamp> = {
[K in keyof T]: T[K] extends Date ? Date | string : T[K]
}</pre></td></tr></table></pre>
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