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Merge branch 'master' into mononaut/next-block-drift

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wiz 2023-02-04 00:03:16 +09:00 committed by GitHub
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6 changed files with 33 additions and 2 deletions
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1
frontend/README.md
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@ -132,3 +132,4 @@ https://www.transifex.com/mempool/mempool/dashboard/
* Russian @TonyCrusoe @Bitconan
* Romanian @mirceavesa
* Macedonian @SkechBoy
* Nepalese @kebinm

4
frontend/src/app/components/block/block.component.html
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@ -53,7 +53,7 @@
<td [innerHTML]="'&lrm;' + (block.weight | wuBytes: 2)"></td>
</tr>
<tr *ngIf="auditAvailable">
<td i18n="latest-blocks.health">Health</td>
<td i18n="latest-blocks.health">Health <a class="info-link" [routerLink]="['/docs/faq' | relativeUrl ]" fragment="what-is-block-health"><fa-icon [icon]="['fas', 'info-circle']" [fixedWidth]="true"></fa-icon></a></td>
<td>
<span
class="health-badge badge"
@ -231,7 +231,7 @@
</div>
</div>
</div>
<ng-template [ngIf]="!isLoadingBlock && !error">
<div [hidden]="!showDetails" id="details">
<br>

4
frontend/src/app/components/block/block.component.scss
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@ -34,6 +34,10 @@
text-align: left;
}
}
.info-link {
color: rgba(255, 255, 255, 0.4);
margin-left: 5px;
}
}
}

7
frontend/src/app/docs/api-docs/api-docs-data.ts
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@ -8667,6 +8667,13 @@ export const faqData = [
fragment: "why-dont-fee-ranges-match",
title: "Why doesn't the fee range shown for a block match the feerates of transactions within the block?",
},
{
type: "endpoint",
category: "advanced",
showConditions: bitcoinNetworks,
fragment: "what-is-block-health",
title: "What is block health?",
},
{
type: "category",
category: "self-hosting",

13
frontend/src/app/docs/api-docs/api-docs.component.html
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@ -218,6 +218,19 @@
<p>For unconfirmed CPFP transactions, Mempool will show the effective feerate (along with descendent & ancestor transaction information) on the transaction page. For confirmed transactions, CPFP relationships are not stored, so this additional information is not shown.</p>
</ng-template>
<ng-template type="what-is-block-health">
<p>Block health indicates the extent of <i>potential</i> censorship in a block. This is determined by counting how many expected transactions a block is missing—a block that is not missing any expected transactions will have 100% health, while a block missing 1 or more expected transactions will have sub-100% health.</p>
<p>How does this work? Let <span class='math'>s<sub>expected</sub></span> be the set of all transactions Mempool expected to be in a block and let <span class='math'>s<sub>actual</sub></span> be the set of all transactions actually in a block. Let <span class='math'>n</span> be the number of all transactions in both <span class='math'>s<sub>expected</sub></span> and <span class='math'>s<sub>actual</sub></span>.</p>
<p>Then let <span class='math'>r</span> be the number of removed transactions—all transactions expected to be in <span class='math'>s<sub>actual</sub></span> but not actually in it (excluding those that have been recently broadcast; see below).</p>
<p>Block health is calculated as <span class='math'>n / ( n + r</span> ).</p>
<p>Transactions appearing in both <span class='math'>s<sub>expected</sub></span> and <span class='math'>s<sub>actual</sub></span> are used (instead of a block's full transaction count) in order to minimize chances that block health is impacted by missing transactions that don't imply censorship:</p>
<ul>
<li>recently-broadcast transactions, since the miner may simply not have received them</li>
<li>certain low-feerate transactions, since the miner may have opted to replace them with more profitable out-of-band transactions</li>
</ul>
<p>Mempool uses a re-implementation of Bitcoin Core's transaction selection algorithm to determine the transactions it expects to see in the next block.</p>
</ng-template>
<ng-template type="who-runs-this-website">
The official mempool.space website is operated by The Mempool Open Source Project. See more information on our <a [routerLink]="['/about']">About page</a>. There are also many unofficial instances of this website operated by individual members of the Bitcoin community.
</ng-template>

6
frontend/src/app/docs/api-docs/api-docs.component.scss
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@ -21,6 +21,12 @@ code {
font-family: Consolas,Monaco,Lucida Console,Liberation Mono,DejaVu Sans Mono,Bitstream Vera Sans Mono,Courier New;
}
.math {
font-family: monospace;
margin-left: 4px;
margin-right: 4px;
}
tr {
white-space: inherit;
}