machankura/mempool
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Improved empty mempool as well as medium and low fee estimations.

Browse Source 
refs #65
This commit is contained in:
softsimon
2020-10-05 11:42:54 +07:00
parent 20477aaac0
commit 193c8ab74c
2 changed files with 38 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
frontend/src/app/components/fees-box/fees-box.component.ts
View File

@@ -2,6 +2,7 @@ import { Component, OnInit, ChangeDetectionStrategy } from '@angular/core';
import { StateService } from 'src/app/services/state.service';
import { map, filter } from 'rxjs/operators';
import { merge, Observable } from 'rxjs';
import { MempoolBlock } from 'src/app/interfaces/websocket.interface';
interface FeeEstimations {
fastestFee: number;
@@ -18,13 +19,14 @@ interface FeeEstimations {
export class FeesBoxComponent implements OnInit {
feeEstimations$: Observable<FeeEstimations>;
isLoadingWebSocket$: Observable<boolean>;
defaultFee: number;
constructor(
private stateService: StateService,
) { }
ngOnInit(): void {
const defaultFee = this.stateService.network === 'liquid' ? 0.1 : 1;
this.defaultFee = this.stateService.network === 'liquid' ? 0.1 : 1;
this.isLoadingWebSocket$ = this.stateService.isLoadingWebSocket$;
this.feeEstimations$ = this.stateService.mempoolBlocks$
@@ -32,19 +34,15 @@ export class FeesBoxComponent implements OnInit {
map((pBlocks) => {
if (!pBlocks.length) {
return {
'fastestFee': defaultFee,
'halfHourFee': defaultFee,
'hourFee': defaultFee,
'fastestFee': this.defaultFee,
'halfHourFee': this.defaultFee,
'hourFee': this.defaultFee,
};
}
let firstMedianFee = Math.ceil(pBlocks[0].medianFee);
if (pBlocks.length === 1 && pBlocks[0].blockVSize <= 500000) {
firstMedianFee = defaultFee;
}
const secondMedianFee = pBlocks[1] ? Math.ceil(pBlocks[1].medianFee) : defaultFee;
const thirdMedianFee = pBlocks[2] ? Math.ceil(pBlocks[2].medianFee) : defaultFee;
const firstMedianFee = this.optimizeMedianFee(pBlocks[0]);
const secondMedianFee = pBlocks[1] ? this.optimizeMedianFee(pBlocks[1], firstMedianFee) : this.defaultFee;
const thirdMedianFee = pBlocks[2] ? this.optimizeMedianFee(pBlocks[2], secondMedianFee) : this.defaultFee;
return {
'fastestFee': firstMedianFee,
@@ -55,4 +53,16 @@ export class FeesBoxComponent implements OnInit {
);
}
optimizeMedianFee(pBlock: MempoolBlock, previousFee?: number): number {
const useFee = previousFee ? (pBlock.medianFee + previousFee / 2) : pBlock.medianFee;
if (pBlock.blockVSize <= 500000) {
return this.defaultFee;
}
if (pBlock.blockVSize <= 950000) {
const multiplier = (pBlock.blockVSize - 500000) / 500000;
return Math.max(Math.round(useFee * multiplier), this.defaultFee);
}
return Math.round(useFee);
}
}