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Fix for race condition causing cpfp fetching not working. (#533)

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fixes #505
This commit is contained in:
softsimon 2021-05-21 17:06:53 +04:00 committed by GitHub
parent edad15da0d
commit a4cd6450e3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 26 additions and 26 deletions
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52
frontend/src/app/components/transaction/transaction.component.ts
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@ -47,6 +47,32 @@ export class TransactionComponent implements OnInit, OnDestroy {
this.websocketService.want(['blocks', 'mempool-blocks']);
this.stateService.networkChanged$.subscribe((network) => this.network = network);
this.fetchCpfpSubscription = this.fetchCpfp$
.pipe(
switchMap((txId) => this.apiService.getCpfpinfo$(txId)
.pipe(
retryWhen((errors) => errors.pipe(delay(2000)))
)
),
)
.subscribe((cpfpInfo) => {
if (!this.tx) {
return;
}
const lowerFeeParents = cpfpInfo.ancestors.filter((parent) => (parent.fee / (parent.weight / 4)) < this.tx.feePerVsize);
let totalWeight = this.tx.weight + lowerFeeParents.reduce((prev, val) => prev + val.weight, 0);
let totalFees = this.tx.fee + lowerFeeParents.reduce((prev, val) => prev + val.fee, 0);
if (cpfpInfo.bestDescendant) {
totalWeight += cpfpInfo.bestDescendant.weight;
totalFees += cpfpInfo.bestDescendant.fee;
}
this.tx.effectiveFeePerVsize = totalFees / (totalWeight / 4);
this.stateService.markBlock$.next({ txFeePerVSize: this.tx.effectiveFeePerVsize });
this.cpfpInfo = cpfpInfo;
});
this.subscription = this.route.paramMap.pipe(
switchMap((params: ParamMap) => {
this.txId = params.get('id') || '';
@ -117,32 +143,6 @@ export class TransactionComponent implements OnInit, OnDestroy {
this.isLoadingTx = false;
});
this.fetchCpfpSubscription = this.fetchCpfp$
.pipe(
switchMap((txId) => this.apiService.getCpfpinfo$(txId)
.pipe(
retryWhen((errors) => errors.pipe(delay(2000)))
)
),
)
.subscribe((cpfpInfo) => {
if (!this.tx) {
return;
}
const lowerFeeParents = cpfpInfo.ancestors.filter((parent) => (parent.fee / (parent.weight / 4)) < this.tx.feePerVsize);
let totalWeight = this.tx.weight + lowerFeeParents.reduce((prev, val) => prev + val.weight, 0);
let totalFees = this.tx.fee + lowerFeeParents.reduce((prev, val) => prev + val.fee, 0);
if (cpfpInfo.bestDescendant) {
totalWeight += cpfpInfo.bestDescendant.weight;
totalFees += cpfpInfo.bestDescendant.fee;
}
this.tx.effectiveFeePerVsize = totalFees / (totalWeight / 4);
this.stateService.markBlock$.next({ txFeePerVSize: this.tx.effectiveFeePerVsize });
this.cpfpInfo = cpfpInfo;
});
this.stateService.blocks$
.subscribe(([block, txConfirmed]) => {
this.latestBlock = block;