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Amount of projected blocks is now a config.

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This commit is contained in:
Simon Lindh
2019-07-26 17:42:26 +03:00
parent 8dd58db42a
commit 76f8af9048
3 changed files with 31 additions and 35 deletions
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56
backend/src/api/projected-blocks.ts
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@@ -1,29 +1,13 @@
const config = require('../../mempool-config.json');
import { ITransaction, IProjectedBlock, IMempool, IProjectedBlockInternal } from '../interfaces';
class ProjectedBlocks {
private projectedBlocks: IProjectedBlockInternal[] = [];
private transactionsSorted: ITransaction[] = [];
constructor() {}
public getProjectedBlocks(txId?: string): IProjectedBlock[] {
return this.projectedBlocks.map((projectedBlock) => {
return {
blockSize: projectedBlock.blockSize,
blockWeight: projectedBlock.blockWeight,
nTx: projectedBlock.nTx,
minFee: projectedBlock.minFee,
maxFee: projectedBlock.maxFee,
minWeightFee: projectedBlock.minWeightFee,
maxWeightFee: projectedBlock.maxWeightFee,
medianFee: projectedBlock.medianFee,
fees: projectedBlock.fees,
hasMytx: txId ? projectedBlock.txIds.some((tx) => tx === txId) : false
};
});
}
public getProjectedBlockFeesForBlock(index: number) {
const projectedBlock = this.projectedBlocks[index];
const projectedBlock = this.getProjectedBlocksInternal()[index];
if (!projectedBlock) {
throw new Error('No projected block for that index');
@@ -42,20 +26,34 @@ class ProjectedBlocks {
memPoolArray.push(latestMempool[i]);
}
}
if (!memPoolArray.length) {
this.projectedBlocks = [];
}
memPoolArray.sort((a, b) => b.feePerWeightUnit - a.feePerWeightUnit);
const memPoolArrayFiltered = memPoolArray.filter((tx) => tx.feePerWeightUnit);
const projectedBlocks: any = [];
this.transactionsSorted = memPoolArray.filter((tx) => tx.feePerWeightUnit);
}
public getProjectedBlocks(txId?: string, numberOfBlocks: number = config.DEFAULT_PROJECTED_BLOCKS_AMOUNT): IProjectedBlock[] {
return this.getProjectedBlocksInternal(numberOfBlocks).map((projectedBlock) => {
return {
blockSize: projectedBlock.blockSize,
blockWeight: projectedBlock.blockWeight,
nTx: projectedBlock.nTx,
minFee: projectedBlock.minFee,
maxFee: projectedBlock.maxFee,
minWeightFee: projectedBlock.minWeightFee,
maxWeightFee: projectedBlock.maxWeightFee,
medianFee: projectedBlock.medianFee,
fees: projectedBlock.fees,
hasMytx: txId ? projectedBlock.txIds.some((tx) => tx === txId) : false
};
});
}
private getProjectedBlocksInternal(numberOfBlocks: number = config.DEFAULT_PROJECTED_BLOCKS_AMOUNT): IProjectedBlockInternal[] {
const projectedBlocks: IProjectedBlockInternal[] = [];
let blockWeight = 0;
let blockSize = 0;
let transactions: ITransaction[] = [];
memPoolArrayFiltered.forEach((tx) => {
if (blockWeight + tx.vsize * 4 < 4000000 || projectedBlocks.length === 3) {
this.transactionsSorted.forEach((tx) => {
if (blockWeight + tx.vsize * 4 < 4000000 || projectedBlocks.length === numberOfBlocks) {
blockWeight += tx.vsize * 4;
blockSize += tx.size;
transactions.push(tx);
@@ -69,7 +67,7 @@ class ProjectedBlocks {
if (transactions.length) {
projectedBlocks.push(this.dataToProjectedBlock(transactions, blockSize, blockWeight));
}
this.projectedBlocks = projectedBlocks;
return projectedBlocks;
}
private dataToProjectedBlock(transactions: ITransaction[], blockSize: number, blockWeight: number): IProjectedBlockInternal {