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Merge pull request #1248 from antonilol/api-mempool

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implement /api/mempool for home users (romanz/electrs backend)
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softsimon 2022-02-14 12:24:16 +04:00 committed by GitHub
commit 820daf377e
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3 changed files with 9 additions and 2 deletions
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1
backend/src/api/bitcoin/bitcoin-api.interface.ts
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@ -4,6 +4,7 @@ export namespace IBitcoinApi {
size: number; // (numeric) Current tx count size: number; // (numeric) Current tx count
bytes: number; // (numeric) Sum of all virtual transaction sizes as defined in BIP 141. bytes: number; // (numeric) Sum of all virtual transaction sizes as defined in BIP 141.
usage: number; // (numeric) Total memory usage for the mempool usage: number; // (numeric) Total memory usage for the mempool
total_fee: number; // (numeric) Total fees of transactions in the mempool
maxmempool: number; // (numeric) Maximum memory usage for the mempool maxmempool: number; // (numeric) Maximum memory usage for the mempool
mempoolminfee: number; // (numeric) Minimum fee rate in BTC/kB for tx to be accepted. mempoolminfee: number; // (numeric) Minimum fee rate in BTC/kB for tx to be accepted.
minrelaytxfee: number; // (numeric) Current minimum relay fee for transactions minrelaytxfee: number; // (numeric) Current minimum relay fee for transactions

2
backend/src/api/mempool.ts
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@ -14,7 +14,7 @@ class Mempool {
private static LAZY_DELETE_AFTER_SECONDS = 30; private static LAZY_DELETE_AFTER_SECONDS = 30;
private inSync: boolean = false; private inSync: boolean = false;
private mempoolCache: { [txId: string]: TransactionExtended } = {}; private mempoolCache: { [txId: string]: TransactionExtended } = {};
private mempoolInfo: IBitcoinApi.MempoolInfo = { loaded: false, size: 0, bytes: 0, usage: 0, private mempoolInfo: IBitcoinApi.MempoolInfo = { loaded: false, size: 0, bytes: 0, usage: 0, total_fee: 0,
maxmempool: 300000000, mempoolminfee: 0.00001000, minrelaytxfee: 0.00001000 }; maxmempool: 300000000, mempoolminfee: 0.00001000, minrelaytxfee: 0.00001000 };
private mempoolChangedCallback: ((newMempool: {[txId: string]: TransactionExtended; }, newTransactions: TransactionExtended[], private mempoolChangedCallback: ((newMempool: {[txId: string]: TransactionExtended; }, newTransactions: TransactionExtended[],
deletedTransactions: TransactionExtended[]) => void) | undefined; deletedTransactions: TransactionExtended[]) => void) | undefined;

8
backend/src/routes.ts
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@ -699,7 +699,13 @@ class Routes {
} }
public async getMempool(req: Request, res: Response) { public async getMempool(req: Request, res: Response) {
res.status(501).send('Not implemented'); const info = mempool.getMempoolInfo();
res.json({
count: info.size,
vsize: info.bytes,
total_fee: info.total_fee * 1e8,
fee_histogram: []
});
} }
public async getMempoolTxIds(req: Request, res: Response) { public async getMempoolTxIds(req: Request, res: Response) {