[**brk-client**](../README.md) *** [brk-client](../globals.md) / MempoolBlock # Interface: MempoolBlock Defined in: [Developer/brk/modules/brk-client/index.js:585](https://github.com/bitcoinresearchkit/brk/blob/83edef4806773ef7225b7c0de863c44bd953169d/modules/brk-client/index.js#L585) ## Properties ### blockSize > **blockSize**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:586](https://github.com/bitcoinresearchkit/brk/blob/83edef4806773ef7225b7c0de863c44bd953169d/modules/brk-client/index.js#L586) Total block size in weight units *** ### blockVSize > **blockVSize**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:587](https://github.com/bitcoinresearchkit/brk/blob/83edef4806773ef7225b7c0de863c44bd953169d/modules/brk-client/index.js#L587) Total block virtual size in vbytes *** ### feeRange > **feeRange**: `number`[] Defined in: [Developer/brk/modules/brk-client/index.js:591](https://github.com/bitcoinresearchkit/brk/blob/83edef4806773ef7225b7c0de863c44bd953169d/modules/brk-client/index.js#L591) Fee rate range: [min, 10%, 25%, 50%, 75%, 90%, max] *** ### medianFee > **medianFee**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:590](https://github.com/bitcoinresearchkit/brk/blob/83edef4806773ef7225b7c0de863c44bd953169d/modules/brk-client/index.js#L590) Median fee rate in sat/vB *** ### nTx > **nTx**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:588](https://github.com/bitcoinresearchkit/brk/blob/83edef4806773ef7225b7c0de863c44bd953169d/modules/brk-client/index.js#L588) Number of transactions in the projected block *** ### totalFees > **totalFees**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:589](https://github.com/bitcoinresearchkit/brk/blob/83edef4806773ef7225b7c0de863c44bd953169d/modules/brk-client/index.js#L589) Total fees in satoshis