[**brk-client**](../README.md) *** [brk-client](../globals.md) / BlockExtras # Interface: BlockExtras Defined in: [Developer/brk/modules/brk-client/index.js:115](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L115) ## Properties ### avgFee > **avgFee**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:121](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L121) Average fee per transaction in satoshis *** ### avgFeeRate > **avgFeeRate**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:122](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L122) Average fee rate in sat/vB *** ### avgTxSize > **avgTxSize**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:128](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L128) Average transaction size in bytes *** ### coinbaseAddress? > `optional` **coinbaseAddress?**: `string` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:124](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L124) Primary coinbase output address *** ### coinbaseAddresses > **coinbaseAddresses**: `string`[] Defined in: [Developer/brk/modules/brk-client/index.js:125](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L125) All coinbase output addresses *** ### coinbaseRaw > **coinbaseRaw**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:123](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L123) Raw coinbase transaction scriptsig as hex *** ### coinbaseSignature > **coinbaseSignature**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:126](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L126) Coinbase output script in ASM format *** ### coinbaseSignatureAscii > **coinbaseSignatureAscii**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:127](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L127) Coinbase scriptsig decoded as ASCII *** ### feePercentiles > **feePercentiles**: `number`[] Defined in: [Developer/brk/modules/brk-client/index.js:133](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L133) Fee amount percentiles in satoshis: [min, 10%, 25%, 50%, 75%, 90%, max] *** ### feeRange > **feeRange**: `number`[] Defined in: [Developer/brk/modules/brk-client/index.js:118](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L118) Fee rate range: [min, 10%, 25%, 50%, 75%, 90%, max] *** ### firstSeen? > `optional` **firstSeen?**: `number` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:142](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L142) Timestamp when the block was first seen (always null, not yet supported) *** ### header > **header**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:137](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L137) Raw 80-byte block header as hex *** ### medianFee > **medianFee**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:117](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L117) Median fee rate in sat/vB *** ### medianFeeAmt > **medianFeeAmt**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:132](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L132) Median fee amount in satoshis *** ### orphans > **orphans**: `string`[] Defined in: [Developer/brk/modules/brk-client/index.js:143](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L143) Orphaned blocks (always empty) *** ### pool > **pool**: [`BlockPool`](BlockPool.md) Defined in: [Developer/brk/modules/brk-client/index.js:120](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L120) Mining pool that mined this block *** ### price > **price**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:144](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L144) USD price at block height *** ### reward > **reward**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:119](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L119) Total block reward (subsidy + fees) in satoshis *** ### segwitTotalSize > **segwitTotalSize**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:135](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L135) Total size of segwit transactions in bytes *** ### segwitTotalTxs > **segwitTotalTxs**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:134](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L134) Number of segwit transactions *** ### segwitTotalWeight > **segwitTotalWeight**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:136](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L136) Total weight of segwit transactions *** ### totalFees > **totalFees**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:116](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L116) Total fees in satoshis *** ### totalInputAmt > **totalInputAmt**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:140](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L140) Total input amount in satoshis *** ### totalInputs > **totalInputs**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:129](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L129) Total number of inputs (excluding coinbase) *** ### totalOutputAmt > **totalOutputAmt**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:131](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L131) Total output amount in satoshis *** ### totalOutputs > **totalOutputs**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:130](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L130) Total number of outputs *** ### utxoSetChange > **utxoSetChange**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:138](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L138) UTXO set change (outputs created minus inputs spent) *** ### utxoSetSize > **utxoSetSize**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:139](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L139) Total UTXO set size at this height *** ### virtualSize > **virtualSize**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:141](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L141) Virtual size in vbytes