[**brk-client**](../README.md) *** [brk-client](../globals.md) / TxIn # Interface: TxIn Defined in: [Developer/brk/modules/brk-client/index.js:1256](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1256) ## Properties ### innerRedeemscriptAsm > **innerRedeemscriptAsm**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1265](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1265) Inner redeemscript in assembly (for P2SH-wrapped SegWit: scriptsig + witness both present) *** ### innerWitnessscriptAsm > **innerWitnessscriptAsm**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1266](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1266) Inner witnessscript in assembly (for P2WSH: last witness item decoded as script) *** ### isCoinbase > **isCoinbase**: `boolean` Defined in: [Developer/brk/modules/brk-client/index.js:1263](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1263) Whether this input is a coinbase (block reward) input *** ### prevout? > `optional` **prevout?**: [`TxOut`](TxOut.md) \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:1259](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1259) Information about the previous output being spent *** ### scriptsig > **scriptsig**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1260](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1260) Signature script (hex, for non-SegWit inputs) *** ### scriptsigAsm > **scriptsigAsm**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1261](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1261) Signature script in assembly format *** ### sequence > **sequence**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:1264](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1264) Input sequence number *** ### txid > **txid**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1257](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1257) Transaction ID of the output being spent *** ### vout > **vout**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:1258](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1258) Output index being spent (u16: coinbase is 65535, mempool.space uses u32: 4294967295) *** ### witness > **witness**: [`Witness`](../type-aliases/Witness.md) Defined in: [Developer/brk/modules/brk-client/index.js:1262](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L1262) Witness data (stack items, present for SegWit inputs; hex-encoded on the wire)