[**brk-client**](../README.md)

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[brk-client](../globals.md) / TxIn

# Interface: TxIn

Defined in: [Developer/brk/modules/brk-client/index.js:1042](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1042)

## Properties

### innerRedeemscriptAsm

> **innerRedeemscriptAsm**: `string`

Defined in: [Developer/brk/modules/brk-client/index.js:1051](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1051)

Inner redeemscript in assembly (for P2SH-wrapped SegWit: scriptsig + witness both present)

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### innerWitnessscriptAsm

> **innerWitnessscriptAsm**: `string`

Defined in: [Developer/brk/modules/brk-client/index.js:1052](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1052)

Inner witnessscript in assembly (for P2WSH: last witness item decoded as script)

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### isCoinbase

> **isCoinbase**: `boolean`

Defined in: [Developer/brk/modules/brk-client/index.js:1049](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1049)

Whether this input is a coinbase (block reward) input

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### prevout?

> `optional` **prevout?**: [`TxOut`](TxOut.md) \| `null`

Defined in: [Developer/brk/modules/brk-client/index.js:1045](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1045)

Information about the previous output being spent

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### scriptsig

> **scriptsig**: `string`

Defined in: [Developer/brk/modules/brk-client/index.js:1046](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1046)

Signature script (hex, for non-SegWit inputs)

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### scriptsigAsm

> **scriptsigAsm**: `string`

Defined in: [Developer/brk/modules/brk-client/index.js:1047](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1047)

Signature script in assembly format

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### sequence

> **sequence**: `number`

Defined in: [Developer/brk/modules/brk-client/index.js:1050](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1050)

Input sequence number

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### txid

> **txid**: `string`

Defined in: [Developer/brk/modules/brk-client/index.js:1043](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1043)

Transaction ID of the output being spent

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### vout

> **vout**: `number`

Defined in: [Developer/brk/modules/brk-client/index.js:1044](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1044)

Output index being spent (u16: coinbase is 65535, mempool.space uses u32: 4294967295)

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### witness

> **witness**: `string`[]

Defined in: [Developer/brk/modules/brk-client/index.js:1048](https://github.com/bitcoinresearchkit/brk/blob/acd3d6f42524ece8c85e7b09cc9fdb13b5687b9f/modules/brk-client/index.js#L1048)

Witness data (hex-encoded stack items, present for SegWit inputs)