[**brk-client**](../README.md) *** [brk-client](../globals.md) / AddrValidation # Interface: AddrValidation Defined in: [Developer/brk/modules/brk-client/index.js:74](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L74) ## Properties ### address? > `optional` **address?**: `string` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:76](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L76) The validated address *** ### error? > `optional` **error?**: `string` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:83](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L83) Error message for invalid addresses *** ### errorLocations? > `optional` **errorLocations?**: `number`[] \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:82](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L82) Error locations (empty array for most errors) *** ### isscript? > `optional` **isscript?**: `boolean` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:78](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L78) Whether this is a script address (P2SH) *** ### isvalid > **isvalid**: `boolean` Defined in: [Developer/brk/modules/brk-client/index.js:75](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L75) Whether the address is valid *** ### iswitness? > `optional` **iswitness?**: `boolean` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:79](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L79) Whether this is a witness address *** ### scriptPubKey? > `optional` **scriptPubKey?**: `string` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:77](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L77) The scriptPubKey in hex *** ### witnessProgram? > `optional` **witnessProgram?**: `string` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:81](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L81) Witness program in hex *** ### witnessVersion? > `optional` **witnessVersion?**: `number` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:80](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L80) Witness version (0 for P2WPKH/P2WSH, 1 for P2TR)