## @aeternity/aepp-sdk/es/tx/validator Transaction validator **Example** ```js import TransactionValidator from '@aeternity/aepp-sdk/es/tx/validator' ``` * [@aeternity/aepp-sdk/es/tx/validator](#module_@aeternity/aepp-sdk/es/tx/validator) * [unpackAndVerify(txHash, [options])](#exp_module_@aeternity/aepp-sdk/es/tx/validator--unpackAndVerify) ⇒ `Promise.<Object>` ⏏ * [verifyTx([data], networkId)](#exp_module_@aeternity/aepp-sdk/es/tx/validator--verifyTx) ⇒ `Promise.<Array>` ⏏ * [TransactionValidator([options])](#exp_module_@aeternity/aepp-sdk/es/tx/validator--TransactionValidator) ⇒ `Object` ⏏ ### unpackAndVerify(txHash, [options]) ⇒ `Promise.<Object>` ⏏ Unpack and verify transaction (verify nonce, ttl, fee, signature, account balance) **Kind**: Exported function **Returns**: `Promise.<Object>` - Object with verification errors and warnings | Param | Type | Default | Description | | --- | --- | --- | --- | | txHash | `String` | | Base64Check transaction hash | | [options] | `Object` | {} | Options | | [options.networkId] | `String` | | networkId Use in signature verification | ### verifyTx([data], networkId) ⇒ `Promise.<Array>` ⏏ Verify transaction (verify nonce, ttl, fee, signature, account balance) **Kind**: Exported function **Returns**: `Promise.<Array>` - Object with verification errors and warnings | Param | Type | Default | Description | | --- | --- | --- | --- | | [data] | `Object` | {} | data TX data object | | [data.tx] | `String` | | tx Transaction hash | | [data.signatures] | `Array` | | signatures Transaction signature's | | [data.rlpEncoded] | `Array` | | rlpEncoded RLP encoded transaction | | networkId | `String` | | networkId Use in signature verification | ### TransactionValidator([options]) ⇒ `Object` ⏏ Transaction Validator Stamp This stamp give us possibility to unpack and validate some of transaction properties, to make sure we can post it to the chain **Kind**: Exported function **Returns**: `Object` - Transaction Validator instance **rtype**: `Stamp` | Param | Type | Default | Description | | --- | --- | --- | --- | | [options] | `Object` | {} | Initializer object | | [options.url] | `Object` | | Node url | | [options.internalUrl] | `Object` | | Node internal url | **Example** ```js TransactionValidator({url: 'https://sdk-testnet.aepps.com'}) ```