# Parse Transaction CBOR

You can parse the transaction CBOR back to the `TxBuilderBody` type for multiple purposes:

* Unit testing the transaction Cbor 
* Rebuilding the augmented transaction

To parse a transaction Cbor:

```rust
let utxo_1: UTxO = serde_json::from_str("{\"input\":{\"outputIndex\":0,\"txHash\":\"1a6157c0c9e170d716aee64b25384cad275770e2ef86df31eeebda4892980723\"},\"output\":{\"address\":\"addr_test1qrs3jlcsapdufgagzt35ug3nncwl26mlkcux49gs673sflmrjfm6y2eu7del3pprckzt4jaal9s7w9gq5kguqs5pf6fq542mmq\",\"amount\":[{\"quantity\":\"10000000000\",\"unit\":\"lovelace\"}],\"dataHash\":null,\"plutusData\":null,\"scriptHash\":null,\"scriptRef\":null}}").unwrap();
let utxo_2: UTxO = serde_json::from_str("{\"input\":{\"outputIndex\":5,\"txHash\":\"158a0bff150e9c6f68a14fdb1623c363f54e36cb22efc800911bffafa4e53442\"},\"output\":{\"address\":\"addr_test1qra9zdhfa8kteyr3mfe7adkf5nlh8jl5xcg9e7pcp5w9yhyf5tek6vpnha97yd5yw9pezm3wyd77fyrfs3ynftyg7njs5cfz2x\",\"amount\":[{\"quantity\":\"5000000\",\"unit\":\"lovelace\"}],\"dataHash\":null,\"plutusData\":null,\"scriptHash\":null,\"scriptRef\":null}}").unwrap();

let utxos = vec![utxo_1, utxo_2];
let tx_hex = "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";

let mut tx_parser = TxParser::new();
let tx_parser = tx_parser.parse(tx_hex, &utxos).unwrap(); // custom error handling
```

There are 2 necessary fields to pass in:

1. `tx_hex` - The transaction CBOR to be parsed
2. `utxos` - The input information, for all inputs, reference inputs, and collateral. You can either construct it manually or obtain it from [providers](/services/providers.md).


---

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