toychain/api/transaction.md

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layout: simple
---
## ToyChain Transaction 


Transactions block is an added record to the block which allow to attached values transfer to the block.

A transaction descript a transfer of value between account protected via [ECC][1]
(we use [secp256k1][5] see code [ECKeys.pm][2]).

You can register your [keypair][4] in the [admin](/admin/) section under [signup / keygen][3].

A transaction has inputs, outputs, and signatures,
in order be valid 

- the total of inputs must be greater than the total of ouputs
- every account on the input side must have enough balance to satisfy the transactions
- all signature attached to the transaction must be authentic and the signed message not tempered

example of transaction in ([yaml][6] format)

<textarea name=tx rows=7></textarea>
{% comment %}
<button id=sign>sign</button>
<button id=validate>validate</button>
{%- endcomment -%}
<button id=submit>submit</button>

<textarea id=json></textarea>

txaddr: <span id=txaddr><i>:txaddr</i></span>

[1]: https://duckduckgo.com?q=Elliptic+Curve+Cryptography
[2]: /lib/ECKeys.pm
[3]: /admin/keygen.html
[4]: /templ/keys.yml
[5]: https://duckduckgo.com?q=secp256k1+!g
[6]: /templ/txexample.yml

<a href="/docs/txpool.html"><button id=txpool>txpool</button></a>

<script src="transaction.js"></script>