# XRP

## EVM ChainX to XRP bridging guide

* `function requestSwap(address tokenAddress, string calldata toChain, bytes calldata toAddr, uint amount, bytes calldata data) external payable`
  * oXRP tokenAddress : [link](/bridging-assets/ripple-vault.md)
  * toChain : XRP
  * toAddress : xrp hex address format
  * minAmount for Bridging : 20.03 oXRP 
  * data : XRP destination tag ( hex format )
    * ex) 1234 -> 0x4d2
* chainFee : [link](/policies/bridge-fee/history/ripple-layer-1.md)

### toAddress format

```
// "ripple-address-codec": "4.2.3"
const addressCodec = require('ripple-address-codec');

// xrpAddress
const xrpAddress = "r~";

// hexAddress for toAddress
const hexAddress = '0x' + Buffer.from(addressCodec.codec.codec.decode(xrpAddress)).toString('hex');

```

* example
  * XRP address : `rLcxBUrZESqHnruY4fX7GQthRjDCDSAWia`
  * Hex address : `0x00d73701c4123236e2d61d372052eadcc3ede48b06e617b033`


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