Swap

To transfer an asset across blockchains call swap() method with the following payload:

{
    string calldata _dstChainId,
    uint256 _srcPoolId,
    uint256 _dstPoolId,
    address payable _refundAddress,
    uint256 _amountLD,
    uint256 _minAmountLD,
    string calldata _to,
    bytes calldata _payload
}