cheque-redeem-action.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<ts:card type="action" xmlns:ts="http://tokenscript.org/2020/06/tokenscript"
         xmlns:ethereum="urn:ethereum:constantinople"
         xmlns:xml="http://www.w3.org/XML/1998/namespace"
         xmlns:asnx="urn:ietf:params:xml:ns:asnx"
         xsi:schemaLocation="http://tokenscript.org/2020/06/tokenscript http://tokenscript.org/2020/06/tokenscript.xsd"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns:asnx="urn:ietf:params:xml:ns:asnx"
         xmlns:xhtml="http://www.w3.org/1999/xhtml"
>
    <import name="Cheque" schemaLocation="../data-model/Cheque.asd"/>
    <ts:input>
        <ts:token>
            <ts:contract name="weth" interface="erc20">
                <ts:address network="1">
                    0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
                </ts:address>
            </ts:contract>
        </ts:token>
    </ts:input>
    <!-- consider if we should include output here. I'm inclined to not to for now -->
    <ts:view>
        <xhtml:script>
            /* JavaScript object is injected by TokenScript Engine
            which has a class called "redeem-by-email" that has
            "amount" and "riddle" can be initalised / assigned in the
            view and returned) */

            // stuff like this:
            var checque = new Cheque();
            cheque.setAmount(1);
            cheque.setRiddle(getRiddle();
            cheque.assertFinalised(); // should be true

            // not like this:
            var ASN = new ASN_block();
            block.setType() = ASN.Sequence;
            block.append(1); // amount
            block.append(getRiddle())
            prepareToBeSigned(block);

        </xhtml:script>
    </ts:view>
    <ts:sign module="cheque" type="redeem-by-email"/>
</ts:card>