@siglesiasg/node-red-hyperledger-fabric-gateway/src/nodes/channel/fabric-block-info.html

Hyperledger Fabric 2.x nodes for node-red with latest fabric-gateway library

<script type="text/javascript">
    RED.nodes.registerType('fabric-block-info', {
        category: 'Hyperledger Gateway',
        color: '#E6E0F8',
        paletteLabel: 'get block',
        defaults: {
            name:                   { value: '' },
            gatewaySelector:        { value: '', required: true, type: 'fabric-gateway'  },
            identitySelector:       { value: '', required: true, type: 'fabric-identity' },
            channelSelector:        { value: '', required: true, type: 'fabric-channel'  },
            method:                 { value:"number", required:true},
            blockNumber:            { value: '', required: false, validate:RED.validators.number()  },
            blockHash:              { value: '', required: false  },
            txId:                   { value: '', required: false  },
        },
        inputs: 1,
        outputs: 1,
        icon: 'icon.png',
        align: 'left',
        label: function () {
            return this.name || 'hlf get block';
        },
        oneditprepare: function() {
            $("#node-input-method").on("change", function() {
                
                $(".form-row-blockNumber").hide(); $("#node-input-blockNumber").prop('required', false);
                $(".form-row-hash").hide(); $("#node-input-blockHash").prop('required', false);
                $(".form-row-txid").hide(); $("#node-input-txId").prop('required', false);

                if ($(this).val() === "number") {
                    $(".form-row-blockNumber").show(); $("#node-input-blockNumber").prop('required', true);
                } else if ($(this).val() === "hash") {
                    $(".form-row-hash").show(); $("#node-input-blockHash").prop('required', true);
                } else {
                    $(".form-row-txid").show(); $("#node-input-txId").prop('required', true);   
                }

            }).change();
        },

    });
</script>


<script type="text/html" data-template-name="fabric-block-info">

    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="node-red:common.label.name"></span></label>
        <input type="text" id="node-input-name" data-i18n="[placeholder]node-red:common.label.name">
    </div>

    <div class="form-row">
        <label for="node-input-gatewaySelector"><i class="fa"></i>Gateway</label>
        <input type="select" id="node-input-gatewaySelector" />
    </div>

    <div class="form-row">
        <label for="node-input-identitySelector"><i class="fa"></i>Identity</label>
        <input type="select" id="node-input-identitySelector" />
    </div>

    <div class="form-row">
        <label for="node-input-channelSelector"><i class="fa"></i>Channel</label>
        <input type="select" id="node-input-channelSelector" placeholder="" />
    </div>

    <div class="form-row">
        <label for="node-input-method"><i class="fa"></i>Method</label>
        <select type="text" id="node-input-method" style="width:70%;">
            <option value="number">Number</option>
            <option value="hash">Hash</option>
            <option value="txId">TxId</option>
        </select>
    </div>    

    <div class="form-row form-row-blockNumber hide">
        <label for="node-input-blockNumber"><i class="fa"></i>Block Number</label>
        <input type="text" id="node-input-blockNumber" placeholder="0" />
    </div>    

    <div class="form-row form-row-hash hide">
        <label for="node-input-blockHash"><i class="fa"></i>Block Hash</label>
        <input type="text" id="node-input-blockHash" placeholder="0" />
    </div>    

    <div class="form-row form-row-txid hide">
        <label for="node-input-txId"><i class="fa"></i>TxId</label>
        <input type="text" id="node-input-txId" placeholder="0" />
    </div>    

</script>

<script type="text/html" data-help-name="fabric-block-info">
    <span class="red-ui-text-bidi-aware">
        <h2>Hyperledger Fabric Block Info</h2>
        <p>Query the ledger and return the block that match selected conditions</p>
        <h3 class="red-ui-help-info-header">Details</h3>
        <p>Basic connection config nodes must be provided: <code>Gateway</code>, <code>Identity</code> and <code>Channel</code> </p>
        <p>Select the <code>Method</code> to choose operation from options</p>
        <p> - <code>Number</code> will recover a block by it's number. Must be a number</p>
        <p> - <code>Hash</code> will recover a block by it's hash</p>
        <p> - <code>TxId</code> will recover a block by any of it's transaction id</p>
    </span>
</script>