I want to get bool paused; in my react application without transaction. It is implemented in myetherwallet.com contract gui. How can i do this? If possible i want to do this with mappings too.
You need to use call method, it is evaluated directly on local node without sending transaction to the blockchain.
Here's a simple example for web3js 1.0.0.beta*:
function handler ...READ MORE
You also can use Frewallet
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If your getOrderStatus() function is like this:
function getOrderStatus(_orderId, callback) ...READ MORE
recipes is a dynamic storage array. You need ...READ MORE
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In a private ethereum network you have ...READ MORE
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