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Questions - polkadot-js

Polkadot.js api how to get the balance of an account at a particular nonce

I am trying to get the balance of a wallet account using the wallet address and it's nonce. For example I can get the latest balance and the total number of nonce of a wallet address with this. const ...
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Lee

javascript

api

substrate

polkadot

polkadot-js

Votes: 0

Answers: 0

Uncaught (in promise) Error: Objects are not valid as a React chid. If you meant to render a collection of children, use an array instead

Im trying to render the output of the polkadot browser extension but i'm getting this error Uncaught (in promise) Error: Objects are not valid as a React child (found: object with keys {address, meta,...
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nvx

reactjs

polkadot

polkadot-js

Votes: 0

Answers: 2

Latest Answer

Your rendering is wrong, try to replace {a} by {a.login} something like this: const allInjected = this.state.allAccounts?.map((a, i) => ( <li key={i} className="list-group-item">{...
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Soufiane Boutahlil

How to decode extrinsic at json-RPC call&#39;s data(byte code)

I call json-RPC through the terminal and get the data as below. extrinsics is raw byte, but I'm using polkadot-js(SCALE codec?) to decode it. But I don't know which method to call. "block"...
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PaperFrog

decode

json-rpc

substrate

polkadot

polkadot-js

Votes: 0

Answers: 0

Correlate events with extrinsics in a utility.batch call in Polkadot

In Polkadot and Kusama blockchains emitted module events has the phase property so we can correlate them with the extrinsic that triggered that event but I can't do the same when the extrinsic is incl...
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Mario Pino Uceda

blockchain

substrate

polkadot

polkadot-js

Votes: 0

Answers: 0

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