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import { createPublicClient, http } from "viem"; 
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import { mainnet } from "viem/chains";
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const client = createPublicClient({
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  chain: mainnet,
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  transport: http("https://polygon-mainnet.g.alchemy.com/v2/YOUR_ALCHEMY_API_KEY"),
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});

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const blockNumber = await client.getBlockNumber();
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console.log("Current block number:", blockNumber);

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const balance = await client.getBalance({ address: "0xab5801a7d398351b8be11c439e05c5b3259aec9b" });
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console.log("Balance (ETH):", Number(balance) / 1e18);

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const block = await client.getBlock({
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  blockNumber: blockNumber, // from previous example
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});
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console.log(block);

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const tx = await client.getTransaction({ hash: "0xYOUR_TX_HASH" });
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console.log(tx);

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const receipt = await client.getTransactionReceipt({
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  hash: "0xYOUR_TX_HASH"
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});
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console.log(receipt);