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petejkim/testing-storage-slot-4.js

Created December 21, 2020 20:39
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USDC v2: Upgrading a $1.4B Token - Testing Storage Slot 4
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testing-storage-slot-4.js
// Storage slot 4 contains "name" (string)
const data = await web3.eth.getStorageAt(contract.address, 4);
const len2 = parseInt(data.slice(-2), 16); // Last 1 byte = length * 2
// Read the text (skip "0x")
const text = Buffer.from(data.slice(2, 2 + len2), "hex").toString("utf8");
expect(text).to.equal(name);
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