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Simplify UUPSUpgradeable along the lines of ERC1822 (#3021)

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Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
This commit is contained in:
Hadrien Croubois
2022-01-13 19:46:55 +01:00
committed by GitHub
parent 3458c1e854
commit e192fac276
12 changed files with 191 additions and 88 deletions
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24
test/helpers/erc1967.js Normal file
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const ImplementationLabel = 'eip1967.proxy.implementation';
const AdminLabel = 'eip1967.proxy.admin';
const BeaconLabel = 'eip1967.proxy.beacon';
function labelToSlot (label) {
return '0x' + web3.utils.toBN(web3.utils.keccak256(label)).subn(1).toString(16);
}
function getSlot (address, slot) {
return web3.eth.getStorageAt(
web3.utils.isAddress(address) ? address : address.address,
web3.utils.isHex(slot) ? slot : labelToSlot(slot),
);
}
module.exports = {
ImplementationLabel,
AdminLabel,
BeaconLabel,
ImplementationSlot: labelToSlot(ImplementationLabel),
AdminSlot: labelToSlot(AdminLabel),
BeaconSlot: labelToSlot(BeaconLabel),
getSlot,
};