@metamask/eth-ledger-bridge-keyring
Version:
A MetaMask compatible keyring, for ledger hardware wallets
23 lines • 953 B
JavaScript
/**
* Selectors that are used only by NFT standards (ERC721/ERC1155), not by ERC20.
* When the tx uses one of these, we enable Ledger NFT clear signing.
* approve(0x095ea7b3) is shared by ERC20 and ERC721 so we do NOT include it here.
*/
export const NFT_ONLY_SELECTORS = new Set([
'0xa22cb465', // setApprovalForAll (ERC721 + ERC1155)
'0x42842e0e', // safeTransferFrom (ERC721)
'0xb88d4fde', // safeTransferFrom(address,address,uint256,bytes) (ERC721)
'0xf242432a', // safeTransferFrom (ERC1155)
'0x2eb2c2d6', // safeBatchTransferFrom (ERC1155)
]);
/**
* Four-byte selectors for the three state-changing functions defined in EIP-20.
*
* @see https://eips.ethereum.org/EIPS/eip-20
*/
export const ERC20_WRITE_SELECTORS = new Set([
'0xa9059cbb', // transfer(address,uint256)
'0x23b872dd', // transferFrom(address,address,uint256)
'0x095ea7b3', // approve(address,uint256)
]);
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