@ledgerhq/hw-app-celo
Version:
Ledger Hardware Wallet Celo Application API
28 lines • 1.34 kB
JavaScript
import Eth from "@ledgerhq/hw-app-eth";
import { tokenInfoByAddressAndChainId } from "@celo/wallet-ledger/lib/tokens";
import { rlpEncodedTx } from "@celo/wallet-base";
/**
* Heavily inspiried by celo-web-wallet
* https://github.com/celo-tools/celo-web-wallet/blob/master/src/features/ledger/CeloLedgerApp.ts
*/
export default class Celo extends Eth {
async signTransaction(path, rawTxHex, resolution) {
return super.signTransaction(path, rawTxHex, resolution);
}
// celo-spender-app below version 1.2.3 used a different private key to validate erc20 token info.
// this legacy version of the app also only supported celo type 0 transactions.
// if you are reading this after celo moved to op based L2 those celo type 0 transactions will no longer work
// so you can safely remove all the legacy paths.
async verifyTokenInfo(to, chainId) {
const tokenInfo = tokenInfoByAddressAndChainId(to, chainId);
if (tokenInfo) {
// celo-spender-app below version 1.2.3 expected unprefixed hex strings only
const dataString = `0x${tokenInfo.data.toString("hex")}`;
await this.provideERC20TokenInformation(dataString);
}
}
async rlpEncodedTxForLedger(txParams) {
return rlpEncodedTx(txParams);
}
}
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