@ledgerhq/live-common
Version:
Common ground for the Ledger Live apps
47 lines • 1.88 kB
JavaScript
import { filter, firstValueFrom } from "rxjs";
import { DmkSignerEth, LegacySignerEth } from "@ledgerhq/live-signer-evm";
import { getEnv } from "@ledgerhq/live-env";
import { Signature } from "ethers";
const isDmkTransport = (transport) => {
return ("dmk" in transport &&
transport.dmk !== undefined &&
"sessionId" in transport &&
transport.sessionId !== undefined);
};
const createLiveSigner = (transport) => {
if (isDmkTransport(transport)) {
return new DmkSignerEth(transport.dmk, transport.sessionId);
}
return new LegacySignerEth(transport);
};
export const createSigner = (transport) => {
const signer = createLiveSigner(transport);
return {
getAddress: signer.getAddress.bind(signer),
signTransaction: async (path, tx) => {
// Configure type of resolutions necessary for the clear signing
const resolutionConfig = {
externalPlugins: true,
erc20: true,
nft: false,
uniswapV3: true,
};
const loadConfig = {
cryptoassetsBaseURL: getEnv("DYNAMIC_CAL_BASE_URL"),
nftExplorerBaseURL: getEnv("NFT_METADATA_SERVICE") + "/v1/ethereum",
};
signer.setLoadConfig(loadConfig);
const observable = signer.clearSignTransaction(path, tx.substring(2), resolutionConfig, true);
const event = observable.pipe(filter((event) => {
return event.type === "signer.evm.signed";
}));
const { value } = await firstValueFrom(event);
return Signature.from({
r: "0x" + value.r,
s: "0x" + value.s,
v: typeof value.v === "number" ? value.v : parseInt(value.v, 16),
}).serialized;
},
};
};
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