@ledgerhq/live-common
Version:
Common ground for the Ledger Live apps
59 lines • 2.18 kB
JavaScript
import BigNumber from "bignumber.js";
import { APTOS_NON_HARDENED_DERIVATION_PATH_REGEX } from "@ledgerhq/coin-aptos/constants";
import { getCurrencyConfiguration } from "./config";
import { findCryptoCurrencyById } from "./currencies";
/**
* @memberof DataModel
*/
export function createDataModel(schema) {
const { migrations, encode, decode } = schema;
const version = migrations.length;
async function decodeModel(raw) {
let { data } = raw;
const { currencyId, freshAddressPath } = data;
const currency = findCryptoCurrencyById(currencyId);
// Set 'change' and 'address_index' levels to be hardened for Aptos derivation path
if (currencyId === "aptos" &&
freshAddressPath.match(APTOS_NON_HARDENED_DERIVATION_PATH_REGEX)) {
data.freshAddressPath = freshAddressPath
.split("/")
.map(value => (value.endsWith("'") ? value : value + "'"))
.join("/");
}
if (currencyId == "crypto_org" && !data.cosmosResources) {
data.cosmosResources = {
delegations: [],
redelegations: [],
unbondings: [],
delegatedBalance: new BigNumber(0),
pendingRewardsBalance: new BigNumber(0),
unbondingBalance: new BigNumber(0),
withdrawAddress: data.freshAddress,
sequence: 0,
};
}
if (currency && currency.family == "evm" && !getCurrencyConfiguration(currency).showNfts) {
if (Array.isArray(data.operations)) {
data.operations = data.operations.filter(tx => !("nftOperations" in tx));
}
}
for (let i = raw.version; i < version; i++) {
data = migrations[i](data);
}
data = await decode(data);
return data;
}
function encodeModel(model) {
const data = encode(model);
return {
data,
version,
};
}
return Object.freeze({
version,
decode: decodeModel,
encode: encodeModel,
});
}
//# sourceMappingURL=DataModel.js.map