@ledgerhq/coin-stellar
Version:
Ledger Stellar Coin integration
45 lines • 2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.unpatchHermesTypedArrays = exports.patchHermesTypedArraysIfNeeded = void 0;
const logs_1 = require("@ledgerhq/logs");
/*
* This whole patch thing is messy:
* It's goal is to: Fix error when sending a token transaction in Stellar
* It originally was in ledger-mobile polyfill.ts (https://github.com/LedgerHQ/ledger-live/pull/9687)
* But globally patching is not a good idea, and broke the polkadot sdk
*/
// Save original methods once at app startup
const OriginalTypedArrayMethods = {
subarray: Uint8Array.prototype.subarray,
slice: Uint8Array.prototype.slice,
map: Uint8Array.prototype.map,
filter: Uint8Array.prototype.filter,
};
// Track whether we actually patched
let hermesTypedArrayPatched = false;
function patchHermesTypedArraysIfNeeded() {
if (global.HermesInternal && !hermesTypedArrayPatched) {
try {
(0, logs_1.log)("coin:stellar", "🔵 Patching TypedArray because of Hermes bug");
require("@exodus/patch-broken-hermes-typed-arrays");
hermesTypedArrayPatched = true;
}
catch (e) {
(0, logs_1.log)("coin:stellar", "Failed to patch typed arrays");
}
}
}
exports.patchHermesTypedArraysIfNeeded = patchHermesTypedArraysIfNeeded;
function unpatchHermesTypedArrays() {
if (hermesTypedArrayPatched) {
const TypedArray = Object.getPrototypeOf(Uint8Array);
TypedArray.prototype.subarray = OriginalTypedArrayMethods.subarray;
TypedArray.prototype.slice = OriginalTypedArrayMethods.slice;
TypedArray.prototype.map = OriginalTypedArrayMethods.map;
TypedArray.prototype.filter = OriginalTypedArrayMethods.filter;
(0, logs_1.log)("coin:stellar", "🟢 Reverted TypedArray methods to originals");
hermesTypedArrayPatched = false; // reset
}
}
exports.unpatchHermesTypedArrays = unpatchHermesTypedArrays;
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