@nervosnetwork/ckb-sdk-utils
Version:
Utils module of @nervosnetwork/ckb-sdk-core
44 lines • 2.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getWithdrawEpoch = exports.parseEpoch = exports.serializeEpoch = void 0;
const tslib_1 = require("tslib");
const jsbi_1 = (0, tslib_1.__importDefault)(require("jsbi"));
const validators_js_1 = require("./validators.js");
const serializeEpoch = ({ length, index, number }) => {
(0, validators_js_1.assertToBeHexString)(length);
(0, validators_js_1.assertToBeHexString)(index);
(0, validators_js_1.assertToBeHexString)(number);
const epochSince = jsbi_1.default.add(jsbi_1.default.add(jsbi_1.default.add(jsbi_1.default.leftShift(jsbi_1.default.BigInt(0x20), jsbi_1.default.BigInt(56)), jsbi_1.default.leftShift(jsbi_1.default.BigInt(length), jsbi_1.default.BigInt(40))), jsbi_1.default.leftShift(jsbi_1.default.BigInt(index), jsbi_1.default.BigInt(24))), jsbi_1.default.BigInt(number));
return `0x${epochSince.toString(16)}`;
};
exports.serializeEpoch = serializeEpoch;
const parseEpoch = (epoch) => ({
length: `0x${jsbi_1.default.bitwiseAnd(jsbi_1.default.signedRightShift(jsbi_1.default.BigInt(epoch), jsbi_1.default.BigInt(40)), jsbi_1.default.BigInt(0xffff)).toString(16)}`,
index: `0x${jsbi_1.default.bitwiseAnd(jsbi_1.default.signedRightShift(jsbi_1.default.BigInt(epoch), jsbi_1.default.BigInt(24)), jsbi_1.default.BigInt(0xffff)).toString(16)}`,
number: `0x${jsbi_1.default.bitwiseAnd(jsbi_1.default.BigInt(epoch), jsbi_1.default.BigInt(0xffffff)).toString(16)}`,
});
exports.parseEpoch = parseEpoch;
const getWithdrawEpoch = (depositEpoch, withdrawingEpoch) => {
const EPOCHS_PER_WITHDRAW_CYCLE = 180;
const depositEpochInfo = (0, exports.parseEpoch)(depositEpoch);
const withdrawingEpochInfo = (0, exports.parseEpoch)(withdrawingEpoch);
let depositedEpochCount = +withdrawingEpochInfo.number - +depositEpochInfo.number;
if (+withdrawingEpochInfo.index * +depositEpochInfo.length > +depositEpochInfo.index * +withdrawingEpochInfo.length) {
depositedEpochCount += 1;
}
const minEpockCountToLock = depositedEpochCount <= EPOCHS_PER_WITHDRAW_CYCLE
? EPOCHS_PER_WITHDRAW_CYCLE
: (Math.floor((depositedEpochCount - 1) / EPOCHS_PER_WITHDRAW_CYCLE) + 1) * EPOCHS_PER_WITHDRAW_CYCLE;
return (0, exports.serializeEpoch)({
index: depositEpochInfo.index,
length: depositEpochInfo.length,
number: `0x${(+depositEpochInfo.number + minEpockCountToLock).toString(16)}`,
});
};
exports.getWithdrawEpoch = getWithdrawEpoch;
exports.default = {
serializeEpoch: exports.serializeEpoch,
parseEpoch: exports.parseEpoch,
getWithdrawEpoch: exports.getWithdrawEpoch,
};
//# sourceMappingURL=epochs.js.map