@substrate/api-sidecar
Version:
REST service that makes it easy to interact with blockchain nodes built using Substrate's FRAME framework.
64 lines • 2.27 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PalletsAssetConversionService = void 0;
// Copyright 2017-2025 Parity Technologies (UK) Ltd.
// This file is part of Substrate API Sidecar.
//
// Substrate API Sidecar is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
require("@polkadot/api-augment");
const AbstractService_1 = require("../AbstractService");
class PalletsAssetConversionService extends AbstractService_1.AbstractService {
constructor(api) {
super(api);
}
async fetchNextAvailableId(hash) {
const { api } = this;
const [{ number }, id] = await Promise.all([
api.rpc.chain.getHeader(hash),
api.query.assetConversion.nextPoolAssetId(),
]);
const poolId = id.isSome ? id : '0';
const at = {
hash,
height: number.unwrap().toString(10),
};
return {
at,
poolId,
};
}
async fetchLiquidityPools(hash) {
const { api } = this;
const [{ number }, poolsInfo] = await Promise.all([
api.rpc.chain.getHeader(hash),
api.query.assetConversion.pools.entries(),
]);
const pools = poolsInfo.map(([reserves, info]) => {
return {
reserves: reserves.args[0],
lpToken: info,
};
});
const at = {
hash,
height: number.unwrap().toString(10),
};
return {
at,
pools,
};
}
}
exports.PalletsAssetConversionService = PalletsAssetConversionService;
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