@collabland/staking-contracts/dist/adapters/ab.adapter.js

Staking contracts supported by Collab.Land

// Copyright Abridged, Inc. 2022. All Rights Reserved.
// Node module: @collabland/staking-contracts
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
import { __decorate } from "tslib";
import { getEnvVar } from '@collabland/common';
import { BindingScope, extensionFor, injectable } from '@loopback/core';
import { BigNumber } from 'ethers';
import { gql, request } from 'graphql-request';
import { STAKING_ADAPTERS_EXTENSION_POINT } from '../keys.js';
import { BaseStakingContractAdapter } from '../staking.js';
// graphql query
const query = gql `
  query fetchStakedNFTs($id: ID!) {
    staker(id: $id) {
      stakedNfts(first: 1000) {
        id
      }
    }
  }
`;
let AngelBlockStakingContractAdapter = class AngelBlockStakingContractAdapter extends BaseStakingContractAdapter {
    constructor() {
        super(...arguments);
        /**
         * The contract address
         */
        this.contractAddress = '0xa95f94b920b1a49b655019265715f026b064bc86';
        /**
         * Assets that can be staked to this contract
         */
        this.supportedAssets = [
            {
                asset: 'ERC721:0x459ea67815b4720e55ec7dfd93687c9d2924eb79',
            },
        ];
    }
    /**
     * Get staked token ids for the given owner
     * @param owner - Owner address
     * @returns
     */
    async getStakedTokenIds(owner) {
        // subgraph query key
        const apiKey = getEnvVar('ANGEL_BLOCK_SUBGRAPH_API_KEY');
        if (typeof apiKey !== 'string') {
            throw new Error(`API key for AngelBlock subgraph is missing.`);
        }
        // subgraph id
        const subgraphId = 'Gzd5KzH5rceQSy3oo4y3bYcGMc9jwwnrhFuZ27JDhh7z';
        // fetching owner staked nfts
        const response = await request(`https://gateway.thegraph.com/api/${encodeURIComponent(apiKey)}/subgraphs/id/${subgraphId}`, query, { id: owner });
        // return array of BigNumbers
        return response.staker
            ? response.staker.stakedNfts.map(nft => BigNumber.from(nft.id))
            : [];
    }
};
AngelBlockStakingContractAdapter = __decorate([
    injectable({
        scope: BindingScope.SINGLETON, // Mark the adapter as a singleton
    }, 
    // Mark it as an extension to staking contracts service
    extensionFor(STAKING_ADAPTERS_EXTENSION_POINT))
], AngelBlockStakingContractAdapter);
export { AngelBlockStakingContractAdapter };
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