feat: Dogface staking adapter

Signed-off-by: Pramodya De Alwis <[email protected]>

.gitignore

@@ -64,3 +64,5 @@ typings/
 *.tsbuildinfo
 
 src/types
+
+.idea/

src/adapters/dogface.adapter.ts

@@ -0,0 +1,33 @@
+// 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 {BindingScope, extensionFor, injectable} from '@loopback/core';
+import {BigNumber} from 'ethers';
+import {STAKING_ADAPTERS_EXTENSION_POINT} from '../keys';
+import {BaseStakingContractAdapter, StakingAsset} from '../staking';
+import {DogfaceStaking__factory} from '../types';
+
+@injectable(
+  {
+    scope: BindingScope.SINGLETON,
+  },
+  extensionFor(STAKING_ADAPTERS_EXTENSION_POINT),
+)
+export class DogfaceStakingContractAdapter extends BaseStakingContractAdapter {
+  contractAddress = '0x8297c2E7f6485d765d603d3B3F4eb245A156bdB6';
+  supportedAssets: StakingAsset[] = [
+    {
+      asset: 'ERC721:0xBFcB983a6C3E392CbDdECa228854c51fBc29220a',
+    },
+  ];
+
+  async getStakedTokenBalance(owner: string): Promise<BigNumber> {
+    const contract = DogfaceStaking__factory.connect(
+      this.contractAddress,
+      this.provider,
+    );
+    return (await contract.getStakeData(owner)).stakedCounts;
+  }
+}