Add Meltdown Staking

Signed-off-by: xenonlabsio <[email protected]>

src/adapters/meltdown-1.adapter.ts

@@ -0,0 +1,43 @@
+import {BindingScope, extensionFor, injectable} from '@loopback/core';
+import {BigNumber} from 'ethers';
+import {STAKING_ADAPTERS_EXTENSION_POINT} from '../keys';
+import {BaseStakingContractAdapter, StakingAsset} from '../staking';
+// Use the full path to import instead of `../types`
+import {MeltdownChildren__factory} from '../types/factories/MeltdownChildren__factory';
+
+@injectable(
+  {
+    scope: BindingScope.SINGLETON, // Mark the adapter as a singleton
+  },
+  // Mark it as an extension to staking contracts service
+  extensionFor(STAKING_ADAPTERS_EXTENSION_POINT),
+)
+export class MeltdownContractAdapter extends BaseStakingContractAdapter {
+  /**
+   * The contract address
+   */
+  contractAddress = '0xC0c5670D9052D0ee524d7C932382805645Ab3479';
+  chainId = 137;
+  /**
+   * Assets that can be staked to this contract
+   */
+  supportedAssets: StakingAsset[] = [
+    {
+      asset: 'ERC721:0xc47d3EF164FB3f3C3D6cfAF259f09f6AA9aa7C03',
+    },
+  ];
+
+  /**
+   * Get staked token ids for the given owner
+   * @param owner - Owner address
+   * @returns
+   */
+  async getStakedTokenIds(owner: string): Promise<BigNumber[]> {
+    const contract = MeltdownChildren__factory.connect(
+      this.contractAddress,
+      this.provider,
+    );
+    const data = await contract.getStakeInfo(owner);
+    return data._tokensStaked;
+  }
+}

src/component.ts

@@ -22,6 +22,8 @@ import {PerionCreditsStakingContractAdapter} from './adapters/erc20-staking.adap
 import {IdolMarketplaceContractAdapter} from './adapters/idol-marketplace.adapter';
 import {LifestoryPlanetStakingAdapter} from './adapters/lifestory-planet-staking.adapter';
 import {Meltdown03ContractAdapter} from './adapters/meltdown.adapter';
+import {MeltdownContractAdapter} from './adapters/meltdown-1.adapter';
+
 import {MtgStakingContractAdapter} from './adapters/mtg.adapter';
 import {RandomStakingContractAdapter} from './adapters/random-staking.adapter';
 import {RDStakingContractAdapter} from './adapters/rd-staking.adapter';
@@ -73,6 +75,7 @@ export class StakingContractsComponent implements Component {
     ReNFTPolygonSylvesterV1StakingContractAdapter,
     ReplicantXStakingContractAdapter,
     CbzGrowStakingContractAdapter,
+    MeltdownContractAdapter,
   ];
   constructor() {}
 }