Opium Network Adapters + Tests

.solhintignore

@@ -3,3 +3,4 @@ node_modules
 ./contracts/Structs.sol
 ./contracts/adapters/maker/MKRAdapter.sol
 ./contracts/adapters/dydx
+./contracts/adapters/opium

.soliumignore

@@ -9,3 +9,4 @@ node_modules
 ./contracts/adapters/maker/MKRAdapter.sol
 ./contracts/adapters/uniswap/UniswapTokenAdapter.sol
 ./contracts/adapters/dydx
+./contracts/adapters/opium

contracts/adapters/opium/OpiumAssetAdapter.sol

@@ -0,0 +1,52 @@
+// Copyright (C) 2020 Zerion Inc. <https://zerion.io>
+//
+// This program 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 <https://www.gnu.org/licenses/>.
+
+pragma solidity 0.6.4;
+pragma experimental ABIEncoderV2;
+
+import { ProtocolAdapter } from "../ProtocolAdapter.sol";
+import { OpiumAdapter, OpiumTokenMinter } from "./OpiumHelpers.sol";
+
+/**
+ * @title Asset adapter for Opium protocol.
+ * @dev Implementation of ProtocolAdapter interface.
+ * @author Ali Nuraldin <[email protected]>
+ */
+contract OpiumAssetAdapter is ProtocolAdapter, OpiumAdapter {
+
+    /**
+     * @return Type of the adapter.
+     * @dev Implementation of ProtocolAdapter interface function.
+     */
+    function adapterType() external pure override returns (string memory) {
+        return "Asset";
+    }
+
+    /**
+     * @return Type of the token used in adapter.
+     * @dev Implementation of ProtocolAdapter interface function.
+     */
+    function tokenType() external pure override returns (string memory) {
+        return "ERC721o";
+    }
+
+    /**
+     * @return Amount of position tokens held by the given account.
+     * @dev Implementation of ProtocolAdapter interface function.
+     */
+    function getBalance(address token, address account) external view override returns (uint256) {
+        return OpiumTokenMinter(token).balanceOf(account);
+    }
+}

contracts/adapters/opium/OpiumHelpers.sol

@@ -0,0 +1,52 @@
+// Copyright (C) 2020 Zerion Inc. <https://zerion.io>
+//
+// This program 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 <https://www.gnu.org/licenses/>.
+
+pragma solidity 0.6.4;
+pragma experimental ABIEncoderV2;
+
+
+/**
+ * @dev Opium adapter abstract contract.
+ * @dev Base contract for Opium adapters.
+ * @author Ali Nuraldin <[email protected]>
+ */
+abstract contract OpiumAdapter {
+  address internal constant TOKEN_MINTER = 0x9Dd91d61A7aa58537fCdbf16fD21bE25731341B3;
+}
+
+/**
+ * @dev Opium TokenMinter contract interface.
+ * @author Ali Nuraldin <[email protected]>
+ */
+interface OpiumTokenMinter {
+  /**
+   * @dev ERC721 interface compatible function for position token name retrieving
+   * @return Returns name of token
+   */
+  function name() external view returns (string memory);
+
+  /**
+   * @notice ERC721 interface compatible function for position token symbol retrieving
+   * @return Returns symbol of token
+   */
+  function symbol() external view returns (string memory);
+
+  /**
+   *  @dev Gets the number of different tokenIds owned by the address we are checking
+   *  @param _owner The adddress we are checking
+   *  @return balance The unique amount of tokens owned
+   */
+  function balanceOf(address _owner) external view returns (uint256);
+}

contracts/adapters/opium/OpiumTokenAdapter.sol

@@ -0,0 +1,53 @@
+// Copyright (C) 2020 Zerion Inc. <https://zerion.io>
+//
+// This program 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 <https://www.gnu.org/licenses/>.
+
+pragma solidity 0.6.4;
+pragma experimental ABIEncoderV2;
+
+import { TokenAdapter } from "../TokenAdapter.sol";
+import { OpiumAdapter, OpiumTokenMinter } from "./OpiumHelpers.sol";
+
+import { TokenMetadata, Component } from "../../Structs.sol";
+
+/**
+ * @title Token adapter for Opium Position token.
+ * @dev Implementation of TokenAdapter interface.
+ * @author Ali Nuraldin <[email protected]>
+ */
+contract OpiumTokenAdapter is TokenAdapter, OpiumAdapter {
+
+    /**
+     * @return TokenMetadata struct with ERC20-style token info.
+     * @dev Implementation of TokenAdapter interface function.
+     */
+    function getMetadata(address token) external view override returns (TokenMetadata memory) {
+        return TokenMetadata({
+            token: token,
+            name: OpiumTokenMinter(token).name(),
+            symbol: OpiumTokenMinter(token).symbol(),
+            decimals: 0
+        });
+    }
+
+    /**
+     * @return Array of Component structs with underlying tokens rates for the given asset.
+     * @dev Implementation of TokenAdapter interface function.
+     */
+    function getComponents(address token) external view override returns (Component[] memory) {
+        token;
+        Component[] memory underlyingTokens = new Component[](0);
+        return underlyingTokens;
+    }
+}

test/OpiumAdapter.js

@@ -0,0 +1,92 @@
+const AdapterRegistry = artifacts.require('./AdapterRegistry');
+const OpiumAssetAdapter = artifacts.require('./OpiumAssetAdapter');
+const OpiumTokenAdapter = artifacts.require('./OpiumTokenAdapter');
+
+contract('OpiumAdapter', () => {
+  const OPIUM_TOKEN_ADDRESS = '0x9Dd91d61A7aa58537fCdbf16fD21bE25731341B3';
+
+  const testAddress = '0xed56b70ec9ebe6127d4caf97872d759a1b380d61';
+
+  let accounts;
+  let adapterRegistry;
+  let protocolAdapterAddress;
+  let tokenAdapterAddress;
+
+  beforeEach(async () => {
+    accounts = await web3.eth.getAccounts();
+
+    // Opium Asset Adapter
+    await OpiumAssetAdapter.new({ from: accounts[0] })
+      .then((result) => {
+        protocolAdapterAddress = result.address;
+      });
+
+    // Opium token Adapter
+    await OpiumTokenAdapter.new({ from: accounts[0] })
+      .then((result) => {
+        tokenAdapterAddress = result.address;
+      });
+
+    // Adapter registry
+    await AdapterRegistry.new({ from: accounts[0] })
+      .then((result) => {
+        adapterRegistry = result.contract;
+      });
+
+    // Add ProtocolAdapters to AdapterRegistry
+    await adapterRegistry.methods.addProtocols(
+      ['Opium Network'],
+      [[
+        'Mock Protocol Name',
+        'Mock protocol description',
+        'Mock website',
+        'Mock icon',
+        '0',
+      ]],
+      [[
+        protocolAdapterAddress,
+      ]],
+      [[[
+        OPIUM_TOKEN_ADDRESS,
+      ]]],
+    )
+      .send({
+        from: accounts[0],
+        gas: '1000000',
+      });
+
+    // Add TokenAdapters to AdapterRegistry
+    await adapterRegistry.methods.addTokenAdapters(
+      ['ERC721o'],
+      [tokenAdapterAddress],
+    )
+      .send({
+        from: accounts[0],
+        gas: '300000',
+      });
+  });
+
+  it.only('should return correct balances', async () => {
+    await adapterRegistry.methods['getBalances(address)'](testAddress)
+      .call()
+      .then((result) => {
+        // Adapter Metadata
+        assert.equal(result[0].adapterBalances[0].metadata.adapterAddress, protocolAdapterAddress);
+        assert.equal(result[0].adapterBalances[0].metadata.adapterType, 'Asset');
+
+        // Balances Base Metadata
+        assert.equal(
+          result[0].adapterBalances[0].balances[0].base.metadata.token, OPIUM_TOKEN_ADDRESS
+        );
+        assert.equal(result[0].adapterBalances[0].balances[0].base.metadata.name, 'Opium Network Position Token');
+        assert.equal(result[0].adapterBalances[0].balances[0].base.metadata.symbol, 'ONP');
+        assert.equal(result[0].adapterBalances[0].balances[0].base.metadata.decimals, 0);
+
+        // Balances Base Amount
+        assert.exists(result[0].adapterBalances[0].balances[0].base.amount);
+
+        // Balances Underlying length
+        assert.equal(result[0].adapterBalances[0].balances[0].underlying.length, 0);
+      });
+  });
+});

test/PoolTogetherAdapter.js

@@ -108,7 +108,7 @@ contract('PoolTogetherAdapter', () => {
       });
   });
 
-  it.only('should return correct balances', async () => {
+  it('should return correct balances', async () => {
     await adapterRegistry.methods['getBalances(address)'](testAddress)
       .call()
       .then((result) => {