Feature/crop insurance

.devcontainer/docker-compose.yaml

@@ -7,8 +7,8 @@ services:
       dockerfile: .devcontainer/Dockerfile.anvil
     volumes:
       - anvil-state:/anvil
-    # ports:
-    #   - "7545:7545"
+    ports:
+      - "7545:7545"
   contracts:
     # See https://aka.ms/vscode-remote/containers/non-root for details.
     user: node

contracts/examples/crop/AccountingToken.sol

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: Apache-2.0
+pragma solidity ^0.8.20;
+
+import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+
+/// @dev FireUSD is a stablecoin with 6 decimals and an initial supply of 1 Billion tokens. 
+contract AccountingToken is ERC20 {
+
+    string public constant NAME = "Local Currency (Accounting Token)";
+    string public constant SYMBOL = "LCA";
+    uint8 public constant DECIMALS = 6;
+    uint256 public constant INITIAL_SUPPLY = 10**12 * 10**DECIMALS;
+
+    constructor()
+        ERC20(NAME, SYMBOL)
+    {
+        _mint(
+            _msgSender(),
+            INITIAL_SUPPLY
+        );   
+    }
+
+    function decimals() public pure override returns(uint8) {
+        return DECIMALS;
+    }
+}

contracts/examples/crop/CropPool.sol

@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: Apache-2.0
+pragma solidity ^0.8.20;
+
+import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
+
+import {IAuthorization} from "../../authorization/IAuthorization.sol";
+import {IComponents} from "../../instance/module/IComponents.sol";
+
+import {Amount, AmountLib} from "../../type/Amount.sol";
+import {BasicPool} from "../../pool/BasicPool.sol";
+import {FeeLib} from "../../type/Fee.sol";
+import {NftId} from "../../type/NftId.sol";
+import {SecondsLib} from "../../type/Seconds.sol";
+import {UFixedLib} from "../../type/UFixed.sol";
+
+
+/// @dev CropPool implements the pool for the crop product.
+/// Only the pool owner is allowed to create and manage bundles.
+contract CropPool is
+    BasicPool
+{   
+    constructor(
+        address registry,
+        NftId productNftId,
+        string memory componentName,
+        IAuthorization authorization
+    ) 
+    {
+        address initialOwner = msg.sender;
+        _intialize(
+            registry,
+            productNftId,
+            componentName,
+            IComponents.PoolInfo({
+                maxBalanceAmount: AmountLib.max(),
+                isInterceptingBundleTransfers: false,
+                isProcessingConfirmedClaims: false,
+                isExternallyManaged: false,
+                isVerifyingApplications: false,
+                collateralizationLevel: UFixedLib.one(),
+                retentionLevel: UFixedLib.one()
+            }),
+            authorization,
+            initialOwner);
+    }
+
+    function _intialize(
+        address registry,
+        NftId productNftId,
+        string memory componentName,
+        IComponents.PoolInfo memory poolInfo,
+        IAuthorization authorization,
+        address initialOwner
+    )
+        internal
+        initializer
+    {
+        _initializeBasicPool(
+            registry,
+            productNftId,
+            componentName,
+            poolInfo,
+            authorization,
+            initialOwner);
+    }
+
+    function createBundle(
+        Amount initialAmount
+    )
+        external
+        virtual 
+        restricted()
+        onlyOwner()
+        returns(NftId bundleNftId)
+    {
+        address owner = msg.sender;
+        bundleNftId = _createBundle(
+            owner,
+            FeeLib.zero(),
+            SecondsLib.fromDays(90),
+            "" // filter
+        );
+
+        _stake(bundleNftId, initialAmount);
+    }
+
+    function approveTokenHandler(IERC20Metadata token, Amount amount) external restricted() onlyOwner() { _approveTokenHandler(token, amount); }
+    function setWallet(address newWallet) external restricted() onlyOwner() { _setWallet(newWallet); }
+}

contracts/examples/crop/CropPoolAuthorization.sol

@@ -0,0 +1,37 @@
+
+
+// SPDX-License-Identifier: Apache-2.0
+pragma solidity ^0.8.20;
+
+import {IAccess} from "../../../contracts/authorization/IAccess.sol";
+
+import {BasicPoolAuthorization} from "../../pool/BasicPoolAuthorization.sol";
+import {CropPool} from "./CropPool.sol";
+import {PUBLIC_ROLE} from "../../../contracts/type/RoleId.sol";
+
+contract CropPoolAuthorization
+    is BasicPoolAuthorization
+{
+
+    constructor(string memory poolName)
+        BasicPoolAuthorization(poolName)
+    {}
+
+
+    function _setupTargetAuthorizations()
+        internal
+        virtual override
+    {
+        super._setupTargetAuthorizations();
+        IAccess.FunctionInfo[] storage functions;
+
+        // authorize public role (also protected by onlyOwner)
+        functions = _authorizeForTarget(getMainTargetName(), PUBLIC_ROLE());
+
+        // only owner
+        _authorize(functions, CropPool.createBundle.selector, "createBundle");
+        _authorize(functions, CropPool.approveTokenHandler.selector, "approveTokenHandler");
+        _authorize(functions, CropPool.setWallet.selector, "setWallet");
+    }
+}
+