mocked implementation of weaver logic

Signed-off-by: Uncle Stretch <uncle.stretch@ghostchain.io>

src/mocks/WeaverMock.sol

@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+import {Weaver} from "../types/Weaver.sol";
+
+contract WeaverMock is Weaver {
+    constructor() Weaver() {}
+
+    function insertTreeNode(bytes32 receiver, uint256 amount) external returns (uint256) {
+        return _insertTreeNode(receiver, amount);
+    }
+
+    function computeArgumentsHash(
+        uint256 index,
+        uint256 amount,
+        bytes32 receiver
+    ) external pure returns (bytes32) {
+        return _computeArgumentsHash(index, amount, receiver);
+    }
+}