From ee9e023e33918b817416e7e1bb3f6065736109fa Mon Sep 17 00:00:00 2001
From: Yabir Benchakhtir <git@yabirgb.com>
Date: Wed, 18 Mar 2026 18:03:43 +0100
Subject: [PATCH] Add rule to transfer cost basis

---
 updates/accounting_rules/v10.json | 53 +++++++++++++++++++++++++++++++
 updates/info.json                 |  2 +-
 2 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 updates/accounting_rules/v10.json

diff --git a/updates/accounting_rules/v10.json b/updates/accounting_rules/v10.json
new file mode 100644
index 0000000..553cb5b
--- /dev/null
+++ b/updates/accounting_rules/v10.json
@@ -0,0 +1,53 @@
+{
+  "accounting_rules": [
+    {
+      "event_type": "deposit",
+      "event_subtype": "deposit for wrapped",
+      "counterparty": "weth",
+      "taxable": false,
+      "count_entire_amount_spend": false,
+      "count_cost_basis_pnl": false,
+      "accounting_treatment": "basis_transfer"
+    }, {
+      "event_type": "spend",
+      "event_subtype": "return wrapped",
+      "counterparty": "weth",
+      "taxable": false,
+      "count_entire_amount_spend": false,
+      "count_cost_basis_pnl": false,
+      "accounting_treatment": "basis_transfer"
+    }, {
+      "event_type": "deposit",
+      "event_subtype": "deposit for wrapped",
+      "counterparty": "wxdai",
+      "taxable": false,
+      "count_entire_amount_spend": false,
+      "count_cost_basis_pnl": false,
+      "accounting_treatment": "basis_transfer"
+    }, {
+      "event_type": "spend",
+      "event_subtype": "return wrapped",
+      "counterparty": "wxdai",
+      "taxable": false,
+      "count_entire_amount_spend": false,
+      "count_cost_basis_pnl": false,
+      "accounting_treatment": "basis_transfer"
+    }, {
+      "event_type": "deposit",
+      "event_subtype": "deposit for wrapped",
+      "counterparty": "wmatic",
+      "taxable": false,
+      "count_entire_amount_spend": false,
+      "count_cost_basis_pnl": false,
+      "accounting_treatment": "basis_transfer"
+    }, {
+      "event_type": "spend",
+      "event_subtype": "return wrapped",
+      "counterparty": "wmatic",
+      "taxable": false,
+      "count_entire_amount_spend": false,
+      "count_cost_basis_pnl": false,
+      "accounting_treatment": "basis_transfer"
+    }
+  ]
+}
diff --git a/updates/info.json b/updates/info.json
index 9b51e98..67cc7e0 100644
--- a/updates/info.json
+++ b/updates/info.json
@@ -1 +1 @@
-{"spam_assets":{"latest":6},"rpc_nodes":{"latest":10,"limits":{"9":{"min_version":"1.39.0"},"10":{"min_version":"1.41.0"}}},"contracts":{"latest":0},"global_addressbook":{"latest":0},"accounting_rules":{"latest":9,"limits":{"4":{"min_version":"1.35.0"},"5":{"min_version":"1.38.0"},"8":{"min_version":"1.41.3"},"9":{"min_version":"1.42.0"}}},"location_asset_mappings":{"latest":13,"limits":{"9":{"min_version":"1.38.0"},"10":{"min_version":"1.39.0"},"11":{"min_version":"1.40.0"}}},"counterparty_asset_mappings":{"latest":1},"location_unsupported_assets":{"latest":4,"limits":{"2":{"min_version":"1.38.0"}}}}
+{"spam_assets":{"latest":6},"rpc_nodes":{"latest":10,"limits":{"9":{"min_version":"1.39.0"},"10":{"min_version":"1.41.0"}}},"contracts":{"latest":0},"global_addressbook":{"latest":0},"accounting_rules":{"latest":10,"limits":{"4":{"min_version":"1.35.0"},"5":{"min_version":"1.38.0"},"8":{"min_version":"1.41.3"},"9":{"min_version":"1.42.0"},"10":{"min_version":"1.42.1"}}},"location_asset_mappings":{"latest":13,"limits":{"9":{"min_version":"1.38.0"},"10":{"min_version":"1.39.0"},"11":{"min_version":"1.40.0"}}},"counterparty_asset_mappings":{"latest":1},"location_unsupported_assets":{"latest":4,"limits":{"2":{"min_version":"1.38.0"}}}}