Add open source license to contracts

Change-Id: I081d6857fbbe046d19fc7dc80497b08a259c0cd6
2022-01-23 14:40:27 +00:00 · 2022-01-23 14:40:27 +00:00 · 423ab93192
parent 1e1684f4cc
commit 423ab93192
3 changed files with 6 additions and 0 deletions
--- a/contracts/contracts/CrossChainSwapV2.sol
+++ b/contracts/contracts/CrossChainSwapV2.sol
@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache 2
+
 pragma solidity ^0.7.6;
 pragma abicoder v2;

--- a/contracts/contracts/CrossChainSwapV3.sol
+++ b/contracts/contracts/CrossChainSwapV3.sol
@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache 2
+
 pragma solidity ^0.7.6;
 pragma abicoder v2;

--- a/contracts/contracts/SwapHelper.sol
+++ b/contracts/contracts/SwapHelper.sol
@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache 2
+
 pragma solidity ^0.7.6;
 pragma abicoder v2;