fix: add sender comments

--bug=0

fix: add sender comments
--bug=0
989950e8 · gh lu · bb7972f5 · 989950e8
Commit 989950e8 authored Feb 15, 2023 by gh lu
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sdk/sdk_interface.go sdk/sdk_interface.go +4 -1

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--- a/sdk/sdk_interface.go
+++ b/sdk/sdk_interface.go
@@ -207,7 +207,10 @@ type SDKInterface interface {
 	// Deprecated
 	GetSenderAddr() (string, error)
 	// Sender Get the address of the sender address, if the contract is called by another contract, the result will be
-	// the caller contract's address
+	// the caller contract's address.
+	// Sender will return system contract address when executing the init or upgrade method (If you need to return the
+	// user address, we recommend using Origin method here), because the init and upgrade methods are cross-contract
+	// txs (system contract -> common contract).
 	// @return1: sender address
 	// @return2: 获取错误信息
 	Sender() (string, error)