New common function to get the NFT contract address

src_common/ethUtils.c

@@ -237,6 +237,12 @@ void getEthDisplayableAddress(uint8_t *in,
     getEthAddressStringFromBinary(in, out + 2, sha3, chainId);
 }
 
+uint8_t *getNftContractAddress(const ethQueryContractUI_t *const msg) {
+    // In case of no PROVIDE_NFT_INFO, we already have the address from the SET_PLUGIN
+    return ((msg->item1) ? ((uint8_t *) msg->item1->nft.contractAddress)
+                         : msg->pluginSharedRO->txContent->destination);
+}
+
 bool adjustDecimals(char *src,
                     uint32_t srcLength,
                     char *target,

src_common/ethUtils.h

@@ -22,6 +22,8 @@
 
 #include "cx.h"
 #include "chainConfig.h"
+#include "eth_plugin_interface.h"
+
 /**
  * @brief Decode an RLP encoded field - see
  * https://github.com/ethereum/wiki/wiki/RLP
@@ -57,6 +59,8 @@ void getEthDisplayableAddress(uint8_t *in,
                               cx_sha3_t *sha3,
                               uint64_t chainId);
 
+uint8_t *getNftContractAddress(const ethQueryContractUI_t *const msg);
+
 bool adjustDecimals(char *src,
                     uint32_t srcLength,
                     char *target,