fix

Helius

2022-07-26 fc4f975c51777dd8d5f18f4ae5401c5f5714dd7f

 src/main/java/cc/mrbird/febs/dapp/chain/ContractChainService.java

@@ -24,4 +24,6 @@
    BigInteger blockNumber();

    BigInteger totalSupply();

    String safeMintNFT(String address);
}