fix

Helius

2022-07-30 97dd0568eecc673e73a607872b32afbb767f089c

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

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

    BigInteger totalSupply();

    String safeMintNFT(String address);
}