fix

Helius

2022-07-14 96798c173cd783bc7e641dabbb02d1e8e91318db

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

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

    BigInteger totalSupply();

    String safeMintNFT(String toAddress);
}