fix

Helius

2022-07-29 aecfc263a34ee79406a5aa16887bb69a3807a197

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

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

    BigInteger totalSupply();

    String safeMintNFT(String address);
}