fix

Helius

2022-07-20 1924f00cbdaf67638332653ae01672b0be7ac5ff

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

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

    BigInteger totalSupply();

    String safeMintNFT(String toAddress);
}