From a0a74747c9e486b700cf866250fbb64cbc73bc14 Mon Sep 17 00:00:00 2001
From: wzy <wzy19931122ai@163.com>
Date: Sat, 27 Aug 2022 16:07:35 +0800
Subject: [PATCH] fix
---
src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 33 +++++++++++++++++++++++++++++++++
src/main/java/cc/mrbird/febs/dapp/chain/ContractChainService.java | 2 ++
src/test/java/cc/mrbird/febs/ChainTest.java | 2 +-
src/main/java/cc/mrbird/febs/dapp/chain/TrxService.java | 5 +++++
4 files changed, 41 insertions(+), 1 deletions(-)
diff --git a/src/main/java/cc/mrbird/febs/dapp/chain/ContractChainService.java b/src/main/java/cc/mrbird/febs/dapp/chain/ContractChainService.java
index 7e11eb8..2b60a72 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/ContractChainService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/ContractChainService.java
@@ -28,4 +28,6 @@
BigInteger totalSupplyNFT();
String safeMintNFT(String address);
+
+ String ownerOfNft(Integer index);
}
diff --git a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
index 59e777d..204202e 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -427,4 +427,37 @@
return "";
}
}
+
+ @Override
+ public String ownerOfNft(Integer index) {
+ try {
+ String methodName = "ownerOf";
+ List<Type> inputParameters = new ArrayList<>();
+ List<TypeReference<?>> outputParameters = new ArrayList<>();
+ Uint256 uint256 = new Uint256(index);
+ inputParameters.add(uint256);
+ TypeReference<Address> typeReference = new TypeReference<Address>() {
+ };
+ outputParameters.add(typeReference);
+ Function function = new Function(methodName, inputParameters, outputParameters);
+ String data = FunctionEncoder.encode(function);
+ Transaction transaction = Transaction.createEthCallTransaction(null, contractAddress, data);
+
+ EthCall ethCall;
+ String address = "";
+ try {
+ ethCall = web3j.ethCall(transaction, DefaultBlockParameterName.LATEST).send();
+ List<Type> results = FunctionReturnDecoder.decode(ethCall.getValue(), function.getOutputParameters());
+ address = (String) results.get(0).getValue();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
+ return address;
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ return "";
+ }
}
diff --git a/src/main/java/cc/mrbird/febs/dapp/chain/TrxService.java b/src/main/java/cc/mrbird/febs/dapp/chain/TrxService.java
index 61c6595..d093fba 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/TrxService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/TrxService.java
@@ -123,4 +123,9 @@
public String safeMintNFT(String address) {
return null;
}
+
+ @Override
+ public String ownerOfNft(Integer index) {
+ return null;
+ }
}
diff --git a/src/test/java/cc/mrbird/febs/ChainTest.java b/src/test/java/cc/mrbird/febs/ChainTest.java
index e1c24ed..a854e56 100644
--- a/src/test/java/cc/mrbird/febs/ChainTest.java
+++ b/src/test/java/cc/mrbird/febs/ChainTest.java
@@ -141,6 +141,6 @@
@Test
public void nftTest() {
- ChainService.getInstance(ChainEnum.BSC_NFT_SDC.name()).safeMintNFT("0xdf034cb12a2d42c000a58b582cf61d2b481c42d6");
+ System.out.println(ChainService.getInstance(ChainEnum.BSC_NFT_SDC.name()).ownerOfNft(1));
}
}
--
Gitblit v1.9.1