An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu
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besu/acceptance-tests/tests/contracts/RemoteSimpleStorage.sol

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/*
* Copyright contributors to Hyperledger Besu.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
*/
pragma solidity >=0.7.0 <0.9.0;
import "./SimpleStorage.sol";
// compile with:
// solc RemoteSimpleStorage.sol --bin --abi --optimize --overwrite -o .
// then create web3j wrappers with:
// web3j generate solidity -b ./generated/RemoteSimpleStorage.bin -a ./generated/RemoteSimpleStorage.abi -o ../../../../../ -p org.hyperledger.besu.tests.web3j.generated
contract RemoteSimpleStorage {
SimpleStorage public simpleStorage;
function setRemote(SimpleStorage _simpleStorage) public {
simpleStorage = _simpleStorage;
}
function set(uint value) public {
simpleStorage.set(value);
}
function get() public view returns (uint) {
return simpleStorage.get();
}
}