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An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu
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32 lines
1.1 KiB
32 lines
1.1 KiB
/*
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* Copyright Hyperledger Besu Contributors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
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* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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pragma solidity >=0.7.0 <0.9.0;
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contract TestDepth {
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uint256 public x;
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function depth(uint256 y) public {
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// bool result;
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if (y > 0) {
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bytes memory call = abi.encodeWithSignature("depth(uint256)", --y);
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(bool result,) = address(this).delegatecall(call);
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require(result);
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}
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else {
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// Save the remaining gas in storage so that we can access it later
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x = gasleft();
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}
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}
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} |