mirror of
git://holbrook.no/eth-address-index
synced 2024-10-11 02:07:22 +02:00
56 lines
1.4 KiB
Solidity
56 lines
1.4 KiB
Solidity
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pragma solidity >=0.6.12;
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// SPDX-License-Identifier: GPL-3.0-or-later
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contract AddressDeclarator {
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struct declaratorItem {
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address signer;
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bytes32[] content;
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}
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mapping( address => uint256[] ) declaratorItemsIndex;
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mapping( address => uint256 ) public declaratorCount;
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mapping( address => mapping ( address => declaratorItem ) ) declarationByDeclaratorIndex;
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declaratorItem[] declaratorItems;
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constructor(bytes32[] memory _descriptions) {
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for (uint i; i < _descriptions.length; i++) {
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addDeclaration(msg.sender, _descriptions[i]);
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}
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}
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function addDeclaration(address _subject, bytes32 _proof) public returns ( bool ) {
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declaratorItem storage item;
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item = declarationByDeclaratorIndex[msg.sender][_subject];
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if (item.signer == address(0)) {
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item.signer = msg.sender;
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declaratorItemsIndex[_subject].push(declaratorItems.length);
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declaratorItems.push(item);
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declaratorCount[_subject]++;
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}
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item.content.push(_proof);
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return true;
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}
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function declarator(address _target, uint256 _idx) public view returns ( address ) {
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uint256 idx;
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declaratorItem storage item;
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idx = declaratorItemsIndex[_target][_idx];
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item = declaratorItems[idx];
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return item.signer;
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}
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function declaration(address _declarator, address _target) public view returns ( bytes32[] memory ) {
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declaratorItem storage item;
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item = declarationByDeclaratorIndex[_declarator][_target];
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return item.content;
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}
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}
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