Challenge Pokemon Solidity

README.md

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+<h1> Pokemon Factory </h1>
+
+<ul>
+ <li> Add your Pokemon with a name, id, abilities and types with createPokemon function</li>
+ <li> You can see the Pokemon List with getAll Pokemon function</li>
+ <li> You can see weaknesses of a Pokemon from the List with getWeaknesses Pokemon function</li>
+ <li> You can see the owner of a Pokemon with pokemonToOwner</li>
+</ul>
+
+See the contract in Rinkeby <a href="https://rinkeby.etherscan.io/address/0x1affec6c3f0f51ce735835baa63382f9f5fe0988">0x1AfFec6C3F0f51ce735835BAa63382f9F5Fe0988</a>
+
+Have fun and catch 'em all!
+

contracts/PokemonFactory.sol

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+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity >=0.7.0 <0.9.0;
+
+import "./StringUtils.sol";
+import "./TypesUtils.sol";
+
+contract PokemonFactory {
+
+    struct Pokemon {
+      uint id;
+      string name;
+      Type[] typesList;
+      Ability[] abilities;
+    }
+
+    struct Ability {
+      string name;
+      string description;
+    }
+
+    struct Type {
+      Types id;
+      string name;
+    }
+
+    enum Types{
+      Normal,
+      Fighting,
+      Flying,
+      Poison,
+      Ground,
+      Rock,
+      Bug,
+      Ghost,
+      Steel,
+      Fire,
+      Water,
+      Grass,
+      Electric,
+      Psychic,
+      Ice,
+      Dragon,
+      Fairy,
+      Dark
+    }
+
+    Pokemon[] private pokemons;
+    mapping (address => uint) ownerPokemonCount;
+    mapping (uint => address) public pokemonToOwner;
+
+    event eventNewPokemon(string name, uint id);  
+
+    modifier validateEntries(string memory _name, uint _id, Ability[] memory _abilities, Types[] memory _type) {
+      require(_id != 0, "Id must be greater than 0");
+      require(StringUtils.strlen(_name) > 2, "Name must have more than 2 characters");
+      require(_abilities.length > 0 && _abilities.length < 4, "Must have between 1 to 3 Abilities");
+      require(_type.length  > 0 && _type.length  < 3, "Must have 1 or 2 Types");
+
+      for (uint i = 0; i < _abilities.length; i++) {
+        for (uint j = 1; j <_abilities.length; j++) {
+          if(j != i && keccak256(abi.encodePacked((_abilities[i].name))) == keccak256(abi.encodePacked((_abilities[j].name)))){
+            revert("You have duplicated Abilities");
+          }
+        }
+      }
+
+      for (uint i = 0; i < _type.length; i++) {
+        for (uint j = 1; j <_type.length; j++) {
+          if(j != i && _type[i] == _type[j]){
+            revert("You have duplicated Types");
+          }
+        }
+      }
+      _;
+    }
+
+    /**
+     * @dev create a pokemon
+     *
+     * @param _name Name of the Pokemon
+     * @param _id id of the Pokemon
+     * @param _abilities Abilities of the Pokemon
+     * @param _type Type of Pokemon
+     */
+    function createPokemon (string memory _name, uint _id, Ability[] memory _abilities, Types[] memory _type) public validateEntries(_name, _id, _abilities, _type){
+      //create first pokemon struct in pokemons
+      Pokemon storage pokemon = pokemons.push();
+      pokemon.id = _id;
+      pokemon.name = _name;
+      for (uint i = 0; i <_abilities.length; i++) {
+        pokemon.abilities.push(Ability(_abilities[i].name, _abilities[i].description));
+      }
+      for (uint i = 0; i <_type.length; i++) {
+        pokemon.typesList.push(Type(_type[i], TypesUtils.typeName(uint8(_type[i]))));
+      }
+      pokemonToOwner[_id] = msg.sender;
+      ownerPokemonCount[msg.sender]++;
+      emit eventNewPokemon(_name, _id);
+    }
+
+    /**
+     * @dev get weaknesses of a Pokemon
+     *
+     * @param _pokemonIndex index of pokemons array
+     * @return array of weaknesses
+     */
+    function getWeaknesses (uint _pokemonIndex) public view returns (string[] memory) {
+      Pokemon memory pokemon = pokemons[_pokemonIndex];
+      string[] memory weaknesses = new string[](pokemon.typesList.length);
+      for (uint i = 0; i < pokemon.typesList.length; i++) {
+        weaknesses[i] = TypesUtils.Weakness(uint8(pokemon.typesList[i].id));
+      }
+      return weaknesses;
+    }
+
+    /**
+     * @dev get all Pokemons of pokemons array
+     * @return array pokemons
+     */
+    function getAllPokemons() public view returns (Pokemon[] memory) {
+      return pokemons;
+    }
+}

contracts/StringUtils.sol

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+// SPDX-License-Identifier: MIT
+// Source:
+// https://github.com/ensdomains/ens-contracts/blob/master/contracts/ethregistrar/StringUtils.sol
+pragma solidity >=0.7.0 <0.9.0;
+
+library StringUtils {
+    /**
+     * @dev Returns the length of a given string
+     *
+     * @param s The string to measure the length of
+     * @return The length of the input string
+     */
+    function strlen(string memory s) internal pure returns (uint) {
+        uint len;
+        uint i = 0;
+        uint bytelength = bytes(s).length;
+        for(len = 0; i < bytelength; len++) {
+            bytes1 b = bytes(s)[i];
+            if(b < 0x80) {
+                i += 1;
+            } else if (b < 0xE0) {
+                i += 2;
+            } else if (b < 0xF0) {
+                i += 3;
+            } else if (b < 0xF8) {
+                i += 4;
+            } else if (b < 0xFC) {
+                i += 5;
+            } else {
+                i += 6;
+            }
+        }
+        return len;
+    }
+}

contracts/TypesUtils.sol

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+// SPDX-License-Identifier: MIT
+
+pragma solidity >=0.7.0 <0.9.0;
+
+library TypesUtils {
+
+    /**
+     * @dev Returns Name
+     *
+     * @param id Type of pokemon
+     * @return string Name
+     */
+    function typeName(uint8 id) internal pure returns (string memory){
+        if (id == 0) {
+            return "Normal";
+        } else if (id == 1) {
+            return "Fighting";
+        } else if (id == 2) {
+            return "Flying";
+        } else if (id == 3) {
+            return "Poison";
+        } else if (id == 4) {
+            return "Ground";
+        } else if (id == 5) {
+            return "Rock";
+        } else if (id == 6) {
+            return "Bug";
+        } else if (id == 7) {
+            return "Ghost";
+        } else if (id == 8) {
+            return "Steel";
+        } else if (id == 9) {
+            return "Fire";
+        } else if (id == 10) {
+            return "Water";
+        } else if (id == 11) {
+            return "Grass";
+        } else if (id == 12) {
+            return "Electric";
+        } else if (id == 13) {
+            return "Psychic";
+        } else if (id == 14) {
+            return "Ice";
+        } else if (id == 15) {
+            return "Dragon";
+        } else if (id == 16) {
+            return "Fairy";
+        } else {
+            return "Dark";
+        }
+    }
+
+     /**
+     * @dev Returns string of weaknesses per type
+     *
+     * @param id Type of pokemon
+     * @return string of weaknesses
+     */
+    function Weakness(uint8 id) internal pure returns (string memory) {
+        if (id == 0) {
+            return "Rock, Ghost, Steel";
+        } else if (id == 1) {
+            return "Flying, Poison, Psychic,  Bug, Ghost, Fairy";
+        } else if (id == 2) {
+            return "Rock, Steel, Electric";
+        } else if (id == 3) {
+            return "Poison, Ground, Rock, Ghost, Steel";
+        } else if (id == 4) {
+            return "Flying, Bug, Grass";
+        } else if (id == 5) {
+            return "Fighting, Ground, Steel";
+        } else if (id == 6) {
+            return "Fighting, Flying, Poison, Ghost, Steel, Fire, Fairy";
+        } else if (id == 7) {
+            return "Normal, Dark";
+        } else if (id == 8) {
+            return "Steel, Fire, Water, Electric";
+        } else if (id == 9) {
+            return "Rock, Fire, Water, Dragon";
+        } else if (id == 10) {
+            return "Water, Grass, Dragon";
+        } else if (id == 11) {
+            return "Flying, Poison, Bug, Steel, Fire, Grass, Dragon";
+        } else if (id == 12) {
+            return "Flying, Steel, Electric";
+        } else if (id == 13) {
+            return "Steel, Psychic, Dark";
+        } else if (id == 14) {
+            return "Steel, Fire, Water, Ice";
+        } else if (id == 15) {
+            return "Steel, Fairy";
+        } else if (id == 16) {
+            return "Poison,  Steel,  Fire";
+        } else {
+            return "Fighting,  Dark,  Fairy";
+        }
+    }
+}