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app.py

@@ -131,6 +131,11 @@ class VideoUploadNotification(BaseModel):
     video_name: str
     sha1sum: str
 
+
+class LoginSMSRequest(BaseModel):
+    phone: str
+    code: str
+
 # --- AUTENTICACIÓN (SIMULADA) ---
 def validate_google_token(token: str) -> Optional[Dict[str, Any]]:
     """
@@ -614,6 +619,51 @@ def send_video_upload_sms(notification: VideoUploadNotification):
         logger.error(f"[VIDEO SMS] Error inesperat enviant SMS al validor: {e}")
         raise HTTPException(status_code=500, detail="Error inesperat enviant SMS al validor")
 
+
+@app.post("/api/notifications/login-sms")
+def send_login_sms(req: LoginSMSRequest):
+    """Envia un SMS de verificació de mòbil per al login des de demo.
+
+    Utilitza el webhook de Zapier (ZAPIER_WEBHOOK_CATCH) definit en aquest space.
+    El missatge no inclou el codi en pantalla; el codi s'envia només per SMS.
+    """
+
+    zapier_url = os.getenv("ZAPIER_WEBHOOK_CATCH")
+    if not zapier_url:
+        logger.error("[LOGIN SMS] ZAPIER_WEBHOOK_CATCH no definit")
+        raise HTTPException(status_code=500, detail="ZAPIER webhook not configured")
+
+    normalized_phone = req.phone.strip().replace(" ", "")
+    if not normalized_phone.startswith("+"):
+        # Assumir prefix per defecte si no ve amb codi de país
+        normalized_phone = "+34" + normalized_phone
+
+    message = "El teu codi secret de validació és: ****"  # No exposem el codi en text o logs
+
+    try:
+        import requests
+
+        payload = {
+            "phone": normalized_phone,
+            "message": message,
+            "code": req.code,
+        }
+        resp = requests.post(zapier_url, json=payload, timeout=10)
+        if not resp.ok:
+            logger.error(
+                f"[LOGIN SMS] Error HTTP enviant SMS de login: {resp.status_code} {resp.text}"
+            )
+            raise HTTPException(status_code=500, detail="Error enviant SMS de login")
+
+        logger.info(f"[LOGIN SMS] SMS de verificació enviat a {normalized_phone}")
+        return {"success": True}
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"[LOGIN SMS] Error inesperat enviant SMS de login: {e}")
+        raise HTTPException(status_code=500, detail="Error inesperat enviant SMS de login")
+
 @app.post("/api/compliance/record-decision")
 def record_decision(decision: ValidatorDecision):
     """Registra decisión de validador"""

polygon/README.txt

@@ -0,0 +1,28 @@
+REMIX DEFAULT WORKSPACE
+
+Remix default workspace is present when:
+i. Remix loads for the very first time 
+ii. A new workspace is created with 'Default' template
+iii. There are no files existing in the File Explorer
+
+This workspace contains 3 directories:
+
+1. 'contracts': Holds three contracts with increasing levels of complexity.
+2. 'scripts': Contains four typescript files to deploy a contract. It is explained below.
+3. 'tests': Contains one Solidity test file for 'Ballot' contract & one JS test file for 'Storage' contract.
+
+SCRIPTS
+
+The 'scripts' folder has four typescript files which help to deploy the 'Storage' contract using 'web3.js' and 'ethers.js' libraries.
+
+For the deployment of any other contract, just update the contract name from 'Storage' to the desired contract and provide constructor arguments accordingly 
+in the file `deploy_with_ethers.ts` or  `deploy_with_web3.ts`
+
+In the 'tests' folder there is a script containing Mocha-Chai unit tests for 'Storage' contract.
+
+To run a script, right click on file name in the file explorer and click 'Run'. Remember, Solidity file must already be compiled.
+Output from script will appear in remix terminal.
+
+Please note, require/import is supported in a limited manner for Remix supported modules.
+For now, modules supported by Remix are ethers, web3, swarmgw, chai, multihashes, remix and hardhat only for hardhat.ethers object/plugin.
+For unsupported modules, an error like this will be thrown: '<module_name> module require is not supported by Remix IDE' will be shown.

polygon/contracts/1_Storage.sol

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity >=0.8.2 <0.9.0;
+
+/**
+ * @title Storage
+ * @dev Store & retrieve value in a variable
+ * @custom:dev-run-script ./scripts/deploy_with_ethers.ts
+ */
+contract Storage {
+
+    uint256 number;
+
+    /**
+     * @dev Store value in variable
+     * @param num value to store
+     */
+    function store(uint256 num) public {
+        number = num;
+    }
+
+    /**
+     * @dev Return value 
+     * @return value of 'number'
+     */
+    function retrieve() public view returns (uint256){
+        return number;
+    }
+}

polygon/contracts/2_Owner.sol

@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity >=0.7.0 <0.9.0;
+
+import "hardhat/console.sol";
+
+/**
+ * @title Owner
+ * @dev Set & change owner
+ */
+contract Owner {
+
+    address private owner;
+
+    // event for EVM logging
+    event OwnerSet(address indexed oldOwner, address indexed newOwner);
+
+    // modifier to check if caller is owner
+    modifier isOwner() {
+        // If the first argument of 'require' evaluates to 'false', execution terminates and all
+        // changes to the state and to Ether balances are reverted.
+        // This used to consume all gas in old EVM versions, but not anymore.
+        // It is often a good idea to use 'require' to check if functions are called correctly.
+        // As a second argument, you can also provide an explanation about what went wrong.
+        require(msg.sender == owner, "Caller is not owner");
+        _;
+    }
+
+    /**
+     * @dev Set contract deployer as owner
+     */
+    constructor() {
+        console.log("Owner contract deployed by:", msg.sender);
+        owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor
+        emit OwnerSet(address(0), owner);
+    }
+
+    /**
+     * @dev Change owner
+     * @param newOwner address of new owner
+     */
+    function changeOwner(address newOwner) public isOwner {
+        require(newOwner != address(0), "New owner should not be the zero address");
+        emit OwnerSet(owner, newOwner);
+        owner = newOwner;
+    }
+
+    /**
+     * @dev Return owner address 
+     * @return address of owner
+     */
+    function getOwner() external view returns (address) {
+        return owner;
+    }
+} 

polygon/contracts/3_Ballot.sol

@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity >=0.7.0 <0.9.0;
+
+/** 
+ * @title Ballot
+ * @dev Implements voting process along with vote delegation
+ */
+contract Ballot {
+    // This declares a new complex type which will
+    // be used for variables later.
+    // It will represent a single voter.
+    struct Voter {
+        uint weight; // weight is accumulated by delegation
+        bool voted;  // if true, that person already voted
+        address delegate; // person delegated to
+        uint vote;   // index of the voted proposal
+    }
+
+    // This is a type for a single proposal.
+    struct Proposal {
+        // If you can limit the length to a certain number of bytes, 
+        // always use one of bytes1 to bytes32 because they are much cheaper
+        bytes32 name;   // short name (up to 32 bytes)
+        uint voteCount; // number of accumulated votes
+    }
+
+    address public chairperson;
+
+    // This declares a state variable that
+    // stores a 'Voter' struct for each possible address.
+    mapping(address => Voter) public voters;
+
+    // A dynamically-sized array of 'Proposal' structs.
+    Proposal[] public proposals;
+
+    /** 
+     * @dev Create a new ballot to choose one of 'proposalNames'.
+     * @param proposalNames names of proposals
+     */
+    constructor(bytes32[] memory proposalNames) {
+        chairperson = msg.sender;
+        voters[chairperson].weight = 1;
+
+        // For each of the provided proposal names,
+        // create a new proposal object and add it
+        // to the end of the array.
+        for (uint i = 0; i < proposalNames.length; i++) {
+            // 'Proposal({...})' creates a temporary
+            // Proposal object and 'proposals.push(...)'
+            // appends it to the end of 'proposals'.
+            proposals.push(Proposal({
+                name: proposalNames[i],
+                voteCount: 0
+            }));
+        }
+    }
+
+     /** 
+     * @dev Give 'voter' the right to vote on this ballot. May only be called by 'chairperson'.
+     * @param voter address of voter
+     */
+    function giveRightToVote(address voter) external {
+        // If the first argument of `require` evaluates
+        // to 'false', execution terminates and all
+        // changes to the state and to Ether balances
+        // are reverted.
+        // This used to consume all gas in old EVM versions, but
+        // not anymore.
+        // It is often a good idea to use 'require' to check if
+        // functions are called correctly.
+        // As a second argument, you can also provide an
+        // explanation about what went wrong.
+        require(
+            msg.sender == chairperson,
+            "Only chairperson can give right to vote."
+        );
+        require(
+            !voters[voter].voted,
+            "The voter already voted."
+        );
+        require(voters[voter].weight == 0, "Voter already has the right to vote.");
+        voters[voter].weight = 1;
+    }
+
+    /**
+     * @dev Delegate your vote to the voter 'to'.
+     * @param to address to which vote is delegated
+     */
+    function delegate(address to) external {
+        // assigns reference
+        Voter storage sender = voters[msg.sender];
+        require(sender.weight != 0, "You have no right to vote");
+        require(!sender.voted, "You already voted.");
+
+        require(to != msg.sender, "Self-delegation is disallowed.");
+
+        // Forward the delegation as long as
+        // 'to' also delegated.
+        // In general, such loops are very dangerous,
+        // because if they run too long, they might
+        // need more gas than is available in a block.
+        // In this case, the delegation will not be executed,
+        // but in other situations, such loops might
+        // cause a contract to get "stuck" completely.
+        while (voters[to].delegate != address(0)) {
+            to = voters[to].delegate;
+
+            // We found a loop in the delegation, not allowed.
+            require(to != msg.sender, "Found loop in delegation.");
+        }
+
+        Voter storage delegate_ = voters[to];
+
+        // Voters cannot delegate to accounts that cannot vote.
+        require(delegate_.weight >= 1);
+
+        // Since 'sender' is a reference, this
+        // modifies 'voters[msg.sender]'.
+        sender.voted = true;
+        sender.delegate = to;
+
+        if (delegate_.voted) {
+            // If the delegate already voted,
+            // directly add to the number of votes
+            proposals[delegate_.vote].voteCount += sender.weight;
+        } else {
+            // If the delegate did not vote yet,
+            // add to her weight.
+            delegate_.weight += sender.weight;
+        }
+    }
+
+    /**
+     * @dev Give your vote (including votes delegated to you) to proposal 'proposals[proposal].name'.
+     * @param proposal index of proposal in the proposals array
+     */
+    function vote(uint proposal) external {
+        Voter storage sender = voters[msg.sender];
+        require(sender.weight != 0, "Has no right to vote");
+        require(!sender.voted, "Already voted.");
+        sender.voted = true;
+        sender.vote = proposal;
+
+        // If 'proposal' is out of the range of the array,
+        // this will throw automatically and revert all
+        // changes.
+        proposals[proposal].voteCount += sender.weight;
+    }
+
+    /** 
+     * @dev Computes the winning proposal taking all previous votes into account.
+     * @return winningProposal_ index of winning proposal in the proposals array
+     */
+    function winningProposal() public view
+            returns (uint winningProposal_)
+    {
+        uint winningVoteCount = 0;
+        for (uint p = 0; p < proposals.length; p++) {
+            if (proposals[p].voteCount > winningVoteCount) {
+                winningVoteCount = proposals[p].voteCount;
+                winningProposal_ = p;
+            }
+        }
+    }
+
+    /** 
+     * @dev Calls winningProposal() function to get the index of the winner contained in the proposals array and then
+     * @return winnerName_ the name of the winner
+     */
+    function winnerName() external view
+            returns (bytes32 winnerName_)
+    {
+        winnerName_ = proposals[winningProposal()].name;
+    }
+}

polygon/tests/Ballot_test.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity >=0.7.0 <0.9.0;
+import "remix_tests.sol"; // this import is automatically injected by Remix.
+import "hardhat/console.sol";
+import "../contracts/3_Ballot.sol";
+
+contract BallotTest {
+
+    bytes32[] proposalNames;
+
+    Ballot ballotToTest;
+    function beforeAll () public {
+        proposalNames.push(bytes32("candidate1"));
+        ballotToTest = new Ballot(proposalNames);
+    }
+
+    function checkWinningProposal () public {
+        console.log("Running checkWinningProposal");
+        ballotToTest.vote(0);
+        Assert.equal(ballotToTest.winningProposal(), uint(0), "proposal at index 0 should be the winning proposal");
+        Assert.equal(ballotToTest.winnerName(), bytes32("candidate1"), "candidate1 should be the winner name");
+    }
+
+    function checkWinninProposalWithReturnValue () public view returns (bool) {
+        return ballotToTest.winningProposal() == 0;
+    }
+}