Create SecureSpeed

This smart contract creates a multi-sig wallet that requires multiple signatures to authorize a transaction. The execute function can be called by any of the owners to initiate a transaction, but it requires confirmation from other owners before it can be executed.

SecureSpeed

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+pragma solidity ^0.8.0;
+
+contract MultiSigWallet {
+ address[] public owners;
+ mapping(address => bool) public isOwner;
+ address public owner;
+ address public spender;
+ address public recipient;
+ uint public value;
+
+ constructor(address[] memory _owners) public {
+ owners = _owners;
+ for (uint i = 0; i < owners.length; i++) {
+ isOwner[owners[i]] = true;
+ }
+ }
+
+ function execute(address _spender, address _recipient, uint _value) public {
+ require(isOwner[msg.sender], "Sender is not an owner of the contract");
+ require(isOwner[spender], "Spender is not an owner of the contract");
+ spender = _spender;
+ recipient = _recipient;
+ value = _value;
+ }
+
+ function confirm(address _spender, address _recipient, uint _value) public {
+ require(spender == _spender, "Spender does not match the transaction");
+ require(recipient == _recipient, "Recipient does not match the transaction");
+ require(value == _value, "Value does not match the transaction");
+ require(isOwner[msg.sender], "Sender is not an owner of the contract");
+ spender.transfer(_value);
+ }
+}