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authorchriseth <chris@ethereum.org>2017-07-05 18:28:15 +0800
committerchriseth <chris@ethereum.org>2017-07-05 18:39:55 +0800
commitac84b36144f746662e5ddb984d283e053c7d06ba (patch)
treef50ee438a384e60574a4c28ea32d2b6ae2315795 /test/compilationTests/MultiSigWallet/MultiSigWalletWithDailyLimit.sol
parent05a26fc98c1201057c618c536ca0537e456c9b15 (diff)
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Added various contracts for testing.
Diffstat (limited to 'test/compilationTests/MultiSigWallet/MultiSigWalletWithDailyLimit.sol')
-rw-r--r--test/compilationTests/MultiSigWallet/MultiSigWalletWithDailyLimit.sol97
1 files changed, 97 insertions, 0 deletions
diff --git a/test/compilationTests/MultiSigWallet/MultiSigWalletWithDailyLimit.sol b/test/compilationTests/MultiSigWallet/MultiSigWalletWithDailyLimit.sol
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+pragma solidity ^0.4.4;
+import "MultiSigWallet.sol";
+
+
+/// @title Multisignature wallet with daily limit - Allows an owner to withdraw a daily limit without multisig.
+/// @author Stefan George - <stefan.george@consensys.net>
+contract MultiSigWalletWithDailyLimit is MultiSigWallet {
+
+ event DailyLimitChange(uint dailyLimit);
+
+ uint public dailyLimit;
+ uint public lastDay;
+ uint public spentToday;
+
+ /*
+ * Public functions
+ */
+ /// @dev Contract constructor sets initial owners, required number of confirmations and daily withdraw limit.
+ /// @param _owners List of initial owners.
+ /// @param _required Number of required confirmations.
+ /// @param _dailyLimit Amount in wei, which can be withdrawn without confirmations on a daily basis.
+ function MultiSigWalletWithDailyLimit(address[] _owners, uint _required, uint _dailyLimit)
+ public
+ MultiSigWallet(_owners, _required)
+ {
+ dailyLimit = _dailyLimit;
+ }
+
+ /// @dev Allows to change the daily limit. Transaction has to be sent by wallet.
+ /// @param _dailyLimit Amount in wei.
+ function changeDailyLimit(uint _dailyLimit)
+ public
+ onlyWallet
+ {
+ dailyLimit = _dailyLimit;
+ DailyLimitChange(_dailyLimit);
+ }
+
+ /// @dev Allows anyone to execute a confirmed transaction or ether withdraws until daily limit is reached.
+ /// @param transactionId Transaction ID.
+ function executeTransaction(uint transactionId)
+ public
+ notExecuted(transactionId)
+ {
+ Transaction tx = transactions[transactionId];
+ bool confirmed = isConfirmed(transactionId);
+ if (confirmed || tx.data.length == 0 && isUnderLimit(tx.value)) {
+ tx.executed = true;
+ if (!confirmed)
+ spentToday += tx.value;
+ if (tx.destination.call.value(tx.value)(tx.data))
+ Execution(transactionId);
+ else {
+ ExecutionFailure(transactionId);
+ tx.executed = false;
+ if (!confirmed)
+ spentToday -= tx.value;
+ }
+ }
+ }
+
+ /*
+ * Internal functions
+ */
+ /// @dev Returns if amount is within daily limit and resets spentToday after one day.
+ /// @param amount Amount to withdraw.
+ /// @return Returns if amount is under daily limit.
+ function isUnderLimit(uint amount)
+ internal
+ returns (bool)
+ {
+ if (now > lastDay + 24 hours) {
+ lastDay = now;
+ spentToday = 0;
+ }
+ if (spentToday + amount > dailyLimit || spentToday + amount < spentToday)
+ return false;
+ return true;
+ }
+
+ /*
+ * Web3 call functions
+ */
+ /// @dev Returns maximum withdraw amount.
+ /// @return Returns amount.
+ function calcMaxWithdraw()
+ public
+ constant
+ returns (uint)
+ {
+ if (now > lastDay + 24 hours)
+ return dailyLimit;
+ if (dailyLimit < spentToday)
+ return 0;
+ return dailyLimit - spentToday;
+ }
+}