1 files changed, 50 insertions, 0 deletions
diff --git a/test/compilationTests/zeppelin/payment/PullPayment.sol b/test/compilationTests/zeppelin/payment/PullPayment.sol
new file mode 100644
index 00000000..ba710b53
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+++ b/test/compilationTests/zeppelin/payment/PullPayment.sol
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+pragma solidity ^0.4.11;
+
+
+import '../math/SafeMath.sol';
+
+
+/**
+ * @title PullPayment
+ * @dev Base contract supporting async send for pull payments. Inherit from this
+ * contract and use asyncSend instead of send.
+ */
+contract PullPayment {
+  using SafeMath for uint256;
+
+  mapping(address => uint256) public payments;
+  uint256 public totalPayments;
+
+  /**
+  * @dev Called by the payer to store the sent amount as credit to be pulled.
+  * @param dest The destination address of the funds.
+  * @param amount The amount to transfer.
+  */
+  function asyncSend(address dest, uint256 amount) internal {
+    payments[dest] = payments[dest].add(amount);
+    totalPayments = totalPayments.add(amount);
+  }
+
+  /**
+  * @dev withdraw accumulated balance, called by payee.
+  */
+  function withdrawPayments() {
+    address payee = msg.sender;
+    uint256 payment = payments[payee];
+
+    if (payment == 0) {
+      throw;
+    }
+
+    if (this.balance < payment) {
+      throw;
+    }
+
+    totalPayments = totalPayments.sub(payment);
+    payments[payee] = 0;
+
+    if (!payee.send(payment)) {
+      throw;
+    }
+  }
+}