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Fix balance checking and email address

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Daniel A. Nagy 2017-09-08 07:50:10 +02:00 committed by GitHub
parent f2c5af1826
commit ed94916cf1
1 changed files with 4 additions and 3 deletions
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7
swarm/services/chequebook/contract/chequebook.sol
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@ -3,7 +3,7 @@ pragma solidity ^0.4.3;
import "mortal.sol" as mortal;
/// @title Chequebook for Ethereum micropayments
/// @author Daniel A. Nagy <daniel@ethdev.com>
/// @author Daniel A. Nagy <daniel@ethereum.org>
contract chequebook is mortal {
// Cumulative paid amount in wei to each beneficiary
mapping (address => uint256) public sent;
@ -37,10 +37,11 @@ contract chequebook is mortal {
if(owner != ecrecover(hash, sig_v, sig_r, sig_s)) return;
// Attempt sending the difference between the cumulative amount on the cheque
// and the cumulative amount on the last cashed cheque to beneficiary.
if (amount - sent[beneficiary] >= this.balance) {
diff = amount - sent[beneficiary];
if (diff <= this.balance) {
// update the cumulative amount before sending
sent[beneficiary] = amount;
if (!beneficiary.send(amount - sent[beneficiary])) {
if (!beneficiary.send(diff)) {
// Upon failure to execute send, revert everything
throw;
}