diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/channel.se')
-rw-r--r-- | Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/channel.se | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/channel.se b/Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/channel.se deleted file mode 100644 index 733f4a95b..000000000 --- a/Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/channel.se +++ /dev/null @@ -1,45 +0,0 @@ -if msg.data[0] == 0: - new_id = contract.storage[-1] - # store [from, to, value, maxvalue, timeout] in contract storage - contract.storage[new_id] = msg.sender - contract.storage[new_id + 1] = msg.data[1] - contract.storage[new_id + 2] = 0 - contract.storage[new_id + 3] = msg.value - contract.storage[new_id + 4] = 2^254 - # increment next id - contract.storage[-1] = new_id + 10 - # return id of this channel - return(new_id) - -# Increase payment on channel: [1, id, value, v, r, s] -elif msg.data[0] == 1: - # Ecrecover native extension; will be a different address in testnet and live - ecrecover = 0x46a8d0b21b1336d83b06829f568d7450df36883f - # Message data parameters - id = msg.data[1] % 2^160 - value = msg.data[2] - # Determine sender from signature - h = sha3([id, value], 2) - sender = call(ecrecover, [h, msg.data[3], msg.data[4], msg.data[5]], 4) - # Check sender matches and new value is greater than old - if sender == contract.storage[id]: - if value > contract.storage[id + 2] and value <= contract.storage[id + 3]: - # Update channel, increasing value and setting timeout - contract.storage[id + 2] = value - contract.storage[id + 4] = block.number + 1000 - -# Cash out channel: [2, id] -elif msg.data[0] == 2: - id = msg.data[1] % 2^160 - # Check if timeout has run out - if block.number >= contract.storage[id + 3]: - # Send funds - send(contract.storage[id + 1], contract.storage[id + 2]) - # Send refund - send(contract.storage[id], contract.storage[id + 3] - contract.storage[id + 2]) - # Clear storage - contract.storage[id] = 0 - contract.storage[id + 1] = 0 - contract.storage[id + 2] = 0 - contract.storage[id + 3] = 0 - contract.storage[id + 4] = 0 |