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Diffstat (limited to 'Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/futarchy.se')
| -rw-r--r-- | Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/futarchy.se | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/futarchy.se b/Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/futarchy.se deleted file mode 100644 index 0d68622ac..000000000 --- a/Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/futarchy.se +++ /dev/null @@ -1,136 +0,0 @@ -# 0: current epoch -# 1: number of proposals -# 2: master currency -# 3: last winning market -# 4: last txid -# 5: long-term ema currency units purchased -# 6: last block when currency units purchased -# 7: ether allocated to last round -# 8: last block when currency units claimed -# 9: ether allocated to current round -# 1000+: [proposal address, market ID, totprice, totvolume] - -init: - # We technically have two levels of epoch here. We have - # one epoch of 1000, to synchronize with the 1000 epoch - # of the market, and then 100 of those epochs make a - # meta-epoch (I'll nominate the term "seculum") over - # which the futarchy protocol will take place - contract.storage[0] = block.number / 1000 - # The master currency of the futarchy. The futarchy will - # assign currency units to whoever the prediction market - # thinks will best increase the currency's value - master_currency = create('subcurrency.se') - contract.storage[2] = master_currency -code: - curepoch = block.number / 1000 - prevepoch = contract.storage[0] - if curepoch > prevepoch: - if (curepoch % 100) > 50: - # Collect price data - # We take an average over 50 subepochs to determine - # the price of each asset, weighting by volume to - # prevent abuse - contract.storage[0] = curepoch - i = 0 - numprop = contract.storage[1] - while i < numprop: - market = contract.storage[1001 + i * 4] - price = call(market, 2) - volume = call(market, 3) - contract.storage[1002 + i * 4] += price - contract.storage[1003 + i * 4] += volume * price - i += 1 - if (curepoch / 100) > (prevepoch / 100): - # If we are entering a new seculum, we determine the - # market with the highest total average price - best = 0 - bestmarket = 0 - besti = 0 - i = 0 - while i < numprop: - curtotprice = contract.storage[1002 + i * 4] - curvolume = contract.storage[1002 + i * 4] - curavgprice = curtotprice / curvolume - if curavgprice > best: - best = curavgprice - besti = i - bestmarket = contract.storage[1003 + i * 4] - i += 1 - # Reset the number of proposals to 0 - contract.storage[1] = 0 - # Reward the highest proposal - call(contract.storage[2], [best, 10^9, 0], 3) - # Record the winning market so we can later appropriately - # compensate the participants - contract.storage[2] = bestmarket - # The amount of ether allocated to the last round - contract.storage[7] = contract.storage[9] - # The amount of ether allocated to the next round - contract.storage[9] = contract.balance / 2 - # Make a proposal [0, address] - if msg.data[0] == 0 and curepoch % 100 < 50: - pid = contract.storage[1] - market = create('market.se') - c1 = create('subcurrency.se') - c2 = create('subcurrency.se') - call(market, [c1, c2], 2) - contract.storage[1000 + pid * 4] = msg.data[1] - contract.storage[1001 + pid * 4] = market - contract.storage[1] += 1 - # Claim ether [1, address] - # One unit of the first currency in the last round's winning - # market entitles you to a quantity of ether that was decided - # at the start of that epoch - elif msg.data[0] == 1: - first_subcurrency = call(contract.storage[2], 3) - # We ask the first subcurrency contract what the last transaction was. The - # way to make a claim is to send the amount of first currency units that - # you wish to claim with, and then immediately call this contract. For security - # it makes sense to set up a tx which sends both messages in sequence atomically - data = call(first_subcurrency, [], 0, 4) - from = data[0] - to = data[1] - value = data[2] - txid = data[3] - if txid > contract.storage[4] and to == contract.address: - send(to, contract.storage[7] * value / 10^9) - contract.storage[4] = txid - # Claim second currency [2, address] - # One unit of the second currency in the last round's winning - # market entitles you to one unit of the futarchy's master - # currency - elif msg.data[0] == 2: - second_subcurrency = call(contract.storage[2], 3) - data = call(first_subcurrency, [], 0, 4) - from = data[0] - to = data[1] - value = data[2] - txid = data[3] - if txid > contract.storage[4] and to == contract.address: - call(contract.storage[2], [to, value], 2) - contract.storage[4] = txid - # Purchase currency for ether (target releasing 10^9 units per seculum) - # Price starts off 1 eth for 10^9 units but increases hyperbolically to - # limit issuance - elif msg.data[0] == 3: - pre_ema = contract.storage[5] - post_ema = pre_ema + msg.value - pre_reserve = 10^18 / (10^9 + pre_ema / 10^9) - post_reserve = 10^18 / (10^9 + post_ema / 10^9) - call(contract.storage[2], [msg.sender, pre_reserve - post_reserve], 2) - last_sold = contract.storage[6] - contract.storage[5] = pre_ema * (100000 + last_sold - block.number) + msg.value - contract.storage[6] = block.number - # Claim all currencies as the ether miner of the current block - elif msg.data[0] == 2 and msg.sender == block.coinbase and block.number > contract.storage[8]: - i = 0 - numproposals = contract.storage[1] - while i < numproposals: - market = contract.storage[1001 + i * 3] - fc = call(market, 4) - sc = call(market, 5) - call(fc, [msg.sender, 1000], 2) - call(sc, [msg.sender, 1000], 2) - i += 1 - contract.storage[8] = block.number |