mintchalk

LMSR Contract

// init case
if msg.data[0]==0:
   // stop conditions
   if contract.storage[0]:
      stop
   if msg.data[3] > 99:
      stop
   if msg.data[3] < 1:
      stop
   
   // declare obvious variables
   title = msg.data[1]
   judge = msg.data[2]
   patron = msg.sender
   initprob = msg.data[3]
   
   // calculate b
   if msg.data[3] < 51:
      lowestprob = initprob
   else:
      lowestprob = 100-initprob
   
   x = 100 * 1000000 / ( lowestprob )
   
   LOG = 0
   while x >= 1500000:
      LOG = LOG + 405465
      x = x * 2 / 3
   x = x - 1000000
   y = x
   i = 1
   while i < 10:
      LOG = LOG + (y / i)
      i = i + 1
      y = y * x / 1000000
      LOG = LOG - (y / i)
      i = i + 1
      y = y * x / 1000000
          
   b = msg.value * 1000000 / LOG
       
   // Contract settings
   contract.storage[0] = title
   contract.storage[1] = judge
   contract.storage[2] = patron
   contract.storage[3] = initprob
   contract.storage[4] = b
            
   // Bet data
   contract.storage[1000] = initprob
   contract.storage[1001] = 1000

// new bet case
elif msg.data[0]==1:
   // obvious vars
   thisprob = msg.data[1]
   lastprob = contract.storage[1000]
   bettor = msg.sender
   betloc = contract.storage[1001] + 10
   b = contract.storage[4]

// stop conditions
   if contract.storage[5]:
      stop
   if thisprob > 99:
      stop
   if thisprob < 1:
      stop
   
   // calculate maximum loss
   if thisprob < lastprob:
      x1 = 1000000 * lastprob / thisprob
      x2 = 1000000 * (100-thisprob) / (100-lastprob)
      outcome = 0
   else:
      x1 = 1000000 * (100-lastprob) / (100-thisprob)
      x2 = 1000000 * thisprob / lastprob
      outcome = 1
   
   x = x1

LOG = 0
   while x >= 1500000:
      LOG = LOG + 405465
      x = x * 2 / 3
   x = x - 1000000
   y = x
   i = 1
   while i < 10:
      LOG = LOG + (y / i)
      i = i + 1
      y = y * x / 1000000
      LOG = LOG - (y / i)
      i = i + 1
      y = y * x / 1000000

maxloss = b*LOG/1000000
   
   // if the bettor can afford their bet
   if maxloss < msg.value:
      // calculate max gain
      x = x2
      
      LOG = 0
      while x >= 1500000:
         LOG = LOG + 405465
         x = x * 2 / 3
      x = x - 1000000
      y = x
      i = 1
      while i < 10:
         LOG = LOG + (y / i)
         i = i + 1
         y = y * x / 1000000
         LOG = LOG - (y / i)
         i = i + 1
         y = y * x / 1000000
 
      maxgain = b*LOG/1000000

// save data
      contract.storage[betloc] = thisprob
      contract.storage[betloc + 1] = bettor
      contract.storage[betloc + 2] = outcome
      contract.storage[betloc + 3] = maxloss
      contract.storage[betloc + 4] = maxgain
      
      contract.storage[1000] = thisprob 
      contract.storage[1001] = betloc
      
      send(msg.sender, maxloss, 1)

else:
      send(msg.sender, msg.value, tx.gas)

// judge case
elif msg.data[0]==2:
   // stop conditions 
   if !(msg.sender == contract.storage[1]):
      stop
   elif !contract.storage[0]:
      stop
     
   // judge the contract
   outcome = msg.data[1]
   contract.storage[5] = 1 // close contract
   contract.storage[6] = outcome // set outcome
   
   // pay bettors
   lastbetloc = contract.storage[1001]
   i = 1000
   
   while i < lastbetloc:
      i = i + 10
      if contract.storage[i+2] == outcome:
         send(msg.sender, contract.storage[i+3], tx.gas)
      contract.storage[i+5] = 1

// query for data API
elif msg.data[0]==4:
   // stop conditions
   if !contract.storage[0]:
      stop
   // basic market info
   if msg.data[1]==0:
      data = array(4)
      data[0] = contract.storage[0]
      data[1] = contract.storage[1]
      data[2] = contract.storage[2]
      data[3] = contract.storage[4]
      return(data)
   
   // latest probability
   elif msg.data[1]==1:
      return(contract.storage[1000])
   
   // betting history
   elif msg.data[1]==2:
      lastbetloc = contract.storage[1001]
      numbets = (lastbetloc - 1000)/10 + 1
      data = array(numbets+1)
      data[0] = numbets
      data[1] = contract.storage[3]
      iterator = 2
      betloc = 1010
      while i < numbets+1:
         data[i] = contract.storage[betloc]
         i = i + 1
         betloc = betloc + 10
      
      return(data)
      
   
   // bet cost
   elif msg.data[1]==3:
      // declare necessary variables
      thisprob = msg.data[2]
      lastprob = contract.storage[1000]
      b = contract.storage[4]
      
      if thisprob < lastprob:
         x = 1000000 * lastprob / thisprob
      elif thisprob > lastprob:
         x = 1000000 * (100-lastprob) / (100-thisprob)
      else:
         return(0)
         stop
      
      LOG = 0
      while x >= 1500000:
         LOG = LOG + 405465
         x = x * 2 / 3
      x = x - 1000000
      y = x
      i = 1
      while i < 10:
         LOG = LOG + (y / i)
         i = i + 1
         y = y * x / 1000000
         LOG = LOG - (y / i)
         i = i + 1
         y = y * x / 1000000
      
      return(b*LOG/1000000)

Send Message to Contract

Test Name

0	0
1	"Test market"
2	1232132
3	40

0	1
1	60

Key	Value
0	Test Market
4	109135
1001	1000
1000	40

Playback
Blockchain

Line 1

Logs
Storage

[Line 2] msg.data[0] value is 1
[Line 54] msg.data[0] value is 1
[Line 56] msg.data[1] value is 60
[Line 57] contract.storage[1000] value is 40
[Line 59] contract.storage[1001] value is 1000
[Line 60] contract.storage[4] value is 109135
[Line 63] contract.storage[5] value is 0
[Line 122] Setting contract.storage[1010] value: 60
[Line 123] Setting contract.storage[1011] value: 1229724638121313836032365001524482840299317972066
[Line 124] Setting contract.storage[1012] value: 1
[Line 125] Setting contract.storage[1013] value: 44250
[Line 126] Setting contract.storage[1014] value: 44250
[Line 128] Setting contract.storage[1000] value: 60
[Line 129] Setting contract.storage[1001] value: 1010
[Line 131] sending 44250 to 1229724638121313836032365001524482840299317972066

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

Contract Storage Key	Contract Storage Value
0	Test Market
4	109135
1000	40
1001	1000

        executed lines: 2,54,56,57,58,59,60,63,65,67,71,75,76,77,78,80,82,83,84,85,83,86,87,88,89,90,91,92,93,94,95,89,90,91,92,93,94,95,89,90,91,92,93,94,95,89,90,91,92,93,94,95,89,90,91,92,93,94,95,89,97,100,102,104,105,106,107,105,108,109,110,111,112,113,114,115,116,117,111,112,113,114,115,116,117,111,112,113,114,115,116,117,111,112,113,114,115,116,117,111,112,113,114,115,116,117,111,119,122,123,124,125,126,128,129,131

Deploying and Compiling With ethkit

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Deployment

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Compiled Code

ethkit domain:

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Test Name

Create a Test

Message Details

Contract Data

Test Contract Data

Advanced Settings

Message Details

Contract Data

Test Contract Data

Advanced Settings

Message Details

Contract Data

Test Contract Data

Advanced Settings

Message Details

Contract Data

Test Contract Data

Advanced Settings

Deploying and Compiling With ethkit

Deployment

Send Transaction to Blockchain

Contract Address:

Compiled Code

None