Вуди Дек woodydeck
woodydeck
/ Random generator
Created
April 14, 2018 06:20
— forked from alexvandesande/Random generator
A very simple random generator. A miner can influence the number by not publishing a block with an unwanted outcome, and forfeiting the 5 block reward.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| contract random { | |
| /* Generates a random number from 0 to 100 based on the last block hash */ | |
| function randomGen(uint seed) constant returns (uint randomNumber) { | |
| return(uint(sha3(block.blockhash(block.number-1), seed ))%100); | |
| } | |
| /* generates a number from 0 to 2^n based on the last n blocks */ | |
| function multiBlockRandomGen(uint seed, uint size) constant returns (uint randomNumber) { | |
| uint n = 0; | |
| for (uint i = 0; i < size; i++){ |