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| author | Wei-Ning Huang <w@cobinhood.com> | 2018-10-18 13:12:16 +0800 |
|---|---|---|
| committer | Wei-Ning Huang <w@byzantine-lab.io> | 2019-06-12 17:23:39 +0800 |
| commit | db1d03b5c2a6fbe370526dfaf283638773bab032 (patch) | |
| tree | 305237d4831233521fe46f5901c34c8baccf9d4d /params | |
| parent | 12eb896a11eaf15712339ffa7eedf2b7c88fdfdd (diff) | |
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core: vm: implement RAND opcode support
DEXON has a built-in on chain random oracle that allow one to retrieve a
random variable. Add a new opcode `RAND` to load the random variable
onto the stack.
Diffstat (limited to 'params')
| -rw-r--r-- | params/protocol_params.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/params/protocol_params.go b/params/protocol_params.go index c8b6609af..6b1787922 100644 --- a/params/protocol_params.go +++ b/params/protocol_params.go @@ -37,6 +37,7 @@ const ( Sha3Gas uint64 = 30 // Once per SHA3 operation. Sha3WordGas uint64 = 6 // Once per word of the SHA3 operation's data. + RandGas uint64 = 36 // Once per random seed load. SstoreSetGas uint64 = 20000 // Once per SLOAD operation. SstoreResetGas uint64 = 5000 // Once per SSTORE operation if the zeroness changes from zero. |