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| author | Wei-Ning Huang <w@cobinhood.com> | 2018-10-18 13:12:16 +0800 |
|---|---|---|
| committer | Wei-Ning Huang <w@dexon.org> | 2019-04-09 21:32:50 +0800 |
| commit | 6137f79f726e8ec6a282ee0ca4ed45c05020ed4c (patch) | |
| tree | 9a9e5c3cc01e0a7c1898799562e13fabeaf608d5 /core/vm/opcodes.go | |
| parent | 1fa4415d48e4ed7ee0f75ed21e62847ea68d3a0f (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 'core/vm/opcodes.go')
| -rw-r--r-- | core/vm/opcodes.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/core/vm/opcodes.go b/core/vm/opcodes.go index 4349ffd29..8762d4b43 100644 --- a/core/vm/opcodes.go +++ b/core/vm/opcodes.go @@ -71,6 +71,7 @@ const ( SAR SHA3 = 0x20 + RAND = 0x2f ) // 0x30 range - closure state. @@ -251,6 +252,7 @@ var opCodeToString = map[OpCode]string{ // 0x20 range - crypto. SHA3: "SHA3", + RAND: "RAND", // 0x30 range - closure state. ADDRESS: "ADDRESS", @@ -420,6 +422,7 @@ var stringToOp = map[string]OpCode{ "ADDMOD": ADDMOD, "MULMOD": MULMOD, "SHA3": SHA3, + "RAND": RAND, "ADDRESS": ADDRESS, "BALANCE": BALANCE, "ORIGIN": ORIGIN, |