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| author | Wei-Ning Huang <w@dexon.org> | 2019-01-24 16:03:12 +0800 |
|---|---|---|
| committer | Wei-Ning Huang <w@dexon.org> | 2019-01-24 16:03:12 +0800 |
| commit | 3023a1b64afe9dd6e7ad2767a267148cc049fc9b (patch) | |
| tree | 67a6325bd9d73fb9936907e39752f59d3b538a67 | |
| parent | 2ef5181871c067b9a85983ab83945e7889cb89a7 (diff) | |
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Updated On Chain Random Oracle (markdown)
| -rw-r--r-- | On-Chain-Random-Oracle.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/On-Chain-Random-Oracle.md b/On-Chain-Random-Oracle.md index d456101..627f406 100644 --- a/On-Chain-Random-Oracle.md +++ b/On-Chain-Random-Oracle.md @@ -39,11 +39,11 @@ The DEXON blockchain exposes this randomness source in Solidity with the `rand` we added into EVM. The random number is calculated with the following formula: ``` -rand = Keccak( Randomness . Caller . Nonce . Gas ) +rand = Keccak( Randomness . Caller . Nonce . RandCallIndex ) ``` * `Randomness` is the block randomness signed by DKG set, unique for each block. * Note: `Randomness` field is not available in the initial round. * `Caller` is the address of the contract caller. * `Nonce` is the account nonce of the caller. -* `Gas` current gas level. This ensures the random number is different each time when called.
\ No newline at end of file +* `RandCallIndex` number of times OP_RAND is called in the current transaction.
\ No newline at end of file |