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| author | Nick Johnson <arachnid@notdot.net> | 2017-01-17 19:19:50 +0800 |
|---|---|---|
| committer | Felix Lange <fjl@users.noreply.github.com> | 2017-01-17 19:19:50 +0800 |
| commit | 17d92233d9e64b642fed9a992556f7ff7d6fda18 (patch) | |
| tree | e655a85d9d31c3377aef21b441c8b2c44df0aeff /core/vm/instructions.go | |
| parent | 26d385c18b5eb003d9a69ff618c78acbe594db44 (diff) | |
| download | go-tangerine-17d92233d9e64b642fed9a992556f7ff7d6fda18.tar.gz go-tangerine-17d92233d9e64b642fed9a992556f7ff7d6fda18.tar.zst go-tangerine-17d92233d9e64b642fed9a992556f7ff7d6fda18.zip | |
cmd/geth, core: add support for recording SHA3 preimages (#3543)
Diffstat (limited to 'core/vm/instructions.go')
| -rw-r--r-- | core/vm/instructions.go | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/core/vm/instructions.go b/core/vm/instructions.go index 5bfa73a30..3b1b06cca 100644 --- a/core/vm/instructions.go +++ b/core/vm/instructions.go @@ -247,7 +247,12 @@ func opMulmod(pc *uint64, env *EVM, contract *Contract, memory *Memory, stack *S func opSha3(pc *uint64, env *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) { offset, size := stack.pop(), stack.pop() - hash := crypto.Keccak256(memory.Get(offset.Int64(), size.Int64())) + data := memory.Get(offset.Int64(), size.Int64()) + hash := crypto.Keccak256(data) + + if env.vmConfig.EnablePreimageRecording { + env.StateDB.AddPreimage(common.BytesToHash(hash), data) + } stack.push(common.BytesToBig(hash)) return nil, nil |