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| author | Jeffrey Wilcke <jeffrey@ethereum.org> | 2017-02-08 20:39:26 +0800 |
|---|---|---|
| committer | Jeffrey Wilcke <jeffrey@ethereum.org> | 2017-02-13 22:15:12 +0800 |
| commit | 57f4e9025757254536a738bb4771712038f1e763 (patch) | |
| tree | 5d2f140139f3763a7da3c20a88acff96b58ec8ad /core/vm/stack_table.go | |
| parent | f8f428cc18c5f70814d7b3937128781bac14bffd (diff) | |
| download | dexon-57f4e9025757254536a738bb4771712038f1e763.tar.gz dexon-57f4e9025757254536a738bb4771712038f1e763.tar.zst dexon-57f4e9025757254536a738bb4771712038f1e763.zip | |
Revert "params: core, core/vm, miner: 64bit gas instructions (#3514)"
This reverts commit 8b57c494908637a5c0e74f8f7a13b3218e026757.
Diffstat (limited to 'core/vm/stack_table.go')
| -rw-r--r-- | core/vm/stack_table.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/core/vm/stack_table.go b/core/vm/stack_table.go index 0936ef06f..eed8805f2 100644 --- a/core/vm/stack_table.go +++ b/core/vm/stack_table.go @@ -6,15 +6,23 @@ import ( "github.com/ethereum/go-ethereum/params" ) -func makeStackFunc(pop, push int) stackValidationFunc { +func makeStackFunc(pop, diff int) stackValidationFunc { return func(stack *Stack) error { if err := stack.require(pop); err != nil { return err } - if push > 0 && stack.len()-pop+push > int(params.StackLimit) { + if int64(stack.len()+diff) > params.StackLimit.Int64() { return fmt.Errorf("stack limit reached %d (%d)", stack.len(), params.StackLimit) } return nil } } + +func makeDupStackFunc(n int) stackValidationFunc { + return makeStackFunc(n, 1) +} + +func makeSwapStackFunc(n int) stackValidationFunc { + return makeStackFunc(n, 0) +} |