diff options
Diffstat (limited to 'core/vm/environment.go')
| -rw-r--r-- | core/vm/environment.go | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/core/vm/environment.go b/core/vm/environment.go index f8996e648..e97c1e58c 100644 --- a/core/vm/environment.go +++ b/core/vm/environment.go @@ -23,20 +23,11 @@ import ( "github.com/ethereum/go-ethereum/params" ) -// RuleSet is an interface that defines the current rule set during the -// execution of the EVM instructions (e.g. whether it's homestead) -type RuleSet interface { - IsHomestead(*big.Int) bool - // GasTable returns the gas prices for this phase, which is based on - // block number passed in. - GasTable(*big.Int) params.GasTable -} - // Environment is an EVM requirement and helper which allows access to outside // information such as states. type Environment interface { // The current ruleset - RuleSet() RuleSet + ChainConfig() *params.ChainConfig // The state database Db() Database // Creates a restorable snapshot @@ -115,6 +106,9 @@ type Database interface { // Exist reports whether the given account exists in state. // Notably this should also return true for suicided accounts. Exist(common.Address) bool + // Empty returns whether the given account is empty. Empty + // is defined according to EIP161 (balance = nonce = code = 0). + Empty(common.Address) bool } // Account represents a contract or basic ethereum account. |