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authorJeffrey Wilcke <jeffrey@ethereum.org>2017-01-05 18:52:10 +0800
committerFelix Lange <fjl@users.noreply.github.com>2017-01-05 18:52:10 +0800
commitbbc4ea4ae8e8a962deae3d5693d9d4a9376eab88 (patch)
treed4743eaa073d1bc7788f5d4fc3771da37f3cb0b5 /accounts/abi
parent2126d8148806b6d8597d6a1c761080e9dc98d745 (diff)
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core/vm: improved EVM run loop & instruction calling (#3378)
The run loop, which previously contained custom opcode executes have been removed and has been simplified to a few checks. Each operation consists of 4 elements: execution function, gas cost function, stack validation function and memory size function. The execution function implements the operation's runtime behaviour, the gas cost function implements the operation gas costs function and greatly depends on the memory and stack, the stack validation function validates the stack and makes sure that enough items can be popped off and pushed on and the memory size function calculates the memory required for the operation and returns it. This commit also allows the EVM to go unmetered. This is helpful for offline operations such as contract calls.
Diffstat (limited to 'accounts/abi')
-rw-r--r--accounts/abi/bind/backends/simulated.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/accounts/abi/bind/backends/simulated.go b/accounts/abi/bind/backends/simulated.go
index 06bd13cae..7bff1a125 100644
--- a/accounts/abi/bind/backends/simulated.go
+++ b/accounts/abi/bind/backends/simulated.go
@@ -229,7 +229,7 @@ func (b *SimulatedBackend) callContract(ctx context.Context, call ethereum.CallM
evmContext := core.NewEVMContext(msg, block.Header(), b.blockchain)
// Create a new environment which holds all relevant information
// about the transaction and calling mechanisms.
- vmenv := vm.NewEnvironment(evmContext, statedb, chainConfig, vm.Config{})
+ vmenv := vm.NewEVM(evmContext, statedb, chainConfig, vm.Config{})
gaspool := new(core.GasPool).AddGas(common.MaxBig)
ret, gasUsed, _, err := core.NewStateTransition(vmenv, msg, gaspool).TransitionDb()
return ret, gasUsed, err