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core, core/state: move gas tracking out of core/state

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The amount of gas available for tx execution was tracked in the
StateObject representing the coinbase account. This commit makes the gas
counter a separate type in package core, which avoids unintended
consequences of intertwining the counter with state logic.
This commit is contained in:
Felix Lange
2015-09-02 12:55:11 +02:00
parent 10ed107ba2
commit de8d5aaa92
10 changed files with 92 additions and 142 deletions
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8
tests/state_test_util.go
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@ -223,7 +223,6 @@ func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, vm.Log
price = common.Big(tx["gasPrice"])
value = common.Big(tx["value"])
nonce = common.Big(tx["nonce"]).Uint64()
caddr = common.HexToAddress(env["currentCoinbase"])
)
var to *common.Address
@ -235,16 +234,15 @@ func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, vm.Log
vm.Precompiled = vm.PrecompiledContracts()
snapshot := statedb.Copy()
coinbase := statedb.GetOrNewStateObject(caddr)
coinbase.SetGasLimit(common.Big(env["currentGasLimit"]))
gaspool := new(core.GasPool).AddGas(common.Big(env["currentGasLimit"]))
key, _ := hex.DecodeString(tx["secretKey"])
addr := crypto.PubkeyToAddress(crypto.ToECDSA(key).PublicKey)
message := NewMessage(addr, to, data, value, gas, price, nonce)
vmenv := NewEnvFromMap(statedb, env, tx)
vmenv.origin = addr
ret, _, err := core.ApplyMessage(vmenv, message, coinbase)
if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || state.IsGasLimitErr(err) {
ret, _, err := core.ApplyMessage(vmenv, message, gaspool)
if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || core.IsGasLimitErr(err) {
statedb.Set(snapshot)
}
statedb.Commit()