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core: added basic chain configuration

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Added chain configuration options and write out during genesis database
insertion. If no "config" was found, nothing is written to the database.

Configurations are written on a per genesis base. This means
that any chain (which is identified by it's genesis hash) can have their
own chain settings.
This commit is contained in:
Jeffrey Wilcke
2016-03-01 23:32:43 +01:00
committed by Jeffrey Wilcke
parent 10d3466c93
commit f0cbebb19f
55 changed files with 732 additions and 431 deletions
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19
cmd/evm/main.go
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@ -33,7 +33,6 @@ import (
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/params"
)
var (
@ -106,9 +105,6 @@ func init() {
}
func run(ctx *cli.Context) {
vm.ForceJit = ctx.GlobalBool(ForceJitFlag.Name)
vm.EnableJit = !ctx.GlobalBool(DisableJitFlag.Name)
glog.SetToStderr(true)
glog.SetV(ctx.GlobalInt(VerbosityFlag.Name))
@ -118,8 +114,10 @@ func run(ctx *cli.Context) {
receiver := statedb.CreateAccount(common.StringToAddress("receiver"))
receiver.SetCode(common.Hex2Bytes(ctx.GlobalString(CodeFlag.Name)))
vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(ctx.GlobalString(ValueFlag.Name)), &vm.Config{
Debug: ctx.GlobalBool(DebugFlag.Name),
vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(ctx.GlobalString(ValueFlag.Name)), vm.Config{
Debug: ctx.GlobalBool(DebugFlag.Name),
ForceJit: ctx.GlobalBool(ForceJitFlag.Name),
EnableJit: !ctx.GlobalBool(DisableJitFlag.Name),
})
tstart := time.Now()
@ -180,8 +178,7 @@ type VMEnv struct {
evm *vm.EVM
}
func NewEnv(state *state.StateDB, transactor common.Address, value *big.Int, cfg *vm.Config) *VMEnv {
params.HomesteadBlock = new(big.Int)
func NewEnv(state *state.StateDB, transactor common.Address, value *big.Int, cfg vm.Config) *VMEnv {
env := &VMEnv{
state: state,
transactor: &transactor,
@ -194,6 +191,12 @@ func NewEnv(state *state.StateDB, transactor common.Address, value *big.Int, cfg
return env
}
// ruleSet implements vm.RuleSet and will always default to the homestead rule set.
type ruleSet struct{}
func (ruleSet) IsHomestead(*big.Int) bool { return true }
func (self *VMEnv) RuleSet() vm.RuleSet { return ruleSet{} }
func (self *VMEnv) Vm() vm.Vm { return self.evm }
func (self *VMEnv) Db() vm.Database { return self.state }
func (self *VMEnv) MakeSnapshot() vm.Database { return self.state.Copy() }