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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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9
core/vm/runtime/env.go
View File

@ -27,8 +27,9 @@ import (
// Env is a basic runtime environment required for running the EVM.
type Env struct {
depth int
state *state.StateDB
ruleSet vm.RuleSet
depth int
state *state.StateDB
origin common.Address
coinbase common.Address
@ -48,6 +49,7 @@ type Env struct {
// NewEnv returns a new vm.Environment
func NewEnv(cfg *Config, state *state.StateDB) vm.Environment {
env := &Env{
ruleSet: cfg.RuleSet,
state: state,
origin: cfg.Origin,
coinbase: cfg.Coinbase,
@ -56,7 +58,7 @@ func NewEnv(cfg *Config, state *state.StateDB) vm.Environment {
difficulty: cfg.Difficulty,
gasLimit: cfg.GasLimit,
}
env.evm = vm.New(env, &vm.Config{
env.evm = vm.New(env, vm.Config{
Debug: cfg.Debug,
EnableJit: !cfg.DisableJit,
ForceJit: !cfg.DisableJit,
@ -77,6 +79,7 @@ func (self *Env) AddStructLog(log vm.StructLog) {
self.logs = append(self.logs, log)
}
func (self *Env) RuleSet() vm.RuleSet { return self.ruleSet }
func (self *Env) Vm() vm.Vm { return self.evm }
func (self *Env) Origin() common.Address { return self.origin }
func (self *Env) BlockNumber() *big.Int { return self.number }

11
core/vm/runtime/runtime.go
View File

@ -22,13 +22,20 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
)
// The default, always homestead, rule set for the vm env
type ruleSet struct{}
func (ruleSet) IsHomestead(*big.Int) bool { return true }
// Config is a basic type specifying certain configuration flags for running
// the EVM.
type Config struct {
RuleSet vm.RuleSet
Difficulty *big.Int
Origin common.Address
Coinbase common.Address
@ -46,6 +53,10 @@ type Config struct {
// sets defaults on the config
func setDefaults(cfg *Config) {
if cfg.RuleSet == nil {
cfg.RuleSet = ruleSet{}
}
if cfg.Difficulty == nil {
cfg.Difficulty = new(big.Int)
}