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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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10
core/vm/jump_table.go
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@ -1,10 +1,6 @@
package vm
import (
"math/big"
"github.com/ethereum/go-ethereum/params"
)
import "math/big"
type jumpPtr struct {
fn instrFn
@ -13,12 +9,12 @@ type jumpPtr struct {
type vmJumpTable [256]jumpPtr
func newJumpTable(blockNumber *big.Int) vmJumpTable {
func newJumpTable(ruleset RuleSet, blockNumber *big.Int) vmJumpTable {
var jumpTable vmJumpTable
// when initialising a new VM execution we must first check the homestead
// changes.
if params.IsHomestead(blockNumber) {
if ruleset.IsHomestead(blockNumber) {
jumpTable[DELEGATECALL] = jumpPtr{opDelegateCall, true}
}