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core: add voting and result tracking for the dao soft-fork

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This commit is contained in:
Péter Szilágyi
2016-06-22 11:59:28 +03:00
parent 7a5b571c67
commit c4de28938f
5 changed files with 436 additions and 20 deletions
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10
core/vm_env.go
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@ -25,7 +25,9 @@ import (
"github.com/ethereum/go-ethereum/core/vm"
)
var IllegalCodeHashes map[common.Hash]struct{}
// BlockedCodeHashes is a set of EVM code hashes that this node should block
// sending funds from.
var BlockedCodeHashes map[common.Hash]struct{}
// GetHashFn returns a function for which the VM env can query block hashes through
// up to the limit defined by the Yellow Paper and uses the given block chain
@ -49,7 +51,7 @@ type VMEnv struct {
depth int // Current execution depth
msg Message // Message appliod
CodeHashes []common.Hash // code hashes collected during execution
codeHashes map[common.Hash]struct{} // code hashes collected during execution
header *types.Header // Header information
chain *BlockChain // Blockchain handle
@ -60,6 +62,7 @@ type VMEnv struct {
func NewEnv(state *state.StateDB, chainConfig *ChainConfig, chain *BlockChain, msg Message, header *types.Header, cfg vm.Config) *VMEnv {
env := &VMEnv{
chainConfig: chainConfig,
codeHashes: make(map[common.Hash]struct{}),
chain: chain,
state: state,
header: header,
@ -76,7 +79,8 @@ func NewEnv(state *state.StateDB, chainConfig *ChainConfig, chain *BlockChain, m
return env
}
func (self *VMEnv) MarkCodeHash(hash common.Hash) { self.CodeHashes = append(self.CodeHashes, hash) }
func (self *VMEnv) MarkCodeHash(hash common.Hash) { self.codeHashes[hash] = struct{}{} }
func (self *VMEnv) GetMarkedCodeHashes() map[common.Hash]struct{} { return self.codeHashes }
func (self *VMEnv) RuleSet() vm.RuleSet { return self.chainConfig }
func (self *VMEnv) Vm() vm.Vm { return self.evm }