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package coreth
import (
"crypto/ecdsa"
"io"
"os"
"github.com/ava-labs/coreth/consensus/dummy"
"github.com/ava-labs/coreth/eth"
"github.com/ava-labs/coreth/node"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/log"
"github.com/mattn/go-isatty"
)
type Tx = types.Transaction
type Block = types.Block
type Hash = common.Hash
type ETHChain struct {
backend *eth.Ethereum
cb *dummy.ConsensusCallbacks
}
func isLocalBlock(block *types.Block) bool {
return false
}
func NewETHChain(config *eth.Config, etherBase *common.Address) *ETHChain {
if config == nil {
config = ð.DefaultConfig
}
mux := new(event.TypeMux)
ctx := node.NewServiceContext(mux)
cb := new(dummy.ConsensusCallbacks)
backend, _ := eth.New(&ctx, config, cb)
chain := ÐChain{backend: backend, cb: cb}
if etherBase == nil {
etherBase = &common.Address{
1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}
}
backend.SetEtherbase(*etherBase)
return chain
}
func (self *ETHChain) Start() {
self.backend.StartMining(0)
}
func (self *ETHChain) Stop() {
self.backend.StopPart()
}
func (self *ETHChain) GenBlock() {
self.backend.Miner().GenBlock()
}
func (self *ETHChain) AddRemoteTxs(txs []*types.Transaction) []error {
return self.backend.TxPool().AddRemotes(txs)
}
func (self *ETHChain) AddLocalTxs(txs []*types.Transaction) []error {
return self.backend.TxPool().AddLocals(txs)
}
func (self *ETHChain) SetOnSeal(cb func(*types.Block) error) {
self.cb.OnSeal = cb
}
func (self *ETHChain) SetOnAPIs(cb dummy.OnAPIsCallbackType) {
self.cb.OnAPIs = cb
}
func (self *ETHChain) SetOnFinalize(cb dummy.OnFinalizeCallbackType) {
self.cb.OnFinalize = cb
}
func (self *ETHChain) SetOnFinalizeAndAssemble(cb dummy.OnFinalizeAndAssembleCallbackType) {
self.cb.OnFinalizeAndAssemble = cb
}
// Returns a new mutable state based on the current HEAD block.
func (self *ETHChain) CurrentState() (*state.StateDB, error) {
return self.backend.BlockChain().State()
}
// Returns a new mutable state based on the given block.
func (self *ETHChain) BlockState(block *types.Block) (*state.StateDB, error) {
return self.backend.BlockChain().StateAt(block.Root())
}
// Retrives a block from the database by hash.
func (self *ETHChain) GetBlockByHash(hash common.Hash) *types.Block {
return self.backend.BlockChain().GetBlockByHash(hash)
}
// SetHead sets the current head block to the one defined by the hash
// irrelevant what the chain contents were prior.
func (self *ETHChain) SetHead(hash common.Hash) error {
return self.backend.BlockChain().FastSyncCommitHead(hash)
}
type Key struct {
Address common.Address
PrivateKey *ecdsa.PrivateKey
}
func NewKeyFromECDSA(privateKeyECDSA *ecdsa.PrivateKey) *Key {
key := &Key{
Address: crypto.PubkeyToAddress(privateKeyECDSA.PublicKey),
PrivateKey: privateKeyECDSA,
}
return key
}
func NewKey(rand io.Reader) (*Key, error) {
privateKeyECDSA, err := ecdsa.GenerateKey(crypto.S256(), rand)
if err != nil {
return nil, err
}
return NewKeyFromECDSA(privateKeyECDSA), nil
}
func init() {
usecolor := (isatty.IsTerminal(os.Stderr.Fd()) || isatty.IsCygwinTerminal(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb"
glogger := log.StreamHandler(io.Writer(os.Stderr), log.TerminalFormat(usecolor))
log.Root().SetHandler(glogger)
}
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