// NewMinimalVisor returns a Visor with minimum initialization necessary for empty blockchain
// access
func NewMinimalVisor(c VisorConfig) *Visor {
return &Visor{
Config: c,
blockSigs: blockdb.NewBlockSigs(),
Unconfirmed: NewUnconfirmedTxnPool(),
//Wallets: nil,
}
}
// NewVisor Creates a normal Visor given a master's public key
func NewVisor(c VisorConfig) *Visor {
logger.Debug("Creating new visor")
// Make sure inputs are correct
if c.IsMaster {
logger.Debug("Visor is master")
if c.BlockchainPubkey != cipher.PubKeyFromSecKey(c.BlockchainSeckey) {
log.Panicf("Cannot run in master: invalid seckey for pubkey")
}
}
db, err := historydb.NewDB()
if err != nil {
log.Panic(err)
}
history, err := historydb.New(db)
if err != nil {
log.Panic(err)
}
tree := blockdb.NewBlockTree()
bc := NewBlockchain(tree, walker)
bp := NewBlockchainParser(history, bc)
bp.Start()
bc.BindListener(bp.BlockListener)
v := &Visor{
Config: c,
Blockchain: bc,
blockSigs: blockdb.NewBlockSigs(),
Unconfirmed: NewUnconfirmedTxnPool(),
history: history,
bcParser: bp,
}
gb := bc.GetGenesisBlock()
if gb == nil {
v.GenesisPreconditions()
b := v.Blockchain.CreateGenesisBlock(c.GenesisAddress, c.GenesisCoinVolume, c.GenesisTimestamp)
gb = &b
logger.Debug("create genesis block")
// record the signature of genesis block
if c.IsMaster {
sb := v.SignBlock(*gb)
v.blockSigs.Add(&sb)
} else {
v.blockSigs.Add(&coin.SignedBlock{
Block: *gb,
Sig: c.GenesisSignature,
})
}
}
if err := v.Blockchain.VerifySigs(c.BlockchainPubkey, v.blockSigs); err != nil {
log.Panicf("Invalid block signatures: %v", err)
}
// db, err := historydb.NewDB()
// if err != nil {
// log.Panic(err)
// }
// v.history, err = historydb.New(db)
// if err != nil {
// log.Panic(err)
// }
// init the blockchain parser instance
// v.bcParser = NewBlockchainParser(v.history, v.Blockchain)
// v.StartParser()
return v
}