// newManagedAddressWithoutPrivKey returns a new managed address based on the
// passed account, public key, and whether or not the public key should be
// compressed.
func newManagedAddressWithoutPrivKey(m *Manager, account uint32, pubKey *btcec.PublicKey,
compressed bool, addrType addressType) (*managedAddress, error) {
// Create a pay-to-pubkey-hash address from the public key.
var pubKeyHash []byte
if compressed {
pubKeyHash = btcutil.Hash160(pubKey.SerializeCompressed())
} else {
pubKeyHash = btcutil.Hash160(pubKey.SerializeUncompressed())
}
var address btcutil.Address
var err error
switch addrType {
// TODO(roasbeef): only use these types in the db?
case adtChainNestedWitness:
// For this address type we'l generate an address which is
// backwards compatible to Bitcoin nodes running 0.6.0 onwards, but
// allows us to take advantage of segwit's scripting improvments,
// and malleability fixes.
// First, we'll generate a normal p2wkh address from the pubkey hash.
witAddr, err := btcutil.NewAddressWitnessPubKeyHash(pubKeyHash, m.chainParams)
if err != nil {
return nil, err
}
// Next we'll generate the witness program which can be used as a
// pkScript to pay to this generated address.
witnessProgram, err := txscript.PayToAddrScript(witAddr)
if err != nil {
return nil, err
}
// Finally, we'll use the witness program itself as the pre-image
// to a p2sh address. In order to spend, we first use the
// witnessProgram as the sigScript, then present the proper
// <sig, pubkey> pair as the witness.
address, err = btcutil.NewAddressScriptHash(witnessProgram, m.chainParams)
if err != nil {
return nil, err
}
case adtImport:
// TODO(roasbeef): truly proper?
fallthrough
case adtChain:
address, err = btcutil.NewAddressPubKeyHash(pubKeyHash, m.chainParams)
if err != nil {
return nil, err
}
case adtChainWitness:
address, err = btcutil.NewAddressWitnessPubKeyHash(pubKeyHash, m.chainParams)
if err != nil {
return nil, err
}
}
return &managedAddress{
manager: m,
address: address,
account: account,
imported: false,
internal: false,
addrType: addrType,
compressed: compressed,
pubKey: pubKey,
privKeyEncrypted: nil,
privKeyCT: nil,
}, nil
}
