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blockchain/indexers: add P2TR support to the addrindex

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Olaoluwa Osuntokun 2022-03-08 18:52:24 -08:00
parent 23cf18b050
commit f7f7bb33c1
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GPG Key ID: 3BBD59E99B280306
1 changed files with 16 additions and 1 deletions
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17
blockchain/indexers/addrindex.go
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@ -10,12 +10,12 @@ import (
"sync"
"github.com/btcsuite/btcd/blockchain"
"github.com/btcsuite/btcd/btcutil"
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/btcsuite/btcd/database"
"github.com/btcsuite/btcd/txscript"
"github.com/btcsuite/btcd/wire"
"github.com/btcsuite/btcd/btcutil"
)
const (
@ -63,6 +63,11 @@ const (
// script template, as well as a 32-byte data push.
addrKeyTypeWitnessScriptHash = 3
// addrKeyTypeTaprootPubKey is the address type in an address key that
// represnts a pay-to-taproot adress. We use this to denote addresses
// related to the segwit v1 that are encoded in the bech32m format.
addrKeyTypeTaprootPubKey = 4
// Size of a transaction entry. It consists of 4 bytes block id + 4
// bytes offset + 4 bytes length.
txEntrySize = 4 + 4 + 4
@ -573,6 +578,16 @@ func addrToKey(addr btcutil.Address) ([addrKeySize]byte, error) {
result[0] = addrKeyTypeWitnessPubKeyHash
copy(result[1:], addr.Hash160()[:])
return result, nil
case *btcutil.AddressTaproot:
var result [addrKeySize]byte
result[0] = addrKeyTypeTaprootPubKey
// Taproot outputs are actually just the 32-byte public key.
// Similar to the P2WSH outputs, we'll map these to 20-bytes
// via the hash160.
copy(result[1:], btcutil.Hash160(addr.ScriptAddress()))
return result, nil
}
return [addrKeySize]byte{}, errUnsupportedAddressType