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Refactore address conversion functions to bitcoinwire.go

indexv1
Martin Boehm 2018-03-05 16:54:05 +01:00
parent 2736d15d63
commit 54ddfa9e03
3 changed files with 22 additions and 38 deletions
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29
bchain/bitcoinwire.go
View File

@ -5,6 +5,7 @@ import (
"encoding/hex"
"github.com/btcsuite/btcd/blockchain"
"github.com/btcsuite/btcutil"
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/txscript"
@ -27,16 +28,30 @@ type BitcoinBlockParser struct {
Params *chaincfg.Params
}
func (p *BitcoinBlockParser) parseOutputScript(b []byte) ([]string, error) {
_, addresses, _, err := txscript.ExtractPkScriptAddrs(b, p.Params)
// AddressToOutputScript converts bitcoin address to ScriptPubKey
func AddressToOutputScript(address string) ([]byte, error) {
da, err := btcutil.DecodeAddress(address, GetChainParams()[0])
if err != nil {
return nil, err
}
addrs := make([]string, len(addresses))
for i, a := range addresses {
addrs[i] = a.EncodeAddress()
script, err := txscript.PayToAddrScript(da)
if err != nil {
return nil, err
}
return addrs, nil
return script, nil
}
// OutputScriptToAddresses converts ScriptPubKey to bitcoin addresses
func OutputScriptToAddresses(script []byte) ([]string, error) {
_, addresses, _, err := txscript.ExtractPkScriptAddrs(script, GetChainParams()[0])
if err != nil {
return nil, err
}
rv := make([]string, len(addresses))
for i, a := range addresses {
rv[i] = a.EncodeAddress()
}
return rv, nil
}
func (p *BitcoinBlockParser) ParseBlock(b []byte) (*Block, error) {
@ -71,7 +86,7 @@ func (p *BitcoinBlockParser) ParseBlock(b []byte) (*Block, error) {
}
vout := make([]Vout, len(t.TxOut))
for i, out := range t.TxOut {
// addrs, err := p.parseOutputScript(out.PkScript)
// addrs, err := OutputScriptToAddresses(out.PkScript)
// if err != nil {
// addrs = []string{}
// }

0
bchain/types_test.go → bchain/bitcoinwire_test.go
View File

31
bchain/types.go
View File

@ -1,10 +1,5 @@
package bchain
import (
"github.com/btcsuite/btcd/txscript"
"github.com/btcsuite/btcutil"
)
type ScriptSig struct {
// Asm string `json:"asm"`
Hex string `json:"hex"`
@ -31,32 +26,6 @@ type Vout struct {
ScriptPubKey ScriptPubKey `json:"scriptPubKey"`
}
// AddressToOutputScript converts bitcoin address to ScriptPubKey
func AddressToOutputScript(address string) ([]byte, error) {
da, err := btcutil.DecodeAddress(address, GetChainParams()[0])
if err != nil {
return nil, err
}
script, err := txscript.PayToAddrScript(da)
if err != nil {
return nil, err
}
return script, nil
}
// OutputScriptToAddresses converts ScriptPubKey to bitcoin addresses
func OutputScriptToAddresses(script []byte) ([]string, error) {
_, addresses, _, err := txscript.ExtractPkScriptAddrs(script, GetChainParams()[0])
if err != nil {
return nil, err
}
rv := make([]string, len(addresses))
for i, a := range addresses {
rv[i] = a.EncodeAddress()
}
return rv, nil
}
// Tx is blockchain transaction
// unnecessary fields are commented out to avoid overhead
type Tx struct {