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p2shaddress.go
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/
p2shaddress.go
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package block
import (
"fmt"
"github.com/weijun-sh/gethscan-server/common"
"github.com/weijun-sh/gethscan-server/tokens"
"github.com/weijun-sh/gethscan-server/tokens/tools"
)
func (b *Bridge) getP2shAddressWithMemo(memo, pubKeyHash []byte) (p2shAddress string, redeemScript []byte, err error) {
redeemScript, err = b.GetP2shRedeemScript(memo, pubKeyHash)
if err != nil {
return
}
addressScriptHash, err := b.NewAddressScriptHash(redeemScript)
if err != nil {
return
}
p2shAddress = addressScriptHash.EncodeAddress()
return
}
// GetP2shAddress get p2sh address from bind address
func (b *Bridge) GetP2shAddress(bindAddr string) (p2shAddress string, redeemScript []byte, err error) {
if !tokens.GetCrossChainBridge(!b.IsSrc).IsValidAddress(bindAddr) {
return "", nil, fmt.Errorf("invalid bind address %v", bindAddr)
}
memo := common.FromHex(bindAddr)
pairID := PairID
tokenCfg := b.GetTokenConfig(pairID)
if tokenCfg == nil {
return "", nil, tokens.ErrUnknownPairID
}
dcrmAddress := tokenCfg.DcrmAddress
address, err := b.DecodeAddress(dcrmAddress)
if err != nil {
return "", nil, fmt.Errorf("invalid dcrm address %v, %w", dcrmAddress, err)
}
pubKeyHash := address.ScriptAddress()
return b.getP2shAddressWithMemo(memo, pubKeyHash)
}
func (b *Bridge) getRedeemScriptByOutputScrpit(preScript []byte) ([]byte, error) {
pkScript, err := b.ParsePkScript(preScript)
if err != nil {
return nil, err
}
p2shAddress, err := pkScript.Address(b.GetChainParams())
if err != nil {
return nil, err
}
p2shAddr := p2shAddress.String()
bindAddr := tools.GetP2shBindAddress(p2shAddr)
if bindAddr == "" {
return nil, fmt.Errorf("p2sh address %v is not registered", p2shAddr)
}
var address string
address, redeemScript, _ := b.GetP2shAddress(bindAddr)
if address != p2shAddr {
return nil, fmt.Errorf("p2sh address mismatch for bind address %v, have %v want %v", bindAddr, p2shAddr, address)
}
return redeemScript, nil
}
// GetP2shAddressByRedeemScript get p2sh address by redeem script
func (b *Bridge) GetP2shAddressByRedeemScript(redeemScript []byte) (string, error) {
addressScriptHash, err := b.NewAddressScriptHash(redeemScript)
if err != nil {
return "", err
}
return addressScriptHash.EncodeAddress(), nil
}
// GetP2shSigScript get p2sh signature script
func (b *Bridge) GetP2shSigScript(redeemScript []byte) ([]byte, error) {
p2shAddr, err := b.GetP2shAddressByRedeemScript(redeemScript)
if err != nil {
return nil, err
}
return b.GetPayToAddrScript(p2shAddr)
}