lbryio/chainquery

package e2e

import (
    "github.com/btcsuite/btcd/txscript"
    "github.com/btcsuite/btcutil"
    "github.com/lbryio/lbry.go/v2/extras/errors"
)

/* WILL NEED FOR FUTURE TESTS
func getClaimSupportPayoutScript(name, claimid string, address btcutil.Address) ([]byte, error) {
    //OP_SUPPORT_CLAIM <name> <claimid> OP_2DROP OP_DROP OP_DUP OP_HASH160 <address> OP_EQUALVERIFY OP_CHECKSIG

    pkscript, err := txscript.PayToAddrScript(address)
    if err != nil {
        return nil, errors.Err(err)
    }

    bytes, err := hex.DecodeString(claimid)
    if err != nil {
        return nil, errors.Err(err)
    }

    return txscript.NewScriptBuilder().
        AddOp(txscript.OP_NOP7).      //OP_SUPPORT_CLAIM
        AddData([]byte(name)).        //<name>
        AddData(util.ReverseBytes(bytes)). //<claimid>
        AddOp(txscript.OP_2DROP).     //OP_2DROP
        AddOp(txscript.OP_DROP).      //OP_DROP
        AddOps(pkscript).             //OP_DUP OP_HASH160 <address> OP_EQUALVERIFY OP_CHECKSIG
        Script()

}*/

func getClaimNamePayoutScript(name string, value []byte, address btcutil.Address) ([]byte, error) {
    //OP_CLAIM_NAME <name> <value> OP_2DROP OP_DROP OP_DUP OP_HASH160 <address> OP_EQUALVERIFY OP_CHECKSIG

    pkscript, err := txscript.PayToAddrScript(address)
    if err != nil {
        return nil, errors.Err(err)
    }

    return txscript.NewScriptBuilder().
        AddOp(txscript.OP_NOP6).  //OP_SUPPORT_CLAIM
        AddData([]byte(name)).    //<name>
        AddData(value).           //<value>
        AddOp(txscript.OP_2DROP). //OP_2DROP
        AddOp(txscript.OP_DROP).  //OP_DROP
        AddOps(pkscript).         //OP_DUP OP_HASH160 <address> OP_EQUALVERIFY OP_CHECKSIG
        Script()
}