kaspad/cmd/addsubnetwork/registrytx.go
Dan Aharoni 1f35378a4d [NOD-386] Extract net parsing functionality to a shared place. (#453)
* [NOD-386] Extract net parsing functionality to a shared place.

* [NOD-386] Add extract ActiveNetParams to cmdconfig

* [NOD-386] Adding comments so go-vet won't shout at me

* [NOD-386] Rename package name to config

* [NOD-386] Rename commandConfig to configFlags

* [NOD-386] Rename function to ResolveNetwork

* [NOD-386] Fix renaming errors

* [NOD-386] Refactor network config to btcd level so APIserver and btcd could use it

* [NOD-386] Refactor network config to config package

* [NOD-386] Move ActiveNetParams to network section

* [NOD-386] Explictly return nil

* [NOD-386] Reuse activeNetParams from netwrok config

* [NOD-386] Set ActiveNetworkFlags instance to be global

* [NOD-386] Remove redundant newline

* [NOD-386] Init ActiveNetParams in address manager test

* [NOD-386] Add dnsseeder network config

* [NOD-386] Use ActiveConfig() method to access configuration
2019-11-12 10:51:36 +02:00

30 lines
1009 B
Go

package main
import (
"github.com/daglabs/btcd/btcec"
"github.com/daglabs/btcd/txscript"
"github.com/daglabs/btcd/wire"
"github.com/pkg/errors"
)
func buildSubnetworkRegistryTx(cfg *ConfigFlags, fundingOutpoint *wire.Outpoint, fundingTx *wire.MsgTx, privateKey *btcec.PrivateKey) (*wire.MsgTx, error) {
txIn := &wire.TxIn{
PreviousOutpoint: *fundingOutpoint,
Sequence: wire.MaxTxInSequenceNum,
}
txOut := &wire.TxOut{
ScriptPubKey: fundingTx.TxOut[fundingOutpoint.Index].ScriptPubKey,
Value: fundingTx.TxOut[fundingOutpoint.Index].Value - cfg.RegistryTxFee,
}
registryTx := wire.NewRegistryMsgTx(1, []*wire.TxIn{txIn}, []*wire.TxOut{txOut}, cfg.GasLimit)
SignatureScript, err := txscript.SignatureScript(registryTx, 0, fundingTx.TxOut[fundingOutpoint.Index].ScriptPubKey,
txscript.SigHashAll, privateKey, true)
if err != nil {
return nil, errors.Errorf("failed to build signature script: %s", err)
}
txIn.SignatureScript = SignatureScript
return registryTx, nil
}