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broadcast_success.go
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/
broadcast_success.go
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/*
*/
package btc
import (
"encoding/json"
"fmt"
"github.com/tendermint/tendermint/libs/kv"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/pkg/errors"
"github.com/Oneledger/protocol/data/bitcoin"
"github.com/Oneledger/protocol/action"
)
type BroadcastSuccess struct {
TrackerName string
ValidatorAddress action.Address
BTCTxID chainhash.Hash
}
func (b *BroadcastSuccess) Signers() []action.Address {
return []action.Address{
b.ValidatorAddress,
}
}
func (b *BroadcastSuccess) Type() action.Type {
return action.BTC_BROADCAST_SUCCESS
}
func (b *BroadcastSuccess) Tags() kv.Pairs {
tags := make([]kv.Pair, 0)
tag := kv.Pair{
Key: []byte("tx.type"),
Value: []byte(b.Type().String()),
}
tag2 := kv.Pair{
Key: []byte("tx.validator"),
Value: []byte(b.ValidatorAddress.String()),
}
tag3 := kv.Pair{
Key: []byte("tx.tracker_name"),
Value: []byte(b.TrackerName),
}
tags = append(tags, tag, tag2, tag3)
return tags
}
func (b *BroadcastSuccess) Marshal() ([]byte, error) {
return json.Marshal(b)
}
func (b *BroadcastSuccess) Unmarshal(data []byte) error {
return json.Unmarshal(data, b)
}
type btcBroadcastSuccessTx struct {
}
func (b *btcBroadcastSuccessTx) Validate(ctx *action.Context, signedTx action.SignedTx) (bool, error) {
broadcastSuccess := BroadcastSuccess{}
err := broadcastSuccess.Unmarshal(signedTx.Data)
if err != nil {
return false, errors.Wrap(action.ErrWrongTxType, err.Error())
}
err = action.ValidateBasic(signedTx.RawBytes(), broadcastSuccess.Signers(), signedTx.Signatures)
if err != nil {
return false, err
}
if !ctx.Validators.IsValidatorAddress(broadcastSuccess.ValidatorAddress) {
return false, errors.New("only validator can report a broadcast")
}
tracker, err := ctx.BTCTrackers.Get(broadcastSuccess.TrackerName)
if err != nil {
return false, err
}
if tracker.State != bitcoin.BusyBroadcasting {
return false, errors.New("tracker not broadcasting")
}
return true, nil
}
func (b *btcBroadcastSuccessTx) ProcessCheck(ctx *action.Context, tx action.RawTx) (bool, action.Response) {
return b.process(ctx, tx)
}
func (b *btcBroadcastSuccessTx) ProcessDeliver(ctx *action.Context, tx action.RawTx) (bool, action.Response) {
return b.process(ctx, tx)
}
func (b *btcBroadcastSuccessTx) ProcessFee(ctx *action.Context, signedTx action.SignedTx, start action.Gas, size action.Gas, gasUsed action.Gas) (bool, action.Response) {
return true, action.Response{}
}
func (b *btcBroadcastSuccessTx) process(ctx *action.Context, tx action.RawTx) (bool, action.Response) {
broadcastSuccess := BroadcastSuccess{}
err := broadcastSuccess.Unmarshal(tx.Data)
if err != nil {
return false, action.Response{Log: "wrong tx type"}
}
if !ctx.Validators.IsValidatorAddress(broadcastSuccess.ValidatorAddress) {
return false, action.Response{Log: "broadcast reporter not found in validator list"}
}
tracker, err := ctx.BTCTrackers.Get(broadcastSuccess.TrackerName)
if err != nil {
return false, action.Response{Log: fmt.Sprintf("tracker not found: %s", broadcastSuccess.TrackerName)}
}
if tracker.State != bitcoin.BusyBroadcasting {
return false, action.Response{Log: fmt.Sprintf("tracker not broadcasting: ", broadcastSuccess.TrackerName)}
}
tracker.ProcessTxId = &broadcastSuccess.BTCTxID
tracker.State = bitcoin.BusyScheduleFinalizing
fmt.Println(tracker.ProcessTxId)
err = ctx.BTCTrackers.SetTracker(broadcastSuccess.TrackerName, tracker)
if err != nil {
return false, action.Response{Log: fmt.Sprintf("error updating tracker store: %s, error: ", broadcastSuccess.TrackerName, err)}
}
return true, action.Response{
Events: action.GetEvent(broadcastSuccess.Tags(), "btc_broadcast_success"),
}
}