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block.go
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block.go
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// Copyright (C) 2019-2023, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package execute
import (
"context"
"errors"
"github.com/ava-labs/avalanchego/database"
"github.com/ava-labs/avalanchego/snow"
"github.com/ava-labs/avalanchego/vms/example/xsvm/state"
smblock "github.com/ava-labs/avalanchego/snow/engine/snowman/block"
xsblock "github.com/ava-labs/avalanchego/vms/example/xsvm/block"
)
var errNoTxs = errors.New("no transactions")
func Block(
ctx context.Context,
chainContext *snow.Context,
db database.KeyValueReaderWriterDeleter,
skipVerify bool,
blockContext *smblock.Context,
blk *xsblock.Stateless,
) error {
if len(blk.Txs) == 0 {
return errNoTxs
}
for _, currentTx := range blk.Txs {
txID, err := currentTx.ID()
if err != nil {
return err
}
sender, err := currentTx.SenderID()
if err != nil {
return err
}
txExecutor := Tx{
Context: ctx,
ChainContext: chainContext,
Database: db,
SkipVerify: skipVerify,
BlockContext: blockContext,
TxID: txID,
Sender: sender,
// TODO: populate fees
}
if err := currentTx.Unsigned.Visit(&txExecutor); err != nil {
return err
}
}
blkID, err := blk.ID()
if err != nil {
return err
}
if err := state.SetLastAccepted(db, blkID); err != nil {
return err
}
blkBytes, err := xsblock.Codec.Marshal(xsblock.Version, blk)
if err != nil {
return err
}
return state.AddBlock(db, blk.Height, blkID, blkBytes)
}