The core protocol of WoopChain
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woop/internal/hmyapi/util.go

58 lines
1.7 KiB

package hmyapi
import (
"context"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/harmony-one/harmony/core/types"
common2 "github.com/harmony-one/harmony/internal/common"
"github.com/harmony-one/harmony/internal/utils"
)
// defaultOffset is to have default pagination.
const (
defaultPageSize = 100
)
// ReturnWithPagination returns result with pagination (offset, page in TxHistoryArgs).
func ReturnWithPagination(hashes []common.Hash, args TxHistoryArgs) []common.Hash {
pageSize := defaultPageSize
pageIndex := args.PageIndex
if args.PageSize > 0 {
pageSize = args.PageSize
}
if pageSize*pageIndex >= len(hashes) {
return make([]common.Hash, 0)
}
if pageSize*pageIndex+pageSize > len(hashes) {
return hashes[pageSize*pageIndex:]
}
return hashes[pageSize*pageIndex : pageSize*pageIndex+pageSize]
}
// SubmitTransaction is a helper function that submits tx to txPool and logs a message.
func SubmitTransaction(ctx context.Context, b Backend, tx *types.Transaction) (common.Hash, error) {
if err := b.SendTx(ctx, tx); err != nil {
return common.Hash{}, err
}
if tx.To() == nil {
signer := types.MakeSigner(b.ChainConfig(), b.CurrentBlock().Epoch())
from, err := types.Sender(signer, tx)
if err != nil {
return common.Hash{}, err
}
addr := crypto.CreateAddress(from, tx.Nonce())
utils.Logger().Info().
Str("fullhash", tx.Hash().Hex()).
Str("contract", common2.MustAddressToBech32(addr)).
Msg("Submitted contract creation")
} else {
utils.Logger().Info().
Str("fullhash", tx.Hash().Hex()).
Str("recipient", tx.To().Hex()).
Msg("Submitted transaction")
}
return tx.Hash(), nil
}