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