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https://gitlab.com/pulsechaincom/erigon-pulse.git
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77a4b3305d
* ReadBlockByNumber and ReadChainConfig return error * Let's make rawdb package to return error. But by small steps. High-level methods need to move first: ReadBlockByNumber ReadChainConfig ReadBlockByHash ReadHeaderByHash WriteChainConfig WriteDatabaseVersion WriteBlock DeleteTd WriteTd ReadTd
47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
package commands
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import (
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"context"
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"fmt"
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"github.com/ledgerwatch/turbo-geth/common"
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"github.com/ledgerwatch/turbo-geth/core/rawdb"
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"github.com/ledgerwatch/turbo-geth/core/types"
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"github.com/ledgerwatch/turbo-geth/rpc"
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)
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// GetHeaderByNumber returns a block's header by number
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func (api *TgImpl) GetHeaderByNumber(ctx context.Context, blockNumber rpc.BlockNumber) (*types.Header, error) {
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tx, err := api.db.Begin(ctx, nil, false)
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if err != nil {
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return nil, err
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}
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defer tx.Rollback()
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header := rawdb.ReadHeaderByNumber(tx, uint64(blockNumber.Int64()))
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if header == nil {
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return nil, fmt.Errorf("block header not found: %d", blockNumber.Int64())
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}
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return header, nil
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}
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// GetHeaderByHash returns a block's header by hash
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func (api *TgImpl) GetHeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
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tx, err := api.db.Begin(ctx, nil, false)
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if err != nil {
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return nil, err
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}
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defer tx.Rollback()
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header, err := rawdb.ReadHeaderByHash(tx, hash)
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if err != nil {
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return nil, err
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}
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if header == nil {
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return nil, fmt.Errorf("block header not found: %s", hash.String())
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}
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return header, nil
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}
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