mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-24 12:37:16 +00:00
37 lines
1000 B
Go
37 lines
1000 B
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/erigon/common"
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"github.com/ledgerwatch/erigon/core/state"
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"github.com/ledgerwatch/erigon/core/systemcontracts"
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"github.com/ledgerwatch/erigon/rpc"
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"github.com/ledgerwatch/erigon/turbo/rpchelper"
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)
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func (api *OtterscanAPIImpl) HasCode(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (bool, error) {
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tx, err := api.db.BeginRo(ctx)
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if err != nil {
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return false, fmt.Errorf("hasCode cannot open tx: %w", err)
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}
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defer tx.Rollback()
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blockNumber, _, _, err := rpchelper.GetBlockNumber(blockNrOrHash, tx, api.filters)
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if err != nil {
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return false, err
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}
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chainConfig, err := api.chainConfig(tx)
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if err != nil {
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return false, err
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}
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reader := state.NewPlainState(tx, blockNumber, systemcontracts.SystemContractCodeLookup[chainConfig.ChainName])
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acc, err := reader.ReadAccountData(address)
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if acc == nil || err != nil {
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return false, err
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}
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return !acc.IsEmptyCodeHash(), nil
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}
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