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ee488020dd
* Auto detect latest block for optimal use of plain state and state cache * Fix lint * Fix test Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro.local>
40 lines
1.1 KiB
Go
40 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/erigon/common"
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"github.com/ledgerwatch/erigon/common/hexutil"
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"github.com/ledgerwatch/erigon/rpc"
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"github.com/ledgerwatch/erigon/turbo/adapter"
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"github.com/ledgerwatch/erigon/turbo/rpchelper"
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)
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// GetCode implements starknet_getCode. Returns the byte code at a given address (if it's a smart contract).
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func (api *StarknetImpl) GetCode(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
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tx, err1 := api.db.BeginRo(ctx)
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if err1 != nil {
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return nil, fmt.Errorf("getCode cannot open tx: %w", err1)
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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 nil, err
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}
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reader := adapter.NewStateReader(tx, blockNumber)
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acc, err := reader.ReadAccountData(address)
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if acc == nil || err != nil {
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return hexutil.Bytes(""), nil
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}
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res, err := reader.ReadAccountCode(address, acc.Incarnation, acc.CodeHash)
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if res == nil || err != nil {
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return hexutil.Bytes(""), nil
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}
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if res == nil {
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return hexutil.Bytes(""), nil
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}
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return res, nil
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}
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