40 lines
1.3 KiB
Nim
40 lines
1.3 KiB
Nim
# Nimbus
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# Copyright (c) 2022 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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import
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stew/results,
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../common/common
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{.push raises: [].}
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# https://eips.ethereum.org/EIPS/eip-4895
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proc validateWithdrawals*(
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com: CommonRef, header: BlockHeader, body: BlockBody
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): Result[void, string] =
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if com.forkGTE(Shanghai):
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if header.withdrawalsRoot.isNone:
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return err("Post-Shanghai block header must have withdrawalsRoot")
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elif body.withdrawals.isNone:
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return err("Post-Shanghai block body must have withdrawals")
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else:
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try:
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if body.withdrawals.get.calcWithdrawalsRoot != header.withdrawalsRoot.get:
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return err("Mismatched withdrawalsRoot blockNumber =" & $header.blockNumber)
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except RlpError as ex:
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return err(ex.msg)
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else:
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if header.withdrawalsRoot.isSome:
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return err("Pre-Shanghai block header must not have withdrawalsRoot")
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elif body.withdrawals.isSome:
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return err("Pre-Shanghai block body must not have withdrawals")
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return ok()
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