mirror of https://github.com/status-im/nim-eth.git
30 lines
790 B
Nim
30 lines
790 B
Nim
# eth
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# Copyright (c) 2024 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import ../rlp
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import writer
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import pkg/results
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export
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rlp, results
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proc append*[T](w: var RlpWriter, val: Opt[T]) =
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mixin append
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if val.isSome:
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w.append(val.get())
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else:
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w.append("")
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proc read*[T](rlp: var Rlp, val: var Opt[T]) {.raises: [RlpError].} =
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mixin read
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if rlp.blobLen != 0:
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val = Opt.some(rlp.read(T))
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else:
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rlp.skipElem
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