46 lines
1.8 KiB
Nim
46 lines
1.8 KiB
Nim
# Nimbus
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# Copyright (c) 2018 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 http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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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
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strformat,
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errors, constants, eth/common
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proc validateGte*(value: Int256 | int, minimum: int, title: string = "Value") =
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if value.i256 < minimum.i256:
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raise newException(ValidationError,
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&"{title} {value} is not greater than or equal to {minimum}")
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proc validateGt*(value: Int256 | int, minimum: int, title: string = "Value") =
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if value.i256 <= minimum.i256:
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raise newException(ValidationError,
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&"{title} {value} is not greater than {minimum}")
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proc validateLength*[T](values: seq[T], size: int) =
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if values.len != size:
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raise newException(ValidationError,
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&"seq expected {size} len, got {values.len}")
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proc validateLte*(value: UInt256 | int, maximum: int, title: string = "Value") =
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if value.u256 > maximum.u256:
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raise newException(ValidationError,
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&"{title} {value} is not less or equal to {maximum}")
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proc validateLt*(value: UInt256 | int, maximum: int, title: string = "Value") =
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if value.u256 >= maximum.u256:
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raise newException(ValidationError,
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&"{title} {value} is not less than {maximum}")
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proc validateStackItem*(value: string) =
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if value.len > 32:
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raise newException(ValidationError,
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&"Invalid stack item: expected 32 bytes, got {value.len}: value is {value}")
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proc validateStackItem*(value: openarray[byte]) =
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if value.len > 32:
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raise newException(ValidationError,
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&"Invalid stack item: expected 32 bytes, got {value.len}: value is {value}")
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