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18 lines
411 B

package com.xsn.explorer.models
class TransactionId private (val string: String) extends AnyVal
object TransactionId {
private val pattern = "^[a-f0-9]{64}$".r.pattern
def from(string: String): Option[TransactionId] = {
val lowercaseString = string.toLowerCase
if (pattern.matcher(lowercaseString).matches()) {
Some(new TransactionId(lowercaseString))
} else {
None
}
}
}