32 lines
845 B
Plaintext
32 lines
845 B
Plaintext
use aiken/dict
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use aiken/list.{find, foldr}
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use aiken/transaction.{Input,
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OutputReference, ScriptContext, Spend, Transaction} as tx
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use aiken/transaction/value.{add, zero}
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type Action {
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Mint
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Burn
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}
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validator(token_name: ByteArray, utxo_ref: OutputReference) {
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fn gift_card(rdmr: Action, ctx: ScriptContext) -> Bool {
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let ScriptContext { transaction, purpose } = ctx
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expect tx.Mint(policy_id) = purpose
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let Transaction { inputs, mint, .. } = transaction
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expect [Pair(asset_name, amount)] =
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mint
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|> value.from_minted_value
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|> value.tokens(policy_id)
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|> dict.to_pairs()
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when rdmr is {
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Mint -> {
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expect
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list.any(inputs, fn(input) { input.output_reference == utxo_ref })
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amount == 1 && asset_name == token_name
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}
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Burn -> todo @"burn"
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}
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}
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}
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