51 lines
1.2 KiB
Plaintext
51 lines
1.2 KiB
Plaintext
use aiken/dict
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use aiken/list
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use aiken/transaction.{OutputReference, ScriptContext, Transaction} as tx
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use aiken/transaction/value
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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 [(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_list()
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when rdmr is {
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Mint -> {
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expect Some(_input) =
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list.find(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 -> amount == -1 && asset_name == token_name
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}
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}
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}
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validator(token_name: ByteArray, policy_id: ByteArray) {
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fn redeem(_d: Data, _r: Data, ctx: ScriptContext) -> Bool {
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let ScriptContext { transaction, .. } = ctx
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let Transaction { mint, .. } = transaction
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expect [(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_list()
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amount == -1 && asset_name == token_name
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}
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}
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