49 lines
1.1 KiB
Plaintext
49 lines
1.1 KiB
Plaintext
use aiken/dict
|
|
use aiken/list
|
|
use aiken/transaction.{OutputReference, ScriptContext, Transaction} as tx
|
|
use aiken/transaction/value
|
|
|
|
type Action {
|
|
Mint
|
|
Burn
|
|
}
|
|
|
|
validator mint(token_name: ByteArray, utxo_ref: OutputReference) {
|
|
fn(rdmr: Action, ctx: ScriptContext) -> Bool {
|
|
let ScriptContext { transaction, purpose } = ctx
|
|
|
|
expect tx.Mint(policy_id) = purpose
|
|
|
|
let Transaction { inputs, mint, .. } = transaction
|
|
|
|
expect [(asset_name, amount)] =
|
|
mint
|
|
|> value.tokens(policy_id)
|
|
|> dict.to_list()
|
|
|
|
when rdmr is {
|
|
Mint -> {
|
|
expect Some(_input) =
|
|
list.find(inputs, fn(input) { input.output_reference == utxo_ref })
|
|
amount == 1 && asset_name == token_name
|
|
}
|
|
Burn -> amount == -1 && asset_name == token_name
|
|
}
|
|
}
|
|
}
|
|
|
|
validator lock(token_name: ByteArray, policy_id: ByteArray) {
|
|
fn(_d: Void, _r: Void, ctx: ScriptContext) -> Bool {
|
|
let ScriptContext { transaction, .. } = ctx
|
|
|
|
let Transaction { mint, .. } = transaction
|
|
|
|
expect [(asset_name, amount)] =
|
|
mint
|
|
|> value.tokens(policy_id)
|
|
|> dict.to_list()
|
|
|
|
amount == -1 && asset_name == token_name
|
|
}
|
|
}
|