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unlock_conditions.rs
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unlock_conditions.rs
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// Copyright 2023 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0
//! In this example we will build outputs with all possible unlock conditions.
//!
//! Rename `.env.example` to `.env` first, then run the command:
//! ```sh
//! cargo run --release --all-features --example output_unlock_conditions
//! ```
use iota_sdk::{
client::{Client, Result},
types::block::{
address::Address,
output::{
dto::OutputDto,
unlock_condition::{
AddressUnlockCondition, ExpirationUnlockCondition, GovernorAddressUnlockCondition,
ImmutableAliasAddressUnlockCondition, StateControllerAddressUnlockCondition,
StorageDepositReturnUnlockCondition, TimelockUnlockCondition,
},
AliasId, AliasOutputBuilder, BasicOutputBuilder, FoundryOutputBuilder, SimpleTokenScheme, TokenScheme,
},
},
};
#[tokio::main]
async fn main() -> Result<()> {
// This example uses secrets in environment variables for simplicity which should not be done in production.
dotenvy::dotenv().ok();
for var in ["NODE_URL"] {
std::env::var(var).expect(&format!(".env variable '{var}' is undefined, see .env.example"));
}
let node_url = std::env::var("NODE_URL").unwrap();
// Create a client instance.
let client = Client::builder().with_node(&node_url)?.finish().await?;
let token_supply = client.get_token_supply().await?;
let rent_structure = client.get_rent_structure().await?;
let address = Address::try_from_bech32("rms1qpllaj0pyveqfkwxmnngz2c488hfdtmfrj3wfkgxtk4gtyrax0jaxzt70zy")?;
let alias_address = Address::try_from_bech32("rms1pr59qm43mjtvhcajfmupqf23x29llam88yecn6pyul80rx099krmv2fnnux")?;
let token_scheme = TokenScheme::Simple(SimpleTokenScheme::new(50, 0, 100)?);
let basic_output_builder = BasicOutputBuilder::new_with_minimum_storage_deposit(rent_structure)
.add_unlock_condition(AddressUnlockCondition::new(address));
let alias_output_builder = AliasOutputBuilder::new_with_minimum_storage_deposit(rent_structure, AliasId::null());
let foundry_output_builder =
FoundryOutputBuilder::new_with_minimum_storage_deposit(rent_structure, 1, token_scheme);
let outputs = [
//// most simple output
basic_output_builder.clone().finish_output(token_supply)?,
// with storage deposit return unlock condition
basic_output_builder
.clone()
.add_unlock_condition(StorageDepositReturnUnlockCondition::new(
address,
1000000,
token_supply,
)?)
.finish_output(token_supply)?,
// with timeout unlock condition
basic_output_builder
.clone()
.add_unlock_condition(TimelockUnlockCondition::new(1)?)
.finish_output(token_supply)?,
// with expiration unlock condition
basic_output_builder
.add_unlock_condition(ExpirationUnlockCondition::new(address, 1)?)
.finish_output(token_supply)?,
// with governor and state controller unlock condition
alias_output_builder
.add_unlock_condition(GovernorAddressUnlockCondition::new(address))
.add_unlock_condition(StateControllerAddressUnlockCondition::new(address))
.finish_output(token_supply)?,
// with immutable alias unlock condition
foundry_output_builder
.add_unlock_condition(ImmutableAliasAddressUnlockCondition::new(*alias_address.as_alias()))
.finish_output(token_supply)?,
];
// Convert output array to json array
let json_outputs = serde_json::to_string_pretty(&outputs.iter().map(OutputDto::from).collect::<Vec<OutputDto>>())?;
println!("{json_outputs}");
Ok(())
}