Payment examples?

deagol · July 2, 2020, 4:27am

Hi can anyone point me to a simple payment example? e.g. sending DFN to a canister.

cryptoschindler · July 2, 2020, 7:10am

hey @deagol, the native tokens haven’t been included into the sdk yet. but you could look at this

enzo · July 25, 2020, 1:48am

If you’re looking for a minimalistic token payment example, then checkout: https://github.com/enzoh/motoko-token

bitcodernull · October 9, 2020, 10:46am

where can i find a document about how to Integration with wallet

Ori · October 9, 2020, 12:05pm

Hi bitcodernull, further info and documentation for managing ICP tokens, cycles, and charging canisters etc. will all follow soon. There will likely be some announcements on this so we’ll keep you posted.

enzo · October 9, 2020, 4:07pm

There are some primitives provided in the Rust CDK, but they aren’t very well documented at this point.

github.com

dfinity/cdk-rs/blob/52cbe09c4311abf697c4026adea22b2258cfb1db/src/ic-cdk/src/api/call.rs#L153


pub async fn call<T: ArgumentEncoder, R: for<'a> ArgumentDecoder<'a>>(
    id: Principal,
    method: &str,
    args: T,
) -> CallResult<R> {
    let args_raw = encode_args(args).expect("Failed to encode arguments.");
    let bytes = call_raw(id, method, args_raw, 0).await?;
    decode_args(&bytes).map_err(|err| trap(&format!("{:?}", err)))
}

pub async fn call_with_payment<T: ArgumentEncoder, R: for<'a> ArgumentDecoder<'a>>(
    id: Principal,
    method: &str,
    args: T,
    cycles: i64,
) -> CallResult<R> {
    let args_raw = encode_args(args).expect("Failed to encode arguments.");
    let bytes = call_raw(id, method, args_raw, cycles).await?;
    decode_args(&bytes).map_err(|err| trap(&format!("{:?}", err)))
}