Hello Community, We have some questions regarding Motoko and Canister. We are using Motoko to build a Canister that will be used to transfer ICRC-1 & 2 token from our canister to other principal id. However, we are stuck at the transfer stage after approval. Here’s the process: First, we are usi…

[image] Vivienne: Transfer: declaration says it takes a Nat and a Principal, but you construct an object with a amount and from. In Candid notation: expected: (nat, principal), you supply (record{amount: nat; to: principal}). The tuple is supposed to be 2 elements, but you give only 1, therefore…

For that I’ll ask some other people since this sounds like some ckBTC internal problem…

We would appreciate it if you could provide us with any updates regarding the issue we mentioned earlier. Our infrastructure and backend processes are in place; we just need a solution for the requested error. This will enable us to implement the proposed payment solution on ICP as soon as possible. …

[image] karangoraniya: I tried to trigger the transaction, but got error Unknown transfer error which i define in the code the same error i got while using direct in dfx UI The Ledger doesn’t not return any Unknown transfer error. Where does this error come from?

Initially, I used the ckBTC approve function on the frontend to authorized my canister to access a specific amount of funds. Subsequently, I integrated the ckBTC canister into my contract for fund transfer purposes. I encountered an error from my canister during this process, and the relevant code i…

[image] karangoraniya: I encountered an error from my canister during this process, and the relevant code is available in my GitHub repository here . It’s difficult to help without knowing the exact error. Can you change ckBTC-icp/src/fortune_cookie_backend/main.mo at 118d038fab05d256b9982b07…

There is an example of how to use the approve / transfer_from flow with a canister here .

Okay, I have updated the code to print errors like this: case (#Err(error)) { let errorMessage = switch (error) { case (#BadFee(_)) { "Bad fee" }; case (#InsufficientFunds(_)) { "Insufficient funds" }; case (#GenericErr…

This will deduct ICRC1 tokens from the canister, correct? Not from the user’s wallet.

ckBTC Transfer from Canister After Approval

Developers

cryptoschindler April 11, 2024, 2:58pm 25

No, the canister has been approved to transfer funds from the users wallet.

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ckBTC Transfer from Canister After Approval

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