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Results tagged with ink
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user 258
eDSL to write smart contracts in Rust for blockchains built on the Substrate framework
0
votes
Is there a way to instantiate a wasm contract code?
Seems you are trying to make a cross contract call.
You can look at this question to take a cue on the best way to achieve this.
You can also make a low-level cross contract call using the build_call …
- 429
3
votes
1
answer
110
views
Build Issues when implementing PSP22 token standard for ink! contract
I am trying to implement the PSP22 token standard but getting errors when building my contract.
The errors are:
#[brush::contract]
| ^^^^^^^^^^^^^^^^^^ use of undeclared crate or module psp22metadata_ …
- 429
4
votes
Accepted
Build Issues when implementing PSP22 token standard for ink! contract
Turns out i was missing a features flag on my brush dependency. This solved it for me:
brush = { tag = "v1.6.1", git = "https://github.com/Supercolony-net/openbrush-contracts", default-features = fals …
- 429
3
votes
1
answer
242
views
How can I determine the native Balance of an Account/Address in Ink!
One can know the contract's native balance by using ink_env::balance()
But, How can one know the native balance of a particular address/account in ink? …
- 429
0
votes
1
answer
38
views
How to run multiple Integration tests at once in Redspot Ink!
I am currently writing integration tests for my contracts using redspot, I can't seem to run all my integration tests at once, I can only run integration test by using the keyword it.only. Anytime I t …
- 429
4
votes
1
answer
43
views
How can i query pallet contract to give the Scale codec value of a Contract Root Storage Key
According to ink!:
"Storage data is always encoded with the SCALE codec. …
- 429
5
votes
1
answer
277
views
What is the best way to make a cross contract call on Ink!
I found 2 ways to make cross contract calls on ink!.
The first is in this link here where another contract is called directly,
The second is in this link here where a reference(ref) is being used. …
- 429
1
vote
1
answer
128
views
ink_env::ecdsa_recover is not returning the right public key
I am having an issue trying to verify ecdsa signature in ink! for my
test. …
- 429
2
votes
Accepted
ink_env::ecdsa_recover is not returning the right public key
So I figured the signature creation in polkadotJS is to receive the raw data and not the hash.
More so, I had to generate the public key this way:
const mnemonic = mnemonicGenerate();
const keyring = …
- 429