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Top Questions

4 votes
1 answer
153 views

Why not `mem::drop(self)` here?

3 votes
2 answers
107 views

Events in Polkadot.js/api

2 votes
1 answer
57 views

Browse events in Polkadot.js/api

0 votes
1 answer
29 views

Outdated contract-api documentation

1 vote
1 answer
30 views

How to get a percent portion of a balance?

2 votes
1 answer
29 views

How to add labels to a pull request on substrate

1 vote
3 answers
40 views

Get "Contract.ContractTrapped" error in Shibuya wasm

1 vote
1 answer
31 views

how to confirm payment from specific address?

0 votes
2 answers
27 views

parity_scale_codec::Encode is not implemented for ink_storage::Mapping<u32, [u8; 32]>

0 votes
1 answer
26 views

Get Transaction by Hash

0 votes
1 answer
26 views

Parity signer fails to sign transaction with polkadot.js

0 votes
1 answer
31 views

Computer freezes when compiling substrate

1 vote
1 answer
24 views

Substrate - Generating Transaction History of a Wallet

0 votes
1 answer
36 views

ink! tutorial: substrate-contracts-node build fails

1 vote
1 answer
27 views

Substrate Node v3.0 getrandom Compilation error

3 votes
1 answer
21 views

Build Issues when implementing PSP22 token standard for ink! contract

0 votes
0 answers
33 views

Empty address in api.query.system.account in Polkadot.js/api

1 vote
2 answers
31 views

Problems With `app_crypto!` Macro

1 vote
0 answers
31 views

What is the best way to make a cross contract call on Ink!

0 votes
1 answer
24 views

JSON-RPC method not found. code:-32601

1 vote
1 answer
18 views

Scale codec f64 support

1 vote
1 answer
23 views

get bonded balance using API

-2 votes
0 answers
29 views

Substrate v3.0 Compilation Error when requesting modules from workspace

0 votes
0 answers
28 views

Contract out of gas on deployment

0 votes
0 answers
27 views

Would it be possible to run solochain and parachain from single code base?

0 votes
1 answer
21 views

Get value *AND KEY* from iter_prefix_values

0 votes
1 answer
21 views

Do I need to write migration script if upstream pallet's storage has been changed?

4 votes
0 answers
26 views

Is the WASM blob created from ink! contract always deterministic

1 vote
1 answer
20 views

How can I increase the validators with polkadot-local

1 vote
1 answer
24 views

Error reading Prometheus: Post "https://localhost:9090/api/v1/query": dial tcp [::1]:9090: connect: connection refused [closed]

0 votes
1 answer
18 views

Can I add a base fee per extrinsic?

0 votes
2 answers
18 views

"error: failed to select a version for `parity-util-mem`"

1 vote
0 answers
22 views

Getting Bad origin error in execution of the proposal?

0 votes
2 answers
13 views

How can I query how many decimal places does a Substrate asset have?

-1 votes
1 answer
21 views

Help my polkadot-local test chain stops producing blocks

0 votes
0 answers
21 views

Guidelines for Substrate based standalone blockchain with POS consensus

1 vote
0 answers
21 views

Transaction pool extrinsic prioritization

0 votes
1 answer
16 views

error[E0512]: cannot transmute between types of different sizes, or dependently-sized types

0 votes
1 answer
16 views

Cannot install subkey 3.0

1 vote
0 answers
20 views

cargo contract throws error about supplied arguments in ` #[ink(constructor)]` for version 3.0.1

1 vote
0 answers
18 views

Compact SCALE decoding

0 votes
0 answers
18 views

How to receive input for mocked ink_env::test::ChainExtension

0 votes
1 answer
18 views

Is there a way to collect fee of transaction?

2 votes
1 answer
14 views

How to use subxt to query for an historical event

0 votes
0 answers
17 views

kubernetes public node behind dns & load balancer

1 vote
1 answer
13 views

Is there a way to cap the amount of weight that a type of extrinsic can consume in a block?

1 vote
1 answer
16 views

Substrate-Archive, workaround for MAC?

-2 votes
0 answers
15 views

How to use the scale decoder to parse extrinsics?Obtain the result of block time and parity ratio transaction [duplicate]


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