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Top Questions

1 vote
0 answers
20 views

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

-3 votes
0 answers
29 views

Substrate v3.0 Compilation Error when requesting modules from workspace

2 votes
0 answers
11 views

What's the best practice to do the tests before runtime upgrade?

2 votes
1 answer
14 views

How to use subxt to query for an historical event

0 votes
2 answers
13 views

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

1 vote
1 answer
18 views

Scale codec f64 support

1 vote
0 answers
21 views

Transaction pool extrinsic prioritization

1 vote
1 answer
24 views

Substrate - Generating Transaction History of a Wallet

0 votes
1 answer
18 views

Is there a way to collect fee of transaction?

4 votes
1 answer
153 views

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

0 votes
1 answer
18 views

Can I add a base fee per extrinsic?

3 votes
1 answer
21 views

Build Issues when implementing PSP22 token standard for ink! contract

0 votes
0 answers
12 views

Grafana Dashboard not populating the basic node metrics data

1 vote
1 answer
27 views

Substrate Node v3.0 getrandom Compilation error

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
0 answers
12 views

How can the Substrate staking pallet be used in a parachain?

0 votes
0 answers
27 views

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

0 votes
1 answer
29 views

Outdated contract-api documentation

0 votes
0 answers
18 views

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

4 votes
0 answers
26 views

Is the WASM blob created from ink! contract always deterministic

-1 votes
0 answers
14 views

Using Graph with Substrate

1 vote
0 answers
18 views

Compact SCALE decoding

0 votes
1 answer
24 views

JSON-RPC method not found. code:-32601

0 votes
2 answers
27 views

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

0 votes
1 answer
14 views

What is the GitHub address of Java polkaj v.4.0.0? Is there a friend who can tell me?

2 votes
3 answers
100 views

Cargo contract 3.0.1

0 votes
1 answer
11 views

At this point in time will one version of the metadata decode all blocks from genesis to the latest on a single parachain?

1 vote
1 answer
12 views

Is Substrate actively published on crates.io

1 vote
1 answer
31 views

how to confirm payment from specific address?

1 vote
0 answers
31 views

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

0 votes
0 answers
33 views

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

0 votes
1 answer
16 views

Cannot install subkey 3.0

0 votes
0 answers
21 views

Guidelines for Substrate based standalone blockchain with POS consensus

1 vote
1 answer
30 views

How to get a percent portion of a balance?

1 vote
3 answers
40 views

Get "Contract.ContractTrapped" error in Shibuya wasm

0 votes
1 answer
26 views

Parity signer fails to sign transaction with polkadot.js

-1 votes
1 answer
21 views

Help my polkadot-local test chain stops producing blocks

-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]

1 vote
3 answers
77 views

How to use the scale decoder to parse extrinsics?

0 votes
2 answers
18 views

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

1 vote
1 answer
20 views

How can I increase the validators with polkadot-local

4 votes
1 answer
42 views

cargo-contract throws on a valid WS URl

0 votes
0 answers
28 views

Contract out of gas on deployment

0 votes
1 answer
36 views

ink! tutorial: substrate-contracts-node build fails

2 votes
1 answer
44 views

Is it possible to have multiple GRANDPA Pause/Resume for one fork?

0 votes
1 answer
16 views

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

2 votes
1 answer
29 views

How to add labels to a pull request on substrate

0 votes
1 answer
31 views

Computer freezes when compiling substrate


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