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PaperFrog
  • Member for 2 years, 2 months
  • Last seen more than a month ago
7 votes
2 answers
273 views

Is there any Java SDK or library for interacting with Substrate nodes?

5 votes
2 answers
824 views

How to decode extrinsic at json-RPC call's data(byte code)

5 votes
1 answer
145 views

What is the difference between Metadata and FRAME-Metadata?

4 votes
2 answers
138 views

Can the metadata of Polkadot change?

4 votes
1 answer
90 views

Is there a way to find out the appropriate fee when generate tx?

3 votes
1 answer
85 views

Is there a way to know what event it is without decoding the encoded extinsisc?

2 votes
1 answer
72 views

How to make TransferAll transaction with txwrapper?

2 votes
1 answer
64 views

Wasmi is not related to the polkadot or substrate?

2 votes
3 answers
155 views

What is the difference between check_extrinsic and uncheck_extrinsic?

1 vote
1 answer
124 views

How to solve 'Invalid transaction version'?

0 votes
1 answer
31 views

Can I transfer the balance to the same address on Polkadot?