web3.js: add Connection.getFeeForMessage

[fanatid]

Closes #20100

Not sure that we should check the node version before making the request as Rust client do, I think it's ok if the request fails.

solana/client/src/rpc_client.rs

Lines 4799 to 4818 in bb97c8f

	pub fn get_fee_for_message(&self, message: &Message) -> ClientResult<u64> {
	if self.get_node_version()? < semver::Version::new(1, 9, 0) {
	let fee_calculator = self
	.get_fee_calculator_for_blockhash(&message.recent_blockhash)?
	.ok_or_else(|| ClientErrorKind::Custom("Invalid blockhash".to_string()))?;
	Ok(fee_calculator
	.lamports_per_signature
	.saturating_mul(message.header.num_required_signatures as u64))
	} else {
	let serialized_encoded =
	serialize_and_encode::<Message>(message, UiTransactionEncoding::Base64)?;
	let result = self.send::<Response<Option<u64>>>(
	RpcRequest::GetFeeForMessage,
	json!([serialized_encoded, self.commitment()]),
	)?;
	result
	.value
	.ok_or_else(|| ClientErrorKind::Custom("Invalid blockhash".to_string()).into())
	}
	}

[stale]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.

[codecov]

Codecov Report

Merging #22128 (481eeb9) into master (bb97c8f) will decrease coverage by 11.2%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master   #22128       +/-   ##
===========================================
- Coverage    81.2%    70.0%    -11.3%     
===========================================
  Files         519       35      -484     
  Lines      145754     2093   -143661     
  Branches        0      301      +301     
===========================================
- Hits       118466     1466   -117000     
+ Misses      27288      523    -26765     
- Partials        0      104      +104     

Pull request has been modified.

[fanatid]

@jstarry thanks again 👍 these were stupid mistakes from me 🤦‍♂️

[jstarry]

@jstarry thanks again 👍 these were stupid mistakes from me 🤦‍♂️

no problem, thank you for the contribution!