Split the verification that needs CommonParams and doesn't need it #1546
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It depends on #1545 |
Merged
majecty
reviewed
May 20, 2019
rpc/src/v1/impls/chain.rs
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| fn get_min_transaction_fee(&self, action_type: String, block_number: u64) -> Result<Option<u64>> { | ||
| if let Some(common_parameters) = self.client.common_params(Some(block_number)) { | ||
| if let Some(common_parameters) = self.client.common_params(block_number.into()) { |
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Should we use parent's block common params?
If the RPC's caller wants to fee to creates transactions in the next block, the current implementation is OK.
However, if the RPC's caller wants to check the block's min_fee to verify the block, we should use the previous block's common params.
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I made it use the parameters of the parent block.
HoOngEe
reviewed
May 20, 2019
foriequal0
requested changes
May 20, 2019
…t block Currently, CommonParams is immutable, but the next patch will make it changeable. So we need to check it on the parent states.
After introducing ChangeParams, common_params should return None, when the block is not executed yet.
Currently, CodeChainMachine manages the CommonParams, but it's fragile on reogranization. This patch makes CodeChainMachine has only the genesis parameters and the engine read the parameters from states.
foriequal0
approved these changes
May 21, 2019
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It's to ready the ChangeParams.
The current code assumes that the CommonParams are immutable.