Liquid staking sc #121
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Liquid staking sc #121
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Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
alyn509
requested changes
Sep 13, 2024
| @@ -0,0 +1,4 @@ | |||
| use multiversx_sc::imports::*; | |||
| { | ||
| #[init] | ||
| fn init(&self, delegation_address: ManagedAddress) { | ||
| require!( |
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better extract this into a function / endpoint add_delegation_contract. In the future you might have this contract working with more than 1 delegation contract.
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alright, in this case I will make the storage mapper to a UnorderedSetMapper
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Nevermind, this won't work, I created a SingleValueMapper with an index as contract_name
liquid-staking/src/delegation.rs
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| #[callback] | ||
| fn stake_callback( | ||
| &self, | ||
| caller: &ManagedAddress, | ||
| egld_amount: &BigUint, | ||
| #[call_result] result: ManagedAsyncCallResult<()>, | ||
| ) { | ||
| match result { | ||
| ManagedAsyncCallResult::Ok(()) => { | ||
| self.delegated_value(caller.clone()).set(egld_amount); | ||
| self.egld_token_supply() | ||
| .update(|value| *value += egld_amount) | ||
| } | ||
| _ => sc_panic!("There was an error at delegating"), | ||
| } | ||
| } |
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just a small advice to ease code reading: put every callback after the endpoint that calls it
liquid-staking/src/delegation.rs
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| let current_epoch = self.blockchain().get_block_epoch(); | ||
| let total_egld_deposit = self.delegated_value(caller.clone()).get(); | ||
| let delegation_contract_address = self.delegation_address().get(); | ||
| let undelegate_endpoint = ManagedBuffer::from("unDelegate"); |
|
|
||
| let mut args: ManagedArgBuffer<Self::Api> = ManagedArgBuffer::new(); | ||
| args.push_arg(&egld_amount_to_unstake); | ||
|
|
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I feel like it is way better to make a check here if caller has something to unstake, by checking that the amount to unstake is available in delegated_value
in this way you will not call undelegate if you already know that the caller hasn't enough to unstake
| "tx": { | ||
| "from": "address:owner", | ||
| "contractCode": "mxsc:../output/liquid-staking.mxsc.json", | ||
| "arguments": [], |
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There are no init args at the moment
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
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Contract comparison - from ae4bca4 to 5f25329
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Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Signed-off-by: Andrei Baltariu <andreibaltariu1304@gmail.com>
Liquid staking unit tests setup
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