Comments (2)
I have implemented a token amount of u64 using LEB128 for serializing and deserializing and compared it to the current implementation, which is using the serialization and deserialization of u64.
On testnet I deployed the wCCD example with LEB128 and with u64 for token amount. I then initialized each contract, wrapped 10 CCD, transferred 10 wrapped microCCD, unwrapped 10 microCCD while recording the costs.
Both contracts are build with no-std, embedded schema using:
- cargo-concordium 2.0.1
- Rustc nightly-2021-06-09-x86_64-unknown-linux-gnu
Contract | Module Size | Deploy | Init | wrap 10 | transfer 10 | unwrap 10 |
---|---|---|---|---|---|---|
Fixed u64 | 48759 B | 53796 NRG | 1945 NRG | 1890 NRG | 2156 NRG | 2185 NRG |
LEB amount u64 | 49781 B | 54919 NRG | 1956 NRG | 1903 NRG | 2162 NRG | 2194 NRG |
from concordium-rust-smart-contracts.
From the above results we have concluded to use LEB128 encoding of token amount in CIS2
from concordium-rust-smart-contracts.
Related Issues (20)
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