feat!: use uint64 IDs for Keychains and Spaces #77
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We were using the SHA256 hash of a numeric sequence (truncated to 8 bytes) and encoded as bech32 to generate addresses like
wardenspace1234
andwardenkeyring1234
.This PR simplify and cleans up all of this, to only store the actual numeric sequence on-chain.
The frontends are free to represent these IDs as they like.
Simplifying this code on-chain is best for saving some disk space (uint64 are much smaller than the full bech32 string, this applies to the Keychain and Space entities, but also to all the other transactions that were referring to them such as MsgNewKeyRequest), gas, and as a benefit we also don't have to deal with hash collisions.
BREAKING CHANGE: we're in early stage and I won't migrate the old IDs into the new format. It's just easier to start new chains from scratch.