mint: Babylon inflation module - Githubissues

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mint: Babylon inflation module #211

Closed SebastianElvis closed 2 weeks ago

SebastianElvis commented 3 weeks ago

Resolves https://github.com/babylonlabs-io/pm/issues/92

This PR provides the implementation of the inflation module.

The module shares the same interfaces as x/mint, and serves as a drop-in replacement of Cosmos SDK's x/mint.
The module implements a different inflation function. Currently, it employs Celestia's algorithm where the inflation rate decreases gradually w.r.t. the block timestamp. It contains all necessary dependencies for implementing any inflation function.
The implementation is adapted from Celestia and Cosmos SDK.

Steps for implementation:

[x] copy https://github.com/celestiaorg/celestia-app/tree/main/x/mint to x/mint
[x] fix all dependencies
[x] bump module to Cosmos SDK v0.50
[x] replace Cosmos x/mint with the new x/mint
[x] fix unit tests
[x] fix e2e tests
[x] fix software upgrade e2e
[x] changelog
[x] write ADR
[x] implement the design
[x] properly initialise the new mint module in upgrade handler
[x] fix doc